defs.h revision 41c48227a86a176da333f713d5047240885f25cc
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 STDC_HEADERS 84#include <stddef.h> 85#endif /* STDC_HEADERS */ 86 87#ifdef HAVE_SIGINFO_T 88#include <signal.h> 89#endif 90 91#if defined(LINUX) 92# if defined(SPARC) || defined(SPARC64) 93# define LINUXSPARC 94# endif 95# if defined(ALPHA) 96# define LINUX_64BIT 97# endif 98# if defined(X86_64) 99# define LINUX_X86_64 100# endif 101# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 102# define LINUX_MIPSO32 103# endif 104# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 105# define LINUX_MIPSN32 106# define LINUX_MIPS64 107# endif 108# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 109# define LINUX_MIPSN64 110# define LINUX_MIPS64 111# endif 112#endif 113 114#if defined(SVR4) || defined(FREEBSD) 115#define USE_PROCFS 116#else 117#undef USE_PROCFS 118#endif 119 120#ifdef FREEBSD 121#ifndef I386 122#error "FreeBSD support is only for i386 arch right now." 123#endif 124#include <machine/psl.h> 125#include <machine/reg.h> 126#include <sys/syscall.h> 127#endif 128 129#ifdef USE_PROCFS 130#include <sys/procfs.h> 131#ifdef HAVE_MP_PROCFS 132#include <sys/uio.h> 133#endif 134#ifdef FREEBSD 135#include <sys/pioctl.h> 136#endif /* FREEBSD */ 137#else /* !USE_PROCFS */ 138#if (defined(LINUXSPARC) || defined (LINUX_X86_64)) && defined(__GLIBC__) 139#include <sys/ptrace.h> 140#else 141/* Work around awkward prototype in ptrace.h. */ 142#define ptrace xptrace 143#include <sys/ptrace.h> 144#undef ptrace 145#ifdef POWERPC 146#define __KERNEL__ 147#include <asm/ptrace.h> 148#undef __KERNEL__ 149#endif 150#ifdef __STDC__ 151#ifdef LINUX 152extern long ptrace(int, int, char *, long); 153#else /* !LINUX */ 154extern int ptrace(int, int, char *, int, ...); 155#endif /* !LINUX */ 156#else /* !__STDC__ */ 157extern int ptrace(); 158#endif /* !__STDC__ */ 159#endif /* !LINUXSPARC */ 160#endif /* !SVR4 */ 161 162#ifdef LINUX 163#if !defined(__GLIBC__) 164#define PTRACE_PEEKUSER PTRACE_PEEKUSR 165#define PTRACE_POKEUSER PTRACE_POKEUSR 166#endif 167#ifdef ALPHA 168# define REG_R0 0 169# define REG_A0 16 170# define REG_A3 19 171# define REG_FP 30 172# define REG_PC 64 173#endif /* ALPHA */ 174#ifdef MIPS 175# define REG_V0 2 176# define REG_A0 4 177# define REG_A3 7 178# define REG_SP 29 179# define REG_EPC 64 180#endif /* MIPS */ 181#ifdef HPPA 182# define PT_GR20 (20*4) 183# define PT_GR26 (26*4) 184# define PT_GR28 (28*4) 185# define PT_IAOQ0 (106*4) 186# define PT_IAOQ1 (107*4) 187#endif /* HPPA */ 188#ifdef SH64 189 /* SH64 Linux - this code assumes the following kernel API for system calls: 190 PC Offset 0 191 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 192 where n = no. of parameters. 193 Other regs Offset 24+ 194 195 On entry: R2-7 = parameters 1-6 (as many as necessary) 196 On return: R9 = result. */ 197 198 /* Offset for peeks of registers */ 199# define REG_OFFSET (24) 200# define REG_GENERAL(x) (8*(x)+REG_OFFSET) 201# define REG_PC (0*8) 202# define REG_SYSCALL (2*8) 203#endif /* SH64 */ 204#endif /* LINUX */ 205 206#define SUPPORTED_PERSONALITIES 1 207#define DEFAULT_PERSONALITY 0 208 209#ifdef LINUXSPARC 210#include <linux/a.out.h> 211#define PERSONALITY0_WORDSIZE 4 212#define PERSONALITY1_WORDSIZE 4 213#undef SUPPORTED_PERSONALITIES 214#if defined(SPARC64) 215#include <asm/psrcompat.h> 216#define SUPPORTED_PERSONALITIES 3 217#define PERSONALITY2_WORDSIZE 8 218#else 219#include <asm/psr.h> 220#define SUPPORTED_PERSONALITIES 2 221#endif /* SPARC64 */ 222#endif /* LINUXSPARC */ 223 224#ifdef X86_64 225#undef SUPPORTED_PERSONALITIES 226#define SUPPORTED_PERSONALITIES 2 227#define PERSONALITY0_WORDSIZE 8 228#define PERSONALITY1_WORDSIZE 4 229#endif 230 231#ifdef ARM 232#undef