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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
@ 2013-09-05 20:41 ` dje at google dot com
2013-09-05 20:59 ` jan.kratochvil at redhat dot com
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From: dje at google dot com @ 2013-09-05 20:41 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
dje at google dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ccoutant at google dot com,
| |dje at google dot com
--- Comment #1 from dje at google dot com ---
Another variant that needs to be handled:
Gold sets PF_W for the GNU_RELRO segment and strip removes it.
This causes the following to fail:
bash$ gdb binary.unstripped core.from.stripped
svr4_exec_displacement thinks the core doesn't match the binary
(because of a program segment header mismatch in the flags field)
and the addresses from the core file are not applied.
I think it's reasonable to ignore the flags field for the purposes of this
test,
but maybe I'm missing something.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
2013-09-05 20:41 ` [Bug gdb/11786] PIE support may not work for some PIEs dje at google dot com
@ 2013-09-05 20:59 ` jan.kratochvil at redhat dot com
2013-09-05 21:37 ` dje at google dot com
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From: jan.kratochvil at redhat dot com @ 2013-09-05 20:59 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jan.kratochvil at redhat dot com
--- Comment #2 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
I just like the checks not to ignore unknown things so I would ignore just
PF_W.
But I agree ignoring whole flags for GNU_RELRO would be also fine. Ignoring
flags everywhere I am not so sure.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
2013-09-05 20:41 ` [Bug gdb/11786] PIE support may not work for some PIEs dje at google dot com
2013-09-05 20:59 ` jan.kratochvil at redhat dot com
@ 2013-09-05 21:37 ` dje at google dot com
2013-09-05 21:45 ` dje at google dot com
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From: dje at google dot com @ 2013-09-05 21:37 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #3 from dje at google dot com ---
For my own education (as I'm not familiar with all the ways this bit of code is
used), suppose we ignore the flags field for all segments: what's the worst
that could happen?
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
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2013-09-05 21:37 ` dje at google dot com
@ 2013-09-05 21:45 ` dje at google dot com
2013-09-06 7:10 ` jan.kratochvil at redhat dot com
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From: dje at google dot com @ 2013-09-05 21:45 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
dje at google dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ppluzhnikov at google dot com
--- Comment #4 from dje at google dot com ---
Gold also sets the alignment (p_align) of GNU_RELRO differently.
So maybe ignore p_flags, p_align for GNU_RELRO?
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (3 preceding siblings ...)
2013-09-05 21:45 ` dje at google dot com
@ 2013-09-06 7:10 ` jan.kratochvil at redhat dot com
2013-09-06 7:13 ` jan.kratochvil at redhat dot com
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From: jan.kratochvil at redhat dot com @ 2013-09-06 7:10 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #5 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
(In reply to dje from comment #3)
> suppose we ignore the flags field for all segments: what's the
> worst that could happen?
If you use non-matching build of an executable it may get incorrectly relocated
by some small displacement. (*1)
People sometimes try to use non-matching build, IMO it cannot give meaningful
output but it may make their attempts even more difficult when the executable
gets "randomly" displaced. Currently GDB does not display any notice it used
PIE displacement (and there is also no longer any notice it used PIC
displacement), unless one has "set verbose" (which nobody has). This may make
a falsely-matched displacement a pain.
(*1) Currently the displacement still has to be PAGE_SIZE aligned, if it is not
PAGE_SIZE aligned no displacement gets used. But I have TODOlisted I should
recheck the PAGE_SIZE requirement as it was removed for shlibs by
2da7921acc5c7b327b3619a95ca7ca36a0314dc4 and IMO it should be equally removed
for compatibility with prelinked/unprelinked PIE executables.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (4 preceding siblings ...)
2013-09-06 7:10 ` jan.kratochvil at redhat dot com
@ 2013-09-06 7:13 ` jan.kratochvil at redhat dot com
2013-09-06 16:03 ` ppluzhnikov at google dot com
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From: jan.kratochvil at redhat dot com @ 2013-09-06 7:13 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #6 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
(In reply to dje from comment #4)
> Gold also sets the alignment (p_align) of GNU_RELRO differently.
Differently than... bfd ld? gold vs. ld executables are a different build
which cannot match / is not guaranteed to match. Therefore gold vs. ld
executable should be found as differentl, therefore GNU_RELRO p_align _should_
be verified by svr4_exec_displacement.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (5 preceding siblings ...)
2013-09-06 7:13 ` jan.kratochvil at redhat dot com
@ 2013-09-06 16:03 ` ppluzhnikov at google dot com
2013-09-06 16:42 ` dje at google dot com
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17 siblings, 0 replies; 19+ messages in thread
From: ppluzhnikov at google dot com @ 2013-09-06 16:03 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #7 from Paul Pluzhnikov <ppluzhnikov at google dot com> ---
Would it be reasonable to check NT_GNU_BUILD_ID, and skip the Phdr check
entirely on a match?
(In reply to Jan Kratochvil from comment #6)
> Differently than... bfd ld? gold vs. ld executables are a different build
> which cannot match / is not guaranteed to match.
