* [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
@ 2010-03-09 20:00 mjw at redhat dot com
2010-03-10 9:31 ` [Bug runtime/11364] " mjw at redhat dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-09 20:00 UTC (permalink / raw)
To: systemtap
After this commit:
commit f43a495397a431683f2b5ee8ad827f77b82f5f09
Author: Stan Cox <scox@redhat.com>
Date: Tue Mar 9 10:50:14 2010 -0500
Only use volatile for sdt.h arguments when needed.
sdt.h (VOLATILE_ARG): gcc 4.4.3 support for inline asm
argument debug info means volatile is not needed.
The following testcase started failing:
Running /home/mark/systemtap/testsuite/systemtap.base/cxxclass.exp ...
FAIL: cxxclass
=== systemtap Summary ===
# of expected passes 1
# of unexpected failures 1
Running /home/mark/systemtap/testsuite/systemtap.base/cxxclass.exp ...
Executing on host: g++
/home/mark/systemtap/testsuite/systemtap.base/cxxclass.cxx -g -O2
-I/home/mark/systemtap/testsuite/../includes -lm -o cxxclass.exe (timeout
= 300)
PASS: cxxclass.c compile
executing: stap /home/mark/systemtap/testsuite/systemtap.base/cxxclass.stp
cxxclass.exe -c ./cxxclass.exe
FAIL: cxxclass
line 1: expected "main_enter"
Got "semantic error: failed to retrieve location attribute for local 'arg3'
(dieoffset: 0x599): identifier '$arg3' at
/home/mark/systemtap/testsuite/systemtap.base/cxxclass.stp:28:57"
This is on fedora 12 x86_64 with g++ (GCC) 4.4.3 20100127 (Red Hat 4.4.3-4)
--
Summary: cxxclass.exp fails with latest std.h and g++ (Red Hat
4.4.3-4)
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mjw at redhat dot com
CC: scox at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=11364
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
@ 2010-03-10 9:31 ` mjw at redhat dot com
2010-03-10 9:49 ` mjw at redhat dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-10 9:31 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-10 09:31 -------
This commit makes things work again:
commit 985adad37f66be2b1796641360296b7632c7f290
Author: Stan Cox <scox@redhat.com>
Date: Tue Mar 9 17:40:04 2010 -0500
Include __GNUC_RH_RELEASE__ in the volatile check.
sdt.h (GNUC_VERSION) Include __GNUC_RH_RELEASE__. Check for at least gcc 4.4.4
Do you happen to know which 4.4.4 commit made it work, that isn't in 4.4.3?
(I even tried the fedora 12 4.4.3-8 version, which still fails if the above
check is "downgraded").
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11364
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
2010-03-10 9:31 ` [Bug runtime/11364] " mjw at redhat dot com
@ 2010-03-10 9:49 ` mjw at redhat dot com
2010-03-10 9:59 ` mjw at redhat dot com
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-10 9:49 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-10 09:49 -------
Also tried with g++ (GCC) 4.4.3 20100309 (Red Hat 4.4.3-9) which also still fails.
We really should try to figure out what 4.4.4 patch does make this work.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11364
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
2010-03-10 9:31 ` [Bug runtime/11364] " mjw at redhat dot com
2010-03-10 9:49 ` mjw at redhat dot com
@ 2010-03-10 9:59 ` mjw at redhat dot com
2010-03-11 21:27 ` mjw at redhat dot com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-10 9:59 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-10 09:59 -------
BTW. The test/guard is: #if GNUC_VERSION >= 4040400 && ! defined VOLATILE
What about a program that might be using VOLATILE as define already?
Can't we use something a bit less likely to be used?
--
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
` (2 preceding siblings ...)
2010-03-10 9:59 ` mjw at redhat dot com
@ 2010-03-11 21:27 ` mjw at redhat dot com
2010-03-11 21:31 ` mjw at redhat dot com
2010-03-17 15:24 ` mjw at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-11 21:27 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-11 21:27 -------
See also: https://bugzilla.redhat.com/show_bug.cgi?id=572260
"missing debuginfo for inline asm arg in c++ method"
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11364
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
` (3 preceding siblings ...)
2010-03-11 21:27 ` mjw at redhat dot com
@ 2010-03-11 21:31 ` mjw at redhat dot com
2010-03-17 15:24 ` mjw at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-11 21:31 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-11 21:31 -------
Upstream gcc bug: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43329
"Early inlining causes suboptimal debug info"
--
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* [Bug runtime/11364] cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4)
2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
` (4 preceding siblings ...)
2010-03-11 21:31 ` mjw at redhat dot com
@ 2010-03-17 15:24 ` mjw at redhat dot com
5 siblings, 0 replies; 7+ messages in thread
From: mjw at redhat dot com @ 2010-03-17 15:24 UTC (permalink / raw)
To: systemtap
------- Additional Comments From mjw at redhat dot com 2010-03-17 15:24 -------
commit 6ccb243c59eff3ac89072b112414c50d6ef6cf3b
Author: Mark Wielaard <mjw@redhat.com>
Date: Wed Mar 17 15:41:02 2010 +0100
PR11364 sdt.h volatile for args isn't needed with gcc 4.5 or rh 4.4.3-10+
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=11364
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2010-03-09 20:00 [Bug runtime/11364] New: cxxclass.exp fails with latest std.h and g++ (Red Hat 4.4.3-4) mjw at redhat dot com
2010-03-10 9:31 ` [Bug runtime/11364] " mjw at redhat dot com
2010-03-10 9:49 ` mjw at redhat dot com
2010-03-10 9:59 ` mjw at redhat dot com
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