[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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