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Wichert Akkerman76baf7c1999-02-19 00:21:36 +00001/*
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
Roland McGrath795edb12005-02-02 04:44:57 +000032#ifdef HAVE_CONFIG_H
33#include "config.h"
34#endif
35
Roland McGrath542c2c62008-05-20 01:11:56 +000036#ifdef MIPS
37#include <sgidefs.h>
38#endif
39
Wichert Akkermanb859bea1999-04-18 22:50:50 +000040#ifdef linux
41#include <features.h>
42#endif
43
Roland McGrathe6d3a292003-01-14 09:46:18 +000044#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
Wichert Akkerman76baf7c1999-02-19 00:21:36 +000051/* configuration section */
52#ifndef MAX_QUALS
Roland McGrath63d01462002-12-30 00:25:36 +000053#if defined(LINUX) && defined(MIPS)
Roland McGrath542c2c62008-05-20 01:11:56 +000054#define MAX_QUALS 7000 /* maximum number of syscalls, signals, etc. */
Wichert Akkermanfd89ced2000-04-13 17:06:09 +000055#else
Wichert Akkerman8b1b40c2000-02-03 21:58:30 +000056#define MAX_QUALS 2048 /* maximum number of syscalls, signals, etc. */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +000057#endif
Wichert Akkerman5ae21ea2000-05-01 01:53:59 +000058#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +000059#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>
Wichert Akkerman8c7122c2001-02-16 19:59:55 +000079#include <time.h>
Wichert Akkerman76baf7c1999-02-19 00:21:36 +000080#include <sys/time.h>
81#include <errno.h>
82
Roland McGrath639658b2008-08-01 01:06:31 +000083#ifdef HAVE_STDBOOL_H
84#include <stdbool.h>
85#endif
86
Wichert Akkerman76baf7c1999-02-19 00:21:36 +000087#ifdef STDC_HEADERS
88#include <stddef.h>
89#endif /* STDC_HEADERS */
90
John Hughes58265892001-10-18 15:13:53 +000091#ifdef HAVE_SIGINFO_T
92#include <signal.h>
93#endif
94
Wichert Akkermanf5eeabb1999-11-18 17:09:47 +000095#if defined(LINUX)
Roland McGrath6d1a65c2004-07-12 07:44:08 +000096# if defined(SPARC) || defined(SPARC64)
Wichert Akkermanf5eeabb1999-11-18 17:09:47 +000097# define LINUXSPARC
98# endif
99# if defined(ALPHA)
100# define LINUX_64BIT
101# endif
Michal Ludvig0e035502002-09-23 15:41:01 +0000102# if defined(X86_64)
103# define LINUX_X86_64
104# endif
Roland McGrath542c2c62008-05-20 01:11:56 +0000105# 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
Roland McGrathee9d4352002-12-18 04:16:10 +0000116#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000117
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000118#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
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000134#include <sys/procfs.h>
Wichert Akkermanea78f0f1999-11-29 15:34:02 +0000135#ifdef HAVE_MP_PROCFS
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000136#include <sys/uio.h>
137#endif
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000138#ifdef FREEBSD
139#include <sys/pioctl.h>
140#endif /* FREEBSD */
141#else /* !USE_PROCFS */
Michal Ludvig0e035502002-09-23 15:41:01 +0000142#if (defined(LINUXSPARC) || defined (LINUX_X86_64)) && defined(__GLIBC__)
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000143#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__
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000153#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
Wichert Akkermanb859bea1999-04-18 22:50:50 +0000167#if !defined(__GLIBC__)
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000168#define PTRACE_PEEKUSER PTRACE_PEEKUSR
169#define PTRACE_POKEUSER PTRACE_POKEUSR
170#endif
171#ifdef ALPHA
Wichert Akkermanf90da011999-10-31 21:15:38 +0000172# define REG_R0 0
173# define REG_A0 16
174# define REG_A3 19
175# define REG_FP 30
176# define REG_PC 64
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000177#endif /* ALPHA */
Wichert Akkermanf90da011999-10-31 21:15:38 +0000178#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 */
Wichert Akkermanc1652e22001-03-27 12:17:16 +0000185#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 */
