login/utmp_file.s

   1         .text
   2         .p2align 4,,15
   3         .type   timeout_handler, @function
   4 timeout_handler:
   5         rep ret
   6         .size   timeout_handler, .-timeout_handler
   7         .p2align 4,,15
   8         .type   try_file_lock, @function
   9 try_file_lock:
  10         pushq   %r14
  11         pushq   %r13
  12         pushq   %r12
  13         pushq   %rbp
  14         movl    %esi, %ebp
  15         pushq   %rbx
  16         movl    %edi, %ebx
  17         xorl    %edi, %edi
  18         subq    $352, %rsp
  19         leaq    32(%rsp), %r12
  20         call    alarm
  21         leaq    192(%rsp), %rsi
  22         movl    %eax, %r13d
  23         leaq    timeout_handler(%rip), %rax
  24         movq    %r12, %rdx
  25         movl    $14, %edi
  26         movq    $0, 200(%rsp)
  27         movq    %rax, 192(%rsp)
  28         movl    $0, 328(%rsp)
  29         call    __sigaction
  30         movl    $10, %edi
  31         call    alarm
  32         pxor    %xmm0, %xmm0
  33         xorl    %eax, %eax
  34         movq    %rsp, %rdx
  35         movl    $7, %esi
  36         movl    %ebx, %edi
  37         movw    %ax, 30(%rsp)
  38         xorl    %eax, %eax
  39         movw    %bp, (%rsp)
  40         movups  %xmm0, 2(%rsp)
  41         movq    $0, 18(%rsp)
  42         movl    $0, 26(%rsp)
  43         call    __fcntl64_nocancel
  44         xorl    %edi, %edi
  45         shrl    $31, %eax
  46         movq    __libc_errno@gottpoff(%rip), %rbp
  47         movl    %eax, %ebx
  48         movl    %fs:0(%rbp), %r14d
  49         call    alarm
  50         xorl    %edx, %edx
  51         movq    %r12, %rsi
  52         movl    $14, %edi
  53         call    __sigaction
  54         testl   %r13d, %r13d
  55         je      .L4
  56         movl    %r13d, %edi
  57         call    alarm
  58 .L4:
  59         movl    %r14d, %fs:0(%rbp)
  60         addq    $352, %rsp
  61         movl    %ebx, %eax
  62         popq    %rbx
  63         popq    %rbp
  64         popq    %r12
  65         popq    %r13
  66         popq    %r14
  67         ret
  68         .size   try_file_lock, .-try_file_lock
  69         .p2align 4,,15
  70         .type   read_last_entry, @function
  71 read_last_entry:
  72         pushq   %rbx
  73         movl    $384, %edx
  74         subq    $384, %rsp
  75         movq    file_offset(%rip), %rcx
  76         movl    file_fd(%rip), %edi
  77         movq    %rsp, %rbx
  78         movq    %rbx, %rsi
  79         call    __pread64_nocancel
  80         testq   %rax, %rax
  81         js      .L11
  82         movq    %rax, %rdx
  83         xorl    %eax, %eax
  84         cmpq    $384, %rdx
  85         jne     .L9
  86         leaq    last_entry(%rip), %rdi
  87         movl    $48, %ecx
  88         movq    %rbx, %rsi
  89         rep movsq
  90         addq    $384, file_offset(%rip)
  91         movl    $1, %eax
  92 .L9:
  93         addq    $384, %rsp
  94         popq    %rbx
  95         ret
  96         .p2align 4,,10
  97         .p2align 3
  98 .L11:
  99         movq    $-1, %rax
 100         jmp     .L9
 101         .size   read_last_entry, .-read_last_entry
 102         .p2align 4,,15
 103         .type   matches_last_entry, @function
 104 matches_last_entry:
 105         xorl    %eax, %eax
 106         cmpq    $0, file_offset(%rip)
 107         jle     .L23
 108         movzwl  (%rdi), %edx
 109         movzwl  last_entry(%rip), %ecx
 110         leal    -1(%rdx), %esi
 111         cmpw    $3, %si
 112         ja      .L16
 113         cmpw    %cx, %dx
 114         sete    %al
 115         ret
 116         .p2align 4,,10
 117         .p2align 3
 118 .L16:
 119         subl    $5, %ecx
 120         cmpw    $3, %cx
 121         ja      .L23
 122         subl    $5, %edx
