Blame src/signal/nt32/sigsetjmp.s
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.text
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.globl ___sigsetjmp
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.globl _sigsetjmp
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.def __sigsetjmp; .scl 2; .type 32; .endef
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.def sigsetjmp; .scl 2; .type 32; .endef
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___sigsetjmp:
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_sigsetjmp:
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# int sigsetjmp(sigjmp_buf jmp_buf, int save_mask);
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#
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# 8(%esp): save_mask
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# 4(%esp): jmp_buf
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# 0(%esp): return address
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movl 8(%esp),%edx # edx <-- save_mask
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test %edx,%edx # save signal mask?
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jnz 1f # yes: save mask
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jmp ___setjmp # no: setjmp
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1:
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# typedef unsigned long __jmp_buf[6];
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#
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# typedef struct __jmp_buf_tag {
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# __jmp_buf __jb;
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# unsigned long __fl;
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# unsigned long __ss[16];
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# }
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#
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movl 4(%esp),%ecx # ecx <-- jmp_buf
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popl 36(%ecx) # save return address to .__ss[2]
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movl %ebx,40(%ecx) # save ebx (arbitrary choice) to .__ss[3]
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movl %ecx,%ebx # save pointer to __jmp_buf to ebx
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call ___setjmp
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pushl 36(%ebx) # push previously saved return address
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movl %ebx,4(%esp) # save pointer to __jmp_buf to 4(%esp) (arg 0)
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movl %eax,8(%esp) # save setjmp return value to 8(%esp) (arg 1)
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movl 40(%ebx),%ebx # restore ebx from .__ss[3]
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jmp ___sigsetjmp_tail # defer to __sigsetjmp_tail
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.section .got$sigsetjmp,"r"
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.global __imp__sigsetjmp
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__imp__sigsetjmp:
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.long _sigsetjmp
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.linkonce discard
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