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* [Bug gdb/19194] New: Typo "functiop" in gdb manpage
@ 2015-10-31 17:56 cooks.go.hungry at gmail dot com
2020-07-15 12:06 ` [Bug gdb/19194] " andrew.burgess at embecosm dot com
0 siblings, 1 reply; 2+ messages in thread
From: cooks.go.hungry at gmail dot com @ 2015-10-31 17:56 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=19194
Bug ID: 19194
Summary: Typo "functiop" in gdb manpage
Product: gdb
Version: unknown
Status: NEW
Severity: minor
Priority: P3
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: cooks.go.hungry at gmail dot com
Target Milestone: ---
I have found a typo in the gdb manpage (which I have checked for in
the latest version of the manpage and it is still there). The typo is
on the line that says "break [file:]functiop", where "functiop" should
be "function".
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>From gdb-prs-return-18725-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 02 16:25:58 2015
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From: "qiyao at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19051] incorrect/missing AAPCS vector support on ARM
Date: Mon, 02 Nov 2015 16:25:00 -0000
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Yao Qi <qiyao at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |qiyao at gcc dot gnu.org
Assignee|unassigned at sourceware dot org |qiyao at gcc dot gnu.org
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>From gdb-prs-return-18726-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 02 18:31:30 2015
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From: "donbreazeal at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/17036] breakpoint reported on wrong line number
Date: Mon, 02 Nov 2015 18:31:00 -0000
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Don Breazeal <donbreazeal at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |donbreazeal at gmail dot com
--- Comment #1 from Don Breazeal <donbreazeal at gmail dot com> ---
Some other manifestations of this issue:
* set a breakpoint on a blank line, then the breakpoint is set on the first
line of the next function (that has line info)
* build a program containing an unused function with '-ffunction-sections
-fdata-sections -Wl,--gc-sections', and set a breakpoint in the unused
function. the breakpoint will be set on the first line of the next function
(that has line info).
You can see this with the program in the attached file unused.tgz:
Reading symbols from ./unused...done.
(gdb) list
6 printf ("unused\n");
7 return;
8 }
9
10 void
11 print_hello (void)
12 {
13 printf ("hello\n");
14 return;
15 }
(gdb) b 6
Breakpoint 1 at 0x4004ce: file unused.c, line 6.
(gdb) r
Starting program: /scratch/dbreazea/sandbox/test/unused/unused
Breakpoint 1, print_hello () at unused.c:13
13 printf ("hello\n");
The same thing happens if you set the breakpoint on line 9, a blank line.
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From: "donbreazeal at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug breakpoints/11886] Problem with shared libraries containing
'longjmp' function
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Don Breazeal <donbreazeal at gmail dot com> changed:
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CC| |donbreazeal at gmail dot com
--- Comment #1 from Don Breazeal <donbreazeal at gmail dot com> ---
Created attachment 8761
--> https://sourceware.org/bugzilla/attachment.cgi?id=8761&action=edit
Test program for GC'd unused function
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>From gdb-prs-return-18728-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 02 18:38:47 2015
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From: "donbreazeal at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/11886] Problem with shared libraries containing
'longjmp' function
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--- Comment #2 from Don Breazeal <donbreazeal at gmail dot com> ---
Comment on attachment 8761
--> https://sourceware.org/bugzilla/attachment.cgi?id=8761
Test program for GC'd unused function
Fumble-fingered attachment to wrong issue, sorry. Unable to delete it myself.
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Subject: [Bug breakpoints/17036] breakpoint reported on wrong line number
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--- Comment #2 from Don Breazeal <donbreazeal at gmail dot com> ---
Created attachment 8762
--> https://sourceware.org/bugzilla/attachment.cgi?id=8762&action=edit
Test program/Makefile for GC'd unused function test
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/19052] While running testsuite on Windows xp, I think
I found failure of printf/sprintf %e format.
Date: Mon, 02 Nov 2015 20:34:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
The failures in question are:
~~~
./test-demangle < ../../../gdb-7.10/libiberty/testsuite/d-demangle-expected
FAIL at line 750, options --format=dlang:
in: _D8demangle23__T4testVfe0FFFFFFP128Zv
out: demangle.test!(3.40282e+038)
exp: demangle.test!(3.40282e+38)
FAIL at line 758, options --format=dlang:
in: _D8demangle19__T4testVfe08PN125Zv
out: demangle.test!(1.17549e-038)
exp: demangle.test!(1.17549e-38)
E:\MINGW-packages\mingw-w64-gdb\src\build-i686-w64-mingw32\libiberty\testsuite\test-demangle.exe:
266 tests, 2 failures
~~~
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From: "fracting at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/19052] While running testsuite on Windows xp, I think
I found failure of printf/sprintf %e format.
Date: Tue, 03 Nov 2015 09:02:00 -0000
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Qian Hong <fracting at gmail dot com> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |fracting at gmail dot com
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--- Comment #2 from Qian Hong <fracting at gmail dot com> ---
Tested with latest git source, confirming fixed by
30379291886a171e6dc202122bc1c583318c2e17
Thanks Pedro and Iain!
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Subject: [Bug testsuite/19053] While running testsuite on Windows xp, I think
I found failures of printf/sprintf %e format.
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https://sourceware.org/bugzilla/show_bug.cgi?id=19053
Qian Hong <fracting at gmail dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Qian Hong <fracting at gmail dot com> ---
Duplicate of bug 19052, which is fixed in latest git source.
*** This bug has been marked as a duplicate of bug 19052 ***
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>From gdb-prs-return-18733-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 03 09:04:14 2015
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Subject: [Bug testsuite/19052] While running testsuite on Windows xp, I think
I found failure of printf/sprintf %e format.
Date: Tue, 03 Nov 2015 09:04:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19052
--- Comment #3 from Qian Hong <fracting at gmail dot com> ---
*** Bug 19053 has been marked as a duplicate of this bug. ***
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>From gdb-prs-return-18734-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 04 14:31:57 2015
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Subject: [Bug tdep/18376] Implement process record and replay for System z
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Marcin Kościelnicki <koriakin at 0x04 dot net> changed:
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--- Comment #2 from Marcin Kościelnicki <koriakin at 0x04 dot net> ---
Merged to master.
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>From gdb-prs-return-18735-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 04 15:28:30 2015
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Subject: [Bug tdep/18376] Implement process record and replay for System z
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Ulrich Weigand <uweigand at gcc dot gnu.org> changed:
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--- Comment #3 from Ulrich Weigand <uweigand at gcc dot gnu.org> ---
Fixed.
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>From gdb-prs-return-18736-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 05 04:02:06 2015
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From: "brooks at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug testsuite/19206] New: The math util test for nans uses
undefined behavor.
Date: Thu, 05 Nov 2015 04:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19206
Bug ID: 19206
Summary: The math util test for nans uses undefined behavor.
Product: gdb
Version: unknown
Status: NEW
Severity: normal
Priority: P2
Component: testsuite
Assignee: unassigned at sourceware dot org
Reporter: brooks at gcc dot gnu.org
Target Milestone: ---
Copying this out of an internal Google bug that's been mouldering untouched in
our tracker for a while, in case it's relevant for someone else:
The math util test for nans uses the following:
nans(T(-(0.0/0.0)), T(1.0/0.0), T(-1.0/0.0)),
and then uses a T of integer. The conversion is undefined behavior and the
actual value shouldn't be depended upon in the test. That the number we'd have
gotten is present in the right location is useful though I'm not quite sure how
I'd test that.
(Google ref. 13416127)
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>From gdb-prs-return-18737-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 05 08:23:17 2015
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Subject: [Bug fortran/19208] New: SIGSEV while opening Fortran program
compiled with ifort
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Bug ID: 19208
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ifort 15.0.3.187
SIGSEV on strlen(name) in set_objfile_main_name, file gdb/objfiles.c, line 198,
because name could be NULL.
My solution would be the following patch:
--- gdb/dwarf2read.c.orig 2015-11-05 09:14:36.413336000 +0100
+++ gdb/dwarf2read.c 2015-11-05 09:17:24.801587000 +0100
@@ -15899,7 +15899,8 @@
compilers pick up the new representation, we'll support this
practice. */
if (DW_UNSND (&attr) == DW_CC_program
- && cu->language == language_fortran)
+ && cu->language == language_fortran
+ && part_die->name != NULL)
set_objfile_main_name (objfile, part_die->name, language_fortran);
break;
case DW_AT_inline:
Another possibility would be of course to check for NULL in
set_objfile_main_name...
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Subject: [Bug remote/13584] fork support in the remote protocol
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Martin Oberhuber <martin.oberhuber at gmx dot at> changed:
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--- Comment #3 from Martin Oberhuber <martin.oberhuber at gmx dot at> ---
This work looks very interesting and very complete. What is the status of this
work, is there a chance it could get into GDB mainline anytime soon ?
Thanks!
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>From gdb-prs-return-18739-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 05 14:45:39 2015
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Subject: [Bug testsuite/19206] The math util test for nans uses undefined
behavor.
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Is this a GDB test?
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>From gdb-prs-return-18740-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 05 14:48:12 2015
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Subject: [Bug remote/13584] fork support in the remote protocol
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
This work has been merged already, and is present in 7.10. In mainline you'll
find support for following execs as well.
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Subject: [Bug server/13796] disp-step-syscall.exp: vfork
Date: Thu, 05 Nov 2015 14:48:00 -0000
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Bug 13796 depends on bug 13584, which changed state.
Bug 13584 Summary: fork support in the remote protocol
https://sourceware.org/bugzilla/show_bug.cgi?id=13584
What |Removed |Added
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Subject: [Bug remote/13584] fork support in the remote protocol
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Pedro Alves <palves at redhat dot com> changed:
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----------------------------------------------------------------------------
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>From gdb-prs-return-18743-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 05 17:35:29 2015
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Subject: [Bug testsuite/19206] The math util test for nans uses undefined
behavor.
Date: Thu, 05 Nov 2015 17:35:00 -0000
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Brooks Moses <brooks at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
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--- Comment #2 from Brooks Moses <brooks at gcc dot gnu.org> ---
It is ... but I should have checked further before posting this. It's a test
for some Google-internal GDB utilities. :(
Sorry for the noise.
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From: "jagadeesh545 at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug remote/19215] New: GDB does not support more than one inferior
for "target remote"
Date: Fri, 06 Nov 2015 05:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19215
Bug ID: 19215
Summary: GDB does not support more than one inferior for
"target remote"
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: remote
Assignee: unassigned at sourceware dot org
Reporter: jagadeesh545 at gmail dot com
Target Milestone: ---
Current version of GDB (7.10) does not allow to have two inferiors with "target
remote" in the same gdb session.
Launching second instance of "target remote" in the same session will result in
request to kill the existing inferiors.
Example Scenario:
targetbash1$gdbserver --attach localhost:2020 pid1
targetbash2$gdbserver --attach localhost:2021 pid2
hostbash1$gdb
(gdb)target remote target-ip:2020
...
(gdb)add-inferior
...
(gdb)inferior 2
(gdb)target remote target-ip:2021
A program is being debugged already. Kill it? (y or n)
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Subject: [Bug remote/19215] GDB does not support more than one inferior for
"target remote"
Date: Fri, 06 Nov 2015 09:46:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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CC| |palves at redhat dot com
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
You currently need to connect with "target extended-remote" instead to be able
to debug multiple remote inferiors.
There's no real good reason for that, mostly it's implementation detail. This
is an endless source of confusion and it's be nice to merge target remote and
target extended-remote. See latest discussion here:
https://sourceware.org/ml/gdb/2015-10/msg00039.html
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From: "jagadeesh545 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug remote/19215] GDB does not support more than one inferior for
"target remote"
Date: Fri, 06 Nov 2015 22:06:00 -0000
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--- Comment #2 from Jagadeesh Madagundi <jagadeesh545 at gmail dot com> ---
I understand your suggestion. However, my test scenario is different and below
description might help in explaining this clearly.
I am not trying to run multiple processes sequentially - running processes one
after the other in the same inferior. "target extended-remote" and "--multi"
option for gdbserver, will be able to get this job done.
Instead I am trying to run multiple processes concurrently in different
inferiors of a single gdb session. My test case expects gdb to allow executing
two inferiors simultaneously, each running "target remote" with different
target. After your suggestion I tried this test with "target extended-remote"
and it failed too.
Below is the original test case with additional description.
TARGET SYSTEM:
# First instance of gdbserver is attached to pid1 and is waiting for host to
connect
targetbash1$gdbserver --attach localhost:2020 pid1
# Second instance of gdbserver is attached to pid2 and is waiting for host to
connect
targetbash2$gdbserver --attach localhost:2021 pid2
HOST SYSTEM:
# Launch a gdb session
hostbash1$gdb
# Connect to first instance of gdbserver
(gdb)target remote target-ip:2020
...
# Successful connection
# Add a new inferior
(gdb)add-inferior
...
# Switch to inferior 2
(gdb)inferior 2
# Connect to second instance of gdbserver
(gdb)target remote target-ip:2021
A program is being debugged already. Kill it? (y or n)
# The above message tells that two "target remote" inferiors cannot exist
simultaneously in a single gdb session.
After analysis I found that the function "target_preopen()", called from
remote.c and defined in target.c, is causing this problem.
Hope this will provide better understanding of the problem and help in solving
it faster.
(In reply to Pedro Alves from comment #1)
> You currently need to connect with "target extended-remote" instead to be
> able to debug multiple remote inferiors.
>
> There's no real good reason for that, mostly it's implementation detail.
> This is an endless source of confusion and it's be nice to merge target
> remote and target extended-remote. See latest discussion here:
>
> https://sourceware.org/ml/gdb/2015-10/msg00039.html
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug remote/19215] GDB does not support more than one inferior for
"target remote"
Date: Fri, 06 Nov 2015 22:46:00 -0000
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
What you're asking for is being able to attach to multiple remote targets at
the same time, which you can't do currently (see
https://sourceware.org/gdb/wiki/MultiTarget).
What I was saying is that "target extended-remote" does allow debugging more
than one inferior simultaneously. You just have to use a single gdbserver
instance for that. Something like:
on target:
target$ gdbserver --multi :2020
on host:
$ gdb -ex "target extended-remote target-ip:2020"
...
(gdb) attach 26364
...
(gdb) add-inferior
...
(gdb) inferior 2
Added inferior 2
(gdb) attach 26369
...
(gdb) info inferiors
Num Description Executable
* 2 process 26369 prog2
1 process 26364 prog1
(gdb)
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Subject: [Bug gdb/17133] gdb can't load libraries with >2G .debug_info
sections
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--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=314dee8ea9be79a450d9f0b451619b67ebe0e017
commit 314dee8ea9be79a450d9f0b451619b67ebe0e017
Author: Alan Modra <amodra@gmail.com>
Date: Mon Nov 9 15:12:45 2015 +1030
Copy gnulib obstack files
This copies obstack.[ch] from gnulib, and updates the docs. The next
patch should be applied if someone repeats the import at a later date.
include/
PR gdb/17133
* obstack.h: Import current gnulib file.
libiberty/
PR gdb/17133
* obstack.c: Import current gnulib file.
* obstacks.texi: Updated doc, from glibc's manual/memory.texi.
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Subject: [Bug gdb/17133] gdb can't load libraries with >2G .debug_info
sections
Date: Mon, 09 Nov 2015 04:58:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=17133
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e9f40d7d68ecc03c8c32ec0acd07c35359fdb4a3
commit e9f40d7d68ecc03c8c32ec0acd07c35359fdb4a3
Author: Alan Modra <amodra@gmail.com>
Date: Mon Nov 9 15:13:51 2015 +1030
Modify obstack.[hc] to avoid having to include other gnulib files
Using the standard gnulib obstack source requires importing quite a
lot of other files from gnulib, and requires build changes.
include/
PR gdb/17133
* obstack.h (__attribute_pure__): Expand _GL_ATTRIBUTE_PURE.
libiberty/
PR gdb/17133
* obstack.c (__alignof__): Expand alignof_type from alignof.h.
(obstack_exit_failure): Don't use exitfail.h.
(_): Include libintl.h when HAVE_LIBINTL_H and nls enabled.
Provide default. Don't include gettext.h.
(_Noreturn): Define.
* obstacks.texi: Adjust node references to external libc info files.
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Subject: [Bug gdb/17133] gdb can't load libraries with >2G .debug_info
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Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #10 from Alan Modra <amodra at gmail dot com> ---
Finally
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From: "jrmuizel at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/19221] New: Allow setting write watchpoint that
trigger without changes
Date: Mon, 09 Nov 2015 22:41:00 -0000
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Bug ID: 19221
Summary: Allow setting write watchpoint that trigger without
changes
Product: gdb
Version: unknown
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Severity: normal
Priority: P2
Component: breakpoints
Assignee: unassigned at sourceware dot org
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It's very useful, especially when reverse debugging, to be able to set a write
watchpoint that triggers even if the value didn't change.
For example, if an allocated buffer has been zeroed on initialization, it's
still valuable to be able to break on code that writes zero to that area.
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Subject: [Bug gdb/19223] New: h8300-tdep.c:354: bad macro ?
Date: Tue, 10 Nov 2015 08:29:00 -0000
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Bug ID: 19223
Summary: h8300-tdep.c:354: bad macro ?
Product: gdb
Version: HEAD
Status: NEW
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Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
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[src/gdb/h8300-tdep.c:354]: (style) Expression '(X & 0xfff0) == 0x7905' is
always false.
Source code is
else if (IS_MOV_IMM_Rn (op))
and
#define IS_MOV_IMM_Rn(x) (((x) & 0xfff0) == 0x7905)
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From: "kevin.pouget at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19225] New: Function Decorator bug with static inline
Date: Tue, 10 Nov 2015 10:33:00 -0000
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Bug ID: 19225
Summary: Function Decorator bug with static inline
Product: gdb
Version: 7.9
Status: NEW
Severity: normal
Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
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I found a bug with Function Decorator when debugging a GOMP application:
**Minimal Example**
class BugFrame(gdb.frames.FrameDecorator):
pass
class BugFrameFilter:
def __init__(self):
self.enabled = True
self.priority = 1
def filter(self, frames):
for frame in frames:
yield BugFrame(frame)
gdb.frame_filters["Bug frame filter"] = BugFrameFilter()
**Wrong backtrace**
(gdb) break /build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:55
(gdb) where
#0 0x00007ffff7bcab0b in gomp_barrier_wait_end (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:55
#1 0x00007ffff7bcab0b in gomp_barrier_wait_end (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:64
#2 0x00007ffff7bcab0b in gomp_barrier_wait_end (bar=0x6028a0, state=0) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/bar.c:48
#3 0x00007ffff7bc83f8 in gomp_thread_start (xdata=<optimized out>) at
/build/gcc/src/gcc-5.2.0/libgomp/team.c:112
#4 0x00007ffff79a34a4 in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007ffff76e113d in clone () at /usr/lib/libc.so.6
do_wait and do_spin both look like that:
static inline void do_wait (int *addr, int val)
{
if (do_spin (addr, val))
futex_wait (addr, val);
}
**Expected backtrace**
(gdb) where n
#0 do_spin (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:55
#1 do_wait (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:64
#2 gomp_barrier_wait_end (bar=0x6028a0, state=0) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/bar.c:48
#3 0x00007ffff7bc83f8 in gomp_thread_start (xdata=<optimized out>) at
/build/gcc/src/gcc-5.2.0/libgomp/team.c:112
#4 0x00007ffff79a34a4 in start_thread () from /usr/lib/libpthread.so.0
#5 0x00007ffff76e113d in clone () from /usr/lib/libc.so.6
**Quick fix** (for information)
class BugFixFrame(gdb.frames.FrameDecorator):
def function(self):
return self.inferior_frame().name()
class BugFixFrameFilter:
def __init__(self):
self.enabled = True
self.priority = 99999
def filter(self, frames):
for frame in frames:
yield BugFixFrame(frame)
gdb.frame_filters["Bug fix frame filter"] = BugFixFrameFilter()
now correct result:
where
#0 0x00007ffff7bcab0b in do_spin (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:55
#1 0x00007ffff7bcab0b in do_wait (val=0, addr=0x6028a4) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/wait.h:64
#2 0x00007ffff7bcab0b in gomp_barrier_wait_end (bar=0x6028a0, state=0) at
/build/gcc/src/gcc-5.2.0/libgomp/config/linux/bar.c:48
#3 0x00007ffff7bc83f8 in gomp_thread_start (xdata=<optimized out>) at
/build/gcc/src/gcc-5.2.0/libgomp/team.c:112
#4 0x00007ffff79a34a4 in start_thread () at /usr/lib/libpthread.so.0
#5 0x00007ffff76e113d in clone () at /usr/lib/libc.so.6
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From: "andrew_terekhov at yahoo dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19227] New: Pretty-printer fails on std::map if compiled
with C++11
Date: Tue, 10 Nov 2015 19:00:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19227
Bug ID: 19227
Summary: Pretty-printer fails on std::map if compiled with
C++11
Product: gdb
Version: 7.8
Status: NEW
Severity: normal
Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
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I found a problem with gdb 7.8.2-38 if C++ code is compiled with
-std=c++11. When I try to print contents of non-empty std::map I get the
following error:
(gdb) p m1
$2 = std::__debug::map with 1 elementsPython Exception <class 'gdb.error'>
There is no member or method named _M_value_field.:
If I recompile without -std=c++11 then pretty-printers work correctly.
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To: gdb-prs@sourceware.org
Subject: [Bug gdb/19229] New: Crash/internal error on target remote:
decode_frame_entry_1: Assertion `fde->cie != NULL' failed.
Date: Wed, 11 Nov 2015 00:03:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19229
Bug ID: 19229
Summary: Crash/internal error on target remote:
decode_frame_entry_1: Assertion `fde->cie != NULL'
failed.
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: dev@michael-fiedler.net
Target Milestone: ---
Created attachment 8775
--> https://sourceware.org/bugzilla/attachment.cgi?id=8775&action=edit
test case
I am doing some operating system development using QEMU and GDB for
testing/debugging and some of my code triggers the following internal GDB
error.
Steps to reproduce:
1. Build the attached test case by running ./build.sh or:
gcc -g -ffreestanding -m64 -nostdlib -lgcc -T test.ld main.c -o test.elf
2. Start a QEMU GDB stub, listening on port 1234 on localhost:
qemu-system-x86_64 -nographic -s
3. Start GDB using the generated ELF file:
gdb test.elf
4. Attach GDB to QEMU:
target remote localhost:1234
5. GDB crashes with message
dwarf2-frame.c:2104: internal-error: decode_frame_entry_1: Assertion
`fde->cie != NULL' failed.
Affected versions:
current master HEAD 6e7675a70f5a375159f94354fb6f38519303a73d
7.7.1 from Ubuntu 14.04 (earliest version tested)
Environment:
Ubuntu Linux 14.04 x86_64
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>From gdb-prs-return-18756-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 11 10:48:49 2015
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Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
Date: Wed, 11 Nov 2015 10:48:00 -0000
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Yao Qi <qiyao at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Component|gdb |tdep
--- Comment #1 from Yao Qi <qiyao at gcc dot gnu.org> ---
Change the component to tdep.
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>From gdb-prs-return-18757-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 11 10:55:21 2015
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Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
Date: Wed, 11 Nov 2015 10:55:00 -0000
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--- Comment #2 from Yao Qi <qiyao at gcc dot gnu.org> ---
Patches are posted here
https://sourceware.org/ml/gdb-patches/2015-11/msg00268.html
It would be nice to test them on bare-metal target.
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>From gdb-prs-return-18758-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 11 15:40:26 2015
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Subject: [Bug gdb/19231] New: Heap corruption when reading some COFF files
Date: Wed, 11 Nov 2015 15:40:00 -0000
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Bug ID: 19231
Summary: Heap corruption when reading some COFF files
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: felix.von.s at posteo dot de
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I kept getting assertion failures in malloc() when trying open a DJGPP
executable in GDB. After some struggling (bug #18948, among other issues), I
managed to compile gdb with AddressSanitizer to investigate. Here's what it
found:
$ ./gdb a.exe
[...]
This GDB was configured as "--host=x86_64-unknown-linux-gnu
--target=i686-pc-msdosdjgpp".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from
a.exe...=================================================================
==31488==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x602000016220 at pc 0x000000691a9c bp 0x7ffd905a31d0 sp 0x7ffd905a31c0
WRITE of size 4 at 0x602000016220 thread T0
#0 0x691a9b in push_context ../../src/gdb-7.10/gdb/buildsym.c:1636
#1 0x6bc14f in coff_symtab_read ../../src/gdb-7.10/gdb/coffread.c:1085
#2 0x6bd2b3 in coff_symfile_read ../../src/gdb-7.10/gdb/coffread.c:656
#3 0x5cf6e4 in read_symbols ../../src/gdb-7.10/gdb/symfile.c:875
#4 0x5cfccd in syms_from_objfile_1 ../../src/gdb-7.10/gdb/symfile.c:1078
#5 0x5cfcf5 in syms_from_objfile ../../src/gdb-7.10/gdb/symfile.c:1094
#6 0x5cf44b in symbol_file_add_with_addrs
../../src/gdb-7.10/gdb/symfile.c:1191
#7 0x5cfd08 in symbol_file_add_from_bfd
../../src/gdb-7.10/gdb/symfile.c:1280
#8 0x5cfd54 in symbol_file_add ../../src/gdb-7.10/gdb/symfile.c:1295
#9 0x5cfdd5 in symbol_file_add_main_1 ../../src/gdb-7.10/gdb/symfile.c:1320
#10 0x5cfdf7 in symbol_file_add_main ../../src/gdb-7.10/gdb/symfile.c:1311
#11 0x61f6b6 in catch_command_errors_const
../../src/gdb-7.10/gdb/main.c:395
#12 0x6210c9 in captured_main ../../src/gdb-7.10/gdb/main.c:1053
#13 0x619938 in catch_errors ../../src/gdb-7.10/gdb/exceptions.c:240
#14 0x6215ed in gdb_main ../../src/gdb-7.10/gdb/main.c:1165
#15 0x40902f in main ../../src/gdb-7.10/gdb/gdb.c:32
#16 0x7ffb9dcec60f in __libc_start_main (/usr/lib/libc.so.6+0x2060f)
#17 0x408ec8 in _start ([...]/gdb+0x408ec8)
[...]
I've looked into push_context() and noticed an ordinary stack implemented on
top of a dynamic array. When the stack fills up, the array doubles in size.
However, doubling the size doesn't seem to be enough for the data to fit.
Tripling doesn't help. I'm not even sure multiplying by infinity can cut it.
Seriously, though. Someone forgot to call buildsym_init() somewhere (which
would set context_stack_size to a non-zero value). I have no idea where it
should be, though.
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>From gdb-prs-return-18759-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 11 16:22:23 2015
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From: "sandra at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
Date: Wed, 11 Nov 2015 16:22:00 -0000
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--- Comment #3 from sandra at codesourcery dot com ---
I tried out the patches on our local source tree (since that's what I've got
already set up for testing at the moment) and quickly ran the gnu_vector.exp
tests. They are passing on both hardware and QEMU targets now.
Thanks for working on this!
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Subject: [Bug fortran/19208] SIGSEV while opening Fortran program compiled
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----------------------------------------------------------------------------
CC| |tromey at redhat dot com
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Subject: [Bug fortran/19208] SIGSEV while opening Fortran program compiled
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--- Comment #1 from Jonas Hahnfeld <hahnjo at hahnjo dot de> ---
>From the ChangeLog, this seems to have been introduced by git commit
3d548a532dd74f9bf5f2033541f0b504d96baf04: set_main_name has checked for NULL,
set_objfile_main_name does not...
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Subject: [Bug record/19187] running with process record over a fork causes
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CC| |qiyao at gcc dot gnu.org
--- Comment #1 from Yao Qi <qiyao at gcc dot gnu.org> ---
The fail appears on arm and aarch64 too.