Roland McGrathf5a47772003-06-26 22:40:42 +0000192#ifdef SH64
193 /* SH64 Linux - this code assumes the following kernel API for system calls:
Roland McGrathe1e584b2003-06-02 19:18:58 +0000194 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)
Roland McGrathf5a47772003-06-26 22:40:42 +0000207#endif /* SH64 */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000208#endif /* LINUX */
209
210#define SUPPORTED_PERSONALITIES 1
211#define DEFAULT_PERSONALITY 0
212
213#ifdef LINUXSPARC
Roland McGrath4b2dcca2006-01-12 10:18:53 +0000214#define PERSONALITY0_WORDSIZE 4
215#define PERSONALITY1_WORDSIZE 4
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000216#undef SUPPORTED_PERSONALITIES
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000217#if defined(SPARC64)
Roland McGrath5aa04342007-09-12 01:26:26 +0000218#include <asm/psrcompat.h>
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000219#define SUPPORTED_PERSONALITIES 3
Roland McGrath4b2dcca2006-01-12 10:18:53 +0000220#define PERSONALITY2_WORDSIZE 8
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000221#else
Roland McGrath5aa04342007-09-12 01:26:26 +0000222#include <asm/psr.h>
Wichert Akkermanb859bea1999-04-18 22:50:50 +0000223#define SUPPORTED_PERSONALITIES 2
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000224#endif /* SPARC64 */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000225#endif /* LINUXSPARC */
226
Michal Ludvig0e035502002-09-23 15:41:01 +0000227#ifdef X86_64
228#undef SUPPORTED_PERSONALITIES
229#define SUPPORTED_PERSONALITIES 2
Roland McGrath4b2dcca2006-01-12 10:18:53 +0000230#define PERSONALITY0_WORDSIZE 8
231#define PERSONALITY1_WORDSIZE 4
Roland McGrathee9d4352002-12-18 04:16:10 +0000232#endif
233
Roland McGrath56703312008-05-20 01:35:55 +0000234#ifdef ARM
235#undef SUPPORTED_PERSONALITIES
236#define SUPPORTED_PERSONALITIES 2
237#define PERSONALITY0_WORDSIZE 4
238#define PERSONALITY1_WORDSIZE 4
239#endif
240
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000241#ifdef SVR4
Wichert Akkermanea78f0f1999-11-29 15:34:02 +0000242#ifdef HAVE_MP_PROCFS
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000243extern 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) \
Wichert Akkerman16a03d22000-08-10 02:14:04 +0000248 (IOCTL (t->pfd, PCWSTOP, (char *)NULL) < 0 ? -1 : \
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000249 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
John Hughes25299712001-03-06 10:10:06 +0000254#define PR_SYSCALL pr_lwp.pr_syscall
John Hughes58265892001-10-18 15:13:53 +0000255#define PR_INFO pr_lwp.pr_info
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000256#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)
Roland McGrathee9d4352002-12-18 04:16:10 +0000269#define IOCTL_WSTOP(t) ioctl (t->pfd, PIOCWSTOP, &t->status)
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000270#define PR_WHY pr_why
271#define PR_WHAT pr_what
272#define PR_REG pr_reg
273#define PR_FLAGS pr_flags
John Hughes25299712001-03-06 10:10:06 +0000274#define PR_SYSCALL pr_syscall
John Hughes58265892001-10-18 15:13:53 +0000275#define PR_INFO pr_info
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000276#endif
277#endif
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000278#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
Wichert Akkerman2e4ffe52000-09-03 23:57:48 +0000286#define PR_FLAGS state
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000287/* from /usr/src/sys/miscfs/procfs/procfs_vnops.c,
288 status.state = 0 for running, 1 for stopped */
Wichert Akkerman2e4ffe52000-09-03 23:57:48 +0000289#define PR_ASLEEP 1
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000290#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
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000295
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000296/* 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 */
Roland McGrath542c2c62008-05-20 01:11:56 +0000303#if defined (LINUX_MIPSN32)
