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60456d785d
strace/process.c
Wichert Akkerman f90da01fd1 Add Linux MIPS support
1999-10-31 21:15:38 +00:00

1699 lines
36 KiB
C
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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.
*
* $Id$
*/
#include "defs.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <sys/utsname.h>
#include <sys/user.h>
#include <sys/syscall.h>
#include <signal.h>
#ifdef SUNOS4
#include <machine/reg.h>
#endif /* SUNOS4 */
#if HAVE_LINUX_PTRACE_H
#undef PTRACE_SYSCALL
#include <linux/ptrace.h>
#endif
#ifdef HAVE_SYS_REG_H
# include <sys/reg.h>
#ifndef PTRACE_PEEKUSR
# define PTRACE_PEEKUSR PTRACE_PEEKUSER
#endif
#ifndef PTRACE_POKEUSR
# define PTRACE_POKEUSR PTRACE_POKEUSER
#endif
#endif
#ifdef LINUX
#include <asm/posix_types.h>
#undef GETGROUPS_T
#define GETGROUPS_T __kernel_gid_t
#endif /* LINUX */
#ifdef HAVE_PRCTL
#include <sys/prctl.h>
#endif
#ifndef WCOREDUMP
#define WCOREDUMP(status) ((status) & 0200)
#endif
/* WTA: this has `&& !defined(LINUXSPARC)', this seems unneeded though? */
#if defined(HAVE_PRCTL)
static struct xlat prctl_options[] = {
#ifdef PR_MAXPROCS
{ PR_MAXPROCS, "PR_MAXPROCS" },
#endif
#ifdef PR_ISBLOCKED
{ PR_ISBLOCKED, "PR_ISBLOCKED" },
#endif
#ifdef PR_SETSTACKSIZE
{ PR_SETSTACKSIZE, "PR_SETSTACKSIZE" },
#endif
#ifdef PR_GETSTACKSIZE
{ PR_GETSTACKSIZE, "PR_GETSTACKSIZE" },
#endif
#ifdef PR_MAXPPROCS
{ PR_MAXPPROCS, "PR_MAXPPROCS" },
#endif
#ifdef PR_UNBLKONEXEC
{ PR_UNBLKONEXEC, "PR_UNBLKONEXEC" },
#endif
#ifdef PR_ATOMICSIM
{ PR_ATOMICSIM, "PR_ATOMICSIM" },
#endif
#ifdef PR_SETEXITSIG
{ PR_SETEXITSIG, "PR_SETEXITSIG" },
#endif
#ifdef PR_RESIDENT
{ PR_RESIDENT, "PR_RESIDENT" },
#endif
#ifdef PR_ATTACHADDR
{ PR_ATTACHADDR, "PR_ATTACHADDR" },
#endif
#ifdef PR_DETACHADDR
{ PR_DETACHADDR, "PR_DETACHADDR" },
#endif
#ifdef PR_TERMCHILD
{ PR_TERMCHILD, "PR_TERMCHILD" },
#endif
#ifdef PR_GETSHMASK
{ PR_GETSHMASK, "PR_GETSHMASK" },
#endif
#ifdef PR_GETNSHARE
{ PR_GETNSHARE, "PR_GETNSHARE" },
#endif
#if defined(PR_SET_PDEATHSIG)
{ PR_SET_PDEATHSIG, "PR_SET_PDEATHSIG" },
#endif
#ifdef PR_COREPID
{ PR_COREPID, "PR_COREPID" },
#endif
#ifdef PR_ATTACHADDRPERM
{ PR_ATTACHADDRPERM, "PR_ATTACHADDRPERM" },
#endif
#ifdef PR_PTHREADEXIT
{ PR_PTHREADEXIT, "PR_PTHREADEXIT" },
#endif
{ 0, NULL },
};
int
sys_prctl(tcp)
struct tcb *tcp;
{
int i;
if (entering(tcp)) {
printxval(prctl_options, tcp->u_arg[0], "PR_???");
switch (tcp->u_arg[0]) {
#ifdef PR_GETNSHARE
case PR_GETNSHARE:
break;
#endif
default:
for (i = 1; i < tcp->u_nargs; i++)
tprintf(", %#lx", tcp->u_arg[i]);
break;
}
}
return 0;
}
#endif /* HAVE_PRCTL */
int
sys_gethostid(tcp)
struct tcb *tcp;
{
if (exiting(tcp))
return RVAL_HEX;
return 0;
}
int
sys_sethostname(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
int
sys_gethostname(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[0]);
else
printpath(tcp, tcp->u_arg[0]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
int
sys_setdomainname(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpathn(tcp, tcp->u_arg[0], tcp->u_arg[1]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
#if !defined(LINUX)
int
sys_getdomainname(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[0]);
else
printpath(tcp, tcp->u_arg[0]);
tprintf(", %lu", tcp->u_arg[1]);
}
return 0;
}
#endif /* !LINUX */
int
sys_exit(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
fprintf(stderr, "_exit returned!\n");
return -1;
}
/* special case: we stop tracing this process, finish line now */
tprintf("%ld) ", tcp->u_arg[0]);
tabto(acolumn);
tprintf("= ?");
printtrailer(tcp);
return 0;
}
int
internal_exit(tcp)
struct tcb *tcp;
{
if (entering(tcp))
tcp->flags |= TCB_EXITING;
return 0;
}
#ifdef SVR4
int
sys_fork(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
if (getrval2(tcp)) {
tcp->auxstr = "child process";
return RVAL_UDECIMAL | RVAL_STR;
}
}
return 0;
}
int
internal_fork(tcp)
struct tcb *tcp;
{
struct tcb *tcpchild;
if (exiting(tcp)) {
if (getrval2(tcp))
return 0;
if (!followfork)
return 0;
if (nprocs == MAX_PROCS) {
tcp->flags &= ~TCB_FOLLOWFORK;
fprintf(stderr, "sys_fork: tcb table full\n");
return 0;
}
else
tcp->flags |= TCB_FOLLOWFORK;
if (syserror(tcp))
return 0;
if ((tcpchild = alloctcb(tcp->u_rval)) == NULL) {
fprintf(stderr, "sys_fork: tcb table full\n");
return 0;
}
proc_open(tcpchild, 1);
}
return 0;
}
#else /* !SVR4 */
int
sys_fork(tcp)
struct tcb *tcp;
{
if (exiting(tcp))
return RVAL_UDECIMAL;
return 0;
}
int
internal_fork(tcp)
struct tcb *tcp;
{
struct tcb *tcpchild;
int pid;
int dont_follow = 0;
#ifdef SYS_vfork
if (tcp->scno == SYS_vfork) {
#if defined(I386) && defined(LINUX)
/* Attempt to make vfork into fork, which we can follow. */
if (!followvfork ||
ptrace(PTRACE_POKEUSR, tcp->pid,
(void *)(ORIG_EAX * 4), SYS_fork) < 0)
dont_follow = 1;
#else
dont_follow = 1;
#endif
}
#endif
#ifdef SYS_clone
/* clone can do many things, not all of which we know how to handle.
