defs.h revision afc64037e22cc7cafadba766286e32550d9e8feb
1/* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@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/* default maximum # of bytes printed in `printstr', change with -s switch */ 61#define DEFAULT_STRLEN 32 62#endif 63#ifndef DEFAULT_ACOLUMN 64#define DEFAULT_ACOLUMN 40 /* default alignment column for results */ 65#endif 66 67/* Maximum number of args to a syscall. 68 * 69 * Make sure that all entries in all syscallent.h files 70 * have nargs <= MAX_ARGS! 71 * linux/<ARCH>/syscallent.h: ia64 has many syscalls with 72 * nargs = 8, mips has two with nargs = 7 (both are printargs), 73 * all others are <= 6. 74 * freebsd/i386/syscallent.h: one syscall with nargs = 8 75 * (sys_sendfile, looks legitimate) 76 * and one with nargs = 7 (sys_mmap, maybe it should have 6?). 77 * sunos4/syscallent.h: all are <= 6. 78 * svr4/syscallent.h: all are -1. 79 */ 80#ifndef MAX_ARGS 81# ifdef HPPA 82# define MAX_ARGS 6 83# elif defined X86_64 || defined I386 84# ifdef FREEBSD 85# define MAX_ARGS 8 86# else 87# define MAX_ARGS 6 88# endif 89# else 90/* Way too big. Switch your arch to saner size after you tested that it works */ 91# define MAX_ARGS 32 92# endif 93#endif 94 95#ifndef DEFAULT_SORTBY 96#define DEFAULT_SORTBY "time" /* default sorting method for call profiling */ 97#endif 98 99#include <sys/types.h> 100#include <unistd.h> 101#include <stdlib.h> 102#include <stdio.h> 103#include <ctype.h> 104#include <string.h> 105#include <time.h> 106#include <sys/time.h> 107#include <errno.h> 108 109#ifdef HAVE_STDBOOL_H 110#include <stdbool.h> 111#endif 112 113#ifdef STDC_HEADERS 114#include <stddef.h> 115#endif /* STDC_HEADERS */ 116 117#ifdef HAVE_SIGINFO_T 118#include <signal.h> 119#endif 120 121#if defined(LINUX) 122# if defined(SPARC) || defined(SPARC64) 123# define LINUXSPARC 124# endif 125# if defined(X86_64) 126# define LINUX_X86_64 127# endif 128# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 129# define LINUX_MIPSO32 130# endif 131# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 132# define LINUX_MIPSN32 133# define LINUX_MIPS64 134# endif 135# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 136# define LINUX_MIPSN64 137# define LINUX_MIPS64 138# endif 139# if defined(ARM) 140# define LINUX_ARM 141# endif 142# if defined(AVR32) 143# define LINUX_AVR32 144# endif 145#endif 146 147#if defined(SVR4) || defined(FREEBSD) 148#define USE_PROCFS 149#else 150#undef USE_PROCFS 151#endif 152 153#ifdef FREEBSD 154#ifndef I386 155#error "FreeBSD support is only for i386 arch right now." 156#endif 157#include <machine/psl.h> 158#include <machine/reg.h> 159#include <sys/syscall.h> 160#endif 161 162#ifdef USE_PROCFS 163#include <sys/procfs.h> 164#ifdef HAVE_MP_PROCFS 165#include <sys/uio.h> 166#endif 167#ifdef FREEBSD 168#include <sys/pioctl.h> 169#endif /* FREEBSD */ 170#else /* !USE_PROCFS */ 171#if (defined(LINUXSPARC) || defined(LINUX_X86_64) || defined(LINUX_ARM) || defined(LINUX_AVR32)) && defined(__GLIBC__) 172#include <sys/ptrace.h> 173#else 174/* Work around awkward prototype in ptrace.h. */ 175#define ptrace xptrace 176#include <sys/ptrace.h> 177#undef ptrace 178#ifdef POWERPC 179#define __KERNEL__ 180#include <asm/ptrace.h> 181#undef __KERNEL__ 182#endif 183#ifdef LINUX 184extern long ptrace(int, int, char *, long); 185#else /* !LINUX */ 186extern int ptrace(int, int, char *, int, ...); 187#endif /* !LINUX */ 188#endif /* !LINUXSPARC */ 189#endif /* !SVR4 */ 190 191#ifdef LINUX 192#if !defined(__GLIBC__) 193#define PTRACE_PEEKUSER PTRACE_PEEKUSR 194#define PTRACE_POKEUSER PTRACE_POKEUSR 195#endif 196#ifdef ALPHA 197# define REG_R0 0 198# define REG_A0 16 199# define REG_A3 19 200# define REG_FP 30 201# define REG_PC 64 202#endif /* ALPHA */ 203#ifdef MIPS 204# define REG_V0 2 205# define REG_A0 4 206# define REG_A3 7 207# define REG_SP 29 208# define REG_EPC 64 209#endif /* MIPS */ 210#ifdef HPPA 211# define PT_GR20 (20*4) 212# define PT_GR26 (26*4) 213# define PT_GR28 (28*4) 214# define PT_IAOQ0 (106*4) 215# define PT_IAOQ1 (107*4) 216#endif /* HPPA */ 217#ifdef SH64 218 /* SH64 Linux - this code assumes the following kernel API for system calls: 219 PC Offset 0 220 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 221 where n = no. of parameters. 