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| author | dfr <dfr@FreeBSD.org> | 2005-05-19 07:31:06 +0000 |
|---|---|---|
| committer | dfr <dfr@FreeBSD.org> | 2005-05-19 07:31:06 +0000 |
| commit | e6963ec512a47d09e5f7ae62feb3ab7786a89598 (patch) | |
| tree | c38eed0e2677d3f8dd959aa6bbc8ee7ff5aa9c12 /lib/csu | |
| parent | fcd83e98ec23a28b546877a0b93f0025e233c6a9 (diff) | |
| download | FreeBSD-src-e6963ec512a47d09e5f7ae62feb3ab7786a89598.zip FreeBSD-src-e6963ec512a47d09e5f7ae62feb3ab7786a89598.tar.gz | |
Keep the stack aligned to a 16 byte boundary when calling init functions
so that we don't cause a bus error if they start storing SSE math stuff
on the stack.
MFC After: 1 week
Diffstat (limited to 'lib/csu')
| -rw-r--r-- | lib/csu/i386-elf/crti.S | 2 | ||||
| -rw-r--r-- | lib/csu/i386-elf/crtn.S | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/lib/csu/i386-elf/crti.S b/lib/csu/i386-elf/crti.S index b2e99e4..bb11f3a 100644 --- a/lib/csu/i386-elf/crti.S +++ b/lib/csu/i386-elf/crti.S @@ -28,12 +28,14 @@ .globl _init .type _init,@function _init: + sub $12,%esp /* re-align stack pointer */ .section .fini,"ax",@progbits .align 4 .globl _fini .type _fini,@function _fini: + sub $12,%esp /* re-align stack pointer */ .section .rodata .ascii "$FreeBSD$\0" diff --git a/lib/csu/i386-elf/crtn.S b/lib/csu/i386-elf/crtn.S index b2322da..bc90d31 100644 --- a/lib/csu/i386-elf/crtn.S +++ b/lib/csu/i386-elf/crtn.S @@ -24,9 +24,11 @@ */ .section .init,"ax",@progbits + add $12,%esp ret .section .fini,"ax",@progbits + add $12,%esp ret .section .rodata |
