1 /* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $Id$ 30 */ 31 32 #ifdef HAVE_CONFIG_H 33 #include "config.h" 34 #endif 35 36 #ifdef linux 37 #include <features.h> 38 #endif 39 40 #ifdef _LARGEFILE64_SOURCE 41 /* This is the macro everything checks before using foo64 names. */ 42 # ifndef _LFS64_LARGEFILE 43 # define _LFS64_LARGEFILE 1 44 # endif 45 #endif 46 47 /* configuration section */ 48 #ifndef MAX_QUALS 49 #if defined(LINUX) && defined(MIPS) 50 #define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */ 51 #else 52 #define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */ 53 #endif 54 #endif 55 #ifndef DEFAULT_STRLEN 56 #define DEFAULT_STRLEN 32 /* default maximum # of bytes printed in 57 `printstr', change with `-s' switch */ 58 #endif 59 #ifndef DEFAULT_ACOLUMN 60 #define DEFAULT_ACOLUMN 40 /* default alignment column for results */ 61 #endif 62 #ifndef MAX_ARGS 63 # ifdef HPPA 64 # define MAX_ARGS 6 /* maximum number of args to a syscall */ 65 # else 66 # define MAX_ARGS 32 /* maximum number of args to a syscall */ 67 # endif 68 #endif 69 #ifndef DEFAULT_SORTBY 70 #define DEFAULT_SORTBY "time" /* default sorting method for call profiling */ 71 #endif 72 73 #include <sys/types.h> 74 #include <unistd.h> 75 #include <stdlib.h> 76 #include <stdio.h> 77 #include <ctype.h> 78 #include <string.h> 79 #include <time.h> 80 #include <sys/time.h> 81 #include <errno.h> 82 83 #ifdef HAVE_STDBOOL_H 84 #include <stdbool.h> 85 #endif 86 87 #ifdef STDC_HEADERS 88 #include <stddef.h> 89 #endif /* STDC_HEADERS */ 90 91 #ifdef HAVE_SIGINFO_T 92 #include <signal.h> 93 #endif 94 95 #if defined(LINUX) 96 # if defined(SPARC) || defined(SPARC64) 97 # define LINUXSPARC 98 # endif 99 # if defined(X86_64) 100 # define LINUX_X86_64 101 # endif 102 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 103 # define LINUX_MIPSO32 104 # endif 105 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 106 # define LINUX_MIPSN32 107 # define LINUX_MIPS64 108 # endif 109 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 110 # define LINUX_MIPSN64 111 # define LINUX_MIPS64 112 # endif 113 # if defined(ARM) 114 # define LINUX_ARM 115 # endif 116 # if defined(AVR32) 117 # define LINUX_AVR32 118 # endif 119 #endif 120 121 #if defined(SVR4) || defined(FREEBSD) 122 #define USE_PROCFS 123 #else 124 #undef USE_PROCFS 125 #endif 126 127 #ifdef FREEBSD 128 #ifndef I386 129 #error "FreeBSD support is only for i386 arch right now." 130 #endif 131 #include <machine/psl.h> 132 #include <machine/reg.h> 133 #include <sys/syscall.h> 134 #endif 135 136 #ifdef USE_PROCFS 137 #include <sys/procfs.h> 138 #ifdef HAVE_MP_PROCFS 139 #include <sys/uio.h> 140 #endif 141 #ifdef FREEBSD 142 #include <sys/pioctl.h> 143 #endif /* FREEBSD */ 144 #else /* !USE_PROCFS */ 145 #if (defined(LINUXSPARC) || defined(LINUX_X86_64) || defined(LINUX_ARM) || defined(LINUX_AVR32)) && defined(__GLIBC__) 146 #include <sys/ptrace.h> 147 #else 148 /* Work around awkward prototype in ptrace.h. */ 149 #define ptrace xptrace 150 #include <sys/ptrace.h> 151 #undef ptrace 152 #ifdef POWERPC 153 #define __KERNEL__ 154 #include <asm/ptrace.h> 155 #undef __KERNEL__ 156 #endif 157 #ifdef LINUX 158 extern long ptrace(int, int, char *, long); 159 #else /* !LINUX */ 160 extern int ptrace(int, int, char *, int, ...); 161 #endif /* !LINUX */ 162 #endif /* !LINUXSPARC */ 163 #endif /* !SVR4 */ 164 165 #ifdef LINUX 166 #if !defined(__GLIBC__) 167 #define PTRACE_PEEKUSER PTRACE_PEEKUSR 168 #define PTRACE_POKEUSER PTRACE_POKEUSR 169 #endif 170 #ifdef ALPHA 171 # define REG_R0 0 172 # define REG_A0 16 173 # define REG_A3 19 174 # define REG_FP 30 175 # define REG_PC 64 176 #endif /* ALPHA */ 177 #ifdef MIPS 178 # define REG_V0 2 179 # define REG_A0 4 180 # define REG_A3 7 181 # define REG_SP 29 182 # define REG_EPC 64 183 #endif /* MIPS */ 184 #ifdef HPPA 185 # define PT_GR20 (20*4) 186 # define PT_GR26 (26*4) 187 # define PT_GR28 (28*4) 188 # define PT_IAOQ0 (106*4) 189 # define PT_IAOQ1 (107*4) 190 #endif /* HPPA */ 191 #ifdef SH64 192 /* SH64 Linux - this code assumes the following kernel API for system calls: 193 PC Offset 0 194 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 195 where n = no. of parameters. 