222 Other regs Offset 24+ 223 224 On entry: R2-7 = parameters 1-6 (as many as necessary) 225 On return: R9 = result. */ 226 227 /* Offset for peeks of registers */ 228# define REG_OFFSET (24) 229# define REG_GENERAL(x) (8*(x)+REG_OFFSET) 230# define REG_PC (0*8) 231# define REG_SYSCALL (2*8) 232#endif /* SH64 */ 233#endif /* LINUX */ 234 235#define SUPPORTED_PERSONALITIES 1 236#define DEFAULT_PERSONALITY 0 237 238#ifdef LINUXSPARC 239/* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off 240 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ 241#define U_REG_G1 0 242#define U_REG_O0 7 243#define U_REG_O1 8 244#define PERSONALITY0_WORDSIZE 4 245#define PERSONALITY1_WORDSIZE 4 246#undef SUPPORTED_PERSONALITIES 247#if defined(SPARC64) 248#include <asm/psrcompat.h> 249#define SUPPORTED_PERSONALITIES 3 250#define PERSONALITY2_WORDSIZE 8 251#else 252#include <asm/psr.h> 253#define SUPPORTED_PERSONALITIES 2 254#endif /* SPARC64 */ 255#endif /* LINUXSPARC */ 256 257#ifdef X86_64 258#undef SUPPORTED_PERSONALITIES 259#define SUPPORTED_PERSONALITIES 2 260#define PERSONALITY0_WORDSIZE 8 261#define PERSONALITY1_WORDSIZE 4 262#endif 263 264#ifdef ARM 265#undef SUPPORTED_PERSONALITIES 266#define SUPPORTED_PERSONALITIES 2 267#define PERSONALITY0_WORDSIZE 4 268#define PERSONALITY1_WORDSIZE 4 269#endif 270 271#ifdef POWERPC64 272#undef SUPPORTED_PERSONALITIES 273#define SUPPORTED_PERSONALITIES 2 274#define PERSONALITY0_WORDSIZE 8 275#define PERSONALITY1_WORDSIZE 4 276#endif 277 278#ifdef SVR4 279#ifdef HAVE_MP_PROCFS 280extern int mp_ioctl(int f, int c, void *a, int s); 281#define IOCTL(f,c,a) mp_ioctl(f, c, a, sizeof *a) 282#define IOCTL_STATUS(t) \ 283 pread(t->pfd_stat, &t->status, sizeof t->status, 0) 284#define IOCTL_WSTOP(t) \ 285 (IOCTL(t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : IOCTL_STATUS(t)) 286#define PR_WHY pr_lwp.pr_why 287#define PR_WHAT pr_lwp.pr_what 288#define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 289#define PR_FLAGS pr_lwp.pr_flags 290#define PR_SYSCALL pr_lwp.pr_syscall 291#define PR_INFO pr_lwp.pr_info 292#define PIOCSTIP PCSTOP 293#define PIOCSET PCSET 294#define PIOCRESET PCRESET 295#define PIOCSTRACE PCSTRACE 296#define PIOCSFAULT PCSFAULT 297#define PIOCWSTOP PCWSTOP 298#define PIOCSTOP PCSTOP 299#define PIOCSENTRY PCSENTRY 300#define PIOCSEXIT PCSEXIT 301#define PIOCRUN PCRUN 302#else 303#define IOCTL ioctl 304#define IOCTL_STATUS(t) ioctl(t->pfd, PIOCSTATUS, &t->status) 305#define IOCTL_WSTOP(t) ioctl(t->pfd, PIOCWSTOP, &t->status) 306#define PR_WHY pr_why 307#define PR_WHAT pr_what 308#define PR_REG pr_reg 309#define PR_FLAGS pr_flags 310#define PR_SYSCALL pr_syscall 311#define PR_INFO pr_info 312#endif 313#endif 314#ifdef FREEBSD 315#define IOCTL ioctl 316#define IOCTL_STATUS(t) ioctl(t->pfd, PIOCSTATUS, &t->status) 317#define IOCTL_WSTOP(t) ioctl(t->pfd, PIOCWAIT, &t->status) 318#define PIOCRUN PIOCCONT 319#define PIOCWSTOP PIOCWAIT 320#define PR_WHY why 321#define PR_WHAT val 322#define PR_FLAGS state 323/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 324 status.state = 0 for running, 1 for stopped */ 325#define PR_ASLEEP 1 326#define PR_SYSENTRY S_SCE 327#define PR_SYSEXIT S_SCX 328#define PR_SIGNALLED S_SIG 329#define PR_FAULTED S_CORE 330#endif 331 332#ifdef LINUX 333# if !HAVE_DECL_PTRACE_SETOPTIONS 334# define PTRACE_SETOPTIONS 