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| author | Pavel Chupin <pavel.v.chupin@intel.com> | 2013-10-21 20:20:53 +0400 |
|---|---|---|
| committer | Elliott Hughes <enh@google.com> | 2013-10-21 17:36:28 -0700 |
| commit | 33a209e57595fbb7934fcc4606d2b0dd0de688ad (patch) | |
| tree | 6616eec2a39fbe149e5ea794484299aead39a6ad /libc/arch-common | |
| parent | f4ac8ba566d80679ccc346b3b0af4b46d394319b (diff) | |
| download | bionic-33a209e57595fbb7934fcc4606d2b0dd0de688ad.zip bionic-33a209e57595fbb7934fcc4606d2b0dd0de688ad.tar.gz bionic-33a209e57595fbb7934fcc4606d2b0dd0de688ad.tar.bz2 | |
Fix 16-byte stack alignment requirement for x86_64 ABI
Change-Id: I43304803ac54c8688c61688bd96c7160614172d4
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Diffstat (limited to 'libc/arch-common')
| -rw-r--r-- | libc/arch-common/bionic/crtbegin.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/arch-common/bionic/crtbegin.c b/libc/arch-common/bionic/crtbegin.c index bc67bfb..fa9f3f3 100644 --- a/libc/arch-common/bionic/crtbegin.c +++ b/libc/arch-common/bionic/crtbegin.c @@ -50,6 +50,10 @@ void _start() { array.fini_array = &__FINI_ARRAY__; void* raw_args = (void*) ((uintptr_t) __builtin_frame_address(0) + sizeof(void*)); +#ifdef __x86_64__ + // 16-byte stack alignment is required by x86_64 ABI + asm("andq $~15, %rsp"); +#endif __libc_init(raw_args, NULL, &main, &array); } |