defs.h revision 8ba1cd7d122b5323f9a1ac8be494ddbc1352d5cd
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#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#define MAX_ARGS 32 /* maximum number of args to a syscall */ 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(ALPHA) 100# define LINUX_64BIT 101# endif 102# if defined(X86_64) 103# define LINUX_X86_64 104# endif 105# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 106# define LINUX_MIPSO32 107# endif 108# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 109# define LINUX_MIPSN32 110# define LINUX_MIPS64 111# endif 112# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 113# define LINUX_MIPSN64 114# define LINUX_MIPS64 115# endif 116# if defined(ARM) 117# define LINUX_ARM 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(__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 __STDC__ 158#ifdef LINUX 159extern long ptrace(int, int, char *, long); 160#else /* !LINUX */ 161extern int ptrace(int, int, char *, int, ...); 162#endif /* !LINUX */ 163#else /* !__STDC__ */ 164extern int ptrace(); 165#endif /* !__STDC__ */ 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#define PERSONALITY0_WORDSIZE 4 218#define PERSONALITY1_WORDSIZE 4 219#undef SUPPORTED_PERSONALITIES 220#if defined(SPARC64) 221#include <asm/psrcompat.h> 222#define SUPPORTED_PERSONALITIES 3 223#define PERSONALITY2_WORDSIZE 8 224#else 225#include <asm/psr.h> 226#define SUPPORTED_PERSONALITIES 2 227#endif /* SPARC64 */ 228#endif /* LINUXSPARC */ 229 230#ifdef X86_64 231#undef SUPPORTED_PERSONALITIES 232#define SUPPORTED_PERSONALITIES 2 233#define PERSONALITY0_WORDSIZE 8 234#define PERSONALITY1_WORDSIZE 4 235#endif 236 237#ifdef ARM 238#undef SUPPORTED_PERSONALITIES 239#define SUPPORTED_PERSONALITIES 2 240#define PERSONALITY0_WORDSIZE 4 241#define PERSONALITY1_WORDSIZE 4 242#endif 243 244#ifdef SVR4 245#ifdef HAVE_MP_PROCFS 246extern int mp_ioctl (int f, int c, void *a, int s); 247#define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 248#define IOCTL_STATUS(t) \ 249 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 250#define IOCTL_WSTOP(t) \ 251 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 252 IOCTL_STATUS (t)) 253#define PR_WHY pr_lwp.pr_why 254#define PR_WHAT pr_lwp.pr_what 255#define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 256#define PR_FLAGS pr_lwp.pr_flags 257#define PR_SYSCALL pr_lwp.pr_syscall 258#define PR_INFO pr_lwp.pr_info 259#define PIOCSTIP PCSTOP 260#define PIOCSET PCSET 261#define PIOCRESET PCRESET 262#define PIOCSTRACE PCSTRACE 263#define PIOCSFAULT PCSFAULT 264#define PIOCWSTOP PCWSTOP 265#define PIOCSTOP PCSTOP 266#define PIOCSENTRY PCSENTRY 267#define PIOCSEXIT PCSEXIT 268#define PIOCRUN PCRUN 269#else 270#define IOCTL ioctl 271#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 272#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 273#define PR_WHY pr_why 274#define PR_WHAT pr_what 275#define PR_REG pr_reg 276#define PR_FLAGS pr_flags 277#define PR_SYSCALL pr_syscall 278#define PR_INFO pr_info 279#endif 280#endif 281#ifdef FREEBSD 282#define IOCTL ioctl 283#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 284#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 285#define PIOCRUN PIOCCONT 286#define PIOCWSTOP PIOCWAIT 287#define PR_WHY why 288#define PR_WHAT val 289#define PR_FLAGS state 290/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 291 status.state = 0 for running, 1 for stopped */ 292#define PR_ASLEEP 1 293#define PR_SYSENTRY S_SCE 294#define PR_SYSEXIT S_SCX 295#define PR_SIGNALLED S_SIG 296#define PR_FAULTED S_CORE 297#endif 298 299/* Trace Control Block */ 300struct tcb { 301 short flags; /* See below for TCB_ values */ 302 int pid; /* Process Id of this entry */ 303 long scno; /* System call number */ 304 int u_nargs; /* System call arguments */ 305 long u_arg[MAX_ARGS]; /* System call arguments */ 306#if defined (LINUX_MIPSN32) 307 long long ext_arg[MAX_ARGS]; /* System call arguments */ 308#endif 309 int u_error; /* Error code */ 310 long u_rval; /* (first) return value */ 311#ifdef HAVE_LONG_LONG 312 long long u_lrval; /* long long return value */ 313#endif 314 FILE *outf; /* Output file for this process */ 315 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 316 struct timeval