0x4200 335# endif 336# if !HAVE_DECL_PTRACE_GETEVENTMSG 337# define PTRACE_GETEVENTMSG 0x4201 338# endif 339# if !HAVE_DECL_PTRACE_GETSIGINFO 340# define PTRACE_GETSIGINFO 0x4202 341# endif 342 343# if !HAVE_DECL_PTRACE_O_TRACESYSGOOD 344# define PTRACE_O_TRACESYSGOOD 0x00000001 345# endif 346# if !HAVE_DECL_PTRACE_O_TRACEFORK 347# define PTRACE_O_TRACEFORK 0x00000002 348# endif 349# if !HAVE_DECL_PTRACE_O_TRACEVFORK 350# define PTRACE_O_TRACEVFORK 0x00000004 351# endif 352# if !HAVE_DECL_PTRACE_O_TRACECLONE 353# define PTRACE_O_TRACECLONE 0x00000008 354# endif 355# if !HAVE_DECL_PTRACE_O_TRACEEXEC 356# define PTRACE_O_TRACEEXEC 0x00000010 357# endif 358# if !HAVE_DECL_PTRACE_O_TRACEEXIT 359# define PTRACE_O_TRACEEXIT 0x00000040 360# endif 361 362# if !HAVE_DECL_PTRACE_EVENT_FORK 363# define PTRACE_EVENT_FORK 1 364# endif 365# if !HAVE_DECL_PTRACE_EVENT_VFORK 366# define PTRACE_EVENT_VFORK 2 367# endif 368# if !HAVE_DECL_PTRACE_EVENT_CLONE 369# define PTRACE_EVENT_CLONE 3 370# endif 371# if !HAVE_DECL_PTRACE_EVENT_EXEC 372# define PTRACE_EVENT_EXEC 4 373# endif 374# if !HAVE_DECL_PTRACE_EVENT_VFORK_DONE 375# define PTRACE_EVENT_VFORK_DONE 5 376# endif 377# if !HAVE_DECL_PTRACE_EVENT_EXIT 378# define PTRACE_EVENT_EXIT 6 379# endif 380#endif /* LINUX */ 381 382#if !defined __GNUC__ 383# define __attribute__(x) /*nothing*/ 384#endif 385 386#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 387 388/* Trace Control Block */ 389struct tcb { 390 int flags; /* See below for TCB_ values */ 391 int pid; /* Process Id of this entry */ 392 long scno; /* System call number */ 393 int u_nargs; /* System call argument count */ 394 long u_arg[MAX_ARGS]; /* System call arguments */ 395#if defined (LINUX_MIPSN32) 396 long long ext_arg[MAX_ARGS]; /* System call arguments */ 397#endif 398 int u_error; /* Error code */ 399 long u_rval; /* (first) return value */ 400#ifdef HAVE_LONG_LONG 401 long long u_lrval; /* long long return value */ 402#endif 403 FILE *outf; /* Output file for this process */ 404 int curcol; /* Output column for this process */ 405 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 406 struct timeval stime; /* System time usage as of last process wait */ 407 struct timeval dtime; /* Delta for system time usage */ 408 struct timeval etime; /* Syscall entry time */ 409 /* Support for tracing forked processes */ 410 long baddr; /* `Breakpoint' address */ 411 long inst[2]; /* Instructions on above */ 412 int ptrace_errno; 413#ifdef USE_PROCFS 414 int pfd; /* proc file descriptor */ 415#endif 416#ifdef SVR4 417# ifdef HAVE_MP_PROCFS 418 int pfd_stat; 419 int pfd_as; 420 pstatus_t status; 421# else 422 prstatus_t status; /* procfs status structure */ 423# endif 424#endif 425#ifdef FREEBSD 426 struct procfs_status status; 427 int pfd_reg; 428 int pfd_status; 429#endif 430}; 431 432/* TCB flags */ 433#define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 434#define TCB_INUSE 00002 /* This table entry is in use */ 435/* 436 * Are we in system call entry or in syscall exit? 437 * 438 * This bit is set after all syscall entry processing is done. 439 * Therefore, this bit will be set when next ptrace stop occurs, 440 * which should be syscall exit stop. Other stops which are possible 441 * directly after syscall entry (death, ptrace event stop) 442 * are simpler and handled without calling trace_syscall(), therefore 443 * the places where TCB_INSYSCALL can be set but we aren't in syscall stop 444 * are limited to trace(), this condition is never observed in trace_syscall() 445 * and below. 446 * The bit is cleared after all syscall exit processing is done. 447 * User-generated SIGTRAPs and post-execve SIGTRAP make it necessary 448 * to be very careful and NOT set TCB_INSYSCALL bit when they are encountered. 449 * TCB_WAITEXECVE bit is used for this purpose (see below). 