defs.h revision f76f96e20f766e6bb91593885b1e800f8bc14a52
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# ifdef HPPA 68# define MAX_ARGS 6 /* maximum number of args to a syscall */ 69# else 70# define MAX_ARGS 32 /* maximum number of args to a syscall */ 71# endif 72#endif 73#ifndef DEFAULT_SORTBY 74#define DEFAULT_SORTBY "time" /* default sorting method for call profiling */ 75#endif 76 77#include <sys/types.h> 78#include <unistd.h> 79#include <stdlib.h> 80#include <stdio.h> 81#include <ctype.h> 82#include <string.h> 83#include <time.h> 84#include <sys/time.h> 85#include <errno.h> 86 87#ifdef HAVE_STDBOOL_H 88#include <stdbool.h> 89#endif 90 91#ifdef STDC_HEADERS 92#include <stddef.h> 93#endif /* STDC_HEADERS */ 94 95#ifdef HAVE_SIGINFO_T 96#include <signal.h> 97#endif 98 99#if defined(LINUX) 100# if defined(SPARC) || defined(SPARC64) 101# define LINUXSPARC 102# endif 103# if defined(X86_64) 104# define LINUX_X86_64 105# endif 106# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI32 107# define LINUX_MIPSO32 108# endif 109# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_NABI32 110# define LINUX_MIPSN32 111# define LINUX_MIPS64 112# endif 113# if defined(MIPS) && _MIPS_SIM == _MIPS_SIM_ABI64 114# define LINUX_MIPSN64 115# define LINUX_MIPS64 116# endif 117# if defined(ARM) 118# define LINUX_ARM 119# endif 120# if defined(AVR32) 121# define LINUX_AVR32 122# endif 123#endif 124 125#if defined(SVR4) || defined(FREEBSD) 126#define USE_PROCFS 127#else 128#undef USE_PROCFS 129#endif 130 131#ifdef FREEBSD 132#ifndef I386 133#error "FreeBSD support is only for i386 arch right now." 134#endif 135#include <machine/psl.h> 136#include <machine/reg.h> 137#include <sys/syscall.h> 138#endif 139 140#ifdef USE_PROCFS 141#include <sys/procfs.h> 142#ifdef HAVE_MP_PROCFS 143#include <sys/uio.h> 144#endif 145#ifdef FREEBSD 146#include <sys/pioctl.h> 147#endif /* FREEBSD */ 148#else /* !USE_PROCFS */ 149#if (defined(LINUXSPARC) || defined(LINUX_X86_64) || defined(LINUX_ARM) || defined(LINUX_AVR32)) && defined(__GLIBC__) 150#include <sys/ptrace.h> 151#else 152/* Work around awkward prototype in ptrace.h. */ 153#define ptrace xptrace 154#include <sys/ptrace.h> 155#undef ptrace 156#ifdef POWERPC 157#define __KERNEL__ 158#include <asm/ptrace.h> 159#undef __KERNEL__ 160#endif 161#ifdef LINUX 162extern long ptrace(int, int, char *, long); 163#else /* !LINUX */ 164extern int ptrace(int, int, char *, int, ...); 165#endif /* !LINUX */ 166#endif /* !LINUXSPARC */ 167#endif /* !SVR4 */ 168 169#ifdef LINUX 170#if !defined(__GLIBC__) 171#define PTRACE_PEEKUSER PTRACE_PEEKUSR 172#define PTRACE_POKEUSER PTRACE_POKEUSR 173#endif 174#ifdef ALPHA 175# define REG_R0 0 176# define REG_A0 16 177# define REG_A3 19 178# define REG_FP 30 179# define REG_PC 64 180#endif /* ALPHA */ 181#ifdef MIPS 182# define REG_V0 2 183# define REG_A0 4 184# define REG_A3 7 185# define REG_SP 29 186# define REG_EPC 64 187#endif /* MIPS */ 188#ifdef HPPA 189# define PT_GR20 (20*4) 190# define PT_GR26 (26*4) 191# define PT_GR28 (28*4) 192# define PT_IAOQ0 (106*4) 193# define PT_IAOQ1 (107*4) 194#endif /* HPPA */ 195#ifdef SH64 196 /* SH64 Linux - this code assumes the following kernel API for system calls: 197 PC Offset 0 198 System Call Offset 16 (actually, (syscall no.) | (0x1n << 16), 199 where n = no. of parameters. 