libio/iofwrite.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_fwrite
   4         .hidden _IO_fwrite
   5         .type   _IO_fwrite, @function
   6 _IO_fwrite:
   7 .LFB68:
   8         pushq   %r15
   9         pushq   %r14
  10         pushq   %r13
  11         pushq   %r12
  12         pushq   %rbp
  13         movq    %rsi, %rbp
  14         pushq   %rbx
  15         imulq   %rdx, %rbp
  16         subq    $8, %rsp
  17         testq   %rbp, %rbp
  18         je      .L1
  19         movq    %rdx, %r13
  20         movl    (%rcx), %edx
  21         movq    %rcx, %rbx
  22         movq    %rsi, %r12
  23         movq    %rdi, %r14
  24         andl    $32768, %edx
  25         jne     .L3
  26         movq    136(%rcx), %rdi
  27         movq    %fs:16, %r15
  28         cmpq    %r15, 8(%rdi)
  29         je      .L4
  30 #APP
  31 # 37 "iofwrite.c" 1
  32         movl %fs:24,%eax
  33 # 0 "" 2
  34 #NO_APP
  35         testl   %eax, %eax
  36         jne     .L5
  37         movl    $1, %edx
  38 #APP
  39 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  40         cmpxchgl %edx, (%rdi)
  41 # 0 "" 2
  42 #NO_APP
  43 .L6:
  44         movq    136(%rbx), %rdi
  45         movq    %r15, 8(%rdi)
  46 .L4:
  47         addl    $1, 4(%rdi)
  48 .L3:
  49         movl    192(%rbx), %eax
  50         testl   %eax, %eax
  51         jne     .L9
  52         movl    $-1, 192(%rbx)
  53 .L10:
  54         movq    216(%rbx), %r15
  55         movq    __start___libc_IO_vtables@GOTPCREL(%rip), %rdx
  56         movq    __stop___libc_IO_vtables@GOTPCREL(%rip), %rax
  57         movq    %r15, %rcx
  58         subq    %rdx, %rax
  59         subq    %rdx, %rcx
  60         cmpq    %rcx, %rax
  61         jbe     .L12
  62 .L14:
  63         movq    %rbp, %rdx
  64         movq    %r14, %rsi
  65         movq    %rbx, %rdi
  66 .LEHB0:
  67         call    *56(%r15)
  68         cmpq    $-1, %rax
  69         movq    %rax, %r8
  70         sete    %r9b
  71         testl   $32768, (%rbx)
  72         jne     .L15
  73         movq    136(%rbx), %rdi
  74         subl    $1, 4(%rdi)
  75         jne     .L15
  76         jmp     .L22
  77         .p2align 4,,10
  78         .p2align 3
  79 .L9:
  80         cmpl    $-1, %eax
  81         je      .L10
  82         testl   $32768, (%rbx)
  83         jne     .L23
  84         movq    136(%rbx), %rdi
  85         subl    $1, 4(%rdi)
  86         jne     .L23
  87         xorl    %r9d, %r9d
  88         xorl    %r8d, %r8d
  89 .L22:
  90         movq    $0, 8(%rdi)
  91 #APP
  92 # 885 "libioP.h" 1
  93         movl %fs:24,%eax
  94 # 0 "" 2
  95 #NO_APP
  96         testl   %eax, %eax
  97         jne     .L16
  98         subl    $1, (%rdi)
  99 .L15:
 100         cmpq    %r8, %rbp
 101         je      .L24
 102         testb   %r9b, %r9b
 103         je      .L33
 104 .L24:
 105         movq    %r13, %rbp
 106 .L1:
 107         addq    $8, %rsp
 108         movq    %rbp, %rax
 109         popq    %rbx
 110         popq    %rbp
 111         popq    %r12
 112         popq    %r13
 113         popq    %r14
 114         popq    %r15
 115         ret
 116         .p2align 4,,10
 117         .p2align 3
 118 .L23:
 119         xorl    %ebp, %ebp
 120         jmp     .L1
 121         .p2align 4,,10
 122         .p2align 3
