defs.h revision 932fc7d4fc1a29e8b8bcea5685db3f6c2e212e36
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#endif 117 118#if defined(SVR4) || defined(FREEBSD) 119#define USE_PROCFS 120#else 121#undef USE_PROCFS 122#endif 123 124#ifdef FREEBSD 125#ifndef I386 126#error "FreeBSD support is only for i386 arch right now." 127#endif 128#include <machine/psl.h> 129#include <machine/reg.h> 130#include <sys/syscall.h> 131#endif 132 133#ifdef USE_PROCFS 134#include <sys/procfs.h> 135#ifdef HAVE_MP_PROCFS 136#include <sys/uio.h> 137#endif 138#ifdef FREEBSD 139#include <sys/pioctl.h> 140#endif /* FREEBSD */ 141#else /* !USE_PROCFS */ 142#if (defined(LINUXSPARC) || defined (LINUX_X86_64)) && defined(__GLIBC__) 143#include <sys/ptrace.h> 144#else 145/* Work around awkward prototype in ptrace.h. */ 146#define ptrace xptrace 147#include <sys/ptrace.h> 148#undef ptrace 149#ifdef POWERPC 150#define __KERNEL__ 151#include <asm/ptrace.h> 152#undef __KERNEL__ 153#endif 154#ifdef __STDC__ 155#ifdef LINUX 156extern long ptrace(int, int, char *, long); 157#else /* !LINUX */ 158extern int ptrace(int, int, char *, int, ...); 159#endif /* !LINUX */ 160#else /* !__STDC__ */ 161extern int ptrace(); 162#endif /* !__STDC__ */ 163#endif /* !LINUXSPARC */ 164#endif /* !SVR4 */ 165 166#ifdef LINUX 167#if !defined(__GLIBC__) 168#define PTRACE_PEEKUSER PTRACE_PEEKUSR 169#define PTRACE_POKEUSER PTRACE_POKEUSR 170#endif 171#ifdef ALPHA 172# define REG_R0 0 173# define REG_A0 16 174# define REG_A3 19 175# define REG_FP 30 176# define REG_PC 64 177#endif /* ALPHA */ 178#ifdef MIPS 179# define REG_V0 2 180# define REG_A0 4 181# define REG_A3 7 182# define REG_SP 29 183# define REG_EPC 64 184#endif /* MIPS */ 185#ifdef HPPA 186# define PT_GR20 (20*4) 187# define PT_GR26 (26*4) 188# define PT_GR28 (28*4) 189# define PT_IAOQ0 (106*4) 190# define PT_IAOQ1 (107*4) 191#endif /* HPPA */ 192#ifdef SH64 193 /* SH64 Linux - this code assumes the following kernel API for system calls: 194 PC Offset 0 195 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 196 where n = no. of parameters. 197 Other regs Offset 24+ 198 199 On entry: R2-7 = parameters 1-6 (as many as necessary) 200 On return: R9 = result. */ 201 202 /* Offset for peeks of registers */ 203# define REG_OFFSET (24) 204# define REG_GENERAL(x) (8*(x)+REG_OFFSET) 205# define REG_PC (0*8) 206# define REG_SYSCALL (2*8) 207#endif /* SH64 */ 208#endif /* LINUX */ 209 210#define SUPPORTED_PERSONALITIES 1 211#define DEFAULT_PERSONALITY 0 212 213#ifdef LINUXSPARC 214#define PERSONALITY0_WORDSIZE 4 215#define PERSONALITY1_WORDSIZE 4 216#undef SUPPORTED_PERSONALITIES 217#if defined(SPARC64) 218#include <asm/psrcompat.h> 219#define SUPPORTED_PERSONALITIES 3 220#define PERSONALITY2_WORDSIZE 8 221#else 222#include <asm/psr.h> 223#define SUPPORTED_PERSONALITIES 2 224#endif /* SPARC64 */ 225#endif /* LINUXSPARC */ 226 227#ifdef X86_64 228#undef SUPPORTED_PERSONALITIES 229#define SUPPORTED_PERSONALITIES 2 230#define PERSONALITY0_WORDSIZE 8 231#define PERSONALITY1_WORDSIZE 4 232#endif 233 234#ifdef ARM 235#undef SUPPORTED_PERSONALITIES 236#define SUPPORTED_PERSONALITIES 2 237#define PERSONALITY0_WORDSIZE 4 238#define PERSONALITY1_WORDSIZE 4 239#endif 240 241#ifdef SVR4 242#ifdef HAVE_MP_PROCFS 243extern int mp_ioctl (int f, int c, void *a, int s); 244#define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 245#define IOCTL_STATUS(t) \ 246 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 247#define IOCTL_WSTOP(t) \ 248 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 249 IOCTL_STATUS (t)) 250#define PR_WHY pr_lwp.pr_why 251#define PR_WHAT pr_lwp.pr_what 