public inbox for gdb-prs@sourceware.org help / color / mirror / Atom feed
* [Bug breakpoints/12435] New: gcc46: prologue skip skips too far @ 2011-01-25 16:11 jan.kratochvil at redhat dot com 2011-01-26 10:17 ` [Bug breakpoints/12435] " jan.kratochvil at redhat dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-01-25 16:11 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 Summary: gcc46: prologue skip skips too far Product: gdb Version: HEAD Status: NEW Severity: normal Priority: P2 Component: breakpoints AssignedTo: unassigned@sourceware.org ReportedBy: jan.kratochvil@redhat.com Host: x86_64-fedora15-linux-gnu Target: x86_64-fedora15-linux-gnu Created attachment 5209 --> http://sourceware.org/bugzilla/attachment.cgi?id=5209 naive GDB patch GDB HEAD gcc-4.6.0-0.3.fc15.x86_64 -> `break internal_error' (that is the function GDB) is never hit. ./gdb -nx ./gdb -ex 'b internal_error' -ex 'disass internal_error' Breakpoint 1 at 0x48f3cd: file utils.c, line 1242. Dump of assembler code for function internal_error: 0x000000000048f39c <+0>: push %rbp 0x000000000048f39d <+1>: mov %rsp,%rbp 0x000000000048f3a0 <+4>: sub $0xf0,%rsp 0x000000000048f3a7 <+11>: mov %rdi,-0xd8(%rbp) 0x000000000048f3ae <+18>: mov %esi,-0xdc(%rbp) 0x000000000048f3b4 <+24>: mov %rcx,-0x98(%rbp) 0x000000000048f3bb <+31>: mov %r8,-0x90(%rbp) 0x000000000048f3c2 <+38>: mov %r9,-0x88(%rbp) 0x000000000048f3c9 <+45>: test %al,%al 0x000000000048f3cb <+47>: je 0x48f3ed <internal_error+81> === breakponit here 0x000000000048f3cd <+49>: movaps %xmm0,-0x80(%rbp) 0x000000000048f3d1 <+53>: movaps %xmm1,-0x70(%rbp) 0x000000000048f3d5 <+57>: movaps %xmm2,-0x60(%rbp) 0x000000000048f3d9 <+61>: movaps %xmm3,-0x50(%rbp) 0x000000000048f3dd <+65>: movaps %xmm4,-0x40(%rbp) 0x000000000048f3e1 <+69>: movaps %xmm5,-0x30(%rbp) 0x000000000048f3e5 <+73>: movaps %xmm6,-0x20(%rbp) 0x000000000048f3e9 <+77>: movaps %xmm7,-0x10(%rbp) 0x000000000048f3ed <+81>: mov %rdx,-0xe8(%rbp) === jump target 0x000000000048f3f4 <+88>: movl $0x18,-0xc8(%rbp) .debug_line is weird Fixed by the naive attached GDB patch but it has heavy regressions. Maybe GCC should be fixed? There is still missing the prologue end marker. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com @ 2011-01-26 10:17 ` jan.kratochvil at redhat dot com 2011-01-26 10:26 ` jan.kratochvil at redhat dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-01-26 10:17 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 Jan Kratochvil <jan.kratochvil at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #5209|0 |1 is obsolete| | --- Comment #1 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-01-26 10:17:36 UTC --- Created attachment 5214 --> http://sourceware.org/bugzilla/attachment.cgi?id=5214 Working patch. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com 2011-01-26 10:17 ` [Bug breakpoints/12435] " jan.kratochvil at redhat dot com @ 2011-01-26 10:26 ` jan.kratochvil at redhat dot com 2011-03-26 7:01 ` jan.kratochvil at redhat dot com ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-01-26 10:26 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 --- Comment #2 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-01-26 10:26:29 UTC --- GCC PR: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47471 -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com 2011-01-26 10:17 ` [Bug breakpoints/12435] " jan.kratochvil at redhat dot com 2011-01-26 10:26 ` jan.kratochvil at redhat dot com @ 2011-03-26 7:01 ` jan.kratochvil at redhat dot com 2011-07-22 21:59 ` jan.kratochvil at redhat dot com ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-03-26 7:01 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 --- Comment #3 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-03-26 07:01:36 UTC --- gdb-patches post: http://sourceware.org/ml/gdb-patches/2011-03/msg01108.html -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com ` (2 preceding siblings ...) 