The flow here (Google b/10274851) is:
(gold-linked, PIE) unstripped -> "strip -g" -> stripped -> core
gdb stripped core # works, but no debug info :-(
gdb unstripped core # fails to relocate the binary :-(
Gold and strip do not agree on p_flags and p_align of GNU_RELRO,
but the "unstripped" and "stripped" *are* exact match.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (6 preceding siblings ...)
2013-09-06 16:03 ` ppluzhnikov at google dot com
@ 2013-09-06 16:42 ` dje at google dot com
2013-09-06 17:04 ` jan.kratochvil at redhat dot com
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From: dje at google dot com @ 2013-09-06 16:42 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #8 from dje at google dot com ---
(In reply to Jan Kratochvil from comment #5)
> (In reply to dje from comment #3)
> > suppose we ignore the flags field for all segments: what's the
> > worst that could happen?
>
> If you use non-matching build of an executable it may get incorrectly
> relocated by some small displacement. (*1)
>
> People sometimes try to use non-matching build, IMO it cannot give
> meaningful output but it may make their attempts even more difficult when
> the executable gets "randomly" displaced. Currently GDB does not display
> any notice it used PIE displacement (and there is also no longer any notice
> it used PIC displacement), unless one has "set verbose" (which nobody has).
> This may make a falsely-matched displacement a pain.
>
> (*1) Currently the displacement still has to be PAGE_SIZE aligned, if it is
> not PAGE_SIZE aligned no displacement gets used. But I have TODOlisted I
> should recheck the PAGE_SIZE requirement as it was removed for shlibs by
> 2da7921acc5c7b327b3619a95ca7ca36a0314dc4 and IMO it should be equally
> removed for compatibility with prelinked/unprelinked PIE executables.
If the addresses/displacements are different, sure. One recognizes that going
in.
But I asked about the flags field.
btw, 2da7921acc5c7b327b3619a95ca7ca36a0314dc4: kinda meaningless without some
reference to a repository. For archeology's sake, IWBN to record that here.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (7 preceding siblings ...)
2013-09-06 16:42 ` dje at google dot com
@ 2013-09-06 17:04 ` jan.kratochvil at redhat dot com
2013-10-25 18:56 ` dje at google dot com
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From: jan.kratochvil at redhat dot com @ 2013-09-06 17:04 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #9 from Jan Kratochvil <jan.kratochvil at redhat dot com> ---
(In reply to Paul Pluzhnikov from comment #7)
> Would it be reasonable to check NT_GNU_BUILD_ID, and skip the Phdr check
> entirely on a match?
That is a great idea. I have verified build-id computations checksum also the
relevant parts of program headers and section headers.
> The flow here (Google b/10274851) is:
>
> (gold-linked, PIE) unstripped -> "strip -g" -> stripped -> core
>
> gdb stripped core # works, but no debug info :-(
> gdb unstripped core # fails to relocate the binary :-(
>
> Gold and strip do not agree on p_flags and p_align of GNU_RELRO,
> but the "unstripped" and "stripped" *are* exact match.
OK, that should be sure safe to ignore p_flags and p_align of GNU_RELRO.
(I am curious you do not use separate .debug file instead of unstripped file
bat that is off-topic here.)
(In reply to dje from comment #8)
> btw, 2da7921acc5c7b327b3619a95ca7ca36a0314dc4: kinda meaningless without
> some reference to a repository. For archeology's sake, IWBN to record that
> here.
http://sourceware.org/git/?p=gdb.git - but (a) I am not sure if the new GDB GIT
will not be on the same URL. (b) I believe we will need old hash -> new hash
mapper anyway.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (8 preceding siblings ...)
2013-09-06 17:04 ` jan.kratochvil at redhat dot com
@ 2013-10-25 18:56 ` dje at google dot com
2013-11-04 22:15 ` dje at google dot com
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From: dje at google dot com @ 2013-10-25 18:56 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #10 from dje at google dot com ---
(In reply to Paul Pluzhnikov from comment #7)
> Would it be reasonable to check NT_GNU_BUILD_ID, and skip the Phdr check
> entirely on a match?
>
> (In reply to Jan Kratochvil from comment #6)
> > Differently than... bfd ld? gold vs. ld executables are a different build
> > which cannot match / is not guaranteed to match.
>
> The flow here (Google b/10274851) is:
>
> (gold-linked, PIE) unstripped -> "strip -g" -> stripped -> core
>
> gdb stripped core # works, but no debug info :-(
> gdb unstripped core # fails to relocate the binary :-(
>
> Gold and strip do not agree on p_flags and p_align of GNU_RELRO,
> but the "unstripped" and "stripped" *are* exact match.
What if the core file doesn't have NT_GNU_BUILD_ID?
E.g., what if the program headers in the core file (obtained via auxv search,
ref: gdb/solib-svr4.c:read_program_header) refer to addresses only in the
executable?
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (9 preceding siblings ...)
2013-10-25 18:56 ` dje at google dot com
@ 2013-11-04 22:15 ` dje at google dot com
2013-11-08 0:45 ` cvs-commit at gcc dot gnu.org
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From: dje at google dot com @ 2013-11-04 22:15 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #11 from dje at google dot com ---
>From https://sourceware.org/ml/gdb-patches/2013-10/msg00935.html
CentOS-5 has additional problems: the filesz and memsz fields don't match b/w
stripped and non-stripped binaries.