 123         cmpw    $3, %dx
 124         ja      .L23
 125         subq    $8, %rsp
 126         cmpb    $0, 40+last_entry(%rip)
 127         je      .L18
 128         cmpb    $0, 40(%rdi)
 129         je      .L18
 130         leaq    40(%rdi), %rsi
 131         leaq    40+last_entry(%rip), %rdi
 132         movl    $4, %edx
 133         call    strncmp
 134         testl   %eax, %eax
 135         sete    %al
 136         jmp     .L14
 137         .p2align 4,,10
 138         .p2align 3
 139 .L23:
 140         rep ret
 141         .p2align 4,,10
 142         .p2align 3
 143 .L18:
 144         leaq    8(%rdi), %rsi
 145         leaq    8+last_entry(%rip), %rdi
 146         movl    $32, %edx
 147         call    strncmp
 148         testl   %eax, %eax
 149         sete    %al
 150 .L14:
 151         addq    $8, %rsp
 152         ret
 153         .size   matches_last_entry, .-matches_last_entry
 154         .p2align 4,,15
 155         .type   internal_getut_nolock, @function
 156 internal_getut_nolock:
 157         pushq   %rbx
 158         movq    %rdi, %rbx
 159         jmp     .L29
 160         .p2align 4,,10
 161         .p2align 3
 162 .L36:
 163         je      .L34
 164         movq    %rbx, %rdi
 165         call    matches_last_entry
 166         testb   %al, %al
 167         jne     .L35
 168 .L29:
 169         call    read_last_entry
 170         testq   %rax, %rax
 171         jns     .L36
 172         movl    $-1, %eax
 173         popq    %rbx
 174         ret
 175         .p2align 4,,10
 176         .p2align 3
 177 .L34:
 178         movq    __libc_errno@gottpoff(%rip), %rax
 179         movl    $3, %fs:(%rax)
 180         movl    $-1, %eax
 181         popq    %rbx
 182         ret
 183         .p2align 4,,10
 184         .p2align 3
 185 .L35:
 186         xorl    %eax, %eax
 187         popq    %rbx
 188         ret
 189         .size   internal_getut_nolock, .-internal_getut_nolock
 190         .section        .rodata.str1.1,"aMS",@progbits,1
 191 .LC0:
 192         .string "/var/log/wtmpx"
 193 .LC1:
 194         .string "/var/run/utmpx"
 195 .LC2:
 196         .string "/var/run/utmp"
 197 .LC3:
 198         .string "/var/log/wtmp"
 199         .text
 200         .p2align 4,,15
 201         .globl  __libc_setutent
 202         .hidden __libc_setutent
 203         .type   __libc_setutent, @function
 204 __libc_setutent:
 205         subq    $8, %rsp
 206         movl    file_fd(%rip), %edi
 207         testl   %edi, %edi
 208         jns     .L38
 209         movq    __libc_utmp_file_name(%rip), %rdx
 210         leaq    .LC2(%rip), %rdi
 211         movl    $14, %ecx
 212         movq    %rdx, %rsi
 213         repz cmpsb
 214         je      .L54
 215 .L39:
 216         leaq    .LC3(%rip), %rdi
 217         movl    $14, %ecx
 218         movq    %rdx, %rsi
 219         repz cmpsb
 220         je      .L55
 221 .L41:
 222         leaq    .LC1(%rip), %rax
 223         movl    $15, %ecx
 224         movq    %rdx, %rsi
 225         movq    %rax, %rdi
 226         repz cmpsb
 227         je      .L56
 228 .L42:
 229         leaq    .LC0(%rip), %rax
 230         movl    $15, %ecx
 231         movq    %rdx, %rsi
 232         movq    %rax, %rdi
 233         repz cmpsb
 234         je      .L57
 235 .L40:
 236         movq    %rdx, %rdi
 237         xorl    %eax, %eax
 238         movl    $524288, %esi
 239         movb    $0, file_writable(%rip)
 240         call    __open_nocancel
 241         movl    %eax, %edi
 242         movl    %eax, file_fd(%rip)
 243         xorl    %eax, %eax
 244         cmpl    $-1, %edi
 245         je      .L37
 246 .L38:
 247         xorl    %edx, %edx
 248         xorl    %esi, %esi
 249         call    __lseek64
 250         movq    $0, file_offset(%rip)
 251         movl    $1, %eax
 252 .L37:
