[Bug debug/40521] [4.4/4.5 Regression] -g causes GCC to generate .eh_frame
jakub at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Oct 19 12:16:00 GMT 2009
------- Comment #21 from jakub at gcc dot gnu dot org 2009-10-19 12:15 -------
Subject: Bug 40521
Author: jakub
Date: Mon Oct 19 12:15:27 2009
New Revision: 152974
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152974
Log:
Backport from mainline:
2009-10-16 Jakub Jelinek <jakub@redhat.com>
PR debug/40521
* debug.h (struct gcc_debug_hooks): Add assembly_start hook.
* cgraphunit.c (cgraph_optimize): Call it.
* dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
(dwarf2out_assembly_start): ... here. New hook.
(dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
* debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
hook.
* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
(vmsdbgout_assembly_start): New hook.
2009-10-09 Jakub Jelinek <jakub@redhat.com>
PR debug/40521
* dwarf2out.c (dwarf2out_init): Test whether
HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
it is defined.
2009-10-02 Jakub Jelinek <jakub@redhat.com>
PR debug/40521
* configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
* configure: Regenerated.
* config.in: Regenerated.
* dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
!HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
(dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
not emitting .eh_frame, emit .cfi_sections .debug_frame
directive.
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/cgraphunit.c
branches/gcc-4_4-branch/gcc/config.in
branches/gcc-4_4-branch/gcc/configure
branches/gcc-4_4-branch/gcc/configure.ac
branches/gcc-4_4-branch/gcc/dbxout.c
branches/gcc-4_4-branch/gcc/debug.c
branches/gcc-4_4-branch/gcc/debug.h
branches/gcc-4_4-branch/gcc/dwarf2out.c
branches/gcc-4_4-branch/gcc/sdbout.c
branches/gcc-4_4-branch/gcc/vmsdbgout.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40521
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