io/read_nocancel.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __read_nocancel
   4         .hidden __read_nocancel
   5         .type   __read_nocancel, @function
   6 __read_nocancel:
   7         xorl    %eax, %eax
   8 #APP
   9 # 26 "../sysdeps/unix/sysv/linux/read_nocancel.c" 1
  10         syscall
  11
  12 # 0 "" 2
  13 #NO_APP
  14         cmpq    $-4096, %rax
  15         ja      .L4
  16         rep ret
  17         .p2align 4,,10
  18         .p2align 3
  19 .L4:
  20         movq    __libc_errno@gottpoff(%rip), %rdx
  21         negl    %eax
  22         movl    %eax, %fs:(%rdx)
  23         movq    $-1, %rax
  24         ret
  25         .size   __read_nocancel, .-__read_nocancel