Don't do it for now. */
if (tcp->scno == SYS_clone)
dont_follow = 1;
#endif
if (entering(tcp)) {
if (!followfork || dont_follow)
return 0;
if (nprocs == MAX_PROCS) {
tcp->flags &= ~TCB_FOLLOWFORK;
fprintf(stderr, "sys_fork: tcb table full\n");
return 0;
}
tcp->flags |= TCB_FOLLOWFORK;
if (setbpt(tcp) < 0)
return 0;
}
else {
int bpt = tcp->flags & TCB_BPTSET;
if (!(tcp->flags & TCB_FOLLOWFORK))
return 0;
if (bpt)
clearbpt(tcp);
if (syserror(tcp))
return 0;
pid = tcp->u_rval;
if ((tcpchild = alloctcb(pid)) == NULL) {
fprintf(stderr, " [tcb table full]\n");
kill(pid, SIGKILL); /* XXX */
return 0;
}
#ifdef LINUX
if (ptrace(PTRACE_ATTACH, pid, (char *) 1, 0) < 0) {
perror("PTRACE_ATTACH");
fprintf(stderr, "Too late?\n");
droptcb(tcpchild);
return 0;
}
#endif /* LINUX */
#ifdef SUNOS4
#ifdef oldway
/* The child must have run before it can be attached. */
{
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 10000;
select(0, NULL, NULL, NULL, &tv);
}
if (ptrace(PTRACE_ATTACH, pid, (char *)1, 0) < 0) {
perror("PTRACE_ATTACH");
fprintf(stderr, "Too late?\n");
droptcb(tcpchild);
return 0;
}
#else /* !oldway */
/* Try to catch the new process as soon as possible. */
{
int i;
for (i = 0; i < 1024; i++)
if (ptrace(PTRACE_ATTACH, pid, (char *) 1, 0) >= 0)
break;
if (i == 1024) {
perror("PTRACE_ATTACH");
fprintf(stderr, "Too late?\n");
droptcb(tcpchild);
return 0;
}
}
#endif /* !oldway */
#endif /* SUNOS4 */
tcpchild->flags |= TCB_ATTACHED;
/* Child has BPT too, must be removed on first occasion */
if (bpt) {
tcpchild->flags |= TCB_BPTSET;
tcpchild->baddr = tcp->baddr;
memcpy(tcpchild->inst, tcp->inst,
sizeof tcpchild->inst);
}
newoutf(tcpchild);
tcpchild->parent = tcp;
tcp->nchildren++;
if (!qflag)
fprintf(stderr, "Process %d attached\n", pid);
}
return 0;
}
#endif /* !SVR4 */
#if defined(SUNOS4) || defined(LINUX)
int
sys_vfork(tcp)
struct tcb *tcp;
{
if (exiting(tcp))
return RVAL_UDECIMAL;
return 0;
}
#endif /* SUNOS4 || LINUX */
#ifndef LINUX
static char idstr[16];
int
sys_getpid(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
sprintf(idstr, "ppid %lu", getrval2(tcp));
tcp->auxstr = idstr;
return RVAL_STR;
}
return 0;
}
int
sys_getuid(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
sprintf(idstr, "euid %lu", getrval2(tcp));
tcp->auxstr = idstr;
return RVAL_STR;
}
return 0;
}
int
sys_getgid(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
sprintf(idstr, "egid %lu", getrval2(tcp));
tcp->auxstr = idstr;
return RVAL_STR;
}
return 0;
}
#endif /* !LINUX */
#ifdef LINUX
int
sys_setuid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%u", (uid_t) tcp->u_arg[0]);
}
return 0;
}
int
sys_setgid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%u", (gid_t) tcp->u_arg[0]);
}
return 0;
}
int
sys_getresuid(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
__kernel_uid_t uid;
if (syserror(tcp))
tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0],
tcp->u_arg[1], tcp->u_arg[2]);
else {
if (umove(tcp, tcp->u_arg[0], &uid) < 0)
tprintf("%#lx, ", tcp->u_arg[0]);
else
tprintf("ruid %lu, ", (unsigned long) uid);
if (umove(tcp, tcp->u_arg[0], &uid) < 0)
tprintf("%#lx, ", tcp->u_arg[0]);
else
tprintf("euid %lu, ", (unsigned long) uid);
if (umove(tcp, tcp->u_arg[0], &uid) < 0)
tprintf("%#lx", tcp->u_arg[0]);
else
tprintf("suid %lu", (unsigned long) uid);
}
}
return 0;
}
int
sys_getresgid(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
__kernel_gid_t gid;
if (syserror(tcp))
tprintf("%#lx, %#lx, %#lx", tcp->u_arg[0],
tcp->u_arg[1], tcp->u_arg[2]);
else {
if (umove(tcp, tcp->u_arg[0], &gid) < 0)
tprintf("%#lx, ", tcp->u_arg[0]);
else
tprintf("rgid %lu, ", (unsigned long) gid);
if (umove(tcp, tcp->u_arg[0], &gid) < 0)
tprintf("%#lx, ", tcp->u_arg[0]);
else
tprintf("egid %lu, ", (unsigned long) gid);