196 Other regs Offset 24+ 197 198 On entry: R2-7 = parameters 1-6 (as many as necessary) 199 On return: R9 = result. */ 200 201 /* Offset for peeks of registers */ 202 # define REG_OFFSET (24) 203 # define REG_GENERAL(x) (8*(x)+REG_OFFSET) 204 # define REG_PC (0*8) 205 # define REG_SYSCALL (2*8) 206 #endif /* SH64 */ 207 #endif /* LINUX */ 208 209 #define SUPPORTED_PERSONALITIES 1 210 #define DEFAULT_PERSONALITY 0 211 212 #ifdef LINUXSPARC 213 /* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off 214 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ 215 #define U_REG_G1 0 216 #define U_REG_O0 7 217 #define U_REG_O1 8 218 #define PERSONALITY0_WORDSIZE 4 219 #define PERSONALITY1_WORDSIZE 4 220 #undef SUPPORTED_PERSONALITIES 221 #if defined(SPARC64) 222 #include <asm/psrcompat.h> 223 #define SUPPORTED_PERSONALITIES 3 224 #define PERSONALITY2_WORDSIZE 8 225 #else 226 #include <asm/psr.h> 227 #define SUPPORTED_PERSONALITIES 2 228 #endif /* SPARC64 */ 229 #endif /* LINUXSPARC */ 230 231 #ifdef X86_64 232 #undef SUPPORTED_PERSONALITIES 233 #define SUPPORTED_PERSONALITIES 2 234 #define PERSONALITY0_WORDSIZE 8 235 #define PERSONALITY1_WORDSIZE 4 236 #endif 237 238 #ifdef ARM 239 #undef SUPPORTED_PERSONALITIES 240 #define SUPPORTED_PERSONALITIES 2 241 #define PERSONALITY0_WORDSIZE 4 242 #define PERSONALITY1_WORDSIZE 4 243 #endif 244 245 #ifdef POWERPC64 246 #undef SUPPORTED_PERSONALITIES 247 #define SUPPORTED_PERSONALITIES 2 248 #define PERSONALITY0_WORDSIZE 8 249 #define PERSONALITY1_WORDSIZE 4 250 #endif 251 252 #ifdef SVR4 253 #ifdef HAVE_MP_PROCFS 254 extern int mp_ioctl (int f, int c, void *a, int s); 255 #define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 256 #define IOCTL_STATUS(t) \ 257 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 258 #define IOCTL_WSTOP(t) \ 259 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 260 IOCTL_STATUS (t)) 261 #define PR_WHY pr_lwp.pr_why 262 #define PR_WHAT pr_lwp.pr_what 263 #define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 264 #define PR_FLAGS pr_lwp.pr_flags 265 #define PR_SYSCALL pr_lwp.pr_syscall 266 #define PR_INFO pr_lwp.pr_info 267 #define PIOCSTIP PCSTOP 268 #define PIOCSET PCSET 269 #define PIOCRESET PCRESET 270 #define PIOCSTRACE PCSTRACE 271 #define PIOCSFAULT PCSFAULT 272 #define PIOCWSTOP PCWSTOP 273 #define PIOCSTOP PCSTOP 274 #define PIOCSENTRY PCSENTRY 275 #define PIOCSEXIT PCSEXIT 276 #define PIOCRUN PCRUN 277 #else 278 #define IOCTL ioctl 279 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 280 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 281 #define PR_WHY pr_why 282 #define PR_WHAT pr_what 283 #define PR_REG pr_reg 284 #define PR_FLAGS pr_flags 285 #define PR_SYSCALL pr_syscall 286 #define PR_INFO pr_info 287 #endif 288 #endif 289 #ifdef FREEBSD 290 #define IOCTL ioctl 291 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 292 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 293 #define PIOCRUN PIOCCONT 294 #define PIOCWSTOP PIOCWAIT 295 #define PR_WHY why 296 #define PR_WHAT val 297 #define PR_FLAGS state 298 /* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 299 status.state = 0 for