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bb88afa16ccd90005f7348b2391e4638f99334c9 blob 592 bytes (raw)

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/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
.global _longjmp
.global longjmp
.type _longjmp,@function
.type longjmp,@function
_longjmp:
longjmp:
	mov %esi,%eax           /* val will be longjmp return */
	test %esi,%esi
	jnz 1f
	inc %eax                /* if val==0, val=1 per longjmp semantics */
1:
	mov (%rdi),%rbx         /* rdi is the jmp_buf, restore regs from it */
	mov 8(%rdi),%rbp
	mov 16(%rdi),%r12
	mov 24(%rdi),%r13
	mov 32(%rdi),%r14
	mov 40(%rdi),%r15
	mov 48(%rdi),%rsp
	jmp *56(%rdi)           /* goto saved address without altering rsp */
debug log:

solving bb88afa1 ...
found bb88afa1 in https://git.vuxu.org/mirror/musl/

mailing list of musl libc

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