libio/iopopen.s

   1         .text
   2         .p2align 4,,15
   3         .globl  _IO_new_proc_close
   4         .type   _IO_new_proc_close, @function
   5 _IO_new_proc_close:
   6         pushq   %r14
   7         pushq   %r13
   8         pushq   %r12
   9         pushq   %rbp
  10         pushq   %rbx
  11         movq    %rdi, %rbx
  12         subq    $48, %rsp
  13         movq    _pthread_cleanup_push_defer@GOTPCREL(%rip), %rbp
  14         testq   %rbp, %rbp
  15         je      .L2
  16         leaq    16(%rsp), %rdi
  17         leaq    unlock(%rip), %rsi
  18         xorl    %edx, %edx
  19         call    _pthread_cleanup_push_defer@PLT
  20 .L3:
  21         movq    %fs:16, %r12
  22         cmpq    %r12, 8+proc_file_chain_lock(%rip)
  23         je      .L4
  24 #APP
  25 # 260 "iopopen.c" 1
  26         movl %fs:24,%eax
  27 # 0 "" 2
  28 #NO_APP
  29         testl   %eax, %eax
  30         jne     .L5
  31         movl    $1, %edx
  32 #APP
  33 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  34         cmpxchgl %edx, proc_file_chain_lock(%rip)
  35 # 0 "" 2
  36 #NO_APP
  37 .L6:
  38         movq    %r12, 8+proc_file_chain_lock(%rip)
  39 .L4:
  40         movl    4+proc_file_chain_lock(%rip), %ecx
  41         movq    proc_file_chain(%rip), %rdx
  42         movl    $-1, %r12d
  43         leal    1(%rcx), %eax
  44         testq   %rdx, %rdx
  45         movl    %eax, 4+proc_file_chain_lock(%rip)
  46         je      .L7
  47         cmpq    %rbx, %rdx
  48         jne     .L9
  49         jmp     .L35
  50         .p2align 4,,10
  51         .p2align 3
  52 .L10:
  53         cmpq    %rbx, %rax
  54         je      .L36
  55         movq    %rax, %rdx
  56 .L9:
  57         movq    232(%rdx), %rax
  58         testq   %rax, %rax
  59         jne     .L10
  60         movl    $-1, %r12d
  61 .L7:
  62         testl   %ecx, %ecx
  63         movl    %ecx, 4+proc_file_chain_lock(%rip)
  64         jne     .L12
  65         movq    $0, 8+proc_file_chain_lock(%rip)
  66 #APP
  67 # 272 "iopopen.c" 1
  68         movl %fs:24,%eax
  69 # 0 "" 2
  70 #NO_APP
  71         testl   %eax, %eax
  72         jne     .L13
  73         subl    $1, proc_file_chain_lock(%rip)
  74 .L12:
  75         testq   %rbp, %rbp
  76         je      .L15
  77         leaq    16(%rsp), %rdi
  78         xorl    %esi, %esi
  79         call    _pthread_cleanup_pop_restore@PLT
  80 .L15:
  81         cmpl    $-1, %r12d
  82         je      .L16
  83         movl    112(%rbx), %edi
  84         call    __close_nocancel
  85         testl   %eax, %eax
  86         js      .L16
  87         movq    __pthread_setcancelstate@GOTPCREL(%rip), %r12
  88         leaq    12(%rsp), %r13
  89         leaq    16(%rsp), %r14
  90         jmp     .L19
  91         .p2align 4,,10
  92         .p2align 3
  93 .L37:
  94         movq    %r14, %rsi
  95         movl    $1, %edi
  96         call    __pthread_setcancelstate@PLT
  97         movl    224(%rbx), %edi
  98         xorl    %edx, %edx
  99         movq    %r13, %rsi
 100         call    __waitpid
 101         movl    16(%rsp), %edi
 102         movl    %eax, %ebp
 103         xorl    %esi, %esi
 104         call    __pthread_setcancelstate@PLT
 105         cmpl    $-1, %ebp
