Initial revision
diff --git a/defs.h b/defs.h
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+/*
+ * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
+ * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
+ * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+/* configuration section */
+#ifndef MAX_QUALS
+#define MAX_QUALS 1024 /* maximum number of syscalls, signals, etc. */
+#endif
+#ifndef MAX_PROCS
+#define MAX_PROCS 32 /* maximum number of processes tracable */
+#endif
+#ifndef DEFAULT_STRLEN
+#define DEFAULT_STRLEN 32 /* default maximum # of bytes printed in
+ `printstr', change with `-s' switch */
+#endif
+#ifndef DEFAULT_ACOLUMN
+#define DEFAULT_ACOLUMN 40 /* default alignment column for results */
+#endif
+#ifndef MAX_ARGS
+#define MAX_ARGS 32 /* maximum number of args to a syscall */
+#endif
+#ifndef DEFAULT_SORTBY
+#define DEFAULT_SORTBY "time" /* default sorting method for call profiling */
+#endif
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/time.h>
+#include <errno.h>
+
+#ifdef STDC_HEADERS
+#include <stddef.h>
+#endif /* STDC_HEADERS */
+
+#if defined(LINUX) && defined(SPARC)
+#define LINUXSPARC
+#endif /* LINUX && SPARC */
+
+#ifdef SVR4
+#include <sys/procfs.h>
+#else /* !SVR4 */
+#if defined(LINUXSPARC) && defined(__GLIBC__)
+#include <sys/ptrace.h>
+#else
+/* Work around awkward prototype in ptrace.h. */
+#define ptrace xptrace
+#include <sys/ptrace.h>
+#undef ptrace
+#ifdef POWERPC
+#define __KERNEL__
+#include <asm/ptrace.h>
+#undef __KERNEL__
+/* TEMP */
+#define UESP PT_R1
+#define EIP PT_NIP
+#define EAX PT_R3
+#define ORIG_EAX PT_ORIG_R3
+#endif
+#ifdef __STDC__
+#ifdef LINUX
+extern long ptrace(int, int, char *, long);
+#else /* !LINUX */
+extern int ptrace(int, int, char *, int, ...);
+#endif /* !LINUX */
+#else /* !__STDC__ */
+extern int ptrace();
+#endif /* !__STDC__ */
+#endif /* !LINUXSPARC */
+#endif /* !SVR4 */
+
+#ifdef LINUX
+#if !defined(LINUXSPARC) || !defined(__GLIBC__)
+#define PTRACE_PEEKUSER PTRACE_PEEKUSR
+#define PTRACE_POKEUSER PTRACE_POKEUSR
+#endif
+#ifdef ALPHA
+#define REG_R0 0
+#define REG_A0 16
+#define REG_A3 19
+#define REG_FP 30
+#define REG_PC 64
+#endif /* ALPHA */
+#endif /* LINUX */
+
+#define SUPPORTED_PERSONALITIES 1
+#define DEFAULT_PERSONALITY 0
+
+#ifdef LINUXSPARC
+#include <linux/a.out.h>
+#include <asm/psr.h>
+#undef SUPPORTED_PERSONALITIES
+#define SUPPORTED_PERSONALITIES 3
+#endif /* LINUXSPARC */
+
+/* Trace Control Block */
+struct tcb {
+ short flags; /* See below for TCB_ values */
+ int pid; /* Process Id of this entry */
+ long scno; /* System call number */
+ int u_nargs; /* System call arguments */
+ long u_arg[MAX_ARGS]; /* System call arguments */
+ int u_error; /* Error code */
+ long u_rval; /* (first) return value */
+ FILE *outf; /* Output file for this process */
+ char *auxstr; /* Auxiliary info from syscall (see RVAL_STR) */
+ struct timeval stime; /* System time usage as of last process wait */
+ struct timeval dtime; /* Delta for system time usage */
+ struct timeval etime; /* Syscall entry time */
+ /* Support for tracing forked processes */
+ struct tcb *parent; /* Parent of this process */
+ int nchildren; /* # of traced children */
+ int waitpid; /* pid(s) this process is waiting for */
+ /* (1st arg of wait4()) */
+ long baddr; /* `Breakpoint' address */
+ long inst[2]; /* Instructions on above */
+ int pfd; /* proc file descriptor */
+#ifdef SVR4
+ prstatus_t status; /* procfs status structure */
+#endif
+};
+
+/* TCB flags */
+#define TCB_STARTUP 00001 /* We have just begun ptracing this process */
+#define TCB_INUSE 00002 /* This table entry is in use */
+#define TCB_INSYSCALL 00004 /* A system call is in progress */