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* [Bug gdb/11786] PIE support may not work for some PIEs
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From: cvs-commit at gcc dot gnu.org @ 2013-11-08 0:45 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #12 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
via 204b53315d81361b008036d93c355ab1f2a44997 (commit)
from 459d52c84aa5eee986006b793794e382861c073d (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=204b53315d81361b008036d93c355ab1f2a44997
commit 204b53315d81361b008036d93c355ab1f2a44997
Author: Doug Evans <dje@google.com>
Date: Thu Nov 7 16:43:39 2013 -0800
PR 11786
* solib-svr4.c (svr4_exec_displacement): Ignore filesz, memsz, flags
and align fields for PT_GNU_RELRO segments.
testsuite/
* gdb.base/gcore-relro-pie.c: New file.
* gdb.base/gcore-relro-pie.exp: New file.
-----------------------------------------------------------------------
Summary of changes:
gdb/ChangeLog | 6 ++
gdb/solib-svr4.c | 44 ++++++++++++++++
gdb/testsuite/ChangeLog | 6 ++
gdb/testsuite/gdb.base/gcore-relro-pie.c | 41 +++++++++++++++
gdb/testsuite/gdb.base/gcore-relro-pie.exp | 75 ++++++++++++++++++++++++++++
5 files changed, 172 insertions(+), 0 deletions(-)
create mode 100644 gdb/testsuite/gdb.base/gcore-relro-pie.c
create mode 100644 gdb/testsuite/gdb.base/gcore-relro-pie.exp
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (11 preceding siblings ...)
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From: cvs-commit at gcc dot gnu.org @ 2013-12-13 16:52 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=11786
--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gdb and binutils".
The annotated tag, hjl/linux/release/2.24.51.0.2 has been created
at bc64dc5b95aa848d7274e4648d667b9b1065d88c (tag)
tagging bbd7f545f1639be4573ba06ed688b8db670d4597 (commit)
replaces hjl/linux/release/2.24.51.0.1
tagged by H.J. Lu
on Fri Dec 13 08:44:03 2013 -0800
- Log -----------------------------------------------------------------
Linux binutils 2.24.51.0.2
Alan Modra (47):
daily update
daily update
daily update
daily update
daily update
Correct elf64-ppc.c handling of protected symbols
PowerPC64 ELFv2, allocate dynreloc space for ifunc
daily update
daily update
daily update
daily update
PowerPC64 ELFv2 trampoline match
Fixes to powerpc64 gold ELFv2 support
Add missing ChangeLog for 88b8e63904fda25c029deaf25d7b4e489b351470
daily update
daily update
daily update
daily update
daily update
daily update
daily update
Import config.sub and config.guess from upstream.
daily update
daily update
daily update
daily update
daily update
daily update
daily update
daily update
daily update
daily update
daily update
PowerPC64 linking of --just-symbols objects (klibc)
More PowerPC64 ELFv2 --just-symbols fixes
daily update
daily update
daily update
daily update
daily update
Fix --as-needed undefined symbol references from dynamic libraries.
correct file reference
daily update
daily update
daily update
daily update
daily update
Alexey Makhalov (1):
PR gas/16109
Andreas Arnez (3):
S390: Fix TDB regset recognition
Fix GDB crash with upstream GCC due to qsort(NULL, ...)
Fix GDB crash with upstream GCC due to memcpy(NULL, ...)
Andrew Burgess (6):
Mark entirely optimized out value as non-lazy.
Tighten regexp in gdb.base/setshow.exp
Make "set debug frame 1" use the standard print routine for optimized out
values.
Print entirely unavailable struct/union values as a single <unavailable>.
Add support for DW_OP_bit_piece and DW_OP_plus_uconst to DWARF assembler.
Add call to get_compiler_info to gdb_compile_shlib.
Andrew Pinski (2):
ld/ChangeLog:
ld/ChangeLog:
Anthony Green (1):
Add software single step support to moxie port
Cary Coutant (6):
Fix assert failure with --emit-relocs and .eh_frame sections.
Fix race condition while building EH frame header.
Add --verify-only option to DWP.
Revert "Fix race condition while building EH frame header."
Use in-tree assembler for exception_x86_64_bnd_test.
Add check for which library is needed for dlopen.
Catherine Moore (4):
2013-11-11 Catherine Moore <clm@codesourcery.com>
Fix ChangeLog entries from earlier commit.
2013-11-19 Catherine Moore <clm@codesourcery.com>
2013-11-19 Catherine Moore <clm@codesourcery.com>
Chung-Lin Tang (1):
Separate emulations for nios2-elf and nios2-linux.
Conrad Hoffmann (1):
* gprof.c (inline_file_names): New variable.
Cory Fields (1):
* windres.c (define_resource): Use zero for timestamp, making
Doug Evans (42):
* gdb.python/py-arch.exp: Tweak test name for bad memory access test.
Add pretty-printing of .debug_gnu_pubnames, .debug_gnu_pubtypes.