450 * 451 * Use entering(tcp) / exiting(tcp) to check this bit to make code more readable. 452 */ 453#define TCB_INSYSCALL 00004 454#define TCB_ATTACHED 00010 /* Process is not our own child */ 455#ifdef LINUX 456#define TCB_ATTACH_DONE 00020 /* PTRACE_ATTACH was done on this tcb->pid */ 457#endif 458#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 459#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 460#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 461#define TCB_FILTERED 02000 /* This system call has been filtered out */ 462#ifdef LINUX 463/* x86 does not need TCB_WAITEXECVE. 464 * It can detect SIGTRAP by looking at eax/rax. 465 * See "not a syscall entry (eax = %ld)\n" message in syscall_fixup(). 466 */ 467# if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ 468 || defined(POWERPC) || defined(IA64) || defined(HPPA) \ 469 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ 470 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) 471/* This tracee has entered into execve syscall. Expect post-execve SIGTRAP 472 * to happen. (When it is detected, tracee is continued and this bit is cleared.) 473 */ 474# define TCB_WAITEXECVE 04000 475# endif 476# include <sys/syscall.h> 477# ifndef __NR_exit_group 478# /* Hack: Most headers around are too old to have __NR_exit_group. */ 479# ifdef ALPHA 480# define __NR_exit_group 405 481# elif defined I386 482# define __NR_exit_group 252 483# elif defined X86_64 484# define __NR_exit_group 231 485# elif defined IA64 486# define __NR_exit_group 1236 487# elif defined POWERPC 488# define __NR_exit_group 234 489# elif defined S390 || defined S390X 490# define __NR_exit_group 248 491# elif defined SPARC || defined SPARC64 492# define __NR_exit_group 188 493# elif defined M68K 494# define __NR_exit_group 247 495# endif /* ALPHA et al */ 496# endif /* !__NR_exit_group */ 497#endif /* LINUX */ 498 499/* qualifier flags */ 500#define QUAL_TRACE 0001 /* this system call should be traced */ 501#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 502#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 503#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 504#define QUAL_SIGNAL 0020 /* report events with this signal */ 505#define QUAL_FAULT 0040 /* report events with this fault */ 506#define QUAL_READ 0100 /* dump data read on this file descriptor */ 507#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 508 509#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 510#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 511#define syserror(tcp) ((tcp)->u_error != 0) 512#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 513#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 514#define filtered(tcp) ((tcp)->flags & TCB_FILTERED) 515 516struct xlat { 517 int val; 518 const char *str; 519}; 520 521extern const struct xlat open_mode_flags[]; 522extern const struct xlat addrfams[]; 523extern const struct xlat struct_user_offsets[]; 524extern const struct xlat open_access_modes[]; 525 526/* Format of syscall return values */ 527#define RVAL_DECIMAL 000 /* decimal format */ 528#define RVAL_HEX 001 /* hex format */ 529#define RVAL_OCTAL 002 /* octal format */ 530#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 531#define RVAL_LDECIMAL 004 /* long decimal format */ 532#define RVAL_LHEX 005 /* long hex format */ 533#define RVAL_LOCTAL 006 /* long octal format */ 534#define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 535#define RVAL_MASK 007 /* mask for these values */ 536 537#define RVAL_STR 010 /* Print `auxstr' field after return val */ 538#define RVAL_NONE 020 /* Print nothing */ 539 540#ifndef offsetof 541#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 542 ((char *) (type *) NULL)) 543#endif /* !offsetof */ 544 545/* get offset of member