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 MIPS 37 #include <sgidefs.h> 38 #endif 39 40 #ifdef linux 41 #include <features.h> 42 #endif 43 44 #ifdef _LARGEFILE64_SOURCE 45 /* This is the macro everything checks before using foo64 names. */ 46 # ifndef _LFS64_LARGEFILE 47 # define _LFS64_LARGEFILE 1 48 # endif 49 #endif 50 51 /* configuration section */ 52 #ifndef MAX_QUALS 53 #if defined(LINUX) && defined(MIPS) 54 #define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */ 55 #else 56 #define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */ 57 #endif 58 #endif 59 #ifndef DEFAULT_STRLEN 60 #define DEFAULT_STRLEN 32 /* default maximum # of bytes printed in 61 `printstr', change with `-s' switch */ 62 #endif 63 #ifndef DEFAULT_ACOLUMN 64 #define DEFAULT_ACOLUMN 40 /* default alignment column for results */ 65 #endif 66 #ifndef MAX_ARGS 67 # ifdef HPPA 68 # define MAX_ARGS 6 /* maximum number of args to a syscall */ 69 # else 70 # define MAX_ARGS 32 /* maximum number of args to a syscall */ 71 # endif 72 #endif 73 #ifndef DEFAULT_SORTBY 74 #define DEFAULT_SORTBY "time" /* default sorting method for call profiling */ 75 #endif 76 77 #include <sys/types.h> 78 #include <unistd.h> 79 #include <stdlib.h> 80 #include <stdio.h> 81 #include <ctype.h> 82 #include <string.h> 83 #include <time.h> 84 #include <sys/time.h> 85 #include <errno.h> 86 87 #ifdef HAVE_STDBOOL_H 88 #include <stdbool.h> 89 #endif 90 91 #ifdef STDC_HEADERS 92 #include <stddef.h> 93 #endif /* STDC_HEADERS */ 94 95 #ifdef HAVE_SIGINFO_T 96 #include <signal.h> 97 #endif 98 99 #if defined(LINUX) 100 # if defined(SPARC) || defined(SPARC64) 101 # define LINUXSPARC 102 # endif 103 # if defined(X86_64) 104 # define LINUX_X86_64 105 # endif 106 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 107 # define LINUX_MIPSO32 108 # endif 109 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 110 # define LINUX_MIPSN32 111 # define LINUX_MIPS64 112 # endif 113 # if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 114 # define LINUX_MIPSN64 115 # define LINUX_MIPS64 116 # endif 117 # if defined(ARM) 118 # define LINUX_ARM 119 # endif 120 # if defined(AVR32) 121 # define LINUX_AVR32 122 # endif 123 #endif 124 125 #if defined(SVR4) || defined(FREEBSD) 126 #define USE_PROCFS 127 #else 128 #undef USE_PROCFS 129 #endif 130 131 #ifdef FREEBSD 132 #ifndef I386 133 #error "FreeBSD support is only for i386 arch right now." 134 #endif 135 #include <machine/psl.h> 136 #include <machine/reg.h> 137 #include <sys/syscall.h> 138 #endif 139 140 #ifdef USE_PROCFS 141 #include <sys/procfs.h> 142 #ifdef HAVE_MP_PROCFS 143 #include <sys/uio.h> 144 #endif 145 #ifdef FREEBSD 146 #include <sys/pioctl.h> 147 #endif /* FREEBSD */ 148 #else /* !USE_PROCFS */ 149 #if (defined(LINUXSPARC) || defined(LINUX_X86_64) || defined(LINUX_ARM) || defined(LINUX_AVR32)) && defined(__GLIBC__) 150 #include <sys/ptrace.h> 151 #else 152 /* Work around awkward prototype in ptrace.h. */ 153 #define ptrace xptrace 154 #include <sys/ptrace.h> 155 #undef ptrace 156 #ifdef POWERPC 157 #define __KERNEL__ 158 #include <asm/ptrace.h> 159 #undef __KERNEL__ 160 #endif 161 #ifdef LINUX 162 extern long ptrace(int, int, char *, long); 163 #else /* !LINUX */ 164 extern int ptrace(int, int, char *, int, ...); 165 #endif /* !LINUX */ 166 #endif /* !LINUXSPARC */ 167 #endif /* !SVR4 */ 168 169 #ifdef LINUX 170 #if !defined(__GLIBC__) 171 #define PTRACE_PEEKUSER PTRACE_PEEKUSR 172 #define PTRACE_POKEUSER PTRACE_POKEUSR 173 #endif 174 #ifdef ALPHA 175 # define REG_R0 0 176 # define REG_A0 16 177 # define REG_A3 19 178 # define REG_FP 30 179 # define REG_PC 64 180 #endif /* ALPHA */ 181 #ifdef MIPS 182 # define REG_V0 2 183 # define REG_A0 4 184 # define REG_A3 7 185 # define REG_SP 29 186 # define REG_EPC 64 187 #endif /* MIPS */ 188 #ifdef HPPA 189 # define PT_GR20 (20*4) 190 # define PT_GR26 (26*4) 191 # define PT_GR28 (28*4) 192 # define PT_IAOQ0 (106*4) 193 # define PT_IAOQ1 (107*4) 194 #endif /* HPPA */ 195 #ifdef SH64 196 /* SH64 Linux - this code assumes the following kernel API for system calls: 197 PC Offset 0 198 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 199 where n = no. of parameters. 