debug/wcscat_chk.s

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