io/posix_fallocate64.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6         .section        .rodata.str1.1,"aMS",@progbits,1
   7 .LC0:
   8         .string ""
   9 #NO_APP
  10         .text
  11         .p2align 4,,15
  12         .type   internal_fallocate64, @function
  13 internal_fallocate64:
  14         pushq   %r15
  15         pushq   %r14
  16         pushq   %r13
  17         pushq   %r12
  18         pushq   %rbp
  19         pushq   %rbx
  20         subq    $296, %rsp
  21         testq   %rsi, %rsi
  22         js      .L15
  23         testq   %rdx, %rdx
  24         movq    %rdx, %rbx
  25         js      .L15
  26         movq    %rsi, %rax
  27         movq    %rsi, %r15
  28         movl    $27, %ebp
  29         addq    %rdx, %rax
  30         js      .L1
  31         xorl    %edx, %edx
  32         xorl    %eax, %eax
  33         movl    $3, %esi
  34         movl    %edi, %r13d
  35         call    __GI___fcntl
  36         testl   %eax, %eax
  37         js      .L4
  38         testb   $4, %ah
  39         jne     .L4
  40         leaq    144(%rsp), %rsi
  41         movl    %r13d, %edi
  42         call    __GI___fstat64
  43         testl   %eax, %eax
  44         movl    %eax, %ebp
  45         jne     .L4
  46         movl    168(%rsp), %eax
  47         andl    $61440, %eax
  48         cmpl    $4096, %eax
  49         je      .L17
  50         cmpl    $32768, %eax
  51         jne     .L18
  52         testq   %rbx, %rbx
  53         jne     .L5
  54         cmpq    %r15, 192(%rsp)
  55         jge     .L1
  56         movq    %r15, %rsi
  57         movl    %r13d, %edi
  58         call    __ftruncate64
  59         testl   %eax, %eax
  60         je      .L1
  61 .L32:
  62         movq    __libc_errno@gottpoff(%rip), %rax
  63         movl    %fs:(%rax), %ebp
  64 .L1:
  65         addq    $296, %rsp
  66         movl    %ebp, %eax
  67         popq    %rbx
  68         popq    %rbp
  69         popq    %r12
  70         popq    %r13
  71         popq    %r14
  72         popq    %r15
  73         ret
  74         .p2align 4,,10
  75         .p2align 3
  76 .L4:
  77         movl    $9, %ebp
  78         jmp     .L1
  79         .p2align 4,,10
  80         .p2align 3
  81 .L15:
  82         movl    $22, %ebp
  83         jmp     .L1
  84         .p2align 4,,10
  85         .p2align 3
  86 .L5:
  87         leaq    16(%rsp), %rsi
  88         movl    %r13d, %edi
  89         movq    %rsi, 8(%rsp)
  90         call    __fstatfs64
  91         testl   %eax, %eax
  92         jne     .L32
  93         movq    24(%rsp), %rax
  94         movl    $512, %r14d
  95         testq   %rax, %rax
  96         je      .L9
  97         movl    %eax, %r14d
  98         cmpq    $4096, %rax
  99         movl    $4096, %eax
 100         cmovge  %rax, %r14
 101 .L9:
 102         leaq    -1(%rbx), %rax
 103         leaq    .LC0(%rip), %r12
 104         cqto
 105         idivq   %r14
 106         addq    %rdx, %r15
 107         jmp     .L14
 108         .p2align 4,,10
 109         .p2align 3
 110 .L10:
 111         movq    %r15, %rcx
 112         movl    $1, %edx
 113         movq    %r12, %rsi
 114         movl    %r13d, %edi
 115         call    __libc_pwrite64
 116         cmpq    $1, %rax
 117         jne     .L32
 118 .L13:
 119         addq    %r14, %r15
 120         testq   %rbx, %rbx
 121         jle     .L1
 122 .L14:
 123         subq    %r14, %rbx
 124         cmpq    %r15, 192(%rsp)
 125         jle     .L10
 126         movq    8(%rsp), %rsi
 127         movq    %r15, %rcx
 128         movl    $1, %edx
 129         movl    %r13d, %edi
 130         call    __libc_pread64
 131         testq   %rax, %rax
 132         js      .L32
 133         cmpq    $1, %rax
 134         jne     .L10
 135         cmpb    $0, 16(%rsp)
 136         je      .L10
 137         jmp     .L13
 138         .p2align 4,,10
 139         .p2align 3
 140 .L18:
 141         movl    $19, %ebp
 142         jmp     .L1
 143         .p2align 4,,10
 144         .p2align 3
 145 .L17:
 146         movl    $29, %ebp
 147         jmp     .L1
 148         .size   internal_fallocate64, .-internal_fallocate64
 149         .p2align 4,,15
 150         .globl  __GI___posix_fallocate64_l64
 151         .hidden __GI___posix_fallocate64_l64
 152         .type   __GI___posix_fallocate64_l64, @function
 153 __GI___posix_fallocate64_l64:
 154         pushq   %rbx
 155         movq    %rsi, %r9
 156         movq    %rdx, %rbx
 157         movq    %rdx, %r10
 158         movl    $285, %eax
 159         movq    %rsi, %rdx
 160         xorl    %esi, %esi
 161 #APP
 162 # 31 "../sysdeps/unix/sysv/linux/posix_fallocate64.c" 1
 163         syscall
 164
 165 # 0 "" 2
 166 #NO_APP
 167         cmpl    $-4096, %eax
 168         jbe     .L37
 169         cmpl    $-95, %eax
 170         je      .L36
 171         negl    %eax
 172         popq    %rbx
 173         ret
 174         .p2align 4,,10
 175         .p2align 3
 176 .L37:
 177         xorl    %eax, %eax
 178         popq    %rbx
 179         ret
 180         .p2align 4,,10
 181         .p2align 3
 182 .L36:
 183         movq    %rbx, %rdx
 184         movq    %r9, %rsi
 185         popq    %rbx
 186         jmp     internal_fallocate64
 187         .size   __GI___posix_fallocate64_l64, .-__GI___posix_fallocate64_l64
 188         .globl  posix_fallocate64
 189         .set    posix_fallocate64,__GI___posix_fallocate64_l64
 190         .globl  __posix_fallocate64_l64
 191         .set    __posix_fallocate64_l64,__GI___posix_fallocate64_l64
 192         .hidden __libc_pread64
 193         .hidden __libc_pwrite64
 194         .hidden __fstatfs64
 195         .hidden __ftruncate64