252#define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 253#define PR_FLAGS pr_lwp.pr_flags 254#define PR_SYSCALL pr_lwp.pr_syscall 255#define PR_INFO pr_lwp.pr_info 256#define PIOCSTIP PCSTOP 257#define PIOCSET PCSET 258#define PIOCRESET PCRESET 259#define PIOCSTRACE PCSTRACE 260#define PIOCSFAULT PCSFAULT 261#define PIOCWSTOP PCWSTOP 262#define PIOCSTOP PCSTOP 263#define PIOCSENTRY PCSENTRY 264#define PIOCSEXIT PCSEXIT 265#define PIOCRUN PCRUN 266#else 267#define IOCTL ioctl 268#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 269#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 270#define PR_WHY pr_why 271#define PR_WHAT pr_what 272#define PR_REG pr_reg 273#define PR_FLAGS pr_flags 274#define PR_SYSCALL pr_syscall 275#define PR_INFO pr_info 276#endif 277#endif 278#ifdef FREEBSD 279#define IOCTL ioctl 280#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 281#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 282#define PIOCRUN PIOCCONT 283#define PIOCWSTOP PIOCWAIT 284#define PR_WHY why 285#define PR_WHAT val 286#define PR_FLAGS state 287/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 288 status.state = 0 for running, 1 for stopped */ 289#define PR_ASLEEP 1 290#define PR_SYSENTRY S_SCE 291#define PR_SYSEXIT S_SCX 292#define PR_SIGNALLED S_SIG 293#define PR_FAULTED S_CORE 294#endif 295 296/* Trace Control Block */ 297struct tcb { 298 short flags; /* See below for TCB_ values */ 299 int pid; /* Process Id of this entry */ 300 long scno; /* System call number */ 301 int u_nargs; /* System call arguments */ 302 long u_arg[MAX_ARGS]; /* System call arguments */ 303#if defined (LINUX_MIPSN32) 304 long long ext_arg[MAX_ARGS]; /* System call arguments */ 305#endif 306 int u_error; /* Error code */ 307 long u_rval; /* (first) return value */ 308#ifdef HAVE_LONG_LONG 309 long long u_lrval; /* long long return value */ 310#endif 311 FILE *outf; /* Output file for this process */ 312 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 313 struct timeval stime; /* System time usage as of last process wait */ 314 struct timeval dtime; /* Delta for system time usage */ 315 struct timeval etime; /* Syscall entry time */ 316 /* Support for tracing forked processes */ 317 struct tcb *parent; /* Parent of this process */ 318 int nchildren; /* # of traced children */ 319 int waitpid; /* pid(s) this process is waiting for */ 320 int nzombies; /* # of formerly traced children now dead */ 321#ifdef LINUX 322 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 323 int nclone_detached; /* # of nchildren with CLONE_DETACHED */ 324 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 325#endif 326 /* (1st arg of wait4()) */ 327 long baddr; /* `Breakpoint' address */ 328 long inst[2]; /* Instructions on above */ 329 int pfd; /* proc file descriptor */ 330#ifdef SVR4 331#ifdef HAVE_MP_PROCFS 332 int pfd_stat; 333 int pfd_as; 334 pstatus_t status; 335#else 336 prstatus_t status; /* procfs status structure */ 337#endif 338#endif 339#ifdef FREEBSD 340 struct procfs_status status; 341 int pfd_reg; 342 int pfd_status; 343#endif 344}; 345 346/* TCB flags */ 347#define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 348#define TCB_INUSE 00002 /* This table entry is in use */ 349#define TCB_INSYSCALL 00004 /* A system call is in progress */ 350#define TCB_ATTACHED 00010 /* Process is not our own child */ 351#define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 352#define TCB_SUSPENDED 00040 /* Process has done a wait(4), that can 353 not be allowed to complete just now */ 354#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 355#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 