 123 .L12:
 124         call    _IO_vtable_check
 125         jmp     .L14
 126         .p2align 4,,10
 127         .p2align 3
 128 .L33:
 129         movq    %r8, %rax
 130         xorl    %edx, %edx
 131         divq    %r12
 132         movq    %rax, %rbp
 133         jmp     .L1
 134         .p2align 4,,10
 135         .p2align 3
 136 .L5:
 137         movl    $1, %ecx
 138         movl    %edx, %eax
 139         lock cmpxchgl   %ecx, (%rdi)
 140         je      .L6
 141         call    __lll_lock_wait_private
 142 .LEHE0:
 143         jmp     .L6
 144         .p2align 4,,10
 145         .p2align 3
 146 .L16:
 147         xorl    %eax, %eax
 148 #APP
 149 # 885 "libioP.h" 1
 150         xchgl %eax, (%rdi)
 151 # 0 "" 2
 152 #NO_APP
 153         cmpl    $1, %eax
 154         jle     .L15
 155         xorl    %r10d, %r10d
 156         movl    $1, %edx
 157         movl    $129, %esi
 158         movl    $202, %eax
 159 #APP
 160 # 885 "libioP.h" 1
 161         syscall
 162
 163 # 0 "" 2
 164 #NO_APP
 165         jmp     .L15
 166 .L26:
 167         testl   $32768, (%rbx)
 168         movq    %rax, %r8
 169         jne     .L18
 170         movq    136(%rbx), %rdi
 171         movl    4(%rdi), %eax
 172         subl    $1, %eax
 173         testl   %eax, %eax
 174         movl    %eax, 4(%rdi)
 175         jne     .L18
 176         movq    $0, 8(%rdi)
 177 #APP
 178 # 885 "libioP.h" 1
 179         movl %fs:24,%edx
 180 # 0 "" 2
 181 #NO_APP
 182         testl   %edx, %edx
 183         jne     .L19
 184         subl    $1, (%rdi)
 185 .L18:
 186         movq    %r8, %rdi
 187 .LEHB1:
 188         call    _Unwind_Resume@PLT
 189 .LEHE1:
 190 .L19:
 191 #APP
 192 # 885 "libioP.h" 1
 193         xchgl %eax, (%rdi)
 194 # 0 "" 2
 195 #NO_APP
 196         subl    $1, %eax
 197         jle     .L18
 198         xorl    %r10d, %r10d
 199         movl    $1, %edx
 200         movl    $129, %esi
 201         movl    $202, %eax
 202 #APP
 203 # 885 "libioP.h" 1
 204         syscall
 205
 206 # 0 "" 2
 207 #NO_APP
 208         jmp     .L18
 209 .LFE68:
 210         .globl  __gcc_personality_v0
 211         .section        .gcc_except_table,"a",@progbits
 212 .LLSDA68:
 213         .byte   0xff
 214         .byte   0xff
 215         .byte   0x1
 216         .uleb128 .LLSDACSE68-.LLSDACSB68
 217 .LLSDACSB68:
 218         .uleb128 .LEHB0-.LFB68
 219         .uleb128 .LEHE0-.LEHB0
 220         .uleb128 .L26-.LFB68
 221         .uleb128 0
 222         .uleb128 .LEHB1-.LFB68
 223         .uleb128 .LEHE1-.LEHB1
 224         .uleb128 0
 225         .uleb128 0
 226 .LLSDACSE68:
 227         .text
 228         .size   _IO_fwrite, .-_IO_fwrite
 229         .weak   fwrite
 230         .hidden fwrite
 231         .set    fwrite,_IO_fwrite
 232         .weak   __stop___libc_IO_vtables
 233         .weak   __start___libc_IO_vtables
 234         .hidden DW.ref.__gcc_personality_v0
 235         .weak   DW.ref.__gcc_personality_v0
 236         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 237         .align 8
 238         .type   DW.ref.__gcc_personality_v0, @object
 239         .size   DW.ref.__gcc_personality_v0, 8
 240 DW.ref.__gcc_personality_v0:
 241         .quad   __gcc_personality_v0
 242         .hidden __lll_lock_wait_private
 243         .hidden _IO_vtable_check