dirent/readdir64_r.s

   1         .text
   2         .p2align 4,,15
   3         .globl  __readdir64_r
   4         .type   __readdir64_r, @function
   5 __readdir64_r:
   6         pushq   %r15
   7         pushq   %r14
   8         pushq   %r13
   9         pushq   %r12
  10         movq    %rdx, %r13
  11         pushq   %rbp
  12         pushq   %rbx
  13         movq    %rdi, %r12
  14         movq    %rsi, %rbp
  15         subq    $24, %rsp
  16         movq    __libc_errno@gottpoff(%rip), %rax
  17         movl    %fs:(%rax), %eax
  18         movl    %eax, 4(%rsp)
  19 #APP
  20 # 38 "../sysdeps/unix/sysv/linux/readdir64_r.c" 1
  21         movl %fs:24,%eax
  22 # 0 "" 2
  23 #NO_APP
  24         leaq    4(%rdi), %rbx
  25         testl   %eax, %eax
  26         movq    %rbx, 8(%rsp)
  27         jne     .L2
  28         movl    $1, %edx
  29 #APP
  30 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  31         cmpxchgl %edx, 4(%rdi)
  32 # 0 "" 2
  33 #NO_APP
  34 .L3:
  35         movq    24(%r12), %r14
  36         leaq    48(%r12), %rbx
  37         .p2align 4,,10
  38         .p2align 3
  39 .L4:
  40         cmpq    %r14, 16(%r12)
  41         leaq    48(%r14), %rsi
  42         jbe     .L30
  43 .L6:
  44         leaq    (%r12,%rsi), %r15
  45         movzwl  16(%r15), %eax
  46         movq    8(%r15), %rdx
  47         movq    %rdx, 32(%r12)
  48         addq    %rax, %r14
  49         cmpq    $275, %rax
  50         movq    %r14, 24(%r12)
  51         jbe     .L12
  52         leaq    19(%r15), %rdi
  53         call    strlen
  54         cmpq    $255, %rax
  55         ja      .L13
  56         addq    $20, %rax
  57 .L12:
  58         cmpq    $0, (%r15)
  59         je      .L4
  60         cmpl    $8, %eax
  61         movl    %eax, %ecx
  62         jb      .L31
  63         movq    (%r15), %rdx
  64         leaq    8(%rbp), %rdi
  65         movq    %r15, %rsi
  66         andq    $-8, %rdi
  67         movq    %rdx, 0(%rbp)
  68         movl    %eax, %edx
  69         movq    -8(%r15,%rdx), %rcx
  70         movq    %rcx, -8(%rbp,%rdx)
  71         movq    %rbp, %rcx
  72         subq    %rdi, %rcx
  73         subq    %rcx, %rsi
  74         addl    %eax, %ecx
  75         shrl    $3, %ecx
  76         rep movsq
  77 .L16:
  78         movq    %rbp, 0(%r13)
  79         xorl    %r9d, %r9d
  80         movw    %ax, 16(%rbp)
  81 .L11:
  82 #APP
  83 # 115 "../sysdeps/unix/sysv/linux/readdir64_r.c" 1
  84         movl %fs:24,%eax
  85 # 0 "" 2
  86 #NO_APP
  87         testl   %eax, %eax
  88         jne     .L19
  89         subl    $1, 4(%r12)
  90 .L1:
  91         addq    $24, %rsp
  92         movl    %r9d, %eax
  93         popq    %rbx
  94         popq    %rbp
  95         popq    %r12
  96         popq    %r13
  97         popq    %r14
  98         popq    %r15
  99         ret
 100         .p2align 4,,10
 101         .p2align 3
 102 .L30:
 103         movq    8(%r12), %rdx
 104         movl    (%r12), %edi
 105         movq    %rbx, %rsi
 106         call    __getdents64
 107         cmpq    $0, %rax
 108         jle     .L32
 109         movq    %rax, 16(%r12)
 110         movl    $48, %esi
 111         xorl    %r14d, %r14d
 112         jmp     .L6
 113         .p2align 4,,10
 114         .p2align 3
 115 .L13:
 116         movl    $36, 40(%r12)
 117         movq    $0, (%r15)
 118         jmp     .L4
 119         .p2align 4,,10
 120         .p2align 3
 121 .L31:
 122         testb   $4, %al
 123         jne     .L33
 124         testl   %ecx, %ecx
 125         je      .L16
 126         movzbl  (%r15), %edx
 127         testb   $2, %cl
 128         movb    %dl, 0(%rbp)
 129         je      .L16
 130         movzwl  -2(%r15,%rcx), %edx
 131         movw    %dx, -2(%rbp,%rcx)
 132         jmp     .L16
 133         .p2align 4,,10
 134         .p2align 3
 135 .L32:
 136         jne     .L8
 137 .L28:
 138         movl    40(%r12), %r9d
 139 .L9:
 140         movq    $0, 0(%r13)
 141         jmp     .L11
 142 .L8:
 143         movq    __libc_errno@gottpoff(%rip), %rax
 144         movl    %fs:(%rax), %r9d
 145         cmpl    $2, %r9d
 146         je      .L34
 147         movl    %r9d, 40(%r12)
 148         jmp     .L9
 149 .L19:
 150         xorl    %eax, %eax
 151 #APP
 152 # 115 "../sysdeps/unix/sysv/linux/readdir64_r.c" 1
 153         xchgl %eax, 4(%r12)
 154 # 0 "" 2
 155 #NO_APP
 156         cmpl    $1, %eax
 157         jle     .L1
 158         xorl    %r10d, %r10d
 159         movl    $1, %edx
 160         movl    $129, %esi
 161         movq    8(%rsp), %rdi
 162         movl    $202, %eax
 163 #APP
 164 # 115 "../sysdeps/unix/sysv/linux/readdir64_r.c" 1
 165         syscall
 166
 167 # 0 "" 2
 168 #NO_APP
 169         jmp     .L1
 170 .L2:
 171         leaq    4(%rdi), %rbx
 172         xorl    %eax, %eax
 173         movl    $1, %edx
 174         lock cmpxchgl   %edx, (%rbx)
 175         je      .L3
 176         movq    %rbx, %rdi
 177         call    __lll_lock_wait_private
 178         jmp     .L3
 179 .L33:
 180         movl    (%r15), %edx
 181         movl    %edx, 0(%rbp)
 182         movl    -4(%r15,%rcx), %edx
 183         movl    %edx, -4(%rbp,%rcx)
 184         jmp     .L16
 185 .L34:
 186         movl    4(%rsp), %ebx
 187         movl    %ebx, %fs:(%rax)
 188         jmp     .L28
 189         .size   __readdir64_r, .-__readdir64_r
 190         .weak   readdir64_r
 191         .set    readdir64_r,__readdir64_r
 192         .weak   readdir_r
 193         .set    readdir_r,__readdir64_r
 194         .globl  __readdir_r
 195         .set    __readdir_r,__readdir64_r
 196         .hidden __lll_lock_wait_private
 197         .hidden __getdents64
 198         .hidden strlen