356#define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 357#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 358#ifdef LINUX 359# 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) 360# define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 361# endif 362# define TCB_CLONE_DETACHED 04000 /* CLONE_DETACHED set in creating syscall */ 363# define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 364# define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 365# include <sys/syscall.h> 366# ifndef __NR_exit_group 367# /* Hack: Most headers around are too old to have __NR_exit_group. */ 368# ifdef ALPHA 369# define __NR_exit_group 405 370# elif defined I386 371# define __NR_exit_group 252 372# elif defined X86_64 373# define __NR_exit_group 231 374# elif defined IA64 375# define __NR_exit_group 1236 376# elif defined POWERPC 377# define __NR_exit_group 234 378# elif defined S390 || defined S390X 379# define __NR_exit_group 248 380# elif defined SPARC || defined SPARC64 381# define __NR_exit_group 188 382# elif defined M68K 383# define __NR_exit_group 247 384# endif /* ALPHA et al */ 385# endif /* !__NR_exit_group */ 386#endif /* LINUX */ 387 388/* qualifier flags */ 389#define QUAL_TRACE 0001 /* this system call should be traced */ 390#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 391#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 392#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 393#define QUAL_SIGNAL 0020 /* report events with this signal */ 394#define QUAL_FAULT 0040 /* report events with this fault */ 395#define QUAL_READ 0100 /* dump data read on this file descriptor */ 396#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 397 398#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 399#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 400#define syserror(tcp) ((tcp)->u_error != 0) 401#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 402#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 403 404struct xlat { 405 int val; 406 char *str; 407}; 408 409/* Format of syscall return values */ 410#define RVAL_DECIMAL 000 /* decimal format */ 411#define RVAL_HEX 001 /* hex format */ 412#define RVAL_OCTAL 002 /* octal format */ 413#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 414#define RVAL_LDECIMAL 004 /* long decimal format */ 415#define RVAL_LHEX 005 /* long hex format */ 416#define RVAL_LOCTAL 006 /* long octal format */ 417#define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 418#define RVAL_MASK 007 /* mask for these values */ 419 420#define RVAL_STR 010 /* Print `auxstr' field after return val */ 421#define RVAL_NONE 020 /* Print nothing */ 422 423#ifndef offsetof 424#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 425 ((char *) (type *) NULL)) 426#endif /* !offsetof */ 427 428/* get offset of member within a user struct */ 429#define uoff(member) offsetof(struct user, member) 430 431#define TRACE_FILE 001 /* Trace file-related syscalls. */ 432#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 433#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 434#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 435#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 436#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 437 438extern struct tcb **tcbtab; 439extern int *qual_flags; 440extern int debug, followfork; 441extern int dtime, cflag, xflag, qflag; 442extern int acolumn; 443extern unsigned int nprocs, tcbtabsize; 444extern int max_strlen; 445extern struct tcb *tcp_last; 446 447#ifdef __STDC__ 448#define P(args) args 449#else 450#define P(args) () 451#endif 