debug/fgets_u_chk.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6 #NO_APP
   7         .p2align 4,,15
   8         .globl  __fgets_unlocked_chk
   9         .type   __fgets_unlocked_chk, @function
  10 __fgets_unlocked_chk:
  11 .LFB68:
  12         testl   %edx, %edx
  13         jle     .L7
  14         pushq   %r13
  15         pushq   %r12
  16         movslq  %edx, %rdx
  17         pushq   %rbp
  18         pushq   %rbx
  19         subq    $1, %rdx
  20         movq    %rcx, %rbx
  21         movq    %rsi, %r12
  22         movq    %rdi, %r13
  23         subq    $8, %rsp
  24         movl    (%rcx), %eax
  25         movl    $1, %r8d
  26         movl    %eax, %ebp
  27         andl    $-33, %eax
  28         andl    $32, %ebp
  29         cmpq    %rsi, %rdx
  30         movl    %eax, (%rcx)
  31         cmova   %rsi, %rdx
  32         movl    $10, %ecx
  33         movq    %rdi, %rsi
  34         movq    %rbx, %rdi
  35         call    __GI__IO_getline
  36         movq    %rax, %rcx
  37         xorl    %eax, %eax
  38         movl    (%rbx), %edx
  39         testq   %rcx, %rcx
  40         je      .L4
  41         testb   $32, %dl
  42         je      .L5
  43         movq    __libc_errno@gottpoff(%rip), %rsi
  44         xorl    %eax, %eax
  45         cmpl    $11, %fs:(%rsi)
  46         je      .L5
  47 .L4:
  48         orl     %edx, %ebp
  49         movl    %ebp, (%rbx)
  50         addq    $8, %rsp
  51         popq    %rbx
  52         popq    %rbp
  53         popq    %r12
  54         popq    %r13
  55         ret
  56         .p2align 4,,10
  57         .p2align 3
  58 .L5:
  59         cmpq    %rcx, %r12
  60         jbe     .L17
  61         movb    $0, 0(%r13,%rcx)
  62         movl    (%rbx), %edx
  63         movq    %r13, %rax
  64         orl     %edx, %ebp
  65         movl    %ebp, (%rbx)
  66         addq    $8, %rsp
  67         popq    %rbx
  68         popq    %rbp
  69         popq    %r12
  70         popq    %r13
  71         ret
  72         .p2align 4,,10
  73         .p2align 3
  74 .L7:
  75         xorl    %eax, %eax
  76         ret
  77 .L17:
  78         call    __GI___chk_fail
  79 .LFE68:
  80         .size   __fgets_unlocked_chk, .-__fgets_unlocked_chk