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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-07-07 15:38:34 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-07-07 08:38:34 -0700 |
| commit | f0ea75811ae63b50e6c06ad694a993a8182ba012 (patch) | |
| tree | be55d57f091491a3c10e4f0da3c1344d4d7f5991 /gcc/config/i386/linux64.h | |
| parent | 5c318df5275b3dd6843190b8e65580f8a63eb246 (diff) | |
| download | gcc-f0ea75811ae63b50e6c06ad694a993a8182ba012.tar.gz | |
Initial x32 support.
2011-07-07 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Support --with-multilib-list for x86 Linux
targets.
* configure.ac: Mention x86-64 for --with-multilib-list.
* configure: Regenerated.
* config/i386/gnu-user64.h (SPEC_64): Support x32.
(SPEC_32): Likewise.
(ASM_SPEC): Likewise.
(LINK_SPEC): Likewise.
(TARGET_THREAD_SSP_OFFSET): Likewise.
(TARGET_THREAD_SPLIT_STACK_OFFSET): Likewise.
(SPEC_X32): New.
* config/i386/i386.h (TARGET_X32): New.
(TARGET_LP64): New.
(LONG_TYPE_SIZE): Likewise.
(POINTER_SIZE): Likewise.
(POINTERS_EXTEND_UNSIGNED): Likewise.
(OPT_ARCH64): Support x32.
(OPT_ARCH32): Likewise.
* config/i386/i386.opt (mx32): New.
* config/i386/kfreebsd-gnu64.h (GNU_USER_LINK_EMULATIONX32): New.
(GLIBC_DYNAMIC_LINKERX32): Likewise.
* config/i386/linux64.h (GNU_USER_LINK_EMULATIONX32): Likewise.
(GLIBC_DYNAMIC_LINKERX32): Likewise.
* config/linux.h (UCLIBC_DYNAMIC_LINKERX32): New.
(BIONIC_DYNAMIC_LINKERX32): Likewise.
(GNU_USER_DYNAMIC_LINKERX32): Likewise.
* config/i386/t-linux64: Support TM_MULTILIB_CONFIG.
* doc/install.texi: Document --with-multilib-list for
Linux/x86-64.
* doc/invoke.texi: Document -mx32.
From-SVN: r175984
Diffstat (limited to 'gcc/config/i386/linux64.h')
| -rw-r--r-- | gcc/config/i386/linux64.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h index 5d332246cb5..5b0a212cece 100644 --- a/gcc/config/i386/linux64.h +++ b/gcc/config/i386/linux64.h @@ -26,6 +26,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define GNU_USER_LINK_EMULATION32 "elf_i386" #define GNU_USER_LINK_EMULATION64 "elf_x86_64" +#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64" #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" +#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2" |