if (umove(tcp, tcp->u_arg[0], &gid) < 0)
tprintf("%#lx", tcp->u_arg[0]);
else
tprintf("sgid %lu", (unsigned long) gid);
}
}
return 0;
}
#endif /* LINUX */
int
sys_setreuid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu, %lu",
(unsigned long) (uid_t) tcp->u_arg[0],
(unsigned long) (uid_t) tcp->u_arg[1]);
}
return 0;
}
int
sys_setregid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu, %lu",
(unsigned long) (gid_t) tcp->u_arg[0],
(unsigned long) (gid_t) tcp->u_arg[1]);
}
return 0;
}
#ifdef LINUX
int
sys_setresuid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("ruid %u, euid %u, suid %u",
(uid_t) tcp->u_arg[0],
(uid_t) tcp->u_arg[1],
(uid_t) tcp->u_arg[2]);
}
return 0;
}
int
sys_setresgid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("rgid %u, egid %u, sgid %u",
(uid_t) tcp->u_arg[0],
(uid_t) tcp->u_arg[1],
(uid_t) tcp->u_arg[2]);
}
return 0;
}
#endif /* LINUX */
int
sys_setgroups(tcp)
struct tcb *tcp;
{
int i, len;
GETGROUPS_T *gidset;
if (entering(tcp)) {
len = tcp->u_arg[0];
tprintf("%u, ", len);
if (len <= 0) {
tprintf("[]");
return 0;
}
gidset = (GETGROUPS_T *) malloc(len * sizeof(GETGROUPS_T));
if (gidset == NULL) {
fprintf(stderr, "sys_setgroups: out of memory\n");
return -1;
}
if (!verbose(tcp))
tprintf("%#lx", tcp->u_arg[1]);
else if (umoven(tcp, tcp->u_arg[1],
len * sizeof(GETGROUPS_T), (char *) gidset) < 0)
tprintf("[?]");
else {
tprintf("[");
for (i = 0; i < len; i++)
tprintf("%s%lu", i ? ", " : "",
(unsigned long) gidset[i]);
tprintf("]");
}
free((char *) gidset);
}
return 0;
}
int
sys_getgroups(tcp)
struct tcb *tcp;
{
int i, len;
GETGROUPS_T *gidset;
if (entering(tcp)) {
len = tcp->u_arg[0];
tprintf("%u, ", len);
} else {
len = tcp->u_rval;
if (len <= 0) {
tprintf("[]");
return 0;
}
gidset = (GETGROUPS_T *) malloc(len * sizeof(GETGROUPS_T));
if (gidset == NULL) {
fprintf(stderr, "sys_getgroups: out of memory\n");
return -1;
}
if (!tcp->u_arg[1])
tprintf("NULL");
else if (!verbose(tcp) || tcp->u_arg[0] == 0)
tprintf("%#lx", tcp->u_arg[1]);
else if (umoven(tcp, tcp->u_arg[1],
len * sizeof(GETGROUPS_T), (char *) gidset) < 0)
tprintf("[?]");
else {
tprintf("[");
for (i = 0; i < len; i++)
tprintf("%s%lu", i ? ", " : "",
(unsigned long) gidset[i]);
tprintf("]");
}
free((char *)gidset);
}
return 0;
}
int
sys_setpgrp(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
#ifndef SVR4
tprintf("%lu, %lu", tcp->u_arg[0], tcp->u_arg[1]);
#endif /* !SVR4 */
}
return 0;
}
int
sys_getpgrp(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
#ifndef SVR4
tprintf("%lu", tcp->u_arg[0]);
#endif /* !SVR4 */
}
return 0;
}
int
sys_getsid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
}
return 0;
}
int
sys_setsid(tcp)
struct tcb *tcp;
{
return 0;
}
int
sys_getpgid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu", tcp->u_arg[0]);
}
return 0;
}
int
sys_setpgid(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
tprintf("%lu, %lu", tcp->u_arg[0], tcp->u_arg[1]);
}
return 0;
}
void
fake_execve(tcp, program, argv, envp)
struct tcb *tcp;
char *program;
char *argv[];
char *envp[];
{
int i;
#ifdef ARM
if (!(qual_flags[SYS_execve - __NR_SYSCALL_BASE] & QUAL_TRACE))
return;
#else
if (!(qual_flags[SYS_execve] & QUAL_TRACE))
return;
#endif /* !ARM */
printleader(tcp);
tprintf("execve(");
string_quote(program);
tprintf(", [");
for (i = 0; argv[i] != NULL; i++) {
if (i != 0)
tprintf(", ");
string_quote(argv[i]);
}
for (i = 0; envp[i] != NULL; i++)
;
tprintf("], [/* %d var%s */]) ", i, (i != 1) ? "s" : "");
tabto(acolumn);
tprintf("= 0");
printtrailer(tcp);
}
static void
printargv(tcp, addr)
struct tcb *tcp;
long addr;
{
char *cp;
char *sep;
int max = max_strlen / 2;
for (sep = ""; --max >= 0; sep = ", ") {
if (!abbrev(tcp))
max++;
if (umove(tcp, addr, &cp) < 0) {
tprintf("%#lx", addr);