 253         addq    $8, %rsp
 254         ret
 255         .p2align 4,,10
 256         .p2align 3
 257 .L54:
 258         leaq    .LC1(%rip), %rdi
 259         xorl    %esi, %esi
 260         call    __access
 261         testl   %eax, %eax
 262         leaq    .LC1(%rip), %rdx
 263         je      .L40
 264         movq    __libc_utmp_file_name(%rip), %rdx
 265         jmp     .L39
 266         .p2align 4,,10
 267         .p2align 3
 268 .L55:
 269         leaq    .LC0(%rip), %rdi
 270         xorl    %esi, %esi
 271         call    __access
 272         testl   %eax, %eax
 273         leaq    .LC0(%rip), %rdx
 274         je      .L40
 275         movq    __libc_utmp_file_name(%rip), %rdx
 276         jmp     .L41
 277         .p2align 4,,10
 278         .p2align 3
 279 .L56:
 280         xorl    %esi, %esi
 281         movq    %rax, %rdi
 282         call    __access
 283         testl   %eax, %eax
 284         leaq    .LC2(%rip), %rdx
 285         jne     .L40
 286         movq    __libc_utmp_file_name(%rip), %rdx
 287         jmp     .L42
 288         .p2align 4,,10
 289         .p2align 3
 290 .L57:
 291         xorl    %esi, %esi
 292         movq    %rax, %rdi
 293         call    __access
 294         leaq    .LC3(%rip), %rdx
 295         testl   %eax, %eax
 296         cmove   __libc_utmp_file_name(%rip), %rdx
 297         jmp     .L40
 298         .size   __libc_setutent, .-__libc_setutent
 299         .p2align 4,,15
 300         .globl  __libc_getutent_r
 301         .hidden __libc_getutent_r
 302         .type   __libc_getutent_r, @function
 303 __libc_getutent_r:
 304         pushq   %r14
 305         pushq   %r13
 306         pushq   %r12
 307         pushq   %rbp
 308         movq    %rdi, %rbp
 309         pushq   %rbx
 310         movq    %rsi, %rbx
 311         subq    $32, %rsp
 312         movl    file_fd(%rip), %edi
 313         movq    __libc_errno@gottpoff(%rip), %r12
 314         testl   %edi, %edi
 315         movl    %fs:(%r12), %r13d
 316         js      .L70
 317 .L59:
 318         xorl    %esi, %esi
 319         call    try_file_lock
 320         testb   %al, %al
 321         jne     .L71
 322         call    read_last_entry
 323         pxor    %xmm0, %xmm0
 324         movl    file_fd(%rip), %edi
 325         movq    %rax, %r14
 326         movl    $2, %edx
 327         xorl    %eax, %eax
 328         movw    %ax, 30(%rsp)
 329         movw    %dx, (%rsp)
 330         xorl    %eax, %eax
 331         movq    %rsp, %rdx
 332         movl    $7, %esi
 333         movq    $0, 18(%rsp)
 334         movups  %xmm0, 2(%rsp)
 335         movl    $0, 26(%rsp)
 336         call    __fcntl64_nocancel
 337         cmpq    $0, %r14
 338         jle     .L72
 339         movq    last_entry(%rip), %rax
 340         leaq    8(%rbp), %rdi
 341         movq    %rbp, %rcx
 342         leaq    last_entry(%rip), %rsi
 343         andq    $-8, %rdi
 344         movq    %rax, 0(%rbp)
 345         movq    376+last_entry(%rip), %rax
 346         subq    %rdi, %rcx
 347         subq    %rcx, %rsi
 348         addl    $384, %ecx
 349         shrl    $3, %ecx
 350         movq    %rax, 376(%rbp)
 351         xorl    %eax, %eax
 352         rep movsq
 353         movq    %rbp, (%rbx)
 354 .L58:
 355         addq    $32, %rsp
 356         popq    %rbx
 357         popq    %rbp
 358         popq    %r12
 359         popq    %r13
 360         popq    %r14
 361         ret
 362         .p2align 4,,10
 363         .p2align 3
 364 .L70:
 365         call    __libc_setutent
 366         testl   %eax, %eax
 367         movl    file_fd(%rip), %edi
 368         jne     .L59
 369 .L60:
 370         movq    $0, (%rbx)
 371         addq    $32, %rsp
 372         movl    $-1, %eax
 373         popq    %rbx
 374         popq    %rbp
 375         popq    %r12
