misc/preadv64.s

   1         .text
   2         .p2align 4,,15
   3         .globl  preadv64
   4         .hidden preadv64
   5         .type   preadv64, @function
   6 preadv64:
   7         movq    %rcx, %r10
   8 #APP
   9 # 26 "../sysdeps/unix/sysv/linux/preadv64.c" 1
  10         movl %fs:24,%eax
  11 # 0 "" 2
  12 #NO_APP
  13         testl   %eax, %eax
  14         jne     .L2
  15         xorl    %r8d, %r8d
  16         movl    $295, %eax
  17 #APP
  18 # 26 "../sysdeps/unix/sysv/linux/preadv64.c" 1
  19         syscall
  20
  21 # 0 "" 2
  22 #NO_APP
  23         cmpq    $-4096, %rax
  24         ja      .L9
  25         rep ret
  26         .p2align 4,,10
  27         .p2align 3
  28 .L2:
  29         pushq   %r13
  30         pushq   %r12
  31         movl    %edx, %r13d
  32         pushq   %rbp
  33         pushq   %rbx
  34         movq    %rcx, %r12
  35         movq    %rsi, %rbp
  36         movl    %edi, %ebx
  37         subq    $24, %rsp
  38         call    __libc_enable_asynccancel
  39         xorl    %r8d, %r8d
  40         movl    %eax, %r9d
  41         movq    %r12, %r10
  42         movl    %r13d, %edx
  43         movq    %rbp, %rsi
  44         movl    %ebx, %edi
  45         movl    $295, %eax
  46 #APP
  47 # 26 "../sysdeps/unix/sysv/linux/preadv64.c" 1
  48         syscall
  49
  50 # 0 "" 2
  51 #NO_APP
  52         cmpq    $-4096, %rax
  53         ja      .L10
  54 .L4:
  55         movl    %r9d, %edi
  56         movq    %rax, 8(%rsp)
  57         call    __libc_disable_asynccancel
  58         movq    8(%rsp), %rax
  59         addq    $24, %rsp
  60         popq    %rbx
  61         popq    %rbp
  62         popq    %r12
  63         popq    %r13
  64         ret
  65         .p2align 4,,10
  66         .p2align 3
  67 .L9:
  68         movq    __libc_errno@gottpoff(%rip), %rdx
  69         negl    %eax
  70         movl    %eax, %fs:(%rdx)
  71         movq    $-1, %rax
  72         ret
  73 .L10:
  74         movq    __libc_errno@gottpoff(%rip), %rdx
  75         negl    %eax
  76         movl    %eax, %fs:(%rdx)
  77         movq    $-1, %rax
  78         jmp     .L4
  79         .size   preadv64, .-preadv64
  80         .globl  preadv
  81         .hidden preadv
  82         .set    preadv,preadv64
  83         .hidden __libc_disable_asynccancel
  84         .hidden __libc_enable_asynccancel