 106         jne     .L18
 107 .L38:
 108         movq    __libc_errno@gottpoff(%rip), %rax
 109         cmpl    $4, %fs:(%rax)
 110         jne     .L16
 111 .L19:
 112         testq   %r12, %r12
 113         jne     .L37
 114         movl    224(%rbx), %edi
 115         xorl    %edx, %edx
 116         movq    %r13, %rsi
 117         call    __waitpid
 118         movl    %eax, %ebp
 119         cmpl    $-1, %ebp
 120         je      .L38
 121 .L18:
 122         movl    12(%rsp), %eax
 123         addq    $48, %rsp
 124         popq    %rbx
 125         popq    %rbp
 126         popq    %r12
 127         popq    %r13
 128         popq    %r14
 129         ret
 130         .p2align 4,,10
 131         .p2align 3
 132 .L16:
 133         addq    $48, %rsp
 134         movl    $-1, %eax
 135         popq    %rbx
 136         popq    %rbp
 137         popq    %r12
 138         popq    %r13
 139         popq    %r14
 140         ret
 141         .p2align 4,,10
 142         .p2align 3
 143 .L2:
 144         leaq    unlock(%rip), %rax
 145         movq    $0, 24(%rsp)
 146         movq    %rax, 16(%rsp)
 147         jmp     .L3
 148         .p2align 4,,10
 149         .p2align 3
 150 .L36:
 151         addq    $232, %rdx
 152 .L8:
 153         movq    232(%rbx), %rax
 154         xorl    %r12d, %r12d
 155         movq    %rax, (%rdx)
 156         jmp     .L7
 157 .L13:
 158 #APP
 159 # 272 "iopopen.c" 1
 160         xchgl %ecx, proc_file_chain_lock(%rip)
 161 # 0 "" 2
 162 #NO_APP
 163         cmpl    $1, %ecx
 164         jle     .L12
 165         xorl    %r10d, %r10d
 166         movl    $1, %edx
 167         movl    $129, %esi
 168         leaq    proc_file_chain_lock(%rip), %rdi
 169         movl    $202, %eax
 170 #APP
 171 # 272 "iopopen.c" 1
 172         syscall
 173
 174 # 0 "" 2
 175 #NO_APP
 176         jmp     .L12
 177         .p2align 4,,10
 178         .p2align 3
 179 .L5:
 180         xorl    %eax, %eax
 181         movl    $1, %edx
 182         lock cmpxchgl   %edx, proc_file_chain_lock(%rip)
 183         je      .L6
 184         leaq    proc_file_chain_lock(%rip), %rdi
 185         call    __lll_lock_wait_private
 186         jmp     .L6
 187         .p2align 4,,10
 188         .p2align 3
 189 .L35:
 190         leaq    proc_file_chain(%rip), %rdx
 191         jmp     .L8
 192         .size   _IO_new_proc_close, .-_IO_new_proc_close
 193         .weak   _IO_proc_close
 194         .set    _IO_proc_close,_IO_new_proc_close
 195         .p2align 4,,15
 196         .type   unlock, @function
 197 unlock:
 198         movl    4+proc_file_chain_lock(%rip), %eax
 199         subl    $1, %eax
 200         testl   %eax, %eax
 201         movl    %eax, 4+proc_file_chain_lock(%rip)
 202         jne     .L39
 203         movq    $0, 8+proc_file_chain_lock(%rip)
 204 #APP
 205 # 59 "iopopen.c" 1
 206         movl %fs:24,%edx
 207 # 0 "" 2
 208 #NO_APP
 209         testl   %edx, %edx
 210         jne     .L42
 211         subl    $1, proc_file_chain_lock(%rip)
 212         ret
 213         .p2align 4,,10
 214         .p2align 3
 215 .L42:
 216 #APP
 217 # 59 "iopopen.c" 1
 218         xchgl %eax, proc_file_chain_lock(%rip)
 219 # 0 "" 2
 220 #NO_APP
 221         cmpl    $1, %eax
 222         jle     .L39