PR 11786
Fix email address in earlier entry.
Change "set debug symtab-create" to take a verbosity level.
Change "set debug dwarf2-read" to take a verbosity level.
* gdb.arch/arm-bl-branch-dest.exp: Use gdb_test_file_name instead
Work around gold/15646.
* gdb.base/fileio.exp: Make $dir2 writable after the test is done
* breakpoint.c (bpstat_check_breakpoint_conditions): Assert
fix email address in earlier commit
* breakpoint.c (breakpoint_cond_eval): Fix and enhance comment.
* breakpoint.c (bpstat_check_breakpoint_conditions): For thread
* gdb.python/py-breakpoint.exp: Split up into several functions,
* gdb.python/py-breakpoint.exp: Reformat for 80 columns.
* gdb.python/py-breakpoint.exp: Make tests have unique names.
* linux-low.c (resume_status_pending_p): Tweak comment.
* linux-low.c (linux_set_resume_request): Fix comment.
Move types_deeply_equal from py-type.c to gdbtypes.c.
cli/cli-script.c (multi_line_command_p): New function.
* python/py-frame.c (frapy_block): Fix error message text.
* python/py-frame.c (gdbpy_initialize_frames): Remove FIRST_ERROR,
* gdb.python/python.exp: Don't call skip_python_tests, we still want
Fix long line in earlier entry.
* gdb.python/py-symbol.exp: Fix whitespace.
* gdb.python/py-symbol.exp: Add some comments. Make all test names
unique.
* gdb.python/py-type.exp (test_enums): Fix typo.
Test name tweaks for py-value.exp.
* gdb.base/ena-dis-br.exp: Add missing quote to "step after continue
* configure.ac: Add comments delineating libpython and libmcheck.
fix spelling in previous entry
Rename breakpoint_object to gdbpy_breakpoint_object.
Remove trailing whitespace.
* python/py-auto-load.c (source_section_scripts): Move comment to
Move .debug_gdb_script processing to auto-load.c.
* auto-load.c (load_auto_scripts_for_objfile): Add some comments.
fix date in previous entry
* gdb.base/break.exp: Fix setting of $baz.
Delete interp_exec_p.
PR 16286
add missing PR# to previous entry
* dwarf2read.c (lookup_dwo_cutu): Include name of dwp file in
Edjunior Barbosa Machado (1):
Fix argument type on gdbsim_detach prototype.
Eli Zaretskii (2):
doc/gdb.texinfo (i386): Fix yesterday's commit.
Fix the manual more thoroughly.
H.J. Lu (45):
Add binutils-sharable.patch
Add binutils-lto-mixed.patch
Add binutils-pr12639.patch
Add binutils-secondary.patch
Mention hjl.tools@gmail.com in bug URL
Set BFD version to 2.24.51.0.1
Remove strayed entry
Remove CpuNop from CPU_K6_2_FLAGS
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Update bfd version to 2.24.51.0.2
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Make room for PLT0 directly
Add R_X86_64_PC32_BND and R_X86_64_PLT32_BND
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Add R_X86_64_PC32_BND/R_X86_64_PLT32_BND suppor to gold
Add a dummy "int bnd_prefix" argument
Update x86 gas tests for mingw
Re-indent elf_x86_64_section_from_shdr
Add mpx1static, mpx2 and mpx2static tests
Add bnd-branch-1 test
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Add HOSTING_SLIBS and use it for -pie
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Fix a typo
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Add the missing ChangeLog entry
Add -ffat-lto-objects to STAGE[23]_CFLAGS
Add -ldl to POSTSTAGE1_LDFLAGS
Add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/
Remove -lpthread -ldl and add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Add a test for --as-needed with symbol versioning
Remove shared object from -Ttext-segment
Set ET_EXEC for -pie -Ttext-segment=
Add "#..."
Remove bfd_elf32_bfd_set_private_bfd_flags
Also copy EI_OSABI field
Merge remote-tracking branch 'origin/master' into hjl/linux/master
Apply fixes for PRs 16317/16322
Merge remote-tracking branch 'origin/hjl/linux/master' into
hjl/linux/applied
Apply binutils-pr16317.patch
Apply binutils-pr16322.patch
Update release note for 2.24.51.0.2
Jan Kratochvil (2):
gdb/NEWS: Fix typo
Record objfile->original_name as an absolute path
Jan-Benedict Glaw (1):
2013-11-08 Jan-Benedict Glaw <jbglaw@lug-owl.de
Joel Brobecker (42):
Minor reformatting in remote-sim.c (gdbsim_detach declaration).
Dandling memory pointers in Ada catchpoints with GDB/MI.
Add command to list Ada exceptions
Implement GDB/MI equivalent of "info exceptions" CLI command.
Document "info exceptions" and "-info-ada-exception" new commands.
Add missing ChangeLog entry for a7e332c24b77168bc61d4ee776bf29c831fbbc88
Small fix (first word of sentence to start with capital letter)
crash while re-reading symbols from objfile on ppc-aix.
Replace "info-ada-exceptions" by "ada-exceptions" in -list-features
language.h: Add "symtab.h" #include
New function cli-utils.c:extract_arg_const
GDB/MI: Add new "--language LANG" command option.