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From: "avi@cloudius-systems.com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/14441] Need to support DW_TAG_rvalue_reference_type
Date: Fri, 13 Nov 2015 14:15:00 -0000
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Avi Kivity <avi@cloudius-systems.com> changed:
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Subject: [Bug symtab/14441] Need to support DW_TAG_rvalue_reference_type
Date: Fri, 13 Nov 2015 14:16:00 -0000
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--- Comment #8 from Avi Kivity <avi@cloudius-systems.com> ---
It is becoming more and more difficult to debug modern C++ programs due to this
bug.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
Date: Fri, 13 Nov 2015 15:13:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Yao Qi <qiyao@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c4312b1985f4f3c567546f82e7f26f9b8e914b6f
commit c4312b1985f4f3c567546f82e7f26f9b8e914b6f
Author: Yao Qi <yao.qi@linaro.org>
Date: Fri Nov 13 15:11:58 2015 +0000
PR 19051: support of inferior call with gnu vector support on ARM
This patch teaches GDB to support gnu vector in inferior calls. As a
result, fails in gdb.base/gnu_vector.exp are fixed. The calling
convention of gnu vector isn't documented in the AAPCS, because it
is the GCC extension. I checked the gcc/config/arm/arm.c, understand
how GCC pass arguments and return values, and do the same in GDB side.
The patch is tested with both hard float and soft float on arm-linux.
gdb:
2015-11-13 Yao Qi <yao.qi@linaro.org>
PR tdep/19051
* arm-tdep.c (arm_type_align): Return the right alignment
value for vector.
(arm_vfp_cprc_sub_candidate): Return true for 64-bit and
128-bit vector types.
(arm_return_in_memory): Handel vector type.
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From: "sandra at codesourcery dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19245] New: fix misparsing in remote_parse_stop_reply
Date: Fri, 13 Nov 2015 23:25:00 -0000
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Bug ID: 19245
Summary: fix misparsing in remote_parse_stop_reply
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: sandra at codesourcery dot com
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This bug was originally reported here:
https://sourceware.org/ml/gdb-patches/2015-08/msg00413.html
and has already been fixed by commit 26d56a939e9e54e09d46ea6e9678463ac344fa33.
Quoting from the original patch mail:
While trying to do some testing on one of our ARM boards via a debug probe and
stub that speaks RSP, I was mystified by getting this error:
(gdb) target remote ...
(gdb) break main
(gdb) load
(gdb) c
Cannot detach breakpoints of inferior_ptid
Eventually I realized that this wasn't just a badly-worded message; GDB was
somehow mis-interpreting the stop reply 'T05f:f0021000;' as
TARGET_WAITKIND_FORKED, and wandering off into code that it shouldn't have been
executing in the first place. (On ARM, register 0xf is the PC, BTW, and this
particular stub works fine with a GDB from last year.)
Tracking it down further to remote_parse_stop_reply, the trouble is that the
test
else if (strncmp (p, "fork", p1 - p) == 0)
is matching here; p1 points to the colon so it is matching exactly one
character, the initial 'f'. While "fork" is new-ish, all the stop reason
keywords use similar matching logic.
I don't see anything in the RSP documentation to indicate that the special stop
reason keywords in a 'T' reply can be abbreviated, so I suspect this is just a
think-o in the code, and it should be testing for an exact match of the keyword
instead.
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Subject: [Bug gdb/19245] fix misparsing in remote_parse_stop_reply
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sandra at codesourcery dot com changed:
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--- Comment #1 from sandra at codesourcery dot com ---
Bug has already been fixed on trunk.
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Subject: [Bug gdb/19245] fix misparsing in remote_parse_stop_reply
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Joel Brobecker <brobecker at gnat dot com> changed:
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--- Comment #2 from Joel Brobecker <brobecker at gnat dot com> ---
And also in GDB 7.10 already. See:
commit e13cbb569965ee3baca2ad4801eeb910c2b2f03f
Author: Sandra Loosemore <sandra@codesourcery.com>
Date: Tue Aug 18 10:37:31 2015 -0700
Fix mis-parsing of hex register numbers in 'T' stop replies
2015-08-18 Sandra Loosemore <sandra@codesourcery.com>
gdb/
* remote.c (strprefix): New.
(remote_parse_stop_reply): Use strprefix instead of strncmp
to ensure exact match of keyword.
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Subject: [Bug remote/13584] fork support in the remote protocol
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martin <ranjan.amit8 at gmail dot com> changed:
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--- Comment #5 from martin <ranjan.amit8 at gmail dot com> ---
Created attachment 8782
--> https://sourceware.org/bugzilla/attachment.cgi?id=8782&action=edit
Testcase
Still I am not able to follow the fork and debug the child
process with gdbserver, while without using gdbserver(running gdb alone) i am
easily able to debug the Child Process.
Steps to reproduce:
$ ./gdbserver :12345 final-fork &
Process final-fork created; pid = 13460
Listening on port 12345
$ ./gdb final-fork
GNU gdb (GDB) 7.10.50.20151115-cvs
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This GDB was configured as "x86_64-pc-linux-gnu".
Reading symbols from final-fork...done.
[?1034h(gdb) target remote :12345
Remote debugging using :12345
Reading /lib64/ld-linux-x86-64.so.2 from remote target...
Reading /lib64/ld-linux-x86-64.so.2 from remote target...
Reading symbols from target:/lib64/ld-linux-x86-64.so.2...Reading
/lib64/ld-2.18.so.debug from remote target...
Reading /lib64/.debug/ld-2.18.so.debug from remote target...
(no debugging symbols found)...done.
0x0000003b1f6011f0 in _start () from target:/lib64/ld-linux-x86-64.so.2
(gdb) b main
Breakpoint 1 at 0x4006a8: file final-fork.c, line 13.
(gdb) c
Continuing.
Reading /lib64/libc.so.6 from remote target...
Reading /lib64/libc-2.18.so.debug from remote target...
Reading /lib64/.debug/libc-2.18.so.debug from remote target...
Breakpoint 1, main () at final-fork.c:13
13 pid = fork();
(gdb) set follow-fork-mode child
(gdb) b ChildProcess
Breakpoint 2 at 0x40072c: file final-fork.c, line 35.
(gdb) c
Continuing.
pid of process :13468
pid of process :0
Parent Process invoking
Invoking Child Process
This line is from parent, value = 1
This line is from parent, value = 2
This line is from parent, value = 3
This line is from parent, value = 4
This line is from parent, value = 5
This line is from parent, value = 6
This line is from parent, value = 7
This line is from parent, value = 8
This line is from parent, value = 9
This line is from parent, value = 10
This line is from parent, value = 11
This line is from parent, value = 12
This line is from parent, value = 13
This line is from parent, value = 14
This line is from parent, value = 15
This line is from parent, value = 16
This line is from parent, value = 17
This line is from parent, value = 18
This line is from parent, value = 19
This line is from parent, value = 20
*** Parent is done ***
Child exited with status 23
GDBserver exiting
[Inferior 1 (process 13460) exited with code 027]
[8]+ Stopped ./gdb final-fork
NOTE:- Here I am not able to debug Child Process. Update me if I am doing
anything wrong. Also Find the attached test-case.
However When I run gdb alone I am getting the expected output as below:
$ ./gdb final-fork
GNU gdb (GDB) 7.10.50.20151115-cvs
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This GDB was configured as "x86_64-pc-linux-gnu".
Reading symbols from final-fork...done.
[?1034h(gdb) b main
Breakpoint 1 at 0x4006a8: file final-fork.c, line 13.
(gdb) r
Starting program: /home/kpit/ran44/35-JIRA/gdb/i-gdb/bin/final-fork
Breakpoint 1, main () at final-fork.c:13
13 pid = fork();
(gdb) set follow-fork-mode child
(gdb) b ChildProcess
Breakpoint 2 at 0x40072c: file final-fork.c, line 35.
(gdb) c
Continuing.
[New process 13519]
[Switching to process 13519]
Breakpoint 2, ChildProcess () at final-fork.c:35
35 asm("nop");
(gdb) c
Continuing.
pid of process :0
Invoking Child Process
This line is from child, value = 1
This line is from child, value = 2
This line is from child, value = 3
This line is from child, value = 4
This line is from child, value = 5
This line is from child, value = 6
This line is from child, value = 7
This line is from child, value = 8
This line is from child, value = 9
This line is from child, value = 10
This line is from child, value = 11
This line is from child, value = 12
This line is from child, value = 13
This line is from child, value = 14
This line is from child, value = 15
This line is from child, value = 16
This line is from child, value = 17
This line is from child, value = 18
This line is from child, value = 19
This line is from child, value = 20
*** Child process is done ***
[Inferior 2 (process 13519) exited with code 041]
(gdb) pid of process :13519
Parent Process invoking
This line is from parent, value = 1
This line is from parent, value = 2
This line is from parent, value = 3
This line is from parent, value = 4
This line is from parent, value = 5
This line is from parent, value = 6
This line is from parent, value = 7
This line is from parent, value = 8
This line is from parent, value = 9
This line is from parent, value = 10
This line is from parent, value = 11
This line is from parent, value = 12
This line is from parent, value = 13
This line is from parent, value = 14
This line is from parent, value = 15
This line is from parent, value = 16
This line is from parent, value = 17
This line is from parent, value = 18
This line is from parent, value = 19
This line is from parent, value = 20
*** Parent is done ***
(gdb) q
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To: gdb-prs@sourceware.org
Subject: [Bug remote/13584] fork support in the remote protocol
Date: Mon, 16 Nov 2015 08:27:00 -0000
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--- Comment #6 from Martin Oberhuber <martin.oberhuber at gmx dot at> ---
Just an idea, you might need gdbserver --multi such that the host GDB can
attach to the forked child ?
IMHO, if that is the case, there should be better error reporting eg the "set
follow-fork-mode child" should report that the gdbserver hasn't been started
with --multi.
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Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
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--- Comment #5 from Yao Qi <qiyao at gcc dot gnu.org> ---
Close.
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>From gdb-prs-return-18772-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 16 15:18:34 2015
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From: "simon.marchi at ericsson dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19250] New: When enabling build-with-cxx, ptrace args type
are not detected properly
Date: Mon, 16 Nov 2015 15:18:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19250
Bug ID: 19250
Summary: When enabling build-with-cxx, ptrace args type are not
detected properly
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: simon.marchi at ericsson dot com
Target Milestone: ---
The strategy used right now to detect ptrace argument types is to try to
re-declare the ptrace function with various argument combinations until it
works. This relies on the fact that a function can't be re-declared with
different arguments in C.
For example, ptrace is declared like this in OpenBSD:
int ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
When the configure test tries to re-declare it as, let's say,
int ptrace(long, int, int, int);
the compilation fails and it knows that this isn't the right combination of
arguments. When building with --enable-build-with-cxx, that test is done with
the c++ compiler (see 54019719152ab269fb4cec2c6a8a245ba6af6e49). This strategy
simply doesn't work in C++, since it's valid to re-declare a function with
different parameters (because overloading is allowed). So the first arguments
combination is always considered the right one and is used. The build fails
later when ptrace is actually used.
Here are some possible ideas for a solution.
- We only need to use C++ for the first part of the test, to properly detect if
the first argument is an enum or not. We could revert to C for the second part
of the test.
- Instead of just re-declaring the function, try to compile a call to it with
casts to the types to try:
ptrace((long) 0, (int) 0, (int) 0, (int) 0)
However, it might not work because of implicit silent conversion between int
types.
- Use extern "C" to re-declare ptrace. It wasn't obvious to try, because the
AC_TRY_COMPILE autoconf macro inserts the code in the body of main, and it
doesn't seem valid to use extern "C" in that scope. The declaration should be
moved outside, to the global scope. That would require using another (probably
lower level) autoconf macro.
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Subject: [Bug gdb/19250] When enabling build-with-cxx, ptrace args type are
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Simon Marchi <simon.marchi at ericsson dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com,
| |simon.marchi at ericsson dot com
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Subject: [Bug gdb/19250] When enabling build-with-cxx, ptrace args type are
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
The first argument of AC_TRY_COMPILE provides access to the global scope.
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug remote/13584] fork support in the remote protocol
Date: Mon, 16 Nov 2015 19:27:00 -0000
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--- Comment #7 from Pedro Alves <palves at redhat dot com> ---
Close. You need to connect with "target extended-remote" instead of "target
remote". I just saw that Don recently posted patches to make this work with
"target remote" too though:
https://sourceware.org/ml/gdb-patches/2015-11/msg00209.html
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From: "simon.marchi at ericsson dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19250] When enabling build-with-cxx, ptrace args type are
not detected properly
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--- Comment #2 from Simon Marchi <simon.marchi at ericsson dot com> ---
Ah, right. It's called "includes", which is why I dismissed it, but we can
still use it for other purposes.
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/19250] When enabling build-with-cxx, ptrace args type are
not detected properly
Date: Mon, 16 Nov 2015 19:29:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19250
--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
TBH, I prefer the extern "C" approach.
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>From gdb-prs-return-18778-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 18 04:05:39 2015
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Subject: [Bug backtrace/19258] New: Gdb is not agree with big-endian and
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Bug ID: 19258
Summary: Gdb is not agree with big-endian and little-endian
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Product: gdb
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>From gdb-prs-return-18779-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 18 04:07:00 2015
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Subject: [Bug backtrace/19259] New: Gdb is not agree with big-endian and
little-endian when it explained signal stack.
Date: Wed, 18 Nov 2015 04:06:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19259
Bug ID: 19259
Summary: Gdb is not agree with big-endian and little-endian
when it explained signal stack.
Product: gdb
Version: 7.6
Status: NEW
Severity: normal
Priority: P2
Component: backtrace
Assignee: unassigned at sourceware dot org
Reporter: liujingyan1 at huawei dot com
Target Milestone: ---
Created attachment 8791
--> https://sourceware.org/bugzilla/attachment.cgi?id=8791&action=edit
code and result
1.How to reproduce?
a. register a signal handler in the main fucniton,if there is a segment
fault occurs, will generate a coredump;
b. forced to make a segment fault, please checek the code from the
attachment "code and result";
The result:
(1). little-endian:
please checek the "little-endian result" from the attachment "code and
result";
(2). big-endian:
please checek the "big-endian result" from the attachment "code and
result";
Could you please kindly it is one issue? I wait for your replying.
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>From gdb-prs-return-18780-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 18 15:16:17 2015
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Subject: [Bug gdb/17034] add way to remove user-defined command
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>From gdb-prs-return-18781-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 18 17:36:33 2015
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Subject: [Bug backtrace/19258] Gdb is not agree with big-endian and
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Date: Wed, 18 Nov 2015 17:36:00 -0000
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
.
*** This bug has been marked as a duplicate of bug 19259 ***
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>From gdb-prs-return-18782-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 18 17:36:34 2015
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Subject: [Bug backtrace/19259] Gdb is not agree with big-endian and
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--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
*** Bug 19258 has been marked as a duplicate of this bug. ***
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>From gdb-prs-return-18784-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 19 16:28:58 2015
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Subject: [Bug backtrace/19259] Gdb is not agree with big-endian and
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>From gdb-prs-return-18783-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 19 16:28:39 2015
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Subject: [Bug backtrace/19259] Gdb is not agree with big-endian and
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--- Comment #2 from Yao Qi <qiyao at gcc dot gnu.org> ---
Did you try recent GDB release (7.10)? I suspect this bug was fixed by
https://sourceware.org/ml/gdb-patches/2014-10/msg00715.html
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>From gdb-prs-return-18785-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 19 17:48:48 2015
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Subject: [Bug tdep/19268] New: reverse debugging on ARM doesn't support
uxtb/sxth/etc
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Bug ID: 19268
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Reporter: sandra at codesourcery dot com
Target Milestone: ---
Running the gdb.reverse tests on armv7-a multilibs, I am seeing a lot of
failures like:
Process record does not support instruction xe6ef3073 at address 0x10770.
or
Process record does not support instruction xe6bf3073 at address 0x10748.
on different test cases. These instructions are UXTB and SXTH, respectively.
I don't see any code to handle these (or similar instructions, like UXTH) in
arm-tdep.c.
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>From gdb-prs-return-18786-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 19 19:34:30 2015
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From: "dev@michael-fiedler.net" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19229] Crash/internal error on target remote:
decode_frame_entry_1: Assertion `fde->cie != NULL' failed.
Date: Thu, 19 Nov 2015 19:34:00 -0000
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Michael Fiedler <dev@michael-fiedler.net> changed:
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----------------------------------------------------------------------------
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Resolution|--- |INVALID
--- Comment #1 from Michael Fiedler <dev@michael-fiedler.net> ---
Further investigation on this issue revealed that this internal error can be
compiler-related [1, 2], which seems to be the case also here.
[1] http://comments.gmane.org/gmane.comp.gdb.devel/13283
[2] https://bugzilla.redhat.com/show_bug.cgi?id=588224#c2
I obtained the GCC source from Ubuntu (via "apt-get source gcc-4.8"), built GCC
using default configuration settings and it now works as expected. (However, I
do not know exactly which configuration switch causes the issue with Ubuntu's
GCC.)
Version information for Ubuntu 14.04's gcc:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu
4.8.4-2ubuntu1~14.04' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.8 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap
--enable-plugin --with-system-zlib --disable-browser-plugin
--enable-java-awt=gtk --enable-gtk-cairo
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar
--enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686
--with-abi=m64 --with-multilib-list=m32,m64,mx32 --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04)
Version information for the working, self-built GCC:
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/net/faui49bello5/srv/scratch/simified/gcc-4.8-4.8.4-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.4/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.8.4/configure
--prefix=/srv/scratch/simified/gcc-4.8-4.8.4-install
Thread model: posix
gcc version 4.8.4 (GCC)
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Subject: [Bug guile/19149] --with-guile=auto behaves differently than
--with-guile on freebsd
Date: Thu, 19 Nov 2015 21:13:00 -0000
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dje at google dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dje at google dot com
Summary|Message when guile is |--with-guile=auto behaves
|required but not available |differently than
|is not clear |--with-guile on freebsd
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>From gdb-prs-return-18788-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 19 21:16:10 2015
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Subject: [Bug guile/19149] --with-guile=auto behaves differently than
--with-guile on freebsd
Date: Thu, 19 Nov 2015 21:16:00 -0000
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--- Comment #11 from dje at google dot com ---
The difference in the top level makefile is expected.
If there is no difference in gdb/config.h and gdb/Makefile then it's hard to
see what the bug could be.
Unless someone on freebsd can repro this and propose a fix, I think this bug
will have to just sit.
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From: "smallayy at in dot ibm.com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19271] New: mmap support for gdb
Date: Fri, 20 Nov 2015 10:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19271
Bug ID: 19271
Summary: mmap support for gdb
Product: gdb
Version: 7.10
Status: NEW
Severity: enhancement
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: smallayy at in dot ibm.com
Target Milestone: ---
Created attachment 8798
--> https://sourceware.org/bugzilla/attachment.cgi?id=8798&action=edit
patch for mmap in gdb
When accessing the memory region set up by the mmap() call in the process that
crashed will result in an out-of-bounds error inside a gdb.
The actual contiguous memory contents are located within the core file in a
different segment.
Use of this new 'mmapfile' command to re-map the memory contents to the
specific address in memory where they were located when the process was
running.
This ensures that dereferencing pointers while examining the core file returns
the correct memory contents.
Attached document covers the testing with new mmap command and the patch for
mmap implementation.
I have tested this implementation in AIX for xcoff object & in X86 for
elf64-x86-64.
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Subject: [Bug gdb/19271] mmap support for gdb
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--- Comment #1 from sangamesh <smallayy at in dot ibm.com> ---
Created attachment 8799
--> https://sourceware.org/bugzilla/attachment.cgi?id=8799&action=edit
gdb mmap testing
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From: "faure at kde dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug breakpoints/17134] Can't step in static app after attaching to
running process
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David Faure <faure at kde dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |faure at kde dot org
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19274] New: ptype can't find type in libxul.so
Date: Fri, 20 Nov 2015 16:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19274
Bug ID: 19274
Summary: ptype can't find type in libxul.so
Product: gdb
Version: unknown
Status: NEW
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Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
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I am trying to inspect a certain type in libxul.so.
I'm using a gdb based off of today's git master.
A simple attempt fails like this:
(gdb) ptype mozilla::net::HttpChannelChild
No type "net" within class or namespace "mozilla".
However, that type really does exist:
(gdb) info types mozilla::net::HttpChannelChild
All types matching regular expression "mozilla::net::HttpChannelChild":
[...]
File ../../../dist/include/mozilla/net/HttpChannelChild.h:
mozilla::net::HttpChannelChild;
Trying with a leading "::" gives an error:
(gdb) ptype ::mozilla::net::HttpChannelChild
A syntax error in expression, near `mozilla::net::HttpChannelChild'.
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Subject: [Bug gdb/18702] FPU registers with exponent values exceeding those
of float64 are shown as 0 or inf
Date: Fri, 20 Nov 2015 20:37:00 -0000
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Ruslan <b7.10110111 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #8493|0 |1
is obsolete| |
--- Comment #4 from Ruslan <b7.10110111 at gmail dot com> ---
Created attachment 8801
--> https://sourceware.org/bugzilla/attachment.cgi?id=8801&action=edit
Proposed fix
Here's a fixed version of the proposed fix, which is a diff against the correct
file (original one had extraneous ".old" suffix).
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Subject: [Bug tdep/19279] New: x86: sizeof($cs) and other segment registers
returns 4 instead of 2
Date: Sat, 21 Nov 2015 10:20:00 -0000
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Bug ID: 19279
Summary: x86: sizeof($cs) and other segment registers returns 4
instead of 2
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: tdep
Assignee: unassigned at sourceware dot org
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To reproduce, just run
gdb -q -ex 'p sizeof($cs)' -ex 'q'
and see the result being "$1 = 4" instead of expected "$1 = 2", which you'd get
if you replaced "cs" with e.g. "ax" (also a 16-bit register).
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Subject: [Bug sim/13834] sim/ppc/Makefile relies on GNU Make specific $<
handling
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|sim/ppc/Makefile uses GNU |sim/ppc/Makefile relies on
|Make specific features |GNU Make specific $<
| |handling
--- Comment #1 from Mike Frysinger <vapier at gentoo dot org> ---
the issue wrt LIBS and the psim deps was already reported in bug 12202 (and is
fixed in the current tree)
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Subject: [Bug sim/19273] sim/common/sim-utils.c:336: missing call to va_end ?
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Mike Frysinger <vapier at gentoo dot org> changed:
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----------------------------------------------------------------------------
CC| |vapier at gentoo dot org
Component|binutils |sim
Version|unspecified |HEAD
Product|binutils |gdb
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Subject: [Bug sim/13834] sim/ppc/Makefile relies on GNU Make specific $<
handling
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Michael Frysinger
<vapier@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7c125e3b10ac6f9222d24c76cdf31a5a9ec8dae0
commit 7c125e3b10ac6f9222d24c76cdf31a5a9ec8dae0
Author: Mike Frysinger <vapier@gentoo.org>
Date: Sat Nov 21 22:56:04 2015 -0800
sim: ppc: avoid use of $< in ordinary rules [PR sim/13834]
POSIX does not define $< behavior in ordinary rules, so avoid its use
to fix building on non-GNU make setups.
Reported-by: Christopher January <chris.january@allinea.com>
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Mike Frysinger <vapier at gentoo dot org> changed:
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----------------------------------------------------------------------------
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--- Comment #3 from Mike Frysinger <vapier at gentoo dot org> ---
fixed by aformentioned commit
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Subject: [Bug sim/19273] sim/common/sim-utils.c:336: missing call to va_end ?
Date: Sun, 22 Nov 2015 07:20:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Michael Frysinger
<vapier@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2561d5808a330240a28841e8b3ce706a65ed31c9
commit 2561d5808a330240a28841e8b3ce706a65ed31c9
Author: Mike Frysinger <vapier@gentoo.org>
Date: Sat Nov 21 23:10:04 2015 -0800
sim: sim_do_commandf: fix call to va_end [PR sim/19273]
Make sure we call va_end even in the error case.
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Subject: [Bug sim/19273] sim/common/sim-utils.c:336: missing call to va_end ?
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----------------------------------------------------------------------------
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--- Comment #2 from Mike Frysinger <vapier at gentoo dot org> ---
fixed by the aforementioned commit
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Subject: [Bug sim/18762] ${LDFLAGS} ignored when linking sim's run binary
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--- Comment #2 from Mike Frysinger <vapier at gentoo dot org> ---
fixed by the aforementioned commit
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Subject: [Bug sim/18762] ${LDFLAGS} ignored when linking sim's run binary
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Michael Frysinger
<vapier@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=dc11500a11e5ef1068182886007fccd4d7ad1c70
commit dc11500a11e5ef1068182886007fccd4d7ad1c70
Author: Mike Frysinger <vapier@gentoo.org>
Date: Sat Nov 21 23:22:39 2015 -0800
sim: common: set up CPPFLAGS/CXXFLAGS/LDFLAGS from configure [PR sim/18762]
Make sure we pass down the CPP/CXX/LD flags that configure set up for us
like we already do for C flags.
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Subject: [Bug sim/8400] abort() in h8300 simulator:
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--- Comment #2 from Mike Frysinger <vapier at gentoo dot org> ---
this was fixed in commit dc5c3759e035d47d00088e43ea5871ffe717eb02 to issue a
warning and return 0 instead of calling abort
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=dc5c3759e035d47d00088e43ea5871ffe717eb02
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Subject: [Bug sim/18575] h8300/compile.c:3844: bad if test ?
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Subject: [Bug sim/12722] Lack of support for gdb/mi on Sparc Instruction
Simulator
Date: Sun, 22 Nov 2015 08:14:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=12722
Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=11656
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From: "vapier at gentoo dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug sim/11656] cannot assign MI variables when using simulator
target
Date: Sun, 22 Nov 2015 08:14:00 -0000
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Mike Frysinger <vapier at gentoo dot org> changed:
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| |illa/show_bug.cgi?id=12722
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>From gdb-prs-return-18812-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 17:02:35 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19286] New: crash when requesting "pc" from pending
frame object
Date: Tue, 24 Nov 2015 17:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19286
Bug ID: 19286
Summary: crash when requesting "pc" from pending frame object
Product: gdb
Version: unknown
Status: NEW
Severity: normal
Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
Reporter: tromey at sourceware dot org
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I'm writing an unwinder in Python.
If I try to get the register "pc" from the pending frame object
that is passed to my unwinder, gdb crashes:
../../binutils-gdb/gdb/regcache.c:796: internal-error:
regcache_cooked_read_value: Assertion `regnum <
regcache->descr->nr_cooked_registers' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) [answered Y; input not from terminal]
This is a bug, please report it. For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.
../../binutils-gdb/gdb/regcache.c:796: internal-error:
regcache_cooked_read_value: Assertion `regnum <
regcache->descr->nr_cooked_registers' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) [answered Y; input not from terminal]
I think either this should work, or it should throw a python exception.
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>From gdb-prs-return-18813-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 18:01:36 2015
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From: "tom at swirly dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/18697] Demangler crash
Date: Tue, 24 Nov 2015 18:01:00 -0000
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Tom Ritchford <tom at swirly dot com> changed:
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----------------------------------------------------------------------------
CC| |tom at swirly dot com
--- Comment #2 from Tom Ritchford <tom at swirly dot com> ---
I can reproduce what appears to be a very similar thing with g++ 4.8.5, gdb
7.7.1 through 7.10.recent.
Demonstration code is here:
https://github.com/rec/gdb-segv/blob/master/gdb-segv.cpp
Let me know if this needs to be refiled as a gcc issue!
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug cli/17539] inferiors print in reverse order
Date: Tue, 24 Nov 2015 18:42:00 -0000
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=62147a2265e322c758743edf13a1377fdcb62479
commit 62147a2265e322c758743edf13a1377fdcb62479
Author: Pedro Alves <palves@redhat.com>
Date: Tue Nov 24 18:11:22 2015 +0000
List displays in ascending order
Before:
(gdb) info display
Auto-display expressions now in effect:
Num Enb Expression
3: y 1
2: y 1
1: y 1
After:
(gdb) info display
Auto-display expressions now in effect:
Num Enb Expression
1: y 1
2: y 1
3: y 1
gdb/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* printcmd.c (display_command): Append new display at the end of
the list.
gdb/testsuite/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* gdb.base/display.exp: Expect displays to be sorted in ascending
order. Use multi_line.
* gdb.base/solib-display.exp: Likewise.
