io/getcwd.s

   1         .text
   2         .section        .rodata.str1.1,"aMS",@progbits,1
   3 .LC0:
   4         .string "."
   5 .LC1:
   6         .string "/"
   7 .LC2:
   8         .string ".."
   9         .section        .rodata.str1.8,"aMS",@progbits,1
  10         .align 8
  11 .LC3:
  12         .string "../sysdeps/unix/sysv/linux/getcwd.c"
  13         .align 8
  14 .LC4:
  15         .string "errno != ERANGE || buf != NULL || size != 0"
  16         .text
  17         .p2align 4,,15
  18         .globl  __getcwd
  19         .hidden __getcwd
  20         .type   __getcwd, @function
  21 __getcwd:
  22         pushq   %r15
  23         pushq   %r14
  24         pushq   %r13
  25         pushq   %r12
  26         pushq   %rbp
  27         pushq   %rbx
  28         movq    %rdi, %rbx
  29         subq    $264, %rsp
  30         testq   %rsi, %rsi
  31         movq    %rsi, 24(%rsp)
  32         jne     .L2
  33         testq   %rdi, %rdi
  34         jne     .L100
  35         call    __getpagesize
  36         movl    $4096, %esi
  37         cmpl    $4096, %eax
  38         cmovge  %eax, %esi
  39         movslq  %esi, %rsi
  40 .L5:
  41         movq    %rsi, %rdi
  42         movq    %rsi, 8(%rsp)
  43         call    malloc@PLT
  44         testq   %rax, %rax
  45         movq    %rax, %r15
  46         movq    8(%rsp), %rsi
  47         jne     .L6
  48         .p2align 4,,10
  49         .p2align 3
  50 .L101:
  51         xorl    %r15d, %r15d
  52 .L1:
  53         addq    $264, %rsp
  54         movq    %r15, %rax
  55         popq    %rbx
  56         popq    %rbp
  57         popq    %r12
  58         popq    %r13
  59         popq    %r14
  60         popq    %r15
  61         ret
  62         .p2align 4,,10
  63         .p2align 3
  64 .L2:
  65         testq   %rdi, %rdi
  66         movq    24(%rsp), %rsi
  67         je      .L5
  68         movq    %rdi, %r15
  69 .L6:
  70         movq    %r15, %rdi
  71         movl    $79, %eax
  72 #APP
  73 # 81 "../sysdeps/unix/sysv/linux/getcwd.c" 1
  74         syscall
  75
  76 # 0 "" 2
  77 #NO_APP
  78         cmpq    $-4096, %rax
  79         ja      .L103
  80         cmpl    $0, %eax
  81         jle     .L9
  82         testq   %rbx, %rbx
  83         sete    70(%rsp)
  84         cmpq    $0, 24(%rsp)
  85         movzbl  70(%rsp), %ecx
  86         sete    %dl
  87         andl    %ecx, %edx
  88         cmpb    $47, (%r15)
  89         je      .L104
  90         testb   %dl, %dl
  91         jne     .L105
  92 .L15:
  93         cmpq    $0, 24(%rsp)
  94         jne     .L54
  95 .L100:
  96         movq    __libc_errno@gottpoff(%rip), %rax
  97         xorl    %r15d, %r15d
  98         movl    $22, %fs:(%rax)
  99         jmp     .L1
 100         .p2align 4,,10
 101         .p2align 3
 102 .L105:
 103         movq    %r15, %rdi
 104         call    free@PLT
 105         movl    $4096, %edi
 106         call    malloc@PLT
 107         testq   %rax, %rax
 108         movq    %rax, %r15
 109         movq    $0, 40(%rsp)
 110         je      .L16
 111         movq    $4096, 48(%rsp)
 112 .L17:
 113         movq    48(%rsp), %rax
 114         leaq    112(%rsp), %rsi
 115         leaq    .LC0(%rip), %rdi
 116         movq    %rsi, 8(%rsp)
 117         leaq    (%r15,%rax), %rbx
 118         leaq    -1(%rbx), %rax
 119         movb    $0, -1(%rbx)
 120         movq    %rax, 72(%rsp)
 121         call    __lstat64
 122         testl   %eax, %eax
 123         js      .L99
 124         movq    112(%rsp), %rax
 125         movq    8(%rsp), %rsi
 126         leaq    .LC1(%rip), %rdi
 127         movq    %rax, 16(%rsp)
 128         movq    120(%rsp), %rax
 129         movq    %rax, %r14
 130         call    __lstat64
