shadow/lckpwdf.s

   1         .text
   2         .p2align 4,,15
   3         .type   noop_handler, @function
   4 noop_handler:
   5         rep ret
   6         .size   noop_handler, .-noop_handler
   7         .section        .rodata.str1.1,"aMS",@progbits,1
   8 .LC0:
   9         .string "/etc/.pwd.lock"
  10         .text
  11         .p2align 4,,15
  12         .globl  __lckpwdf
  13         .type   __lckpwdf, @function
  14 __lckpwdf:
  15         pushq   %r14
  16         pushq   %r13
  17         pushq   %r12
  18         pushq   %rbp
  19         pushq   %rbx
  20         subq    $608, %rsp
  21         movl    lock_fd(%rip), %ebp
  22         cmpl    $-1, %ebp
  23         jne     .L10
  24 #APP
  25 # 98 "lckpwdf.c" 1
  26         movl %fs:24,%eax
  27 # 0 "" 2
  28 #NO_APP
  29         testl   %eax, %eax
  30         jne     .L6
  31         movl    $1, %edx
  32 #APP
  33 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  34         cmpxchgl %edx, lock(%rip)
  35 # 0 "" 2
  36 #NO_APP
  37 .L7:
  38         leaq    .LC0(%rip), %rdi
  39         xorl    %eax, %eax
  40         movl    $384, %edx
  41         movl    $524353, %esi
  42         call    __open
  43         cmpl    $-1, %eax
  44         movl    %eax, %ebx
  45         movl    %eax, lock_fd(%rip)
  46         jne     .L8
  47 #APP
  48 # 104 "lckpwdf.c" 1
  49         movl %fs:24,%eax
  50 # 0 "" 2
  51 #NO_APP
  52         testl   %eax, %eax
  53         jne     .L9
  54 .L20:
  55         subl    $1, lock(%rip)
  56 .L3:
  57         addq    $608, %rsp
  58         movl    %ebx, %eax
  59         popq    %rbx
  60         popq    %rbp
  61         popq    %r12
  62         popq    %r13
  63         popq    %r14
  64         ret
  65         .p2align 4,,10
  66         .p2align 3
  67 .L8:
  68         leaq    448(%rsp), %rsi
  69         xorl    %eax, %eax
  70         movl    $17, %ecx
  71         leaq    288(%rsp), %r12
  72         movq    $-1, %r13
  73         leaq    16(%rsi), %rdx
  74         movq    %r13, 456(%rsp)
  75         movq    %rdx, %rdi
  76         movq    %r12, %rdx
  77         rep stosq
  78         leaq    noop_handler(%rip), %rax
  79         movl    $14, %edi
  80         movq    %rax, 448(%rsp)
  81         call    __sigaction
  82         testl   %eax, %eax
  83         jns     .L11
  84 .L28:
  85         movl    lock_fd(%rip), %edi
  86         testl   %edi, %edi
  87         jns     .L29
  88 .L15:
  89 #APP
  90 # 128 "lckpwdf.c" 1
  91         movl %fs:24,%eax
  92 # 0 "" 2
  93 #NO_APP
  94         testl   %eax, %eax
  95         jne     .L16
  96         subl    $1, lock(%rip)
  97         movl    %ebp, %ebx
  98         jmp     .L3
  99         .p2align 4,,10
 100         .p2align 3
 101 .L11:
 102         leaq    32(%rsp), %r14
 103         leaq    160(%rsp), %rsi
 104         movl    $1, %edi
 105         movq    $8192, 160(%rsp)
 106         movq    %r14, %rdx
 107         call    __sigprocmask
 108         testl   %eax, %eax
 109         js      .L30
 110         movl    $15, %edi
 111         call    alarm
 112         pxor    %xmm0, %xmm0
 113         movl    lock_fd(%rip), %edi
 114         movq    %rsp, %rdx
 115         xorl    %eax, %eax
 116         movl    $1, %ecx
 117         movl    $7, %esi
 118         movw    %cx, (%rsp)
 119         movups  %xmm0, 2(%rsp)
 120         movw    %ax, 30(%rdx)
 121         movq    $0, 18(%rdx)
 122         xorl    %eax, %eax
 123         movl    $0, 26(%rdx)
 124         call    __fcntl
 125         xorl    %edi, %edi
 126         movl    %eax, %ebx
 127         call    alarm
 128         xorl    %edx, %edx
 129         movq    %r14, %rsi
 130         movl    $2, %edi
 131         call    __sigprocmask
 132         xorl    %edx, %edx
 133         movq    %r12, %rsi
 134         movl    $14, %edi
 135         call    __sigaction
 136         testl   %ebx, %ebx
 137         js      .L31
 138 .L17:
 139 #APP
 140 # 140 "lckpwdf.c" 1
 141         movl %fs:24,%eax
 142 # 0 "" 2
 143 #NO_APP
 144         testl   %eax, %eax
 145         je      .L20
 146         xorl    %eax, %eax
 147 #APP
 148 # 140 "lckpwdf.c" 1
 149         xchgl %eax, lock(%rip)
 150 # 0 "" 2
 151 #NO_APP
 152         cmpl    $1, %eax
 153         jle     .L3
 154 .L21:
 155         xorl    %r10d, %r10d
 156         movl    $1, %edx
 157         movl    $129, %esi
 158         leaq    lock(%rip), %rdi
 159         movl    $202, %eax
 160 #APP
 161 # 140 "lckpwdf.c" 1