return;
}
if (cp == 0)
break;
tprintf(sep);
printstr(tcp, (long) cp, -1);
addr += sizeof(char *);
}
if (cp)
tprintf(", ...");
}
static void
printargc(fmt, tcp, addr)
char *fmt;
struct tcb *tcp;
long addr;
{
int count;
char *cp;
for (count = 0; umove(tcp, addr, &cp) >= 0 && cp != NULL; count++) {
addr += sizeof(char *);
}
tprintf(fmt, count, count == 1 ? "" : "s");
}
int
sys_execv(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
if (!verbose(tcp))
tprintf(", %#lx", tcp->u_arg[1]);
#if 0
else if (abbrev(tcp))
printargc(", [/* %d arg%s */]", tcp, tcp->u_arg[1]);
#endif
else {
tprintf(", [");
printargv(tcp, tcp->u_arg[1]);
tprintf("]");
}
}
return 0;
}
int
sys_execve(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
if (!verbose(tcp))
tprintf(", %#lx", tcp->u_arg[1]);
#if 0
else if (abbrev(tcp))
printargc(", [/* %d arg%s */]", tcp, tcp->u_arg[1]);
#endif
else {
tprintf(", [");
printargv(tcp, tcp->u_arg[1]);
tprintf("]");
}
if (!verbose(tcp))
tprintf(", %#lx", tcp->u_arg[2]);
else if (abbrev(tcp))
printargc(", [/* %d var%s */]", tcp, tcp->u_arg[2]);
else {
tprintf(", [");
printargv(tcp, tcp->u_arg[2]);
tprintf("]");
}
}
#ifdef LINUX
#if defined(ALPHA) || defined(SPARC) || defined(POWERPC)
tcp->flags |= TCB_WAITEXECVE;
#endif /* ALPHA || SPARC || POWERPC */
#endif /* LINUX */
return 0;
}
int
internal_exec(tcp)
struct tcb *tcp;
{
#ifdef SUNOS4
if (exiting(tcp) && !syserror(tcp) && followfork)
fixvfork(tcp);
#endif /* SUNOS4 */
return 0;
}
#ifdef LINUX
#ifndef __WCLONE
#define __WCLONE 0x8000000
#endif
#endif /* LINUX */
static struct xlat wait4_options[] = {
{ WNOHANG, "WNOHANG" },
#ifndef WSTOPPED
{ WUNTRACED, "WUNTRACED" },
#endif
#ifdef WEXITED
{ WEXITED, "WEXITED" },
#endif
#ifdef WTRAPPED
{ WTRAPPED, "WTRAPPED" },
#endif
#ifdef WSTOPPED
{ WSTOPPED, "WSTOPPED" },
#endif
#ifdef WCONTINUED
{ WCONTINUED, "WCONTINUED" },
#endif
#ifdef WNOWAIT
{ WNOWAIT, "WNOWAIT" },
#endif
#ifdef __WCLONE
{ __WCLONE, "__WCLONE" },
#endif
{ 0, NULL },
};
static int
printstatus(status)
int status;
{
int exited = 0;
/*
* Here is a tricky presentation problem. This solution
* is still not entirely satisfactory but since there
* are no wait status constructors it will have to do.
*/
if (WIFSTOPPED(status))
tprintf("[WIFSTOPPED(s) && WSTOPSIG(s) == %s]",
signame(WSTOPSIG(status)));
else if WIFSIGNALED(status)
tprintf("[WIFSIGNALED(s) && WTERMSIG(s) == %s%s]",
signame(WTERMSIG(status)),
WCOREDUMP(status) ? " && WCOREDUMP(s)" : "");
else if WIFEXITED(status) {
tprintf("[WIFEXITED(s) && WEXITSTATUS(s) == %d]",
WEXITSTATUS(status));
exited = 1;
}
else
tprintf("[%#x]", status);
return exited;
}
static int
printwaitn(tcp, n)
struct tcb *tcp;
int n;
{
int status;
int exited = 0;
if (entering(tcp)) {
tprintf("%ld, ", tcp->u_arg[0]);
} else {
/* status */
if (!tcp->u_arg[1])
tprintf("NULL");
else if (syserror(tcp) || tcp->u_rval == 0)
tprintf("%#lx", tcp->u_arg[1]);
else if (umove(tcp, tcp->u_arg[1], &status) < 0)
tprintf("[?]");
else
exited = printstatus(status);
/* options */
tprintf(", ");
if (!printflags(wait4_options, tcp->u_arg[2]))
tprintf("0");
if (n == 4) {
tprintf(", ");
/* usage */
if (!tcp->u_arg[3])
tprintf("NULL");
#ifdef LINUX
else if (tcp->u_rval > 0)
printrusage(tcp, tcp->u_arg[3]);
#endif /* LINUX */
#ifdef SUNOS4
else if (tcp->u_rval > 0 && exited)
printrusage(tcp, tcp->u_arg[3]);
#endif /* SUNOS4 */
else
tprintf("%#lx", tcp->u_arg[3]);
}
}
return 0;
}
int
internal_wait(tcp)
struct tcb *tcp;
{
if (entering(tcp)) {
/* WTA: fix bug with hanging children */
if (!(tcp->u_arg[2] & WNOHANG) && tcp->nchildren > 0) {
/* There are traced children */
tcp->flags |= TCB_SUSPENDED;
tcp->waitpid = tcp->u_arg[0];
}
}
return 0;
}
#ifdef SVR4
int
sys_wait(tcp)
struct tcb *tcp;
{
if (exiting(tcp)) {