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug cli/17539] inferiors print in reverse order
Date: Tue, 24 Nov 2015 18:42:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2f341b6e28e27fadd8160d95337c3aa854bcba3b
commit 2f341b6e28e27fadd8160d95337c3aa854bcba3b
Author: Pedro Alves <palves@redhat.com>
Date: Tue Nov 24 18:11:22 2015 +0000
List checkpoints in ascending order
Before:
(gdb) info checkpoints
3 process 29132 at 0x4008ad, file foo.c, line 81
2 process 29131 at 0x4008ad, file foo.c, line 81
1 process 29130 at 0x4008ad, file foo.c, line 81
* 0 Thread 0x7ffff7fc5740 (LWP 29128) (main process) at 0x4008ad, file
foo.c, line 81
After:
(gdb) info checkpoints
* 0 Thread 0x7ffff7fc5740 (LWP 29128) (main process) at 0x4008ad, file
foo.c, line 81
1 process 29130 at 0x4008ad, file foo.c, line 81
2 process 29131 at 0x4008ad, file foo.c, line 81
3 process 29132 at 0x4008ad, file foo.c, line 81
gdb/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* printcmd.c (display_command): Append new display at the end of
the list.
gdb/testsuite/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* gdb.base/display.exp: Expect displays to be sorted in ascending
order. Use multi_line.
* gdb.base/solib-display.exp: Likewise.
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To: gdb-prs@sourceware.org
Subject: [Bug cli/17539] inferiors print in reverse order
Date: Tue, 24 Nov 2015 18:42:00 -0000
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--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7e0aa6aa9983c745aedc203db0cc360a0ad47cac
commit 7e0aa6aa9983c745aedc203db0cc360a0ad47cac
Author: Pedro Alves <palves@redhat.com>
Date: Tue Nov 24 18:11:21 2015 +0000
List inferiors/threads/pspaces in ascending order
Before:
(gdb) info threads
Id Target Id Frame
3 Thread 0x7ffff77c3700 (LWP 29035) callme () at foo.c:30
2 Thread 0x7ffff7fc4700 (LWP 29034) 0x000000000040087b in
child_function_2 (arg=0x0) at foo.c:60
* 1 Thread 0x7ffff7fc5740 (LWP 29030) 0x0000003b37209237 in
pthread_join (threadid=140737353893632, thread_return=0x0) at pthread_join.c:92
After:
(gdb) info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc5740 (LWP 29030) 0x0000003b37209237 in
pthread_join (threadid=140737353893632, thread_return=0x0) at pthread_join.c:92
2 Thread 0x7ffff7fc4700 (LWP 29034) 0x000000000040087b in
child_function_2 (arg=0x0) at foo.c:60
3 Thread 0x7ffff77c3700 (LWP 29035) callme () at foo.c:30
gdb/doc/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* gdb.texinfo (Inferiors and Programs): Adjust "maint info
program-spaces" example to ascending order listing.
(Threads): Adjust "info threads" example to ascending order
listing.
(Forks): Adjust "info inferiors" example to ascending order
listing.
gdb/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* inferior.c (add_inferior_silent): Append the new inferior to the
end of the list.
* progspace.c (add_program_space): Append the new pspace to the
end of the list.
* thread.c (new_thread): Append the new thread to the end of the
list.
gdb/testsuite/ChangeLog:
2015-11-24 Pedro Alves <palves@redhat.com>
PR 17539
* gdb.base/foll-exec-mode.exp: Adjust to GDB listing inferiors and
threads in ascending order.
* gdb.base/foll-fork.exp: Likewise.
* gdb.base/foll-vfork.exp: Likewise.
* gdb.base/multi-forks.exp: Likewise.
* gdb.mi/mi-nonstop.exp: Likewise.
* gdb.mi/mi-nsintrall.exp: Likewise.
* gdb.multi/base.exp: Likewise.
* gdb.multi/multi-arch.exp: Likewise.
* gdb.python/py-inferior.exp: Likewise.
* gdb.threads/break-while-running.exp: Likewise.
* gdb.threads/execl.exp: Likewise.
* gdb.threads/gcore-thread.exp: Likewise.
* gdb.threads/info-threads-cur-sal.exp: Likewise.
* gdb.threads/kill.exp: Likewise.
* gdb.threads/linux-dp.exp: Likewise.
* gdb.threads/multiple-step-overs.exp: Likewise.
* gdb.threads/next-bp-other-thread.exp: Likewise.
* gdb.threads/step-bg-decr-pc-switch-thread.exp: Likewise.
* gdb.threads/step-over-lands-on-breakpoint.exp: Likewise.
* gdb.threads/step-over-trips-on-watchpoint.exp: Likewise.
* gdb.threads/thread-find.exp: Likewise.
* gdb.threads/tls.exp: Likewise.
* lib/mi-support.exp (mi_reverse_list): Delete.
(mi_check_thread_states): No longer reverse list.
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>From gdb-prs-return-18817-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 18:43:27 2015
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Subject: [Bug cli/17539] inferiors print in reverse order
Date: Tue, 24 Nov 2015 18:43:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #7 from Pedro Alves <palves at redhat dot com> ---
Fixed.
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>From gdb-prs-return-18818-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 19:17:06 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug python/19287] New: python unwinder should default PC and SP to
frame_id values
Date: Tue, 24 Nov 2015 19:17:00 -0000
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Bug ID: 19287
Summary: python unwinder should default PC and SP to frame_id
values
Product: gdb
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Component: python
Assignee: unassigned at sourceware dot org
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I'm writing an unwinder in Python.
I was a bit surprised to discover that I had to set the PC and SP values
on the unwind frame object by hand, like:
unwind_info = pending_frame.create_unwind_info(frame_id)
unwind_info.add_saved_register(self.PC_REGISTER, frame_id.pc)
unwind_info.add_saved_register(self.SP_REGISTER, frame_id.sp)
I would have thought that these values would default to the values
from the frame id.
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>From gdb-prs-return-18819-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 19:22:30 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19288] New: need a way to see if an address is covered
by some existing object
Date: Tue, 24 Nov 2015 19:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19288
Bug ID: 19288
Summary: need a way to see if an address is covered by some
existing object
Product: gdb
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Status: NEW
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Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
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Target Milestone: ---
I'm writing an unwinder in Python.
>From the docs it seems that Python unwinders are run first.
But, I don't want that -- I only want my unwinder to be considered
when a PC is not covered by some existing objfile.
So, I tried to implement an early exit. This turns out to be
hard to do.
solib_name does not work for things in the main executable.
(Maybe fixing this one is the way to go.)
block_for_pc does not work for libraries without debuginfo.
find_pc_line doesn't differentiate between not-covered and no-debuginfo.
Even the desperation try fails:
return not gdb.execute('info symbol 0x%x' % pc, to_string =
True).startswith('No symbol matches')
...causing a crash in value_of_register_lazy.
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>From gdb-prs-return-18820-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 19:48:18 2015
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Subject: [Bug remote/19215] GDB does not support more than one inferior for
"target remote"
Date: Tue, 24 Nov 2015 19:48:00 -0000
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--- Comment #4 from Jagadeesh Madagundi <jagadeesh545 at gmail dot com> ---
Hi,
May I know when will be MultiTarget feature available for GDB users ??
https://sourceware.org/gdb/wiki/MultiTarget
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>From gdb-prs-return-18821-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Nov 24 21:38:55 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19288] need a way to see if an address is covered by
some existing object
Date: Tue, 24 Nov 2015 21:38:00 -0000
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--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
This worked ok for me, but it's a big hack.
static PyObject *
gdbpy_text_address_claimed (PyObject *self, PyObject *args)
{
gdb_py_ulongest pc;
struct objfile *objfile;
struct obj_section *osect;
if (!PyArg_ParseTuple (args, GDB_PY_LLU_ARG, &pc))
return NULL;
ALL_OBJSECTIONS (objfile, osect)
{
/* Only process each object file once, even if there's a separate
debug file. */
if (objfile->separate_debug_objfile_backlink)
continue;
if (obj_section_addr (osect) <= pc && pc < obj_section_endaddr (osect))
{
Py_RETURN_TRUE;
}
}
Py_RETURN_FALSE;
}
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>From gdb-prs-return-18822-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 25 10:35:23 2015
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Subject: [Bug python/19288] need a way to see if an address is covered by
some existing object
Date: Wed, 25 Nov 2015 10:35:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Did you consider exposing the list of Objfile sections to Python?
Something like Objfile.sections() to get the section list, and then each
Section object could expose the addr/endaddr range.
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>From gdb-prs-return-18823-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 25 14:06:10 2015
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Subject: [Bug backtrace/19293] New: enabling or disabling an unwinder doesn't
affect "bt"
Date: Wed, 25 Nov 2015 14:06:00 -0000
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Bug ID: 19293
Summary: enabling or disabling an unwinder doesn't affect "bt"
Product: gdb
Version: unknown
Status: NEW
Severity: normal
Priority: P2
Component: backtrace
Assignee: unassigned at sourceware dot org
Reporter: tromey at sourceware dot org
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I am writing an unwinder in Python.
I wanted to double-check what happened without my unwinder installed,
so I used "disable unwinder" to disable it.
However, typing "bt" again gave the same stack trace.
I think enabling or disabling an unwinder should discard the frame cache.
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>From gdb-prs-return-18824-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 25 16:15:02 2015
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Subject: [Bug cli/19294] New: ptype output for enum is not prettified
Date: Wed, 25 Nov 2015 16:14:00 -0000
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Bug ID: 19294
Summary: ptype output for enum is not prettified
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I did "ptype" of an enum type.
I was hoping this would (a) respect "set print pretty on"
and (b) show me the values of the constants.
It did neither:
(gdb) ptype js::jit::FrameType
type = enum js::jit::FrameType : unsigned int {js::jit::JitFrame_IonJS,
js::jit::JitFrame_BaselineJS, js::jit::JitFrame_BaselineStub,
js::jit::JitFrame_IonStub, js::jit::JitFrame_Entry,
js::jit::JitFrame_Rectifier, js::jit::JitFrame_IonAccessorIC,
js::jit::JitFrame_Unwound_BaselineJS, js::jit::JitFrame_Unwound_IonJS,
js::jit::JitFrame_Unwound_BaselineStub, js::jit::JitFrame_Unwound_IonStub,
js::jit::JitFrame_Unwound_Rectifier,
js::jit::JitFrame_Unwound_IonAccessorIC, js::jit::JitFrame_Exit,
js::jit::JitFrame_Bailout, js::jit::JitFrame_LazyLink}
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>From gdb-prs-return-18825-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 25 18:13:02 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19288] need a way to see if an address is covered by
some existing object
Date: Wed, 25 Nov 2015 18:13:00 -0000
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--- Comment #3 from Tom Tromey <tromey at sourceware dot org> ---
(In reply to Pedro Alves from comment #2)
> Did you consider exposing the list of Objfile sections to Python?
> Something like Objfile.sections() to get the section list, and then each
> Section object could expose the addr/endaddr range.
Yeah, that would work nicely.
I also thought about just having my python code parse /proc/$/maps :)
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>From gdb-prs-return-18826-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Nov 25 23:59:13 2015
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From: "nshulga at nvidia dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug remote/19295] New: gdbserver: Detaching after calling function
by hand results in spurious SIGSEGV
Date: Wed, 25 Nov 2015 23:59:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19295
Bug ID: 19295
Summary: gdbserver: Detaching after calling function by hand
results in spurious SIGSEGV
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: remote
Assignee: unassigned at sourceware dot org
Reporter: nshulga at nvidia dot com
Target Milestone: ---
Following command reproduces the crash:
$ echo 'int main(void) {while(1); return 0;}' | gcc -o whileone -x c -;
./whileone & gdbserver :2345 --attach `pidof whileone` & gdb ./whileone -ex
'target remote :2345' -ex 'call printf("Hello World!\n")' -ex 'detach' -batch
[1] 22492
[2] 22493
Attached; pid = 22492
Listening on port 2345
Remote debugging from host 127.0.0.1
...
0x00000000004004fa in main ()
Hello World!
$1 = 13
Detaching from process 22492
[2]+ Done gdbserver :2345 --attach `pidof whileone`
[1]+ Segmentation fault (core dumped) ./whileone
As far as I understand, it happens because dynamic function call trampoline is
constructed on a non-executable stack, i.e. breakpoint set on stack after
return from the function call is reported by SIGSEGV rather than SIGTRAP, which
results in get_detach_signal() routine return SIGSEGV for the thread that was
used to invoke the function
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From: "markus.t.metzger at intel dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug record/19297] New: Internal error on "record btrace":
Unexpected branch trace format.
Date: Thu, 26 Nov 2015 10:22:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19297
Bug ID: 19297
Summary: Internal error on "record btrace": Unexpected branch
trace format.
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: record
Assignee: unassigned at sourceware dot org
Reporter: markus.t.metzger at intel dot com
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If GDB has been configured without libipt support, i.e. HAVE_LIBIPT is
undefined, and is running on a system that supports Intel(R) Processor Trace,
GDB will run into an internal error when trying to decode the trace.
(gdb) record btrace
(gdb) s
usage (name=0x7fffffffe954 "fib-64")
at src/fib.c:12
12 fprintf(stderr, "usage: %s <num>\n", name);
(gdb) info record
Active record target: record-btrace
Recording format: Intel(R) Processor Trace.
Buffer size: 16kB.
gdb/btrace.c:971: internal-error: Unexpected branch trace format.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
This requires a system with Linux kernel 4.1 or later running on a 5th
Generation Intel Core processor or later.
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Subject: [Bug record/19297] Internal error on "record btrace": Unexpected
branch trace format.
Date: Thu, 26 Nov 2015 10:27:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Markus Metzger <mmetzger@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=46a3515b49ce30315e2b621525b29cd8263aed15
commit 46a3515b49ce30315e2b621525b29cd8263aed15
Author: Markus Metzger <markus.t.metzger@intel.com>
Date: Thu Nov 19 14:33:41 2015 +0100
btrace: diagnose "record btrace pt" without libipt
If GDB has been configured without libipt support, i.e. HAVE_LIBIPT is
undefined, and is running on a system that supports Intel(R) Processor
Trace,
GDB will run into an internal error when trying to decode the trace.
(gdb) record btrace
(gdb) s
usage (name=0x7fffffffe954 "fib-64")
at src/fib.c:12
12 fprintf(stderr, "usage: %s <num>\n", name);
(gdb) info record
Active record target: record-btrace
Recording format: Intel(R) Processor Trace.
Buffer size: 16kB.
gdb/btrace.c:971: internal-error: Unexpected branch trace format.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
This requires a system with Linux kernel 4.1 or later running on a 5th
Generation Intel Core processor or later.
The issue is documented as PR 19297.
When trying to enable branch tracing, in addition to checking the target
support for the requested branch tracing format, also check whether GDB
supports. it.
gdb/
* btrace.c (btrace_enable): Check whether HAVE_LIBIPT is defined.
testsuite/
* lib/gdb.exp (skip_btrace_pt_tests): Check for a "GDB does not
support" error.
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>From gdb-prs-return-18829-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 26 12:20:06 2015
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Subject: [Bug record/19297] Internal error on "record btrace": Unexpected
branch trace format.
Date: Thu, 26 Nov 2015 12:20:00 -0000
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--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The gdb-7.10-branch branch has been updated by Markus Metzger
<mmetzger@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=bab694b7f968cc5703a69df694b5968384d6c0b4
commit bab694b7f968cc5703a69df694b5968384d6c0b4
Author: Markus Metzger <markus.t.metzger@intel.com>
Date: Thu Nov 19 14:33:41 2015 +0100
btrace: diagnose "record btrace pt" without libipt
If GDB has been configured without libipt support, i.e. HAVE_LIBIPT is
undefined, and is running on a system that supports Intel(R) Processor
Trace,
GDB will run into an internal error when trying to decode the trace.
(gdb) record btrace
(gdb) s
usage (name=0x7fffffffe954 "fib-64")
at src/fib.c:12
12 fprintf(stderr, "usage: %s <num>\n", name);
(gdb) info record
Active record target: record-btrace
Recording format: Intel(R) Processor Trace.
Buffer size: 16kB.
gdb/btrace.c:971: internal-error: Unexpected branch trace format.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
This requires a system with Linux kernel 4.1 or later running on a 5th
Generation Intel Core processor or later.
The issue is documented as PR 19297.
When trying to enable branch tracing, in addition to checking the target
support for the requested branch tracing format, also check whether GDB
supports. it.
gdb/
* btrace.c (btrace_enable): Check whether HAVE_LIBIPT is defined.
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To: gdb-prs@sourceware.org
Subject: [Bug record/19297] Internal error on "record btrace": Unexpected
branch trace format.
Date: Thu, 26 Nov 2015 12:22:00 -0000
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Markus Metzger <markus.t.metzger at intel dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Assignee|unassigned at sourceware dot org |markus.t.metzger at intel dot com
--- Comment #3 from Markus Metzger <markus.t.metzger at intel dot com> ---
Fixed in commit 46a3515b49ce30315e2b621525b29cd8263aed15 (master) and commit
bab694b7f968cc5703a69df694b5968384d6c0b4 (7.10).
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To: gdb-prs@sourceware.org
Subject: [Bug gdb/19298] New: [Patch/Regression] coff init
Date: Thu, 26 Nov 2015 14:01:00 -0000
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Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: winter-gcc@bfw-online.de
Target Milestone: ---
Created attachment 8815
--> https://sourceware.org/bugzilla/attachment.cgi?id=8815&action=edit
Patch for gdb 7.10-1 (release from Debian)
It seems initialization code in COFF is missing (while it is present in ELF
etc.).
gdb 7.7.1 works, 7.10 fails (without attached patch).
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From: "blckcat at inbox dot ru" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19299] New: Crash when reading debug symbols if code
contains `template <typename T> S<decltype(*(T*)0)> f() {}`
Date: Thu, 26 Nov 2015 20:07:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19299
Bug ID: 19299
Summary: Crash when reading debug symbols if code contains
`template <typename T> S<decltype(*(T*)0)> f() {}`
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: blckcat at inbox dot ru
Target Milestone: ---
Following code
template <typename T> struct S {};
template <typename T> S<decltype(*(T*)0)> f() {}
int main() {f<int>();}
(compiled with g++ code.cpp -o code.exe -g -std=c++11)
causes gdb to crash when it tries to read debug symbols from the executable.
It shows error message `gdborig.exe has stopped working.` with single "close
program" button.
I'm on Windows 7 x64. I'm using latest stable MinGW-w64 toolchain (GCC 5.2.0).
I tried gdb 7.9.1 from this toolchain. I also tried last gdb 7.10 that I built
from sources. They both crash.
** How to reproduce (Windows) **
Create `test.cpp` and put the code that is written above into it.
Run `g++ test.cpp -o test.exe -g -std=c++11`.
Run `gbd test.exe`.
Watch it crash.
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>From gdb-prs-return-18833-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 26 20:31:50 2015
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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19299] Crash when reading debug symbols if code contains
`template <typename T> S<decltype(*(T*)0)> f() {}`
Date: Thu, 26 Nov 2015 20:31:00 -0000
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Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
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----------------------------------------------------------------------------
CC| |markus at trippelsdorf dot de
--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
Probably a dup of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61321.
You should post your source example there.
Thanks.
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To: gdb-prs@sourceware.org
Subject: [Bug c++/19299] Crash when reading debug symbols if code contains
`template <typename T> S<decltype(*(T*)0)> f() {}`
Date: Thu, 26 Nov 2015 20:38:00 -0000
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--- Comment #2 from Egor Mikhailov <blckcat at inbox dot ru> ---
Yes, looks like my report is really a dup. Should I close it somehow?
Also, sorry, but I don't understand what 'code example' you want me to post.
I've already provided all code that is needed to reproduce this.
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>From gdb-prs-return-18835-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Nov 26 20:42:16 2015
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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19299] Crash when reading debug symbols if code contains
`template <typename T> S<decltype(*(T*)0)> f() {}`
Date: Thu, 26 Nov 2015 20:42:00 -0000
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Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
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URL| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=61321
Resolution|--- |MOVED
--- Comment #3 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
(In reply to Egor Mikhailov from comment #2)
> Yes, looks like my report is really a dup. Should I close it somehow?
>
> Also, sorry, but I don't understand what 'code example' you want me to post.
> I've already provided all code that is needed to reproduce this.
Sorry, I was just suggesting that you should post your code
also in the gcc bug.
But don't, worry I will do it for you.
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>From gdb-prs-return-18836-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Nov 29 15:16:45 2015
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From: "0xloem at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug cli/19301] New: gdb hangs if process will not stop
Date: Sun, 29 Nov 2015 15:16:00 -0000
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Bug ID: 19301
Summary: gdb hangs if process will not stop
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: cli
Assignee: unassigned at sourceware dot org
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I cannot attach to a process I have which is using 100% cpu. GDB simply hangs,
and offers no output as to the cause. I think it would be great if GDB gave me
information on what the hang was about, for example "WARNING: process has not
[done something necessary] after waiting for 10s."
Stack trace:
(gdb) bt
#0 0x00007f20a3a40b6a in waitpid () from /lib64/libpthread.so.0
#1 0x0000560d4e778749 in my_waitpid (pid=7576, status=0x7fff2dc2edac, flags=0)
at ./nat/linux-waitpid.c:141
#2 0x0000560d4e75df7b in linux_nat_post_attach_wait (ptid=..., first=1,
cloned=0x560d4f31b82c, signalled=0x560d4f31b830) at linux-nat.c:1013
#3 0x0000560d4e75eb7c in linux_nat_attach (ops=0x560d4f1d0810,
args=0x560d4f15b070 "7576", from_tty=1) at linux-nat.c:1313
#4 0x0000560d4e90d222 in attach_command (args=0x560d4f15b070 "7576",
from_tty=1) at infcmd.c:2748
#5 0x0000560d4e93a2a6 in catch_command_errors (command=0x560d4e90d0ec
<attach_command>, arg=0x7fff2dc30a5c "7576", from_tty=1) at main.c:368
#6 0x0000560d4e93b88f in captured_main (data=0x7fff2dc2f1c0) at main.c:1073
#7 0x0000560d4e933a28 in catch_errors (func=0x560d4e93a7a1 <captured_main>,
func_args=0x7fff2dc2f1c0, errstring=0x560d4ecf63e9 "", mask=RETURN_MASK_ALL) at
exceptions.c:240
#8 0x0000560d4e93bb71 in gdb_main (args=0x7fff2dc2f1c0) at main.c:1165
#9 0x0000560d4e6fa59f in main (argc=3, argv=0x7fff2dc2f2d8) at gdb.c:32
Environment:
$ uname -a
Linux livecd 4.1.13+ #1 SMP Wed Nov 18 06:53:18 EST 2015 x86_64 Intel(R)
Core(TM) i5-3340M CPU @ 2.70GHz GenuineIntel GNU/Linux
$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.5/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.8.5/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /var/tmp/portage/sys-devel/gcc-4.8.5/work/gcc-4.8.5/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.5
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.5/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.5/include/g++-v4
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/python
--enable-languages=c,c++,java,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --disable-nls --enable-checking=release
--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo Hardened 4.8.5
p1.3, pie-0.6.2' --enable-esp --enable-libstdcxx-time --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-multilib --with-multilib-list=m32,m64 --disable-altivec
--disable-fixed-point --enable-targets=all --enable-libgomp
--disable-libmudflap --disable-libssp --enable-lto --without-cloog
--disable-libsanitizer
Thread model: posix
gcc version 4.8.5 (Gentoo Hardened 4.8.5 p1.3, pie-0.6.2)
$ gdb -v
GNU gdb (GDB) 7.10.50.20151129-cvs
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
(gdb) show configuration
This GDB was configured as follows:
configure --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu
--with-auto-load-dir=$debugdir:$datadir/auto-load
--with-auto-load-safe-path=$debugdir:$datadir/auto-load
--with-expat
--with-gdb-datadir=/usr/share/gdb (relocatable)
--with-jit-reader-dir=/usr/lib/gdb (relocatable)
--without-libunwind-ia64
--with-lzma
--with-python=/usr (relocatable)
--without-guile
--with-separate-debug-dir=/usr/lib/debug (relocatable)
--without-babeltrace
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From: "felix.von.s at posteo dot de" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/19302] New: Cannot cross-build a fully functional native
djgpp gdb
Date: Sun, 29 Nov 2015 18:10:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19302
Bug ID: 19302
Summary: Cannot cross-build a fully functional native djgpp gdb
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: build
Assignee: unassigned at sourceware dot org
Reporter: felix.von.s at posteo dot de
Target Milestone: ---
Host: i686-pc-msdosdjgpp
Target: i686-pc-msdosdjgpp
Build: x86_64-unknown-linux-gnu
GDB cross-built as
./configure --{host,target}=i686-pc-msdosdjgpp --build=x86_64-unknown-linux-gnu
doesn't have native debugging enabled; you cannot load an .exe file and have it
run under GDB's supervision.
The reason is that config/mh-djgpp contains this:
# Shorten the target alias so when it is used to set 'libsubdir'
# the name will work in both short and long filename environments.
ifeq ($(findstring -pc-msdosdjgpp,$(target_alias)),-pc-msdosdjgpp)
target_alias=djgpp
endif
The build scripts detect whether native debugging should be compiled in by
(character-wise) comparing target_alias to host_alias. However, the comparison
is performed AFTER the above shortening happens, and native debugging is
therefore kept disabled.
Since long file names are not a problem for me, I can just remove the offending
code, but clearly this isn't a complete solution.
It may seem a bit contrived, but I figure a similar bug may manifest when
someone sets, say, --host=i686-w64-mingw32 and --target=i486-pc-mingw32; the
triplets are effectively identical, but the build system won't notice this.
--
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From: "szotsaki at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug cli/19304] New: GDB crashed freezes on autocomplete
Date: Sun, 29 Nov 2015 19:54:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19304
Bug ID: 19304
Summary: GDB crashed freezes on autocomplete
Product: gdb
Version: 7.9
Status: NEW
Severity: normal
Priority: P2
Component: cli
Assignee: unassigned at sourceware dot org
Reporter: szotsaki at gmail dot com
Target Milestone: ---
I paused my program run (Ctrl+C) then I started recording for backstepping.
Then I used <TAB> for autocompletion. Somewhere at "back<TAB>" GDB froze,
didn't respond to anything and just ate memory all the time (in half a minute
its consumption went up to 5 GB).
I have a complete core file in 700 MB size, if you're interested.
Version: 7.9.1.
The commands I issued:
(gdb) record
(gdb) c
Continuing.