 162         syscall
 163
 164 # 0 "" 2
 165 #NO_APP
 166         jmp     .L3
 167         .p2align 4,,10
 168         .p2align 3
 169 .L29:
 170         call    __close
 171         movl    %r13d, lock_fd(%rip)
 172         jmp     .L15
 173         .p2align 4,,10
 174         .p2align 3
 175 .L30:
 176         xorl    %edx, %edx
 177         movq    %r12, %rsi
 178         movl    $14, %edi
 179         call    __sigaction
 180         jmp     .L28
 181         .p2align 4,,10
 182         .p2align 3
 183 .L9:
 184         xorl    %eax, %eax
 185 #APP
 186 # 104 "lckpwdf.c" 1
 187         xchgl %eax, lock(%rip)
 188 # 0 "" 2
 189 #NO_APP
 190         cmpl    $1, %eax
 191         jg      .L21
 192 .L10:
 193         movl    $-1, %ebx
 194         jmp     .L3
 195         .p2align 4,,10
 196         .p2align 3
 197 .L6:
 198         xorl    %eax, %eax
 199         movl    $1, %edx
 200         lock cmpxchgl   %edx, lock(%rip)
 201         je      .L7
 202         leaq    lock(%rip), %rdi
 203         call    __lll_lock_wait_private
 204         jmp     .L7
 205         .p2align 4,,10
 206         .p2align 3
 207 .L31:
 208         movl    lock_fd(%rip), %edi
 209         testl   %edi, %edi
 210         js      .L17
 211         call    __close
 212         movl    %r13d, lock_fd(%rip)
 213         jmp     .L17
 214         .p2align 4,,10
 215         .p2align 3
 216 .L16:
 217         xorl    %eax, %eax
 218 #APP
 219 # 128 "lckpwdf.c" 1
 220         xchgl %eax, lock(%rip)
 221 # 0 "" 2
 222 #NO_APP
 223         cmpl    $1, %eax
 224         jle     .L10
 225         xorl    %r10d, %r10d
 226         movl    $1, %edx
 227         movl    $129, %esi
 228         leaq    lock(%rip), %rdi
 229         movl    $202, %eax
 230 #APP
 231 # 128 "lckpwdf.c" 1
 232         syscall
 233
 234 # 0 "" 2
 235 #NO_APP
 236         movl    %ebp, %ebx
 237         jmp     .L3
 238         .size   __lckpwdf, .-__lckpwdf
 239         .weak   lckpwdf
 240         .set    lckpwdf,__lckpwdf
 241         .p2align 4,,15
 242         .globl  __ulckpwdf
 243         .type   __ulckpwdf, @function
 244 __ulckpwdf:
 245         movl    lock_fd(%rip), %r8d
 246         cmpl    $-1, %r8d
 247         je      .L41
 248         subq    $8, %rsp
 249 #APP
 250 # 156 "lckpwdf.c" 1
 251         movl %fs:24,%eax
 252 # 0 "" 2
 253 #NO_APP
 254         testl   %eax, %eax
 255         jne     .L34
 256         movl    $1, %edx
 257 #APP
 258 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
 259         cmpxchgl %edx, lock(%rip)
 260 # 0 "" 2
 261 #NO_APP
 262 .L35:
 263         movl    lock_fd(%rip), %edi
 264         call    __close
 265         movl    $-1, lock_fd(%rip)
 266         movl    %eax, %r8d
 267 #APP
 268 # 164 "lckpwdf.c" 1
 269         movl %fs:24,%eax
 270 # 0 "" 2
 271 #NO_APP
 272         testl   %eax, %eax
 273         jne     .L36
 274         subl    $1, lock(%rip)
 275 .L32:
 276         movl    %r8d, %eax
 277         addq    $8, %rsp
 278         ret
 279         .p2align 4,,10
 280         .p2align 3
 281 .L34:
 282         xorl    %eax, %eax
 283         movl    $1, %edx
 284         lock cmpxchgl   %edx, lock(%rip)
 285         je      .L35
 286         leaq    lock(%rip), %rdi
 287         call    __lll_lock_wait_private
 288         jmp     .L35
 289         .p2align 4,,10
 290         .p2align 3
 291 .L36:
 292         xorl    %eax, %eax
 293 #APP
 294 # 164 "lckpwdf.c" 1
 295         xchgl %eax, lock(%rip)
 296 # 0 "" 2
 297 #NO_APP
 298         cmpl    $1, %eax
 299         jle     .L32
 300         xorl    %r10d, %r10d
 301         movl    $1, %edx
 302         movl    $129, %esi
 303         leaq    lock(%rip), %rdi
 304         movl    $202, %eax
 305 #APP
 306 # 164 "lckpwdf.c" 1
 307         syscall
 308
 309 # 0 "" 2
 310 #NO_APP
 311         jmp     .L32
 312         .p2align 4,,10
 313         .p2align 3
 314 .L41:
 315         movl    %r8d, %eax
 316         ret
 317         .size   __ulckpwdf, .-__ulckpwdf
 318         .weak   ulckpwdf
 319         .set    ulckpwdf,__ulckpwdf
 320         .local  lock
 321         .comm   lock,4,4
 322         .data
 323         .align 4
 324         .type   lock_fd, @object
 325         .size   lock_fd, 4
 326 lock_fd:
 327         .long   -1
 328         .hidden __lll_lock_wait_private
 329         .hidden __close
 330         .hidden __fcntl
 331         .hidden alarm
 332         .hidden __sigprocmask
 333         .hidden __sigaction
 334         .hidden __open