running, 1 for stopped */ 300 #define PR_ASLEEP 1 301 #define PR_SYSENTRY S_SCE 302 #define PR_SYSEXIT S_SCX 303 #define PR_SIGNALLED S_SIG 304 #define PR_FAULTED S_CORE 305 #endif 306 307 #ifdef LINUX 308 # if !HAVE_DECL_PTRACE_SETOPTIONS 309 # define PTRACE_SETOPTIONS 0x4200 310 # endif 311 # if !HAVE_DECL_PTRACE_GETEVENTMSG 312 # define PTRACE_GETEVENTMSG 0x4201 313 # endif 314 # if !HAVE_DECL_PTRACE_GETSIGINFO 315 # define PTRACE_GETSIGINFO 0x4202 316 # endif 317 # if !HAVE_DECL_PTRACE_O_TRACEFORK 318 # define PTRACE_O_TRACEFORK 0x00000002 319 # endif 320 # if !HAVE_DECL_PTRACE_O_TRACEVFORK 321 # define PTRACE_O_TRACEVFORK 0x00000004 322 # endif 323 # if !HAVE_DECL_PTRACE_O_TRACECLONE 324 # define PTRACE_O_TRACECLONE 0x00000008 325 # endif 326 327 # if !HAVE_DECL_PTRACE_EVENT_FORK 328 # define PTRACE_EVENT_FORK 1 329 # endif 330 # if !HAVE_DECL_PTRACE_EVENT_VFORK 331 # define PTRACE_EVENT_VFORK 2 332 # endif 333 # if !HAVE_DECL_PTRACE_EVENT_CLONE 334 # define PTRACE_EVENT_CLONE 3 335 # endif 336 #endif /* LINUX */ 337 338 /* Trace Control Block */ 339 struct tcb { 340 short flags; /* See below for TCB_ values */ 341 int pid; /* Process Id of this entry */ 342 long scno; /* System call number */ 343 int u_nargs; /* System call arguments */ 344 long u_arg[MAX_ARGS]; /* System call arguments */ 345 #if defined (LINUX_MIPSN32) 346 long long ext_arg[MAX_ARGS]; /* System call arguments */ 347 #endif 348 int u_error; /* Error code */ 349 long u_rval; /* (first) return value */ 350 #ifdef HAVE_LONG_LONG 351 long long u_lrval; /* long long return value */ 352 #endif 353 FILE *outf; /* Output file for this process */ 354 int curcol; /* Output column for this process */ 355 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 356 struct timeval stime; /* System time usage as of last process wait */ 357 struct timeval dtime; /* Delta for system time usage */ 358 struct timeval etime; /* Syscall entry time */ 359 /* Support for tracing forked processes */ 360 struct tcb *parent; /* Parent of this process */ 361 int nchildren; /* # of traced children */ 362 int waitpid; /* pid(s) this process is waiting for */ 363 int nzombies; /* # of formerly traced children now dead */ 364 #ifdef LINUX 365 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 366 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 367 #endif 368 /* (1st arg of wait4()) */ 369 long baddr; /* `Breakpoint' address */ 370 long inst[2]; /* Instructions on above */ 371 int pfd; /* proc file descriptor */ 372 #ifdef SVR4 373 #ifdef HAVE_MP_PROCFS 374 int pfd_stat; 375 int pfd_as; 376 pstatus_t status; 377 #else 378 prstatus_t status; /* procfs status structure */ 379 #endif 380 #endif 381 int ptrace_errno; 382 #ifdef FREEBSD 383 struct procfs_status status; 384 int pfd_reg; 385 int pfd_status; 386 #endif 387 }; 388 389 /* TCB flags */ 390 #define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 391 #define TCB_INUSE 00002 /* This table entry is in use */ 392 #define TCB_INSYSCALL 00004 /* A system call is in progress */ 393 #define TCB_ATTACHED 00010 /* Process is not our own child */ 394 #define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 395 #define TCB_SUSPENDED 00040 /* Process can not be allowed to resume just now */ 396 #define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 397 #define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 398 #define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 399 #define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 400 #ifdef LINUX 401 /* x86 does not need TCB_WAITEXECVE. 402 * It can detect execve's SIGTRAP by looking at eax/rax. 403 * See "stray syscall exit: eax = " message in syscall_fixup(). 