200 Other regs Offset 24+ 201 202 On entry: R2-7 = parameters 1-6 (as many as necessary) 203 On return: R9 = result. */ 204 205 /* Offset for peeks of registers */ 206# define REG_OFFSET (24) 207# define REG_GENERAL(x) (8*(x)+REG_OFFSET) 208# define REG_PC (0*8) 209# define REG_SYSCALL (2*8) 210#endif /* SH64 */ 211#endif /* LINUX */ 212 213#define SUPPORTED_PERSONALITIES 1 214#define DEFAULT_PERSONALITY 0 215 216#ifdef LINUXSPARC 217/* Indexes into the pt_regs.u_reg[] array -- UREG_XX from kernel are all off 218 * by 1 and use Ix instead of Ox. These work for both 32 and 64 bit Linux. */ 219#define U_REG_G1 0 220#define U_REG_O0 7 221#define U_REG_O1 8 222#define PERSONALITY0_WORDSIZE 4 223#define PERSONALITY1_WORDSIZE 4 224#undef SUPPORTED_PERSONALITIES 225#if defined(SPARC64) 226#include <asm/psrcompat.h> 227#define SUPPORTED_PERSONALITIES 3 228#define PERSONALITY2_WORDSIZE 8 229#else 230#include <asm/psr.h> 231#define SUPPORTED_PERSONALITIES 2 232#endif /* SPARC64 */ 233#endif /* LINUXSPARC */ 234 235#ifdef X86_64 236#undef SUPPORTED_PERSONALITIES 237#define SUPPORTED_PERSONALITIES 2 238#define PERSONALITY0_WORDSIZE 8 239#define PERSONALITY1_WORDSIZE 4 240#endif 241 242#ifdef ARM 243#undef SUPPORTED_PERSONALITIES 244#define SUPPORTED_PERSONALITIES 2 245#define PERSONALITY0_WORDSIZE 4 246#define PERSONALITY1_WORDSIZE 4 247#endif 248 249#ifdef POWERPC64 250#undef SUPPORTED_PERSONALITIES 251#define SUPPORTED_PERSONALITIES 2 252#define PERSONALITY0_WORDSIZE 8 253#define PERSONALITY1_WORDSIZE 4 254#endif 255 256#ifdef SVR4 257#ifdef HAVE_MP_PROCFS 258extern int mp_ioctl (int f, int c, void *a, int s); 259#define IOCTL(f,c,a) mp_ioctl (f, c, a, sizeof *a) 260#define IOCTL_STATUS(t) \ 261 pread (t->pfd_stat, &t->status, sizeof t->status, 0) 262#define IOCTL_WSTOP(t) \ 263 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \ 264 IOCTL_STATUS (t)) 265#define PR_WHY pr_lwp.pr_why 266#define PR_WHAT pr_lwp.pr_what 267#define PR_REG pr_lwp.pr_context.uc_mcontext.gregs 268#define PR_FLAGS pr_lwp.pr_flags 269#define PR_SYSCALL pr_lwp.pr_syscall 270#define PR_INFO pr_lwp.pr_info 271#define PIOCSTIP PCSTOP 272#define PIOCSET PCSET 273#define PIOCRESET PCRESET 274#define PIOCSTRACE PCSTRACE 275#define PIOCSFAULT PCSFAULT 276#define PIOCWSTOP PCWSTOP 277#define PIOCSTOP PCSTOP 278#define PIOCSENTRY PCSENTRY 279#define PIOCSEXIT PCSEXIT 280#define PIOCRUN PCRUN 281#else 282#define IOCTL ioctl 283#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 284#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status) 285#define PR_WHY pr_why 286#define PR_WHAT pr_what 287#define PR_REG pr_reg 288#define PR_FLAGS pr_flags 289#define PR_SYSCALL pr_syscall 290#define PR_INFO pr_info 291#endif 292#endif 293#ifdef FREEBSD 294#define IOCTL ioctl 295#define IOCTL_STATUS(t) ioctl (t->pfd, PIOCSTATUS, &t->status) 296#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWAIT, &t->status) 297#define PIOCRUN PIOCCONT 298#define PIOCWSTOP PIOCWAIT 299#define PR_WHY why 300#define PR_WHAT val 301#define PR_FLAGS state 302/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c, 303 status.state = 0 for running, 1 for stopped */ 304#define PR_ASLEEP 1 305#define PR_SYSENTRY S_SCE 306#define PR_SYSEXIT S_SCX 307#define PR_SIGNALLED S_SIG 308#define PR_FAULTED S_CORE 309#endif 310 311#ifdef LINUX 312# if !HAVE_DECL_PTRACE_SETOPTIONS 313# define PTRACE_SETOPTIONS 0x4200 314# endif 315# if !HAVE_DECL_PTRACE_GETEVENTMSG 316# define PTRACE_GETEVENTMSG 0x4201 317# endif 318# if !HAVE_DECL_PTRACE_GETSIGINFO 319# define PTRACE_GETSIGINFO 0x4202 320# endif 321# if !HAVE_DECL_PTRACE_O_TRACEFORK 322# define PTRACE_O_TRACEFORK 0x00000002 323# endif 324# if !HAVE_DECL_PTRACE_O_TRACEVFORK 325# define PTRACE_O_TRACEVFORK 0x00000004 326# endif 327# if !HAVE_DECL_PTRACE_O_TRACECLONE 328# define PTRACE_O_TRACECLONE 0x00000008 329# endif 330 331# if !HAVE_DECL_PTRACE_EVENT_FORK 332# define PTRACE_EVENT_FORK 1 333# endif 334# if !HAVE_DECL_PTRACE_EVENT_VFORK 335# define PTRACE_EVENT_VFORK 2 336# endif 337# if !HAVE_DECL_PTRACE_EVENT_CLONE 338# define PTRACE_EVENT_CLONE 3 339# endif 340#endif /* LINUX */ 341 342/* Trace Control Block */ 343struct tcb { 344 short flags; /* See below for TCB_ values */ 345 int pid; /* Process Id of this entry */ 346 long scno; /* System call number */ 347 int u_nargs; /* System call arguments */ 348 long u_arg[MAX_ARGS]; /* System call arguments */ 349#if defined (LINUX_MIPSN32) 350 long long ext_arg[MAX_ARGS]; /* System call arguments */ 351#endif 352 int u_error; /* Error code */ 353 long u_rval; /* (first) return value */ 354#ifdef HAVE_LONG_LONG 355 long long u_lrval; /* long long return value */ 356#endif 357 FILE *outf; /* Output file for this process */ 358 int curcol; /* Output column for this process */ 359 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */ 360 struct timeval stime; /* System time usage as of last process wait */ 361 struct timeval dtime; /* Delta for system time usage */ 362 struct timeval etime; /* Syscall entry time */ 363 /* Support for tracing forked processes */ 364 struct tcb *parent; /* Parent of this process */ 365 int nchildren; /* # of traced children */ 366 int waitpid; /* pid(s) this process is waiting for */ 367 int nzombies; /* # of formerly traced children now dead */ 368#ifdef LINUX 369 int nclone_threads; /* # of nchildren with CLONE_THREAD */ 370 int nclone_waiting; /* clone threads in wait4 (TCB_SUSPENDED) */ 371#endif 372 /* (1st arg of wait4()) */ 373 long baddr; /* `Breakpoint' address */ 374 long inst[2]; /* Instructions on above */ 375 int pfd; /* proc file descriptor */ 376#ifdef SVR4 377#ifdef HAVE_MP_PROCFS 378 int pfd_stat; 379 int pfd_as; 380 pstatus_t status; 381#else 382 prstatus_t status; /* procfs status structure */ 383#endif 384#endif 385 int ptrace_errno; 386#ifdef FREEBSD 387 struct procfs_status status; 388 int pfd_reg; 389 int pfd_status; 390#endif 391}; 392 393/* TCB flags */ 394#define TCB_STARTUP 00001 /* We have just begun ptracing this process */ 395#define TCB_INUSE 00002 /* This table entry is in use */ 396#define TCB_INSYSCALL 00004 /* A system call is in progress */ 397#define TCB_ATTACHED 00010 /* Process is not our own child */ 398#define TCB_EXITING 00020 /* As far as we know, this process is exiting */ 399#define TCB_SUSPENDED 00040 /* Process can not be allowed to resume just now */ 400#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */ 401#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */ 402#define TCB_FOLLOWFORK 00400 /* Process should have forks followed */ 403#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */ 404#ifdef LINUX 405/* x86 does not need TCB_WAITEXECVE. 406 * It can detect execve's SIGTRAP by looking at eax/rax. 407 * See "stray syscall exit: eax = " message in syscall_fixup(). 