 376         popq    %r13
 377         popq    %r14
 378         ret
 379         .p2align 4,,10
 380         .p2align 3
 381 .L71:
 382         movl    $-1, %eax
 383         jmp     .L58
 384         .p2align 4,,10
 385         .p2align 3
 386 .L72:
 387         jne     .L60
 388         movl    %r13d, %fs:(%r12)
 389         jmp     .L60
 390         .size   __libc_getutent_r, .-__libc_getutent_r
 391         .p2align 4,,15
 392         .globl  __libc_getutid_r
 393         .hidden __libc_getutid_r
 394         .type   __libc_getutid_r, @function
 395 __libc_getutid_r:
 396         pushq   %r12
 397         pushq   %rbp
 398         movq    %rdi, %r12
 399         pushq   %rbx
 400         movq    %rsi, %rbp
 401         movq    %rdx, %rbx
 402         subq    $32, %rsp
 403         movl    file_fd(%rip), %edi
 404         testl   %edi, %edi
 405         js      .L85
 406 .L74:
 407         xorl    %esi, %esi
 408         call    try_file_lock
 409         testb   %al, %al
 410         jne     .L75
 411         movq    %r12, %rdi
 412         call    internal_getut_nolock
 413         pxor    %xmm0, %xmm0
 414         movl    file_fd(%rip), %edi
 415         movl    %eax, %r12d
 416         movl    $2, %edx
 417         xorl    %eax, %eax
 418         movw    %ax, 30(%rsp)
 419         movw    %dx, (%rsp)
 420         xorl    %eax, %eax
 421         movq    %rsp, %rdx
 422         movl    $7, %esi
 423         movq    $0, 18(%rsp)
 424         movups  %xmm0, 2(%rsp)
 425         movl    $0, 26(%rsp)
 426         call    __fcntl64_nocancel
 427         testl   %r12d, %r12d
 428         js      .L75
 429         movq    last_entry(%rip), %rax
 430         leaq    8(%rbp), %rdi
 431         movq    %rbp, %rcx
 432         leaq    last_entry(%rip), %rsi
 433         andq    $-8, %rdi
 434         movq    %rax, 0(%rbp)
 435         movq    376+last_entry(%rip), %rax
 436         subq    %rdi, %rcx
 437         subq    %rcx, %rsi
 438         addl    $384, %ecx
 439         shrl    $3, %ecx
 440         movq    %rax, 376(%rbp)
 441         xorl    %eax, %eax
 442         rep movsq
 443         movq    %rbp, (%rbx)
 444         addq    $32, %rsp
 445         popq    %rbx
 446         popq    %rbp
 447         popq    %r12
 448         ret
 449         .p2align 4,,10
 450         .p2align 3
 451 .L85:
 452         call    __libc_setutent
 453         testl   %eax, %eax
 454         movl    file_fd(%rip), %edi
 455         jne     .L74
 456 .L75:
 457         movq    $0, (%rbx)
 458         addq    $32, %rsp
 459         movl    $-1, %eax
 460         popq    %rbx
 461         popq    %rbp
 462         popq    %r12
 463         ret
 464         .size   __libc_getutid_r, .-__libc_getutid_r
 465         .p2align 4,,15
 466         .globl  __libc_getutline_r
 467         .hidden __libc_getutline_r
 468         .type   __libc_getutline_r, @function
 469 __libc_getutline_r:
 470         pushq   %r14
 471         pushq   %r13
 472         movq    %rdi, %r13
 473         pushq   %r12
 474         pushq   %rbp
 475         movq    %rsi, %r12
 476         pushq   %rbx
 477         movq    %rdx, %rbp
 478         subq    $32, %rsp
 479         movl    file_fd(%rip), %edi
 480         testl   %edi, %edi
 481         js      .L99
 482 .L87:
 483         xorl    %esi, %esi
 484         call    try_file_lock
 485         testb   %al, %al
 486         jne     .L98
 487         addq    $8, %r13
 488         .p2align 4,,10
 489         .p2align 3
 490 .L95:
 491         call    read_last_entry
 492         testq   %rax, %rax
 493         js      .L100
 494         je      .L101
 495         movzwl  last_entry(%rip), %eax
 496         leaq    last_entry(%rip), %rbx
 497         subl    $6, %eax
 498         cmpw    $1, %ax
 499         ja      .L95
 500         leaq    8(%rbx), %rsi