+#define TCB_ATTACHED 00010 /* Process is not our own child */
+#define TCB_EXITING 00020 /* As far as we know, this process is exiting */
+#define TCB_SUSPENDED 00040 /* Process has done a wait(4), that can
+ not be allowed to complete just now */
+#define TCB_BPTSET 00100 /* "Breakpoint" set after fork(2) */
+#define TCB_SIGTRAPPED 00200 /* Process wanted to block SIGTRAP */
+#define TCB_FOLLOWFORK 00400 /* Process should have forks followed */
+#define TCB_REPRINT 01000 /* We should reprint this syscall on exit */
+#ifdef LINUX
+#if defined(ALPHA) || defined(SPARC) || defined(POWERPC)
+#define TCB_WAITEXECVE 02000 /* ignore SIGTRAP after exceve */
+#endif /* ALPHA */
+#endif /* LINUX */
+
+/* qualifier flags */
+#define QUAL_TRACE 0001 /* this system call should be traced */
+#define QUAL_ABBREV 0002 /* abbreviate the structures of this syscall */
+#define QUAL_VERBOSE 0004 /* decode the structures of this syscall */
+#define QUAL_RAW 0010 /* print all args in hex for this syscall */
+#define QUAL_SIGNAL 0020 /* report events with this signal */
+#define QUAL_FAULT 0040 /* report events with this fault */
+#define QUAL_READ 0100 /* dump data read on this file descriptor */
+#define QUAL_WRITE 0200 /* dump data written to this file descriptor */
+
+#define entering(tcp) (!((tcp)->flags & TCB_INSYSCALL))
+#define exiting(tcp) ((tcp)->flags & TCB_INSYSCALL)
+#define syserror(tcp) ((tcp)->u_error != 0)
+#define verbose(tcp) (qual_flags[(tcp)->scno] & QUAL_VERBOSE)
+#define abbrev(tcp) (qual_flags[(tcp)->scno] & QUAL_ABBREV)
+#define waiting_parent(tcp) \
+ (tcp->parent && \
+ (tcp->parent->flags & TCB_SUSPENDED) && \
+ (tcp->parent->waitpid <= 0 || tcp->parent->waitpid == tcp->pid))
+
+struct xlat {
+ int val;
+ char *str;
+};
+
+/* Format of syscall return values */
+#define RVAL_DECIMAL 000 /* decimal format */
+#define RVAL_HEX 001 /* hex format */
+#define RVAL_OCTAL 002 /* octal format */
+#define RVAL_UDECIMAL 003 /* unsigned decimal format */
+#define RVAL_MASK 007 /* mask for these values */
+
+#define RVAL_STR 010 /* Print `auxstr' field after return val */
+#define RVAL_NONE 020 /* Print nothing */
+
+#ifndef offsetof
+#define offsetof(type, member) (((char *) &(((type *) NULL)->member)) - \
+ ((char *) (type *) NULL))
+#endif /* !offsetof */
+
+/* get offset of member within a user struct */
+#define uoff(member) offsetof(struct user, member)
+
+#define TRACE_FILE 001 /* Trace file-related syscalls. */
+#define TRACE_IPC 002 /* Trace IPC-related syscalls. */
+#define TRACE_NETWORK 004 /* Trace network-related syscalls. */
+#define TRACE_PROCESS 010 /* Trace process-related syscalls. */
+#define TRACE_SIGNAL 020 /* Trace signal-related syscalls. */
+
+extern struct tcb tcbtab[];
+extern int qual_flags[];
+extern int debug, followfork, followvfork;
+extern int rflag, tflag, dtime, cflag, xflag, qflag;
+extern int acolumn;
+extern char *outfname;
+extern int nprocs;
+extern int max_strlen;
+extern struct tcb *tcp_last;
+
+#ifdef __STDC__
+#define P(args) args
+#else
+#define P(args) ()
+#endif
+
+extern int set_personality P((int personality));
+extern char *xlookup P((struct xlat *, int));
+extern struct tcb *alloctcb P((int));
+extern void droptcb P((struct tcb *));
+
+extern void set_sortby P((char *));
+extern void set_overhead P((int));
+extern void qualify P((char *));
+extern void newoutf P((struct tcb *));
+extern int trace_syscall P((struct tcb *));
+extern void printxval P((struct xlat *, int, char *));
+extern int printargs P((struct tcb *));
+extern int addflags P((struct xlat *, int));
+extern int printflags P((struct xlat *, int));
+extern int umoven P((struct tcb *, long, int, char *));