200 Other regs Offset 24+ 201 202 On entry: R2-7 = parameters 1-6 (as many as necessary) 203 On return: R9 = result. */ 204 205 /* Offset for peeks of registers */ 206 # define REG_OFFSET (24) 207 # define REG_GENERAL(x) (8*(x)+REG_OFFSET) 208 # define REG_PC (0*8) 209 # define REG_SYSCALL (2*8) 210 #endif /* SH64 */ 211 #endif /* LINUX */ 212 213 #define SUPPORTED_PERSONALITIES 1 214 #define DEFAULT_PERSONALITY 0 215 216 #ifdef LINUXSPARC 217 /* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off 218 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ 219 #define U_REG_G1 0 220 #define U_REG_O0 7 221 #define U_REG_O1 8 222 #define PERSONALITY0_WORDSIZE 4 223 #define PERSONALITY1_WORDSIZE 4 224 #undef SUPPORTED_PERSONALITIES 225 #if defined(SPARC64) 226 #include <asm/psrcompat.h> 227 #define SUPPORTED_PERSONALITIES 3 228 #define PERSONALITY2_WORDSIZE 8 229 #else 230 #include <asm/psr.h> 231 #define SUPPORTED_PERSONALITIES 2 232 #endif /* SPARC64 */ 233 #endif /* LINUXSPARC */ 234 235 #ifdef X86_64 236 #undef SUPPORTED_PERSONALITIES 237 #define SUPPORTED_PERSONALITIES 2 238 #define PERSONALITY0_WORDSIZE 8 239 #define PERSONALITY1_WORDSIZE 4 240 #endif 241 242 #ifdef ARM 243 #undef SUPPORTED_PERSONALITIES 244 #define SUPPORTED_PERSONALITIES 2 245 #define PERSONALITY0_WORDSIZE 4 246 #define PERSONALITY1_WORDSIZE 4 247 #endif 248 249 #ifdef POWERPC64 250 #undef SUPPORTED_PERSONALITIES 251 #define SUPPORTED_PERSONALITIES 2 252 #define PERSONALITY0_WORDSIZE 8 253 #define PERSONALITY1_WORDSIZE 4 254 #endif 255 256 #ifdef SVR4 257 #ifdef HAVE_MP_PROCFS 258 extern int mp_ioctl (int f, int c, void *a, int s); 259 #define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 260 #define IOCTL_STATUS(t) \ 261 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 262 #define IOCTL_WSTOP(t) \ 263 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 264 IOCTL_STATUS (t)) 265 #define PR_WHY pr_lwp.pr_why 266 #define PR_WHAT pr_lwp.pr_what 267 #define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 268 #define PR_FLAGS pr_lwp.pr_flags 269 #define PR_SYSCALL pr_lwp.pr_syscall 270 #define PR_INFO pr_lwp.pr_info 271 #define PIOCSTIP PCSTOP 272 #define PIOCSET PCSET 273 #define PIOCRESET PCRESET 274 #define PIOCSTRACE PCSTRACE 275 #define PIOCSFAULT PCSFAULT 276 #define PIOCWSTOP PCWSTOP 277 #define PIOCSTOP PCSTOP 278 #define PIOCSENTRY PCSENTRY 279 #define PIOCSEXIT PCSEXIT 280 #define PIOCRUN PCRUN 281 #else 282 #define IOCTL ioctl 283 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 284 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 285 #define PR_WHY pr_why 286 #define PR_WHAT pr_what 287 #define PR_REG pr_reg 288 #define PR_FLAGS pr_flags 289 #define PR_SYSCALL pr_syscall 290 #define PR_INFO pr_info 291 #endif 292 #endif 293 #ifdef FREEBSD 294 #define IOCTL ioctl 295 #define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 296 #define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 297 #define PIOCRUN PIOCCONT 298 #define PIOCWSTOP PIOCWAIT 299 #define PR_WHY why 300 #define PR_WHAT val 301 #define PR_FLAGS state 302 /* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 303 status.state = 0 for running, 