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parasite: Add run-time stack alignment

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Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Pavel Emelyanov <xemul@parallels.com>
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Cyrill Gorcunov 2012-02-13 21:22:16 +04:00
parent 536eaa0f03
commit 2a0cea2997
1 changed files with 2 additions and 0 deletions
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parasite.c
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@ -443,6 +443,8 @@ static void __parasite_head __used parasite_head(void)
*/
asm volatile("parasite_head_start: \n"
"leaq parasite_stack(%rip), %rsp \n"
"subq $16, %rsp \n"
"andq $~15, %rsp \n"
"pushq $0 \n"
"movq %rsp, %rbp \n"
"movl parasite_cmd(%rip), %edi \n"