404 */ 405 # if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ 406 || defined(POWERPC) || defined(IA64) || defined(HPPA) \ 407 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ 408 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) 409 # define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 410 # endif 411 # define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 412 # define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 413 # include <sys/syscall.h> 414 # ifndef __NR_exit_group 415 # /* Hack: Most headers around are too old to have __NR_exit_group. */ 416 # ifdef ALPHA 417 # define __NR_exit_group 405 418 # elif defined I386 419 # define __NR_exit_group 252 420 # elif defined X86_64 421 # define __NR_exit_group 231 422 # elif defined IA64 423 # define __NR_exit_group 1236 424 # elif defined POWERPC 425 # define __NR_exit_group 234 426 # elif defined S390 || defined S390X 427 # define __NR_exit_group 248 428 # elif defined SPARC || defined SPARC64 429 # define __NR_exit_group 188 430 # elif defined M68K 431 # define __NR_exit_group 247 432 # endif /* ALPHA et al */ 433 # endif /* !__NR_exit_group */ 434 #endif /* LINUX */ 435 436 /* qualifier flags */ 437 #define QUAL_TRACE 0001 /* this system call should be traced */ 438 #define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 439 #define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 440 #define QUAL_RAW 0010 /* print all args in hex for this syscall */ 441 #define QUAL_SIGNAL 0020 /* report events with this signal */ 442 #define QUAL_FAULT 0040 /* report events with this fault */ 443 #define QUAL_READ 0100 /* dump data read on this file descriptor */ 444 #define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 445 446 #define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 447 #define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 448 #define syserror(tcp) ((tcp)->u_error != 0) 449 #define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 450 #define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 451 452 struct xlat { 453 int val; 454 const char *str; 455 }; 456 457 extern const struct xlat open_mode_flags[]; 458 extern const struct xlat addrfams[]; 459 extern const struct xlat struct_user_offsets[]; 460 extern const struct xlat open_access_modes[]; 461 462 /* Format of syscall return values */ 463 #define RVAL_DECIMAL 000 /* decimal format */ 464 #define RVAL_HEX 001 /* hex format */ 465 #define RVAL_OCTAL 002 /* octal format */ 466 #define RVAL_UDECIMAL 003 /* unsigned decimal format */ 467 #define RVAL_LDECIMAL 004 /* long decimal format */ 468 #define RVAL_LHEX 005 /* long hex format */ 469 #define RVAL_LOCTAL 006 /* long octal format */ 470 #define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 471 #define RVAL_MASK 007 /* mask for these values */ 472 473 #define RVAL_STR 010 /* Print `auxstr' field after return val */ 474 #define RVAL_NONE 020 /* Print nothing */ 475 476 #ifndef offsetof 477 #define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 478 ((char *) (type *) NULL)) 479 #endif /* !offsetof */ 480 481 /* get offset of member within a user struct */ 482 #define uoff(member) offsetof(struct user, member) 483 484 #define TRACE_FILE 001 /* Trace file-related syscalls. */ 485 #define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 486 #define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 487 #define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 488 #define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 489 #define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 490 #define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ 491 492 typedef enum { 493 