sysvipc/shmctl.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6         .symver __shmctl,shmctl@@GLIBC_2.2.5
   7 #NO_APP
   8         .p2align 4,,15
   9         .globl  __shmctl
  10         .type   __shmctl, @function
  11 __shmctl:
  12         cmpl    $15, %esi
  13         ja      .L2
  14         movl    $1, %eax
  15         movl    %esi, %ecx
  16         salq    %cl, %rax
  17         testl   $40966, %eax
  18         jne     .L4
  19         testl   $6145, %eax
  20         jne     .L8
  21         testl   $16392, %eax
  22         je      .L2
  23 .L4:
  24         movl    $31, %eax
  25 #APP
  26 # 78 "../sysdeps/unix/sysv/linux/shmctl.c" 1
  27         syscall
  28
  29 # 0 "" 2
  30 #NO_APP
  31         cmpq    $-4096, %rax
  32         ja      .L10
  33         rep ret
  34         .p2align 4,,10
  35         .p2align 3
  36 .L8:
  37         xorl    %edx, %edx
  38         jmp     .L4
  39         .p2align 4,,10
  40         .p2align 3
  41 .L10:
  42         movq    __libc_errno@gottpoff(%rip), %rdx
  43         negl    %eax
  44         movl    %eax, %fs:(%rdx)
  45         movl    $-1, %eax
  46         ret
  47         .p2align 4,,10
  48         .p2align 3
  49 .L2:
  50         movq    __libc_errno@gottpoff(%rip), %rax
  51         movl    $22, %fs:(%rax)
  52         movl    $-1, %eax
  53         ret
  54         .size   __shmctl, .-__shmctl