stime; /* System time usage as of last process wait */ 317 struct timeval dtime; /* Delta for system time usage */ 318 struct timeval etime; /* Syscall entry time */ 319 /* Support for tracing forked processes */ 320 struct tcb *parent; /* Parent of this process */ 321 int nchildren; /* # of traced children */ 322 int waitpid; /* pid(s) this process is waiting for */ 323 int nzombies; /* # of formerly traced children now dead */ 324#ifdef LINUX 325 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 326 int nclone_detached; /* # of nchildren with CLONE_DETACHED */ 327 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 328 /* (1st arg of wait4()) */ 329#endif 330 long baddr; /* `Breakpoint' address */ 331 long inst[2]; /* Instructions on above */ 332 int pfd; /* proc file descriptor */ 333#ifdef SVR4 334#ifdef HAVE_MP_PROCFS 335 int pfd_stat; 336 int pfd_as; 337 pstatus_t status; 338#else 339 prstatus_t status; /* procfs status structure */ 340#endif 341#endif 342 int ptrace_errno; 343#ifdef FREEBSD 344 struct procfs_status status; 345 int pfd_reg; 346 int pfd_status; 347#endif 348}; 349 350/* TCB flags */ 351#define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 352#define TCB_INUSE 00002 /* This table entry is in use */ 353#define TCB_INSYSCALL 00004 /* A system call is in progress */ 354#define TCB_ATTACHED 00010 /* Process is not our own child */ 355#define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 356#define TCB_SUSPENDED 00040 /* Process has done a wait(4), that can 357 not be allowed to complete just now */ 358#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 359#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 360#define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 361#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 362#ifdef LINUX 363# if defined(ALPHA) || defined(SPARC) || defined(SPARC64) || defined(POWERPC) || defined(IA64) || defined(HPPA) || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) || defined(ARM) || defined(MIPS) || defined(BFIN) 364# define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 365# endif 366# define TCB_CLONE_DETACHED 04000 /* CLONE_DETACHED set in creating syscall */ 367# define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 368# define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 369# include <sys/syscall.h> 370# ifndef __NR_exit_group 371# /* Hack: Most headers around are too old to have __NR_exit_group. */ 372# ifdef ALPHA 373# define __NR_exit_group 405 374# elif defined I386 375# define __NR_exit_group 252 376# elif defined X86_64 377# define __NR_exit_group 231 378# elif defined IA64 379# define __NR_exit_group 1236 380# elif defined POWERPC 381# define __NR_exit_group 234 382# elif defined S390 || defined S390X 383# define __NR_exit_group 248 384# elif defined SPARC || defined SPARC64 385# define __NR_exit_group 188 386# elif defined M68K 387# define __NR_exit_group 247 388# endif /* ALPHA et al */ 389# endif /* !__NR_exit_group */ 390#endif /* LINUX */ 391 392/* qualifier flags */ 393#define QUAL_TRACE 0001 /* this system call should be traced */ 394#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 395#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 396#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 397#define QUAL_SIGNAL 0020 /* report events with this signal */ 398#define QUAL_FAULT 0040 /* report events with this fault */ 399#define QUAL_READ 0100 /* dump data read on this file descriptor */ 400#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 401 402#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 403#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 404#define syserror(tcp) ((tcp)->u_error != 0) 405#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 406#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 407 408struct xlat { 409 int val; 410 char *str; 411}; 412 413/* Format of syscall return values */ 414#define RVAL_DECIMAL 000 /* decimal format */ 415#define RVAL_HEX 001 /* hex format */ 416#define RVAL_OCTAL 002 /* octal format */ 417#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 418#define RVAL_LDECIMAL 004 /* long decimal format */ 419#define RVAL_LHEX 005 /* long hex format */ 420#define RVAL_LOCTAL 006 /* long octal format */ 