 131         testl   %eax, %eax
 132         js      .L99
 133         movq    112(%rsp), %rax
 134         cmpq    %rax, 16(%rsp)
 135         movq    %r14, %rcx
 136         movq    120(%rsp), %rdi
 137         movq    %rax, 80(%rsp)
 138         setne   %dl
 139         cmpq    %rdi, %r14
 140         movq    %rdi, 88(%rsp)
 141         setne   %al
 142         orb     %al, %dl
 143         movb    %dl, 71(%rsp)
 144         je      .L21
 145         movq    __libc_errno@gottpoff(%rip), %r12
 146         movq    %r15, 56(%rsp)
 147         xorl    %ebp, %ebp
 148         movl    $-100, %r14d
 149         movq    %rcx, %r15
 150 .L82:
 151         leaq    .LC2(%rip), %rsi
 152         xorl    %edx, %edx
 153         movl    %r14d, %edi
 154         xorl    %eax, %eax
 155         call    __openat64
 156         testl   %eax, %eax
 157         movl    %eax, %r14d
 158         js      .L22
 159         movq    8(%rsp), %rsi
 160         movl    %eax, %edi
 161         call    __fstat64
 162         testl   %eax, %eax
 163         jne     .L23
 164         testq   %rbp, %rbp
 165         je      .L27
 166         movq    %rbp, %rdi
 167         call    __closedir
 168         testl   %eax, %eax
 169         jne     .L95
 170 .L27:
 171         movq    112(%rsp), %rax
 172         movl    %r14d, %edi
 173         movq    %rax, 32(%rsp)
 174         movq    120(%rsp), %rax
 175         movq    %rax, 96(%rsp)
 176         call    __fdopendir
 177         testq   %rax, %rax
 178         movq    %rax, %rbp
 179         je      .L95
 180         movzbl  71(%rsp), %r13d
 181         .p2align 4,,10
 182         .p2align 3
 183 .L26:
 184         movq    %rbp, %rdi
 185         movl    $0, %fs:(%r12)
 186         call    __readdir64
 187         testq   %rax, %rax
 188         je      .L106
 189         cmpb    $46, 19(%rax)
 190         je      .L51
 191 .L32:
 192         testb   %r13b, %r13b
 193         je      .L34
 194         cmpq    %r15, (%rax)
 195         movq    16(%rsp), %rsi
 196         sete    %dl
 197         cmpq    %rsi, 32(%rsp)
 198         setne   %cl
 199         orb     %cl, %dl
 200         je      .L26
 201         movl    %edx, %r13d
 202 .L34:
 203         leaq    19(%rax), %rbx
 204         movq    8(%rsp), %rdx
 205         movl    $256, %ecx
 206         movl    %r14d, %edi
 207         movq    %rbx, %rsi
 208         call    __fstatat64
 209         testl   %eax, %eax
 210         jne     .L26
 211         movl    136(%rsp), %eax
 212         andl    $61440, %eax
 213         cmpl    $16384, %eax
 214         jne     .L26
 215         movq    16(%rsp), %rax
 216         cmpq    %rax, 112(%rsp)
 217         jne     .L26
 218         cmpq    %r15, 120(%rsp)
 219         jne     .L26
 220         movq    72(%rsp), %r13
 221         subq    56(%rsp), %r13
 222         movq    %rbx, %rdi
 223         call    strlen
 224         movq    %rax, %rcx
 225         cmpq    %rax, %r13
 226         ja      .L35
 227         cmpq    $0, 24(%rsp)
 228         jne     .L107
 229         movq    48(%rsp), %rax
 230         movq    %rcx, 104(%rsp)
 231         cmpq    %rax, %rcx
 232         movq    %rax, %r15
 233         cmovnb  %rcx, %r15
 234         addq    %rax, %r15
 235         jc      .L39
 236         movq    56(%rsp), %rdi
 237         movq    %r15, %rsi
 238         call    realloc@PLT
 239         testq   %rax, %rax
 240         movq    %rax, %r8
 241         je      .L39
 242         movq    48(%rsp), %rax
 243         movq    %r13, %rdi
 244         leaq    (%r8,%r13), %rsi
 245         movq    %r8, 16(%rsp)
 246         subq    %rax, %rdi
 247         subq    %r13, %rax
 248         addq    %r15, %rdi
 249         movq    %rax, %rdx
 250         addq    %r8, %rdi