/* The library wrapper stuffs this into the user variable. */
if (!syserror(tcp))
printstatus(getrval2(tcp));
}
return 0;
}
#endif /* SVR4 */
int
sys_waitpid(tcp)
struct tcb *tcp;
{
return printwaitn(tcp, 3);
}
int
sys_wait4(tcp)
struct tcb *tcp;
{
return printwaitn(tcp, 4);
}
#ifdef SVR4
static struct xlat waitid_types[] = {
{ P_PID, "P_PID" },
{ P_PPID, "P_PPID" },
{ P_PGID, "P_PGID" },
{ P_SID, "P_SID" },
{ P_CID, "P_CID" },
{ P_UID, "P_UID" },
{ P_GID, "P_GID" },
{ P_ALL, "P_ALL" },
#ifdef P_LWPID
{ P_LWPID, "P_LWPID" },
#endif
{ 0, NULL },
};
static struct xlat siginfo_codes[] = {
#ifdef SI_NOINFO
{ SI_NOINFO, "SI_NOINFO" },
#endif
#ifdef SI_USER
{ SI_USER, "SI_USER" },
#endif
#ifdef SI_LWP
{ SI_LWP, "SI_LWP" },
#endif
#ifdef SI_QUEUE
{ SI_QUEUE, "SI_QUEUE" },
#endif
#ifdef SI_TIMER
{ SI_TIMER, "SI_TIMER" },
#endif
#ifdef SI_ASYNCIO
{ SI_ASYNCIO, "SI_ASYNCIO" },
#endif
#ifdef SI_MESGQ
{ SI_MESGQ, "SI_MESGQ" },
#endif
{ 0, NULL },
};
static struct xlat sigtrap_codes[] = {
{ TRAP_BRKPT, "TRAP_BRKPT" },
{ TRAP_TRACE, "TRAP_TRACE" },
{ 0, NULL },
};
static struct xlat sigcld_codes[] = {
{ CLD_EXITED, "CLD_EXITED" },
{ CLD_KILLED, "CLD_KILLED" },
{ CLD_DUMPED, "CLD_DUMPED" },
{ CLD_TRAPPED, "CLD_TRAPPED" },
{ CLD_STOPPED, "CLD_STOPPED" },
{ CLD_CONTINUED,"CLD_CONTINUED" },
{ 0, NULL },
};
static struct xlat sigpoll_codes[] = {
{ POLL_IN, "POLL_IN" },
{ POLL_OUT, "POLL_OUT" },
{ POLL_MSG, "POLL_MSG" },
{ POLL_ERR, "POLL_ERR" },
{ POLL_PRI, "POLL_PRI" },
{ POLL_HUP, "POLL_HUP" },
{ 0, NULL },
};
static struct xlat sigprof_codes[] = {
#ifdef PROF_SIG
{ PROF_SIG, "PROF_SIG" },
#endif
{ 0, NULL },
};
static struct xlat sigill_codes[] = {
{ ILL_ILLOPC, "ILL_ILLOPC" },
{ ILL_ILLOPN, "ILL_ILLOPN" },
{ ILL_ILLADR, "ILL_ILLADR" },
{ ILL_ILLTRP, "ILL_ILLTRP" },
{ ILL_PRVOPC, "ILL_PRVOPC" },
{ ILL_PRVREG, "ILL_PRVREG" },
{ ILL_COPROC, "ILL_COPROC" },
{ ILL_BADSTK, "ILL_BADSTK" },
{ 0, NULL },
};
static struct xlat sigemt_codes[] = {
#ifdef EMT_TAGOVF
{ EMT_TAGOVF, "EMT_TAGOVF" },
#endif
{ 0, NULL },
};
static struct xlat sigfpe_codes[] = {
{ FPE_INTDIV, "FPE_INTDIV" },
{ FPE_INTOVF, "FPE_INTOVF" },
{ FPE_FLTDIV, "FPE_FLTDIV" },
{ FPE_FLTOVF, "FPE_FLTOVF" },
{ FPE_FLTUND, "FPE_FLTUND" },
{ FPE_FLTRES, "FPE_FLTRES" },
{ FPE_FLTINV, "FPE_FLTINV" },
{ FPE_FLTSUB, "FPE_FLTSUB" },
{ 0, NULL },
};
static struct xlat sigsegv_codes[] = {
{ SEGV_MAPERR, "SEGV_MAPERR" },
{ SEGV_ACCERR, "SEGV_ACCERR" },
{ 0, NULL },
};
static struct xlat sigbus_codes[] = {
{ BUS_ADRALN, "BUS_ADRALN" },
{ BUS_ADRERR, "BUS_ADRERR" },
{ BUS_OBJERR, "BUS_OBJERR" },
{ 0, NULL },
};
void
printsiginfo(sip)
siginfo_t *sip;
{
char *code;
tprintf("{si_signo=");
printsignal(sip->si_signo);
code = xlookup(siginfo_codes, sip->si_code);
if (!code) {
switch (sip->si_signo) {
case SIGTRAP:
code = xlookup(sigtrap_codes, sip->si_code);
break;
case SIGCHLD:
code = xlookup(sigcld_codes, sip->si_code);
break;
case SIGPOLL:
code = xlookup(sigpoll_codes, sip->si_code);
break;
case SIGPROF:
code = xlookup(sigprof_codes, sip->si_code);
break;
case SIGILL:
code = xlookup(sigill_codes, sip->si_code);
break;
case SIGEMT:
code = xlookup(sigemt_codes, sip->si_code);
break;
case SIGFPE:
code = xlookup(sigfpe_codes, sip->si_code);
break;
case SIGSEGV:
code = xlookup(sigsegv_codes, sip->si_code);
break;
case SIGBUS:
code = xlookup(sigbus_codes, sip->si_code);
break;
}
}
if (code)
tprintf(", si_code=%s", code);
else
tprintf(", si_code=%#x", sip->si_code);
#ifdef SI_NOINFO
if (sip->si_code != SI_NOINFO) {
#endif
if (sip->si_errno) {
if (sip->si_errno < 0 || sip->si_errno >= nerrnos)
tprintf(", si_errno=%d", sip->si_errno);
else
tprintf(", si_errno=%s",
errnoent[sip->si_errno]);
}
if (SI_FROMUSER(sip)) {
#ifdef SI_QUEUE
tprintf(", si_pid=%ld, si_uid=%ld",
sip->si_pid, sip->si_uid);
switch (sip->si_code) {