421#define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 422#define RVAL_MASK 007 /* mask for these values */ 423 424#define RVAL_STR 010 /* Print `auxstr' field after return val */ 425#define RVAL_NONE 020 /* Print nothing */ 426 427#ifndef offsetof 428#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 429 ((char *) (type *) NULL)) 430#endif /* !offsetof */ 431 432/* get offset of member within a user struct */ 433#define uoff(member) offsetof(struct user, member) 434 435#define TRACE_FILE 001 /* Trace file-related syscalls. */ 436#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 437#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 438#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 439#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 440#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 441 442extern struct tcb **tcbtab; 443extern int *qual_flags; 444extern int debug, followfork; 445extern int dtime, cflag, xflag, qflag; 446extern int acolumn; 447extern unsigned int nprocs, tcbtabsize; 448extern int max_strlen; 449extern struct tcb *tcp_last; 450 451#ifdef __STDC__ 452#define P(args) args 453#else 454#define P(args) () 455#endif 456 457enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 458 459extern int set_personality P((int personality)); 460extern const char *xlookup P((const struct xlat *, int)); 461extern struct tcb *alloc_tcb P((int, int)); 462extern struct tcb *pid2tcb P((int)); 463extern void droptcb P((struct tcb *)); 464extern int expand_tcbtab P((void)); 465 466#define alloctcb(pid) alloc_tcb((pid), 1) 467 468extern void set_sortby P((char *)); 469extern void set_overhead P((int)); 470extern void qualify P((char *)); 471extern int get_scno P((struct tcb *)); 472extern long known_scno P((struct tcb *)); 473extern long do_ptrace P((int request, struct tcb *tcp, void *addr, void *data)); 474extern int ptrace_restart P((int request, struct tcb *tcp, int sig)); 475extern int trace_syscall P((struct tcb *)); 476extern int count_syscall P((struct tcb *, struct timeval *)); 477extern void printxval P((const struct xlat *, int, const char *)); 478extern int printargs P((struct tcb *)); 479extern int addflags P((const struct xlat *, int)); 480extern int printflags P((const struct xlat *, int, const char *)); 481extern const char *sprintflags P((const char *, const struct xlat *, int)); 482extern int umoven P((struct tcb *, long, int, char *)); 483extern int umovestr P((struct tcb *, long, int, char *)); 484extern int upeek P((struct tcb *, long, long *)); 485extern void dumpiov P((struct tcb *, int, long)); 486extern void dumpstr P((struct tcb *, long, int)); 487extern void printstr P((struct tcb *, long, int)); 488extern void printnum P((struct tcb *, long, char *)); 489extern void printnum_int P((struct tcb *, long, char *)); 490extern void printpath P((struct tcb *, long)); 491extern void printpathn P((struct tcb *, long, int)); 492extern void printtv_bitness P((struct tcb *, long, enum bitness_t, int)); 493extern void sprinttv P((struct tcb *, long, enum bitness_t, char *)); 494extern void print_timespec P((struct tcb *, long)); 495extern void sprint_timespec P((char *, struct tcb *, long)); 496#ifdef HAVE_SIGINFO_T 497extern void printsiginfo P((siginfo_t *, int)); 498#endif 499extern void printsock P((struct tcb *, long, int)); 500extern void print_sock_optmgmt P((struct tcb *, long, int)); 501extern void printrusage P((struct tcb *, long)); 502extern void printuid P((const char *, unsigned long)); 503extern int clearbpt P((struct tcb *)); 504extern int setbpt P((struct tcb *)); 505extern int sigishandled P((struct tcb *, int)); 506extern void printcall P((struct tcb *)); 507extern const char *signame P((int)); 508extern void print_sigset P((struct tcb *, long, int)); 509extern void printsignal P((int)); 510extern void printleader P((struct tcb *)); 511extern void printtrailer P((struct tcb *)); 512extern void tabto P((int)); 513extern void call_summary P((FILE *)); 514extern void tprint_iov P((struct tcb *, unsigned long, unsigned long)); 515extern void tprint_open_modes P((struct tcb *, mode_t)); 516extern int is_restart_error P((struct tcb *)); 517 518#ifdef LINUX 519extern int internal_clone P((struct tcb *)); 520#endif 521extern int internal_fork P((struct tcb *)); 522extern int