1 for stopped */ 304 #define PR_ASLEEP 1 305 #define PR_SYSENTRY S_SCE 306 #define PR_SYSEXIT S_SCX 307 #define PR_SIGNALLED S_SIG 308 #define PR_FAULTED S_CORE 309 #endif 310 311 #ifdef LINUX 312 # if !HAVE_DECL_PTRACE_SETOPTIONS 313 # define PTRACE_SETOPTIONS 0x4200 314 # endif 315 # if !HAVE_DECL_PTRACE_GETEVENTMSG 316 # define PTRACE_GETEVENTMSG 0x4201 317 # endif 318 # if !HAVE_DECL_PTRACE_GETSIGINFO 319 # define PTRACE_GETSIGINFO 0x4202 320 # endif 321 # if !HAVE_DECL_PTRACE_O_TRACEFORK 322 # define PTRACE_O_TRACEFORK 0x00000002 323 # endif 324 # if !HAVE_DECL_PTRACE_O_TRACEVFORK 325 # define PTRACE_O_TRACEVFORK 0x00000004 326 # endif 327 # if !HAVE_DECL_PTRACE_O_TRACECLONE 328 # define PTRACE_O_TRACECLONE 0x00000008 329 # endif 330 331 # if !HAVE_DECL_PTRACE_EVENT_FORK 332 # define PTRACE_EVENT_FORK 1 333 # endif 334 # if !HAVE_DECL_PTRACE_EVENT_VFORK 335 # define PTRACE_EVENT_VFORK 2 336 # endif 337 # if !HAVE_DECL_PTRACE_EVENT_CLONE 338 # define PTRACE_EVENT_CLONE 3 339 # endif 340 #endif /* LINUX */ 341 342 /* Trace Control Block */ 343 struct tcb { 344 short flags; /* See below for TCB_ values */ 345 int pid; /* Process Id of this entry */ 346 long scno; /* System call number */ 347 int u_nargs; /* System call arguments */ 348 long u_arg[MAX_ARGS]; /* System call arguments */ 349 #if defined (LINUX_MIPSN32) 350 long long ext_arg[MAX_ARGS]; /* System call arguments */ 351 #endif 352 int u_error; /* Error code */ 353 long u_rval; /* (first) return value */ 354 #ifdef HAVE_LONG_LONG 355 long long u_lrval; /* long long return value */ 356 #endif 357 FILE *outf; /* Output file for this process */ 358 int curcol; /* Output column for this process */ 359 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 360 struct timeval stime; /* System time usage as of last process wait */ 361 struct timeval dtime; /* Delta for system time usage */ 362 struct timeval etime; /* Syscall entry time */ 363 /* Support for tracing forked processes */ 364 struct tcb *parent; /* Parent of this process */ 365 int nchildren; /* # of traced children */ 366 int waitpid; /* pid(s) this process is waiting for */ 367 int nzombies; /* # of formerly traced children now dead */ 368 #ifdef LINUX 369 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 370 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 371 #endif 372 /* (1st arg of wait4()) */ 373 long baddr; /* `Breakpoint' address */ 374 long inst[2]; /* Instructions on above */ 375 int pfd; /* proc file descriptor */ 376 #ifdef SVR4 377 #ifdef HAVE_MP_PROCFS 378 int pfd_stat; 379 int pfd_as; 380 pstatus_t status; 381 #else 382 prstatus_t status; /* procfs status structure */ 383 #endif 384 #endif 385 int ptrace_errno; 386 #ifdef FREEBSD 387 struct procfs_status status; 388 int pfd_reg; 389 int pfd_status; 390 #endif 391 }; 392 393 /* TCB flags */ 394 #define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 395 #define TCB_INUSE 00002 /* This table entry is in use */ 396 #define TCB_INSYSCALL 00004 /* A system call is in progress */ 397 #define TCB_ATTACHED 00010 /* Process is not our own child */ 398 #define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 399 #define TCB_SUSPENDED 00040 /* Process can not be allowed to resume just now */ 400 #define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 401 #define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 402 #define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 403 #define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 404 #ifdef LINUX 405 /* x86 does not need TCB_WAITEXECVE. 406 * It can detect execve's SIGTRAP by looking at eax/rax. 407 * See "stray syscall exit: eax = " message in syscall_fixup(). 