misc/makedev.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __gnu_dev_major
   4         .hidden __gnu_dev_major
   5         .type   __gnu_dev_major, @function
   6 __gnu_dev_major:
   7         movq    %rdi, %rax
   8         shrq    $8, %rax
   9         movl    %eax, %edx
  10         movq    %rdi, %rax
  11         shrq    $32, %rax
  12         andl    $4095, %edx
  13         andl    $-4096, %eax
  14         orl     %edx, %eax
  15         ret
  16         .size   __gnu_dev_major, .-__gnu_dev_major
  17         .weak   gnu_dev_major
  18         .hidden gnu_dev_major
  19         .set    gnu_dev_major,__gnu_dev_major
  20         .p2align 4,,15
  21         .globl  __gnu_dev_minor
  22         .hidden __gnu_dev_minor
  23         .type   __gnu_dev_minor, @function
  24 __gnu_dev_minor:
  25         movq    %rdi, %rax
  26         movzbl  %dil, %edx
  27         shrq    $12, %rax
  28         xorb    %al, %al
  29         orl     %edx, %eax
  30         ret
  31         .size   __gnu_dev_minor, .-__gnu_dev_minor
  32         .weak   gnu_dev_minor
  33         .hidden gnu_dev_minor
  34         .set    gnu_dev_minor,__gnu_dev_minor
  35         .p2align 4,,15
  36         .globl  __gnu_dev_makedev
  37         .hidden __gnu_dev_makedev
  38         .type   __gnu_dev_makedev, @function
  39 __gnu_dev_makedev:
  40         movq    %rsi, %rax
  41         movabsq $17592184995840, %rdx
  42         movl    %edi, %edi
  43         salq    $12, %rax
  44         movzbl  %sil, %esi
  45         andq    %rdx, %rax
  46         orq     %rsi, %rax
  47         movq    %rdi, %rsi
  48         salq    $8, %rsi
  49         andl    $1048320, %esi
  50         orq     %rax, %rsi
  51         movq    %rdi, %rax
  52         movabsq $-17592186044416, %rdi
  53         salq    $32, %rax
  54         andq    %rdi, %rax
  55         orq     %rsi, %rax
  56         ret
  57         .size   __gnu_dev_makedev, .-__gnu_dev_makedev
  58         .weak   gnu_dev_makedev
  59         .hidden gnu_dev_makedev
  60         .set    gnu_dev_makedev,__gnu_dev_makedev