posix/pread64.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6 #NO_APP
   7         .p2align 4,,15
   8         .globl  __libc_pread64
   9         .hidden __libc_pread64
  10         .type   __libc_pread64, @function
  11 __libc_pread64:
  12         movq    %rcx, %r10
  13 #APP
  14 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  15         movl %fs:24,%eax
  16 # 0 "" 2
  17 #NO_APP
  18         testl   %eax, %eax
  19         jne     .L2
  20         movl    $17, %eax
  21 #APP
  22 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  23         syscall
  24
  25 # 0 "" 2
  26 #NO_APP
  27         cmpq    $-4096, %rax
  28         ja      .L9
  29         rep ret
  30         .p2align 4,,10
  31         .p2align 3
  32 .L2:
  33         pushq   %r13
  34         pushq   %r12
  35         movq    %rdx, %r13
  36         pushq   %rbp
  37         pushq   %rbx
  38         movq    %rcx, %r12
  39         movq    %rsi, %rbp
  40         movl    %edi, %ebx
  41         subq    $24, %rsp
  42         call    __libc_enable_asynccancel
  43         movq    %r12, %r10
  44         movl    %eax, %r8d
  45         movq    %r13, %rdx
  46         movq    %rbp, %rsi
  47         movl    %ebx, %edi
  48         movl    $17, %eax
  49 #APP
  50 # 25 "../sysdeps/unix/sysv/linux/pread64.c" 1
  51         syscall
  52
  53 # 0 "" 2
  54 #NO_APP
  55         cmpq    $-4096, %rax
  56         ja      .L10
  57 .L4:
  58         movl    %r8d, %edi
  59         movq    %rax, 8(%rsp)
  60         call    __libc_disable_asynccancel
  61         movq    8(%rsp), %rax
  62         addq    $24, %rsp
  63         popq    %rbx
  64         popq    %rbp
  65         popq    %r12
  66         popq    %r13
  67         ret
  68         .p2align 4,,10
  69         .p2align 3
  70 .L9:
  71         movq    __libc_errno@gottpoff(%rip), %rdx
  72         negl    %eax
  73         movl    %eax, %fs:(%rdx)
  74         movq    $-1, %rax
  75         ret
  76 .L10:
  77         movq    __libc_errno@gottpoff(%rip), %rdx
  78         negl    %eax
  79         movl    %eax, %fs:(%rdx)
  80         movq    $-1, %rax
  81         jmp     .L4
  82         .size   __libc_pread64, .-__libc_pread64
  83         .weak   pread
  84         .set    pread,__libc_pread64
  85         .weak   __GI___pread
  86         .hidden __GI___pread
  87         .set    __GI___pread,__libc_pread64
  88         .globl  __libc_pread
  89         .set    __libc_pread,__libc_pread64
  90         .weak   pread64
  91         .set    pread64,__libc_pread64
  92         .weak   __GI___pread64
  93         .hidden __GI___pread64
  94         .set    __GI___pread64,__libc_pread64
  95         .weak   __pread64
  96         .set    __pread64,__GI___pread64
  97         .hidden __libc_disable_asynccancel
  98         .hidden __libc_enable_asynccancel