408 */ 409# if defined(ALPHA) || defined(AVR32) || defined(SPARC) || defined(SPARC64) \ 410 || defined(POWERPC) || defined(IA64) || defined(HPPA) \ 411 || defined(SH) || defined(SH64) || defined(S390) || defined(S390X) \ 412 || defined(ARM) || defined(MIPS) || defined(BFIN) || defined(TILE) 413# define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */ 414# endif 415# define TCB_CLONE_THREAD 010000 /* CLONE_THREAD set in creating syscall */ 416# define TCB_GROUP_EXITING 020000 /* TCB_EXITING was exit_group, not _exit */ 417# include <sys/syscall.h> 418# ifndef __NR_exit_group 419# /* Hack: Most headers around are too old to have __NR_exit_group. */ 420# ifdef ALPHA 421# define __NR_exit_group 405 422# elif defined I386 423# define __NR_exit_group 252 424# elif defined X86_64 425# define __NR_exit_group 231 426# elif defined IA64 427# define __NR_exit_group 1236 428# elif defined POWERPC 429# define __NR_exit_group 234 430# elif defined S390 || defined S390X 431# define __NR_exit_group 248 432# elif defined SPARC || defined SPARC64 433# define __NR_exit_group 188 434# elif defined M68K 435# define __NR_exit_group 247 436# endif /* ALPHA et al */ 437# endif /* !__NR_exit_group */ 438#endif /* LINUX */ 439 440/* qualifier flags */ 441#define QUAL_TRACE 0001 /* this system call should be traced */ 442#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */ 443#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */ 444#define QUAL_RAW 0010 /* print all args in hex for this syscall */ 445#define QUAL_SIGNAL 0020 /* report events with this signal */ 446#define QUAL_FAULT 0040 /* report events with this fault */ 447#define QUAL_READ 0100 /* dump data read on this file descriptor */ 448#define QUAL_WRITE 0200 /* dump data written to this file descriptor */ 449 450#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL)) 451#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL) 452#define syserror(tcp) ((tcp)->u_error != 0) 453#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE) 454#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV) 455 456struct xlat { 457 int val; 458 const char *str; 459}; 460 461extern const struct xlat open_mode_flags[]; 462extern const struct xlat addrfams[]; 463extern const struct xlat struct_user_offsets[]; 464extern const struct xlat open_access_modes[]; 465 466/* Format of syscall return values */ 467#define RVAL_DECIMAL 000 /* decimal format */ 468#define RVAL_HEX 001 /* hex format */ 469#define RVAL_OCTAL 002 /* octal format */ 470#define RVAL_UDECIMAL 003 /* unsigned decimal format */ 471#define RVAL_LDECIMAL 004 /* long decimal format */ 472#define RVAL_LHEX 005 /* long hex format */ 473#define RVAL_LOCTAL 006 /* long octal format */ 474#define RVAL_LUDECIMAL 007 /* long unsigned decimal format */ 475#define RVAL_MASK 007 /* mask for these values */ 476 477#define RVAL_STR 010 /* Print `auxstr' field after return val */ 478#define RVAL_NONE 020 /* Print nothing */ 479 480#ifndef offsetof 481#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \ 482 ((char *) (type *) NULL)) 483#endif /* !offsetof */ 484 485/* get offset of member within a user struct */ 486#define uoff(member) offsetof(struct user, member) 487 488#define TRACE_FILE 001 /* Trace file-related syscalls. */ 489#define TRACE_IPC 002 /* Trace IPC-related syscalls. */ 490#define TRACE_NETWORK 004 /* Trace network-related syscalls. */ 491#define TRACE_PROCESS 010 /* Trace process-related syscalls. */ 492#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */ 493#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */ 494#define SYSCALL_NEVER_FAILS 0100 /* Syscall is always successful. */ 495 496typedef enum { 497 CFLAG_NONE = 0, 498 CFLAG_ONLY_STATS, 499 CFLAG_BOTH 500} cflag_t; 501 502extern struct tcb **tcbtab; 503extern int *qual_flags; 504extern int debug, followfork; 505extern unsigned int ptrace_setoptions; 506extern int dtime, xflag, qflag; 