 251         call    memcpy@PLT
 252         movq    16(%rsp), %r8
 253         movq    104(%rsp), %rcx
 254         movq    %rax, 72(%rsp)
 255         movq    %r15, 48(%rsp)
 256         movq    %r8, 56(%rsp)
 257 .L35:
 258         movq    72(%rsp), %r8
 259         movq    %rbx, %rsi
 260         movq    %rcx, %rdx
 261         subq    %rcx, %r8
 262         movq    %r8, %rdi
 263         call    memcpy@PLT
 264         movq    %rax, %r8
 265         leaq    -1(%rax), %rax
 266         movq    96(%rsp), %rbx
 267         movb    $47, -1(%r8)
 268         movq    %rax, 72(%rsp)
 269         movq    32(%rsp), %rax
 270         cmpq    %rax, 80(%rsp)
 271         movq    %rbx, %r15
 272         movq    %rax, 16(%rsp)
 273         jne     .L82
 274         cmpq    %rbx, 88(%rsp)
 275         jne     .L82
 276         movq    %rbp, %rdi
 277         movq    56(%rsp), %r15
 278         call    __closedir
 279         testl   %eax, %eax
 280         jne     .L41
 281         movq    48(%rsp), %rax
 282         leaq    (%r15,%rax), %rbx
 283 .L21:
 284         movq    48(%rsp), %rax
 285         leaq    -1(%r15,%rax), %rax
 286         cmpq    72(%rsp), %rax
 287         je      .L108
 288 .L42:
 289         movq    72(%rsp), %rsi
 290         movq    %r15, %rdi
 291         subq    %rsi, %rbx
 292         movq    %rbx, %rdx
 293         call    memmove
 294         cmpq    $0, 24(%rsp)
 295         jne     .L43
 296         cmpq    48(%rsp), %rbx
 297         jnb     .L1
 298         movq    %rbx, %rsi
 299         movq    %r15, %rdi
 300         call    realloc@PLT
 301         movq    %rax, 40(%rsp)
 302 .L43:
 303         movq    40(%rsp), %rax
 304         testq   %rax, %rax
 305         cmovne  %rax, %r15
 306         jmp     .L1
 307         .p2align 4,,10
 308         .p2align 3
 309 .L106:
 310         movl    %fs:(%r12), %ebx
 311         testl   %ebx, %ebx
 312         jne     .L97
 313         testb   %r13b, %r13b
 314         je      .L97
 315         movq    %rbp, %rdi
 316         call    __rewinddir
 317         movq    %rbp, %rdi
 318         call    __readdir64
 319         testq   %rax, %rax
 320         je      .L109
 321         xorl    %r13d, %r13d
 322         cmpb    $46, 19(%rax)
 323         jne     .L34
 324 .L51:
 325         cmpb    $0, 20(%rax)
 326         je      .L26
 327         cmpw    $46, 20(%rax)
 328         jne     .L32
 329         jmp     .L26
 330         .p2align 4,,10
 331         .p2align 3
 332 .L97:
 333         movq    56(%rsp), %r15
 334 .L29:
 335         testl   %ebx, %ebx
 336         jne     .L31
 337         movl    $2, %fs:(%r12)
 338         movl    $2, %ebx
 339 .L31:
 340         movq    %rbp, %rdi
 341         call    __closedir
 342 .L19:
 343         cmpq    $0, 40(%rsp)
 344         je      .L110
 345 .L46:
 346         movl    %ebx, %fs:(%r12)
 347 .L16:
 348         cmpq    $0, 24(%rsp)
 349         je      .L101
 350         cmpb    $0, 70(%rsp)
 351         je      .L101
 352         movq    40(%rsp), %rdi
 353         call    free@PLT
 354         jmp     .L101
 355         .p2align 4,,10
 356         .p2align 3
 357 .L9:
 358         je      .L13
 359         movq    __libc_errno@gottpoff(%rip), %r12
 360         movl    %fs:(%r12), %eax
 361 .L8:
 362         cmpl    $36, %eax
 363         je      .L13
 364         cmpl    $34, %eax
 365         je      .L111
 366 .L48:
 367         testq   %rbx, %rbx
 368         jne     .L101
 369         movq    %r15, %rdi
 370         xorl    %r15d, %r15d
 371         call    free@PLT
 372         jmp     .L1
 373         .p2align 4,,10
 374         .p2align 3
 375 .L104:
 376         testb   %dl, %dl
 377         jne     .L112
 378 .L11:
 379         testq   %rbx, %rbx
 380         cmovne  %rbx, %r15