Fix DW_OP_GNU_regval_type with FP registers
Start inferior before running test listing Ada exceptions.
gdb.ada/info_exc.exp,mi_exc_info.exp: handle runtimes with full debug
info.
gdb.ada/info_exc.exp,mi_exc_info.exp: Use more unique exception name.
Rename "read_reg" into "read_addr_from_reg" in struct
dwarf_expr_context_funcs
Add "language-option" to -list-features
mi-language.exp: Check "langauge-option" in -list-features output.
gdb_ari.sh: Remove entries for dirent.h and stat.h.
Fix int() builtin with range type gdb.Value objects.
get rid of py-value.c:is_intlike (use is_integral_type instead)
Makefile.in (HFILES_NO_SRCDIR): Remove "common/gdb_string.h".
Remove last traces of gdb_stat.h.
Makefile.in (HFILES_NO_SRCDIR): Remove "common/gdb_dirent.h".
Fix filestuff.c build error if RLIMIT_NOFILE not defined.
New GDB/MI command "-info-gdb-mi-command"
Add "undefined-command" error code at end of ^error result...
Remove all trailing spaces in mi/mi-main.c.
Remove "ada-exceptions" from -list-features output.
NEWS: Extend documentation of the new GDB/MI --language option.
crash evaluating bogus exception condition expression (sparc-solaris)
Ada: Reserved word "all" should not need to be spelled in lowercase.
Minor coding-style fixes in ada-lex.l:find_dot_all.
Allow Windows UNWIND_INFO version 2.
Uninitialized variable "this_id" in frame.c:get_prev_frame_1.
Document the GDB 7.6.2 release in gdb/ChangeLog
Fix gdb/ChangeLog date in last entry.
nameless LOAD_DLL_DEBUG_EVENT causes ntdll.dll to be missing
GDB/MI: Document support for -exec-run --start in -list-features
Set language for Ada minimal symbols.
Add @cindex for section documenting the -list-features GDB/MI command.
Jose E. Marchesi (4):
2013-11-07 Jose E. Marchesi <jose.marchesi@oracle.com>
sparc: support single-stepping over longjmp calls.
testsuite: handle SIGLOST/SIGPWR conflict in sparc64-*-linux-gnu targets.
Fixed typo in date in testsuite/ChangeLog entry
Keith Seitz (4):
Fix regressions caused by const-ify linespec patch:
PR c++/7539
Fix PR # dyslexia in ChangeLog for previous commit. It should have
PR c++/14819: Explicit class:: inside class scope does not work
Keven Boell (1):
testsuite: introduce index in varobj child eval.
Kyrylo Tkachov (1):
[ld/testsuite/]
Luis Machado (2):
* lib/mi-support.exp (mi_gdb_test): Expect different formats
* gdb.base/callfuncs.c (main): Assign malloc's return value
Maciej W. Rozycki (1):
MIPS/opcodes: Add MFCR and MTCR data dependencies
Michael Zolotukhin (1):
Reorder invalid default mask check
Mike Frysinger (3):
gdb: testsuite: fix ksh shebang to use sh
strip off +x bits on non-executable/script files
sim: bfin: tests: make run-tests.sh executable
Nick Clifton (8):
* rescoff.c (write_coff_file): Use 64-bit alignment for resource
PR ld/16082
PR ld/16017
* config/tc-aarch64.c (parse_sys_reg): Do not issue error messages
* scripttempl/elf32msp430.sc (.data): Set the based on the next
PR ld/16192
* peXXigen.c (pe_print_resource_entries): New function: Displays
* s390-mkopc.c (dumpTable): Provide a format string to printf so
Omair Javaid (1):
testsuite/gdb.dwarf2: dw2-case-insensitive.exp: p fuNC_lang fails on arm
Pedro Alves (36):
infrun.c:handle_inferior_event: Don't fall through in
TARGET_WAITKIND_LOADED handling.
infrun.c:handle_inferior_event: Move comment.
infrun.c: Don't set ecs->random_signal for "catchpoint" events (eliminate
ecs->random_signal).
infrun.c:handle_inferior_event: Rework random signal checks.
Eliminate enum bpstat_signal_value, simplify random signal checks
further.
infrun.c: Split handle_inferior_event further.
infrun.c:handle_signal_stop: Move initial connection/attachment handling
code earlier.
Simplify dwarf2-frame.c:read_addr_from_reg.
Make the maint.exp:'maint print objfiles' test less fragile.
Add missing ChangeLog entry.
Don't let two frames with the same id end up in the frame chain.
Make use of the frame stash to detect wider stack cycles.
Eliminate dwarf2_frame_cache recursion, don't unwind from the dwarf2
sniffer (move dwarf2_tailcall_sniffer_first elsewhere).
Revert "Eliminate dwarf2_frame_cache recursion, don't unwind from the
dwarf2 sniffer (move dwarf2_tailcall_sniffer_first elsewhere)."
Revert "Make use of the frame stash to detect wider stack cycles."
Revert "Don't let two frames with the same id end up in the frame chain."
