misc/pkey_set.s

   1         .text
   2         .p2align 4,,15
   3         .globl  pkey_set
   4         .type   pkey_set, @function
   5 pkey_set:
   6         cmpl    $15, %edi
   7         ja      .L5
   8         cmpl    $3, %esi
   9         ja      .L5
  10         xorl    %r8d, %r8d
  11         addl    %edi, %edi
  12         movl    %r8d, %ecx
  13 #APP
  14 # 27 "../sysdeps/unix/sysv/linux/x86/arch-pkey.h" 1
  15         .byte 0x0f, 0x01, 0xee
  16 # 0 "" 2
  17 #NO_APP
  18         movl    $3, %edx
  19         movl    %edi, %ecx
  20         sall    %cl, %edx
  21         sall    %cl, %esi
  22         movl    %r8d, %ecx
  23         notl    %edx
  24         andl    %edx, %eax
  25         movl    %r8d, %edx
  26         orl     %esi, %eax
  27 #APP
  28 # 36 "../sysdeps/unix/sysv/linux/x86/arch-pkey.h" 1
  29         .byte 0x0f, 0x01, 0xef
  30 # 0 "" 2
  31 #NO_APP
  32         xorl    %eax, %eax
  33         ret
  34         .p2align 4,,10
  35         .p2align 3
  36 .L5:
  37         movq    __libc_errno@gottpoff(%rip), %rax
  38         movl    $22, %fs:(%rax)
  39         movl    $-1, %eax
  40         ret
  41         .size   pkey_set, .-pkey_set