+extern int umovestr P((struct tcb *, long, int, char *));
+extern int upeek P((int, long, long *));
+extern void dumpstr P((struct tcb *, long, int));
+extern void string_quote P((char *str));
+extern void printstr P((struct tcb *, long, int));
+extern void printnum P((struct tcb *, long, char *));
+extern void printpath P((struct tcb *, long));
+extern void printpathn P((struct tcb *, long, int));
+extern void printtv P((struct tcb *, long));
+extern void printsock P((struct tcb *, long));
+extern void printrusage P((struct tcb *, long));
+extern int clearbpt P((struct tcb *));
+extern int setbpt P((struct tcb *));
+extern int sigishandled P((struct tcb *, int));
+extern void printcall P((struct tcb *));
+extern void printsignal P((int));
+extern void printleader P((struct tcb *));
+extern void printtrailer P((struct tcb *));
+extern void tabto P((int));
+extern void call_summary P((FILE *));
+extern void fake_execve P((struct tcb *, char *, char *[], char *[]));
+
+extern int internal_fork P((struct tcb *));
+extern int internal_exec P((struct tcb *));
+extern int internal_wait P((struct tcb *));
+extern int internal_exit P((struct tcb *));
+
+extern char *ioctl_lookup P((long));
+extern int ioctl_decode P((struct tcb *, long, long));
+extern int term_ioctl P((struct tcb *, long, long));
+extern int sock_ioctl P((struct tcb *, long, long));
+extern int proc_ioctl P((struct tcb *, int, int));
+extern int stream_ioctl P((struct tcb *, int, int));
+
+extern void tv_tv P((struct timeval *, int, int));
+extern int tv_nz P((struct timeval *));
+extern int tv_cmp P((struct timeval *, struct timeval *));
+extern double tv_float P((struct timeval *));
+extern void tv_add P((struct timeval *, struct timeval *, struct timeval *));
+extern void tv_sub P((struct timeval *, struct timeval *, struct timeval *));
+extern void tv_mul P((struct timeval *, struct timeval *, int));
+extern void tv_div P((struct timeval *, struct timeval *, int));
+
+#ifdef SUNOS4
+extern int fixvfork P((struct tcb *));
+#endif
+#if !(defined(LINUX) && !defined(SPARC))
+extern long getrval2 P((struct tcb *));
+#endif
+#ifdef SVR4
+extern int proc_open P((struct tcb *tcp, int attaching));
+#endif
+
+#define umove(pid, addr, objp) \
+ umoven((pid), (addr), sizeof *(objp), (char *) (objp))
+
+#ifdef __STDC__
+#ifdef __GNUC__
+extern void tprintf(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+#else
+extern void tprintf(const char *fmt, ...);
+#endif
+#else
+extern void tprintf();
+#endif
+
+#ifndef HAVE_STRERROR
+const char *strerror P((int));
+#endif
+#ifndef HAVE_STRSIGNAL
+const char *strsignal P((int));
+#endif
+
+extern int current_personality;
+
+struct sysent {
+ int nargs;
+ int sys_flags;
+ int (*sys_func)();
+ char *sys_name;
+};
+
+extern struct sysent *sysent;
+extern int nsyscalls;
+
+extern char **errnoent;
+extern int nerrnos;
+
+struct ioctlent {
+ char *doth;
+ char *symbol;
+ unsigned long code;
+};
+
+extern struct ioctlent *ioctlent;
+extern int nioctlent;
+
+extern char **signalent;
+extern int nsignals;
+
+extern struct ioctlent *ioctlent;
+extern int nioctlents;
+extern char **signalent;
+extern int nsignals;
+
+extern struct ioctlent ioctlent0[];
+extern int nioctlents0;
+extern char *signalent0[];
+extern int nsignals0;
+
+#if SUPPORTED_PERSONALITIES >= 2
+extern struct ioctlent ioctlent1[];
+extern int nioctlents1;
+extern char *signalent1[];
+extern int nsignals1;
+#endif /* SUPPORTED_PERSONALITIES >= 2 */
+
+#if SUPPORTED_PERSONALITIES >= 3
+extern struct ioctlent ioctlent2[];
+extern int nioctlents2;
+extern char *signalent2[];
+extern int nsignals2;
+#endif /* SUPPORTED_PERSONALITIES >= 3 */