 501         movl    $32, %edx
 502         movq    %r13, %rdi
 503         call    strncmp
 504         testl   %eax, %eax
 505         movl    %eax, %r14d
 506         jne     .L95
 507         pxor    %xmm0, %xmm0
 508         movl    file_fd(%rip), %edi
 509         xorl    %eax, %eax
 510         movl    $2, %edx
 511         movl    $7, %esi
 512         movw    %ax, 30(%rsp)
 513         movw    %dx, (%rsp)
 514         xorl    %eax, %eax
 515         movq    %rsp, %rdx
 516         movq    $0, 18(%rsp)
 517         movl    $0, 26(%rsp)
 518         movups  %xmm0, 2(%rsp)
 519         call    __fcntl64_nocancel
 520         leaq    8(%r12), %rdi
 521         movq    %rbx, %rsi
 522         movq    (%rbx), %rax
 523         andq    $-8, %rdi
 524         movq    %rax, (%r12)
 525         movq    376+last_entry(%rip), %rax
 526         movq    %rax, 376(%r12)
 527         movq    %r12, %rax
 528         subq    %rdi, %rax
 529         leal    384(%rax), %ecx
 530         subq    %rax, %rsi
 531         movl    %ecx, %eax
 532         shrl    $3, %eax
 533         movl    %eax, %ecx
 534         movl    %r14d, %eax
 535         rep movsq
 536         movq    %r12, 0(%rbp)
 537         addq    $32, %rsp
 538         popq    %rbx
 539         popq    %rbp
 540         popq    %r12
 541         popq    %r13
 542         popq    %r14
 543         ret
 544         .p2align 4,,10
 545         .p2align 3
 546 .L101:
 547         pxor    %xmm0, %xmm0
 548         movl    file_fd(%rip), %edi
 549         movl    $2, %esi
 550         xorl    %ecx, %ecx
 551         movq    %rsp, %rdx
 552         movw    %si, (%rsp)
 553         xorl    %eax, %eax
 554         movl    $7, %esi
 555         movups  %xmm0, 2(%rsp)
 556         movq    $0, 18(%rsp)
 557         movl    $0, 26(%rsp)
 558         movw    %cx, 30(%rsp)
 559         call    __fcntl64_nocancel
 560         movq    __libc_errno@gottpoff(%rip), %rax
 561         movl    $3, %fs:(%rax)
 562 .L98:
 563         movq    $0, 0(%rbp)
 564         movl    $-1, %r14d
 565         addq    $32, %rsp
 566         popq    %rbx
 567         movl    %r14d, %eax
 568         popq    %rbp
 569         popq    %r12
 570         popq    %r13
 571         popq    %r14
 572         ret
 573         .p2align 4,,10
 574         .p2align 3
 575 .L100:
 576         xorl    %edi, %edi
 577         pxor    %xmm0, %xmm0
 578         movw    %di, 30(%rsp)
 579         movl    file_fd(%rip), %edi
 580         movl    $2, %r8d
 581         movq    %rsp, %rdx
 582         movl    $7, %esi
 583         xorl    %eax, %eax
 584         movups  %xmm0, 2(%rsp)
 585         movq    $0, 18(%rsp)
 586         movl    $0, 26(%rsp)
 587         movl    $-1, %r14d
 588         movw    %r8w, (%rsp)
 589         call    __fcntl64_nocancel
 590         movq    $0, 0(%rbp)
 591         addq    $32, %rsp
 592         movl    %r14d, %eax
 593         popq    %rbx
 594         popq    %rbp
 595         popq    %r12
 596         popq    %r13
 597         popq    %r14
 598         ret
 599         .p2align 4,,10
 600         .p2align 3
 601 .L99:
 602         call    __libc_setutent
 603         testl   %eax, %eax
 604         movl    file_fd(%rip), %edi
 605         jne     .L87
 606         jmp     .L98
 607         .size   __libc_getutline_r, .-__libc_getutline_r
 608         .p2align 4,,15
 609         .globl  __libc_pututline
 610         .hidden __libc_pututline
 611         .type   __libc_pututline, @function
 612 __libc_pututline:
 613         pushq   %r12
 614         pushq   %rbp
 615         pushq   %rbx
 616         movq    %rdi, %rbx
 617         subq    $32, %rsp
 618         movl    file_fd(%rip), %r9d
 619         testl   %r9d, %r9d
 620         js      .L140
 621 .L103:
 622         cmpb    $0, file_writable(%rip)
 623         jne     .L122