Eliminate dwarf2_frame_cache recursion, don't unwind from the dwarf2
sniffer (move dwarf2_tailcall_sniffer_first elsewhere).
Don't let two frames with the same id end up in the frame chain.
Make use of the frame stash to detect wider stack cycles.
Rename gdb.dwarf2/dw2-bad-cfi.* to gdb.dwarf2/dw2-unspecified-ret-addr.*.
Make "set debug frame 1" output print <not saved> instead of <optimized
out>.
Fix type of not saved registers.
Fix PR 16152's ChangeLog entry.
register: "optimized out" -> "not saved".
get_prev_frame, UNWIND_NULL_ID -> UNWIND_OUTERMOST
get_prev_frame, outer_frame_id and unwind->stop_reason checks are
redundant.
get_prev_frame, stop_reason != UNWIND_NO_REASON, add frame debug output.
Plug target side conditions and commands leaks.
UNWIND_NULL_ID is no longer used anywhere. Update comments.
Handle 'k' packet TARGET_CLOSE_ERROR gracefully.
gnulib's sys/stat.h always defines S_IRGRP, S_IXGRP, S_IXOTH.
Add new target_read_raw_memory function, and consolidate comments.
New OPTIMIZED_OUT_ERROR error code.
Fix "info frame" in the outermost frame.
Eliminate UNSUPPORTED_ERROR.
breakpoint.c:insert_bp_location: Constify local.
Phil Muldoon (4):
2013-11-07 Phil Muldoon <pmuldoon@redhat.com>
2013-11-07 Phil Muldoon <pmuldoon@redhat.com>
2013-11-07 Phil Muldoon <pmuldoon@redhat.com>
2013-11-11 Phil Muldoon <pmuldoon@redhat.com>
Pierre Muller (1):
Fix completion for pascal language.
Richard Sandiford (1):
binutils/testsuite/
Roland McGrath (4):
Set CPU type in BFD backend for x86_64-nacl* and i?86-nacl* targets
Fix references to __ehdr_start when it cannot be defined
Fix *-nacl* target objcopy/strip of binary made with custom linker script
Use $(INSTALL_PROGRAM_ENV) consistently.
Samuel Bronson (2):
MAINTAINERS (Write After Approval): Add myself to the list.
Resurrect gdb-add-index as a contrib script
Sanimir Agovic (1):
test: test eval routines with EVAL_AVOID_SIDE_EFFECTS flag set
Senthil Kumar Selvaraj (1):
* scripttempl/avr.sc: Set .data section's LMA to next available
Sergio Durigan Junior (2):
Remove gdb_string.h from gdbarch.sh
Sanitize access to gdbarch on the SDT probe API (and fix ARM bug)
Siva Chandra (1):
2013-12-12 Siva Chandra Reddy <sivachandra@google.com>
Steffen Sledz (1):
gdb: fix cygwin check in configure script
Sterling Augustine (2):
2013-11-22 Sterling Augustine <saugustine@google.com>
2013-11-22 Sterling Augustine <saugustine@google.com>
Steve Ellcey (1):
2013-11-25 Steve Ellcey <sellcey@mips.com>
Tom Tromey (42):
constify to_detach
introduce common.m4
remove link.h checks
use gdb_string.h in m32c-tdep.c
gdb configure updates
fix a comment in configure.ac
remove unused gdbserver configury
fix "tkill" check
fix multi-arch-exec for parallel mode
off-by-one fix for py-linetable.c
fix grammar oddity in the manual
print summary from "make check"
fix PR c++/16117
link gdbreplay against gnulib
change how list of modules is computed
import strstr and strerror modules
remove gdb_string.h
don't check for string.h or strings.h
import gnulib dirent module
remove gdb_dirent.h
don't check for stddef.h
stdlib.h is universal too
don't check for unistd.h
sys/types.h cleanup
import gnulib sys/stat.h module
remove gdb_stat.h
remove strerror module
Detect infinite loop in value_fetch_lazy's lval_register handling.
handle an unspecified return address column
update comment in dw2-bad-cfi.S.
revert patch from 2013-11-22
add "dir" menu item for gdbserver
add @kindex for catchpoints
remove some sym_probe_fns methods
make symtab::filename const
make symtab::dirname const
put the psymtab filename in the filename bcache
fix a couple of FIXMEs
pack partial_symtab for space
remove unnecessary declaration
remove objfile_to_front
update free_objfile comment
Tristan Gingold (5):
Fix version.dll binutils test on non native platforms
Improve dump of xdata/pdata on x86_64.
Fix crash on intelbad.
Clear allocated target data.
Add epilog unwind for x86_64 pe/coff
Walfred Tedeschi (9):
Fix conditions in creating a bitfield.
Add MPX registers XML files.
Add MPX support for i386
MPX for amd64
Add MPX support to gdbserver.
Add pretty-printer for MPX bnd registers.
Add MPX registers tests.
Fix PR16193 - gdbserver aborts.
Documentation for MPX.