304 long long ext_arg[MAX_ARGS]; /* System call arguments */
305#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000306 int u_error; /* Error code */
307 long u_rval; /* (first) return value */
Wichert Akkerman16a03d22000-08-10 02:14:04 +0000308#ifdef HAVE_LONG_LONG
309 long long u_lrval; /* long long return value */
310#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000311 FILE *outf; /* Output file for this process */
Wichert Akkerman43a74822000-06-27 17:33:32 +0000312 const char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000313 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 */
Roland McGrath09623452003-05-23 02:27:13 +0000320 int nzombies; /* # of formerly traced children now dead */
Roland McGrath923f7502003-01-09 06:53:27 +0000321#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
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000326 /* (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
Wichert Akkermanea78f0f1999-11-29 15:34:02 +0000331#ifdef HAVE_MP_PROCFS
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000332 int pfd_stat;
333 int pfd_as;
334 pstatus_t status;
335#else
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000336 prstatus_t status; /* procfs status structure */
337#endif
Wichert Akkerman9ce1a631999-08-29 23:15:07 +0000338#endif
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000339#ifdef FREEBSD
340 struct procfs_status status;
341 int pfd_reg;
342 int pfd_status;
343#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000344};
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
Roland McGrath542c2c62008-05-20 01:11:56 +0000359# 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)
Wichert Akkerman7b3346b2001-10-09 23:47:38 +0000360# define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */
361# endif
Roland McGrath923f7502003-01-09 06:53:27 +0000362# 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
Dmitry V. Levinaca9a742006-10-11 22:56:49 +0000372# elif defined X86_64
373# define __NR_exit_group 231
Roland McGrath923f7502003-01-09 06:53:27 +0000374# 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
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000380# elif defined SPARC || defined SPARC64
Roland McGrath923f7502003-01-09 06:53:27 +0000381# define __NR_exit_group 188
Roland McGrath165155a2005-07-19 07:42:17 +0000382# elif defined M68K
383# define __NR_exit_group 247
Roland McGrath923f7502003-01-09 06:53:27 +0000384# endif /* ALPHA et al */
385# endif /* !__NR_exit_group */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000386#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)
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000403
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 */
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000414#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 */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000418#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. */
Roland McGrath2fe7b132005-07-05 03:25:35 +0000436#define TRACE_DESC 040 /* Trace file descriptor-related syscalls. */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000437
Roland McGrathee9d4352002-12-18 04:16:10 +0000438extern struct tcb **tcbtab;
Roland McGrath138c6a32006-01-12 09:50:49 +0000439extern int *qual_flags;
Roland McGrath41c48222008-07-18 00:25:10 +0000440extern int debug, followfork;
Dmitry V. Levinb9fe0112006-12-13 16:59:44 +0000441extern int dtime, cflag, xflag, qflag;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000442extern int acolumn;
Roland McGrathee9d4352002-12-18 04:16:10 +0000443extern unsigned int nprocs, tcbtabsize;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000444extern 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
Dmitry V. Levina7945a32006-12-13 17:10:11 +0000453enum bitness_t { BITNESS_CURRENT = 0, BITNESS_32 };
454
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000455extern int set_personality P((int personality));