 624         movq    __libc_utmp_file_name(%rip), %rdx
 625         leaq    .LC2(%rip), %rdi
 626         movl    $14, %ecx
 627         movq    %rdx, %rsi
 628         repz cmpsb
 629         je      .L141
 630 .L105:
 631         leaq    .LC3(%rip), %rdi
 632         movl    $14, %ecx
 633         movq    %rdx, %rsi
 634         repz cmpsb
 635         je      .L142
 636 .L107:
 637         leaq    .LC1(%rip), %rax
 638         movl    $15, %ecx
 639         movq    %rdx, %rsi
 640         movq    %rax, %rdi
 641         repz cmpsb
 642         je      .L143
 643 .L108:
 644         leaq    .LC0(%rip), %rax
 645         movl    $15, %ecx
 646         movq    %rdx, %rsi
 647         movq    %rax, %rdi
 648         repz cmpsb
 649         je      .L144
 650 .L106:
 651         xorl    %eax, %eax
 652         movl    $524290, %esi
 653         movq    %rdx, %rdi
 654         call    __open_nocancel
 655         cmpl    $-1, %eax
 656         movl    %eax, %ebp
 657         je      .L139
 658         movl    file_fd(%rip), %esi
 659         movl    %eax, %edi
 660         call    __dup2
 661         testl   %eax, %eax
 662         movl    %ebp, %edi
 663         js      .L145
 664         call    __close_nocancel
 665         movb    $1, file_writable(%rip)
 666 .L122:
 667         movl    file_fd(%rip), %edi
 668         movl    $1, %esi
 669         call    try_file_lock
 670         testb   %al, %al
 671         movl    %eax, %r12d
 672         jne     .L139
 673         movq    %rbx, %rdi
 674         call    matches_last_entry
 675         testb   %al, %al
 676         je      .L116
 677         subq    $384, file_offset(%rip)
 678         call    read_last_entry
 679         testq   %rax, %rax
 680         js      .L119
 681         jne     .L146
 682 .L116:
 683         movq    %rbx, %rdi
 684         call    internal_getut_nolock
 685         testl   %eax, %eax
 686         js      .L147
 687 .L113:
 688         movq    file_offset(%rip), %rax
 689         movl    $1, %r12d
 690         leaq    -384(%rax), %rbp
 691 .L117:
 692         movl    file_fd(%rip), %edi
 693         xorl    %edx, %edx
 694         movq    %rbp, %rsi
 695         call    __lseek64
 696         testq   %rax, %rax
 697         js      .L119
 698         movl    file_fd(%rip), %edi
 699         movl    $384, %edx
 700         movq    %rbx, %rsi
 701         call    __write_nocancel
 702         testq   %rax, %rax
 703         js      .L119
 704         cmpq    $384, %rax
 705         movl    file_fd(%rip), %edi
 706         jne     .L148
 707         pxor    %xmm0, %xmm0
 708         xorl    %eax, %eax
 709         movl    $2, %edx
 710         movw    %ax, 30(%rsp)
 711         movw    %dx, (%rsp)
 712         movl    $7, %esi
 713         movq    %rsp, %rdx
 714         xorl    %eax, %eax
 715         addq    $384, %rbp
 716         movups  %xmm0, 2(%rsp)
 717         movq    $0, 18(%rsp)
 718         movl    $0, 26(%rsp)
 719         call    __fcntl64_nocancel
 720         movq    %rbx, %rax
 721         movq    %rbp, file_offset(%rip)
 722 .L102:
 723         addq    $32, %rsp
 724         popq    %rbx
 725         popq    %rbp
 726         popq    %r12
 727         ret
 728         .p2align 4,,10
 729         .p2align 3
 730 .L147:
 731         movl    file_fd(%rip), %edi
 732         movl    $2, %edx
 733         xorl    %esi, %esi
 734         call    __lseek64
 735         movabsq $-6148914691236517205, %rdx
 736         mulq    %rdx
 737         shrq    $8, %rdx
 738         leaq    (%rdx,%rdx,2), %rbp
 739         salq    $7, %rbp
 740         jmp     .L117
 741         .p2align 4,,10
 742         .p2align 3
 743 .L141:
 744         leaq    .LC1(%rip), %rdi
 745         xorl    %esi, %esi
 746         call    __access
 747         testl   %eax, %eax