Will Newton (8):
sim/arm: Prevent NULL pointer dereference in sim_create_inferior.
sim/arm: Prevent crash when running sim with no binary.
sim/ChangeLog: Correct bug number in previous commit.
ld/ARM: Fix script-type testsuite failure.
gdb/arm-tdep.c: Remove "Infinite loop detected" error message.
bfd/elfnn-aarch64.c: Fix miscalculation of GOTPLT offset for ifunc syms.
bfd/elfnn-aarch64.c: Handle static links with ifunc correctly.
ld/testsuite/ld-aarch64: Fixup IFUNC tests to work on all targets
Yao Qi (36):
Constify 'la_name' in struct language_defn
New field 'la_natural_name' in struct language_defn
Remove varobj_language_string, languages and varobj_languages
Fix typo
Remove 'whatever' in lib/mi-support.exp
Fix format issues in lib/mi-support.exp
Remove unnecessary '\'.
Move changelog entry to the right ChangeLog
Remove last_cache
Don't update target_dcache if it is not initialized
Move target-dcache out of target.c
Don't stress 'remote' in "Data Caching" in doc
Add REGISTRY for struct address_space.
Associate target_dcache to address_space.
set_address_space_data if dcache is NULL.
s/see @pxref/@pxref in doc
Doc 'dynamic' for command -var-list-children
Use mi_create_floating_varobj
Check has_more in mi_create_dynamic_varobj
Update doc on displayhint in command -var-list-children
Write "ON" and "OFF" in lower case in GDB doc.
GDB perf test on single step
Renaming in target-dcache.c
set/show code-cache
Use target_read_code in disassemble.
GDB perf test on backtrace
GDB perf test on disassemble
Delegate to target_ops->beneath for TARGET_OBJECT_RAW_MEMORY
Fix typo "checksm"
Fix PR remote/15974
Avoid "may be used uninitialized" warning
Use gdb_produce_source
Invalidate target cache before starting to handle event.
Use target_read_code in skip_prologue (i386)
Use target_read_code in skip_prologue (amd64)
Fix a bug in matching notifications.
Yufeng Zhang (8):
* elfxx-aarch64.c (_bfd_aarch64_elf_grok_prstatus): Fix hard-coded
bfd/
gas/
Revert "Add support for AArch64 trace unit registers."
gas/
Add support for armv7ve to gas.
Revert "Do not issue error messages when parsing a PSTATE register".
gas/testsuite/
bviyer (2):
Added Cilk runtime library (libcilkrts) into GCC.
Disable libcilkrts when C++ is not used.
ccoutant (1):
Fix demangler to handle conversion operators correctly.
gary (1):
libiberty/ 2013-10-25 Gary Benson <gbenson@redhat.com>
gerald (3):
Fix up ChangeLog entries (name, e-mail, formatting, otherwise).
* testsuite/test-expandargv.c: Include unistd.h.
* testsuite/test-demangle.c: Include unistd.h.
glisse (1):
2013-10-29 Marc Glisse <marc.glisse@inria.fr>
jason (1):
/ * Makefile.tpl (STAGE1_CONFIGURE_FLAGS): Pass
--disable-build-format-warnings. gcc/ * configure.ac (loose_warn): Add
-Wno-format if --disable-build-format-warnings.
law (1):
* Makefile.def (target_modules): Remove libmudflap (languages): Remove
check-target-libmudflap). * Makefile.in: Rebuilt. * Makefile.tpl
(check-target-libmudflap-c++): Remove. * configure.ac (target_libraries):
Remove target-libmudflap. Remove checks which disabled libmudflap on some
systems. * configure: Rebuilt. * libmudflap: Directory removed.
rsandifo (1):
include/ * longlong.h: New file.
schwab (1):
config/ * picflag.m4 (m68k-*-*): Use default PIC flag.
sterling (1):
2013-10-22 Sterling Augustine <saugustine@google.com>
tschwinge (2):
* Makefile.tpl: Fix typo. * Makefile.in: Regenerate.
* Makefile.in: Regenerate.
uros (1):
* cp-demangle.c (d_copy_templates): Cast result of malloc to (struct
d_print_template *). (d_print_comp): Cast result of realloc to (struct d_saved
scope *).
-----------------------------------------------------------------------
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (12 preceding siblings ...)
2013-12-13 16:52 ` cvs-commit at gcc dot gnu.org
@ 2014-05-12 15:36 ` derek.cole at gmail dot com
2014-05-12 16:13 ` jan.kratochvil at redhat dot com
` (3 subsequent siblings)
17 siblings, 0 replies; 19+ messages in thread
From: derek.cole at gmail dot com @ 2014-05-12 15:36 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
derek.cole at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
See Also| |https://sourceware.org/bugz
| |illa/show_bug.cgi?id=16935
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^ permalink raw reply [flat|nested] 19+ messages in thread
* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (13 preceding siblings ...)
2014-05-12 15:36 ` derek.cole at gmail dot com
@ 2014-05-12 16:13 ` jan.kratochvil at redhat dot com
2015-09-07 4:05 ` xdje42 at gmail dot com
` (2 subsequent siblings)
17 siblings, 0 replies; 19+ messages in thread
From: jan.kratochvil at redhat dot com @ 2014-05-12 16:13 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |16935
See Also|https://sourceware.org/bugz |
|illa/show_bug.cgi?id=16935 |
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (14 preceding siblings ...)