507extern cflag_t cflag; 508extern int acolumn; 509extern unsigned int nprocs, tcbtabsize; 510extern int max_strlen; 511extern struct tcb *tcp_last; 512 513enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 }; 514 515extern int set_personality(int personality); 516extern const char *xlookup(const struct xlat *, int); 517extern struct tcb *alloc_tcb(int, int); 518extern struct tcb *pid2tcb(int); 519extern void droptcb(struct tcb *); 520extern void expand_tcbtab(void); 521 522#define alloctcb(pid) alloc_tcb((pid), 1) 523 524extern void set_sortby(const char *); 525extern void set_overhead(int); 526extern void qualify(const char *); 527extern int get_scno(struct tcb *); 528extern long known_scno(struct tcb *); 529extern long do_ptrace(int request, struct tcb *tcp, void *addr, void *data); 530extern int ptrace_restart(int request, struct tcb *tcp, int sig); 531extern int force_result(struct tcb *, int, long); 532extern int trace_syscall(struct tcb *); 533extern int count_syscall(struct tcb *, struct timeval *); 534extern void printxval(const struct xlat *, int, const char *); 535extern int printargs(struct tcb *); 536extern int addflags(const struct xlat *, int); 537extern int printflags(const struct xlat *, int, const char *); 538extern const char *sprintflags(const char *, const struct xlat *, int); 539extern int umoven(struct tcb *, long, int, char *); 540extern int umovestr(struct tcb *, long, int, char *); 541extern int upeek(struct tcb *, long, long *); 542extern void dumpiov(struct tcb *, int, long); 543extern void dumpstr(struct tcb *, long, int); 544extern void printstr(struct tcb *, long, int); 545extern void printnum(struct tcb *, long, const char *); 546extern void printnum_int(struct tcb *, long, const char *); 547extern void printpath(struct tcb *, long); 548extern void printpathn(struct tcb *, long, int); 549extern void printtv_bitness(struct tcb *, long, enum bitness_t, int); 550extern void sprinttv(struct tcb *, long, enum bitness_t, char *); 551extern void print_timespec(struct tcb *, long); 552extern void sprint_timespec(char *, struct tcb *, long); 553#ifdef HAVE_SIGINFO_T 554extern void printsiginfo(siginfo_t *, int); 555#endif 556extern void printfd(struct tcb *, int); 557extern void printsock(struct tcb *, long, int); 558extern void print_sock_optmgmt(struct tcb *, long, int); 559extern void printrusage(struct tcb *, long); 560extern void printuid(const char *, unsigned long); 561extern int clearbpt(struct tcb *); 562extern int setbpt(struct tcb *); 563extern int sigishandled(struct tcb *, int); 564extern void printcall(struct tcb *); 565extern const char *signame(int); 566extern void print_sigset(struct tcb *, long, int); 567extern void printsignal(int); 568extern void printleader(struct tcb *); 569extern void printtrailer(void); 570extern void tabto(int); 571extern void call_summary(FILE *); 572extern void tprint_iov(struct tcb *, unsigned long, unsigned long); 573extern void tprint_open_modes(mode_t); 574extern const char *sprint_open_modes(mode_t); 575extern int is_restart_error(struct tcb *); 576 577extern int change_syscall(struct tcb *, int); 578extern int internal_fork(struct tcb *); 579extern int internal_exec(struct tcb *); 580extern int internal_wait(struct tcb *, int); 581extern int internal_exit(struct tcb *); 582#ifdef LINUX 583extern int handle_new_child(struct tcb *, int, int); 584#endif 585 586extern const struct ioctlent *ioctl_lookup(long); 587extern const struct ioctlent *ioctl_next_match(const struct ioctlent *); 588extern int ioctl_decode(struct tcb *, long, long); 589extern int term_ioctl(struct tcb *, long, long); 590extern int sock_ioctl(struct tcb *, long, long); 591extern int proc_ioctl(struct tcb *, int, int); 592extern int stream_ioctl(struct tcb *, int, int); 593#ifdef LINUX 594extern int rtc_ioctl(struct tcb *, long, long); 595extern int scsi_ioctl(struct tcb *, long, long); 596extern int block_ioctl(struct tcb *, long, long); 597#endif 598 599extern int tv_nz(struct timeval *); 600extern int tv_cmp(struct timeval *, struct timeval *); 601extern double tv_float(struct timeval *); 602extern void tv_add(struct timeval *, struct timeval *, struct timeval *); 603extern void tv_sub(struct timeval *, struct timeval *, struct timeval *); 604extern void tv_mul(struct timeval *, struct timeval *, int); 605extern void tv_div(struct timeval *, struct timeval *, int); 606 607#ifdef SUNOS4 608extern int fixvfork(struct tcb *); 609#endif 610#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64) \ 611 && !defined(SH)) 612extern long getrval2(struct tcb *); 613#endif 614#ifdef USE_PROCFS 615extern int proc_open(struct tcb *tcp, int attaching); 616#endif 617 618#define umove(pid, addr, objp) \ 619 umoven((pid), (addr), sizeof *(objp), (char *) (objp)) 620 621#define printtv(tcp, addr) \ 622 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0) 623#define printtv_special(tcp, addr) \ 624 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1) 625 626extern void tprintf(const char *fmt, ...) 627#ifdef __GNUC__ 628 __attribute__ ((format (printf, 1, 2))) 629#endif 630 ; 631 632#ifndef HAVE_STRERROR 633const char *strerror(int); 634#endif 635#ifndef HAVE_STRSIGNAL 636const char *strsignal(int); 637#endif 638 639extern int current_personality; 640extern const int personality_wordsize[]; 641 642struct sysent { 643 int nargs; 644 int sys_flags; 645 int (*sys_func)(); 646 const char *sys_name; 647 long native_scno; /* Match against SYS_* constants. */ 648}; 649 650extern const struct sysent *sysent; 651extern int nsyscalls; 652 653extern const char *const *errnoent; 654extern int nerrnos; 655 656struct ioctlent { 657 const char *doth; 658 const char *symbol; 659 unsigned long code; 660}; 661 662extern const struct ioctlent *ioctlent; 663extern int nioctlents; 664 665extern const char *const *signalent; 666extern int nsignals; 667 668extern const struct ioctlent ioctlent0[]; 669extern const int nioctlents0; 670extern const char *const signalent0[]; 671extern const int nsignals0; 672 673#if SUPPORTED_PERSONALITIES >= 2 674extern const struct ioctlent ioctlent1[]; 675extern const int nioctlents1; 676extern const char *const signalent1[]; 677extern const int nsignals1; 678#endif /* SUPPORTED_PERSONALITIES >= 2 */ 679 680#if SUPPORTED_PERSONALITIES >= 3 681extern const struct ioctlent ioctlent2[]; 682extern const int nioctlents2; 683extern const char *const signalent2[]; 684extern const int nsignals2; 685#endif /* SUPPORTED_PERSONALITIES >= 3 */ 686 687#if HAVE_LONG_LONG 688 689/* _l refers to the lower numbered u_arg, 690 * _h refers to the higher numbered u_arg 691 */ 692 693#if HAVE_LITTLE_ENDIAN_LONG_LONG 694#define LONG_LONG(_l,_h) \ 695 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32))) 696#else 697#define LONG_LONG(_l,_h) \ 698 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32))) 699#endif 700 701extern int printllval(struct tcb *, const char *, int); 702#endif 703 704#ifdef IA64 705extern long ia32; 706#endif 707 708extern int not_failing_only; 709