 748         leaq    .LC1(%rip), %rdx
 749         je      .L106
 750         movq    __libc_utmp_file_name(%rip), %rdx
 751         jmp     .L105
 752         .p2align 4,,10
 753         .p2align 3
 754 .L148:
 755         testb   %r12b, %r12b
 756         jne     .L121
 757         movq    %rbp, %rsi
 758         call    __ftruncate64
 759         movl    file_fd(%rip), %edi
 760 .L121:
 761         pxor    %xmm0, %xmm0
 762         movl    $2, %esi
 763         xorl    %ecx, %ecx
 764         movw    %si, (%rsp)
 765         movq    %rsp, %rdx
 766         movl    $7, %esi
 767         xorl    %eax, %eax
 768         movq    $0, 18(%rsp)
 769         movl    $0, 26(%rsp)
 770         movups  %xmm0, 2(%rsp)
 771         movw    %cx, 30(%rsp)
 772         call    __fcntl64_nocancel
 773         movq    __libc_errno@gottpoff(%rip), %rax
 774         movl    $28, %fs:(%rax)
 775 .L139:
 776         xorl    %eax, %eax
 777 .L149:
 778         addq    $32, %rsp
 779         popq    %rbx
 780         popq    %rbp
 781         popq    %r12
 782         ret
 783         .p2align 4,,10
 784         .p2align 3
 785 .L140:
 786         call    __libc_setutent
 787         testl   %eax, %eax
 788         jne     .L103
 789         xorl    %eax, %eax
 790         jmp     .L149
 791         .p2align 4,,10
 792         .p2align 3
 793 .L146:
 794         movq    %rbx, %rdi
 795         call    matches_last_entry
 796         testb   %al, %al
 797         jne     .L113
 798         jmp     .L116
 799         .p2align 4,,10
 800         .p2align 3
 801 .L142:
 802         leaq    .LC0(%rip), %rdi
 803         xorl    %esi, %esi
 804         call    __access
 805         testl   %eax, %eax
 806         leaq    .LC0(%rip), %rdx
 807         je      .L106
 808         movq    __libc_utmp_file_name(%rip), %rdx
 809         jmp     .L107
 810         .p2align 4,,10
 811         .p2align 3
 812 .L143:
 813         xorl    %esi, %esi
 814         movq    %rax, %rdi
 815         call    __access
 816         testl   %eax, %eax
 817         leaq    .LC2(%rip), %rdx
 818         jne     .L106
 819         movq    __libc_utmp_file_name(%rip), %rdx
 820         jmp     .L108
 821         .p2align 4,,10
 822         .p2align 3
 823 .L144:
 824         xorl    %esi, %esi
 825         movq    %rax, %rdi
 826         call    __access
 827         leaq    .LC3(%rip), %rdx
 828         testl   %eax, %eax
 829         cmove   __libc_utmp_file_name(%rip), %rdx
 830         jmp     .L106
 831         .p2align 4,,10
 832         .p2align 3
 833 .L119:
 834         xorl    %edi, %edi
 835         pxor    %xmm0, %xmm0
 836         movw    %di, 30(%rsp)
 837         movl    file_fd(%rip), %edi
 838         movl    $2, %r8d
 839         movq    %rsp, %rdx
 840         movl    $7, %esi
 841         xorl    %eax, %eax
 842         movups  %xmm0, 2(%rsp)
 843         movq    $0, 18(%rsp)
 844         movl    $0, 26(%rsp)
 845         movw    %r8w, (%rsp)
 846         call    __fcntl64_nocancel
 847         xorl    %eax, %eax
 848         jmp     .L102
 849         .p2align 4,,10
 850         .p2align 3
 851 .L145:
 852         call    __close_nocancel
 853         xorl    %eax, %eax
 854         jmp     .L102
 855         .size   __libc_pututline, .-__libc_pututline
 856         .p2align 4,,15
 857         .globl  __libc_endutent
 858         .hidden __libc_endutent
 859         .type   __libc_endutent, @function
 860 __libc_endutent:
 861         movl    file_fd(%rip), %edi
 862         testl   %edi, %edi
 863         js      .L153
 864         subq    $8, %rsp
 865         call    __close_nocancel
 866         movl    $-1, file_fd(%rip)
 867         addq    $8, %rsp
 868         ret
 869         .p2align 4,,10
 870         .p2align 3
 871 .L153:
 872         rep ret
 873         .size   __libc_endutent, .-__libc_endutent