SUPPORTED_PERSONALITIES 233#define SUPPORTED_PERSONALITIES 2 234#define PERSONALITY0_WORDSIZE 4 235#define PERSONALITY1_WORDSIZE 4 236#endif 237 238#ifdef SVR4 239#ifdef HAVE_MP_PROCFS 240extern int mp_ioctl (int f, int c, void *a, int s); 241#define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 242#define IOCTL_STATUS(t) \ 243 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 244#define IOCTL_WSTOP(t) \ 245 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 246 IOCTL_STATUS (t)) 247#define PR_WHY pr_lwp.pr_why 248#define PR_WHAT pr_lwp.pr_what 249#define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 250#define PR_FLAGS pr_lwp.pr_flags 251#define PR_SYSCALL pr_lwp.pr_syscall 252#define PR_INFO pr_lwp.pr_info 253#define PIOCSTIP PCSTOP 254#define PIOCSET PCSET 255#define PIOCRESET PCRESET 256#define PIOCSTRACE PCSTRACE 257#define PIOCSFAULT PCSFAULT 258#define PIOCWSTOP PCWSTOP 259#define PIOCSTOP PCSTOP 260#define PIOCSENTRY PCSENTRY 261#define PIOCSEXIT PCSEXIT 262#define PIOCRUN PCRUN 263#else 264#define IOCTL ioctl 265#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 266#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 267#define PR_WHY pr_why 268#define PR_WHAT pr_what 269#define PR_REG pr_reg 270#define PR_FLAGS pr_flags 271#define PR_SYSCALL pr_syscall 272#define PR_INFO pr_info 273#endif 274#endif 275#ifdef FREEBSD 276#define IOCTL ioctl 277#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 278#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 279#define PIOCRUN PIOCCONT 280#define PIOCWSTOP PIOCWAIT 281#define PR_WHY why 282#define PR_WHAT val 283#define PR_FLAGS state 284/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 285 status.state = 0 for running, 1 for stopped */ 286#define PR_ASLEEP 1 287#define PR_SYSENTRY S_SCE 288#define PR_SYSEXIT S_SCX 289#define PR_SIGNALLED S_SIG 290#define PR_FAULTED S_CORE 291#endif 292 293/* Trace Control Block */ 294struct tcb { 295 short flags; /* See below for TCB_ values */ 296 int pid; /* Process Id of this entry */ 297 long scno; /* System call number */ 298 int u_nargs; /* System call arguments */ 299 long u_arg[MAX_ARGS]; /* System call arguments */ 300#if defined (LINUX_MIPSN32) 301 long long ext_arg[MAX_ARGS]; /* System call arguments */ 302#endif 303 int u_error; /* Error code */ 304 long u_rval; /* (first) return value */ 305#ifdef HAVE_LONG_LONG 306 long long u_lrval; /* long long return value */ 307#endif 308 FILE *outf; /* Output file for this process */ 309 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 310 struct timeval stime; /* System time usage as of last process wait */ 311 struct timeval dtime; /* Delta for system time usage */ 312 struct timeval etime; /* Syscall entry time */ 313 /* Support for tracing forked processes */ 314 struct tcb *parent; /* Parent of this process */ 315 int nchildren; /* # of traced children */ 316 int waitpid; /* pid(s) this process is waiting for */ 317 int nzombies; /* # of formerly traced children now dead */ 318#ifdef LINUX 319 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 320 int nclone_detached; /* # of nchildren with CLONE_DETACHED */ 321 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 322#endif 323 /* (1st arg of wait4()) */ 324 long baddr; /* `Breakpoint' address */ 325 long inst[2]; /* Instructions on above */ 326 int pfd; /* proc file descriptor */ 327#ifdef SVR4 328#ifdef HAVE_MP_PROCFS 329 int pfd_stat; 330 int pfd_as; 331 pstatus_t status; 332#else 333 prstatus_t status; /* procfs status structure */ 334#endif 335#endif 336#ifdef FREEBSD 337 struct procfs_status status; 338 int pfd_reg; 339 int pfd_status; 340#endif 341}; 342 343/* TCB flags */ 344#define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 345#define TCB_INUSE 