CFLAG_NONE = 0, 494 CFLAG_ONLY_STATS, 495 CFLAG_BOTH 496 } cflag_t; 497 498 extern struct tcb **tcbtab; 499 extern int *qual_flags; 500 extern int debug, followfork; 501 extern unsigned int ptrace_setoptions; 502 extern int dtime, xflag, qflag; 503 extern cflag_t cflag; 504 extern int acolumn; 505 extern unsigned int nprocs, tcbtabsize; 506 extern int max_strlen; 507 extern struct tcb *tcp_last; 508 509 enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 510 511 extern int set_personality(int personality); 512 extern const char *xlookup(const struct xlat *, int); 513 extern struct tcb *alloc_tcb(int, int); 514 extern struct tcb *pid2tcb(int); 515 extern void droptcb(struct tcb *); 516 extern void expand_tcbtab(void); 517 518 #define alloctcb(pid) alloc_tcb((pid), 1) 519 520 extern void set_sortby(const char *); 521 extern void set_overhead(int); 522 extern void qualify(const char *); 523 extern int get_scno(struct tcb *); 524 extern long known_scno(struct tcb *); 525 extern long do_ptrace(int request, struct tcb *tcp, void *addr, void *data); 526 extern int ptrace_restart(int request, struct tcb *tcp, int sig); 527 extern int force_result(struct tcb *, int, long); 528 extern int trace_syscall(struct tcb *); 529 extern int count_syscall(struct tcb *, struct timeval *); 530 extern void printxval(const struct xlat *, int, const char *); 531 extern int printargs(struct tcb *); 532 extern int addflags(const struct xlat *, int); 533 extern int printflags(const struct xlat *, int, const char *); 534 extern const char *sprintflags(const char *, const struct xlat *, int); 535 extern int umoven(struct tcb *, long, int, char *); 536 extern int umovestr(struct tcb *, long, int, char *); 537 extern int upeek(struct tcb *, long, long *); 538 extern void dumpiov(struct tcb *, int, long); 539 extern void dumpstr(struct tcb *, long, int); 540 extern void printstr(struct tcb *, long, int); 541 extern void printnum(struct tcb *, long, const char *); 542 extern void printnum_int(struct tcb *, long, const char *); 543 extern void printpath(struct tcb *, long); 544 extern void printpathn(struct tcb *, long, int); 545 extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); 546 extern void sprinttv(struct tcb *, long, enum bitness_t, char *); 547 extern void print_timespec(struct tcb *, long); 548 extern void sprint_timespec(char *, struct tcb *, long); 549 #ifdef HAVE_SIGINFO_T 550 extern void printsiginfo(siginfo_t *, int); 551 #endif 552 extern void printfd(struct tcb *, int); 553 extern void printsock(struct tcb *, long, int); 554 extern void print_sock_optmgmt(struct tcb *, long, int); 555 extern void printrusage(struct tcb *, long); 556 extern void printuid(const char *, unsigned long); 557 extern int clearbpt(struct tcb *); 558 extern int setbpt(struct tcb *); 559 extern int sigishandled(struct tcb *, int); 560 extern void printcall(struct tcb *); 561 extern const char *signame(int); 562 extern void print_sigset(struct tcb *, long, int); 563 extern void printsignal(int); 564 extern void printleader(struct tcb *); 565 extern void printtrailer(void); 566 extern void tabto(int); 567 extern void call_summary(FILE *); 568 extern void tprint_iov(struct tcb *, unsigned long, unsigned long); 569 extern void tprint_open_modes(mode_t); 570 extern const char *sprint_open_modes(mode_t); 571 extern int is_restart_error(struct tcb *); 572 573 extern int change_syscall(struct tcb *, int); 574 extern int internal_fork(struct tcb *); 575 extern int internal_exec(struct tcb *); 576 extern int internal_wait(struct tcb *, int); 577 extern int internal_exit(struct tcb *); 578 #ifdef LINUX 579 extern int handle_new_child(struct tcb *, int, int); 580 #endif 581 582 extern const struct ioctlent *ioctl_lookup(long); 583 extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); 584 extern int ioctl_decode(struct tcb *, long, long); 585 extern int term_ioctl(struct tcb *, long, long); 586 extern int sock_ioctl(struct tcb *, long, long); 587 extern int proc_ioctl(struct tcb *, int, int); 588 extern int stream_ioctl(struct tcb *, int, int); 589 #ifdef LINUX 590 extern int rtc_ioctl(struct tcb *, long, long); 591 extern int scsi_ioctl(struct tcb *, long, long); 592 extern int block_ioctl(struct tcb *, long, long); 593 #endif 594 595 extern int tv_nz(struct timeval *); 596 extern int tv_cmp(struct timeval *, struct timeval *); 597 extern double tv_float(struct timeval *); 598 extern void tv_add(struct timeval *, struct timeval *, struct timeval *); 599 extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); 600 extern void tv_mul(struct timeval *, struct timeval *, int); 601 extern void tv_div(struct timeval *, struct timeval *, int); 602 603 #ifdef SUNOS4 604 extern int fixvfork(struct tcb *); 605 #endif 606 #if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64) \ 607 && !defined(SH)) 608 extern long getrval2(struct tcb *); 609 #endif 610 #ifdef USE_PROCFS 611 extern int proc_open(struct tcb *tcp, int attaching); 612 #endif 613 614 #define umove(pid, addr, objp) \ 615 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 616 617 #define printtv(tcp, addr) \ 618 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 619 #define printtv_special(tcp, addr) \ 620 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 621 622 extern void tprintf(const char *fmt, ...) 623 #ifdef __GNUC__ 624 __attribute__ ((format (printf, 1, 2))) 625 #endif 626 ; 627 628 #ifndef HAVE_STRERROR 629 const char *strerror(int); 630 #endif 631 #ifndef HAVE_STRSIGNAL 632 const char *strsignal(int); 633 #endif 634 635 extern int current_personality; 636 extern const int personality_wordsize[]; 637 638 struct sysent { 639 int nargs; 640 int sys_flags; 641 int (*sys_func)(); 642 const char *sys_name; 643 long native_scno; /* Match against SYS_* constants. */ 644 }; 645 646 extern const struct sysent *sysent; 647 extern int nsyscalls; 648 649 extern const char *const *errnoent; 650 extern int nerrnos; 651 652 struct ioctlent { 653 const char *doth; 654 const char *symbol; 655 unsigned long code; 656 }; 657 658 extern const struct ioctlent *ioctlent; 659 extern int nioctlents; 660 661 extern const char *const *signalent; 662 extern int nsignals; 663 664 extern const struct ioctlent ioctlent0[]; 665 extern const int nioctlents0; 666 extern const char *const signalent0[]; 667 extern const int nsignals0; 668 669 #if SUPPORTED_PERSONALITIES >= 2 670 extern const struct ioctlent ioctlent1[]; 671 extern const int nioctlents1; 672 extern const char *const signalent1[]; 673 extern const int nsignals1; 674 #endif /* SUPPORTED_PERSONALITIES >= 2 */ 675 676 #if SUPPORTED_PERSONALITIES >= 3 677 extern const struct ioctlent ioctlent2[]; 678 extern const int nioctlents2; 679 extern const char *const signalent2[]; 680 extern const int nsignals2; 681 #endif /* SUPPORTED_PERSONALITIES >= 3 */ 682 683 #if HAVE_LONG_LONG 684 685 /* _l refers to the lower numbered u_arg, 686 * _h refers to the higher numbered u_arg 687 */ 688 689 #if HAVE_LITTLE_ENDIAN_LONG_LONG 690 #define LONG_LONG(_l,_h) \ 691 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 692 #else 693 #define LONG_LONG(_l,_h) \ 694 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 695 #endif 696 697 extern int printllval(struct tcb *, const char *, int); 698 #endif 699 700 #ifdef IA64 701 extern long ia32; 702 #endif 703 704 extern int not_failing_only; 705
