io/file_change_detection.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __file_is_unchanged
   4         .hidden __file_is_unchanged
   5         .type   __file_is_unchanged, @function
   6 __file_is_unchanged:
   7         movq    (%rdi), %rdx
   8         xorl    %eax, %eax
   9         testq   %rdx, %rdx
  10         js      .L1
  11         movq    (%rsi), %rcx
  12         testq   %rcx, %rcx
  13         js      .L1
  14         testq   %rdx, %rdx
  15         jne     .L3
  16         testq   %rcx, %rcx
  17         sete    %al
  18         ret
  19         .p2align 4,,10
  20         .p2align 3
  21 .L3:
  22         cmpq    %rcx, %rdx
  23         jne     .L1
  24         movq    8(%rsi), %rcx
  25         cmpq    %rcx, 8(%rdi)
  26         jne     .L1
  27         movq    16(%rsi), %rcx
  28         cmpq    %rcx, 16(%rdi)
  29         jne     .L1
  30         movq    24(%rsi), %rcx
  31         cmpq    %rcx, 24(%rdi)
  32         jne     .L1
  33         movq    32(%rsi), %rcx
  34         cmpq    %rcx, 32(%rdi)
  35         jne     .L1
  36         movq    40(%rsi), %rax
  37         cmpq    %rax, 40(%rdi)
  38         sete    %al
  39 .L1:
  40         rep ret
  41         .size   __file_is_unchanged, .-__file_is_unchanged
  42         .p2align 4,,15
  43         .globl  __file_change_detection_for_stat
  44         .hidden __file_change_detection_for_stat
  45         .type   __file_change_detection_for_stat, @function
  46 __file_change_detection_for_stat:
  47         movl    24(%rsi), %eax
  48         andl    $61440, %eax
  49         cmpl    $16384, %eax
  50         je      .L18
  51         cmpl    $32768, %eax
  52         je      .L17
  53         movq    $-1, (%rdi)
  54         ret
  55         .p2align 4,,10
  56         .p2align 3
  57 .L17:
  58         movq    48(%rsi), %rax
  59         movdqu  88(%rsi), %xmm0
  60         movq    %rax, (%rdi)
  61         movq    8(%rsi), %rax
  62         movups  %xmm0, 16(%rdi)
  63         movdqu  104(%rsi), %xmm0
  64         movq    %rax, 8(%rdi)
  65         movups  %xmm0, 32(%rdi)
  66         ret
  67         .p2align 4,,10
  68         .p2align 3
  69 .L18:
  70         movq    $0, (%rdi)
  71         ret
  72         .size   __file_change_detection_for_stat, .-__file_change_detection_for_stat
  73         .p2align 4,,15
  74         .globl  __file_change_detection_for_path
  75         .hidden __file_change_detection_for_path
  76         .type   __file_change_detection_for_path, @function
  77 __file_change_detection_for_path:
  78         pushq   %rbx
  79         movq    %rdi, %rbx
  80         movq    %rsi, %rdi
  81         subq    $144, %rsp
  82         movq    %rsp, %rsi
  83         call    __stat64
  84         testl   %eax, %eax
  85         je      .L20
  86         movq    __libc_errno@gottpoff(%rip), %rax
  87         movl    %fs:(%rax), %edx
  88         xorl    %eax, %eax
  89         cmpl    $40, %edx
  90         ja      .L19
  91         movabsq $1099514781702, %rcx
  92         btq     %rdx, %rcx
  93         jc      .L28
  94 .L19:
  95         addq    $144, %rsp
  96         popq    %rbx
  97         ret
  98         .p2align 4,,10
  99         .p2align 3
 100 .L20:
 101         movl    24(%rsp), %eax
 102         andl    $61440, %eax
 103         cmpl    $16384, %eax
 104         je      .L28
 105         cmpl    $32768, %eax
 106         je      .L23
 107         movq    $-1, (%rbx)
 108         addq    $144, %rsp
 109         movl    $1, %eax
 110         popq    %rbx
 111         ret
 112         .p2align 4,,10
 113         .p2align 3
 114 .L28:
 115         movq    $0, (%rbx)
 116         addq    $144, %rsp
 117         movl    $1, %eax
 118         popq    %rbx
 119         ret
 120         .p2align 4,,10
 121         .p2align 3
 122 .L23:
 123         movq    48(%rsp), %rax
 124         movdqu  88(%rsp), %xmm0
 125         movq    %rax, (%rbx)
 126         movq    8(%rsp), %rax
 127         movups  %xmm0, 16(%rbx)
 128         movdqu  104(%rsp), %xmm0
 129         movq    %rax, 8(%rbx)
 130         movl    $1, %eax
 131         movups  %xmm0, 32(%rbx)
 132         jmp     .L19
 133         .size   __file_change_detection_for_path, .-__file_change_detection_for_path
 134         .p2align 4,,15
 135         .globl  __file_change_detection_for_fp
 136         .hidden __file_change_detection_for_fp
 137         .type   __file_change_detection_for_fp, @function
 138 __file_change_detection_for_fp:
 139         testq   %rsi, %rsi
 140         je      .L39
 141         pushq   %rbx
 142         movq    %rdi, %rbx
 143         movq    %rsi, %rdi
 144         subq    $144, %rsp
 145         call    __fileno
 146         movq    %rsp, %rsi
 147         movl    %eax, %edi
 148         call    __fstat64
 149         movl    %eax, %edx
 150         xorl    %eax, %eax
 151         testl   %edx, %edx
 152         je      .L40
 153 .L29:
 154         addq    $144, %rsp
 155         popq    %rbx
 156         ret
 157         .p2align 4,,10
 158         .p2align 3
 159 .L40:
 160         movl    24(%rsp), %eax
 161         andl    $61440, %eax
 162         cmpl    $16384, %eax
 163         je      .L41
 164         cmpl    $32768, %eax
 165         je      .L34
 166         movq    $-1, (%rbx)
 167         addq    $144, %rsp
 168         movl    $1, %eax
 169         popq    %rbx
 170         ret
 171         .p2align 4,,10
 172         .p2align 3
 173 .L39:
 174         movq    $0, (%rdi)
 175         movl    $1, %eax
 176         ret
 177         .p2align 4,,10
 178         .p2align 3
 179 .L41:
 180         movq    $0, (%rbx)
 181         movl    $1, %eax
 182         jmp     .L29
 183         .p2align 4,,10
 184         .p2align 3
 185 .L34:
 186         movq    48(%rsp), %rax
 187         movdqu  88(%rsp), %xmm0
 188         movq    %rax, (%rbx)
 189         movq    8(%rsp), %rax
 190         movups  %xmm0, 16(%rbx)
 191         movdqu  104(%rsp), %xmm0
 192         movq    %rax, 8(%rbx)
 193         movl    $1, %eax
 194         movups  %xmm0, 32(%rbx)
 195         jmp     .L29
 196         .size   __file_change_detection_for_fp, .-__file_change_detection_for_fp
 197         .hidden __fstat64
 198         .hidden __fileno
 199         .hidden __stat64