posix/pread64.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __libc_pread64
   4         .hidden __libc_pread64
   5         .type   __libc_pread64, @function
   6 __libc_pread64:
   7         movq    %rcx, %r10
   8 #APP
   9 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  10         movl %fs:24,%eax
  11 # 0 "" 2
  12 #NO_APP
  13         testl   %eax, %eax
  14         jne     .L2
  15         movl    $17, %eax
  16 #APP
  17 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  18         syscall
  19
  20 # 0 "" 2
  21 #NO_APP
  22         cmpq    $-4096, %rax
  23         ja      .L9
  24         rep ret
  25         .p2align 4,,10
  26         .p2align 3
  27 .L2:
  28         pushq   %r13
  29         pushq   %r12
  30         movq    %rdx, %r13
  31         pushq   %rbp
  32         pushq   %rbx
  33         movq    %rcx, %r12
  34         movq    %rsi, %rbp
  35         movl    %edi, %ebx
  36         subq    $24, %rsp
  37         call    __libc_enable_asynccancel
  38         movq    %r12, %r10
  39         movl    %eax, %r8d
  40         movq    %r13, %rdx
  41         movq    %rbp, %rsi
  42         movl    %ebx, %edi
  43         movl    $17, %eax
  44 #APP
  45 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  46         syscall
  47
  48 # 0 "" 2
  49 #NO_APP
  50         cmpq    $-4096, %rax
  51         ja      .L10
  52 .L4:
  53         movl    %r8d, %edi
  54         movq    %rax, 8(%rsp)
  55         call    __libc_disable_asynccancel
  56         movq    8(%rsp), %rax
  57         addq    $24, %rsp
  58         popq    %rbx
  59         popq    %rbp
  60         popq    %r12
  61         popq    %r13
  62         ret
  63         .p2align 4,,10
  64         .p2align 3
  65 .L9:
  66         movq    __libc_errno@gottpoff(%rip), %rdx
  67         negl    %eax
  68         movl    %eax, %fs:(%rdx)
  69         movq    $-1, %rax
  70         ret
  71 .L10:
  72         movq    __libc_errno@gottpoff(%rip), %rdx
  73         negl    %eax
  74         movl    %eax, %fs:(%rdx)
  75         movq    $-1, %rax
  76         jmp     .L4
  77         .size   __libc_pread64, .-__libc_pread64
  78         .weak   pread
  79         .set    pread,__libc_pread64
  80         .weak   __pread
  81         .hidden __pread
  82         .set    __pread,__libc_pread64
  83         .globl  __libc_pread
  84         .set    __libc_pread,__libc_pread64
  85         .weak   pread64
  86         .set    pread64,__libc_pread64
  87         .weak   __pread64
  88         .hidden __pread64
  89         .set    __pread64,__libc_pread64
  90         .hidden __libc_disable_asynccancel
  91         .hidden __libc_enable_asynccancel