diff options
Diffstat (limited to 'src/setjmp/x86_64/longjmp.s')
| -rw-r--r-- | src/setjmp/x86_64/longjmp.s | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/setjmp/x86_64/longjmp.s b/src/setjmp/x86_64/longjmp.s index c63b0c95..dd893512 100644 --- a/src/setjmp/x86_64/longjmp.s +++ b/src/setjmp/x86_64/longjmp.s @@ -7,18 +7,18 @@ _longjmp: longjmp: mov %rsi,%rax /* val will be longjmp return */ test %rax,%rax - jnz .L0 + jnz 1f inc %rax /* if val==0, val=1 per longjmp semantics */ -.L0: - movq (%rdi),%rbx /* rdi is the jmp_buf, restore regs from it */ - movq 8(%rdi),%rbp - movq 16(%rdi),%r12 - movq 24(%rdi),%r13 - movq 32(%rdi),%r14 - movq 40(%rdi),%r15 - movq 48(%rdi),%rdx /* this ends up being the stack pointer */ +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),%rdx /* this ends up being the stack pointer */ mov %rdx,%rsp - movq 56(%rdi),%rdx /* this is the instruction pointer */ + mov 56(%rdi),%rdx /* this is the instruction pointer */ jmp *%rdx /* goto saved address without altering rsp */ .size _longjmp,.-_longjmp .size longjmp,.-longjmp |