Dmitry V. Levinab9008b2007-01-11 22:05:04 +0000456extern const char *xlookup P((const struct xlat *, int));
Dmitry V. Levin10de62b2006-12-13 21:45:31 +0000457extern struct tcb *alloc_tcb P((int, int));
Roland McGrath923f7502003-01-09 06:53:27 +0000458extern struct tcb *pid2tcb P((int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000459extern void droptcb P((struct tcb *));
Roland McGrath7b54a7a2004-06-04 01:50:45 +0000460extern int expand_tcbtab P((void));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000461
Dmitry V. Levin10de62b2006-12-13 21:45:31 +0000462#define alloctcb(pid) alloc_tcb((pid), 1)
463
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000464extern void set_sortby P((char *));
465extern void set_overhead P((int));
466extern void qualify P((char *));
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000467extern int get_scno P((struct tcb *));
Roland McGrath76989d72005-06-07 23:21:31 +0000468extern long known_scno P((struct tcb *));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000469extern int trace_syscall P((struct tcb *));
Dmitry V. Levin7d61ff12006-12-21 21:15:04 +0000470extern int count_syscall P((struct tcb *, struct timeval *));
Roland McGrathb2dee132005-06-01 19:02:36 +0000471extern void printxval P((const struct xlat *, int, const char *));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000472extern int printargs P((struct tcb *));
Roland McGrathd9f816f2004-09-04 03:39:20 +0000473extern int addflags P((const struct xlat *, int));
Roland McGrathb2dee132005-06-01 19:02:36 +0000474extern int printflags P((const struct xlat *, int, const char *));
Roland McGratha6c0d8c2007-11-01 21:46:22 +0000475extern const char *sprintflags P((const char *, const struct xlat *, int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000476extern int umoven P((struct tcb *, long, int, char *));
477extern int umovestr P((struct tcb *, long, int, char *));
478extern int upeek P((int, long, long *));
John Hughes1d08dcf2001-07-10 13:48:44 +0000479extern void dumpiov P((struct tcb *, int, long));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000480extern void dumpstr P((struct tcb *, long, int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000481extern void printstr P((struct tcb *, long, int));
482extern void printnum P((struct tcb *, long, char *));
Roland McGrath9814a942005-07-04 23:28:10 +0000483extern void printnum_int P((struct tcb *, long, char *));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000484extern void printpath P((struct tcb *, long));
485extern void printpathn P((struct tcb *, long, int));
Roland McGrath6afc5652007-07-24 01:57:11 +0000486extern void printtv_bitness P((struct tcb *, long, enum bitness_t, int));
Dmitry V. Levina7945a32006-12-13 17:10:11 +0000487extern void sprinttv P((struct tcb *, long, enum bitness_t, char *));
Roland McGrath6bc09da2007-11-01 21:50:54 +0000488extern void print_timespec P((struct tcb *, long));
489extern void sprint_timespec P((char *, struct tcb *, long));
John Hughes58265892001-10-18 15:13:53 +0000490#ifdef HAVE_SIGINFO_T
491extern void printsiginfo P((siginfo_t *, int));
492#endif
Wichert Akkermanf5eeabb1999-11-18 17:09:47 +0000493extern void printsock P((struct tcb *, long, int));
John Hughes38ae88d2002-05-23 11:48:58 +0000494extern void print_sock_optmgmt P((struct tcb *, long, int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000495extern void printrusage P((struct tcb *, long));
Roland McGrath6bc12202003-11-13 22:32:27 +0000496extern void printuid P((const char *, unsigned long));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000497extern int clearbpt P((struct tcb *));
498extern int setbpt P((struct tcb *));
499extern int sigishandled P((struct tcb *, int));
500extern void printcall P((struct tcb *));
Roland McGrathee36ce12004-09-04 03:53:10 +0000501extern const char *signame P((int));
