posix/fexecve.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6         .section        .rodata.str1.1,"aMS",@progbits,1
   7 .LC0:
   8         .string ""
   9 .LC1:
  10         .string "/proc/self/fd/%d"
  11 .LC2:
  12         .string "/proc/self/fd"
  13 #NO_APP
  14         .text
  15         .p2align 4,,15
  16         .globl  fexecve
  17         .type   fexecve, @function
  18 fexecve:
  19         pushq   %r14
  20         pushq   %r13
  21         pushq   %r12
  22         pushq   %rbp
  23         pushq   %rbx
  24         movq    %rdx, %rbx
  25         subq    $176, %rsp
  26         testq   %rsi, %rsi
  27         sete    %dl
  28         testq   %rbx, %rbx
  29         sete    %al
  30         orb     %al, %dl
  31         jne     .L9
  32         testl   %edi, %edi
  33         movl    %edi, %r12d
  34         js      .L9
  35         movq    %rsi, %r14
  36         movq    %rsi, %rdx
  37         movl    $4096, %r8d
  38         movq    %rbx, %r10
  39         leaq    .LC0(%rip), %rsi
  40         movl    $322, %eax
  41 #APP
  42 # 43 "../sysdeps/unix/sysv/linux/fexecve.c" 1
  43         syscall
  44
  45 # 0 "" 2
  46 #NO_APP
  47         cmpq    $-4096, %rax
  48         ja      .L5
  49         movq    __libc_errno@gottpoff(%rip), %r13
  50         movl    %fs:0(%r13), %ebp
  51 .L6:
  52         cmpl    $38, %ebp
  53         jne     .L4
  54         movl    %r12d, %ecx
  55         leaq    .LC1(%rip), %rdx
  56         movq    %rsp, %r12
  57         movl    $27, %esi
  58         movq    %r12, %rdi
  59         xorl    %eax, %eax
  60         call    __GI___snprintf
  61         movq    %rbx, %rdx
  62         movq    %r14, %rsi
  63         movq    %r12, %rdi
  64         call    __execve
  65         leaq    32(%rsp), %rsi
  66         leaq    .LC2(%rip), %rdi
  67         movl    %fs:0(%r13), %ebx
  68         call    __GI___stat64
  69         testl   %eax, %eax
  70         je      .L7
  71         cmpl    $2, %fs:0(%r13)
  72         cmove   %ebp, %ebx
  73 .L7:
  74         movl    %ebx, %fs:0(%r13)
  75         jmp     .L4
  76         .p2align 4,,10
  77         .p2align 3
  78 .L9:
  79         movq    __libc_errno@gottpoff(%rip), %rax
  80         movl    $22, %fs:(%rax)
  81 .L4:
  82         addq    $176, %rsp
  83         movl    $-1, %eax
  84         popq    %rbx
  85         popq    %rbp
  86         popq    %r12
  87         popq    %r13
  88         popq    %r14
  89         ret
  90         .p2align 4,,10
  91         .p2align 3
  92 .L5:
  93         movq    __libc_errno@gottpoff(%rip), %r13
  94         movl    %eax, %ebp
  95         negl    %ebp
  96         movl    %ebp, %fs:0(%r13)
  97         jmp     .L6
  98         .size   fexecve, .-fexecve
  99         .hidden __execve