 223         xorl    %r10d, %r10d
 224         movl    $1, %edx
 225         movl    $129, %esi
 226         leaq    proc_file_chain_lock(%rip), %rdi
 227         movl    $202, %eax
 228 #APP
 229 # 59 "iopopen.c" 1
 230         syscall
 231
 232 # 0 "" 2
 233 #NO_APP
 234 .L39:
 235         rep ret
 236         .size   unlock, .-unlock
 237         .section        .rodata.str1.1,"aMS",@progbits,1
 238 .LC0:
 239         .string "sh"
 240 .LC1:
 241         .string "-c"
 242 .LC2:
 243         .string "/bin/sh"
 244         .text
 245         .p2align 4,,15
 246         .globl  _IO_new_proc_open
 247         .type   _IO_new_proc_open, @function
 248 _IO_new_proc_open:
 249         pushq   %r15
 250         pushq   %r14
 251         xorl    %r14d, %r14d
 252         pushq   %r13
 253         pushq   %r12
 254         movq    %rsi, %r13
 255         pushq   %rbp
 256         pushq   %rbx
 257         xorl    %ebp, %ebp
 258         movq    %rdi, %rbx
 259         xorl    %esi, %esi
 260         subq    $200, %rsp
 261 .L45:
 262         movzbl  (%rdx), %eax
 263         testb   %al, %al
 264         je      .L92
 265 .L51:
 266         addq    $1, %rdx
 267         cmpb    $114, %al
 268         je      .L47
 269         cmpb    $119, %al
 270         je      .L75
 271         cmpb    $101, %al
 272         je      .L93
 273 .L46:
 274         movq    __libc_errno@gottpoff(%rip), %rax
 275         movl    $22, %fs:(%rax)
 276         xorl    %eax, %eax
 277 .L44:
 278         addq    $200, %rsp
 279         popq    %rbx
 280         popq    %rbp
 281         popq    %r12
 282         popq    %r13
 283         popq    %r14
 284         popq    %r15
 285         ret
 286         .p2align 4,,10
 287         .p2align 3
 288 .L47:
 289         movzbl  (%rdx), %eax
 290         movl    $1, %r14d
 291         testb   %al, %al
 292         jne     .L51
 293 .L92:
 294         cmpl    %esi, %r14d
 295         je      .L46
 296         cmpl    $-1, 112(%rbx)
 297         jne     .L91
 298         leaq    40(%rsp), %rax
 299         movl    $524288, %esi
 300         movq    %rax, %rdi
 301         movq    %rax, 24(%rsp)
 302         call    __pipe2
 303         testl   %eax, %eax
 304         js      .L91
 305         movl    %r14d, %eax
 306         leaq    112(%rsp), %r12
 307         xorl    $1, %eax
 308         cmpl    $1, %r14d
 309         movl    %eax, 20(%rsp)
 310         sbbl    %eax, %eax
 311         movq    %r12, %rdi
 312         andl    $-4, %eax
 313         addl    $8, %eax
 314         movl    %eax, 16(%rsp)
 315         call    __posix_spawn_file_actions_init
 316         movslq  %r14d, %rax
 317         movl    40(%rsp,%rax,4), %esi
 318         movq    %rax, 8(%rsp)
 319         cmpl    %r14d, %esi
 320         je      .L94
 321 .L55:
 322         movl    %r14d, %edx
 323         movq    %r12, %rdi
 324         call    __posix_spawn_file_actions_adddup2
 325         testl   %eax, %eax
 326         jne     .L57
 327         cmpq    $0, _pthread_cleanup_push_defer@GOTPCREL(%rip)
 328         je      .L58
 329         leaq    48(%rsp), %rdi
 330         leaq    unlock(%rip), %rsi
 331         xorl    %edx, %edx
 332         call    _pthread_cleanup_push_defer@PLT
 333 .L59:
 334         movq    %fs:16, %r15