[Thread 0x7fff8cab7700 (LWP 30462) exited]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff966f5700 (LWP 30422)]
0x00000000400a0d71 in ?? ()
(gdb) next
next nexti
(gdb) backtrace <tab> ^C^C^C^C^C^C^C^C^C^CKilled
The backtrace:
#0 bfd_getl32 (p=0x7faa1629487c) at ../../bfd/libbfd.c:549
#1 0x000000000069da76 in read_initial_length (buf=buf@entry=0x7faa1629487c
"\267\311\001", bytes_read=bytes_read@entry=0x7fff124ebe4c, abfd=0xd1d2550) at
../../gdb/dwarf2read.c:16569
#2 0x000000000069e1e4 in read_comp_unit_head
(cu_header=cu_header@entry=0xd4418458, info_ptr=info_ptr@entry=0x7faa1629487c
"\267\311\001", abfd=0xd1d2550) at ../../gdb/dwarf2read.c:4292
#3 0x00000000006a076e in read_and_check_comp_unit_head (header=0xd4418458,
section=section@entry=0x136d9a28,
abbrev_section=abbrev_section@entry=0x136d9a50, info_ptr=0x7faa1629487c
"\267\311\001", is_debug_types_section=is_debug_types_section@entry=0) at
../../gdb/dwarf2read.c:4378
#4 0x00000000006ab5fd in init_cutu_and_read_dies (this_cu=0x14300860,
abbrev_table=abbrev_table@entry=0x0, use_existing_cu=use_existing_cu@entry=1,
keep=keep@entry=1, die_reader_func=die_reader_func@entry=0x6ae7a0
<load_full_comp_unit_reader>, data=data@entry=0x7fff124ebfcc) at
../../gdb/dwarf2read.c:5493
#5 0x00000000006ababa in load_full_comp_unit (this_cu=<optimized out>,
pretend_language=language_minimal) at ../../gdb/dwarf2read.c:7707
#6 0x00000000006ade22 in load_cu (per_cu=0x14300860) at
../../gdb/dwarf2read.c:2648
#7 0x00000000006b8d95 in dw2_do_instantiate_symtab (per_cu=0x14300860) at
../../gdb/dwarf2read.c:2674
#8 0x00000000006b9f27 in psymtab_to_symtab_1 (pst=pst@entry=0x13983dc0) at
../../gdb/dwarf2read.c:7634
#9 0x00000000006ba048 in dwarf2_read_symtab (self=0x13983dc0,
objfile=0x11de28a0) at ../../gdb/dwarf2read.c:7414
#10 0x0000000000619fe1 in psymtab_to_symtab (objfile=objfile@entry=0x11de28a0,
pst=pst@entry=0x13983dc0) at ../../gdb/psymtab.c:788
#11 0x000000000061b24f in psym_expand_symtabs_matching (objfile=0x11de28a0,
file_matcher=0x0, symbol_matcher=0x612670 <symbol_completion_matcher>,
kind=ALL_DOMAIN, data=0x7fff124ec1d0) at ../../gdb/psymtab.c:1454
#12 0x000000000062256a in expand_symtabs_matching
(file_matcher=file_matcher@entry=0x0,
symbol_matcher=symbol_matcher@entry=0x612670 <symbol_completion_matcher>,
kind=kind@entry=ALL_DOMAIN, data=data@entry=0x7fff124ec1d0) at
../../gdb/symfile.c:3959
#13 0x00000000006184db in default_make_symbol_completion_list_break_on
(text=0x7fff124ec26a "", word=0x7fff124ec26a "", break_on=<optimized out>,
code=TYPE_CODE_UNDEF) at ../../gdb/symtab.c:4627
#14 0x0000000000653c2b in complete_line_internal (text=text@entry=0x1e37b410
"", line_buffer=line_buffer@entry=0x225fe80 "backtrace ", point=point@entry=10,
reason=reason@entry=handle_completions) at ../../gdb/completer.c:777
#15 0x00000000006546c9 in complete_line (point=10, line_buffer=0x225fe80
"backtrace ", text=0x1e37b410 "") at ../../gdb/completer.c:799
#16 line_completion_function (point=10, line_buffer=0x225fe80 "backtrace ",
matches=<optimized out>, text=<optimized out>) at ../../gdb/completer.c:939
#17 readline_line_completion_function (text=0x1e37b410 "", matches=<optimized
out>) at ../../gdb/completer.c:103
#18 0x00007faa3aeb39f1 in rl_completion_matches (text=text@entry=0x1e37b410 "",
entry_function=entry_function@entry=0x654670
<readline_line_completion_function>) at ../complete.c:1992
#19 0x00007faa3aeb3ae5 in gen_completion_matches (text=text@entry=0x1e37b410
"", start=start@entry=10, end=end@entry=10, our_func=our_func@entry=0x654670
<readline_line_completion_function>, found_quote=<optimized out>,
quote_char=<optimized out>) at ../complete.c:1075
#20 0x00007faa3aeb3c14 in rl_complete_internal (what_to_do=9) at
../complete.c:1830
#21 0x00007faa3aeabc2e in _rl_dispatch_subseq (key=9, map=<optimized out>,
got_subseq=0) at ../readline.c:836
#22 0x00007faa3aeabec1 in _rl_dispatch (key=<optimized out>, map=<optimized
out>) at ../readline.c:782
#23 0x00007faa3aeabf72 in readline_internal_char () at ../readline.c:610
#24 0x00007faa3aec0ecd in rl_callback_read_char () at ../callback.c:201
#25 0x0000000000652bb9 in rl_callback_read_char_wrapper (client_data=<optimized
out>) at ../../gdb/event-top.c:172
#26 0x0000000000652c03 in stdin_event_handler (error=<optimized out>,
client_data=0x0) at ../../gdb/event-top.c:437
#27 0x0000000000651a95 in gdb_wait_for_event (block=block@entry=1) at
../../gdb/event-loop.c:772
#28 0x0000000000651d92 in gdb_do_one_event () at ../../gdb/event-loop.c:309
#29 0x0000000000651e17 in start_event_loop () at ../../gdb/event-loop.c:334
#30 0x000000000064b573 in captured_command_loop (data=data@entry=0x0) at
../../gdb/main.c:322
#31 0x0000000000648b85 in catch_errors (func=func@entry=0x64b560
<captured_command_loop>, func_args=func_args@entry=0x0,
errstring=errstring@entry=0x8b2cbc "", mask=mask@entry=RETURN_MASK_ALL) at
../../gdb/exceptions.c:237
#32 0x000000000064c376 in captured_main (data=data@entry=0x7fff124ec6e0) at
../../gdb/main.c:1243
#33 0x0000000000648b85 in catch_errors (func=func@entry=0x64bb30
<captured_main>, func_args=func_args@entry=0x7fff124ec6e0,
errstring=errstring@entry=0x8b2cbc "", mask=mask@entry=RETURN_MASK_ALL) at
../../gdb/exceptions.c:237
#34 0x000000000064ceab in gdb_main (args=args@entry=0x7fff124ec6e0) at
../../gdb/main.c:1252
#35 0x00000000004709b5 in main (argc=<optimized out>, argv=<optimized out>) at
../../gdb/gdb.c:32
Full backtrace:
#0 bfd_getl32 (p=0x7faa1629487c) at ../../bfd/libbfd.c:549
addr = 0x7faa1629487c "\267\311\001"
v = <optimized out>
#1 0x000000000069da76 in read_initial_length (buf=buf@entry=0x7faa1629487c
"\267\311\001", bytes_read=bytes_read@entry=0x7fff124ebe4c, abfd=0xd1d2550) at
../../gdb/dwarf2read.c:16569
length = <optimized out>
#2 0x000000000069e1e4 in read_comp_unit_head
(cu_header=cu_header@entry=0xd4418458, info_ptr=info_ptr@entry=0x7faa1629487c
"\267\311\001", abfd=0xd1d2550) at ../../gdb/dwarf2read.c:4292
signed_addr = <optimized out>
bytes_read = 0
#3 0x00000000006a076e in read_and_check_comp_unit_head (header=0xd4418458,
section=section@entry=0x136d9a28,
abbrev_section=abbrev_section@entry=0x136d9a50, info_ptr=0x7faa1629487c
"\267\311\001", is_debug_types_section=is_debug_types_section@entry=0) at
../../gdb/dwarf2read.c:4378
beg_of_comp_unit = 0x7faa1629487c "\267\311\001"
abfd = <optimized out>
#4 0x00000000006ab5fd in init_cutu_and_read_dies (this_cu=0x14300860,
abbrev_table=abbrev_table@entry=0x0, use_existing_cu=use_existing_cu@entry=1,
keep=keep@entry=1, die_reader_func=die_reader_func@entry=0x6ae7a0
<load_full_comp_unit_reader>, data=data@entry=0x7fff124ebfcc) at
../../gdb/dwarf2read.c:5493
objfile = <optimized out>
section = 0x136d9a28
abfd = 0xd1d2550
cu = 0xd4418450
begin_info_ptr = 0x7faa1629487c "\267\311\001"
info_ptr = 0x7faa1629487c "\267\311\001"
reader = {abfd = 0x100000000, cu = 0x684ee0
<end_symtab_with_blockvector+1360>, dwo_file = 0x100000000, die_section =
0x6ad498 <dwarf2_record_block_ranges+392>, buffer = 0x100000000
"P\235\026\023", buffer_end = 0x7faa39785620 <main_arena> "", comp_dir = 0x18
<error: Cannot access memory at address 0x18>}
comp_unit_die = 0x46f95b90
has_children = 32682
attr = <optimized out>
cleanups = 0xdea17670
free_cu_cleanup = <optimized out>
sig_type = 0x0
rereading_dwo_cu = <optimized out>
__PRETTY_FUNCTION__ = "init_cutu_and_read_dies"
#5 0x00000000006ababa in load_full_comp_unit (this_cu=<optimized out>,
pretend_language=language_minimal) at ../../gdb/dwarf2read.c:7707
No locals.
#6 0x00000000006ade22 in load_cu (per_cu=0x14300860) at
../../gdb/dwarf2read.c:2648
No locals.
#7 0x00000000006b8d95 in dw2_do_instantiate_symtab (per_cu=0x14300860) at
../../gdb/dwarf2read.c:2674
back_to = 0x1c75a290
#8 0x00000000006b9f27 in psymtab_to_symtab_1 (pst=pst@entry=0x13983dc0) at
../../gdb/dwarf2read.c:7634
per_cu = <optimized out>
i = <optimized out>
#9 0x00000000006ba048 in dwarf2_read_symtab (self=0x13983dc0,
objfile=0x11de28a0) at ../../gdb/dwarf2read.c:7414
No locals.
#10 0x0000000000619fe1 in psymtab_to_symtab (objfile=objfile@entry=0x11de28a0,
pst=pst@entry=0x13983dc0) at ../../gdb/psymtab.c:788
back_to = 0x2537010
#11 0x000000000061b24f in psym_expand_symtabs_matching (objfile=0x11de28a0,
file_matcher=0x0, symbol_matcher=0x612670 <symbol_completion_matcher>,
kind=ALL_DOMAIN, data=0x7fff124ec1d0) at ../../gdb/psymtab.c:1454
ps = 0x13983dc0
#12 0x000000000062256a in expand_symtabs_matching
(file_matcher=file_matcher@entry=0x0,
symbol_matcher=symbol_matcher@entry=0x612670 <symbol_completion_matcher>,
kind=kind@entry=ALL_DOMAIN, data=data@entry=0x7fff124ec1d0) at
../../gdb/symfile.c:3959
objfile = 0x11de28a0
#13 0x00000000006184db in default_make_symbol_completion_list_break_on
(text=0x7fff124ec26a "", word=0x7fff124ec26a "", break_on=<optimized out>,
code=TYPE_CODE_UNDEF) at ../../gdb/symtab.c:4627
sym = <optimized out>
cust = <optimized out>
msymbol = <optimized out>
objfile = <optimized out>
b = <optimized out>
surrounding_static_block = <optimized out>
surrounding_global_block = <optimized out>
iter = {d = {compunit_symtab = 0x1ae1d50, block = 0x1ae1d50}, idx = 1,
which = STATIC_BLOCK, dict_iter = {dict = 0x7fff124ec1e4, index = 307151332,
current = 0x100000001}}
sym_text = 0x7fff124ec26a ""
sym_text_len = 0
datum = {sym_text = 0x7fff124ec26a "", sym_text_len = 0, text =
0x7fff124ec26a "", word = 0x7fff124ec26a ""}
back_to = 0x904600 <sentinel_cleanup>
__PRETTY_FUNCTION__ = "default_make_symbol_completion_list_break_on"
#14 0x0000000000653c2b in complete_line_internal (text=text@entry=0x1e37b410
"", line_buffer=line_buffer@entry=0x225fe80 "backtrace ", point=point@entry=10,
reason=reason@entry=handle_completions) at ../../gdb/completer.c:777
list = 0x0
tmp_command = 0x7fff124ec260 "backtrace "
p = 0x7fff124ec26a ""
ignore_help_classes = 1
word = 0x7fff124ec26a ""
c = 0x1abdf90
result_list = 0x1ae1d50
#15 0x00000000006546c9 in complete_line (point=10, line_buffer=0x225fe80
"backtrace ", text=0x1e37b410 "") at ../../gdb/completer.c:799
No locals.
#16 line_completion_function (point=10, line_buffer=0x225fe80 "backtrace ",
matches=<optimized out>, text=<optimized out>) at ../../gdb/completer.c:939
output = 0x0
list = 0x0
index = 0
#17 readline_line_completion_function (text=0x1e37b410 "", matches=<optimized
out>) at ../../gdb/completer.c:103
No locals.
#18 0x00007faa3aeb39f1 in rl_completion_matches (text=text@entry=0x1e37b410 "",
entry_function=entry_function@entry=0x654670
<readline_line_completion_function>) at ../complete.c:1992
match_list_size = 10
match_list = 0x15d96670
matches = 0
string = <optimized out>
#19 0x00007faa3aeb3ae5 in gen_completion_matches (text=text@entry=0x1e37b410
"", start=start@entry=10, end=end@entry=10, our_func=our_func@entry=0x654670
<readline_line_completion_function>, found_quote=<optimized out>,
quote_char=<optimized out>) at ../complete.c:1075
matches = <optimized out>
#20 0x00007faa3aeb3c14 in rl_complete_internal (what_to_do=9) at
../complete.c:1830
matches = 0x7faa3b0da340 <rl_display_fixed>
our_func = <optimized out>
start = 10
end = 10
delimiter = 0
found_quote = 0
i = <optimized out>
nontrivial_lcd = <optimized out>
text = 0x1e37b410 ""
saved_line_buffer = 0x4e9ab80 "backtrace "
quote_char = 0 '\000'
tlen = <optimized out>
mlen = <optimized out>
#21 0x00007faa3aeabc2e in _rl_dispatch_subseq (key=9, map=<optimized out>,
got_subseq=0) at ../readline.c:836
r = 0
newkey = <optimized out>
func = <optimized out>
cxt = <optimized out>
#22 0x00007faa3aeabec1 in _rl_dispatch (key=<optimized out>, map=<optimized
out>) at ../readline.c:782
No locals.
#23 0x00007faa3aeabf72 in readline_internal_char () at ../readline.c:610
lastc = 9
eof_found = 0
c = <optimized out>
code = <optimized out>
lk = 0
#24 0x00007faa3aec0ecd in rl_callback_read_char () at ../callback.c:201
line = <optimized out>
eof = <optimized out>
jcode = <optimized out>
olevel = {{__jmpbuf = {140369111917648, 4066462856272357048,
140733500549562, 0, 140733500540904, 26490112, 4090580088538474168,
4066461988160612024}, __mask_was_saved = 1, __saved_mask = {__val =
{4294967296, 0 <repeats 15 times>}}}}
#25 0x0000000000652bb9 in rl_callback_read_char_wrapper (client_data=<optimized
out>) at ../../gdb/event-top.c:172
No locals.
#26 0x0000000000652c03 in stdin_event_handler (error=<optimized out>,
client_data=0x0) at ../../gdb/event-top.c:437
No locals.
#27 0x0000000000651a95 in gdb_wait_for_event (block=block@entry=1) at
../../gdb/event-loop.c:772
mask = <optimized out>
file_ptr = <optimized out>
num_found = 0
i = <optimized out>
#28 0x0000000000651d92 in gdb_do_one_event () at ../../gdb/event-loop.c:309
event_source_head = 2
current = 3
#29 0x0000000000651e17 in start_event_loop () at ../../gdb/event-loop.c:334
ex = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
result = 0
#30 0x000000000064b573 in captured_command_loop (data=data@entry=0x0) at
../../gdb/main.c:322
No locals.
#31 0x0000000000648b85 in catch_errors (func=func@entry=0x64b560
<captured_command_loop>, func_args=func_args@entry=0x0,
errstring=errstring@entry=0x8b2cbc "", mask=mask@entry=RETURN_MASK_ALL) at
../../gdb/exceptions.c:237
val = 0
exception = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
saved_uiout = 0x1e93c20
#32 0x000000000064c376 in captured_main (data=data@entry=0x7fff124ec6e0) at
../../gdb/main.c:1243
context = 0x7fff124ec6e0
argc = 2
argv = 0x7fff124ec7e8
quiet = 0
set_args = 0
inhibit_home_gdbinit = 0
symarg = <optimized out>
execarg = <optimized out>
pidarg = 0x0
corearg = <optimized out>
pid_or_core_arg = 0x0
cdarg = 0x0
ttyarg = 0x0
python_script = <optimized out>
print_help = 0
print_version = 0
print_configuration = 0
cmdarg_vec = 0x0
cmdarg_p = 0x0
dirarg = <optimized out>
dirsize = <optimized out>
ndir = 1
system_gdbinit = 0x1bb5af0 "/etc/gdbinit"
home_gdbinit = 0x0
local_gdbinit = 0x0
i = <optimized out>
save_auto_load = 1
objfile = <optimized out>
pre_stat_chain = 0x904600 <sentinel_cleanup>
#33 0x0000000000648b85 in catch_errors (func=func@entry=0x64bb30
<captured_main>, func_args=func_args@entry=0x7fff124ec6e0,
errstring=errstring@entry=0x8b2cbc "", mask=mask@entry=RETURN_MASK_ALL) at
../../gdb/exceptions.c:237
val = 0
exception = {reason = 0, error = GDB_NO_ERROR, message = 0x0}
saved_uiout = 0xdf3b00 <def_uiout>
#34 0x000000000064ceab in gdb_main (args=args@entry=0x7fff124ec6e0) at
../../gdb/main.c:1252
No locals.
#35 0x00000000004709b5 in main (argc=<optimized out>, argv=<optimized out>) at
../../gdb/gdb.c:32
args = {argc = 2, argv = 0x7fff124ec7e8, interpreter_p = 0x898764
"console"}
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>From gdb-prs-return-18840-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 11:50:55 2015
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Subject: [Bug c++/16957] gdb segfaults when loading symbols in C++11-enabled
application
Date: Mon, 30 Nov 2015 11:50:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |7.10
--- Comment #12 from Pedro Alves <palves at redhat dot com> ---
Fixed, both master and 7.10 branch (IOW, fix will be part of 7.10.1)
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>From gdb-prs-return-18841-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 11:51:15 2015
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Subject: [Bug c++/16957] gdb segfaults when loading symbols in C++11-enabled
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Pedro Alves <palves at redhat dot com> changed:
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----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #13 from Pedro Alves <palves at redhat dot com> ---
Closing.
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>From gdb-prs-return-18842-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 11:55:45 2015
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Subject: [Bug c++/19306] New: Incorrect demangling of symbols with ABI tags
Date: Mon, 30 Nov 2015 11:55:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19306
Bug ID: 19306
Summary: Incorrect demangling of symbols with ABI tags
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
Target Milestone: ---
The symbol _ZNSt8ios_base7failureB5cxx11C1EPKcRKSt10error_code, which
appears in libstdc++, was being demangled as:
std::ios_base::failure[abi:cxx11]::cxx11(char const*, std::error_code const&)
That is clearly incorrect: std::ios_base::failure does not have a
method cxx11, and anyhow if you look closely at the mangled name you
will see that it is supposed to be a constructor.
The correct demangling is:
std::ios_base::failure[abi:cxx11]::failure(char const*, std::error_code
const&)
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>From gdb-prs-return-18843-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 11:56:10 2015
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Subject: [Bug c++/19306] Incorrect demangling of symbols with ABI tags
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |7.10
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Fixed in both master and 7.10 branch.
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>From gdb-prs-return-18844-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:01:43 2015
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Subject: [Bug c++/19307] New: Demangler bugs found with fuzz-testing
Date: Mon, 30 Nov 2015 12:01:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19307
Bug ID: 19307
Summary: Demangler bugs found with fuzz-testing
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
Target Milestone: ---
Mikhail Maltsev found some C++ demangler bugs (crashes, infinite recursion,
undefined behavior, etc.) with fuzz-testing:
https://gcc.gnu.org/ml/gcc-patches/2015-07/msg00395.html
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>From gdb-prs-return-18845-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:02:06 2015
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Subject: [Bug c++/19307] Demangler bugs found with fuzz-testing
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What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
Target Milestone|--- |7.10
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Fixes merged to master and 7.10 branch.
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>From gdb-prs-return-18846-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:15:26 2015
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Subject: [Bug c++/19308] New: Demangle C++ Transactional Memory TS (N4514)
symbols
Date: Mon, 30 Nov 2015 12:15:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19308
Bug ID: 19308
Summary: Demangle C++ Transactional Memory TS (N4514) symbols
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
Target Milestone: ---
GCC just gained support for the C++ Extensions for Transactional Memory TS
(N4514 [1]), but GDB doesn't know how to demangle the generated symbols.
E.g.,:
(gdb) demangle -l c++ _Z1fPDxFvvES0_
Can't demangle "_Z1fPDxFvvES0_"
(gdb)
Should be:
(gdb) demangle -l c++ _Z1fPDxFvvES0_
f(void (*)() transaction_safe, void (*)() transaction_safe)
(gdb)
[1] - http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4514.pdf
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>From gdb-prs-return-18847-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:28:00 2015
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Subject: [Bug c++/19308] Demangle C++ Transactional Memory TS (N4514) symbols
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----------------------------------------------------------------------------
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Fixed, master and 7.10 branch (for 7.10.1).
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>From gdb-prs-return-18848-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:38:35 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/19302] Cannot cross-build a fully functional native djgpp
gdb
Date: Mon, 30 Nov 2015 12:38:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Note that file is maintained on the gcc repo, by the gcc folks. We just import
it pristine into the binutils-gdb repo. That change seems to have been added
here:
https://gcc.gnu.org/ml/gcc-patches/2000-05/msg00907.html
I have no idea whether that is still really necessary.
OOC, are short filenames still a problem for anyone?
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>From gdb-prs-return-18849-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 12:40:55 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug build/19302] Cannot cross-build a fully functional native djgpp
gdb
Date: Mon, 30 Nov 2015 12:40:00 -0000
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
BTW, since this is the *_alias that is tweaked, I assume that configuring
instead with:
configure --{host,target}=djgpp --build=x86_64-unknown-linux-gnu
works around this.
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>From gdb-prs-return-18850-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 15:19:24 2015
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Subject: [Bug sim/19309] New: src/sim/aarch64/simulator.c: two bugs ?
Date: Mon, 30 Nov 2015 15:19:00 -0000
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Bug ID: 19309
Summary: src/sim/aarch64/simulator.c: two bugs ?
Product: gdb
Version: HEAD
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1.
[src/sim/aarch64/simulator.c:10922] -> [src/sim/aarch64/simulator.c:10922]:
(style) Same expression on both sides of '&&'.
Source code is
if (type != 0xE && type != 0xE && uimm (aarch64_get_instr (cpu), 21, 21) != 0)
HALT_NYI;
Might be a typo or maybe redundant code.
2.
[src/sim/aarch64/simulator.c:2910] -> [src/sim/aarch64/simulator.c:2914]:
(warning) Variable 'val1' is reassigned a value before the old one has been
used. 'break;' missing?
case 2:
val1 = ((input1 & 0xFFFFFFFF) | ((input1 >> 32) &
0xFFFFFFFF00000000ULL));
val2 = ((input2 & 0xFFFFFFFF) | ((input2 >> 32) &
0xFFFFFFFF00000000ULL));
case 3:
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>From gdb-prs-return-18851-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 18:21:32 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug exp/19312] New: incorrect evaluation of expression with
convenience variable
Date: Mon, 30 Nov 2015 18:21:00 -0000
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Bug ID: 19312
Summary: incorrect evaluation of expression with convenience
variable
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Consider this transcript:
(gdb) p $x = (void * ) 57
$3 = (void *) 0x39
(gdb) p $x
$4 = (void *) 0x39
(gdb) p $x + 7
$5 = (void *) 0x40
(gdb) p $x + 7 = 3
$6 = (void *) 0x3
(gdb) p $x
$7 = (void *) 0x3
Here, gdb somehow ignores the "+7" in the assignment and
sets $x to 3.
I would have expected a syntax error here instead.
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>From gdb-prs-return-18852-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 18:45:18 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug python/19314] New: unwinder API should accept int/long in
addition to Value
Date: Mon, 30 Nov 2015 18:45:00 -0000
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I'm writing an unwinder in Python.
I was getting this error from my unwinder:
ValueError: Bad register value
I tracked this down to this code in py-unwind.c:
if (pyo_reg_value == NULL
|| (value = value_object_to_value (pyo_reg_value)) == NULL)
{
PyErr_SetString (PyExc_ValueError, "Bad register value");
return NULL;
}
I think in addition to accepting a gdb.Value here, it would
be nice to accept a Python integer. In some cases it is more
convenient to retrieve an integer; in my case I am reading stack
memory using Inferior.read_memory, then converting it to an int
using the Python struct facility.
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>From gdb-prs-return-18853-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 19:57:02 2015
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug threads/14618] gdbserver, scheduler-locking, thread exits and
TARGET_WAITKIND_NO_RESUMED
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f4836ba964a96364f39c7eab8b8b2f8656d14d05
commit f4836ba964a96364f39c7eab8b8b2f8656d14d05
Author: Pedro Alves <palves@redhat.com>
Date: Mon Nov 30 16:05:24 2015 +0000
infrun: Fix TARGET_WAITKIND_NO_RESUMED handling in non-stop mode
Running the testsuite against gdbserver with "maint set target-non-stop on"
stumbled on a set of problems. See code comments for details.
This handles my concerns expressed in PR14618.
gdb/ChangeLog:
2015-11-30 Pedro Alves <palves@redhat.com>
PR 14618
* infrun.c (handle_no_resumed): New function.
(handle_inferior_event_1) <TARGET_WAITKIND_NO_RESUMED>: Defer to
handle_no_resumed.
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>From gdb-prs-return-18854-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 19:57:05 2015
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Subject: [Bug threads/14618] gdbserver, scheduler-locking, thread exits and
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--- Comment #7 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2faf941ae49653ff6e1485adfee299313d47c91
commit f2faf941ae49653ff6e1485adfee299313d47c91
Author: Pedro Alves <palves@redhat.com>
Date: Mon Nov 30 16:05:25 2015 +0000
Implement TARGET_WAITKIND_NO_RESUMED in the remote protocol
Testing with "maint set target-non-stop on" causes regressions in
tests that rely on TARGET_WAITKIND_NO_RESUMED, which isn't modelled on
the RSP. In real all-stop, gdbserver detects the situation and
reporst error to GDB, and so the tests (e.g.,
gdb.threads/no-unwaited-for-left.exp) at fail quickly. But with
"maint set target-non-stop on", GDB instead hangs forever waiting for
a stop reply that never comes, and so the tests take longer to time
out.
This adds a new "N" stop reply packet that maps 1-1 to
TARGET_WAITKIND_NO_RESUMED.
gdb/ChangeLog:
2015-11-30 Pedro Alves <palves@redhat.com>
PR 14618
* NEWS (New remote packets): Mention the N stop reply.
* remote.c (remote_protocol_features): Add "no-resumed" entry.
(remote_query_supported): Report no-resumed+ support.
(remote_parse_stop_reply): Handle 'N'.
(process_stop_reply): Handle TARGET_WAITKIND_NO_RESUMED.
(remote_wait_as): Handle 'N' / TARGET_WAITKIND_NO_RESUMED.
(_initialize_remote): Register "set/show remote
no-resumed-stop-reply" commands.
gdb/doc/ChangeLog:
2015-11-30 Pedro Alves <palves@redhat.com>
PR 14618
* gdb.texinfo (Stop Reply Packets): Document the N stop reply.
(Remote Configuration): Add the "set/show remote
no-resumed-stop-reply" to the available settings table.
(General Query Packets): Document the "no-resumed" qSupported
feature.
gdb/gdbserver/ChangeLog:
2015-11-30 Pedro Alves <palves@redhat.com>
PR 14618
* linux-low.c (linux_wait_1): If the last resumed thread is gone,
report TARGET_WAITKIND_NO_RESUMED.
* remote-utils.c (prepare_resume_reply): Handle
TARGET_WAITKIND_NO_RESUMED.
* server.c (report_no_resumed): New global.
(handle_query) <qSupported>: Handle "no-resumed+". Report
"no-resumed+" support.
(resume): When the target reports TARGET_WAITKIND_NO_RESUMED, only
return error if the client doesn't support no-resumed events.
(push_stop_notification): New function.
(handle_target_event): Use it. Report TARGET_WAITKIND_NO_RESUMED
events if the client supports them.
gdb/testsuite/ChangeLog:
2015-11-30 Pedro Alves <palves@redhat.com>
* gdb.threads/no-unwaited-for-left.exp: Remove setup_kfail calls.
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Subject: [Bug gdb/19316] New: binutils-gdb/gdb/remote.c:7752: missing call to
va_end ?
Date: Mon, 30 Nov 2015 21:23:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19316
Bug ID: 19316
Summary: binutils-gdb/gdb/remote.c:7752: missing call to va_end
?
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
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[binutils-gdb/gdb/remote.c:7752]: (error) va_list 'ap' was opened but not
closed by va_end().
Source code is
return packet_check_result (rs->buf);
}
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>From gdb-prs-return-18856-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Nov 30 22:06:08 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug threads/14618] gdbserver, scheduler-locking, thread exits and
TARGET_WAITKIND_NO_RESUMED
Date: Mon, 30 Nov 2015 22:06:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=14618
Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #8 from Pedro Alves <palves at redhat dot com> ---
This is now fixed. gdb.threads/no-unwaited-for-left.exp passes with gdbserver
too now.