within a user struct */ 546#define uoff(member) offsetof(struct user, member) 547 548#define TRACE_FILE 001 /* Trace file-related syscalls. */ 549#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 550#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 551#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 552#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 553#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 554#define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ 555 556typedef enum { 557 CFLAG_NONE = 0, 558 CFLAG_ONLY_STATS, 559 CFLAG_BOTH 560} cflag_t; 561 562extern int *qual_flags; 563extern int debug, followfork; 564extern unsigned int ptrace_setoptions; 565extern int dtime, xflag, qflag; 566extern cflag_t cflag; 567extern int acolumn; 568extern int max_strlen; 569extern struct tcb *tcp_last; 570 571enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 572 573void error_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); 574void perror_msg(const char *fmt, ...) __attribute__ ((format(printf, 1, 2))); 575void error_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); 576void perror_msg_and_die(const char *fmt, ...) __attribute__ ((noreturn, format(printf, 1, 2))); 577 578extern void set_personality(int personality); 579extern const char *xlookup(const struct xlat *, int); 580extern struct tcb *alloc_tcb(int, int); 581extern struct tcb *pid2tcb(int); 582extern void droptcb(struct tcb *); 583 584#define alloctcb(pid) alloc_tcb((pid), 1) 585 586extern void set_sortby(const char *); 587extern void set_overhead(int); 588extern void qualify(const char *); 589extern int get_scno(struct tcb *); 590extern long known_scno(struct tcb *); 591extern long do_ptrace(int request, struct tcb *tcp, void *addr, void *data); 592extern int ptrace_restart(int request, struct tcb *tcp, int sig); 593extern int force_result(struct tcb *, int, long); 594extern int trace_syscall(struct tcb *); 595extern void count_syscall(struct tcb *, struct timeval *); 596extern void printxval(const struct xlat *, int, const char *); 597extern int printargs(struct tcb *); 598extern void addflags(const struct xlat *, int); 599extern int printflags(const struct xlat *, int, const char *); 600extern const char *sprintflags(const char *, const struct xlat *, int); 601extern int umoven(struct tcb *, long, int, char *); 602extern int umovestr(struct tcb *, long, int, char *); 603extern int upeek(struct tcb *, long, long *); 604extern void dumpiov(struct tcb *, int, long); 605extern void dumpstr(struct tcb *, long, int); 606extern void printstr(struct tcb *, long, int); 607extern void printnum(struct tcb *, long, const char *); 608extern void printnum_int(struct tcb *, long, const char *); 609extern void printpath(struct tcb *, long); 610extern void printpathn(struct tcb *, long, int); 611extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); 612extern void sprinttv(struct tcb *, long, enum bitness_t, char *); 613extern void print_timespec(struct tcb *, long); 614extern void sprint_timespec(char *, struct tcb *, long); 615#ifdef HAVE_SIGINFO_T 616extern void printsiginfo(siginfo_t *, int); 617#endif 618extern const char *getfdpath(struct tcb *, int); 619extern void printfd(struct tcb *, int); 620extern void printsock(struct tcb *, long, int); 621extern void print_sock_optmgmt(struct tcb *, long, int); 622extern void printrusage(struct tcb *, long); 623#ifdef ALPHA 624extern void printrusage32(struct tcb *, long); 625#endif 626extern void printuid(const char *, unsigned long); 627extern int clearbpt(struct tcb *); 628/* 629 * On Linux, "setbpt" is a misnomer: we don't set a breakpoint 630 * (IOW: no poking in user's text segment), 631 * instead we change fork/vfork/clone into clone(CLONE_PTRACE). 632 * On newer kernels, we use PTRACE_O_TRACECLONE/TRACE[V]FORK instead. 