00002 /* This table entry is in use */ 346#define TCB_INSYSCALL 00004 /* A system call is in progress */ 347#define TCB_ATTACHED 00010 /* Process is not our own child */ 348#define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 349#define TCB_SUSPENDED 00040 /* Process has done a wait(4), that can 350 not be allowed to complete just now */ 351#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 352#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 353#define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 354#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 355#ifdef LINUX 356# 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) 357# define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 358# endif 359# define TCB_CLONE_DETACHED 04000 /* CLONE_DETACHED set in creating syscall */ 360# define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 361# define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 362# include <sys/syscall.h> 363# ifndef __NR_exit_group 364# /* Hack: Most headers around are too old to have __NR_exit_group. */ 365# ifdef ALPHA 366# define __NR_exit_group 405 367# elif defined I386 368# define __NR_exit_group 252 369# elif defined X86_64 370# define __NR_exit_group 231 371# elif defined IA64 372# define __NR_exit_group 1236 373# elif defined POWERPC 374# define __NR_exit_group 234 375# elif defined S390 || defined S390X 376# define __NR_exit_group 248 377# elif defined SPARC || defined SPARC64 378# define __NR_exit_group 188 379# elif defined M68K 380# define __NR_exit_group 247 381# endif /* ALPHA et al */ 382# endif /* !__NR_exit_group */ 383#endif /* LINUX */ 384 385/* qualifier flags */ 386#define QUAL_TRACE 0001 /* this system call should be traced */ 387#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 388#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 389#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 390#define QUAL_SIGNAL 0020 /* report events with this signal */ 391#define QUAL_FAULT 0040 /* report events with this fault */ 392#define QUAL_READ 0100 /* dump data read on this file descriptor */ 393#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 394 395#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 396#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 397#define syserror(tcp) ((tcp)->u_error != 0) 398#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 399#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 400 401struct xlat { 402 int val; 403 char *str; 404}; 405 406/* Format of syscall return values */ 407#define RVAL_DECIMAL 000 /* decimal format */ 408#define RVAL_HEX 001 /* hex format */ 409#define RVAL_OCTAL 002 /* octal format */ 410#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 411#define RVAL_LDECIMAL 004 /* long decimal format */ 412#define RVAL_LHEX 005 /* long hex format */ 413#define RVAL_LOCTAL 006 /* long octal format */ 414#define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 415#define RVAL_MASK 007 /* mask for these values */ 416 417#define RVAL_STR 010 /* Print `auxstr' field after return val */ 418#define RVAL_NONE 020 /* Print nothing */ 419 420#ifndef offsetof 421#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 422 ((char *) (type *) NULL)) 423#endif /* !offsetof */ 424 425/* get offset of member within a user struct */ 426#define uoff(member) offsetof(struct user, member) 427 428#define TRACE_FILE 001 /* Trace file-related syscalls. */ 429#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 430#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 431#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 432#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 433#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 434 435extern struct tcb **tcbtab; 