case SI_QUEUE:
#ifdef SI_TIMER
case SI_TIMER:
#endif /* SI_QUEUE */
case SI_ASYNCIO:
#ifdef SI_MESGQ
case SI_MESGQ:
#endif /* SI_MESGQ */
tprintf(", si_value=%d",
sip->si_value.sival_int);
break;
}
#endif /* SI_QUEUE */
}
else {
switch (sip->si_signo) {
case SIGCHLD:
tprintf(", si_pid=%ld, si_status=",
sip->si_pid);
if (sip->si_code == CLD_EXITED)
tprintf("%d", sip->si_status);
else
printsignal(sip->si_status);
break;
case SIGILL: case SIGFPE:
case SIGSEGV: case SIGBUS:
tprintf(", si_addr=%#lx",
(unsigned long) sip->si_addr);
break;
case SIGPOLL:
switch (sip->si_code) {
case POLL_IN: case POLL_OUT: case POLL_MSG:
tprintf(", si_band=%ld",
(long) sip->si_band);
break;
}
break;
}
}
tprintf(", ...");
#ifdef SI_NOINFO
}
#endif
tprintf("}");
}
int
sys_waitid(tcp)
struct tcb *tcp;
{
siginfo_t si;
int exited;
if (entering(tcp)) {
printxval(waitid_types, tcp->u_arg[0], "P_???");
tprintf(", %ld, ", tcp->u_arg[1]);
if (tcp->nchildren > 0) {
/* There are traced children */
tcp->flags |= TCB_SUSPENDED;
tcp->waitpid = tcp->u_arg[0];
}
}
else {
/* siginfo */
exited = 0;
if (!tcp->u_arg[2])
tprintf("NULL");
else if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[2]);
else if (umove(tcp, tcp->u_arg[2], &si) < 0)
tprintf("{???}");
else
printsiginfo(&si);
/* options */
tprintf(", ");
if (!printflags(wait4_options, tcp->u_arg[3]))
tprintf("0");
}
return 0;
}
#endif /* SVR4 */
int
sys_alarm(tcp)
struct tcb *tcp;
{
if (entering(tcp))
tprintf("%lu", tcp->u_arg[0]);
return 0;
}
int
sys_uname(tcp)
struct tcb *tcp;
{
struct utsname uname;
if (exiting(tcp)) {
if (syserror(tcp) || !verbose(tcp))
tprintf("%#lx", tcp->u_arg[0]);
else if (umove(tcp, tcp->u_arg[0], &uname) < 0)
tprintf("{...}");
else if (!abbrev(tcp)) {
tprintf("{sysname=\"%s\", nodename=\"%s\", ",
uname.sysname, uname.nodename);
tprintf("release=\"%s\", version=\"%s\", ",
uname.release, uname.version);
tprintf("machine=\"%s\"", uname.machine);
#ifdef LINUX
#ifndef __GLIBC__
tprintf(", domainname=\"%s\"", uname.domainname);
#endif /* __GLIBC__ */
#endif /* LINUX */
tprintf("}");
}
else
tprintf("{sys=\"%s\", node=\"%s\", ...}",
uname.sysname, uname.nodename);
}
return 0;
}
#ifndef SVR4
static struct xlat ptrace_cmds[] = {
{ PTRACE_TRACEME, "PTRACE_TRACEME" },
{ PTRACE_PEEKTEXT, "PTRACE_PEEKTEXT", },
{ PTRACE_PEEKDATA, "PTRACE_PEEKDATA", },
{ PTRACE_PEEKUSER, "PTRACE_PEEKUSER", },
{ PTRACE_POKETEXT, "PTRACE_POKETEXT", },
{ PTRACE_POKEDATA, "PTRACE_POKEDATA", },
{ PTRACE_POKEUSER, "PTRACE_POKEUSER", },
{ PTRACE_CONT, "PTRACE_CONT" },
{ PTRACE_KILL, "PTRACE_KILL" },
{ PTRACE_SINGLESTEP, "PTRACE_SINGLESTEP" },
{ PTRACE_ATTACH, "PTRACE_ATTACH" },
{ PTRACE_DETACH, "PTRACE_DETACH" },
#ifdef SUNOS4
{ PTRACE_GETREGS, "PTRACE_GETREGS" },
{ PTRACE_SETREGS, "PTRACE_SETREGS" },
{ PTRACE_GETFPREGS, "PTRACE_GETFPREGS", },
{ PTRACE_SETFPREGS, "PTRACE_SETFPREGS", },
{ PTRACE_READDATA, "PTRACE_READDATA" },
{ PTRACE_WRITEDATA, "PTRACE_WRITEDATA" },
{ PTRACE_READTEXT, "PTRACE_READTEXT" },
{ PTRACE_WRITETEXT, "PTRACE_WRITETEXT" },
{ PTRACE_GETFPAREGS, "PTRACE_GETFPAREGS" },
{ PTRACE_SETFPAREGS, "PTRACE_SETFPAREGS" },
#ifdef SPARC
{ PTRACE_GETWINDOW, "PTRACE_GETWINDOW" },
{ PTRACE_SETWINDOW, "PTRACE_SETWINDOW" },
#else /* !SPARC */
{ PTRACE_22, "PTRACE_PTRACE_22" },
{ PTRACE_23, "PTRACE_PTRACE_23" },
#endif /* !SPARC */
#endif /* SUNOS4 */
{ PTRACE_SYSCALL, "PTRACE_SYSCALL" },
#ifdef SUNOS4
{ PTRACE_DUMPCORE, "PTRACE_DUMPCORE" },
#ifdef I386
{ PTRACE_SETWRBKPT, "PTRACE_SETWRBKPT" },
{ PTRACE_SETACBKPT, "PTRACE_SETACBKPT" },
{ PTRACE_CLRDR7, "PTRACE_CLRDR7" },
#else /* !I386 */
{ PTRACE_26, "PTRACE_26" },
{ PTRACE_27, "PTRACE_27" },
{ PTRACE_28, "PTRACE_28" },
#endif /* !I386 */
{ PTRACE_GETUCODE, "PTRACE_GETUCODE" },
#endif /* SUNOS4 */
{ 0, NULL },
};
#ifndef SUNOS4_KERNEL_ARCH_KLUDGE