633 */ 634extern int setbpt(struct tcb *); 635extern void printcall(struct tcb *); 636extern const char *signame(int); 637extern void print_sigset(struct tcb *, long, int); 638extern void printsignal(int); 639extern void printleader(struct tcb *); 640extern void printtrailer(void); 641extern void tabto(int); 642extern void call_summary(FILE *); 643extern void tprint_iov(struct tcb *, unsigned long, unsigned long, int decode_iov); 644extern void tprint_open_modes(mode_t); 645extern const char *sprint_open_modes(mode_t); 646extern int is_restart_error(struct tcb *); 647 648extern int pathtrace_select(const char *); 649extern int pathtrace_match(struct tcb *); 650 651extern int change_syscall(struct tcb *, int); 652extern int internal_fork(struct tcb *); 653extern int internal_exec(struct tcb *); 654 655extern const struct ioctlent *ioctl_lookup(long); 656extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); 657extern int ioctl_decode(struct tcb *, long, long); 658extern int term_ioctl(struct tcb *, long, long); 659extern int sock_ioctl(struct tcb *, long, long); 660extern int proc_ioctl(struct tcb *, int, int); 661extern int stream_ioctl(struct tcb *, int, int); 662#ifdef LINUX 663extern int rtc_ioctl(struct tcb *, long, long); 664extern int scsi_ioctl(struct tcb *, long, long); 665extern int block_ioctl(struct tcb *, long, long); 666#endif 667 668extern int tv_nz(struct timeval *); 669extern int tv_cmp(struct timeval *, struct timeval *); 670extern double tv_float(struct timeval *); 671extern void tv_add(struct timeval *, struct timeval *, struct timeval *); 672extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); 673extern void tv_mul(struct timeval *, struct timeval *, int); 674extern void tv_div(struct timeval *, struct timeval *, int); 675 676#ifdef SUNOS4 677extern int fixvfork(struct tcb *); 678#endif 679#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64) \ 680 && !defined(SH)) 681extern long getrval2(struct tcb *); 682#endif 683#ifdef USE_PROCFS 684extern int proc_open(struct tcb *tcp, int attaching); 685#endif 686 687#define umove(pid, addr, objp) \ 688 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 689 690#define printtv(tcp, addr) \ 691 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 692#define printtv_special(tcp, addr) \ 693 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 694 695extern void tprintf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); 696 697#ifndef HAVE_STRERROR 698const char *strerror(int); 699#endif 700#ifndef HAVE_STRSIGNAL 701const char *strsignal(int); 702#endif 703 704extern int current_personality; 705extern const int personality_wordsize[]; 706 707struct sysent { 708 unsigned nargs; 709 int sys_flags; 710 int (*sys_func)(); 711 const char *sys_name; 712 long native_scno; /* Match against SYS_* constants. */ 713}; 714 715struct ioctlent { 716 const char *doth; 717 const char *symbol; 718 unsigned long code; 719}; 720 721extern const struct sysent *sysent; 722extern unsigned nsyscalls; 723extern const char *const *errnoent; 724extern unsigned nerrnos; 725extern const struct ioctlent *ioctlent; 726extern unsigned nioctlents; 727extern const char *const *signalent; 728extern unsigned nsignals; 729 730#if HAVE_LONG_LONG 731 732/* _l refers to the lower numbered u_arg, 733 * _h refers to the higher numbered u_arg 734 */ 735 736#if HAVE_LITTLE_ENDIAN_LONG_LONG 737#define LONG_LONG(_l,_h) \ 738 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 739#else 740#define LONG_LONG(_l,_h) \ 741 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 742#endif 743 744extern int printllval(struct tcb *, const char *, int); 745#endif 746 747#ifdef IA64 748extern long ia32; 749#endif 750 751extern int not_failing_only; 752extern int show_fd_path; 753extern int tracing_paths; 754