debug/strcat_chk.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __strcat_chk
   4         .type   __strcat_chk, @function
   5 __strcat_chk:
   6         leaq    (%rdi,%rdx), %r10
   7         movq    %rdi, %rcx
   8         jmp     .L3
   9         .p2align 4,,10
  10         .p2align 3
  11 .L2:
  12         leaq    1(%rcx), %r8
  13         cmpb    $0, -1(%r8)
  14         je      .L11
  15         movq    %r8, %rcx
  16         movq    %r9, %rdx
  17 .L3:
  18         cmpq    %rcx, %r10
  19         leaq    -1(%rdx), %r9
  20         jne     .L2
  21 .L5:
  22         subq    $8, %rsp
  23         call    __chk_fail
  24         .p2align 4,,10
  25         .p2align 3
  26 .L11:
  27         xorl    %r8d, %r8d
  28         subq    $1, %rcx
  29         movzbl  (%rsi,%r8), %r9d
  30         testb   %r9b, %r9b
  31         movb    %r9b, 1(%rcx,%r8)
  32         je      .L12
  33         .p2align 4,,10
  34         .p2align 3
  35 .L6:
  36         addq    $1, %r8
  37         cmpq    %r8, %rdx
  38         je      .L5
  39         movzbl  (%rsi,%r8), %r9d
  40         testb   %r9b, %r9b
  41         movb    %r9b, 1(%rcx,%r8)
  42         jne     .L6
  43 .L12:
  44         movq    %rdi, %rax
  45         ret
  46         .size   __strcat_chk, .-__strcat_chk
  47         .hidden __chk_fail