signal/sigaddset.s

   1         .text
   2         .p2align 4,,15
   3         .globl  sigaddset
   4         .hidden sigaddset
   5         .type   sigaddset, @function
   6 sigaddset:
   7         leal    -1(%rsi), %ecx
   8         cmpl    $63, %ecx
   9         ja      .L2
  10         testq   %rdi, %rdi
  11         je      .L2
  12         subl    $32, %esi
  13         cmpl    $1, %esi
  14         jbe     .L2
  15         movl    $1, %eax
  16         salq    %cl, %rax
  17         orq     %rax, (%rdi)
  18         xorl    %eax, %eax
  19         ret
  20         .p2align 4,,10
  21         .p2align 3
  22 .L2:
  23         movq    __libc_errno@gottpoff(%rip), %rax
  24         movl    $22, %fs:(%rax)
  25         movl    $-1, %eax
  26         ret
  27         .size   sigaddset, .-sigaddset