2011-03-26 7:01 ` jan.kratochvil at redhat dot com @ 2011-07-22 21:59 ` jan.kratochvil at redhat dot com 2011-09-08 15:41 ` cvs-commit at gcc dot gnu.org 2011-09-08 19:29 ` jan.kratochvil at redhat dot com 5 siblings, 0 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-07-22 21:59 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 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 #4 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-07-22 21:59:23 UTC --- [patch] workaround gcc46: prologue skip skips too far (PR 12435) #2 http://sourceware.org/ml/gdb-patches/2011-07/msg00645.html -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com ` (3 preceding siblings ...) 2011-07-22 21:59 ` jan.kratochvil at redhat dot com @ 2011-09-08 15:41 ` cvs-commit at gcc dot gnu.org 2011-09-08 19:29 ` jan.kratochvil at redhat dot com 5 siblings, 0 replies; 7+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2011-09-08 15:41 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 --- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> 2011-09-08 15:38:24 UTC --- CVSROOT: /cvs/src Module name: src Changes by: jkratoch@sourceware.org 2011-09-08 15:38:16 Modified files: gdb : ChangeLog amd64-tdep.c dwarf2read.c symtab.h gdb/testsuite : ChangeLog Added files: gdb/testsuite/gdb.arch: amd64-prologue-xmm.c amd64-prologue-xmm.exp amd64-prologue-xmm.s Log message: gdb/ PR breakpoints/12435 * amd64-tdep.c (amd64_skip_prologue): New variables start_pc_sal, next_sal, buf, offset and xmmreg. Advance PC if it sees the PR. * dwarf2read.c (process_full_comp_unit): Initialize amd64_prologue_line_bug. * symtab.h (struct symtab): New field amd64_prologue_line_bug. gdb/testsuite/ PR breakpoints/12435 * gdb.arch/amd64-prologue-xmm.c: New file. * gdb.arch/amd64-prologue-xmm.exp: New file. * gdb.arch/amd64-prologue-xmm.s: New file. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.13312&r2=1.13313 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/amd64-tdep.c.diff?cvsroot=src&r1=1.91&r2=1.92 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/dwarf2read.c.diff?cvsroot=src&r1=1.558&r2=1.559 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/symtab.h.diff?cvsroot=src&r1=1.186&r2=1.187 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.2847&r2=1.2848 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/amd64-prologue-xmm.c.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/amd64-prologue-xmm.exp.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.arch/amd64-prologue-xmm.s.diff?cvsroot=src&r1=NONE&r2=1.1 -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/12435] gcc46: prologue skip skips too far 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com ` (4 preceding siblings ...) 2011-09-08 15:41 ` cvs-commit at gcc dot gnu.org @ 2011-09-08 19:29 ` jan.kratochvil at redhat dot com 5 siblings, 0 replies; 7+ messages in thread From: jan.kratochvil at redhat dot com @ 2011-09-08 19:29 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=12435 Jan Kratochvil <jan.kratochvil at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #6 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-09-08 15:41:08 UTC --- Workarounded. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2011-09-08 15:41 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2011-01-25 16:11 [Bug breakpoints/12435] New: gcc46: prologue skip skips too far jan.kratochvil at redhat dot com 2011-01-26 10:17 ` [Bug breakpoints/12435] " jan.kratochvil at redhat dot com 2011-01-26 10:26 ` jan.kratochvil at redhat dot com 2011-03-26 7:01 ` jan.kratochvil at redhat dot com 2011-07-22 21:59 ` jan.kratochvil at redhat dot com 2011-09-08 15:41 ` cvs-commit at gcc dot gnu.org 2011-09-08 19:29 ` jan.kratochvil at redhat dot com
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).