 335         cmpq    %r15, 8+proc_file_chain_lock(%rip)
 336         je      .L60
 337 #APP
 338 # 195 "iopopen.c" 1
 339         movl %fs:24,%eax
 340 # 0 "" 2
 341 #NO_APP
 342         testl   %eax, %eax
 343         jne     .L61
 344         movl    $1, %esi
 345 #APP
 346 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
 347         cmpxchgl %esi, proc_file_chain_lock(%rip)
 348 # 0 "" 2
 349 #NO_APP
 350 .L62:
 351         movq    %r15, 8+proc_file_chain_lock(%rip)
 352 .L60:
 353         movq    proc_file_chain(%rip), %r15
 354         addl    $1, 4+proc_file_chain_lock(%rip)
 355         testq   %r15, %r15
 356         je      .L63
 357         .p2align 4,,10
 358         .p2align 3
 359 .L65:
 360         movl    112(%r15), %esi
 361         cmpl    %esi, %r14d
 362         je      .L66
 363         movq    %r12, %rdi
 364         call    __posix_spawn_file_actions_addclose
 365         testl   %eax, %eax
 366         jne     .L68
 367 .L66:
 368         movq    232(%r15), %r15
 369         testq   %r15, %r15
 370         jne     .L65
 371 .L63:
 372         leaq    .LC0(%rip), %rax
 373         movq    __environ(%rip), %r9
 374         leaq    224(%rbx), %rdi
 375         leaq    80(%rsp), %r8
 376         leaq    .LC2(%rip), %rsi
 377         xorl    %ecx, %ecx
 378         movq    %rax, 80(%rsp)
 379         leaq    .LC1(%rip), %rax
 380         movq    %r12, %rdx
 381         movq    %r13, 96(%rsp)
 382         movq    $0, 104(%rsp)
 383         movq    %rax, 88(%rsp)
 384         call    __posix_spawn
 385         testl   %eax, %eax
 386         je      .L95
 387 .L68:
 388         xorl    %ebp, %ebp
 389 .L67:
 390         movl    4+proc_file_chain_lock(%rip), %eax
 391         subl    $1, %eax
 392         testl   %eax, %eax
 393         movl    %eax, 4+proc_file_chain_lock(%rip)
 394         jne     .L71
 395         movq    $0, 8+proc_file_chain_lock(%rip)
 396 #APP
 397 # 200 "iopopen.c" 1
 398         movl %fs:24,%edx
 399 # 0 "" 2
 400 #NO_APP
 401         testl   %edx, %edx
 402         jne     .L72
 403         subl    $1, proc_file_chain_lock(%rip)
 404 .L71:
 405         cmpq    $0, _pthread_cleanup_push_defer@GOTPCREL(%rip)
 406         je      .L74
 407         leaq    48(%rsp), %rdi
 408         xorl    %esi, %esi
 409         call    _pthread_cleanup_pop_restore@PLT
 410 .L74:
 411         movq    %r12, %rdi
 412         call    __posix_spawn_file_actions_destroy
 413         testb   %bpl, %bpl
 414         je      .L57
 415         movl    (%rbx), %eax
 416         movl    16(%rsp), %r14d
 417         andl    $-13, %eax
 418         orl     %eax, %r14d
 419         movq    %rbx, %rax
 420         movl    %r14d, (%rbx)
 421         jmp     .L44
 422         .p2align 4,,10
 423         .p2align 3
 424 .L93:
 425         movl    $1, %ebp
 426         jmp     .L45
 427         .p2align 4,,10
 428         .p2align 3
 429 .L75:
 430         movl    $1, %esi
 431         jmp     .L45
 432         .p2align 4,,10
 433         .p2align 3
 434 .L94:
 435         xorl    %edx, %edx
 436         xorl    %eax, %eax
 437         movl    $1030, %esi
 438         movl    %r14d, %edi
 439         call    __fcntl
 440         testl   %eax, %eax
 441         movl    %eax, %r15d
 442         jns     .L56