408 */ 409 # if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ 410 || defined(POWERPC) || defined(IA64) || defined(HPPA) \ 411 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ 412 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) 413 # define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 414 # endif 415 # define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 416 # define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 417 # include <sys/syscall.h> 418 # ifndef __NR_exit_group 419 # /* Hack: Most headers around are too old to have __NR_exit_group. */ 420 # ifdef ALPHA 421 # define __NR_exit_group 405 422 # elif defined I386 423 # define __NR_exit_group 252 424 # elif defined X86_64 425 # define __NR_exit_group 231 426 # elif defined IA64 427 # define __NR_exit_group 1236 428 # elif defined POWERPC 429 # define __NR_exit_group 234 430 # elif defined S390 || defined S390X 431 # define __NR_exit_group 248 432 # elif defined SPARC || defined SPARC64 433 # define __NR_exit_group 188 434 # elif defined M68K 435 # define __NR_exit_group 247 436 # endif /* ALPHA et al */ 437 # endif /* !__NR_exit_group */ 438 #endif /* LINUX */ 439 440 /* qualifier flags */ 441 #define QUAL_TRACE 0001 /* this system call should be traced */ 442 #define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 443 #define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 444 #define QUAL_RAW 0010 /* print all args in hex for this syscall */ 445 #define QUAL_SIGNAL 0020 /* report events with this signal */ 446 #define QUAL_FAULT 0040 /* report events with this fault */ 447 #define QUAL_READ 0100 /* dump data read on this file descriptor */ 448 #define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 449 450 #define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 451 #define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 452 #define syserror(tcp) ((tcp)->u_error != 0) 453 #define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 454 #define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 455 456 struct xlat { 457 int val; 458 const char *str; 459 }; 460 461 extern const struct xlat open_mode_flags[]; 462 extern const struct xlat addrfams[]; 463 extern const struct xlat struct_user_offsets[]; 464 extern const struct xlat open_access_modes[]; 465 466 /* Format of syscall return values */ 467 #define RVAL_DECIMAL 000 /* decimal format */ 468 #define RVAL_HEX 001 /* hex format */ 469 #define RVAL_OCTAL 002 /* octal format */ 470 #define RVAL_UDECIMAL 003 /* unsigned decimal format */ 471 #define RVAL_LDECIMAL 004 /* long decimal format */ 472 #define RVAL_LHEX 005 /* long hex format */ 473 #define RVAL_LOCTAL 006 /* long octal format */ 474 #define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 475 #define RVAL_MASK 007 /* mask for these values */ 476 477 #define RVAL_STR 010 /* Print `auxstr' field after return val */ 478 #define RVAL_NONE 020 /* Print nothing */ 479 480 #ifndef offsetof 481 #define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 482 ((char *) (type *) NULL)) 483 #endif /* !offsetof */ 484 485 /* get offset of member within a user struct */ 486 #define uoff(member) offsetof(struct user, member) 487 488 #define TRACE_FILE 001 /* Trace file-related syscalls. */ 489 #define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 490 #define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 491 #define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 492 #define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 493 #define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 494 #define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ 495 496 typedef enum { 497 