libio/putwchar_u.s

   1         .text
   2         .p2align 4,,15
   3         .globl  putwchar_unlocked
   4         .type   putwchar_unlocked, @function
   5 putwchar_unlocked:
   6         movl    %edi, %eax
   7         movq    stdout(%rip), %rdi
   8         movq    160(%rdi), %rdx
   9         testq   %rdx, %rdx
  10         je      .L2
  11         movq    32(%rdx), %rcx
  12         cmpq    40(%rdx), %rcx
  13         jnb     .L2
  14         leaq    4(%rcx), %rsi
  15         movq    %rsi, 32(%rdx)
  16         movl    %eax, (%rcx)
  17         ret
  18         .p2align 4,,10
  19         .p2align 3
  20 .L2:
  21         movl    %eax, %esi
  22         jmp     __woverflow
  23         .size   putwchar_unlocked, .-putwchar_unlocked
  24         .hidden __woverflow