libio/fileno.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __fileno
   4         .hidden __fileno
   5         .type   __fileno, @function
   6 __fileno:
   7         testl   $8192, (%rdi)
   8         je      .L2
   9         movl    112(%rdi), %eax
  10         testl   %eax, %eax
  11         js      .L2
  12         rep ret
  13         .p2align 4,,10
  14         .p2align 3
  15 .L2:
  16         movq    __libc_errno@gottpoff(%rip), %rax
  17         movl    $9, %fs:(%rax)
  18         movl    $-1, %eax
  19         ret
  20         .size   __fileno, .-__fileno
  21         .weak   fileno_unlocked
  22         .set    fileno_unlocked,__fileno
  23         .weak   fileno
  24         .hidden fileno
  25         .set    fileno,__fileno