 443         .p2align 4,,10
 444         .p2align 3
 445 .L57:
 446         movq    8(%rsp), %rax
 447         movl    40(%rsp,%rax,4), %edi
 448         call    __close_nocancel
 449         movslq  20(%rsp), %rax
 450         movl    40(%rsp,%rax,4), %edi
 451         call    __close_nocancel
 452         movq    __libc_errno@gottpoff(%rip), %rax
 453         movl    $12, %fs:(%rax)
 454 .L91:
 455         xorl    %eax, %eax
 456         jmp     .L44
 457         .p2align 4,,10
 458         .p2align 3
 459 .L58:
 460         leaq    unlock(%rip), %rax
 461         movq    $0, 56(%rsp)
 462         movq    %rax, 48(%rsp)
 463         jmp     .L59
 464         .p2align 4,,10
 465         .p2align 3
 466 .L56:
 467         movq    8(%rsp), %rax
 468         movl    40(%rsp,%rax,4), %edi
 469         call    __close_nocancel
 470         movq    8(%rsp), %rax
 471         movl    %r15d, %esi
 472         movl    %r15d, 40(%rsp,%rax,4)
 473         jmp     .L55
 474         .p2align 4,,10
 475         .p2align 3
 476 .L95:
 477         movq    8(%rsp), %rax
 478         movl    40(%rsp,%rax,4), %edi
 479         call    __close_nocancel
 480         movslq  20(%rsp), %rax
 481         movq    24(%rsp), %rcx
 482         testl   %ebp, %ebp
 483         leaq    (%rcx,%rax,4), %r13
 484         jne     .L69
 485         movl    0(%r13), %edi
 486         xorl    %edx, %edx
 487         movl    $2, %esi
 488         xorl    %eax, %eax
 489         call    __fcntl
 490 .L69:
 491         movl    0(%r13), %eax
 492         movl    $1, %ebp
 493         movl    %eax, 112(%rbx)
 494         movq    proc_file_chain(%rip), %rax
 495         movq    %rbx, proc_file_chain(%rip)
 496         movq    %rax, 232(%rbx)
 497         jmp     .L67
 498 .L61:
 499         xorl    %eax, %eax
 500         movl    $1, %esi
 501         lock cmpxchgl   %esi, proc_file_chain_lock(%rip)
 502         je      .L62
 503         leaq    proc_file_chain_lock(%rip), %rdi
 504         call    __lll_lock_wait_private
 505         jmp     .L62
 506 .L72:
 507 #APP
 508 # 200 "iopopen.c" 1
 509         xchgl %eax, proc_file_chain_lock(%rip)
 510 # 0 "" 2
 511 #NO_APP
 512         cmpl    $1, %eax
 513         jle     .L71
 514         xorl    %r10d, %r10d
 515         movl    $1, %edx
 516         movl    $129, %esi
 517         leaq    proc_file_chain_lock(%rip), %rdi
 518         movl    $202, %eax
 519 #APP
 520 # 200 "iopopen.c" 1
 521         syscall
 522
 523 # 0 "" 2
 524 #NO_APP
 525         jmp     .L71
 526         .size   _IO_new_proc_open, .-_IO_new_proc_open
 527         .weak   _IO_proc_open
 528         .set    _IO_proc_open,_IO_new_proc_open
 529         .p2align 4,,15
 530         .globl  _IO_new_popen
 531         .type   _IO_new_popen, @function
 532 _IO_new_popen:
 533         pushq   %r12
 534         pushq   %rbp
 535         movq    %rdi, %rbp
 536         pushq   %rbx
 537         movl    $256, %edi
 538         movq    %rsi, %r12
 539         call    malloc@PLT
 540         testq   %rax, %rax
 541         je      .L98
 542         leaq    240(%rax), %rdx
 543         xorl    %esi, %esi
 544         movq    %rax, %rdi
 545         movq    %rax, %rbx
 546         movq    %rdx, 136(%rax)
 547         call    _IO_init_internal
