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* [Bug tdep/14222] New: insufficient stack alignment
@ 2012-06-11 19:03 jan.kratochvil at redhat dot com
2012-06-13 15:54 ` [Bug tdep/14222] " jan.kratochvil at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jan.kratochvil at redhat dot com @ 2012-06-11 19:03 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14222
Bug #: 14222
Summary: insufficient stack alignment
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: tdep
AssignedTo: unassigned@sourceware.org
ReportedBy: jan.kratochvil@redhat.com
Classification: Unclassified
Target: i386-unknown-linux-gnu
GCC since 4.6 keeps stack aligned to 32 bytes (128 bits).
http://groups.google.com/group/ia32-abi/browse_thread/thread/4f9b3e5069943bf1
AFAIK there is neither Intel CPUs nor glibc requirement for it, 16 bytes
alignment would be sufficient.
amd64-tdep.c already keeps 16 byte alignment but i386-tdep.c does not.
Proposing to increase alignment of both to 32 bytes in all cases.
This is KFAIL tracker for: gdb.arch/i386-sse-stack-align.exp
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* [Bug tdep/14222] insufficient stack alignment
2012-06-11 19:03 [Bug tdep/14222] New: insufficient stack alignment jan.kratochvil at redhat dot com
@ 2012-06-13 15:54 ` jan.kratochvil at redhat dot com
2012-06-13 21:21 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jan.kratochvil at redhat dot com @ 2012-06-13 15:54 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14222
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at sourceware |jan.kratochvil at redhat
|dot org |dot com
--- Comment #1 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2012-06-13 15:53:32 UTC ---
[patch 2/3] Align stack for SSE (PR tdep/14222)
http://sourceware.org/ml/gdb-patches/2012-06/msg00418.html
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* [Bug tdep/14222] insufficient stack alignment
2012-06-11 19:03 [Bug tdep/14222] New: insufficient stack alignment jan.kratochvil at redhat dot com
2012-06-13 15:54 ` [Bug tdep/14222] " jan.kratochvil at redhat dot com
@ 2012-06-13 21:21 ` cvs-commit at gcc dot gnu.org
2012-06-13 21:31 ` cvs-commit at gcc dot gnu.org
2012-06-13 21:32 ` jan.kratochvil at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-06-13 21:21 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14222
--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-06-13 21:21:29 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: kettenis@sourceware.org 2012-06-13 21:21:25
Modified files:
gdb : ChangeLog i386-tdep.c
Log message:
PR tdep/14222
* i386-tdep.c (i386_push_dummy_call): Unconditionally align the
stack on a 16-byte boundary.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.14362&r2=1.14363
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/i386-tdep.c.diff?cvsroot=src&r1=1.352&r2=1.353
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* [Bug tdep/14222] insufficient stack alignment
2012-06-11 19:03 [Bug tdep/14222] New: insufficient stack alignment jan.kratochvil at redhat dot com
2012-06-13 15:54 ` [Bug tdep/14222] " jan.kratochvil at redhat dot com
2012-06-13 21:21 ` cvs-commit at gcc dot gnu.org
@ 2012-06-13 21:31 ` cvs-commit at gcc dot gnu.org
2012-06-13 21:32 ` jan.kratochvil at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2012-06-13 21:31 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14222
--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2012-06-13 21:31:14 UTC ---
CVSROOT: /cvs/src
Module name: src
Changes by: jkratoch@sourceware.org 2012-06-13 21:31:06
Modified files:
gdb/testsuite : ChangeLog
Added files:
gdb/testsuite/gdb.arch: i386-sse-stack-align.S
i386-sse-stack-align.c
i386-sse-stack-align.exp
Log message:
gdb/testsuite/
PR tdep/14222
* gdb.arch/i386-sse-stack-align.S: New file.
* gdb.arch/i386-sse-stack-align.c: New file.
* gdb.arch/i386-sse-stack-align.exp: New file.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.3224&r2=1.3225
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/i386-sse-stack-align.S.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/i386-sse-stack-align.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/i386-sse-stack-align.exp.diff?cvsroot=src&r1=NONE&r2=1.1
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* [Bug tdep/14222] insufficient stack alignment
2012-06-11 19:03 [Bug tdep/14222] New: insufficient stack alignment jan.kratochvil at redhat dot com
` (2 preceding siblings ...)
2012-06-13 21:31 ` cvs-commit at gcc dot gnu.org
@ 2012-06-13 21:32 ` jan.kratochvil at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: jan.kratochvil at redhat dot com @ 2012-06-13 21:32 UTC (permalink / raw)
To: gdb-prs
http://sourceware.org/bugzilla/show_bug.cgi?id=14222
Jan Kratochvil <jan.kratochvil at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #4 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2012-06-13 21:31:53 UTC ---
Checked in.
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end of thread, other threads:[~2012-06-13 21:32 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2012-06-11 19:03 [Bug tdep/14222] New: insufficient stack alignment jan.kratochvil at redhat dot com
2012-06-13 15:54 ` [Bug tdep/14222] " jan.kratochvil at redhat dot com
2012-06-13 21:21 ` cvs-commit at gcc dot gnu.org
2012-06-13 21:31 ` cvs-commit at gcc dot gnu.org
2012-06-13 21:32 ` jan.kratochvil at redhat dot com
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