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>From gdb-prs-return-18857-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 01 11:21:22 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/19318] New: "kill inferior N" and "detach inferior N"
commands shouldn't switch to inferior N
Date: Tue, 01 Dec 2015 11:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19318
Bug ID: 19318
Summary: "kill inferior N" and "detach inferior N" commands
shouldn't switch to inferior N
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
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This looks surprising:
(gdb) info inferiors
Num Description Executable
* 1 process 1662 foo
2 process 1671 bar
(gdb) detach inferior 2
Detaching from program: foo, process 1671
(gdb) info inferiors
Num Description Executable
1 process 1662 foo
* 2 <null> bar
(gdb)
I'd probably be more user friendly to stay with inferior 1 selected.
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>From gdb-prs-return-18858-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 01 13:39:38 2015
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Subject: [Bug c++/19320] New: RTTI symbols not found for non-type templates
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Bug ID: 19320
Summary: RTTI symbols not found for non-type templates
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Consider the following simple test case:
=== bug.cpp ==========
struct Base {
virtual ~Base() { }
virtual int getN()=0;
};
template <char N>
struct Child : Base {
virtual int getN() { return N; };
};
int main() {
Base *b = new Child<5>;
return b->getN();
}
======================
Then the following cleaned-up typescript illustrates the problem:
=== typescript ========
$ g++ -g bug.cpp
$ gdb a.out
GNU gdb (GDB) 7.8
Copyright (C) 2014 Free Software Foundation, Inc.
...
(gdb) b bug.cpp:11
Breakpoint 1 at 0x1004010ee: file bug.cpp, line 11.
(gdb) r
`/tmp/a.out' has changed; re-reading symbols.
Starting program: /tmp/a.out
Breakpoint 1, main () at bug.cpp:11
(gdb) set print object
(gdb) p *b
warning: RTTI symbol not found for class 'Child<(char)5>'
$1 = warning: RTTI symbol not found for class 'Child<(char)5>'
warning: RTTI symbol not found for class 'Child<(char)5>'
{_vptr.Base = 0x1004030f0 <vtable for Child<(char)5>+16>}
(gdb) whatis foo::Child^I^I
foo::Child<(char)foo::Child<(char)'\005'>
foo::Child<(char)foo::Child<(char)5>::Child()
foo::Child<(char)foo::Child<(char)5>::getN()
foo::Child<(char)foo::Child<(char)5>::~Child()
=======================
Changing the template parameter type to `unsigned char` produces:
(gdb) p *b
(gdb) p *b
warning: RTTI symbol not found for class 'Child<(unsigned char)5>'
$4 = warning: RTTI symbol not found for class 'Child<(unsigned char)5>'
warning: RTTI symbol not found for class 'Child<(unsigned char)5>'
{_vptr.Base = 0x1004030f0 <vtable for Child<(unsigned char)5>+16>}
(gdb) whatis Child<^I^I
Child<5u>
Child<(unsigned char)5>::Child()
Child<(unsigned char)5>::getN()
Child<(unsigned char)5>::~Child()
Changing to an enum produces:
Changing to a bare `int` produces the desired behavior:
(gdb) p *b
$2 = (Child<5>) {<Base> = {
_vptr.Base = 0x1004030f0 <vtable for Child<5>+16>}, <No data fields>}
As does a bare `unsigned int`:
(gdb) p *b
$3 = (Child<5u>) {<Base> = {
_vptr.Base = 0x1004030f0 <vtable for Child<5u>+16>}, <No data fields>}
As does an enum `foo`:
(gdb) p *b
$5 = (Child<(foo)5>) {<Base> = {
_vptr.Base = 0x1004030f0 <vtable for Child<(foo)5>+16>}, <No data fields>}
The type names given for members of of such a template class do seem to be
represented consistently.
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Subject: [Bug mi/19321] New: MI pretty printing -var-list-children segfaults
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Bug ID: 19321
Summary: MI pretty printing -var-list-children segfaults
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gdb 7.10 segfaults after deleting the varobj child of a vector with one
element.
The last part of the debugging session:
(gdb)
~"8\t v.push_back(3);\n"
*stopped,reason="end-stepping-range",frame={addr="0x0000000000400b35",func="main",args=[],file="pret
ty-printing.cc",fullname="/home/xavier/src/pyclewn/pyclewn-hg-working/testsuite/pretty-printing.cc",
line="8"},thread-id="1",stopped-threads="all",core="1"
(gdb)
-enable-pretty-printing
^done
(gdb)
-var-create var1 * "v"
^done,name="var1",numchild="0",value="{...}",type="std::vector<int,
std::allocator<int> >",thread-id
="1",displayhint="array",dynamic="1",has_more="1"
(gdb)
-var-list-children var1
^done,numchild="1",displayhint="array",children=[child={name="var1.[0]",exp="[0]",numchild="0",type=
"int",thread-id="1"}],has_more="0"
(gdb)
-var-delete var1.[0]
^done,ndeleted="1"
(gdb)
-var-list-children var1
Segmentation fault (core dumped)
And the source code:
#include <vector>
#include <string>
int main()
{
std::vector<int> v;
v.push_back(2);
v.push_back(3);
return 0;
}
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>From gdb-prs-return-18860-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 01 16:36:06 2015
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From: "smallayy at in dot ibm.com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/19271] mmap support for gdb
Date: Tue, 01 Dec 2015 16:36:00 -0000
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--- Comment #2 from sangamesh <smallayy at in dot ibm.com> ---
Anyone please take a look at it and let me know the view on this.
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>From gdb-prs-return-18861-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 02 06:21:29 2015
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From: "felix.von.s at posteo dot de" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/19302] Cannot cross-build a fully functional native djgpp
gdb
Date: Wed, 02 Dec 2015 06:21:00 -0000
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--- Comment #3 from felix <felix.von.s at posteo dot de> ---
It doesn't.
checking for djgpp-ar... no
checking for djgpp-as... no
checking for djgpp-dlltool... no
checking for djgpp-ld... no
checking for djgpp-lipo... no
checking for djgpp-nm... no
checking for djgpp-ranlib... no
checking for djgpp-strip... no
checking for djgpp-windres... no
checking for djgpp-windmc... no
checking for djgpp-objcopy... no
checking for djgpp-objdump... no
checking for djgpp-readelf... no
checking for djgpp-cc... no
checking for djgpp-gcc... no
[...]
And I end up with misset variables in the Makefile.
Long file names _may_ be a problem for that particular platform. DJGPP supports
the long file name API, but is not meant to require it.
What is "libsubdir" supposed to be anyway?
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>From gdb-prs-return-18862-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 02 10:12:36 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/19302] Cannot cross-build a fully functional native djgpp
gdb
Date: Wed, 02 Dec 2015 10:12:00 -0000
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--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
> It doesn't.
Yeah, I was assuming you'd configure/build gcc with --{host,target}=djgpp.
Then it would work.
> What is "libsubdir" supposed to be anyway?
As I said, that file is maintained on the gcc repo, by the gcc folks. So check
the gcc repo. Grepping for "^libsubdir ="' on the gcc repo's shows hits like:
fixincludes/Makefile.in:libsubdir =
$(libdir)/gcc/$(target_noncanonical)/$(gcc_version)
gcc/Makefile.in:libsubdir =
$(libdir)/gcc/$(real_target_noncanonical)/$(version)$(accel_dir_suffix)
libgcc/Makefile.in:libsubdir =
$(libdir)/gcc/$(real_host_noncanonical)/$(version)@accel_dir_suffix@
libjava/Makefile.am:libsubdir =
$(libdir)/gcc/$(target_noncanonical)/$(gcc_version)
libjava/Makefile.in:libsubdir =
$(libdir)/gcc/$(target_noncanonical)/$(gcc_version)
libobjc/Makefile.in:libsubdir =
$(libdir)/gcc/$(target_noncanonical)/$(gcc_version)
...
target_noncanonical here will be the same as target_alias, I think.
Seems to me that the real fix is to change these places to take djgpp's special
requirement in consideration, rather than hacking target_alias. To avoid ifs
all of the place, maybe pass around a new variable like e.g.,
"$target_libsubdir" that defaults to $target_noncanonical everywhere except
djgpp, which would override it to "djgpp".
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>From gdb-prs-return-18863-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 03 10:53:36 2015
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From: "orgads at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug threads/19324] New: Show thread name in "thread apply all"
Date: Thu, 03 Dec 2015 10:53:00 -0000
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Bug ID: 19324
Summary: Show thread name in "thread apply all"
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: threads
Assignee: unassigned at sourceware dot org
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It would be very useful to have the thread name in "thread apply"/"thread apply
all" similar to "info threads" output.
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>From gdb-prs-return-18864-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 03 18:21:03 2015
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Subject: [Bug python/19288] need a way to see if an address is covered by
some existing object
Date: Thu, 03 Dec 2015 18:21:00 -0000
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--- Comment #4 from Tom Tromey <tromey at sourceware dot org> ---
I was hoping to parse "info proc maps" because that would work with
an unpatched gdb 7.10. However, that fails from an unwinder
because info_proc_cmd_1 calls get_current_arch, which needs a frame.
I may try "remote get /proc/.../maps" instead, eww.
Or just require local debugging.
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>From gdb-prs-return-18865-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 03 18:47:09 2015
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From: "jmdrouhard at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug c++/16959] gdb hangs in infinite recursion
Date: Thu, 03 Dec 2015 18:47:00 -0000
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John Drouhard <jmdrouhard at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jmdrouhard at gmail dot com
Version|7.6 |7.10
--- Comment #2 from John Drouhard <jmdrouhard at gmail dot com> ---
I believe this is still an issue in 7.10. I am going to include a different
form of reproduceable than the original report has, and might actually indicate
a different bug. They are strikingly similar, though, so I'll include it here
first.
This form only reproduces the issue when using a typedef as the declared type
for the static member variable. It does NOT exhibit the issue if using the
class type explicitly. Using the typedef becomes desirable when class types
have multiple template parameters. See below:
class A {
typedef A type;
public:
bool operator==(const type& other) { return true; }
#ifdef SHOW_BUG
static const type INSTANCE;
#else
static const A INSTANCE;
#endif
};
const A A::INSTANCE;
int main() {
A a;
if (a == A::INSTANCE) {
return -1;
}
return 0;
}
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>From gdb-prs-return-18866-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 04 15:17:21 2015
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From: "tgrabiec at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19330] New: demangler failed with signal 11
Date: Fri, 04 Dec 2015 15:17:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19330
Bug ID: 19330
Summary: demangler failed with signal 11
Product: gdb
Version: 7.9
Status: NEW
Severity: critical
Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
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GDB fails when trying to debug an ELF executable:
$ gdb --args build/release/tests/batchlog_manager_test_g
GNU gdb (GDB) Fedora 7.9.1-20.fc22
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from
build/release/tests/batchlog_manager_test_g...../../gdb/cp-support.c:1583:
demangler-warning: unable to demangle
'_ZN8futurizeI13frozen_schemaE5applyIRZN7seastar7shardedIN7service13storage_proxyEE9invoke_onIZZNS6_22init_messaging_serviceEvENKUljN5utils4UUIDEE8_clEjSA_EUlOT_E_6futureIJS0_EEEET0_jSD_EUlvE_JEEESG_SD_DpOT0_'
(demangler failed with signal 11)
Attempting to dump core.
../../gdb/cp-support.c:1596: demangler-warning: unable to demangle
'_ZN8futurizeI13frozen_schemaE5applyIRZN7seastar7shardedIN7service13storage_proxyEE9invoke_onIZZNS6_22init_messaging_serviceEvENKUljN5utils4UUIDEE8_clEjSA_EUlOT_E_6futureIJS0_EEEET0_jSD_EUlvE_JEEESG_SD_DpOT0_'
(demangler failed with signal 11)
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n)
I can provide the core dump on request.
The backtrace is at least thousands frames long and seem to recurse:
(gdb) bt
#0 0x00007face31e3a98 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:55
#1 0x00007face31e572a in __GI_abort () at abort.c:89
#2 0x000000000070d8c6 in dump_core () at ../../gdb/utils.c:577
#3 0x000000000071d2bc in gdb_demangle_signal_handler (signo=11) at
../../gdb/cp-support.c:1504
#4 <signal handler called>
#5 0x000000000085a8c9 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce747f8)
at ../../libiberty/cp-demangle.c:4309
#6 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#7 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74828)
at ../../libiberty/cp-demangle.c:4347
#8 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#9 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce748b8)
at ../../libiberty/cp-demangle.c:4347
#10 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#11 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce748b8) at ../../libiberty/cp-demangle.c:5596
#12 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c679580,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#13 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c679580,
dc=0x7fff5ce74900) at ../../libiberty/cp-demangle.c:5666
#14 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74900)
at ../../libiberty/cp-demangle.c:4850
#15 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#16 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74918)
at ../../libiberty/cp-demangle.c:4457
#17 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#18 0x000000000085ee20 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c679910,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5494
#19 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c679910,
dc=0x7fff5ce74a80) at ../../libiberty/cp-demangle.c:5666
#20 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74a80)
at ../../libiberty/cp-demangle.c:4850
#21 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
---Type <return> to continue, or q <return> to quit---
#22 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74a98)
at ../../libiberty/cp-demangle.c:4457
#23 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#24 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b10)
at ../../libiberty/cp-demangle.c:4347
#25 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#26 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#27 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#28 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#29 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#30 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#31 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67a080,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#32 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67a080,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#33 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#34 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#35 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#36 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#37 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#38 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#39 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#40 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#41 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
---Type <return> to continue, or q <return> to quit---
at ../../libiberty/cp-demangle.c:4965
#42 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#43 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#44 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#45 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#46 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#47 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#48 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#49 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#50 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#51 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#52 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67ad50,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#53 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67ad50,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#54 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#55 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#56 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#57 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#58 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#59 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#60 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
---Type <return> to continue, or q <return> to quit---
#61 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#62 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#63 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#64 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#65 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#66 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#67 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#68 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#69 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#70 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#71 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#72 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#73 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67ba20,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#74 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67ba20,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#75 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#76 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#77 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#78 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#79 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#80 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
---Type <return> to continue, or q <return> to quit---
at ../../libiberty/cp-demangle.c:5383
#81 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#82 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#83 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#84 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#85 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#86 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#87 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#88 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#89 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#90 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#91 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#92 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#93 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#94 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67c6f0,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#95 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67c6f0,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#96 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#97 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#98 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#99 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
---Type <return> to continue, or q <return> to quit---
#100 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#101 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#102 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#103 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#104 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#105 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#106 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#107 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#108 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#109 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#110 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#111 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#112 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#113 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#114 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#115 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67d3c0,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#116 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67d3c0,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#117 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#118 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#119 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
---Type <return> to continue, or q <return> to quit---
at ../../libiberty/cp-demangle.c:4457
#120 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#121 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#122 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#123 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#124 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#125 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#126 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#127 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#128 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#129 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#130 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#131 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#132 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#133 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#134 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#135 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#136 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67e090,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#137 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67e090,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#138 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
---Type <return> to continue, or q <return> to quit---
#139 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#140 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#141 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#142 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#143 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#144 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#145 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#146 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#147 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#148 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#149 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#150 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#151 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#152 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#153 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#154 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#155 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#156 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#157 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67ed60,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#158 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67ed60,
---Type <return> to continue, or q <return> to quit---
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#159 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#160 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#161 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#162 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#163 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#164 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#165 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#166 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#167 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#168 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#169 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#170 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#171 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#172 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#173 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#174 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#175 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#176 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#177 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
---Type <return> to continue, or q <return> to quit---
#178 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c67fa30,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#179 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c67fa30,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#180 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#181 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#182 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#183 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#184 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#185 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#186 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#187 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#188 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#189 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#190 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#191 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#192 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#193 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#194 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#195 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#196 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
---Type <return> to continue, or q <return> to quit---
#197 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#198 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#199 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c680700,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#200 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c680700,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#201 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#202 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#203 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#204 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#205 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#206 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#207 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#208 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#209 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#210 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#211 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#212 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#213 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#214 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#215 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74b28)
at ../../libiberty/cp-demangle.c:4965
#216 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
---Type <return> to continue, or q <return> to quit---
at ../../libiberty/cp-demangle.c:5383
#217 0x000000000085bc23 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, dc=0x7fff5ce74bb8)
at ../../libiberty/cp-demangle.c:4516
#218 0x000000000085e606 in d_print_comp (dc=<optimized out>, options=<optimized
out>, dpi=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#219 d_print_mod (dpi=dpi@entry=0x7fff5ce73f00, options=options@entry=259,
mod=0x7fff5ce74bb8) at ../../libiberty/cp-demangle.c:5596
#220 0x000000000085ed97 in d_print_mod_list (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=mods@entry=0x7fff5c6813d0,
suffix=suffix@entry=0) at ../../libiberty/cp-demangle.c:5525
#221 0x000000000085f4d1 in d_print_function_type (dpi=dpi@entry=0x7fff5ce73f00,
options=options@entry=259, mods=0x7fff5c6813d0,
dc=0x7fff5ce74c30) at ../../libiberty/cp-demangle.c:5666
#222 0x000000000085c071 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74c30)
at ../../libiberty/cp-demangle.c:4850
#223 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#224 0x000000000085d937 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74c48)
at ../../libiberty/cp-demangle.c:4457
#225 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#226 0x000000000085be56 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ca8)
at ../../libiberty/cp-demangle.c:4347
#227 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#228 0x000000000085b769 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74cc0)
at ../../libiberty/cp-demangle.c:4784
#229 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#230 0x000000000085b4a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=0x7fff5ce74ae0)
at ../../libiberty/cp-demangle.c:4965
#231 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#232 0x000000000085c8a3 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=<optimized out>, dc=0x7fff5ce74af8)
at ../../libiberty/cp-demangle.c:5348
#233 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:5383
#234 0x000000000085bea5 in d_print_comp_inner (dpi=dpi@entry=0x7fff5ce73f00,
options=259, dc=<optimized out>)
at ../../libiberty/cp-demangle.c:4361
#235 0x000000000085e4f4 in d_print_comp (dpi=0x7fff5ce73f00, options=<optimized
out>, dc=<optimized out>)
...
--
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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/19330] demangler failed with signal 11
Date: Fri, 04 Dec 2015 15:56:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19330
Markus Trippelsdorf <markus at trippelsdorf dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |markus at trippelsdorf dot de
--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
You should report this issue on the gcc bugzilla, because libiberty
(demangler) is maintained there.
markus@x4 libiberty % ./a.out
_ZN8futurizeI13frozen_schemaE5applyIRZN7seastar7shardedIN7service13storage_proxyEE9invoke_onIZZNS6_22init_messaging_serviceEvENKUljN5utils4UUIDEE8_clEjSA_EUlOT_E_6futureIJS0_EEEET0_jSD_EUlvE_JEEESG_SD_DpOT0_
typed name
template
qualified name
template
name 'futurize'
template argument list
name 'frozen_schema'
name 'apply'
template argument list
reference
local name
typed name
template
qualified name
template
qualified name
name 'seastar'
name 'sharded'
template argument list
qualified name
name 'service'
name 'storage_proxy'
name 'invoke_on'
template argument list
local name
typed name
local name
typed name
qualified name
qualified name
name 'service'
name 'storage_proxy'
name 'init_messaging_service'
function type
argument list
const this
qualified name
lambda 9
argument list
builtin type unsigned int
argument list
qualified name
name 'utils'
name 'UUID'
operator ()
function type
argument list
builtin type unsigned int
argument list
qualified name
name 'utils'
name 'UUID'
lambda 0
argument list
rvalue reference
template parameter 0
template argument list
template
name 'future'
template argument list
template argument list
name 'frozen_schema'
function type
template parameter 1
argument list
builtin type unsigned int
argument list
template parameter 0
lambda 0
argument list
template argument list
template argument list
function type
local name
typed name
local name
typed name
qualified name
qualified name
name 'service'
name 'storage_proxy'
name 'init_messaging_service'
function type
argument list
const this
qualified name
lambda 9
argument list
builtin type unsigned int
argument list
qualified name
name 'utils'
name 'UUID'
operator ()
function type
argument list
builtin type unsigned int
argument list
qualified name
name 'utils'
name 'UUID'
lambda 0
argument list
rvalue reference
template parameter 0
argument list
template parameter 0
argument list
pack expansion
rvalue reference
template parameter 1
ASAN:SIGSEGV
=================================================================
==6445==ERROR: AddressSanitizer: stack-overflow on address 0x7fff9b10bf48 (pc
0x0000004046fd bp 0x0ffff3621838 sp 0x7fff9b10bf40 T0)
./a.out: symbol lookup error:
/usr/lib/gcc/x86_64-pc-linux-gnu/5.3.1/libasan.so.2: undefined symbol:
__asan_cplus_demangle_v3_callback
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>From gdb-prs-return-18869-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 04 17:28:07 2015
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Subject: [Bug exp/16240] handle __builtin_offsetof
Date: Fri, 04 Dec 2015 17:28:00 -0000
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--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
*** Bug 19111 has been marked as a duplicate of this bug. ***
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Subject: [Bug gdb/19111] syntax error on offsetof
Date: Fri, 04 Dec 2015 17:28:00 -0000
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--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
Dup.
*** This bug has been marked as a duplicate of bug 16240 ***
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>From gdb-prs-return-18870-listarch-gdb-prs=sources.redhat.com@sourceware.org Sat Dec 05 20:12:32 2015
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From: "amirgeva at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug c++/19333] New: Inconsistent printing for pointers
Date: Sat, 05 Dec 2015 20:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19333
Bug ID: 19333
Summary: Inconsistent printing for pointers
Product: gdb
Version: 7.10
Status: NEW
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Priority: P2
Component: c++
Assignee: unassigned at sourceware dot org
Reporter: amirgeva at gmail dot com
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Consider the following short program:
#include <map>
int main(int argc, char* argv[])
{
int i=5;
int* p=&i;
std::map<int,int*> m;
m[3]=p;
return 0;
}
If I break on the last line (return 0;) and do the following:
(gdb) print p
$1 = (int *) 0xbffff12c
(gdb) print m
$2 = std::map with 1 elements = {[3] = 0xbffff12c}
Notice that the pointer type information is stripped. Obviously with a simple
map type that's not a real problem, but in large programs with nested data
structures, not having this information can be a problem.
I investigated this and found there are 2 C value print functions (in
c-valprint.c), c_value_print which does print the type, and c_val_print which
is used from the pretty printer and doesn't print the type.
I also found that if I comment out the call to val_print in valprint.c:860 and
replace it with the call to:
LA_VALUE_PRINT (val, stream, options);
I get this problem resolved.
It's not clear why there would be two functions doing basically the same thing,
just with some small differences, but I don't have means to check how such a
change affects other scenarios / languages.
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>From gdb-prs-return-18871-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 06 00:21:17 2015
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From: "mattator at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19335] New: Environement variable in debugged program
different than the one displayed by "show env"
Date: Sun, 06 Dec 2015 00:21:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19335
Bug ID: 19335
Summary: Environement variable in debugged program different
than the one displayed by "show env"
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: mattator at gmail dot com
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Hi,
I am running GNU gdb (Ubuntu 7.10-1ubuntu2) 7.10 on ubuntu 15.10.
For some reason, gdb doesn't seem to pass the correct environement variables to
the application being debugged.
In my shell I first export
DCE_PATH="/home/teto/mptcpoff:/home/teto/iproute2/ip:/home/teto/iperf3/src:/home/teto/iperf2/src".
Then I start gdb via a python script that modifies DCE_PATH and launches gdb
via
proc = subprocess.Popen(argv, env=proc_env, cwd=cwd, stderr=subprocess.PIPE)
Once in gdb, I do $show env DCE_PATH and it displays the correct value, the one
I want to run my program with:
DCE_PATH =
/home/teto/mptcpoff:/home/teto/iproute2/ip:/home/teto/iperf3/src:/home/teto/iperf2/src:/home/teto/dce/build/bin_dce:/home/teto/ns3off/install/sbin:/home/teto/ns3off/install/bin_dce:/usr/lib/gcc/x86_64-linux-gnu/5:/usr/local/lib::/home/teto/dce/build/lib:/home/teto/dce/build/lib64:/home/teto/dce/build/bin:/home/teto/ns3off/install/lib:/home/teto/ns3off/install/lib64:/home/teto/ns3off/install/bin
Now somewhere in my program I do:
char *c = getenv ("DCE_PATH");
NS_LOG_UNCOND("SearchExecFile setting DCE_PATH to " << c);
and when launched in gdb, it returns:
"== New SearchPath
:/home/teto/mptcpoff:/home/teto/iproute2/ip:/home/teto/iperf3/src:/home/teto/iperf2/src"
that is the original (unmodified) value of DCE_PATH in my shell.
Here is some more context:
https://github.com/direct-code-execution/ns-3-dce/issues/18
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>From gdb-prs-return-18872-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 06 00:24:18 2015
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Subject: [Bug gdb/19335] Environement variable in debugged program different
than the one displayed by "show env"
Date: Sun, 06 Dec 2015 00:24:00 -0000
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mattator at gmail dot com <mattator at gmail dot com> changed:
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>From gdb-prs-return-18873-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 06 13:04:17 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19335] Environement variable in debugged program different
than the one displayed by "show env"
Date: Sun, 06 Dec 2015 13:04:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
GDB actually execs the shell to run the program and your shell's init script
(e.g., ~/.bashrc, if you're using bash) is setting DCE_PATH back again.
Please see this:
https://sourceware.org/gdb/onlinedocs/gdb/Starting.html
particularly the part about "set startup-with-shell".
and here:
https://sourceware.org/gdb/onlinedocs/gdb/Environment.html
particularly the part about "set environment".
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>From gdb-prs-return-18874-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 06 21:38:46 2015
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From: "mattator at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19335] Environement variable in debugged program different
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Date: Sun, 06 Dec 2015 21:38:00 -0000
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--- Comment #2 from mattator at gmail dot com <mattator at gmail dot com> ---
Fantastic that was it !
I knew something was fishy but was getting crazy and couldn't believe it was a
gdb bug. In fact it's a feature and I will follow the advice in
https://sourceware.org/gdb/onlinedocs/gdb/Environment.html , i.e. move it to
.login.
Many thanks for the prompt answer and sorry for wrongly criticizing gdb :'(
You can close this
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>From gdb-prs-return-18875-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 07 15:53:35 2015
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Subject: [Bug record/19340] New: Assert hit after stopping recording while in
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https://sourceware.org/bugzilla/show_bug.cgi?id=19340
Bug ID: 19340
Summary: Assert hit after stopping recording while in bts
replay mode
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: record
Assignee: unassigned at sourceware dot org
Reporter: marc.khouzam at ericsson dot com
Target Milestone: ---
If I record in 'btrace bts' mode, do some reverse steps then stop recording,
GDB asserts. See below for small session. This does not happen in 'record
full'. I wasn't able to try it in 'btrace pt'.
According to the doc, this should be possible, although I'm not sure if I
should expect the process to become "live" exactly where the replay is
situated, or jump to the end of the replay log before becoming "live".
Reading the GDB doc I saw at:
https://sourceware.org/gdb/current/onlinedocs/gdb/Process-Record-and-Replay.html#Process-Record-and-Replay
"if the process record and replay target is stopped while in replay mode [...],
the inferior process will become “live” at that earlier state, and it will then
be possible to continue the usual “live” debugging of the process from that
state."
SESSION:
> gdb.master
GNU gdb (GDB) 7.10.50.20151207-cvs
[...]
(gdb) start
[...]
225 int main(int argc, char **argv) {
(gdb) record btrace bts
(gdb) n
234 int step = secondScope(firstScope()) + samename();
(gdb) n
236 step++;
(gdb) rn
234 int step = secondScope(firstScope()) + samename();
(gdb) record stop
Process record is stopped and all execution logs are deleted.
(gdb) n
../../gdb/infrun.c:2742: internal-error: resume: Assertion
`pc_in_thread_step_range (pc, tp)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) y
This is a bug, please report it. For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.
../../gdb/infrun.c:2742: internal-error: resume: Assertion
`pc_in_thread_step_range (pc, tp)' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) y
Abort (core dumped)
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From: "marc.khouzam at ericsson dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug record/19340] Assert hit after stopping recording while in bts
replay mode
Date: Mon, 07 Dec 2015 15:55:00 -0000
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--- Comment #1 from Marc Khouzam <marc.khouzam at ericsson dot com> ---
If I do a 'record goto end' before doing the 'record stop' things work.
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Subject: [Bug shlibs/19342] New: gdb/symfile.c:974: internal-error:
sect_index_text not initialized
Date: Mon, 07 Dec 2015 21:02:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19342
Bug ID: 19342
Summary: gdb/symfile.c:974: internal-error: sect_index_text not
initialized
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
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gdb-7.8 and newer crash when attaching or loading any executable linked against
libicu. It turns out the latter pulls in a subtly malformed libicudata.so that
has been generated manually from a raw .s file
(http://bugs.icu-project.org/trac/ticket/12026) but gdb should probably not seg
fault just because of that.
