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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-08-20 20:02:17 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-08-20 13:02:17 -0700 |
| commit | 9ce7ad7f3a7f61fd62ac81544af04f95368f597f (patch) | |
| tree | 3906273c1671420742bbbcd2e6b652c9b3f19c95 /gcc/config/initfini-array.h | |
| parent | 13001f33ca62776df6dddf738d6f3f8633c3f3a9 (diff) | |
| download | gcc-9ce7ad7f3a7f61fd62ac81544af04f95368f597f.zip gcc-9ce7ad7f3a7f61fd62ac81544af04f95368f597f.tar.gz gcc-9ce7ad7f3a7f61fd62ac81544af04f95368f597f.tar.bz2 | |
Use .init_arrary/.fini_array sections if possible.
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.
From-SVN: r177933
Diffstat (limited to 'gcc/config/initfini-array.h')
| -rw-r--r-- | gcc/config/initfini-array.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/config/initfini-array.h b/gcc/config/initfini-array.h new file mode 100644 index 0000000..8aaadf6 --- /dev/null +++ b/gcc/config/initfini-array.h @@ -0,0 +1,37 @@ +/* Definitions for ELF systems with .init_array/.fini_array section + support. + Copyright (C) 2011 + Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3, or (at your + option) any later version. + + GCC is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with GCC; see the file COPYING3. If not see + <http://www.gnu.org/licenses/>. */ + +#define USE_INITFINI_ARRAY + +#undef INIT_SECTION_ASM_OP +#undef FINI_SECTION_ASM_OP + +#undef INIT_ARRAY_SECTION_ASM_OP +#define INIT_ARRAY_SECTION_ASM_OP + +#undef FINI_ARRAY_SECTION_ASM_OP +#define FINI_ARRAY_SECTION_ASM_OP + +/* Use .init_array/.fini_array section for constructors and destructors. */ +#undef TARGET_ASM_CONSTRUCTOR +#define TARGET_ASM_CONSTRUCTOR default_elf_init_array_asm_out_constructor +#undef TARGET_ASM_DESTRUCTOR +#define TARGET_ASM_DESTRUCTOR default_elf_fini_array_asm_out_destructor |