Dmitry V. Levin95ebf5a2006-10-13 20:25:12 +0000502extern void print_sigset P((struct tcb *, long, int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000503extern 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 *));
Roland McGrathaa524c82005-06-01 19:22:06 +0000508extern void tprint_iov P((struct tcb *, unsigned long, unsigned long));
Dmitry V. Levin9b5b67e2007-01-11 23:19:55 +0000509extern void tprint_open_modes P((struct tcb *, mode_t));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000510
Wichert Akkerman7a0b6491999-12-23 15:08:17 +0000511#ifdef LINUX
512extern int internal_clone P((struct tcb *));
513#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000514extern int internal_fork P((struct tcb *));
515extern int internal_exec P((struct tcb *));
Roland McGrathc74c0b72004-09-01 19:39:46 +0000516extern int internal_wait P((struct tcb *, int));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000517extern int internal_exit P((struct tcb *));
518
Roland McGrathee36ce12004-09-04 03:53:10 +0000519extern const struct ioctlent *ioctl_lookup P((long));
520extern const struct ioctlent *ioctl_next_match P((const struct ioctlent *));
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000521extern int ioctl_decode P((struct tcb *, long, long));
522extern int term_ioctl P((struct tcb *, long, long));
523extern int sock_ioctl P((struct tcb *, long, long));
524extern int proc_ioctl P((struct tcb *, int, int));
525extern int stream_ioctl P((struct tcb *, int, int));
Roland McGrathd83c50b2004-10-06 22:27:43 +0000526#ifdef LINUX
527extern int rtc_ioctl P((struct tcb *, long, long));
Dmitry V. Levinb011af52007-06-30 11:37:09 +0000528extern int scsi_ioctl P((struct tcb *, long, long));
Roland McGrathd83c50b2004-10-06 22:27:43 +0000529#endif
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000530
531extern void tv_tv P((struct timeval *, int, int));
532extern int tv_nz P((struct timeval *));
533extern int tv_cmp P((struct timeval *, struct timeval *));
534extern double tv_float P((struct timeval *));
535extern void tv_add P((struct timeval *, struct timeval *, struct timeval *));
536extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *));
537extern void tv_mul P((struct timeval *, struct timeval *, int));
538extern void tv_div P((struct timeval *, struct timeval *, int));
539
540#ifdef SUNOS4
541extern int fixvfork P((struct tcb *));
542#endif
Roland McGrath6d1a65c2004-07-12 07:44:08 +0000543#if !(defined(LINUX) && !defined(SPARC) && !defined(SPARC64) && !defined(IA64))
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000544extern long getrval2 P((struct tcb *));
545#endif
Wichert Akkermanbf79f2e2000-09-01 21:03:06 +0000546#ifdef USE_PROCFS
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000547extern int proc_open P((struct tcb *tcp, int attaching));
548#endif
549
550#define umove(pid, addr, objp) \
551 umoven((pid), (addr), sizeof *(objp), (char *) (objp))
552
Dmitry V. Levina7945a32006-12-13 17:10:11 +0000553#define printtv(tcp, addr) \
Roland McGrath6afc5652007-07-24 01:57:11 +0000554 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 0)
555#define printtv_special(tcp, addr) \
556 printtv_bitness((tcp), (addr), BITNESS_CURRENT, 1)
Dmitry V. Levina7945a32006-12-13 17:10:11 +0000557
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000558#ifdef __STDC__
559#ifdef __GNUC__
560extern void tprintf(const char *fmt, ...)
561 __attribute__ ((format (printf, 1, 2)));
562#else
563extern void tprintf(const char *fmt, ...);
564#endif
565#else
566extern void tprintf();
567#endif
568
569#ifndef HAVE_STRERROR
570const char *strerror P((int));
571#endif
572#ifndef HAVE_STRSIGNAL
573const char *strsignal P((int));
574#endif
575
576extern int current_personality;
Dmitry V. Levin4ebb4e32006-12-13 17:08:08 +0000577extern const int personality_wordsize[];
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000578
579struct sysent {
580 int nargs;
581 int sys_flags;
582 int (*sys_func)();
