gshadow/fgetsgent.s

   1         .text
   2 #APP
   3         .section __libc_freeres_ptrs, "aw", %nobits
   4         .previous
   5 #NO_APP
   6         .p2align 4,,15
   7         .globl  fgetsgent
   8         .type   fgetsgent, @function
   9 fgetsgent:
  10 .LFB64:
  11         pushq   %r15
  12         pushq   %r14
  13         pushq   %r13
  14         pushq   %r12
  15         pushq   %rbp
  16         pushq   %rbx
  17         movq    %rdi, %rbx
  18         subq    $56, %rsp
  19         leaq    32(%rsp), %rbp
  20         movq    %rbp, %rsi
  21         call    _IO_new_fgetpos@PLT
  22         testl   %eax, %eax
  23         jne     .L16
  24 #APP
  25 # 47 "fgetsgent.c" 1
  26         movl %fs:24,%edx
  27 # 0 "" 2
  28 #NO_APP
  29         testl   %edx, %edx
  30         jne     .L3
  31         movl    %edx, %eax
  32         movl    $1, %edx
  33 #APP
  34 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  35         cmpxchgl %edx, lock(%rip)
  36 # 0 "" 2
  37 #NO_APP
  38 .L4:
  39         movq    buffer(%rip), %rdx
  40         testq   %rdx, %rdx
  41         je      .L19
  42 .L5:
  43         movq    __libc_errno@gottpoff(%rip), %r13
  44         leaq    24(%rsp), %r12
  45         jmp     .L9
  46         .p2align 4,,10
  47         .p2align 3
  48 .L7:
  49         movq    %rbp, %rsi
  50         movq    %rbx, %rdi
  51         movq    %rax, buffer(%rip)
  52         call    _IO_new_fsetpos@PLT
  53         testl   %eax, %eax
  54         jne     .L8
  55         movq    buffer(%rip), %rdx
  56 .L9:
  57         testq   %rdx, %rdx
  58         je      .L13
  59         movq    buffer_size.8526(%rip), %rcx
  60         leaq    resbuf.8527(%rip), %rsi
  61         movq    %r12, %r8
  62         movq    %rbx, %rdi
  63         call    __fgetsgent_r
  64         cmpl    $34, %eax
  65         jne     .L20
  66         movq    buffer_size.8526(%rip), %rax
  67         movq    buffer(%rip), %r14
  68         leaq    1024(%rax), %rsi
  69         movq    %r14, %rdi
  70         movq    %rsi, buffer_size.8526(%rip)
  71         call    realloc@PLT
  72         testq   %rax, %rax
  73         jne     .L7
  74         movl    %fs:0(%r13), %r15d
  75         movq    %r14, %rdi
  76         movq    %rax, 8(%rsp)
  77         call    free@PLT
  78         movq    8(%rsp), %rax
  79         movl    %r15d, %fs:0(%r13)
  80         jmp     .L7
  81         .p2align 4,,10
  82         .p2align 3
  83 .L8:
  84         movq    $0, buffer(%rip)
  85 .L13:
  86         movq    $0, 24(%rsp)
  87 .L11:
  88         movl    %fs:0(%r13), %r8d
  89 #APP
  90 # 83 "fgetsgent.c" 1
  91         movl %fs:24,%eax
  92 # 0 "" 2
  93 #NO_APP
  94         testl   %eax, %eax
  95         jne     .L14
  96         subl    $1, lock(%rip)
  97 .L15:
  98         movq    24(%rsp), %rax
  99         movl    %r8d, %fs:0(%r13)
 100 .L1:
 101         addq    $56, %rsp
 102         popq    %rbx
 103         popq    %rbp
 104         popq    %r12
 105         popq    %r13
 106         popq    %r14
 107         popq    %r15
 108         ret
 109         .p2align 4,,10
 110         .p2align 3
 111 .L20:
 112         cmpq    $0, buffer(%rip)
 113         jne     .L11
 114         jmp     .L13
 115         .p2align 4,,10
 116         .p2align 3
 117 .L19:
 118         movl    $1024, %edi
 119         movq    $1024, buffer_size.8526(%rip)
 120         call    malloc@PLT
 121         movq    %rax, %rdx
 122         movq    %rax, buffer(%rip)
 123         jmp     .L5
 124 .L14:
 125         xorl    %eax, %eax
 126 #APP
 127 # 83 "fgetsgent.c" 1
 128         xchgl %eax, lock(%rip)
 129 # 0 "" 2
 130 #NO_APP
 131         cmpl    $1, %eax
 132         jle     .L15
 133         xorl    %r10d, %r10d
 134         movl    $1, %edx
 135         movl    $129, %esi
 136         leaq    lock(%rip), %rdi
 137         movl    $202, %eax
 138 #APP
 139 # 83 "fgetsgent.c" 1
 140         syscall
 141
 142 # 0 "" 2
 143 #NO_APP
 144         jmp     .L15
 145 .L3:
 146         movl    $1, %edx
 147         lock cmpxchgl   %edx, lock(%rip)
 148         je      .L4
 149         leaq    lock(%rip), %rdi
 150         call    __lll_lock_wait_private
 151         jmp     .L4
 152 .L16:
 153         xorl    %eax, %eax
 154         jmp     .L1
 155 .LFE64:
 156         .size   fgetsgent, .-fgetsgent
 157         .local  resbuf.8527
 158         .comm   resbuf.8527,32,32
 159         .local  buffer_size.8526
 160         .comm   buffer_size.8526,8,8
 161         .section        __libc_freeres_ptrs
 162         #,"aw",@progbits
 163         .align 8
 164         .type   buffer, @object
 165         .size   buffer, 8
 166 buffer:
 167         .zero   8
 168         .local  lock
 169         .comm   lock,4,4
 170         .hidden __lll_lock_wait_private
 171         .hidden __fgetsgent_r