.global _setjmp
.global setjmp
_setjmp:
setjmp:
    mov $0, %rsi
    mov %rbx, (%rdi)
    mov %r12, 0x8(%rdi)
    mov %r13, 0x10(%rdi)
    mov %r14, 0x18(%rdi)
    mov %r15, 0x20(%rdi)
    mov %rbp, 0x28(%rdi)
    mov %rsp, 0x30(%rdi)
    mov (%rsp), %rax
    mov %rax, 0x38(%rdi)
    xor %rax, %rax
    ret

.global _longjmp
.global longjmp
_longjmp:
longjmp:
    mov %rsi, %rax
    cmp $0, %rax
    jne .nonzero
    mov $1, %rax
.nonzero:
    mov (%rdi), %rbx
    mov 0x8(%rdi), %r12
    mov 0x10(%rdi), %r13
    mov 0x18(%rdi), %r14
    mov 0x20(%rdi), %r15
    mov 0x28(%rdi), %rbp
    mov 0x30(%rdi), %rsp
    mov 0x38(%rdi), %rcx
    mov %rcx, (%rsp)
    ret