CFLAG_NONE = 0, 498 CFLAG_ONLY_STATS, 499 CFLAG_BOTH 500 } cflag_t; 501 502 extern struct tcb **tcbtab; 503 extern int *qual_flags; 504 extern int debug, followfork; 505 extern unsigned int ptrace_setoptions; 506 extern int dtime, xflag, qflag; 507 extern cflag_t cflag; 508 extern int acolumn; 509 extern unsigned int nprocs, tcbtabsize; 510 extern int max_strlen; 511 extern struct tcb *tcp_last; 512 513 enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 514 515 extern int set_personality(int personality); 516 extern const char *xlookup(const struct xlat *, int); 517 extern struct tcb *alloc_tcb(int, int); 518 extern struct tcb *pid2tcb(int); 519 extern void droptcb(struct tcb *); 520 extern void expand_tcbtab(void); 521 522 #define alloctcb(pid) alloc_tcb((pid), 1) 523 524 extern void set_sortby(const char *); 525 extern void set_overhead(int); 526 extern void qualify(const char *); 527 extern int get_scno(struct tcb *); 528 extern long known_scno(struct tcb *); 529 extern long do_ptrace(int request, struct tcb *tcp, void *addr, void *data); 530 extern int ptrace_restart(int request, struct tcb *tcp, int sig); 531 extern int force_result(struct tcb *, int, long); 532 extern int trace_syscall(struct tcb *); 533 extern int count_syscall(struct tcb *, struct timeval *); 534 extern void printxval(const struct xlat *, int, const char *); 535 extern int printargs(struct tcb *); 536 extern int addflags(const struct xlat *, int); 537 extern int printflags(const struct xlat *, int, const char *); 538 extern const char *sprintflags(const char *, const struct xlat *, int); 539 extern int umoven(struct tcb *, long, int, char *); 540 extern int umovestr(struct tcb *, long, int, char *); 541 extern int upeek(struct tcb *, long, long *); 542 extern void dumpiov(struct tcb *, int, long); 543 extern void dumpstr(struct tcb *, long, int); 544 extern void printstr(struct tcb *, long, int); 545 extern void printnum(struct tcb *, long, const char *); 546 extern void printnum_int(struct tcb *, long, const char *); 547 extern void printpath(struct tcb *, long); 548 extern void printpathn(struct tcb *, long, int); 549 extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); 550 extern void sprinttv(struct tcb *, long, enum bitness_t, char *); 551 extern void print_timespec(struct tcb *, long); 552 extern void sprint_timespec(char *, struct tcb *, long); 553 #ifdef HAVE_SIGINFO_T 554 extern void printsiginfo(siginfo_t *, int); 555 #endif 556 extern void printfd(struct tcb *, int); 557 extern void printsock(struct tcb *, long, int); 558 extern void print_sock_optmgmt(struct tcb *, long, int); 559 extern void printrusage(struct tcb *, long); 560 extern void printuid(const char *, unsigned long); 561 extern int clearbpt(struct tcb *); 562 extern int setbpt(struct tcb *); 563 extern int sigishandled(struct tcb *, int); 564 extern void printcall(struct tcb *); 565 extern const char *signame(int); 566 extern void print_sigset(struct tcb *, long, int); 567 extern void printsignal(int); 568 extern void printleader(struct tcb *); 569 extern void printtrailer(void); 570 extern void tabto(int); 571 extern void call_summary(FILE *); 572 extern void tprint_iov(struct tcb *, unsigned long, unsigned long); 573 extern void tprint_open_modes(mode_t); 574 extern const char *sprint_open_modes(mode_t); 575 extern int is_restart_error(struct tcb *); 576 577 extern int change_syscall(struct tcb *, int); 578 extern int internal_fork(struct tcb *); 579 extern int internal_exec(struct tcb *); 580 extern int internal_wait(struct tcb *, int); 581 extern int internal_exit(struct tcb *); 582 #ifdef LINUX 583 extern int handle_new_child(struct tcb *, int, int); 584 #endif 