io/faccessat.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __faccessat
   4         .type   __faccessat, @function
   5 __faccessat:
   6         pushq   %r14
   7         pushq   %r13
   8         movl    %ecx, %r14d
   9         pushq   %r12
  10         pushq   %rbp
  11         movl    %ecx, %r10d
  12         pushq   %rbx
  13         movl    $439, %ecx
  14         movl    %edi, %ebx
  15         movq    %rsi, %rbp
  16         movl    %edx, %r13d
  17         movl    %ecx, %eax
  18         subq    $144, %rsp
  19 #APP
  20 # 29 "../sysdeps/unix/sysv/linux/faccessat.c" 1
  21         syscall
  22
  23 # 0 "" 2
  24 #NO_APP
  25         cmpq    $-4096, %rax
  26         movq    %rax, %rdx
  27         ja      .L33
  28         testl   %eax, %eax
  29         jne     .L4
  30 .L11:
  31         xorl    %eax, %eax
  32 .L1:
  33         addq    $144, %rsp
  34         popq    %rbx
  35         popq    %rbp
  36         popq    %r12
  37         popq    %r13
  38         popq    %r14
  39         ret
  40         .p2align 4,,10
  41         .p2align 3
  42 .L4:
  43         movq    __libc_errno@gottpoff(%rip), %r12
  44         movl    %fs:(%r12), %edx
  45 .L3:
  46         cmpl    $38, %edx
  47         jne     .L1
  48         testl   $-769, %r14d
  49         jne     .L34
  50         testl   %r14d, %r14d
  51         je      .L7
  52         testl   $-513, %r14d
  53         jne     .L8
  54         movl    __libc_enable_secure(%rip), %eax
  55         testl   %eax, %eax
  56         je      .L7
  57 .L8:
  58         movl    %r14d, %ecx
  59         movq    %rbp, %rsi
  60         movl    %ebx, %edi
  61         andl    $256, %ecx
  62         movq    %rsp, %rdx
  63         call    __fstatat64
  64         testl   %eax, %eax
  65         jne     .L21
  66         movl    %r13d, %ebx
  67         andl    $7, %ebx
  68         je      .L11
  69         andl    $512, %r14d
  70         je      .L12
  71         call    __geteuid
  72 .L13:
  73         testl   %eax, %eax
  74         jne     .L14
  75         andl    $1, %r13d
  76         je      .L11
  77         testb   $73, 24(%rsp)
  78         jne     .L11
  79 .L14:
  80         cmpl    %eax, 28(%rsp)
  81         je      .L35
  82         testl   %r14d, %r14d
  83         movl    32(%rsp), %ebp
  84         je      .L17
  85         call    __getegid
  86 .L18:
  87         cmpl    %eax, %ebp
  88         je      .L20
  89         movl    32(%rsp), %edi
  90         call    __group_member
  91         testl   %eax, %eax
  92         jne     .L20
  93         movl    24(%rsp), %eax
  94         andl    %ebx, %eax
  95         .p2align 4,,10
  96         .p2align 3
  97 .L16:
  98         cmpl    %ebx, %eax
  99         je      .L11
 100         movl    $13, %fs:(%r12)
 101         orl     $-1, %eax
 102         jmp     .L1
 103         .p2align 4,,10
 104         .p2align 3
 105 .L7:
 106         movl    %r13d, %edx
 107         movq    %rbp, %rsi
 108         movl    %ebx, %edi
 109         movl    $269, %eax
 110 #APP
 111 # 40 "../sysdeps/unix/sysv/linux/faccessat.c" 1
 112         syscall
 113
 114 # 0 "" 2
 115 #NO_APP
 116         cmpq    $-4096, %rax
 117         jbe     .L1
 118         negl    %eax
 119         movl    %eax, %fs:(%r12)
 120         movl    $-1, %eax
 121         jmp     .L1
 122         .p2align 4,,10
 123         .p2align 3
 124 .L33:
 125         movq    __libc_errno@gottpoff(%rip), %r12
 126         negl    %edx
 127         movl    $-1, %eax
 128         movl    %edx, %fs:(%r12)
 129         jmp     .L3
 130 .L34:
 131         movl    $22, %fs:(%r12)
 132         movl    $-1, %eax
 133         jmp     .L1
 134         .p2align 4,,10
 135         .p2align 3
 136 .L12:
 137         call    __getuid
 138         jmp     .L13
 139         .p2align 4,,10
 140         .p2align 3
 141 .L20:
 142         leal    0(,%rbx,8), %eax
 143         andl    24(%rsp), %eax
 144         shrl    $3, %eax
 145         jmp     .L16
 146 .L35:
 147         movl    %ebx, %eax
 148         sall    $6, %eax
 149         andl    24(%rsp), %eax
 150         shrl    $6, %eax
 151         jmp     .L16
 152 .L17:
 153         call    __getgid
 154         jmp     .L18
 155 .L21:
 156         movl    $-1, %eax
 157         jmp     .L1
 158         .size   __faccessat, .-__faccessat
 159         .weak   faccessat
 160         .set    faccessat,__faccessat
 161         .hidden __getgid
 162         .hidden __getuid
 163         .hidden __group_member
 164         .hidden __getegid
 165         .hidden __geteuid
 166         .hidden __fstatat64