static
#endif /* !SUNOS4_KERNEL_ARCH_KLUDGE */
struct xlat struct_user_offsets[] = {
#ifdef LINUX
#ifdef SPARC
/* XXX No support for these offsets yet. */
#elif defined(POWERPC)
{ 4*PT_R0, "4*PT_R0" },
{ 4*PT_R1, "4*PT_R1" },
{ 4*PT_R2, "4*PT_R2" },
{ 4*PT_R3, "4*PT_R3" },
{ 4*PT_R4, "4*PT_R4" },
{ 4*PT_R5, "4*PT_R5" },
{ 4*PT_R6, "4*PT_R6" },
{ 4*PT_R7, "4*PT_R7" },
{ 4*PT_R8, "4*PT_R8" },
{ 4*PT_R9, "4*PT_R9" },
{ 4*PT_R10, "4*PT_R10" },
{ 4*PT_R11, "4*PT_R11" },
{ 4*PT_R12, "4*PT_R12" },
{ 4*PT_R13, "4*PT_R13" },
{ 4*PT_R14, "4*PT_R14" },
{ 4*PT_R15, "4*PT_R15" },
{ 4*PT_R16, "4*PT_R16" },
{ 4*PT_R17, "4*PT_R17" },
{ 4*PT_R18, "4*PT_R18" },
{ 4*PT_R19, "4*PT_R19" },
{ 4*PT_R20, "4*PT_R20" },
{ 4*PT_R21, "4*PT_R21" },
{ 4*PT_R22, "4*PT_R22" },
{ 4*PT_R23, "4*PT_R23" },
{ 4*PT_R24, "4*PT_R24" },
{ 4*PT_R25, "4*PT_R25" },
{ 4*PT_R26, "4*PT_R26" },
{ 4*PT_R27, "4*PT_R27" },
{ 4*PT_R28, "4*PT_R28" },
{ 4*PT_R29, "4*PT_R29" },
{ 4*PT_R30, "4*PT_R30" },
{ 4*PT_R31, "4*PT_R31" },
{ 4*PT_NIP, "4*PT_NIP" },
{ 4*PT_MSR, "4*PT_MSR" },
{ 4*PT_ORIG_R3, "4*PT_ORIG_R3" },
{ 4*PT_CTR, "4*PT_CTR" },
{ 4*PT_LNK, "4*PT_LNK" },
{ 4*PT_XER, "4*PT_XER" },
{ 4*PT_CCR, "4*PT_CCR" },
{ 4*PT_FPR0, "4*PT_FPR0" },
#else
#ifdef ALPHA
{ 0, "r0" },
{ 1, "r1" },
{ 2, "r2" },
{ 3, "r3" },
{ 4, "r4" },
{ 5, "r5" },
{ 6, "r6" },
{ 7, "r7" },
{ 8, "r8" },
{ 9, "r9" },
{ 10, "r10" },
{ 11, "r11" },
{ 12, "r12" },
{ 13, "r13" },
{ 14, "r14" },
{ 15, "r15" },
{ 16, "r16" },
{ 17, "r17" },
{ 18, "r18" },
{ 19, "r19" },
{ 20, "r20" },
{ 21, "r21" },
{ 22, "r22" },
{ 23, "r23" },
{ 24, "r24" },
{ 25, "r25" },
{ 26, "r26" },
{ 27, "r27" },
{ 28, "r28" },
{ 29, "gp" },
{ 30, "fp" },
{ 31, "zero" },
{ 32, "fp0" },
{ 33, "fp" },
{ 34, "fp2" },
{ 35, "fp3" },
{ 36, "fp4" },
{ 37, "fp5" },
{ 38, "fp6" },
{ 39, "fp7" },
{ 40, "fp8" },
{ 41, "fp9" },
{ 42, "fp10" },
{ 43, "fp11" },
{ 44, "fp12" },
{ 45, "fp13" },
{ 46, "fp14" },
{ 47, "fp15" },
{ 48, "fp16" },
{ 49, "fp17" },
{ 50, "fp18" },
{ 51, "fp19" },
{ 52, "fp20" },
{ 53, "fp21" },
{ 54, "fp22" },
{ 55, "fp23" },
{ 56, "fp24" },
{ 57, "fp25" },
{ 58, "fp26" },
{ 59, "fp27" },
{ 60, "fp28" },
{ 61, "fp29" },
{ 62, "fp30" },
{ 63, "fp31" },
{ 64, "pc" },
#else /* !ALPHA */
#ifdef I386
{ 4*EBX, "4*EBX" },
{ 4*ECX, "4*ECX" },
{ 4*EDX, "4*EDX" },
{ 4*ESI, "4*ESI" },
{ 4*EDI, "4*EDI" },
{ 4*EBP, "4*EBP" },
{ 4*EAX, "4*EAX" },
{ 4*DS, "4*DS" },
{ 4*ES, "4*ES" },
{ 4*FS, "4*FS" },
{ 4*GS, "4*GS" },
{ 4*ORIG_EAX, "4*ORIG_EAX" },
{ 4*EIP, "4*EIP" },
{ 4*CS, "4*CS" },
{ 4*EFL, "4*EFL" },
{ 4*UESP, "4*UESP" },
{ 4*SS, "4*SS" },
#else /* !I386 */
#ifdef M68K
{ 4*PT_D1, "4*PT_D1" },
{ 4*PT_D2, "4*PT_D2" },
{ 4*PT_D3, "4*PT_D3" },
{ 4*PT_D4, "4*PT_D4" },
{ 4*PT_D5, "4*PT_D5" },
{ 4*PT_D6, "4*PT_D6" },
{ 4*PT_D7, "4*PT_D7" },
{ 4*PT_A0, "4*PT_A0" },
{ 4*PT_A1, "4*PT_A1" },
{ 4*PT_A2, "4*PT_A2" },
{ 4*PT_A3, "4*PT_A3" },
{ 4*PT_A4, "4*PT_A4" },
{ 4*PT_A5, "4*PT_A5" },
{ 4*PT_A6, "4*PT_A6" },
{ 4*PT_D0, "4*PT_D0" },
{ 4*PT_USP, "4*PT_USP" },
{ 4*PT_ORIG_D0, "4*PT_ORIG_D0" },
{ 4*PT_SR, "4*PT_SR" },
{ 4*PT_PC, "4*PT_PC" },
#endif /* M68K */
#endif /* !I386 */
#ifndef MIPS
{ uoff(u_fpvalid), "offsetof(struct user, u_fpvalid)" },
#endif
#ifdef I386
{ uoff(i387), "offsetof(struct user, i387)" },
#else /* !I386 */
#ifdef M68K
{ uoff(m68kfp), "offsetof(struct user, m68kfp)" },
#endif /* M68K */
#endif /* !I386 */
{ uoff(u_tsize), "offsetof(struct user, u_tsize)" },
{ uoff(u_dsize), "offsetof(struct user, u_dsize)" },
{ uoff(u_ssize), "offsetof(struct user, u_ssize)" },
{ uoff(start_code), "offsetof(struct user, start_code)" },
{ uoff(start_stack), "offsetof(struct user, start_stack)" },
{ uoff(signal), "offsetof(struct user, signal)" },
#ifndef MIPS
{ uoff(reserved), "offsetof(struct user, reserved)" },
