io/openat64.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __libc_openat64
   4         .type   __libc_openat64, @function
   5 __libc_openat64:
   6         pushq   %r12
   7         pushq   %rbp
   8         pushq   %rbx
   9         subq    $96, %rsp
  10         testb   $64, %dl
  11         movq    %rcx, 72(%rsp)
  12         jne     .L2
  13         movl    %edx, %eax
  14         xorl    %r10d, %r10d
  15         andl    $4259840, %eax
  16         cmpl    $4259840, %eax
  17         je      .L2
  18 .L3:
  19 #APP
  20 # 45 "../sysdeps/unix/sysv/linux/openat64.c" 1
  21         movl %fs:24,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         testl   %eax, %eax
  25         jne     .L6
  26         movl    $257, %eax
  27 #APP
  28 # 45 "../sysdeps/unix/sysv/linux/openat64.c" 1
  29         syscall
  30
  31 # 0 "" 2
  32 #NO_APP
  33         cmpq    $-4096, %rax
  34         ja      .L14
  35 .L1:
  36         addq    $96, %rsp
  37         popq    %rbx
  38         popq    %rbp
  39         popq    %r12
  40         ret
  41         .p2align 4,,10
  42         .p2align 3
  43 .L2:
  44         leaq    128(%rsp), %rax
  45         movl    $24, 24(%rsp)
  46         movl    72(%rsp), %r10d
  47         movq    %rax, 32(%rsp)
  48         leaq    48(%rsp), %rax
  49         movq    %rax, 40(%rsp)
  50         jmp     .L3
  51         .p2align 4,,10
  52         .p2align 3
  53 .L6:
  54         movl    %edx, %ebx
  55         movq    %rsi, %r12
  56         movl    %edi, %ebp
  57         movl    %r10d, 12(%rsp)
  58         call    __libc_enable_asynccancel
  59         movl    12(%rsp), %r10d
  60         movl    %eax, %r8d
  61         movl    %ebx, %edx
  62         movq    %r12, %rsi
  63         movl    %ebp, %edi
  64         movl    $257, %eax
  65 #APP
  66 # 45 "../sysdeps/unix/sysv/linux/openat64.c" 1
  67         syscall
  68
  69 # 0 "" 2
  70 #NO_APP
  71         cmpq    $-4096, %rax
  72         ja      .L15
  73 .L10:
  74         movl    %r8d, %edi
  75         movl    %eax, 12(%rsp)
  76         call    __libc_disable_asynccancel
  77         movl    12(%rsp), %eax
  78         addq    $96, %rsp
  79         popq    %rbx
  80         popq    %rbp
  81         popq    %r12
  82         ret
  83         .p2align 4,,10
  84         .p2align 3
  85 .L14:
  86         movq    __libc_errno@gottpoff(%rip), %rdx
  87         negl    %eax
  88         movl    %eax, %fs:(%rdx)
  89         movl    $-1, %eax
  90         jmp     .L1
  91 .L15:
  92         movq    __libc_errno@gottpoff(%rip), %rdx
  93         negl    %eax
  94         movl    %eax, %fs:(%rdx)
  95         movl    $-1, %eax
  96         jmp     .L10
  97         .size   __libc_openat64, .-__libc_openat64
  98         .weak   openat
  99         .set    openat,__libc_openat64
 100         .globl  __openat
 101         .hidden __openat
 102         .set    __openat,__libc_openat64
 103         .weak   openat64
 104         .set    openat64,__libc_openat64
 105         .globl  __openat64
 106         .hidden __openat64
 107         .set    __openat64,__libc_openat64
 108         .hidden __libc_disable_asynccancel
 109         .hidden __libc_enable_asynccancel