internal_exec P((struct tcb *)); 523extern int internal_wait P((struct tcb *, int)); 524extern int internal_exit P((struct tcb *)); 525 526extern const struct ioctlent *ioctl_lookup P((long)); 527extern const struct ioctlent *ioctl_next_match P((const struct ioctlent *)); 528extern int ioctl_decode P((struct tcb *, long, long)); 529extern int term_ioctl P((struct tcb *, long, long)); 530extern int sock_ioctl P((struct tcb *, long, long)); 531extern int proc_ioctl P((struct tcb *, int, int)); 532extern int stream_ioctl P((struct tcb *, int, int)); 533#ifdef LINUX 534extern int rtc_ioctl P((struct tcb *, long, long)); 535extern int scsi_ioctl P((struct tcb *, long, long)); 536#endif 537 538extern void tv_tv P((struct timeval *, int, int)); 539extern int tv_nz P((struct timeval *)); 540extern int tv_cmp P((struct timeval *, struct timeval *)); 541extern double tv_float P((struct timeval *)); 542extern void tv_add P((struct timeval *, struct timeval *, struct timeval *)); 543extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *)); 544extern void tv_mul P((struct timeval *, struct timeval *, int)); 545extern void tv_div P((struct timeval *, struct timeval *, int)); 546 547#ifdef SUNOS4 548extern int fixvfork P((struct tcb *)); 549#endif 550#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64)) 551extern long getrval2 P((struct tcb *)); 552#endif 553#ifdef USE_PROCFS 554extern int proc_open P((struct tcb *tcp, int attaching)); 555#endif 556 557#define umove(pid, addr, objp) \ 558 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 559 560#define printtv(tcp, addr) \ 561 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 562#define printtv_special(tcp, addr) \ 563 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 564 565#ifdef __STDC__ 566#ifdef __GNUC__ 567extern void tprintf(const char *fmt, ...) 568 __attribute__ ((format (printf, 1, 2))); 569#else 570extern void tprintf(const char *fmt, ...); 571#endif 572#else 573extern void tprintf(); 574#endif 575 576#ifndef HAVE_STRERROR 577const char *strerror P((int)); 578#endif 579#ifndef HAVE_STRSIGNAL 580const char *strsignal P((int)); 581#endif 582 583extern int current_personality; 584extern const int personality_wordsize[]; 585 586struct sysent { 587 int nargs; 588 int sys_flags; 589 int (*sys_func)(); 590 const char *sys_name; 591 long native_scno; /* Match against SYS_* constants. */ 592}; 593 594extern const struct sysent *sysent; 595extern int nsyscalls; 596 597extern const char *const *errnoent; 598extern int nerrnos; 599 600struct ioctlent { 601 const char *doth; 602 const char *symbol; 603 unsigned long code; 604}; 605 606extern const struct ioctlent *ioctlent; 607extern int nioctlents; 608 609extern const char *const *signalent; 610extern int nsignals; 611 612extern const struct ioctlent ioctlent0[]; 613extern const int nioctlents0; 614extern const char *const signalent0[]; 615extern const int nsignals0; 616 617#if SUPPORTED_PERSONALITIES >= 2 618extern const struct ioctlent ioctlent1[]; 619extern const int nioctlents1; 620extern const char *const signalent1[]; 621extern const int nsignals1; 622#endif /* SUPPORTED_PERSONALITIES >= 2 */ 623 624#if SUPPORTED_PERSONALITIES >= 3 625extern const struct ioctlent ioctlent2[]; 626extern const int nioctlents2; 627extern const char *const signalent2[]; 628extern const int nsignals2; 629#endif /* SUPPORTED_PERSONALITIES >= 3 */ 630 631#if defined(FREEBSD) || (defined(LINUX) \ 632 && defined(POWERPC) && !defined(__powerpc64__)) \ 633 || defined (LINUX_MIPSO32) 634/* ARRGH! off_t args are aligned on 64 bit boundaries! */ 635#define ALIGN64(tcp,arg) \ 636do { \ 637 if (arg % 2) \ 638 memmove (&tcp->u_arg[arg], &tcp->u_arg[arg + 1], \ 639 (tcp->u_nargs - arg - 1) * sizeof tcp->u_arg[0]); \ 640} while (0) 641#else 642#define ALIGN64(tcp,arg) do { } while (0) 643#endif 644 645#if HAVE_LONG_LONG 646 647/* _l refers to the lower numbered u_arg, 648 * _h refers to the higher numbered u_arg 649 */ 650 651#if HAVE_LITTLE_ENDIAN_LONG_LONG 652#define LONG_LONG(_l,_h) \ 653 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 654#else 655#define LONG_LONG(_l,_h) \ 656 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 657#endif 658#endif 659 660#ifdef IA64 661extern long ia32; 662#endif 663 664extern int not_failing_only; 665