posix/sched_getcpu.s

   1         .text
   2         .p2align 4,,15
   3         .globl  sched_getcpu
   4         .type   sched_getcpu, @function
   5 sched_getcpu:
   6         pushq   %rbx
   7         subq    $16, %rsp
   8         movq    _dl_vdso_getcpu(%rip), %rax
   9         leaq    12(%rsp), %rbx
  10         testq   %rax, %rax
  11         je      .L5
  12         xorl    %edx, %edx
  13         xorl    %esi, %esi
  14         movq    %rbx, %rdi
  15         call    *%rax
  16         movslq  %eax, %rdx
  17         cmpq    $-4096, %rdx
  18         ja      .L12
  19 .L4:
  20         cmpl    $-1, %edx
  21         movl    %edx, %eax
  22         je      .L1
  23         movl    12(%rsp), %eax
  24 .L1:
  25         addq    $16, %rsp
  26         popq    %rbx
  27         ret
  28         .p2align 4,,10
  29         .p2align 3
  30 .L12:
  31         cmpq    $-38, %rdx
  32         je      .L5
  33 .L3:
  34         movq    __libc_errno@gottpoff(%rip), %rax
  35         negl    %edx
  36         movl    %edx, %fs:(%rax)
  37         addq    $16, %rsp
  38         movl    $-1, %eax
  39         popq    %rbx
  40         ret
  41         .p2align 4,,10
  42         .p2align 3
  43 .L5:
  44         xorl    %edx, %edx
  45         xorl    %esi, %esi
  46         movq    %rbx, %rdi
  47         movl    $309, %eax
  48 #APP
  49 # 29 "../sysdeps/unix/sysv/linux/sched_getcpu.c" 1
  50         syscall
  51
  52 # 0 "" 2
  53 #NO_APP
  54         cmpq    $-4096, %rax
  55         movq    %rax, %rdx
  56         ja      .L3
  57         jmp     .L4
  58         .size   sched_getcpu, .-sched_getcpu