NOTE: this bug is very similar to Bug 7396 and Bug 9184, but not exactly the
same. Plus, those bugs are for ancient versions of gdb.
=== bug.c =======
#include <stdio.h>
extern long icudt53_dat;
int main() { return printf("hello world: %lx\n", icudt53_dat); }
=================
The above should print "hello world: 0x1427da0080" and produce a non-zero exit
code.
$ gcc -Wall -g -licudata bug.c -o a.out
$ gdb-7.10 a.out
GNU gdb (GDB) 7.10
... <snip> ...
Reading symbols from /home/ryan/experiments/a.out...done.
(gdb) r
Starting program: /home/ryan/experiments/a.out
../../gdb-7.10/gdb/symfile.c:974: internal-error: sect_index_text not
initialized
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) y
This is a bug, please report it. For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.
../../gdb-7.10/gdb/symfile.c:974: internal-error: sect_index_text not
initialized
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Create a core file of GDB? (y or n) n
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/18702] FPU registers with exponent values exceeding those
of float64 are shown as 0 or inf
Date: Wed, 09 Dec 2015 12:19:00 -0000
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--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b593e3d9b00b09af43abf1e95d68e68200e3c2a5
commit b593e3d9b00b09af43abf1e95d68e68200e3c2a5
Author: Ruslan Kabatsayev <b7.10110111@gmail.com>
Date: Wed Dec 9 12:17:40 2015 +0000
Fix wrong output of x87 registers due to truncation to double on amd64
When `info float` is used on an AMD64 system, GDB prints
floating-point values of x87 registers with raw contents like
0x361a867a8e0527397ce0 or 0xc4f988454a1ddd3cfdab wrongly.
This happens due to truncation to double, after which the former
becomes 0.0, and the latter becomes negative infinity. This is caused
by failed detection of x86-64 host, which results in setting
gdb_host_{float,double,long_double}_format to zeros.
This commit fixes this misdetection, and adds a test to make sure
future commits don't introduce a regression here.
gdb/ChangeLog:
2015-12-09 Ruslan Kabatsayev <b7.10110111@gmail.com>
PR gdb/18702
* configure.host: Fix detection of x86_64 host when setting
floatformats.
gdb/testsuite/ChangeLog:
2015-12-09 Ruslan Kabatsayev <b7.10110111@gmail.com>
Pedro Alves <pedro@redhat.com>
PR gdb/18702
Add checking of floatformats setup on x86_64 hosts.
* gdb.arch/i386-float.S (main): Load bigval and smallval.
(smallval, bigval): New labels/constants.
* gdb.arch/i386-float.exp: Use with_test_prefix and test "info
float" after loading bigval and smallval.
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Subject: [Bug gdb/18702] FPU registers with exponent values exceeding those
of float64 are shown as 0 or inf
Date: Wed, 09 Dec 2015 12:25:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |FIXED
--- Comment #6 from Pedro Alves <palves at redhat dot com> ---
Fixed.
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Subject: [Bug build/9422] Libiberty still installed even configuring with
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Subject: [Bug threads/19354] New: "info threads" error with multiple
inferiors
Date: Thu, 10 Dec 2015 15:49:00 -0000
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Bug ID: 19354
Summary: "info threads" error with multiple inferiors
Product: gdb
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If you have an inferior running, switch to another inferior, one that is NOT
running yet, and do "info threads", you get back and error.
Vis:
$ gdb a.out
GNU gdb (GDB) 7.10.50.20151210-cvs
...
(gdb) start
Temporary breakpoint 1 at 0x40073e: file test.c, line 40.
Starting program: a.out
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Temporary breakpoint 1, main () at test.c:40
40 long i = 0;
(gdb) add-inferior
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) info threads
Cannot find new threads: generic error
(gdb)
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Subject: [Bug gdb/19361] New: Invalid comparison functions
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https://sourceware.org/bugzilla/show_bug.cgi?id=19361
Bug ID: 19361
Summary: Invalid comparison functions
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: tetra2005 at gmail dot com
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Created attachment 8846
--> https://sourceware.org/bugzilla/attachment.cgi?id=8846&action=edit
Proposed patch
Comparison functions qsort_cmp and compare_processes (used in qsort) do not
obey to standard symmetry requirements which causes undefined behavior. The
latter may result in strange runtime bugs.
Compare_processes fails to properly compare process group leaders which is
probably a serious problem (e.g. resulting in invalid sort).
Qsort_cmp fails to produce proper result when comparing same element. Sane
qsort implementation probably don't call comparison callback on same element so
this may not be a big problem in practice.
I've attached simple patches which correct both errors.
Bugs were found with SortChecker tool (https://github.com/yugr/sortcheck).
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>From gdb-prs-return-18883-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 14 05:42:03 2015
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Yuri Gribov <tetra2005 at gmail dot com> changed:
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>From gdb-prs-return-18884-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 11:29:06 2015
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Subject: [Bug fortran/19208] SIGSEV while opening Fortran program compiled
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Jonas Hahnfeld <hahnjo at hahnjo dot de> changed:
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--- Comment #2 from Jonas Hahnfeld <hahnjo at hahnjo dot de> ---
Is anyone at least reading the bug reports?
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>From gdb-prs-return-18885-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 18:41:50 2015
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Subject: [Bug remote/13584] fork support in the remote protocol
Date: Tue, 15 Dec 2015 18:41:00 -0000
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--- Comment #8 from Don Breazeal <donbreazeal at gmail dot com> ---
This is now complete for both target extended-remote and target remote.
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>From gdb-prs-return-18886-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 18:43:37 2015
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Subject: [Bug gdb/19335] Environement variable in debugged program different
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
No worries. :-)
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>From gdb-prs-return-18887-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 19:24:10 2015
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Subject: [Bug gdb/19365] New: gdb record fail to recognize vmovdqa avx
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Date: Tue, 15 Dec 2015 19:24:00 -0000
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Bug ID: 19365
Summary: gdb record fail to recognize vmovdqa avx instruction.
Product: gdb
Version: 7.10
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Following are step to reproduce this issue. Use AVX machine and gdb version
7.10 to reproduce this issue.
$ cat x.c
#include<stdio.h>
#include<string.h>
main()
{
printf("%d",strcasecmp("0","0"));
}
# Compile
$ gcc --version
gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
$ gcc x.c
$ gdb --version
GNU gdb (GDB) 7.10
Copyright (C) 2015 Free Software Foundation, Inc.
$ gdb a.out
(gdb) b main
Breakpoint 1 at 0x40058a
(gdb) run
Starting program: /local/lab_dss/a.out
Breakpoint 1, 0x000000000040058a in main ()
(gdb) record full
(gdb) c
Continuing.
Process record does not support instruction 0xc5 at address 0x7ffff7b6062f.
(null)Process record: failed to record execution log.
[process 22205] #1 stopped.
0x00007ffff7b6062f in __strcasecmp_l_avx () from /lib64/libc.so.6
(gdb) disass
Dump of assembler code for function __strcasecmp_l_avx:
0x00007ffff7b60610 <+0>: mov (%rdx),%rax
0x00007ffff7b60613 <+3>: testl $0x1,0x278(%rax)
0x00007ffff7b6061d <+13>: jne 0x7ffff7ac3920 <__strcasecmp_l_nonascii>
0x00007ffff7b60623 <+19>: mov %esi,%ecx
0x00007ffff7b60625 <+21>: mov %edi,%eax
0x00007ffff7b60627 <+23>: and $0x3f,%rcx
0x00007ffff7b6062b <+27>: and $0x3f,%rax
=> 0x00007ffff7b6062f <+31>: vmovdqa 0x45e49(%rip),%xmm4 #
0x7ffff7ba6480
0x00007ffff7b60637 <+39>: vmovdqa 0x45e61(%rip),%xmm5 #
0x7ffff7ba64a0
0x00007ffff7b6063f <+47>: vmovdqa 0x45e19(%rip),%xmm6 #
0x7ffff7ba6460 <blanks>
0x00007ffff7b60647 <+55>: cmp $0x30,%ecx
0x00007ffff7b6064a <+58>: ja 0x7ffff7b606b0 <__strcasecmp_l_avx+160>
0x00007ffff7b6064c <+60>: cmp $0x30,%eax
0x00007ffff7b6064f <+63>: ja 0x7ffff7b606b0 <__strcasecmp_l_avx+160>
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>From gdb-prs-return-18888-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 19:34:24 2015
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Subject: [Bug gdb/19365] gdb record fail to recognize vmovdqa avx
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H.J. Lu <hjl.tools at gmail dot com> changed:
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>From gdb-prs-return-18889-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 20:27:52 2015
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Subject: [Bug gdb/19365] gdb record fail to recognize vmovdqa avx
instruction.
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--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
AVX instructions are
2f: c5 f9 6f 25 00 00 00 00 vmovdqa 0x0(%rip),%xmm4
# 37 <__strcasecmp_l_avx+0x27>
37: c5 f9 6f 2d 00 00 00 00 vmovdqa 0x0(%rip),%xmm5
# 3f <__strcasecmp_l_avx+0x2f>
3f: c5 f9 6f 35 00 00 00 00 vmovdqa 0x0(%rip),%xmm6
# 47 <__strcasecmp_l_avx+0x37>
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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/19365] gdb record fail to recognize vmovdqa avx
instruction.
Date: Tue, 15 Dec 2015 20:31:00 -0000
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--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Apparent, none of AVX instructions are supported.
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>From gdb-prs-return-18891-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 15 23:52:38 2015
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From: "phantall at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/8527] Solaris only - ^C fails to stop inferior process that
was attached
Date: Tue, 15 Dec 2015 23:52:00 -0000
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--- Comment #5 from phantall at gmail dot com ---
This is still an issue in Solaris 10 (I'm on sparc, but the same seems to be
true on x86). I built with gcc 4.9.2. My configuration string is at the
bottom of my comment.
I can successfully attach/resume/interrupt if the process was started in the
same terminal I run gdb from.
However, if the process was started from a separate terminal or has no
controlling terminal then I cannot interrupt after I resume execution unless I
manually `kill -2` the debugged process.
I made the change to proc_wait_for_stop suggested 12 years ago and it appears
to resolve the problem.
Here's my configure string:
> $ echo $SHELL
> /bin/bash
> $ echo $BASH_VERSION
> 4.2.45(1)-release
> $ echo $PATH
> /path/to/gcc4.9.2:/opt/csw/gnu:/usr/bin:/bin:/usr/sbin:/sbin:/usr/ucb:/usr/ccs/bin
> $ echo $LD_LIBRARY_PATH
>
> $ mkdir -p /tmp/gdb/build
> $ cd /tmp/gdb
> $ tar xf ~/Downloads/gdb-7.10.tar.gz
> $ cd build
> $ ../gdb-7.10/configure --prefix=/tmp/gdb/install CC=gcc CXX=g++ --with-python --disable-largefile --without-system-readline --enable-64-bit-bfd --enable-tui --with-expat --with-x --with-libexpat-prefix=/opt/csw LDFLAGS='-Wl,-L/opt/csw/lib -Wl,-R/opt/csw/lib'
> /* snip */
> $ gmake -j16
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>From gdb-prs-return-18892-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:08:54 2015
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From: "phantall at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug gdb/9127] gdb hangs on command kill on Solaris10 edition 10/05
Date: Wed, 16 Dec 2015 00:08:00 -0000
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--- Comment #5 from phantall at gmail dot com ---
I believe you can close this as resolved. According to this post:
https://community.oracle.com/thread/2020901
... the problem was resolved with a system patch.
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>From gdb-prs-return-18894-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:11:50 2015
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Subject: [Bug tdep/17521] On Windows-x86_64 GDB runs into infinite loop when
entering small functions generated by RUSTC/LLVM
Date: Wed, 16 Dec 2015 00:11:00 -0000
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>From gdb-prs-return-18893-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:11:33 2015
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
processes on Solaris
Date: Wed, 16 Dec 2015 00:11:00 -0000
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--- Comment #1 from phantall at gmail dot com ---
This is still an issue on Solaris 10.
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>From gdb-prs-return-18896-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:12:12 2015
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Subject: [Bug tdep/17400] buglet in rs6000-tdep.c:skip_prologue
Date: Wed, 16 Dec 2015 00:12:00 -0000
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>From gdb-prs-return-18895-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:12:01 2015
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From: "phantall at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug tdep/10548] Segmentation error due to incomplete initialisation
in sparc-tdep.c
Date: Wed, 16 Dec 2015 00:12:00 -0000
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>From gdb-prs-return-18898-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:18:41 2015
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Subject: [Bug tdep/17400] buglet in rs6000-tdep.c:skip_prologue
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Subject: [Bug tdep/17400] buglet in rs6000-tdep.c:skip_prologue
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>From gdb-prs-return-18899-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:19:14 2015
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Subject: [Bug tdep/10548] Segmentation error due to incomplete initialisation
in sparc-tdep.c
Date: Wed, 16 Dec 2015 00:19:00 -0000
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>From gdb-prs-return-18900-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:19:53 2015
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Subject: [Bug tdep/17521] On Windows-x86_64 GDB runs into infinite loop when
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>From gdb-prs-return-18901-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:22:13 2015
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Subject: [Bug gdb/11885] Unkown symbol format 'elf32-sparc'
Date: Wed, 16 Dec 2015 00:22:00 -0000
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--- Comment #9 from phantall at gmail dot com ---
I'm able to build gdb 7.10 successfully in Solaris 10/sparc. I don't see these
errors anymore.
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>From gdb-prs-return-18902-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 00:28:58 2015
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
processes on Solaris
Date: Wed, 16 Dec 2015 00:28:00 -0000
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--- Comment #2 from phantall at gmail dot com ---
(In reply to phantall from comment #1)
> This is still an issue on Solaris 10.
I left out some details:
* sparc
* gdb 7.10
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>From gdb-prs-return-18903-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 02:27:58 2015
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
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--- Comment #3 from phantall at gmail dot com ---
I was able to fix this with a hack. I imagine someone who knows the gdb src
tree would be able to get this fixed in a more generic manner.
I added a new function in sparc-sol2-nat.c that's identical to
Linux_proc_pid_to_exec_file in gdb/nat/Linux-procfs.c, with the following
changes:
> static char* solaris_proc_pid_to_exec_file( struct target_ops *self, int pid ) {
> /*...*/
> xsnprintf( name, PATH_MAX, "/proc/%d/path/a.out", pid );
Then in _initialize_sparc_sol2_nat I added the new function:
> t = procfs_target ();
> t->to_pid_to_exec_file = solaris_proc_pid_to_exec_file;
This resolves the problem.
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>From gdb-prs-return-18904-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 10:42:52 2015
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Subject: [Bug gdb/9127] gdb hangs on command kill on Solaris10 edition 10/05
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--- Comment #6 from Pedro Alves <palves at redhat dot com> ---
> https://community.oracle.com/thread/2020901
That's:
"Can't use the Studio 11 debugger as it stops while reading libc_psr.so.1".
Are you sure it's related?
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Subject: [Bug gdb/11885] Unkown symbol format 'elf32-sparc'
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--- Comment #10 from Pedro Alves <palves at redhat dot com> ---
Alright, closing then. Thanks.
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>From gdb-prs-return-18906-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 10:52:22 2015
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
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--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
This is probably not sparc-specific, so you should do it in gdb/procfs.c, the
main Solaris support file.
Don't be scared about the IRIX, AIX, etc. comments. That's all stale, the file
is only used for Solaris nowadays. It could use a general cleanup...
Please take a look at:
http://sourceware.org/gdb/wiki/ContributionChecklist
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Subject: [Bug gdb/9127] gdb hangs on command kill on Solaris10 edition 10/05
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--- Comment #7 from phantall at gmail dot com ---
I cannot be certain. With the solaris machines I have I'm unable to reproduce
the original problem, presumably because the applicable system update is
installed on them.
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>From gdb-prs-return-18908-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 16:12:59 2015
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Subject: [Bug gdb/9127] gdb hangs on command kill on Solaris10 edition 10/05
Date: Wed, 16 Dec 2015 16:12:00 -0000
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--- Comment #8 from phantall at gmail dot com ---
This blog post adds more detail:
https://blogs.oracle.com/quenelle/entry/two_bad_solaris_bugs_that
I'm unable to access the bug link:
https://support.oracle.com/rs?type=bug&id=6329593
... because my account on that site hasn't been associated with our support
license.
It occurs to me that the original link I posted earlier is a page I found while
looking around for more info on bug 6329593, not the page that originally made
me wonder about it.
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>From gdb-prs-return-18909-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 19:09:45 2015
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Subject: [Bug tdep/19373] New: Attach -> detach -> attach to a different exe:
loads symbols from original exe
Date: Wed, 16 Dec 2015 19:09:00 -0000
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Bug ID: 19373
Summary: Attach -> detach -> attach to a different exe: loads
symbols from original exe
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
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Here's an example to illustrate:
> $ sleep 1000 &
> [1] 21233
> $ fg
In a separate terminal:
> $ gdb
> /*snip*/
> (gdb) attach 21233
> /*snip*/
> (gdb) kill
> Kill the program being debugged? (y or n) y
In the 1st terminal:
> $ perl -e 'sleep 1000' &
> [1] 21328
Then in the gdb window:
> (gdb) attach 21328
> Attaching to program: /bin/sleep, process 21328
> /*snip*/ ^^^^^^^^^^
It seems the only way to get around this is to manually alter it with
file/exec-file.
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Subject: [Bug tdep/19373] Attach -> detach -> attach to a different exe:
loads symbols from original exe
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--- Comment #1 from phantall at gmail dot com ---
This may be related to bug 17626
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Subject: [Bug tdep/19373] Attach -> detach -> attach to a different exe:
loads symbols from original exe
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--- Comment #2 from phantall at gmail dot com ---
I forgot to mention platform details in case it's relevant:
* x86 RHEL 6.x
* built with gcc 4.9.2
* gmake 7.10 from src
My original suspicion was that linux_proc_pid_to_exec_file returning an address
to static memory had something to do with it, but now I think it's just not
checking to see if the new PID's exe path is different.
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>From gdb-prs-return-18912-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 19:18:33 2015
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Subject: [Bug gdb/19373] Attach -> detach -> attach to a different exe: loads
symbols from original exe
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phantall at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|tdep |gdb
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>From gdb-prs-return-18913-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 20:02:54 2015
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Subject: [Bug gdb/13549] add command to disable the default run target (don't
pick the native target by default for "run" and "attach")
Date: Wed, 16 Dec 2015 20:02:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Fixed in 7.8 already.
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>From gdb-prs-return-18914-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 20:11:06 2015
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
processes on Solaris
Date: Wed, 16 Dec 2015 20:11:00 -0000
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--- Comment #5 from phantall at gmail dot com ---
Created attachment 8851
--> https://sourceware.org/bugzilla/attachment.cgi?id=8851&action=edit
unix procfs to_pid_to_exec_file implementation
This implementation is generic enough that it could be used for all procfs
platforms that adhere to the possible paths I used.
Some notes on this:
* I'm not terribly fond of the idea of returning a static like this, but the
code using it (exec_file_locate_attach) is written under the assumption it does
not take ownership of that memory.
* This could be done with no loop:
** ... using #if, but that makes the code uglier/less readable, and I see no
terribly compelling argument against the loop
** On each platform add a format string to the target_ops struct (would require
adding a new member to target_ops).
** Only use the string that works on Solaris and forget about making it more
general purpose
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
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--- Comment #6 from phantall at gmail dot com ---
I don't have DejaGNU installed on any of the machines I have access to, and
getting it approved/installed would take months.
This resolves the problem of attaching on Solaris 10/sparc. The code isn't
built for x86/Linux, I had no need to test it there.
In the tests I've ran this function executes only if the path to the current
target is empty:
* path to an executable not specified in arguments
* "file" / "exec-file" haven't been used
* "file" or "exec-file" were called with an empty string
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>From gdb-prs-return-18916-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 16 20:43:54 2015
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From: "phantall at gmail dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug tdep/17903] gdb cannot determine executable when attaching to
processes on Solaris
Date: Wed, 16 Dec 2015 20:43:00 -0000
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--- Comment #7 from phantall at gmail dot com ---
Comment on attachment 8851
--> https://sourceware.org/bugzilla/attachment.cgi?id=8851
unix procfs to_pid_to_exec_file implementation
>diff --git a/gdb/procfs.c b/gdb/procfs.c
>index 7b7ff45..a663223 100644
>--- a/gdb/procfs.c
>+++ b/gdb/procfs.c
>@@ -51,6 +51,7 @@
> #include "auxv.h"
> #include "procfs.h"
> #include "observer.h"
>+#include "ansidecl.h"
>
>/* This module provides the interface between GDB and the
> /proc file system, which is used on many versions of Unix
>@@ -118,6 +119,7 @@ static void procfs_fetch_registers (struct target_ops *,
> struct regcache *, int);
> static void procfs_store_registers (struct target_ops *,
> struct regcache *, int);
>+static char* procfs_child_pid_to_exec_file( struct target_ops*, int );
> static void procfs_pass_signals (struct target_ops *self,
> int, unsigned char *);
> static void procfs_kill_inferior (struct target_ops *ops);
>@@ -192,6 +194,7 @@procfs_target (void)
> t->to_resume = procfs_resume;
> t->to_fetch_registers = procfs_fetch_registers;
> t->to_store_registers = procfs_store_registers;
>+ t->to_pid_to_exec_file = procfs_child_pid_to_exec_file;
> t->to_xfer_partial = procfs_xfer_partial;
> t->to_pass_signals = procfs_pass_signals;
> t->to_files_info = procfs_files_info;
>@@ -3301,6 +3304,41 @@ procfs_store_registers (struct target_ops *ops,
> }
> }
>
>+/* "self" may not exist on some platforms,
>+ * otherwise that would be preferable to
>+ * a format string. */
>+static const char *proc_path_lookup[] = {
>+ "/proc/%u/path/a.out" // Most UNIXes with procfs (Solaris)
>+, "/proc/%u/file" // BSD
>+, "/proc/%u/exe" // Linux, Windows, NetBSD
>+, "/proc/%u/a.out" // No idea, I've only seen references to it
>+};
>+
>+/* Get a fully qualified path to the debugged process */
>+static char* procfs_child_pid_to_exec_file( struct target_ops *ARG_UNUSED(self), int pid ) {
>+ static char buf[PATH_MAX] = {0};
>+ char name[PATH_MAX] = {0};
>+ ssize_t sz = -1;
>+ size_t ii = 0;
>+
>+ pid = pid >= 0 ? pid : -pid;
>+
>+ for( ii = 0; ii < sizeof(proc_path_lookup)/sizeof(proc_path_lookup[0]); ++ii ) {
>+ xsnprintf( name, sizeof(name), proc_path_lookup[ii], (unsigned int)pid );
>+ sz = readlink( name, buf, sizeof( name ) );
>+
>+ if( 0 < sz ) {
>+ buf[sz] = '\0';
>+ return buf;
>+ }
>+ }
>+
>+ /* This is the default behavior as defined in target.h
>+ * and implemented in inf_child_pid_to_exec_file() */
>+ return NULL;
>+}
>+
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>From gdb-prs-return-18917-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 00:36:31 2015
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From: "phantall at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19374] New: gdb/procfs.c: procfs_xfer_partial null-ptr
de-reference
Date: Thu, 17 Dec 2015 00:36:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19374
Bug ID: 19374
Summary: gdb/procfs.c: procfs_xfer_partial null-ptr
de-reference
Product: gdb
Version: 7.10
Status: NEW
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Priority: P2
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This was found on sparc solaris 10.
When gdb is ran with **--interpreter mi2 --nx** (this is how Eclipse CDT runs
it under Solaris) I'm getting a segfault ingdb/procfs.c:3999 when
"list-thread-groups --available" is sent to gdb.
This is happening when list_available_thread_groups() (gdb/mi/mi-main.c:782)
calls get_osdata( "processes" ).
There's a few issues:
* No check to make sure ops->beneath != NULL
* ops->beneath->to_xfer_partial is going to be the same function (except for
remote debugging perhaps) -- namely procfs_xfer_partial(). If ops->beneath !=
NULL, this will result in recursion until either ops->beneath **is** null, or
the stack grows too large.
* list_available_thread_groups() expects get_osdata to throw() if it's unable
to do anything meaningful
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>From gdb-prs-return-18918-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 00:48:40 2015
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Subject: [Bug gdb/19374] gdb/procfs.c: procfs_xfer_partial null-ptr
de-reference
Date: Thu, 17 Dec 2015 00:48:00 -0000
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--- Comment #1 from phantall at gmail dot com ---
It looks like this problem was introduced in this commit (for bug 17130)
http://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=e75fdfcad1c868eae5396a95be9dd18010406306
Originally there was a check to make sure ops->beneath was non-null:
http://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commitdiff;h=e75fdfcad1c868eae5396a95be9dd18010406306#patch4
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>From gdb-prs-return-18919-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 00:50:47 2015
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Subject: [Bug gdb/19374] gdb/procfs.c: procfs_xfer_partial null-ptr
de-reference
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--- Comment #2 from phantall at gmail dot com ---
When I re-add the check everything at least *appears* to be fine, though I get
this message from gdb:
> warning: Empty data returned by target. Wrong osdata type?
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>From gdb-prs-return-18920-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 01:03:36 2015
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Subject: [Bug gdb/19374] gdb/procfs.c: procfs_xfer_partial null-ptr
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--- Comment #3 from phantall at gmail dot com ---
Created attachment 8852
--> https://sourceware.org/bugzilla/attachment.cgi?id=8852&action=edit
fix for null-ptr dereference when running: list-thread-groups --available
I sent the attached patch to the mailing list.
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>From gdb-prs-return-18921-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 01:04:34 2015
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Subject: [Bug gdb/8527] Solaris only - ^C fails to stop inferior process that
was attached
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--- Comment #6 from phantall at gmail dot com ---
Created attachment 8853
--> https://sourceware.org/bugzilla/attachment.cgi?id=8853&action=edit
Changes suggested by an earlier commenter
I submitted the attached patch to the mailing list.
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>From gdb-prs-return-18922-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 07:34:59 2015
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To: gdb-prs@sourceware.org
Subject: [Bug gdb/8527] Solaris only - ^C fails to stop inferior process that
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--- Comment #7 from mm@michael-mueller-it.de ---
This was really a long time ago. Unfortunately I have no access to a
Solaris system to test it. Thanks for the patch anyway.
On 12/17/2015 02:04 AM, phantall at gmail dot com wrote:
> https://sourceware.org/bugzilla/show_bug.cgi?id=8527
>
> --- Comment #6 from phantall at gmail dot com ---
> Created attachment 8853
> --> https://sourceware.org/bugzilla/attachment.cgi?id=8853&action=edit
> Changes suggested by an earlier commenter
>
> I submitted the attached patch to the mailing list.
>
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Subject: [Bug c++/17098] In program using unique_ptr, identifier 'tuple'
cannot be used (problem with variadic templates?)
Date: Thu, 17 Dec 2015 13:29:00 -0000
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scovich at gmail dot com changed:
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--- Comment #1 from scovich at gmail dot com ---
Still occurs for me with gdb-7.10
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>From gdb-prs-return-18924-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 15:01:12 2015
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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug threads/19354] "info threads" error with multiple inferiors
Date: Thu, 17 Dec 2015 15:01:00 -0000
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--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Pedro Alves <palves@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a6904d5a6aa63e4bef7207407250d8b76b56f8a9
commit a6904d5a6aa63e4bef7207407250d8b76b56f8a9
Author: Pedro Alves <palves@redhat.com>
Date: Thu Dec 17 14:20:52 2015 +0000
Fix PR threads/19354: "info threads" error with multiple inferiors
Note: this applies on top of:
[PATCH] Remove support for LinuxThreads and vendor 2.4 kernels w/
backported NPTL
https://sourceware.org/ml/gdb-patches/2015-12/msg00214.html
We try to avoid using libthread_db.so to list threads in the inferior
when debugging live processes, but the code that decides whether to
use it decides incorrectly if you have more than one inferior, and the
current inferior doesn't have execution yet. The result is visible
as:
(gdb) add-inferior
Added inferior 2
(gdb) inferior 2
[Switching to inferior 2 [<null>] (<noexec>)]
(gdb) info inferiors
Num Description Executable
1 process 15397 /home/pedro/gdb/tests/threads
* 2 <null>
(gdb) info threads
Cannot find new threads: generic error
(gdb)
Fix this by checking whether each inferior has execution rather than
just the current inferior.
