posix/execle.s

   1         .text
   2         .p2align 4,,15
   3         .globl  execle
   4         .hidden execle
   5         .type   execle, @function
   6 execle:
   7         pushq   %rbp
   8         movq    %rsi, %r10
   9         movq    %rsp, %rbp
  10         pushq   %r12
  11         pushq   %rbx
  12         leaq    16(%rbp), %rax
  13         leaq    16(%rbp), %rsi
  14         subq    $80, %rsp
  15         movq    %rdx, -48(%rbp)
  16         movq    %r8, -32(%rbp)
  17         movq    %rax, -80(%rbp)
  18         leaq    -64(%rbp), %rax
  19         movq    %rcx, -40(%rbp)
  20         movq    %r9, -24(%rbp)
  21         movl    $16, -88(%rbp)
  22         movl    $16, %edx
  23         movq    %rax, -72(%rbp)
  24         movq    %rax, %r8
  25         movl    $1, %eax
  26         .p2align 4,,10
  27         .p2align 3
  28 .L2:
  29         cmpl    $47, %edx
  30         ja      .L5
  31         movl    %edx, %ecx
  32         addl    $8, %edx
  33         addq    %r8, %rcx
  34 .L6:
  35         cmpq    $0, (%rcx)
  36         je      .L28
  37         cmpq    $2147483647, %rax
  38         je      .L29
  39         addq    $1, %rax
  40         jmp     .L2
  41         .p2align 4,,10
  42         .p2align 3
  43 .L28:
  44         leaq    8(,%rax,8), %rcx
  45         movq    %rsp, %rbx
  46         leaq    16(%rbp), %rdx
  47         movl    $16, -88(%rbp)
  48         movl    $16, %r8d
  49         xorl    %r11d, %r11d
  50         leaq    22(%rcx), %rax
  51         movq    %rdx, -80(%rbp)
  52         leaq    -64(%rbp), %rdx
  53         xorl    %r12d, %r12d
  54         andq    $-16, %rax
  55         movq    %rdx, -72(%rbp)
  56         movq    %rdx, %r9
  57         subq    %rax, %rsp
  58         leaq    7(%rsp), %rax
  59         shrq    $3, %rax
  60         leaq    0(,%rax,8), %rsi
  61         movq    %r10, 0(,%rax,8)
  62         leaq    16(%rbp), %r10
  63         leaq    8(%rsi), %rax
  64         addq    %rsi, %rcx
  65         .p2align 4,,10
  66         .p2align 3
  67 .L11:
  68         cmpl    $47, %r8d
  69         ja      .L9
  70         movl    %r8d, %edx
  71         movl    $1, %r12d
  72         addl    $8, %r8d
  73         addq    %r9, %rdx
  74 .L10:
  75         movq    (%rdx), %rdx
  76         addq    $8, %rax
  77         movq    %rdx, -8(%rax)
  78         cmpq    %rax, %rcx
  79         jne     .L11
  80         testb   %r12b, %r12b
  81         je      .L12
  82         movl    %r8d, -88(%rbp)
  83 .L12:
  84         testb   %r11b, %r11b
  85         je      .L13
  86         movq    %r10, -80(%rbp)
  87 .L13:
  88         movl    -88(%rbp), %eax
  89         cmpl    $47, %eax
  90         ja      .L14
  91         addq    %r9, %rax
  92 .L15:
  93         movq    (%rax), %rdx
  94         call    __execve
  95         movq    %rbx, %rsp
  96         leaq    -16(%rbp), %rsp
  97         popq    %rbx
  98         popq    %r12
  99         popq    %rbp
 100         ret
 101 .L29:
 102         movq    __libc_errno@gottpoff(%rip), %rax
 103         movl    $7, %fs:(%rax)
 104         leaq    -16(%rbp), %rsp
 105         movl    $-1, %eax
 106         popq    %rbx
 107         popq    %r12
 108         popq    %rbp
 109         ret
 110 .L9:
 111         movq    %r10, %rdx
 112         movl    $1, %r11d
 113         addq    $8, %r10
 114         jmp     .L10
 115 .L5:
 116         movq    %rsi, %rcx
 117         addq    $8, %rsi
 118         jmp     .L6
 119 .L14:
 120         movq    -80(%rbp), %rax
 121         jmp     .L15
 122         .size   execle, .-execle
 123         .hidden __execve