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.text
.globl __longjmp
.globl _longjmp
.globl longjmp
__longjmp:
_longjmp:
longjmp:
test %edx, %edx # is val zero?
jne 1f # no: return val
xor $1, %edx # yes: return one
1:
mov %edx, %eax # return value
2:
mov 0x10(%rcx), %rbx # restore regs
mov 0x18(%rcx), %rbp
mov 0x20(%rcx), %rdi
mov 0x28(%rcx), %rsi
mov 0x30(%rcx), %r12
mov 0x38(%rcx), %r13
mov 0x40(%rcx), %r14
mov 0x48(%rcx), %r15
mov 0x08(%rcx), %rsp # saved stack pointer
mov (%rcx), %rdx # return address
jmp *%rdx # return
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