io/sync_file_range.s

   1         .text
   2         .p2align 4,,15
   3         .globl  sync_file_range
   4         .type   sync_file_range, @function
   5 sync_file_range:
   6         movl    %ecx, %r10d
   7 #APP
   8 # 29 "../sysdeps/unix/sysv/linux/sync_file_range.c" 1
   9         movl %fs:24,%eax
  10 # 0 "" 2
  11 #NO_APP
  12         testl   %eax, %eax
  13         jne     .L2
  14         movl    $277, %eax
  15 #APP
  16 # 29 "../sysdeps/unix/sysv/linux/sync_file_range.c" 1
  17         syscall
  18
  19 # 0 "" 2
  20 #NO_APP
  21         cmpq    $-4096, %rax
  22         ja      .L11
  23         rep ret
  24         .p2align 4,,10
  25         .p2align 3
  26 .L2:
  27         pushq   %r13
  28         pushq   %r12
  29         movl    %ecx, %r13d
  30         pushq   %rbp
  31         pushq   %rbx
  32         movq    %rdx, %r12
  33         movq    %rsi, %rbp
  34         movl    %edi, %ebx
  35         subq    $24, %rsp
  36         call    __libc_enable_asynccancel
  37         movl    %r13d, %r10d
  38         movl    %eax, %r8d
  39         movq    %r12, %rdx
  40         movq    %rbp, %rsi
  41         movl    %ebx, %edi
  42         movl    $277, %eax
  43 #APP
  44 # 29 "../sysdeps/unix/sysv/linux/sync_file_range.c" 1
  45         syscall
  46
  47 # 0 "" 2
  48 #NO_APP
  49         cmpq    $-4096, %rax
  50         ja      .L12
  51 .L6:
  52         movl    %r8d, %edi
  53         movl    %eax, 12(%rsp)
  54         call    __libc_disable_asynccancel
  55         movl    12(%rsp), %eax
  56         addq    $24, %rsp
  57         popq    %rbx
  58         popq    %rbp
  59         popq    %r12
  60         popq    %r13
  61         ret
  62         .p2align 4,,10
  63         .p2align 3
  64 .L11:
  65         movq    __libc_errno@gottpoff(%rip), %rdx
  66         negl    %eax
  67         movl    %eax, %fs:(%rdx)
  68         movl    $-1, %eax
  69         ret
  70 .L12:
  71         movq    __libc_errno@gottpoff(%rip), %rdx
  72         negl    %eax
  73         movl    %eax, %fs:(%rdx)
  74         movl    $-1, %eax
  75         jmp     .L6
  76         .size   sync_file_range, .-sync_file_range
  77         .hidden __libc_disable_asynccancel
  78         .hidden __libc_enable_asynccancel