436extern int *qual_flags; 437extern int debug, followfork; 438extern int dtime, cflag, xflag, qflag; 439extern int acolumn; 440extern unsigned int nprocs, tcbtabsize; 441extern int max_strlen; 442extern struct tcb *tcp_last; 443 444#ifdef __STDC__ 445#define P(args) args 446#else 447#define P(args) () 448#endif 449 450enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 451 452extern int set_personality P((int personality)); 453extern const char *xlookup P((const struct xlat *, int)); 454extern struct tcb *alloc_tcb P((int, int)); 455extern struct tcb *pid2tcb P((int)); 456extern void droptcb P((struct tcb *)); 457extern int expand_tcbtab P((void)); 458 459#define alloctcb(pid) alloc_tcb((pid), 1) 460 461extern void set_sortby P((char *)); 462extern void set_overhead P((int)); 463extern void qualify P((char *)); 464extern int get_scno P((struct tcb *)); 465extern long known_scno P((struct tcb *)); 466extern int trace_syscall P((struct tcb *)); 467extern int count_syscall P((struct tcb *, struct timeval *)); 468extern void printxval P((const struct xlat *, int, const char *)); 469extern int printargs P((struct tcb *)); 470extern int addflags P((const struct xlat *, int)); 471extern int printflags P((const struct xlat *, int, const char *)); 472extern const char *sprintflags P((const char *, const struct xlat *, int)); 473extern int umoven P((struct tcb *, long, int, char *)); 474extern int umovestr P((struct tcb *, long, int, char *)); 475extern int upeek P((int, long, long *)); 476extern void dumpiov P((struct tcb *, int, long)); 477extern void dumpstr P((struct tcb *, long, int)); 478extern void printstr P((struct tcb *, long, int)); 479extern void printnum P((struct tcb *, long, char *)); 480extern void printnum_int P((struct tcb *, long, char *)); 481extern void printpath P((struct tcb *, long)); 482extern void printpathn P((struct tcb *, long, int)); 483extern void printtv_bitness P((struct tcb *, long, enum bitness_t, int)); 484extern void sprinttv P((struct tcb *, long, enum bitness_t, char *)); 485extern void print_timespec P((struct tcb *, long)); 486extern void sprint_timespec P((char *, struct tcb *, long)); 487#ifdef HAVE_SIGINFO_T 488extern void printsiginfo P((siginfo_t *, int)); 489#endif 490extern void printsock P((struct tcb *, long, int)); 491extern void print_sock_optmgmt P((struct tcb *, long, int)); 492extern void printrusage P((struct tcb *, long)); 493extern void printuid P((const char *, unsigned long)); 494extern int clearbpt P((struct tcb *)); 495extern int setbpt P((struct tcb *)); 496extern int sigishandled P((struct tcb *, int)); 497extern void printcall P((struct tcb *)); 498extern const char *signame P((int)); 499extern void print_sigset P((struct tcb *, long, int)); 500extern void printsignal P((int)); 501extern void printleader P((struct tcb *)); 502extern void printtrailer P((struct tcb *)); 503extern void tabto P((int)); 504extern void call_summary P((FILE *)); 505extern void tprint_iov P((struct tcb *, unsigned long, unsigned long)); 506extern void tprint_open_modes P((struct tcb *, mode_t)); 507 508#ifdef LINUX 509extern int internal_clone P((struct tcb *)); 510#endif 511extern int internal_fork P((struct tcb *)); 512extern int internal_exec P((struct tcb *)); 513extern int internal_wait P((struct tcb *, int)); 514extern int internal_exit P((struct tcb *)); 515 516extern const struct ioctlent *ioctl_lookup P((long)); 517extern const struct ioctlent *ioctl_next_match P((const struct ioctlent *)); 518extern int ioctl_decode P((struct tcb *, long, long)); 519extern int term_ioctl P((struct tcb *, long, long)); 520extern int sock_ioctl P((struct tcb *, long, long)); 521extern int proc_ioctl P((struct tcb *, int, int)); 522extern int stream_ioctl P((struct