inet/gethstbynm.s

   1         .text
   2 #APP
   3         .section __libc_freeres_ptrs, "aw", %nobits
   4         .previous
   5         .section .gnu.warning.gethostbyname
   6         .previous
   7 #NO_APP
   8         .p2align 4,,15
   9         .globl  gethostbyname
  10         .type   gethostbyname, @function
  11 gethostbyname:
  12 .LFB84:
  13         pushq   %r14
  14         pushq   %r13
  15         pushq   %r12
  16         pushq   %rbp
  17         pushq   %rbx
  18         movq    %rdi, %rbx
  19         subq    $16, %rsp
  20         movl    $0, 4(%rsp)
  21         call    __resolv_context_get
  22         testq   %rax, %rax
  23         je      .L31
  24         movq    %rax, %r14
  25 #APP
  26 # 116 "../nss/getXXbyYY.c" 1
  27         movl %fs:24,%eax
  28 # 0 "" 2
  29 #NO_APP
  30         testl   %eax, %eax
  31         jne     .L4
  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 .L5:
  39         cmpq    $0, buffer(%rip)
  40         je      .L6
  41 .L9:
  42         leaq    4(%rsp), %rbp
  43         leaq    buffer_size.12406(%rip), %r8
  44         leaq    buffer(%rip), %rcx
  45         leaq    resbuf.12407(%rip), %rdx
  46         xorl    %r9d, %r9d
  47         movq    %rbx, %rsi
  48         pushq   %rbp
  49         pushq   $2
  50         movq    %r14, %rdi
  51         pushq   $0
  52         leaq    32(%rsp), %r12
  53         pushq   %r12
  54         call    __nss_hostname_digits_dots_context
  55         addq    $32, %rsp
  56         testl   %eax, %eax
  57         jne     .L11
  58         movq    buffer(%rip), %rdx
  59         testq   %rdx, %rdx
  60         je      .L10
  61         leaq    resbuf.12407(%rip), %r13
  62         jmp     .L12
  63         .p2align 4,,10
  64         .p2align 3
  65 .L14:
  66         movq    %rax, buffer(%rip)
  67 .L12:
  68         movq    buffer_size.12406(%rip), %rcx
  69         movq    %rbx, %rdi
  70         movq    %rbp, %r9
  71         movq    %r12, %r8
  72         movq    %r13, %rsi
  73         call    __gethostbyname_r
  74         cmpl    $34, %eax
  75         movq    buffer(%rip), %rdi
  76         jne     .L16
  77         cmpl    $-1, 4(%rsp)
  78         jne     .L16
  79         movq    buffer_size.12406(%rip), %rax
  80         leaq    (%rax,%rax), %rsi
  81         movq    %rsi, buffer_size.12406(%rip)
  82         call    realloc@PLT
  83         testq   %rax, %rax
  84         movq    %rax, %rdx
  85         jne     .L14
  86         movq    buffer(%rip), %rdi
  87         call    free@PLT
  88         movq    __libc_errno@gottpoff(%rip), %rax
  89         movq    $0, buffer(%rip)
  90         movl    $12, %fs:(%rax)
  91 .L10:
  92         movq    $0, 8(%rsp)
  93 .L11:
  94 #APP
  95 # 163 "../nss/getXXbyYY.c" 1
  96         movl %fs:24,%eax
  97 # 0 "" 2
  98 #NO_APP
  99         testl   %eax, %eax
 100         jne     .L18
 101         subl    $1, lock(%rip)
 102 .L19:
 103         movq    %r14, %rdi
 104         call    __resolv_context_put
 105         movl    4(%rsp), %eax
 106         testl   %eax, %eax
 107         jne     .L32
 108 .L20:
 109         movq    8(%rsp), %rax
 110 .L1:
 111         addq    $16, %rsp
 112         popq    %rbx
 113         popq    %rbp
 114         popq    %r12
 115         popq    %r13
 116         popq    %r14
 117         ret
 118         .p2align 4,,10
 119         .p2align 3
 120 .L32:
 121         movq    __libc_h_errno@gottpoff(%rip), %rdx
 122         movl    %eax, %fs:(%rdx)
 123         jmp     .L20
 124         .p2align 4,,10
 125         .p2align 3
 126 .L16:
 127         testq   %rdi, %rdi
 128         jne     .L11
 129         jmp     .L10
 130         .p2align 4,,10
 131         .p2align 3
 132 .L6:
 133         movl    $1024, %edi
 134         movq    $1024, buffer_size.12406(%rip)
 135         call    malloc@PLT
 136         testq   %rax, %rax
 137         movq    %rax, buffer(%rip)
 138         je      .L10
 139         jmp     .L9
 140         .p2align 4,,10
 141         .p2align 3
 142 .L18:
 143         xorl    %eax, %eax
 144 #APP
 145 # 163 "../nss/getXXbyYY.c" 1
 146         xchgl %eax, lock(%rip)
 147 # 0 "" 2
 148 #NO_APP
 149         cmpl    $1, %eax
 150         jle     .L19
 151         xorl    %r10d, %r10d
 152         movl    $1, %edx
 153         movl    $129, %esi
 154         leaq    lock(%rip), %rdi
 155         movl    $202, %eax
 156 #APP
 157 # 163 "../nss/getXXbyYY.c" 1
 158         syscall
 159
 160 # 0 "" 2
 161 #NO_APP
 162         jmp     .L19
 163         .p2align 4,,10
 164         .p2align 3
 165 .L4:
 166         xorl    %eax, %eax
 167         movl    $1, %edx
 168         lock cmpxchgl   %edx, lock(%rip)
 169         je      .L5
 170         leaq    lock(%rip), %rdi
 171         call    __lll_lock_wait_private
 172         jmp     .L5
 173 .L31:
 174         movq    __libc_h_errno@gottpoff(%rip), %rax
 175         movl    $-1, %fs:(%rax)
 176         xorl    %eax, %eax
 177         jmp     .L1
 178 .LFE84:
 179         .size   gethostbyname, .-gethostbyname
 180         .local  resbuf.12407
 181         .comm   resbuf.12407,32,32
 182         .local  buffer_size.12406
 183         .comm   buffer_size.12406,8,8
 184         .section        .gnu.warning.gethostbyname
 185         #,"a",@progbits
 186         .align 32
 187         .type   __evoke_link_warning_gethostbyname, @object
 188         .size   __evoke_link_warning_gethostbyname, 137
 189 __evoke_link_warning_gethostbyname:
 190         .string "Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking"
 191         .section        __libc_freeres_ptrs
 192         #,"aw",@progbits
 193         .align 8
 194         .type   buffer, @object
 195         .size   buffer, 8
 196 buffer:
 197         .zero   8
 198         .local  lock
 199         .comm   lock,4,4
 200         .hidden __lll_lock_wait_private
 201         .hidden __resolv_context_put
 202         .hidden __gethostbyname_r
 203         .hidden __nss_hostname_digits_dots_context
 204         .hidden __resolv_context_get