By moving the core updating to linux-nat.c's update_thread_list
implementation, this also ends up fixing the
lwp-last-seen-running-on-core updating in the case we're debugging a
program that uses raw clone rather than pthreads, as linux-thread-db.c
isn't pushed in the target stack in that scenario.
Tested on x86_64 Fedora 20.
gdb/ChangeLog:
2015-12-17 Pedro Alves <palves@redhat.com>
PR threads/19354
* linux-nat.c (linux_nat_update_thread_list): Update process cores
each lwp was last seen running on here.
* linux-thread-db.c (update_thread_core): Delete.
(thread_db_update_thread_list_td_ta_thr_iter): Rename to ...
(thread_db_update_thread_list): ... this. Skip inferiors with
execution. Also call the target beneath.
(thread_db_update_thread_list): Delete.
gdb/testsuite/ChangeLog:
2015-12-17 Pedro Alves <palves@redhat.com>
PR threads/19354
* gdb.multi/info-threads.exp: New file.
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Subject: [Bug threads/19354] "info threads" error with multiple inferiors
Date: Thu, 17 Dec 2015 15:10:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Fixed.
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Subject: [Bug threads/9417] gdbserver with pthread debugging problem
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #13 from Pedro Alves <palves at redhat dot com> ---
LinuxThreads support was removed.
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #7 from Pedro Alves <palves at redhat dot com> ---
LinuxThreads support was removed. Also, even with NPTL, native Linux support
no longer uses libthread_db's thread events.
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Subject: [Bug gdb/9058] gdb fails when breakpoint hit in NPTL thread
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Pedro Alves <palves at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Works for me. In any case native Linux support no longer uses libthread_db's
thread event breakpoints.
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Subject: [Bug threads/13869] Latest gdb 7.4 (CVS HEAD) has problem with
"target async": Cannot get thread event message: debugger service failed
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Pedro Alves <palves at redhat dot com> changed:
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----------------------------------------------------------------------------
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--- Comment #5 from Pedro Alves <palves at redhat dot com> ---
This was fixed a while ago. GDB no longer uses libthread_db thread events or
walks its data structures when listing threads.
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Subject: [Bug threads/9348] Cannot find user-level thread for LWP during live
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----------------------------------------------------------------------------
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
> I'm pretty sure this is a kernel bug. 32-bit debuggers don't work on
> 64-bit Linux kernels; bug the kernel maintainer about it.
GDB nowadays detects the situation and errors out. So I'm closing this, as
there's nothing else we can do about it.
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/9148] Stepping doesn't work after SIGALRM in
inferior
Date: Thu, 17 Dec 2015 16:26:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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CC| |palves at redhat dot com
Resolution|--- |FIXED
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Many signal and stepping interaction problems have been fixed meanwhile.
Current gdb behaves correctly:
Breakpoint 1, main () at sigalrm.c:17
17 printf ("line 1\n");
(gdb) n
program received alarm
line 1
18 printf ("line 2\n");
(gdb)
Closing as fixed.
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Subject: [Bug threads/8634] turn off thread support?
Date: Thu, 17 Dec 2015 16:29:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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CC| |palves at redhat dot com
Resolution|--- |FIXED
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
There are now a set of commands to fine tune the path where gdb looks up
libthread_db, and whether it's automatically loaded:
(gdb) apropos libthread
info auto-load libthread-db -- Print the list of loaded inferior specific
libthread_db
set auto-load libthread-db -- Enable or disable auto-loading of inferior
specific libthread_db
set debug libthread-db -- Set libthread-db debugging
set libthread-db-search-path -- Set search path for libthread_db
show auto-load libthread-db -- Show whether auto-loading inferior specific
libthread_db is enabled
show debug libthread-db -- Show libthread-db debugging
show libthread-db-search-path -- Show the current search path or libthread_db
Closing this as fixed.
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>From gdb-prs-return-18933-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 16:33:20 2015
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Subject: [Bug threads/9069] Cannot find user-level thread for LWP for i32
applications on x84_64 linux (2.6 kernel)
Date: Thu, 17 Dec 2015 16:33:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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----------------------------------------------------------------------------
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CC| |palves at redhat dot com
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
This works for me with at least both 7.10 and master. Much has changed in all
components involved since. I don't really know where the fix was, but I'm
closing it as fixed. Feel free to reopen if you can reproduce it, somehow.
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>From gdb-prs-return-18934-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 17 16:38:06 2015
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Subject: [Bug threads/8963] remote debugging a multithreaded application with
gdb creates a SIGTRAP
Date: Thu, 17 Dec 2015 16:38:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #7 from Pedro Alves <palves at redhat dot com> ---
This works for me. It very much sounds like the FAQ Teawater pointed at. I'm
tentatively closing as fixed. Feel free to reopen if you can still reproduce
it with current gdb.
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Subject: [Bug gdb/8952] Step over (next) fails in pthreads programs on recent
(NPTL) RedHat Linuxes
Date: Thu, 17 Dec 2015 16:42:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
These areas have changed a great deal meanwhile. We no longer use thread event
breakpoints even. The attached test case steps correctly for me. Closing as
fixed.
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Subject: [Bug gdb/8811] multithreaded application debug fails on GNU/Linux +
gcc + c/c++
Date: Thu, 17 Dec 2015 16:46:00 -0000
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Works for me, both 7.7, and current master. Using master:
(gdb) r
Starting program: /tmp/a.out
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0xf7fc1b40 (LWP 24267)]
Starting s
[New Thread 0xf77c0b40 (LWP 24268)]
[New Thread 0xf6fbfb40 (LWP 24269)]
Empty
Start waiting 0
[Thread 0xf77c0b40 (LWP 24268) exited]
[New Thread 0xf65ffb40 (LWP 24270)]
Start waiting 1
[New Thread 0xf77c0b40 (LWP 24271)]
Finished s
Start waiting 2
[Thread 0xf7fc1b40 (LWP 24267) exited]
[New Thread 0xf5dfeb40 (LWP 24272)]
[New Thread 0xf55fdb40 (LWP 24273)]
[New Thread 0xf4bffb40 (LWP 24274)]
Empty
Empty
Empty
Finished waiting 2
Finished waiting 1
[Thread 0xf4bffb40 (LWP 24274) exited]
[Thread 0xf55fdb40 (LWP 24273) exited]
[Thread 0xf5dfeb40 (LWP 24272) exited]
[Thread 0xf77c0b40 (LWP 24271) exited]
[Thread 0xf65ffb40 (LWP 24270) exited]
Finished waiting 0
[Thread 0xf6fbfb40 (LWP 24269) exited]
[Inferior 1 (process 24263) exited normally]
(gdb)
Closing as fixed.
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>From gdb-prs-return-18937-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 07:18:27 2015
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Subject: [Bug gdb/18077] Using -exec-run with mi-async on results in
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Date: Fri, 18 Dec 2015 07:18:00 -0000
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Subject: [Bug gdb/18077] Using -exec-run with mi-async on results in
synchronous execution
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
-exec-run should probably call find_run_target() and use that target to check
for async support, like infcmd.c:run_command_1 does.
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>From gdb-prs-return-18939-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:00:43 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/8797] [regression] watchpoints broken on native
hppa2.0w-hp-hpux11.11
Date: Fri, 18 Dec 2015 16:00:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
GDB now longer supports HPUX.
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>From gdb-prs-return-18940-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:01:13 2015
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Subject: [Bug gdb/14653] Follow fork or vfork broken on IA64 HPUX (ttrace:
Protocol error.)
Date: Fri, 18 Dec 2015 16:01:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |OBSOLETE
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
GDB now longer supports HPUX.
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>From gdb-prs-return-18942-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:02:43 2015
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Subject: [Bug shlibs/7874] Core dump on 'info shared' command for 64-bit HPUX
11 (and others?)
Date: Fri, 18 Dec 2015 16:02:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18941-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:02:08 2015
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Subject: [Bug corefiles/15475] gdb cannot sniff_core_bfd on ia64-hpux
Date: Fri, 18 Dec 2015 16:02:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |OBSOLETE
--- Comment #5 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18943-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:03:30 2015
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Subject: [Bug shlibs/8466] auto-solib-add option and sharedlibrary command
broken on HPUX
Date: Fri, 18 Dec 2015 16:03:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18944-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:04:11 2015
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Subject: [Bug tdep/8932] [hpux] problem during unwinding from bizarre code
Date: Fri, 18 Dec 2015 16:04:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Closing given support for HPUX was removed from GDB.
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>From gdb-prs-return-18945-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:06:51 2015
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Subject: [Bug gdb/9614] gfb-6.8 compilation fails on HP-UX 11.11 with native
cc
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18946-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:07:26 2015
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Subject: [Bug gdb/12238] while executing bad option "add": must be variable,
vdelete, or vinfo
Date: Fri, 18 Dec 2015 16:07:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18947-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:08:24 2015
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Subject: [Bug fortran/8641] gdb 6.0 works with programs compiled with g77 but
not HP's f77 HP-UX 11.0
Date: Fri, 18 Dec 2015 16:08:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|SUSPENDED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18948-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:08:26 2015
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Subject: [Bug python/19377] New: osx
Date: Fri, 18 Dec 2015 16:08:00 -0000
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Bug ID: 19377
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Subject: [Bug build/8780] gdb.info: Bad address
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18950-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:09:21 2015
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18951-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:09:51 2015
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Subject: [Bug gdb/8095] [RFA] Underscore tweak (old HP test)
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18952-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:10:08 2015
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Subject: [Bug threads/8121] gdb kills all the threads of a running server
process when tatched to the process on HP UX 11i
Date: Fri, 18 Dec 2015 16:10:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18953-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:10:27 2015
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Subject: [Bug tdep/8406] GDB doesn't grok HP's cc +DA2.0W -Ae -g symbols
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18954-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:11:18 2015
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Subject: [Bug gdb/8775] Gdb becomes unresponse after single stepping into a
SIGSEGV
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18956-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:12:33 2015
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Subject: [Bug gdb/9602] breakpoint.c:4161: internal-error: allegedly
permanent breakpoint is not actually inserted
Date: Fri, 18 Dec 2015 16:12:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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>From gdb-prs-return-18955-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:12:12 2015
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Subject: [Bug gdb/8996] info all-registers or info reg register don't show
double values of left (64-bit) floating registers
Date: Fri, 18 Dec 2015 16:12:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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Subject: [Bug gdb/9603] Processes run under gdb on HP-UX don't die until gdb
exits
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for HPUX was removed from GDB.
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Subject: [Bug testsuite/8595] environ.exp could run on more platforms
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Still valid.
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Subject: [Bug python/19377] osx
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Please try again with more info.
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Subject: [Bug build/7622] build failure, irix 5.3, undefined symbol
no_shared_libraries
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, but support for IRIX was removed from GDB.
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Subject: [Bug cli/7801] `info frame' on a dummy frame appears to be fatal!
Date: Fri, 18 Dec 2015 16:19:00 -0000
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
It works for me on GNU/Linux.
Also, support for IRIX was recently removed from GDB.
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Subject: [Bug python/19377] osx
Date: Fri, 18 Dec 2015 16:19:00 -0000
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--- Comment #2 from Charles <congeec at live dot com> ---
issue: symbol PyMac_Error does not exit in libpython3.dylib, but in
libpython2.7.dylib.
related files:
gdb/python/python-config
config.log in dir gdb/python/
```
1107 configure:8678: checking for python3.5
1108 configure:8696: gcc -o conftest -g -O2
-I/usr/local/Cellar/python3/3.5.1/Frameworks/Python.fra
mework/Versions/3.5/include/python3.5m
-I/usr/local/Cellar/python3/3.5.1/Frameworks/Python.frame
work/Versions/3.5/include/python3.5m -Wl,-no_pie conftest.c -lncurses -lm
-liconv -L/usr/loc
al/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/config-3.5m
-ldl -framework CoreFoundation -lpython3.5m -u _PyMac_Error
/usr/local/opt/python3/Frameworks/Python. framework/Versions/3.5/Python >&5
1109 Undefined symbols for architecture x86_64:
1110 "_PyMac_Error", referenced from:
1111 -u command line option
1112 ld: symbol(s) not found for architecture x86_64
1113 clang: error: linker command failed with exit code 1 (use -v to see
invocation)
```
python3
```
>>> from distutils import sysconfig
>>> getvar = sysconfig.get_config_var
>>> getvar('LINKFORSHARED')
'-u _PyMac_Error
/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.5/Python'
```
It can be built by removing these two lines.
```
diff --git a/gdb/python/python-config.py b/gdb/python/python-config
--- a/gdb/python/python-config.py 2015-12-18 22:46:55.000000000 +0800
+++ b/gdb/python/python-config.py 2015-12-18 22:47:22.000000000 +0800
@@ -72,7 +72,5 @@
libs.insert(0, '-L' + getvar('LIBPL'))
elif os.name == 'nt':
libs.insert(0, '-L' + sysconfig.PREFIX + '/libs')
- if getvar('LINKFORSHARED') is not None:
- libs.extend(getvar('LINKFORSHARED').split())
print (to_unix_path(' '.join(libs)))
```
Any suggestions?
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Subject: [Bug gdb/9404] I'm sorry, Dave I can't do that. Symbol format
'elf32-nbigmips' unknown.
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Sorry, support for IRIX was recently removed from GDB.
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Subject: [Bug tdep/7767] gdb-5.2.1 cannot be run on python on irix6.5
Date: Fri, 18 Dec 2015 16:21:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for IRIX was recently removed from GDB.
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Subject: [Bug threads/8162] pthread_create locks up GDB on IRIX platform
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Sorry, support for IRIX was recently removed from GDB.
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From: "congeec at live dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug python/19377] osx
Date: Fri, 18 Dec 2015 16:22:00 -0000
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--- Comment #3 from Charles <congeec at live dot com> ---
Well, my machine delayed. I'll submit a new one.
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Subject: [Bug breakpoints/7612] can't set breakpoints on tru64 when SHELL is
sh or bash
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Pedro Alves <palves at redhat dot com> changed:
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Sorry, support for Tru64 was recently removed from GDB.
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Subject: [Bug corefiles/7921] problem reading core files on alpha-osf
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--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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Subject: [Bug python/19378] New: Not linked on Mac OS X 10.10 with Python 3.5
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Bug ID: 19378
Summary: Not linked on Mac OS X 10.10 with Python 3.5
Product: gdb
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Target Milestone: ---
issue: symbol PyMac_Error does not exit in libpython3.dylib, but in
libpython2.7.dylib.
related files:
gdb/python/python-config
config.log in dir gdb/python/
``` config.log
1107 configure:8678: checking for python3.5
1108 configure:8696: gcc -o conftest -g -O2
-I/usr/local/Cellar/python3/3.5.1/Frameworks/Python.fra
mework/Versions/3.5/include/python3.5m
-I/usr/local/Cellar/python3/3.5.1/Frameworks/Python.frame
work/Versions/3.5/include/python3.5m -Wl,-no_pie conftest.c -lncurses -lm
-liconv -L/usr/loc
al/Cellar/python3/3.5.1/Frameworks/Python.framework/Versions/3.5/lib/python3.5/config-3.5m
-ldl -framework CoreFoundation -lpython3.5m -u _PyMac_Error
/usr/local/opt/python3/Frameworks/Python. framework/Versions/3.5/Python >&5
1109 Undefined symbols for architecture x86_64:
1110 "_PyMac_Error", referenced from:
1111 -u command line option
1112 ld: symbol(s) not found for architecture x86_64
1113 clang: error: linker command failed with exit code 1 (use -v to see
invocation)
```
``` python3
>>> from distutils import sysconfig
>>> getvar = sysconfig.get_config_var
>>> getvar('LINKFORSHARED')
'-u _PyMac_Error
/usr/local/opt/python3/Frameworks/Python.framework/Versions/3.5/Python'
```
It can be built by removing these two lines.
``` diff
diff --git a/gdb/python/python-config.py b/gdb/python/python-config
--- a/gdb/python/python-config.py 2015-12-18 22:46:55.000000000 +0800
+++ b/gdb/python/python-config.py 2015-12-18 22:47:22.000000000 +0800
@@ -72,7 +72,5 @@
libs.insert(0, '-L' + getvar('LIBPL'))
elif os.name == 'nt':
libs.insert(0, '-L' + sysconfig.PREFIX + '/libs')
- if getvar('LINKFORSHARED') is not None:
- libs.extend(getvar('LINKFORSHARED').split())
print (to_unix_path(' '.join(libs)))
```
Any suggestions?
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Subject: [Bug gdb/8489] mipsread.c:402: gdb-internal-error: sect_index_data
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
This was probably fixed, but in any case, support for OSF/1 / Tru64 was
recently removed from GDB.
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Subject: [Bug symtab/8699] initialization of gdb failed before first
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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Subject: [Bug gdb/8696] [Don't know how to run. Try "help target".] Error
Date: Fri, 18 Dec 2015 16:27:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18971-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:27:03 2015
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Subject: [Bug gdb/8735] Get sect_index_data not initialized for libm.so on
Tru64 V5.1A with -taso
Date: Fri, 18 Dec 2015 16:27:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18974-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:28:07 2015
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From: "congeec at live dot com" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug python/19378] Not linked aginst Python 3.5 on Mac OS X 10.10
Date: Fri, 18 Dec 2015 16:28:00 -0000
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Charles <congeec at live dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Not linked on Mac OS X |Not linked aginst Python
|10.10 with Python 3.5 |3.5 on Mac OS X 10.10
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>From gdb-prs-return-18975-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:30:53 2015
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Subject: [Bug symtab/8863] warning: (Internal error: pc 0x120001120 in read
in psymtab, but not in symtab.)
Date: Fri, 18 Dec 2015 16:30:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #4 from Pedro Alves <palves at redhat dot com> ---
I'm closing this on grounds that support for OSF/1 / Tru64 was removed from
GDB.
On GNU/Linux, I haven't seen this in a long while. Please file a new bug and
attach a reproducer binary if you can still see it.
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>From gdb-prs-return-18976-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:31:53 2015
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Subject: [Bug tdep/7677] Hit heuristic-fence-post without finding enclosing
function for address 0x3ffbffd98c0
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18977-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:32:28 2015
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Subject: [Bug threads/7676] Cant view stack trace on alpha core file when
target linked to -lpthread -lexc
Date: Fri, 18 Dec 2015 16:32:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18978-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:33:20 2015
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Subject: [Bug build/9194] alphaev6-dec-osf4.0g, gcc 3.4.5
Date: Fri, 18 Dec 2015 16:33:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18979-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:33:37 2015
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Subject: [Bug build/7928] Install probleam on alphaev67-dec-osf5.1
Date: Fri, 18 Dec 2015 16:33:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18980-listarch-gdb-prs=sources.redhat.com@sourceware.org Fri Dec 18 16:34:10 2015
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Subject: [Bug corefiles/8132] gdb-2003-02-04-cvs doesn't recognize structure
of core file on OSF1
Date: Fri, 18 Dec 2015 16:34:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
CC| |palves at redhat dot com
Resolution|--- |OBSOLETE
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
Sorry, support for OSF/1 / Tru64 was recently removed from GDB.
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>From gdb-prs-return-18981-listarch-gdb-prs=sources.redhat.com@sourceware.org Sat Dec 19 01:49:49 2015
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Subject: [Bug python/19378] Not linked aginst Python 3.5 on Mac OS X 10.10
Date: Sat, 19 Dec 2015 01:49:00 -0000
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--- Comment #1 from Charles Wu <congeec at live dot com> ---
Related issues:
https://bugs.python.org/issue3588
https://github.com/Homebrew/homebrew/issues/11855
https://github.com/Homebrew/homebrew/pull/47146
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>From gdb-prs-return-18982-listarch-gdb-prs=sources.redhat.com@sourceware.org Sat Dec 19 02:17:13 2015
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Subject: [Bug python/19378] Not linked aginst Python 3.5 on Mac OS X 10.10
Date: Sat, 19 Dec 2015 02:17:00 -0000
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--- Comment #2 from Charles Wu <congeec at live dot com> ---
Reason: python-config.py has been outdated.
Solution: updating python-config.py by copying the newest file from official
repo.
Related information:
patch: https://hg.python.org/cpython/rev/bab708624dc4/
newest file: https://hg.python.org/cpython/file/2.7/Misc/python-config.in
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Subject: [Bug python/19378] Not linked aginst Python 3.5 on Mac OS X 10.10
(caused by outdated python-config.py)
Date: Sat, 19 Dec 2015 02:17:00 -0000
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Charles Wu <congeec at live dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Not linked aginst Python |Not linked aginst Python
|3.5 on Mac OS X 10.10 |3.5 on Mac OS X 10.10
| |(caused by outdated
| |python-config.py)
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>From gdb-prs-return-18984-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 20 07:19:37 2015
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Subject: [Bug backtrace/19382] New: Segmentation fault on print
Date: Sun, 20 Dec 2015 07:19:00 -0000
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Bug ID: 19382
Summary: Segmentation fault on print
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Version: 7.10
Status: NEW
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Component: backtrace
Assignee: unassigned at sourceware dot org
Reporter: damir.franusic at gmail dot com
Target Milestone: ---
Program received signal SIGSEGV, Segmentation fault.
0x0000000000566668 in value_entirely_covered_by_range_vector ()
(gdb) bt
#0 0x0000000000566668 in value_entirely_covered_by_range_vector ()
#1 0x000000000067b0e2 in cp_print_value_fields ()
#2 0x000000000067be30 in cp_print_value_fields_rtti ()
#3 0x0000000000679a7e in c_val_print ()
#4 0x00000000005788f2 in val_print ()
#5 0x000000000067ae17 in cp_print_value_fields ()
#6 0x000000000067be30 in cp_print_value_fields_rtti ()
#7 0x0000000000679a7e in c_val_print ()
#8 0x00000000005788f2 in val_print ()
#9 0x000000000067a468 in c_value_print ()
#10 0x000000000057ff87 in print_value ()
#11 0x0000000000580031 in print_command_1 ()
#12 0x0000000000686f2d in execute_command ()
#13 0x00000000005c2a11 in command_handler ()
#14 0x00000000005c2f6c in command_line_handler ()
#15 0x00007ffff7bbf33e in rl_callback_read_char () from /lib64/libreadline.so.6
#16 0x00000000005c2a79 in rl_callback_read_char_wrapper ()
#17 0x00000000005c2ac3 in stdin_event_handler ()
#18 0x00000000005c198d in gdb_wait_for_event ()
#19 0x00000000005c1bd2 in gdb_do_one_event ()
#20 0x00000000005c1c4e in start_event_loop ()
#21 0x00000000005bb983 in captured_command_loop ()
#22 0x00000000005b8e6d in catch_errors ()
#23 0x00000000005bc916 in captured_main ()
#24 0x00000000005b8e6d in catch_errors ()
#25 0x00000000005bcdbb in gdb_main ()
#26 0x000000000045b5d5 in main ()
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>From gdb-prs-return-18985-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 20 07:25:38 2015
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Subject: [Bug backtrace/19382] Segmentation fault on print
Date: Sun, 20 Dec 2015 07:25:00 -0000
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--- Comment #1 from Damir Franusic <damir.franusic at gmail dot com> ---
It seems that boost::mt19937 is causing the segfault:
(gdb) p r14pc->ran_mt19937
$1 = {
static word_size = <optimized out>,
static state_size = <optimized out>,
static shift_size = <optimized out>,
static mask_bits = <optimized out>,
static xor_mask = <optimized out>,
static tempering_u = <optimized out>,
static tempering_d = <optimized out>,
static tempering_s = <optimized out>,
static tempering_b = <optimized out>,
static tempering_t = <optimized out>,
static tempering_c = <optimized out>,
static tempering_l = <optimized out>,
static initialization_multiplier = <optimized out>,
Segmentation fault
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Subject: [Bug backtrace/19382] Segmentation fault on print
Date: Sun, 20 Dec 2015 11:14:00 -0000
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--- Comment #2 from Damir Franusic <damir.franusic at gmail dot com> ---
System info:
dfranusic@ferret ~/dev/pmink/debug $ uname -a
Linux ferret 3.18.11-gentoo #10 SMP Fri Dec 18 11:57:56 CET 2015 x86_64
Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz GenuineIntel GNU/Linux
dfranusic@ferret ~/dev/pmink/debug $ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.5/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.8.5/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /var/tmp/portage/sys-devel/gcc-4.8.5/work/gcc-4.8.5/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.5
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.5/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.5/include/g++-v4
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.8.5/python
--enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --enable-nls --without-included-gettext
--enable-checking=release --with-bugurl=https://bugs.gentoo.org/
--with-pkgversion='Gentoo 4.8.5 p1.3, pie-0.6.2' --enable-libstdcxx-time
--enable-shared --enable-threads=posix --enable-__cxa_atexit
--enable-clocale=gnu --enable-multilib --with-multilib-list=m32,m64
--disable-altivec --disable-fixed-point --enable-targets=all --disable-libgcj
--enable-libgomp --disable-libmudflap --disable-libssp --enable-lto
--without-cloog --enable-libsanitizer
Thread model: posix
gcc version 4.8.5 (Gentoo 4.8.5 p1.3, pie-0.6.2)
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Subject: [Bug breakpoints/19388] New: Access $_siginfo in breakpoint (catch
signal) conditional
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Bug ID: 19388
Summary: Access $_siginfo in breakpoint (catch signal)
conditional
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: breakpoints
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
Target Milestone: ---
Access $_siginfo from a "catch signal" breakpoint condition doesn't work. The
condition always fails with "Selected thread is running":
(gdb) catch signal
Catchpoint 3 (standard signals)
(gdb)
condition $bpnum $_siginfo.si_signo == 5
(gdb) continue
Continuing.
Error in testing breakpoint condition:
Selected thread is running.
Catchpoint 3 (signal SIGUSR1), 0x0000003615e35877 in __GI_raise (sig=10) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb)
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>From gdb-prs-return-18988-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 21 15:56:35 2015
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Subject: [Bug breakpoints/19388] Access $_siginfo in breakpoint (catch
signal) condition
Date: Mon, 21 Dec 2015 15:56:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Access $_siginfo in |Access $_siginfo in
|breakpoint (catch signal) |breakpoint (catch signal)
|conditional |condition
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>From gdb-prs-return-18989-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 21 15:57:02 2015
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Subject: [Bug breakpoints/19388] Can't access $_siginfo in breakpoint (catch
signal) condition
Date: Mon, 21 Dec 2015 15:57:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Access $_siginfo in |Can't access $_siginfo in
|breakpoint (catch signal) |breakpoint (catch signal)
|condition |condition
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>From gdb-prs-return-18990-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 21 16:15:46 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19389] New: GDB sometimes mistakenly allows accessing
registers of running threads
Date: Mon, 21 Dec 2015 16:15:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19389
Bug ID: 19389
Summary: GDB sometimes mistakenly allows accessing registers of
running threads
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: palves at redhat dot com
Target Milestone: ---
Take the testsuite/gdb.threads/schedlock.c test, and set a breakpoint with a
condition that evaluates false in the loop where threads are spinning. Here in
line 81:
73 void *thread_function(void *arg) {
74 int my_number = (long) arg;
75 int *myp = (int *) &args[my_number];
76
77 /* Don't run forever. Run just short of it :) */
78 while (*myp > 0)
79 {
80 /* schedlock.exp: main loop. */
81 MAYBE_CALL_SOME_FUNCTION(); (*myp) ++;
82 }
83
84 pthread_exit(NULL);
85 }
86
Then let the inferior run in the background. Even though internally, threads
are constantly tripping on the breakpoint and being stepped past it, from the
user's perspective, all threads are always running. So if the user tries to
print a registers, e.g., "print $pc", GDB should always give back an error.
However, sometimes, "print $pc" "succeeds" and shows a register value.
Vis:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(gdb) start
Temporary breakpoint 1 at 0x4006f8: file
/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.threads/schedlock.c, line 35.
Starting program:
/home/pedro/gdb/mygit/build/gdb/testsuite/gdb.threads/schedlock
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Temporary breakpoint 1, main () at
/home/pedro/gdb/mygit/src/gdb/testsuite/gdb.threads/schedlock.c:35
35 for (i = 1; i <= NUM; i++)
(gdb) c&
Continuing.
