[Bug other/46770] Replace .ctors/.dtors with .init_array/.fini_array on targets supporting them

[jingyu at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46770

--- Comment #72 from Jing Yu <jingyu at gcc dot gnu.org> 2012-02-18 06:03:30 UTC ---
Author: jingyu
Date: Sat Feb 18 06:03:26 2012
New Revision: 184369

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184369
Log:
2012-02-17   Jing Yu  <jingyu@google.com>

    Google Ref 47894
    2011-12-07  H.J. Lu  <hongjiu.lu@intel.com>
    Backport from mainline r177933.
    2011-08-20  H.J. Lu  <hongjiu.lu@intel.com>

    PR other/46770
    * config.gcc (tm_file): Add initfini-array.h if
    .init_arrary/.fini_array are supported.
    * crtstuff.c: Don't generate .ctors nor .dtors sections if
    USE_INITFINI_ARRAY is defined.
    * output.h (default_elf_init_array_asm_out_constructor): New.
    (default_elf_fini_array_asm_out_destructor): Likewise.
    * varasm.c (elf_init_array_section): Likewise.
    (elf_fini_array_section): Likewise.
    (get_elf_initfini_array_priority_section): Likewise.
    (default_elf_init_array_asm_out_constructor): Likewise.
    (default_elf_fini_array_asm_out_destructor): Likewise.
    * config/initfini-array.h: New.


Added:
    branches/google/gcc-4_6/gcc/initfini-array.h
Modified:
    branches/google/gcc-4_6/gcc/ChangeLog.google-4_6
    branches/google/gcc-4_6/gcc/config.gcc
    branches/google/gcc-4_6/gcc/crtstuff.c
    branches/google/gcc-4_6/gcc/output.h
    branches/google/gcc-4_6/gcc/varasm.c