tcb *, int, int)); 523#ifdef LINUX 524extern int rtc_ioctl P((struct tcb *, long, long)); 525extern int scsi_ioctl P((struct tcb *, long, long)); 526#endif 527 528extern void tv_tv P((struct timeval *, int, int)); 529extern int tv_nz P((struct timeval *)); 530extern int tv_cmp P((struct timeval *, struct timeval *)); 531extern double tv_float P((struct timeval *)); 532extern void tv_add P((struct timeval *, struct timeval *, struct timeval *)); 533extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *)); 534extern void tv_mul P((struct timeval *, struct timeval *, int)); 535extern void tv_div P((struct timeval *, struct timeval *, int)); 536 537#ifdef SUNOS4 538extern int fixvfork P((struct tcb *)); 539#endif 540#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64)) 541extern long getrval2 P((struct tcb *)); 542#endif 543#ifdef USE_PROCFS 544extern int proc_open P((struct tcb *tcp, int attaching)); 545#endif 546 547#define umove(pid, addr, objp) \ 548 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 549 550#define printtv(tcp, addr) \ 551 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 552#define printtv_special(tcp, addr) \ 553 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 554 555#ifdef __STDC__ 556#ifdef __GNUC__ 557extern void tprintf(const char *fmt, ...) 558 __attribute__ ((format (printf, 1, 2))); 559#else 560extern void tprintf(const char *fmt, ...); 561#endif 562#else 563extern void tprintf(); 564#endif 565 566#ifndef HAVE_STRERROR 567const char *strerror P((int)); 568#endif 569#ifndef HAVE_STRSIGNAL 570const char *strsignal P((int)); 571#endif 572 573extern int current_personality; 574extern const int personality_wordsize[]; 575 576struct sysent { 577 int nargs; 578 int sys_flags; 579 int (*sys_func)(); 580 const char *sys_name; 581 long native_scno; /* Match against SYS_* constants. */ 582}; 583 584extern const struct sysent *sysent; 585extern int nsyscalls; 586 587extern const char *const *errnoent; 588extern int nerrnos; 589 590struct ioctlent { 591 const char *doth; 592 const char *symbol; 593 unsigned long code; 594}; 595 596extern const struct ioctlent *ioctlent; 597extern int nioctlents; 598 599extern const char *const *signalent; 600extern int nsignals; 601 602extern const struct ioctlent ioctlent0[]; 603extern const int nioctlents0; 604extern const char *const signalent0[]; 605extern const int nsignals0; 606 607#if SUPPORTED_PERSONALITIES >= 2 608extern const struct ioctlent ioctlent1[]; 609extern const int nioctlents1; 610extern const char *const signalent1[]; 611extern const int nsignals1; 612#endif /* SUPPORTED_PERSONALITIES >= 2 */ 613 614#if SUPPORTED_PERSONALITIES >= 3 615extern const struct ioctlent ioctlent2[]; 616extern const int nioctlents2; 617extern const char *const signalent2[]; 618extern const int nsignals2; 619#endif /* SUPPORTED_PERSONALITIES >= 3 */ 620 621#if defined(FREEBSD) || (defined(LINUX) \ 622 && defined(POWERPC) && !defined(__powerpc64__)) \ 623 || defined (LINUX_MIPSO32) 624/* ARRGH! off_t args are aligned on 64 bit boundaries! */ 625#define ALIGN64(tcp,arg) \ 626do { \ 627 if (arg % 2) \ 628 memmove (&tcp->u_arg[arg], &tcp->u_arg[arg + 1], \ 629 (tcp->u_nargs - arg - 1) * sizeof tcp->u_arg[0]); \ 630} while (0) 631#else 632#define ALIGN64(tcp,arg) do { } while (0) 633#endif 634 635#if HAVE_LONG_LONG 636 637/* _l refers to the lower numbered u_arg, 638 * _h refers to the higher numbered u_arg 639 */ 640 641#if HAVE_LITTLE_ENDIAN_LONG_LONG 642#define LONG_LONG(_l,_h) \ 643 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 644#else 645#define LONG_LONG(_l,_h) \ 646 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 647#endif 648#endif 649 650#ifdef IA64 651extern long ia32; 652#endif 653 654extern int not_failing_only; 655