(gdb) [New Thread 0x7ffff7fc0700 (LWP 19582)]
info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc1740 (LWP 19578) "schedlock" (running)
2 Thread 0x7ffff7fc0700 (LWP 19582) "schedlock" (running)
(gdb) p $pc
$1 = (void (*)()) 0x4007a0 <thread_function+40>
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
$2 = (void (*)()) 0x4007a0 <thread_function+40>
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
$3 = (void (*)()) 0x4007a0 <thread_function+40>
(gdb)
$4 = (void (*)()) 0x4007a0 <thread_function+40>
(gdb)
Target is executing.
(gdb)
Target is executing.
(gdb)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Note the several occurrences of "= (void (*)()) 0x4007a0 <thread_function+40>".
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>From gdb-prs-return-18991-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 22 11:16:02 2015
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From: "qiyao at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug fortran/19208] SIGSEV while opening Fortran program compiled
with ifort
Date: Tue, 22 Dec 2015 11:16:00 -0000
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Yao Qi <qiyao at gcc dot gnu.org> changed:
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----------------------------------------------------------------------------
CC| |qiyao at gcc dot gnu.org
--- Comment #3 from Yao Qi <qiyao at gcc dot gnu.org> ---
Do you have a small case to reproduce the SIGSEGV? We don't review patches
here, so you need to post your patch and the reproducer, if you have, to mail
list gdb-patches@sourceware.org.
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>From gdb-prs-return-18992-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 22 12:41:48 2015
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From: "gerhard.gappmeier at ascolab dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19394] New: crash in get_frame_type() while stepping (s)
Date: Tue, 22 Dec 2015 12:41:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19394
Bug ID: 19394
Summary: crash in get_frame_type() while stepping (s)
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: gerhard.gappmeier at ascolab dot com
Target Milestone: ---
Overview:
This problem is somehow related to having a custom pretty printer installed.
When debugging an application and using the step command to step into a
specific function it crashes.
I don't see anything from the pretty printer in the callstack, but without the
pretty printer it does not happen.
How to reproduce:
1.) start gdb: gdb ./server1
2.) set breakpoint on problematic function call
3.) run
3.) step -> core dumped
This happens with various GDB versions:
* GNU gdb (Gentoo 7.9.1 vanilla) 7.9.1
* Latest git version built from source
(6d265cb4a956310d2cae231ac63a37e11fe376e1)
I attached to coredump created with the latest Git build (-O1 -ggdb)
The frame info in get_frame_type is invalid for any reason:
(gdb) print *frame
$1 = {
level = 0,
pspace = 0x0,
aspace = 0x650000006c,
prologue_cache = 0x5400000072,
unwind = 0x7000000079,
...
(gdb) print *frame->unwind
Cannot access memory at address 0x7000000079
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>From gdb-prs-return-18993-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 22 12:43:30 2015
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To: gdb-prs@sourceware.org
Subject: [Bug gdb/19394] crash in get_frame_type() while stepping (s)
Date: Tue, 22 Dec 2015 12:43:00 -0000
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--- Comment #1 from Gerhard Gappmeier <gerhard.gappmeier at ascolab dot com> ---
Created attachment 8861
--> https://sourceware.org/bugzilla/attachment.cgi?id=8861&action=edit
coredump from gdb
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>From gdb-prs-return-18994-listarch-gdb-prs=sources.redhat.com@sourceware.org Tue Dec 22 20:54:53 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug cli/19395] New: add a "save user" command
Date: Tue, 22 Dec 2015 20:54:00 -0000
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Bug ID: 19395
Summary: add a "save user" command
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Assignee: unassigned at sourceware dot org
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Occasionally I write a new command with "define".
It would be nice to have a "save user" command that would
write out the definition to a file.
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From: "opotapenko at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/19397] New: internal-error: creating event pipe failed on
softfloat mipsel O32 with uclibc-ng-1.0.9 & gcc-5.2.0
Date: Wed, 23 Dec 2015 11:08:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19397
Bug ID: 19397
Summary: internal-error: creating event pipe failed on
softfloat mipsel O32 with uclibc-ng-1.0.9 & gcc-5.2.0
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: opotapenko at gmail dot com
Target Milestone: ---
Whenever trying to use gdb on O32 mipsel uclibc-ng platform that was
cross-compiled with the use of gcc-5.2.0, I get this error:
root@unknown:/tmp/home/root# gdb php
GNU gdb (GDB) 7.10.1
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "mipsel-linux".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from php...(no debugging symbols found)...done.
(gdb) run -v
Starting program: /opt/bin/php -v
linux-nat.c:4715: internal-error: creating event pipe failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Quit this debugging session? (y or n) n
This is a bug, please report it. For instructions, see:
<http://www.gnu.org/software/gdb/bugs/>.
linux-nat.c:4715: internal-error: creating event pipe failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
Unable to dump core, use `ulimit -c unlimited' before executing GDB next time.
Command aborted.
(gdb)
Unfortunately, I cannot provide a core dump, since my platform (mipsel router)
doesn't seem to support core dump creation (after issuing `ulimit -c unlimited`
a core dump is nowhere to be found).
The same issue happened with gdb 7.8.1.
This may be platform-specific, since gdb works fine on armv7 platform of
similar setup, built with tools of similar configs.
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>From gdb-prs-return-18996-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 23 16:17:56 2015
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From: "damir.franusic at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug backtrace/19382] Segmentation fault on print
Date: Wed, 23 Dec 2015 16:17:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19382
--- Comment #3 from Damir Franusic <damir.franusic at gmail dot com> ---
Segfault is not present when optimizations are disabled (-O0)
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>From gdb-prs-return-18997-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 23 19:16:49 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug python/19399] New: add a way to get inferior's architecture
Date: Wed, 23 Dec 2015 19:16:00 -0000
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Bug ID: 19399
Summary: add a way to get inferior's architecture
Product: gdb
Version: unknown
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Priority: P2
Component: python
Assignee: unassigned at sourceware dot org
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I'm writing an unwinder in Python.
I'd like to be able to instantiate an arch-specific unwinder class when
doing an unwind. However, it is difficult to find the correct "current"
architecture to use.
It's not possible to use gdb.Frame.architecture(), because that requires
a frame -- but this is happening during unwinding.
The simplest thing for me would be if gdb.Inferior also had an architecture()
method. This could return the inferior's gdbarch.
Meanwhile I'm not sure what workaround I can use.
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>From gdb-prs-return-18998-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 24 06:11:01 2015
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From: "s.pitchumani at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug sim/19401] New: AVR: simulator fails with illegal instruction
when function call present as argument
Date: Thu, 24 Dec 2015 06:11:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19401
Bug ID: 19401
Summary: AVR: simulator fails with illegal instruction when
function call present as argument
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: sim
Assignee: unassigned at sourceware dot org
Reporter: s.pitchumani at gmail dot com
CC: vapier at gentoo dot org
Target Milestone: ---
Debugging with avr-gdb, internal simulator as target.
Following test fails with illegal instruction when step-over function call
statement (Program terminated with signal SIGILL, Illegal instruction).
int volatile a = 23;
int bar ()
{
return a--;
}
void foo(int i)
{
a -= i;
}
int main()
{
foo (bar());
return 0;
}
steps to re-produce the issue:
1. avr-gcc test.c -mmcu=atmega2560 -g -O1 -o test.elf
2. avr-gdb --args test.elf
- target sim
- load
- b main
- next
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>From gdb-prs-return-18999-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 24 07:48:25 2015
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Subject: [Bug sim/19401] AVR: simulator fails with illegal instruction when
function call present as argument
Date: Thu, 24 Dec 2015 07:48:00 -0000
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--- Comment #1 from Mike Frysinger <vapier at gentoo dot org> ---
please attach the test.elf you're using
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>From gdb-prs-return-19000-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 24 11:59:45 2015
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To: gdb-prs@sourceware.org
Subject: [Bug sim/19401] AVR: simulator fails with illegal instruction when
function call present as argument
Date: Thu, 24 Dec 2015 11:59:00 -0000
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Pitchumani <s.pitchumani at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |s.pitchumani at gmail dot com
--- Comment #2 from Pitchumani <s.pitchumani at gmail dot com> ---
Created attachment 8864
--> https://sourceware.org/bugzilla/attachment.cgi?id=8864&action=edit
elf file generated for the described test case in the bug description
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>From gdb-prs-return-19001-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 24 23:46:26 2015
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From: "vapier at gentoo dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug tdep/19401] AVR: gdb uses 2 byte breakpoints even for 4 byte
insns which leads to illegal instruction
Date: Thu, 24 Dec 2015 23:46:00 -0000
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |avr-elf
CC|vapier at gentoo dot org |
Component|sim |tdep
Summary|AVR: simulator fails with |AVR: gdb uses 2 byte
|illegal instruction when |breakpoints even for 4 byte
|function call present as |insns which leads to
|argument |illegal instruction
--- Comment #3 from Mike Frysinger <vapier at gentoo dot org> ---
when the breakpoint is hit, the $pc is 0x14a, but that's the middle of the
insn:
(gdb) disassemble main
Dump of assembler code for function main:
0x00000148 <+0>: call 0x11a ; 0x11a <bar>
0x0000014c <+4>: call 0x132 ; 0x132 <foo>
so when execution resumes, you get an invalid insn.
this is because gdb uses a 2 byte breakpoint for all insns:
gdb/avr-tdep.c:
static const unsigned char *
avr_breakpoint_from_pc (struct gdbarch *gdbarch,
CORE_ADDR *pcptr, int *lenptr)
{
static const unsigned char avr_break_insn [] = { 0x98, 0x95 };
*lenptr = sizeof (avr_break_insn);
return avr_break_insn;
}
so it's a bug in gdb -- it shouldn't be splitting insns, or at least when it
does, it should rewind properly.
the sim is behaving correctly -- gdb told it to run an invalid insn :).
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>From gdb-prs-return-19002-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 27 23:44:04 2015
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Subject: [Bug sim/19309] src/sim/aarch64/simulator.c: two bugs ?
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |aarch64-*
Assignee|unassigned at sourceware dot org |nickc at sourceware dot org
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>From gdb-prs-return-19003-listarch-gdb-prs=sources.redhat.com@sourceware.org Sun Dec 27 23:47:19 2015
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From: "vapier at gentoo dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug sim/18575] h8300/compile.c:3844: bad if test when checking for
saturation
Date: Sun, 27 Dec 2015 23:47:00 -0000
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|h8300/compile.c:3844: bad |h8300/compile.c:3844: bad
|if test ? |if test when checking for
| |saturation
--- Comment #1 from Mike Frysinger <vapier at gentoo dot org> ---
i think it's trying to handle the sign extension/saturation case, but the logic
isn't quite right
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>From gdb-prs-return-19004-listarch-gdb-prs=sources.redhat.com@sourceware.org Mon Dec 28 00:21:44 2015
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From: "vapier at gentoo dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug sim/10362] lm32 simulator does not handle non-zero load address
Date: Mon, 28 Dec 2015 00:21:00 -0000
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Mike Frysinger <vapier at gentoo dot org> ---
it's not clear to me what your expectations are. the memory-region command
does *not* change where code is loaded ... instead, it just connects a chunk of
memory to the addr that you requested. so when you use "memory-region
0x40000000,0x4000000", that connects a chunk of memory at address 0x40000000
with a length of 0x4000000 bytes.
the "load" command is used to control where to load the requested file -- since
you didn't specify any arguments, it uses an offset of 0 (the default).
an example run:
$ ./gdb/gdb -q ./sim/testsuite/pass.s.x
(gdb) target sim --memory-region 0x40000000,0x4000000
Connected to the simulator.
(gdb) load
Loading section .text, size 0x24 lma 0x0
Loading section .data, size 0x102a lma 0x1024
Start address 0x0
Transfer rate: 33392 bits in <1 sec.
(gdb) sim memory-info
Memory maps:
memory region 0x40000000,0x4000000
memory region 0x00000000,0x10000
i'm going to close this bug assuming that you're mixing up the behavior of the
memory-region command. please re-open with more details for us to look at (and
attach some example ELFs for us to test with).
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>From gdb-prs-return-19005-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 30 05:19:33 2015
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From: "agupta at tifr dot res.in" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug mi/19417] New: History expansion cannot be enabled
Date: Wed, 30 Dec 2015 05:19:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19417
Bug ID: 19417
Summary: History expansion cannot be enabled
Product: gdb
Version: 7.7
Status: NEW
Severity: normal
Priority: P2
Component: mi
Assignee: unassigned at sourceware dot org
Reporter: agupta at tifr dot res.in
Target Milestone: ---
I have enabled history expansion with mi interface by writing the following
content in ~/.gdbinit
set history save
set history expansion on
set history filename ~/.gdb_history
When I run gdb with mi then I get the following error. History expansion is not
enabled. Notice !r is not treated as history expansion but but a shell command
"r".
$ gdb -i=mi
=thread-group-added,id="i1"
~"GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1\n"
~"Copyright (C) 2014 Free Software Foundation, Inc.\n"
~"License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to
change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by
law. Type \"show copying\"\nand \"show warranty\" for details.\n"
~"This GDB was configured as \"x86_64-linux-gnu\".\nType \"show configuration\"
for configuration details."
~"\nFor bug reporting instructions, please see:\n"
~"<http://www.gnu.org/software/gdb/bugs/>.\n"
~"Find the GDB manual and other documentation resources online
at:\n<http://www.gnu.org/software/gdb/documentation/>.\n"
~"For help, type \"help\".\n"
~"Type \"apropos word\" to search for commands related to \"word\".\n"
=cmd-param-changed,param="history save",value="on"
=cmd-param-changed,param="history expansion",value="on"
=cmd-param-changed,param="history filename",value="/home/agupta/.gdb_history"
(gdb)
r
&"r\n"
~"Starting program: \n"
&"No executable file specified.\n"
&"Use the \"file\" or \"exec-file\" command.\n"
^error,msg="No executable file specified.\nUse the \"file\" or \"exec-file\"
command."
(gdb)
!r
&"!r\n"
bash: r: command not found
^done
(gdb)
gdb without mi does not show this problem!
$ gdb
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
(gdb) r
Starting program:
No executable file specified.
Use the "file" or "exec-file" command.
(gdb) !r
r
Starting program:
No executable file specified.
Use the "file" or "exec-file" command.
(gdb)
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>From gdb-prs-return-19006-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 30 17:35:09 2015
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Subject: [Bug fortran/19419] New: Segmentation fault when reading the debug
information from Fortran file
Date: Wed, 30 Dec 2015 17:35:00 -0000
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Bug ID: 19419
Summary: Segmentation fault when reading the debug information
from Fortran file
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: fortran
Assignee: unassigned at sourceware dot org
Reporter: sk-mail at mail dot ru
Target Milestone: ---
Created attachment 8872
--> https://sourceware.org/bugzilla/attachment.cgi?id=8872&action=edit
corrected file
Исходные данные
1) Пример из книги "Современный Фортран", О.В. Бартеньев, МОСКВА «ДИАЛОГ-МИФИ»
2000, страница 81
program test_type
type entry
real(4) :: val = 3.0
integer(4) :: index
type(entry), pointer :: next => null( )
end type entry
type(entry) :: erray
print *, erray%val
end program test_type
2) Компилятор Intel Fortran 64 Version 11.1 Build 20100203
Команда сборки ifort -g -O0 ./fortran_type.f90 -o fortran_type_ifort
3) Операционная система Scientific Linux 5.5
4) GDB версии 7.10.1
###########################
#
# Ошибка
#
###########################
Попытка отладки программы с помощью gdb приводит к сообщению "Segmentation
fault" и выходу из отладчика.
Последние строки из GDB:
(gdb) file fortran_type_ifort
Reading symbols from fortran_type_ifort...Segmentation fault
Причина ошибки.
Компилятор создаёт DWARF информацию такого вида (выдержка из вывода команды
objdump -Wi fortran_type_ifort)
<1><7f>: Abbrev Number: 3 (DW_TAG_subprogram)
<80> DW_AT_decl_line : 1
<81> DW_AT_decl_column : 9
<82> DW_AT_decl_file : 1
<83> DW_AT_calling_convention: 2 (program)
<84> DW_AT_inline : 0 (not inlined)
<85> DW_AT_accessibility: 1 (public)
<86> DW_AT_type : <0x77>
<8a> DW_AT_prototyped : 0
<8b> DW_AT_name : test_type
<95> DW_AT_low_pc : 0x402ae0
<9d> DW_AT_high_pc : 0x402b44
<a5> DW_AT_external : 1
В файле gdb-7.10.1/gdb/dwarf2read.c функция read_partial_die читает атрибут
DW_AT_calling_convention и вызывает функцию set_objfile_main_name с параметром
part_die->name, который в этом месте ещё не заполнен и хранит NULL.
Переменная part_die->name заполняется при разборе атрибута DW_AT_name, который,
как видно из отладочной информации, расположен ниже и разбирается позже.
Внутри функции set_objfile_main_name используется системный вызов strlen
(name), который приводит к ошибке Segmentation fault.
Решение.
Необходимо вызывать функцию set_objfile_main_name после обработки всех
атрибутов, когда переменная part_die->name точно заполнена.
Исправление ошибки.
Исправления внесены в файл dwarf2read.c.
Внесённые изменения находятся после комментариев "// Kiselev S.N., 24.12.2015".
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>From gdb-prs-return-19007-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 30 17:44:15 2015
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From: "sk-mail at mail dot ru" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug fortran/19420] New: Segmentation fault when calling the
"-stack-list-variables 2" command in Fortran file
Date: Wed, 30 Dec 2015 17:44:00 -0000
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Bug ID: 19420
Summary: Segmentation fault when calling the
"-stack-list-variables 2" command in Fortran file
Product: gdb
Version: 7.10
Status: NEW
Severity: normal
Priority: P2
Component: fortran
Assignee: unassigned at sourceware dot org
Reporter: sk-mail at mail dot ru
Target Milestone: ---
Created attachment 8873
--> https://sourceware.org/bugzilla/attachment.cgi?id=8873&action=edit
Corrected file
Исходные данные
1) Пример из книги "Современный Фортран", О.В. Бартеньев, МОСКВА «ДИАЛОГ-МИФИ»
2000, страница 81
program test_type
type entry
real(4) :: val = 3.0
integer(4) :: index
type(entry), pointer :: next => null( )
end type entry
type(entry) :: erray
print *, erray%val
end program test_type
2) Компилятор Intel Fortran 64 Version 11.1 Build 20100203
Команда сборки ifort -g -O0 ./fortran_type.f90 -o fortran_type_ifort
3) Операционная система Scientific Linux 5.5
4) GDB версии 7.10.1
###########################
#
# Ошибка
#
###########################
При работе с GDB через текстовый командный интерфейс MI и вызове команд
-stack-list-locals 2 и -stack-list-variables 2 отладчик на несколько секунд
зависает, а затем выдаёт ошибку "Segmentation fault".
Причина ошибки.
При выполнении указанных команд отладчик определяет типы данных переменных
стека.
В файле gdb/f-typeprint.c вызывается функция f_type_print_base, в которой при
встрече типов TYPE_CODE_STRUCT или TYPE_CODE_UNION выводится название типа
данных текущей структуры, а ниже расположен цикл, который рекурсивно вызывает
эту же функцию.
Вышеуказанный пример приводит к вечному зацикливанию в этом месте, а при выборе
отладчиком всей доступной памяти он выходит с ошибкой "Segmentation fault".
Решение.
Необходимо убрать цикл, в нём нет особой необходимости. Он приводит к слишком
длинному названию типов переменных-структур Фортрана, а типы всех полей
структур можно узнать отдельными командами.
Исправление ошибки.
Исправления внесены в файл ./f-typeprint.c.
Внесённые изменения находятся после комментариев "// Kiselev S.N., 24.12.2015".
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>From gdb-prs-return-19008-listarch-gdb-prs=sources.redhat.com@sourceware.org Wed Dec 30 22:12:47 2015
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From: "tromey at sourceware dot org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug threads/19422] New: in non-stop mode, gdb does not print thread
which stops
Date: Wed, 30 Dec 2015 22:12:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=19422
Bug ID: 19422
Summary: in non-stop mode, gdb does not print thread which
stops
Product: gdb
Version: unknown
Status: NEW
Severity: normal
Priority: P2
Component: threads
Assignee: unassigned at sourceware dot org
Reporter: tromey at sourceware dot org
Target Milestone: ---
I'm using non-stop mode to debug a situation where a crash occurs
in some sub-process.
I use this command to enter multi-inferior "mode":
define gomulti
set detach-on-fork off
set non-stop on
set pagination off
end
I have "set print thread-events on".
Then when debugging I see:
Program received signal SIGSEGV, Segmentation fault.
0x00007fffeebd0dbc in nsXPConnect::GetRuntime (this=0x0) at
/home/tromey/firefox-git/gecko/js/xpconnect/src/xpcprivate.h:264
264 XPCJSRuntime* GetRuntime() {return mRuntime;}
Note that there is nothing here to indicate which thread cause the signal.
gdb doesn't select this thread, either (documented non-stop behavior -- though
perhaps not ideal).
In the end I was able to find the affected thread using "info thread"
and searching for the thread which did not say "(running)".
However, at the very least, in non-stop mode gdb should say which
thread is stopping.
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>From gdb-prs-return-19009-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 31 07:45:12 2015
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From: "vapier at gentoo dot org" <sourceware-bugzilla@sourceware.org>
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Subject: [Bug sim/13418] sim: building with --enable-targets=all fails with:
undefined reference to sim_spr_register_name
Date: Thu, 31 Dec 2015 07:45:00 -0000
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Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vapier at gentoo dot org
Component|gdb |sim
See Also| |https://bugs.gentoo.org/sho
| |w_bug.cgi?id=570020
Assignee|unassigned at sourceware dot org |vapier at gentoo dot org
Summary|gdb/configure |sim: building with
|"--target=mips-elf |--enable-targets=all fails
|--enable-targets=all" |with: undefined reference
|breaks the build |to sim_spr_register_name
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>From gdb-prs-return-19010-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 31 14:15:12 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug threads/19422] in non-stop mode, gdb does not print thread
which stops
Date: Thu, 31 Dec 2015 14:15:00 -0000
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Pedro Alves <palves at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |palves at redhat dot com
--- Comment #1 from Pedro Alves <palves at redhat dot com> ---
*nod*
The same problem happens with any kind of stop, not just signals. E.g., you
can't tell which thread hit a breakpoint:
(gdb) info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc1740 (LWP 19362) "threads" (running)
2 Thread 0x7ffff7fc0700 (LWP 19366) "threads" (running)
3 Thread 0x7ffff77bf700 (LWP 19367) "threads" (running)
(gdb) shell kill -SIGINT 19362
Detaching after fork from child process 19369.
(gdb)
Program received signal SIGINT, Interrupt.
0x0000003616a09237 in pthread_join (threadid=140737353877248,
thread_return=0x7fffffffd5b8) at pthread_join.c:92
92 lll_wait_tid (pd->tid);
up
#1 0x00000000004007ce in main () at threads.c:55
55 pthread_join (threads[0], &thread_result);
(gdb) b 87
Breakpoint 1 at 0x40087a: file threads.c, line 87.
(gdb)
Breakpoint 1, thread_function1 (arg=0x1) at threads.c:87
87 usleep (1); /* Loop increment. */
info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc1740 (LWP 19362) "threads" 0x00000000004007ce in main
() at threads.c:55
2 Thread 0x7ffff7fc0700 (LWP 19366) "threads" (running)
3 Thread 0x7ffff77bf700 (LWP 19367) "threads" thread_function1 (arg=0x1)
at threads.c:87
(gdb)
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>From gdb-prs-return-19011-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 31 14:21:42 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug threads/19422] in non-stop mode, gdb does not print thread
which stops
Date: Thu, 31 Dec 2015 14:21:00 -0000
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--- Comment #2 from Pedro Alves <palves at redhat dot com> ---
On the "Program received signal" bit, see a previous attempt and discussion
here:
https://www.sourceware.org/ml/gdb/2012-11/msg00010.html
I've actually been messing with revamping thread id printing. Maybe I'll
revise the old attempt after this one goes in:
https://www.sourceware.org/ml/gdb-patches/2015-12/msg00527.html
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>From gdb-prs-return-19012-listarch-gdb-prs=sources.redhat.com@sourceware.org Thu Dec 31 18:49:58 2015
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From: "palves at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug threads/19422] in non-stop mode, gdb does not print thread
which stops
Date: Thu, 31 Dec 2015 18:49:00 -0000
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--- Comment #3 from Pedro Alves <palves at redhat dot com> ---
I actually gave this a try now. I've pushed the WIP to
https://github.com/palves/gdb/commits/palves/show-which-thread-caused-stop .
Below's how it currently looks.
I initially thought of lowercasing "breakpoint" in "Thread 1 hit Breakpoint 4",
but then realized that leaving it uppercase helps the eye quickly find the
relevant information. It's also easier to implement not showing anything about
threads until the program goes multi-threaded, per the upstream discussion in
2012.
Is this along the lines of what you'd expect?
(gdb) c -a&
Continuing.
(gdb) interrupt -a
(gdb)
Thread 1 "main" stopped.
0x0000003616a09237 in pthread_join (threadid=140737353877248,
thread_return=0x7fffffffd5b8) at pthread_join.c:92
92 lll_wait_tid (pd->tid);
Thread 2 "foo" stopped.
0x0000003615ebc6ed in nanosleep () at ../sysdeps/unix/syscall-template.S:81
81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
Thread 3 "bar" stopped.
0x0000003615ebc6ed in nanosleep () at ../sysdeps/unix/syscall-template.S:81
81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
b threads.c:87
Breakpoint 4 at 0x40087a: file threads.c, line 87.
(gdb) b threads.c:67
Breakpoint 5 at 0x400811: file threads.c, line 67.
(gdb) c -a&
Continuing.
(gdb)
Thread 3 "bar" hit Breakpoint 4, thread_function1 (arg=0x1) at threads.c:87
87 usleep (1); /* Loop increment. */
Thread 2 "foo" hit Breakpoint 5, thread_function0 (arg=0x0) at threads.c:68
68 (*myp) ++;
info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc1740 (LWP 31957) "main" (running)
2 Thread 0x7ffff7fc0700 (LWP 31961) "foo" thread_function0 (arg=0x0) at
threads.c:68
3 Thread 0x7ffff77bf700 (LWP 31962) "bar" thread_function1 (arg=0x1) at
threads.c:87
(gdb) shell kill -SIGINT 31957
(gdb)
Thread 1 "main" received signal SIGINT, Interrupt.
0x0000003616a09237 in pthread_join (threadid=140737353877248,
thread_return=0x7fffffffd5b8) at pthread_join.c:92
92 lll_wait_tid (pd->tid);
info threads
Id Target Id Frame
* 1 Thread 0x7ffff7fc1740 (LWP 31957) "main" 0x0000003616a09237 in
pthread_join (threadid=140737353877248, thread_return=0x7fffffffd5b8) at
pthread_join.c:92
2 Thread 0x7ffff7fc0700 (LWP 31961) "foo" thread_function0 (arg=0x0) at
threads.c:68
3 Thread 0x7ffff77bf700 (LWP 31962) "bar" thread_function1 (arg=0x1) at
threads.c:87
(gdb) t 1.2
[Switching to thread 2, Thread 0x7ffff7fc0700 (LWP 31961) "foo"]
#0 thread_function0 (arg=0x0) at threads.c:68
68 (*myp) ++;
(gdb) catch syscall
Catchpoint 6 (any syscall)
(gdb) c&
Continuing.
(gdb)
Thread 2 "foo" hit Catchpoint 6 (call to syscall nanosleep), 0x0000003615ebc6ed
in nanosleep () at ../sysdeps/unix/syscall-template.S:81
81 T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
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* [Bug gdb/19194] Typo "functiop" in gdb manpage
2015-10-31 17:56 [Bug gdb/19194] New: Typo "functiop" in gdb manpage cooks.go.hungry at gmail dot com
@ 2020-07-15 12:06 ` andrew.burgess at embecosm dot com
0 siblings, 0 replies; 2+ messages in thread
From: andrew.burgess at embecosm dot com @ 2020-07-15 12:06 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=19194
Andrew Burgess <andrew.burgess at embecosm dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sourceware at michaelkeating dot c
| |om
--- Comment #3 from Andrew Burgess <andrew.burgess at embecosm dot com> ---
*** Bug 26242 has been marked as a duplicate of this bug. ***
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