 874         .p2align 4,,15
 875         .globl  __libc_updwtmp
 876         .hidden __libc_updwtmp
 877         .type   __libc_updwtmp, @function
 878 __libc_updwtmp:
 879         pushq   %r13
 880         pushq   %r12
 881         xorl    %eax, %eax
 882         pushq   %rbp
 883         pushq   %rbx
 884         movq    %rsi, %r12
 885         movl    $1, %esi
 886         subq    $40, %rsp
 887         call    __open_nocancel
 888         testl   %eax, %eax
 889         js      .L161
 890         movl    $1, %esi
 891         movl    %eax, %edi
 892         movl    %eax, %ebx
 893         call    try_file_lock
 894         testb   %al, %al
 895         jne     .L169
 896         movl    $2, %edx
 897         xorl    %esi, %esi
 898         movl    %ebx, %edi
 899         call    __lseek64
 900         movabsq $-6148914691236517205, %rdx
 901         movq    %rax, %rbp
 902         mulq    %rdx
 903         shrq    $8, %rdx
 904         leaq    (%rdx,%rdx,2), %rax
 905         movq    %rbp, %rdx
 906         salq    $7, %rax
 907         subq    %rax, %rdx
 908         je      .L159
 909         subq    %rdx, %rbp
 910         movl    %ebx, %edi
 911         movl    $-1, %r13d
 912         movq    %rbp, %rsi
 913         call    __ftruncate64
 914         xorl    %esi, %esi
 915         movl    $2, %edx
 916         movl    %ebx, %edi
 917         call    __lseek64
 918         testq   %rax, %rax
 919         js      .L160
 920 .L159:
 921         movl    $384, %edx
 922         movq    %r12, %rsi
 923         movl    %ebx, %edi
 924         call    __write_nocancel
 925         xorl    %r13d, %r13d
 926         cmpq    $384, %rax
 927         jne     .L170
 928 .L160:
 929         pxor    %xmm0, %xmm0
 930         xorl    %eax, %eax
 931         movl    $2, %edx
 932         movw    %ax, 30(%rsp)
 933         movw    %dx, (%rsp)
 934         movl    %ebx, %edi
 935         movq    %rsp, %rdx
 936         movl    $7, %esi
 937         xorl    %eax, %eax
 938         movups  %xmm0, 2(%rsp)
 939         movq    $0, 18(%rsp)
 940         movl    $0, 26(%rsp)
 941         call    __fcntl64_nocancel
 942         movl    %ebx, %edi
 943         call    __close_nocancel
 944 .L156:
 945         addq    $40, %rsp
 946         movl    %r13d, %eax
 947         popq    %rbx
 948         popq    %rbp
 949         popq    %r12
 950         popq    %r13
 951         ret
 952         .p2align 4,,10
 953         .p2align 3
 954 .L170:
 955         movq    %rbp, %rsi
 956         movl    %ebx, %edi
 957         movl    $-1, %r13d
 958         call    __ftruncate64
 959         jmp     .L160
 960         .p2align 4,,10
 961         .p2align 3
 962 .L161:
 963         movl    $-1, %r13d
 964         jmp     .L156
 965         .p2align 4,,10
 966         .p2align 3
 967 .L169:
 968         movl    %ebx, %edi
 969         movl    $-1, %r13d
 970         call    __close_nocancel
 971         jmp     .L156
 972         .size   __libc_updwtmp, .-__libc_updwtmp
 973         .local  last_entry
 974         .comm   last_entry,384,32
 975         .local  file_offset
 976         .comm   file_offset,8,8
 977         .local  file_writable
 978         .comm   file_writable,1,1
 979         .data
 980         .align 4
 981         .type   file_fd, @object
 982         .size   file_fd, 4
 983 file_fd:
 984         .long   -1
 985         .hidden __ftruncate64
 986         .hidden __write_nocancel
 987         .hidden __close_nocancel
 988         .hidden __dup2
 989         .hidden __access
 990         .hidden __lseek64
 991         .hidden __open_nocancel
 992         .hidden __libc_utmp_file_name
 993         .hidden strncmp
 994         .hidden __pread64_nocancel
 995         .hidden __fcntl64_nocancel
 996         .hidden __sigaction
 997         .hidden alarm