 548         leaq    _IO_proc_jumps(%rip), %rax
 549         movq    %rbx, %rdi
 550         movq    %rax, 216(%rbx)
 551         call    _IO_new_file_init_internal
 552         movq    %r12, %rdx
 553         movq    %rbp, %rsi
 554         movq    %rbx, %rdi
 555         call    _IO_new_proc_open
 556         testq   %rax, %rax
 557         je      .L100
 558 .L96:
 559         movq    %rbx, %rax
 560         popq    %rbx
 561         popq    %rbp
 562         popq    %r12
 563         ret
 564         .p2align 4,,10
 565         .p2align 3
 566 .L98:
 567         xorl    %ebx, %ebx
 568         jmp     .L96
 569         .p2align 4,,10
 570         .p2align 3
 571 .L100:
 572         movq    %rbx, %rdi
 573         call    _IO_un_link
 574         movq    %rbx, %rdi
 575         xorl    %ebx, %ebx
 576         call    free@PLT
 577         jmp     .L96
 578         .size   _IO_new_popen, .-_IO_new_popen
 579         .weak   _IO_popen
 580         .set    _IO_popen,_IO_new_popen
 581         .globl  __new_popen
 582         .set    __new_popen,_IO_new_popen
 583         .weak   popen
 584         .set    popen,__new_popen
 585         .local  proc_file_chain_lock
 586         .comm   proc_file_chain_lock,16,16
 587         .local  proc_file_chain
 588         .comm   proc_file_chain,8,8
 589         .section        __libc_IO_vtables,"aw",@progbits
 590         .align 32
 591         .type   _IO_proc_jumps, @object
 592         .size   _IO_proc_jumps, 168
 593 _IO_proc_jumps:
 594         .quad   0
 595         .quad   0
 596         .quad   _IO_new_file_finish
 597         .quad   _IO_new_file_overflow
 598         .quad   _IO_new_file_underflow
 599         .quad   _IO_default_uflow
 600         .quad   _IO_default_pbackfail
 601         .quad   _IO_new_file_xsputn
 602         .quad   _IO_default_xsgetn
 603         .quad   _IO_new_file_seekoff
 604         .quad   _IO_default_seekpos
 605         .quad   _IO_new_file_setbuf
 606         .quad   _IO_new_file_sync
 607         .quad   _IO_file_doallocate
 608         .quad   _IO_file_read
 609         .quad   _IO_new_file_write
 610         .quad   _IO_file_seek
 611         .quad   _IO_new_proc_close
 612         .quad   _IO_file_stat
 613         .quad   _IO_default_showmanyc
 614         .quad   _IO_default_imbue
 615         .weak   __pthread_setcancelstate
 616         .weak   _pthread_cleanup_pop_restore
 617         .weak   _pthread_cleanup_push_defer
 618         .hidden _IO_file_stat
 619         .hidden _IO_file_seek
 620         .hidden _IO_file_read
 621         .hidden _IO_file_doallocate
 622         .hidden _IO_default_xsgetn
 623         .hidden _IO_default_pbackfail
 624         .hidden _IO_default_uflow
 625         .hidden _IO_un_link
 626         .hidden _IO_new_file_init_internal
 627         .hidden _IO_init_internal
 628         .hidden __fcntl
 629         .hidden __posix_spawn_file_actions_destroy
 630         .hidden __posix_spawn
 631         .hidden __posix_spawn_file_actions_addclose
 632         .hidden __posix_spawn_file_actions_adddup2
 633         .hidden __posix_spawn_file_actions_init
 634         .hidden __pipe2
 635         .hidden __lll_lock_wait_private
 636         .hidden __waitpid
 637         .hidden __close_nocancel