posix/execlp.s

   1         .text
   2         .p2align 4,,15
   3         .globl  execlp
   4         .hidden execlp
   5         .type   execlp, @function
   6 execlp:
   7         pushq   %rbp
   8         movq    %rsi, %r10
   9         movq    %rsp, %rbp
  10         pushq   %rbx
  11         leaq    16(%rbp), %rax
  12         leaq    16(%rbp), %rsi
  13         subq    $88, %rsp
  14         movq    %rdx, -48(%rbp)
  15         movq    %r8, -32(%rbp)
  16         movq    %rax, -80(%rbp)
  17         leaq    -64(%rbp), %rax
  18         movq    %rcx, -40(%rbp)
  19         movq    %r9, -24(%rbp)
  20         movl    $16, -88(%rbp)
  21         movl    $16, %edx
  22         movq    %rax, -72(%rbp)
  23         movq    %rax, %r8
  24         movl    $1, %eax
  25         .p2align 4,,10
  26         .p2align 3
  27 .L2:
  28         cmpl    $47, %edx
  29         ja      .L5
  30         movl    %edx, %ecx
  31         addl    $8, %edx
  32         addq    %r8, %rcx
  33 .L6:
  34         cmpq    $0, (%rcx)
  35         je      .L22
  36         cmpq    $2147483647, %rax
  37         je      .L23
  38         addq    $1, %rax
  39         jmp     .L2
  40         .p2align 4,,10
  41         .p2align 3
  42 .L22:
  43         leaq    8(,%rax,8), %rcx
  44         movq    %rsp, %rbx
  45         leaq    16(%rbp), %rdx
  46         movl    $16, -88(%rbp)
  47         movl    $16, %r8d
  48         xorl    %r9d, %r9d
  49         leaq    22(%rcx), %rax
  50         movq    %rdx, -80(%rbp)
  51         leaq    -64(%rbp), %rdx
  52         andq    $-16, %rax
  53         movq    %rdx, -72(%rbp)
  54         movq    %rdx, %r11
  55         subq    %rax, %rsp
  56         leaq    7(%rsp), %rax
  57         shrq    $3, %rax
  58         leaq    0(,%rax,8), %rsi
  59         movq    %r10, 0(,%rax,8)
  60         leaq    16(%rbp), %r10
  61         leaq    8(%rsi), %rax
  62         addq    %rsi, %rcx
  63         .p2align 4,,10
  64         .p2align 3
  65 .L11:
  66         cmpl    $47, %r8d
  67         ja      .L9
  68         movl    %r8d, %edx
  69         movl    $1, %r9d
  70         addl    $8, %r8d
  71         addq    %r11, %rdx
  72 .L10:
  73         movq    (%rdx), %rdx
  74         addq    $8, %rax
  75         movq    %rdx, -8(%rax)
  76         cmpq    %rcx, %rax
  77         jne     .L11
  78         testb   %r9b, %r9b
  79         jne     .L24
  80 .L12:
  81         movq    __environ(%rip), %rdx
  82         call    __execvpe
  83         movq    %rbx, %rsp
  84         movq    -8(%rbp), %rbx
  85         leave
  86         ret
  87 .L23:
  88         movq    __libc_errno@gottpoff(%rip), %rax
  89         movq    -8(%rbp), %rbx
  90         movl    $7, %fs:(%rax)
  91         movl    $-1, %eax
  92         leave
  93         ret
  94 .L9:
  95         movq    %r10, %rdx
  96         addq    $8, %r10
  97         jmp     .L10
  98 .L5:
  99         movq    %rsi, %rcx
 100         addq    $8, %rsi
 101         jmp     .L6
 102 .L24:
 103         movl    %r8d, -88(%rbp)
 104         jmp     .L12
 105         .size   execlp, .-execlp
 106         .hidden __execvpe