misc/ptrace.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  ptrace
   9         .type   ptrace, @function
  10 ptrace:
  11         leaq    8(%rsp), %rax
  12         leal    -1(%rdi), %r8d
  13         movq    %rsi, -40(%rsp)
  14         movq    %rdx, -32(%rsp)
  15         movq    %rcx, -24(%rsp)
  16         leaq    -80(%rsp), %r10
  17         movq    %rax, -64(%rsp)
  18         leaq    -48(%rsp), %rax
  19         cmpl    $3, %r8d
  20         movl    8(%rax), %esi
  21         movq    16(%rax), %rdx
  22         movq    %rax, -56(%rsp)
  23         cmovnb  24(%rax), %r10
  24         movl    $101, %eax
  25         movl    $24, -72(%rsp)
  26 #APP
  27 # 45 "../sysdeps/unix/sysv/linux/ptrace.c" 1
  28         syscall
  29
  30 # 0 "" 2
  31 #NO_APP
  32         cmpq    $-4096, %rax
  33         ja      .L16
  34         testq   %rax, %rax
  35         js      .L1
  36         cmpl    $2, %r8d
  37         jbe     .L17
  38 .L1:
  39         rep ret
  40         .p2align 4,,10
  41         .p2align 3
  42 .L17:
  43         movq    __libc_errno@gottpoff(%rip), %rax
  44         movl    $0, %fs:(%rax)
  45         movq    -80(%rsp), %rax
  46         ret
  47         .p2align 4,,10
  48         .p2align 3
  49 .L16:
  50         movq    __libc_errno@gottpoff(%rip), %rdx
  51         negl    %eax
  52         movl    %eax, %fs:(%rdx)
  53         movq    $-1, %rax
  54         ret
  55         .size   ptrace, .-ptrace