452 453enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 454 455extern int set_personality P((int personality)); 456extern const char *xlookup P((const struct xlat *, int)); 457extern struct tcb *alloc_tcb P((int, int)); 458extern struct tcb *pid2tcb P((int)); 459extern void droptcb P((struct tcb *)); 460extern int expand_tcbtab P((void)); 461 462#define alloctcb(pid) alloc_tcb((pid), 1) 463 464extern void set_sortby P((char *)); 465extern void set_overhead P((int)); 466extern void qualify P((char *)); 467extern int get_scno P((struct tcb *)); 468extern long known_scno P((struct tcb *)); 469extern int trace_syscall P((struct tcb *)); 470extern int count_syscall P((struct tcb *, struct timeval *)); 471extern void printxval P((const struct xlat *, int, const char *)); 472extern int printargs P((struct tcb *)); 473extern int addflags P((const struct xlat *, int)); 474extern int printflags P((const struct xlat *, int, const char *)); 475extern const char *sprintflags P((const char *, const struct xlat *, int)); 476extern int umoven P((struct tcb *, long, int, char *)); 477extern int umovestr P((struct tcb *, long, int, char *)); 478extern int upeek P((struct tcb *, long, long *)); 479extern void dumpiov P((struct tcb *, int, long)); 480extern void dumpstr P((struct tcb *, long, int)); 481extern void printstr P((struct tcb *, long, int)); 482extern void printnum P((struct tcb *, long, char *)); 483extern void printnum_int P((struct tcb *, long, char *)); 484extern void printpath P((struct tcb *, long)); 485extern void printpathn P((struct tcb *, long, int)); 486extern void printtv_bitness P((struct tcb *, long, enum bitness_t, int)); 487extern void sprinttv P((struct tcb *, long, enum bitness_t, char *)); 488extern void print_timespec P((struct tcb *, long)); 489extern void sprint_timespec P((char *, struct tcb *, long)); 490#ifdef HAVE_SIGINFO_T 491extern void printsiginfo P((siginfo_t *, int)); 492#endif 493extern void printsock P((struct tcb *, long, int)); 494extern void print_sock_optmgmt P((struct tcb *, long, int)); 495extern void printrusage P((struct tcb *, long)); 496extern void printuid P((const char *, unsigned long)); 497extern int clearbpt P((struct tcb *)); 498extern int setbpt P((struct tcb *)); 499extern int sigishandled P((struct tcb *, int)); 500extern void printcall P((struct tcb *)); 501extern const char *signame P((int)); 502extern void print_sigset P((struct tcb *, long, int)); 503extern void printsignal P((int)); 504extern void printleader P((struct tcb *)); 505extern void printtrailer P((struct tcb *)); 506extern void tabto P((int)); 507extern void call_summary P((FILE *)); 508extern void tprint_iov P((struct tcb *, unsigned long, unsigned long)); 509extern void tprint_open_modes P((struct tcb *, mode_t)); 510extern int is_restart_error P((struct tcb *)); 511 512#ifdef LINUX 513extern int internal_clone P((struct tcb *)); 514#endif 515extern int internal_fork P((struct tcb *)); 516extern int internal_exec P((struct tcb *)); 517extern int internal_wait P((struct tcb *, int)); 518extern int internal_exit P((struct tcb *)); 519 520extern const struct ioctlent *ioctl_lookup P((long)); 521extern const struct ioctlent *ioctl_next_match P((const struct ioctlent *)); 522extern int ioctl_decode P((struct tcb *, long, long)); 523extern int term_ioctl P((struct tcb *, long, long)); 524extern int sock_ioctl P((struct tcb *, long, long)); 525extern int proc_ioctl P((struct tcb *, int, int)); 526extern int stream_ioctl P((struct tcb *, int, int)); 527#ifdef LINUX 528extern int rtc_ioctl P((struct tcb *, long, long)); 529extern int scsi_ioctl P((struct tcb *, long, long)); 530#endif 531 532extern void tv_tv P((struct timeval *, int, int)); 533extern int tv_nz P((struct timeval *)); 534extern int tv_cmp P((struct timeval *, struct timeval *)); 535extern double tv_float P((struct timeval *)); 536extern void tv_add P((struct timeval *, struct timeval *, struct timeval *)); 537extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *)); 538extern void tv_mul P((struct timeval *, struct timeval *, int)); 539extern void tv_div P((struct timeval *, struct timeval *, int)); 540 541#ifdef SUNOS4 542extern int fixvfork P((struct tcb *)); 543#endif 544#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64)) 545extern long getrval2 P((struct tcb *)); 546#endif 547#ifdef USE_PROCFS 548extern int proc_open P((struct tcb *tcp, int attaching)); 549#endif 550 551#define umove(pid, addr, objp) \ 552 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 553 554#define printtv(tcp, addr) \ 555 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 556#define printtv_special(tcp, addr) \ 557 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 558 559#ifdef __STDC__ 560#ifdef __GNUC__ 561extern void tprintf(const char *fmt, ...) 562 __attribute__ ((format (printf, 1, 2))); 563#else 564extern void tprintf(const char *fmt, ...); 565#endif 566#else 567extern void tprintf(); 568#endif 569 570#ifndef HAVE_STRERROR 571const char *strerror P((int)); 572#endif 573#ifndef HAVE_STRSIGNAL 574const char *strsignal P((int)); 575#endif 576 577extern int current_personality; 578extern const int personality_wordsize[]; 579 580struct sysent { 581 int nargs; 582 int sys_flags; 583 int (*sys_func)(); 584 const char *sys_name; 585 long native_scno; /* Match against SYS_* constants. */ 586}; 587 588extern const struct sysent *sysent; 589extern int nsyscalls; 590 591extern const char *const *errnoent; 592extern int nerrnos; 593 594struct ioctlent { 595 const char *doth; 596 const char *symbol; 597 unsigned long code; 598}; 599 600extern const struct ioctlent *ioctlent; 601extern int nioctlents; 602 603extern const char *const *signalent; 604extern int nsignals; 605 606extern const struct ioctlent ioctlent0[]; 607extern const int nioctlents0; 608extern const char *const signalent0[]; 609extern const int nsignals0; 610 611#if SUPPORTED_PERSONALITIES >= 2 612extern const struct ioctlent ioctlent1[]; 613extern const int nioctlents1; 614extern const char *const signalent1[]; 615extern const int nsignals1; 616#endif /* SUPPORTED_PERSONALITIES >= 2 */ 617 618#if SUPPORTED_PERSONALITIES >= 3 619extern const struct ioctlent ioctlent2[]; 620extern const int nioctlents2; 621extern const char *const signalent2[]; 622extern const int nsignals2; 623#endif /* SUPPORTED_PERSONALITIES >= 3 */ 624 625#if defined(FREEBSD) || (defined(LINUX) \ 626 && defined(POWERPC) && !defined(__powerpc64__)) \ 627 || defined (LINUX_MIPSO32) 628/* ARRGH! off_t args are aligned on 64 bit boundaries! */ 629#define ALIGN64(tcp,arg) \ 630do { \ 631 if (arg % 2) \ 632 memmove (&tcp->u_arg[arg], &tcp->u_arg[arg + 1], \ 633 (tcp->u_nargs - arg - 1) * sizeof tcp->u_arg[0]); \ 634} while (0) 635#else 636#define ALIGN64(tcp,arg) do { } while (0) 637#endif 638 639#if HAVE_LONG_LONG 640 641/* _l refers to the lower numbered u_arg, 642 * _h refers to the higher numbered u_arg 643 */ 644 645#if HAVE_LITTLE_ENDIAN_LONG_LONG 646#define LONG_LONG(_l,_h) \ 647 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 648#else 649#define LONG_LONG(_l,_h) \ 650 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 651#endif 652#endif 653 654#ifdef IA64 655extern long ia32; 656#endif 657 658extern int not_failing_only; 659