 381         jmp     .L1
 382         .p2align 4,,10
 383         .p2align 3
 384 .L54:
 385         movq    24(%rsp), %rax
 386         movq    %r15, 40(%rsp)
 387         movq    %rax, 48(%rsp)
 388         jmp     .L17
 389         .p2align 4,,10
 390         .p2align 3
 391 .L13:
 392         testq   %rbx, %rbx
 393         sete    70(%rsp)
 394         cmpq    $0, 24(%rsp)
 395         movzbl  70(%rsp), %eax
 396         sete    %dl
 397         andl    %eax, %edx
 398         testb   %dl, %dl
 399         je      .L15
 400         jmp     .L105
 401         .p2align 4,,10
 402         .p2align 3
 403 .L103:
 404         movq    __libc_errno@gottpoff(%rip), %r12
 405         negl    %eax
 406         movl    %eax, %fs:(%r12)
 407         jmp     .L8
 408         .p2align 4,,10
 409         .p2align 3
 410 .L110:
 411         movq    %r15, %rdi
 412         call    free@PLT
 413         jmp     .L46
 414         .p2align 4,,10
 415         .p2align 3
 416 .L99:
 417         movq    __libc_errno@gottpoff(%rip), %r12
 418         movl    %fs:(%r12), %ebx
 419         jmp     .L19
 420         .p2align 4,,10
 421         .p2align 3
 422 .L112:
 423         movslq  %eax, %rsi
 424         call    realloc@PLT
 425         movq    %rax, %rbx
 426         jmp     .L11
 427         .p2align 4,,10
 428         .p2align 3
 429 .L111:
 430         testq   %rbx, %rbx
 431         jne     .L48
 432         cmpq    $0, 24(%rsp)
 433         jne     .L48
 434         leaq    __PRETTY_FUNCTION__.9119(%rip), %rcx
 435         leaq    .LC3(%rip), %rsi
 436         leaq    .LC4(%rip), %rdi
 437         movl    $124, %edx
 438         call    __assert_fail
 439         .p2align 4,,10
 440         .p2align 3
 441 .L109:
 442         movq    56(%rsp), %r15
 443         movl    %fs:(%r12), %ebx
 444         jmp     .L29
 445 .L95:
 446         movq    56(%rsp), %r15
 447         movl    %fs:(%r12), %ebx
 448 .L45:
 449         movl    %r14d, %edi
 450         call    __close_nocancel
 451         jmp     .L19
 452 .L22:
 453         testq   %rbp, %rbp
 454         movq    56(%rsp), %r15
 455         movl    %fs:(%r12), %ebx
 456         je      .L19
 457         jmp     .L31
 458         .p2align 4,,10
 459         .p2align 3
 460 .L23:
 461         testq   %rbp, %rbp
 462         movq    56(%rsp), %r15
 463         movl    %fs:(%r12), %ebx
 464         je      .L45
 465         movq    %rbp, %rdi
 466         call    __closedir
 467         jmp     .L45
 468         .p2align 4,,10
 469         .p2align 3
 470 .L108:
 471         subq    $1, 72(%rsp)
 472         movb    $47, -1(%rax)
 473         jmp     .L42
 474 .L41:
 475         movl    %fs:(%r12), %ebx
 476         jmp     .L19
 477 .L39:
 478         movq    56(%rsp), %r15
 479         movl    $12, %fs:(%r12)
 480         movl    $12, %ebx
 481         jmp     .L31
 482 .L107:
 483         movq    56(%rsp), %r15
 484         movl    $34, %fs:(%r12)
 485         movl    $34, %ebx
 486         jmp     .L31
 487         .size   __getcwd, .-__getcwd
 488         .weak   getcwd
 489         .set    getcwd,__getcwd
 490         .section        .rodata.str1.8
 491         .align 8
 492         .type   __PRETTY_FUNCTION__.9119, @object
 493         .size   __PRETTY_FUNCTION__.9119, 9
 494 __PRETTY_FUNCTION__.9119:
 495         .string "__getcwd"
 496         .hidden __close_nocancel
 497         .hidden __assert_fail
 498         .hidden __rewinddir
 499         .hidden memmove
 500         .hidden strlen
 501         .hidden __fstatat64
 502         .hidden __readdir64
 503         .hidden __fdopendir
 504         .hidden __closedir
 505         .hidden __fstat64
 506         .hidden __openat64
 507         .hidden __lstat64
 508         .hidden __getpagesize