Roland McGrathee36ce12004-09-04 03:53:10 +0000583 const char *sys_name;
Roland McGrath76989d72005-06-07 23:21:31 +0000584 long native_scno; /* Match against SYS_* constants. */
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000585};
586
Roland McGrathee36ce12004-09-04 03:53:10 +0000587extern const struct sysent *sysent;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000588extern int nsyscalls;
589
Roland McGrathee36ce12004-09-04 03:53:10 +0000590extern const char *const *errnoent;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000591extern int nerrnos;
592
593struct ioctlent {
Roland McGrathee36ce12004-09-04 03:53:10 +0000594 const char *doth;
595 const char *symbol;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000596 unsigned long code;
597};
598
Roland McGrathee36ce12004-09-04 03:53:10 +0000599extern const struct ioctlent *ioctlent;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000600extern int nioctlents;
Roland McGrathee36ce12004-09-04 03:53:10 +0000601
602extern const char *const *signalent;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000603extern int nsignals;
604
Roland McGrathee36ce12004-09-04 03:53:10 +0000605extern const struct ioctlent ioctlent0[];
606extern const int nioctlents0;
607extern const char *const signalent0[];
608extern const int nsignals0;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000609
610#if SUPPORTED_PERSONALITIES >= 2
Roland McGrathee36ce12004-09-04 03:53:10 +0000611extern const struct ioctlent ioctlent1[];
Michal Ludvig51d1ebc2004-09-07 14:06:03 +0000612extern const int nioctlents1;
Roland McGrathee36ce12004-09-04 03:53:10 +0000613extern const char *const signalent1[];
614extern const int nsignals1;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000615#endif /* SUPPORTED_PERSONALITIES >= 2 */
616
617#if SUPPORTED_PERSONALITIES >= 3
Roland McGrathee36ce12004-09-04 03:53:10 +0000618extern const struct ioctlent ioctlent2[];
619extern const int nioctlents2;
620extern const char *const signalent2[];
Michal Ludvig51d1ebc2004-09-07 14:06:03 +0000621extern const int nsignals2;
Wichert Akkerman76baf7c1999-02-19 00:21:36 +0000622#endif /* SUPPORTED_PERSONALITIES >= 3 */
John Hughesbdf48f52001-03-06 15:08:09 +0000623
Roland McGrathe6d3a292003-01-14 09:46:18 +0000624#if defined(FREEBSD) || (defined(LINUX) \
Roland McGrathc0f8bbd2003-08-21 09:58:00 +0000625 && defined(POWERPC) && !defined(__powerpc64__)) \
Roland McGrath542c2c62008-05-20 01:11:56 +0000626 || defined (LINUX_MIPSO32)
John Hughes5a826b82001-03-07 13:21:24 +0000627/* ARRGH! off_t args are aligned on 64 bit boundaries! */
628#define ALIGN64(tcp,arg) \
629do { \
630 if (arg % 2) \
631 memmove (&tcp->u_arg[arg], &tcp->u_arg[arg + 1], \
632 (tcp->u_nargs - arg - 1) * sizeof tcp->u_arg[0]); \
633} while (0)
634#else
635#define ALIGN64(tcp,arg) do { } while (0)
636#endif
637
John Hughes0c79e012001-03-08 14:40:06 +0000638#if HAVE_LONG_LONG
John Hughes5a826b82001-03-07 13:21:24 +0000639
John Hughesbdf48f52001-03-06 15:08:09 +0000640/* _l refers to the lower numbered u_arg,
641 * _h refers to the higher numbered u_arg
642 */
John Hughes5a826b82001-03-07 13:21:24 +0000643
John Hughesb8a85a42001-03-28 08:05:27 +0000644#if HAVE_LITTLE_ENDIAN_LONG_LONG
John Hughes0c79e012001-03-08 14:40:06 +0000645#define LONG_LONG(_l,_h) \
Wichert Akkerman7ab47b62002-03-31 19:00:02 +0000646 ((long long)((unsigned long long)(unsigned)(_l) | ((unsigned long long)(_h)<<32)))
John Hughesbdf48f52001-03-06 15:08:09 +0000647#else
John Hughes0c79e012001-03-08 14:40:06 +0000648#define LONG_LONG(_l,_h) \
Wichert Akkerman7ab47b62002-03-31 19:00:02 +0000649 ((long long)((unsigned long long)(unsigned)(_h) | ((unsigned long long)(_l)<<32)))
John Hughesbdf48f52001-03-06 15:08:09 +0000650#endif
651#endif
Wichert Akkerman7b3346b2001-10-09 23:47:38 +0000652
653#ifdef IA64
654extern long ia32;
655#endif
Michal Ludvig17f8fb32002-11-06 13:17:21 +0000656
657extern int not_failing_only;