io/read.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  __GI___libc_read
   9         .hidden __GI___libc_read
  10         .type   __GI___libc_read, @function
  11 __GI___libc_read:
  12 #APP
  13 # 26 "../sysdeps/unix/sysv/linux/read.c" 1
  14         movl %fs:24,%eax
  15 # 0 "" 2
  16 #NO_APP
  17         testl   %eax, %eax
  18         jne     .L2
  19 #APP
  20 # 26 "../sysdeps/unix/sysv/linux/read.c" 1
  21         syscall
  22
  23 # 0 "" 2
  24 #NO_APP
  25         cmpq    $-4096, %rax
  26         ja      .L9
  27         rep ret
  28         .p2align 4,,10
  29         .p2align 3
  30 .L2:
  31         pushq   %r12
  32         pushq   %rbp
  33         movq    %rdx, %r12
  34         pushq   %rbx
  35         movq    %rsi, %rbp
  36         movl    %edi, %ebx
  37         subq    $16, %rsp
  38         call    __libc_enable_asynccancel
  39         movq    %r12, %rdx
  40         movl    %eax, %r8d
  41         movq    %rbp, %rsi
  42         movl    %ebx, %edi
  43         xorl    %eax, %eax
  44 #APP
  45 # 26 "../sysdeps/unix/sysv/linux/read.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    $16, %rsp
  58         popq    %rbx
  59         popq    %rbp
  60         popq    %r12
  61         ret
  62         .p2align 4,,10
  63         .p2align 3
  64 .L9:
  65         movq    __libc_errno@gottpoff(%rip), %rdx
  66         negl    %eax
  67         movl    %eax, %fs:(%rdx)
  68         movq    $-1, %rax
  69         ret
  70 .L10:
  71         movq    __libc_errno@gottpoff(%rip), %rdx
  72         negl    %eax
  73         movl    %eax, %fs:(%rdx)
  74         movq    $-1, %rax
  75         jmp     .L4
  76         .size   __GI___libc_read, .-__GI___libc_read
  77         .globl  __libc_read
  78         .set    __libc_read,__GI___libc_read
  79         .globl  read
  80         .set    read,__libc_read
  81         .weak   __GI_read
  82         .hidden __GI_read
  83         .set    __GI_read,__libc_read
  84         .globl  __read
  85         .set    __read,__libc_read
  86         .weak   __GI___read
  87         .hidden __GI___read
  88         .set    __GI___read,__libc_read
  89         .hidden __libc_disable_asynccancel
  90         .hidden __libc_enable_asynccancel