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