debug/fread_u_chk.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __fread_unlocked_chk
   4         .type   __fread_unlocked_chk, @function
   5 __fread_unlocked_chk:
   6 .LFB68:
   7         pushq   %rbp
   8         pushq   %rbx
   9         movq    %rdx, %rbp
  10         movq    %rdx, %rbx
  11         movl    $4294967295, %eax
  12         orq     %rcx, %rdx
  13         subq    $24, %rsp
  14         imulq   %rcx, %rbx
  15         cmpq    %rax, %rdx
  16         jbe     .L2
  17         testq   %rbp, %rbp
  18         jne     .L17
  19 .L2:
  20         cmpq    %rsi, %rbx
  21         ja      .L3
  22         testq   %rbx, %rbx
  23         jne     .L18
  24         addq    $24, %rsp
  25         movq    %rbx, %rax
  26         popq    %rbx
  27         popq    %rbp
  28         ret
  29         .p2align 4,,10
  30         .p2align 3
  31 .L18:
  32         movq    %rdi, %rsi
  33         movq    %rbx, %rdx
  34         movq    %r8, %rdi
  35         movq    %rcx, 8(%rsp)
  36         call    _IO_sgetn
  37         cmpq    %rax, %rbx
  38         movq    8(%rsp), %rcx
  39         je      .L5
  40         xorl    %edx, %edx
  41         addq    $24, %rsp
  42         divq    %rbp
  43         movq    %rax, %rbx
  44         movq    %rbx, %rax
  45         popq    %rbx
  46         popq    %rbp
  47         ret
  48         .p2align 4,,10
  49         .p2align 3
  50 .L17:
  51         xorl    %edx, %edx
  52         movq    %rbx, %rax
  53         divq    %rbp
  54         cmpq    %rcx, %rax
  55         je      .L2
  56         .p2align 4,,10
  57         .p2align 3
  58 .L3:
  59         call    __chk_fail
  60         .p2align 4,,10
  61         .p2align 3
  62 .L5:
  63         movq    %rcx, %rbx
  64         addq    $24, %rsp
  65         movq    %rbx, %rax
  66         popq    %rbx
  67         popq    %rbp
  68         ret
  69 .LFE68:
  70         .size   __fread_unlocked_chk, .-__fread_unlocked_chk
  71         .hidden __chk_fail
  72         .hidden _IO_sgetn