2014-05-12 16:13 ` jan.kratochvil at redhat dot com
@ 2015-09-07 4:05 ` xdje42 at gmail dot com
2024-01-14 14:36 ` ssbssa at sourceware dot org
2024-12-05 22:11 ` sam at gentoo dot org
17 siblings, 0 replies; 19+ messages in thread
From: xdje42 at gmail dot com @ 2015-09-07 4:05 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
Doug Evans <xdje42 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |xdje42 at gmail dot com
--- Comment #14 from Doug Evans <xdje42 at gmail dot com> ---
Another fun aspect of GNU strip is that it can change the in memory size of the
TLS segment. This is totally broken but whatever.
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (15 preceding siblings ...)
2015-09-07 4:05 ` xdje42 at gmail dot com
@ 2024-01-14 14:36 ` ssbssa at sourceware dot org
2024-12-05 22:11 ` sam at gentoo dot org
17 siblings, 0 replies; 19+ messages in thread
From: ssbssa at sourceware dot org @ 2024-01-14 14:36 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
Hannes Domani <ssbssa at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ssbssa at sourceware dot org
--- Comment #16 from Hannes Domani <ssbssa at sourceware dot org> ---
(In reply to Sourceware Commits from comment #15)
> The master branch has been updated by Simon Marchi <simark@sourceware.org>:
>
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;
> h=be2d111a878e1422c921226bc7714131a5c470fa
>
> commit be2d111a878e1422c921226bc7714131a5c470fa
> Author: Michael Spang <spang@google.com>
> Date: Sun Aug 19 10:55:58 2018 -0400
>
> Fix debugging of stripped PIE executables with padded PT_TLS
>
> Certain PIE executables produced by gold cannot be debugged by gdb after
> being stripped. GDB requires program headers of PIE executables to match,
> and those checks may fail due to adjustments made during stripping.
>
> One case of this occurs because strip recomputes the memsz of PT_TLS and
> does not add alignment, while gold does. This is another variant of PR
> 11786, so apply the same fix of relaxing the program header matching.
>
> gdb/ChangeLog:
>
> PR gdb/11786
> * solib-svr4.c (svr4_exec_displacement): Ignore memsz fields
> for PT_TLS segments.
>
> gdb/testsuite/ChangeLog:
>
> PR gdb/11786
> * gdb.base/gcore-tls-pie.c: New file.
> * gdb.base/gcore-tls-pie.exp: New file.
Can this be closed?
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* [Bug gdb/11786] PIE support may not work for some PIEs
[not found] <bug-11786-4717@http.sourceware.org/bugzilla/>
` (16 preceding siblings ...)
2024-01-14 14:36 ` ssbssa at sourceware dot org
@ 2024-12-05 22:11 ` sam at gentoo dot org
17 siblings, 0 replies; 19+ messages in thread
From: sam at gentoo dot org @ 2024-12-05 22:11 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=11786
Sam James <sam at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |sam at gentoo dot org
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* [Bug gdb/11786] PIE support may not work for some PIEs
2010-07-02 17:14 [Bug gdb/11786] New: " jan dot kratochvil at redhat dot com
@ 2010-08-12 8:28 ` devurandom at gmx dot net
0 siblings, 0 replies; 19+ messages in thread
From: devurandom at gmx dot net @ 2010-08-12 8:28 UTC (permalink / raw)
To: gdb-prs
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |devurandom at gmx dot net
http://sourceware.org/bugzilla/show_bug.cgi?id=11786
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end of thread, other threads:[~2024-12-05 22:11 UTC | newest]
Thread overview: 19+ messages (download: mbox.gz / follow: Atom feed)
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2013-09-05 20:41 ` [Bug gdb/11786] PIE support may not work for some PIEs dje at google dot com
2013-09-05 20:59 ` jan.kratochvil at redhat dot com
2013-09-05 21:37 ` dje at google dot com
2013-09-05 21:45 ` dje at google dot com
2013-09-06 7:10 ` jan.kratochvil at redhat dot com
2013-09-06 7:13 ` jan.kratochvil at redhat dot com
2013-09-06 16:03 ` ppluzhnikov at google dot com
2013-09-06 16:42 ` dje at google dot com
2013-09-06 17:04 ` jan.kratochvil at redhat dot com
2013-10-25 18:56 ` dje at google dot com
2013-11-04 22:15 ` dje at google dot com
2013-11-08 0:45 ` cvs-commit at gcc dot gnu.org
2013-12-13 16:52 ` cvs-commit at gcc dot gnu.org
2014-05-12 15:36 ` derek.cole at gmail dot com
2014-05-12 16:13 ` jan.kratochvil at redhat dot com
2015-09-07 4:05 ` xdje42 at gmail dot com
2024-01-14 14:36 ` ssbssa at sourceware dot org
2024-12-05 22:11 ` sam at gentoo dot org
2010-07-02 17:14 [Bug gdb/11786] New: " jan dot kratochvil at redhat dot com
2010-08-12 8:28 ` [Bug gdb/11786] " devurandom at gmx dot net
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