585 586 extern const struct ioctlent *ioctl_lookup(long); 587 extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); 588 extern int ioctl_decode(struct tcb *, long, long); 589 extern int term_ioctl(struct tcb *, long, long); 590 extern int sock_ioctl(struct tcb *, long, long); 591 extern int proc_ioctl(struct tcb *, int, int); 592 extern int stream_ioctl(struct tcb *, int, int); 593 #ifdef LINUX 594 extern int rtc_ioctl(struct tcb *, long, long); 595 extern int scsi_ioctl(struct tcb *, long, long); 596 extern int block_ioctl(struct tcb *, long, long); 597 #endif 598 599 extern int tv_nz(struct timeval *); 600 extern int tv_cmp(struct timeval *, struct timeval *); 601 extern double tv_float(struct timeval *); 602 extern void tv_add(struct timeval *, struct timeval *, struct timeval *); 603 extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); 604 extern void tv_mul(struct timeval *, struct timeval *, int); 605 extern void tv_div(struct timeval *, struct timeval *, int); 606 607 #ifdef SUNOS4 608 extern int fixvfork(struct tcb *); 609 #endif 610 #if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64) \ 611 && !defined(SH)) 612 extern long getrval2(struct tcb *); 613 #endif 614 #ifdef USE_PROCFS 615 extern int proc_open(struct tcb *tcp, int attaching); 616 #endif 617 618 #define umove(pid, addr, objp) \ 619 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 620 621 #define printtv(tcp, addr) \ 622 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 623 #define printtv_special(tcp, addr) \ 624 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 625 626 extern void tprintf(const char *fmt, ...) 627 #ifdef __GNUC__ 628 __attribute__ ((format (printf, 1, 2))) 629 #endif 630 ; 631 632 #ifndef HAVE_STRERROR 633 const char *strerror(int); 634 #endif 635 #ifndef HAVE_STRSIGNAL 636 const char *strsignal(int); 637 #endif 638 639 extern int current_personality; 640 extern const int personality_wordsize[]; 641 642 struct sysent { 643 int nargs; 644 int sys_flags; 645 int (*sys_func)(); 646 const char *sys_name; 647 long native_scno; /* Match against SYS_* constants. */ 648 }; 649 650 extern const struct sysent *sysent; 651 extern int nsyscalls; 652 653 extern const char *const *errnoent; 654 extern int nerrnos; 655 656 struct ioctlent { 657 const char *doth; 658 const char *symbol; 659 unsigned long code; 660 }; 661 662 extern const struct ioctlent *ioctlent; 663 extern int nioctlents; 664 665 extern const char *const *signalent; 666 extern int nsignals; 667 668 extern const struct ioctlent ioctlent0[]; 669 extern const int nioctlents0; 670 extern const char *const signalent0[]; 671 extern const int nsignals0; 672 673 #if SUPPORTED_PERSONALITIES >= 2 674 extern const struct ioctlent ioctlent1[]; 675 extern const int nioctlents1; 676 extern const char *const signalent1[]; 677 extern const int nsignals1; 678 #endif /* SUPPORTED_PERSONALITIES >= 2 */ 679 680 #if SUPPORTED_PERSONALITIES >= 3 681 extern const struct ioctlent ioctlent2[]; 682 extern const int nioctlents2; 683 extern const char *const signalent2[]; 684 extern const int nsignals2; 685 #endif /* SUPPORTED_PERSONALITIES >= 3 */ 686 687 #if HAVE_LONG_LONG 688 689 /* _l refers to the lower numbered u_arg, 690 * _h refers to the higher numbered u_arg 691 */ 692 693 #if HAVE_LITTLE_ENDIAN_LONG_LONG 694 #define LONG_LONG(_l,_h) \ 695 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 696 #else 697 #define LONG_LONG(_l,_h) \ 698 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 699 #endif 700 701 extern int printllval(struct tcb *, const char *, int); 702 #endif 703 704 #ifdef IA64 705 extern long ia32; 706 #endif 707 708 extern int not_failing_only; 709
