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#if defined(__x86_64__) && defined(__linux__)
#include "sanitizer_common/sanitizer_asm.h"
.comm _ZN14__interception10real_vforkE,8,8
.globl ASM_WRAPPER_NAME(vfork)
ASM_TYPE_FUNCTION(ASM_WRAPPER_NAME(vfork))
ASM_WRAPPER_NAME(vfork):
// Store return address in the spill area and tear down the stack frame.
push %rcx
call COMMON_INTERCEPTOR_SPILL_AREA
pop %rcx
pop %rdi
mov %rdi, (%rax)
call *_ZN14__interception10real_vforkE(%rip)
// Restore return address from the spill area.
push %rcx
push %rax
call COMMON_INTERCEPTOR_SPILL_AREA
mov (%rax), %rdx
mov %rdx, 8(%rsp)
mov (%rsp), %rax
// Call handle_vfork in the parent process (%rax != 0).
test %rax, %rax
je .L_exit
lea 16(%rsp), %rdi
call COMMON_INTERCEPTOR_HANDLE_VFORK@PLT
.L_exit:
pop %rax
ret
ASM_SIZE(vfork)
.weak vfork
.set vfork, ASM_WRAPPER_NAME(vfork)
#endif
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