#endif
{ uoff(u_ar0), "offsetof(struct user, u_ar0)" },
#if !defined(ARM) && !defined(MIPS)
{ uoff(u_fpstate), "offsetof(struct user, u_fpstate)" },
#endif
{ uoff(magic), "offsetof(struct user, magic)" },
{ uoff(u_comm), "offsetof(struct user, u_comm)" },
#ifdef I386
{ uoff(u_debugreg), "offsetof(struct user, u_debugreg)" },
#endif /* I386 */
#endif /* !ALPHA */
#endif /* !POWERPC/!SPARC */
#endif /* LINUX */
#ifdef SUNOS4
{ uoff(u_pcb), "offsetof(struct user, u_pcb)" },
{ uoff(u_procp), "offsetof(struct user, u_procp)" },
{ uoff(u_ar0), "offsetof(struct user, u_ar0)" },
{ uoff(u_comm[0]), "offsetof(struct user, u_comm[0])" },
{ uoff(u_arg[0]), "offsetof(struct user, u_arg[0])" },
{ uoff(u_ap), "offsetof(struct user, u_ap)" },
{ uoff(u_qsave), "offsetof(struct user, u_qsave)" },
{ uoff(u_rval1), "offsetof(struct user, u_rval1)" },
{ uoff(u_rval2), "offsetof(struct user, u_rval2)" },
{ uoff(u_error), "offsetof(struct user, u_error)" },
{ uoff(u_eosys), "offsetof(struct user, u_eosys)" },
{ uoff(u_ssave), "offsetof(struct user, u_ssave)" },
{ uoff(u_signal[0]), "offsetof(struct user, u_signal)" },
{ uoff(u_sigmask[0]), "offsetof(struct user, u_sigmask)" },
{ uoff(u_sigonstack), "offsetof(struct user, u_sigonstack)" },
{ uoff(u_sigintr), "offsetof(struct user, u_sigintr)" },
{ uoff(u_sigreset), "offsetof(struct user, u_sigreset)" },
{ uoff(u_oldmask), "offsetof(struct user, u_oldmask)" },
{ uoff(u_code), "offsetof(struct user, u_code)" },
{ uoff(u_addr), "offsetof(struct user, u_addr)" },
{ uoff(u_sigstack), "offsetof(struct user, u_sigstack)" },
{ uoff(u_ofile), "offsetof(struct user, u_ofile)" },
{ uoff(u_pofile), "offsetof(struct user, u_pofile)" },
{ uoff(u_ofile_arr[0]), "offsetof(struct user, u_ofile_arr[0])" },
{ uoff(u_pofile_arr[0]),"offsetof(struct user, u_pofile_arr[0])"},
{ uoff(u_lastfile), "offsetof(struct user, u_lastfile)" },
{ uoff(u_cwd), "offsetof(struct user, u_cwd)" },
{ uoff(u_cdir), "offsetof(struct user, u_cdir)" },
{ uoff(u_rdir), "offsetof(struct user, u_rdir)" },
{ uoff(u_cmask), "offsetof(struct user, u_cmask)" },
{ uoff(u_ru), "offsetof(struct user, u_ru)" },
{ uoff(u_cru), "offsetof(struct user, u_cru)" },
{ uoff(u_timer[0]), "offsetof(struct user, u_timer[0])" },
{ uoff(u_XXX[0]), "offsetof(struct user, u_XXX[0])" },
{ uoff(u_ioch), "offsetof(struct user, u_ioch)" },
{ uoff(u_start), "offsetof(struct user, u_start)" },
{ uoff(u_acflag), "offsetof(struct user, u_acflag)" },
{ uoff(u_prof.pr_base), "offsetof(struct user, u_prof.pr_base)" },
{ uoff(u_prof.pr_size), "offsetof(struct user, u_prof.pr_size)" },
{ uoff(u_prof.pr_off), "offsetof(struct user, u_prof.pr_off)" },
{ uoff(u_prof.pr_scale),"offsetof(struct user, u_prof.pr_scale)"},
{ uoff(u_rlimit[0]), "offsetof(struct user, u_rlimit)" },
{ uoff(u_exdata.Ux_A), "offsetof(struct user, u_exdata.Ux_A)" },
{ uoff(u_exdata.ux_shell[0]),"offsetof(struct user, u_exdata.ux_shell[0])"},
{ uoff(u_lofault), "offsetof(struct user, u_lofault)" },
#endif /* SUNOS4 */
{ sizeof(struct user), "sizeof(struct user)" },
{ 0, NULL },
};
int
sys_ptrace(tcp)
struct tcb *tcp;
{
char *cmd;
struct xlat *x;
long addr;
cmd = xlookup(ptrace_cmds, tcp->u_arg[0]);
if (!cmd)
cmd = "PTRACE_???";
if (entering(tcp)) {
tprintf("%s, %lu, ", cmd, tcp->u_arg[1]);
addr = tcp->u_arg[2];
if (tcp->u_arg[0] == PTRACE_PEEKUSER
|| tcp->u_arg[0] == PTRACE_POKEUSER) {
for (x = struct_user_offsets; x->str; x++) {
if (x->val >= addr)
break;
}
if (!x->str)
tprintf("%#lx, ", addr);
else if (x->val > addr && x != struct_user_offsets) {
x--;
tprintf("%s + %ld, ", x->str, addr - x->val);
}
else
tprintf("%s, ", x->str);
}
else
tprintf("%#lx, ", tcp->u_arg[2]);
#ifdef LINUX
switch (tcp->u_arg[0]) {
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
break;
case PTRACE_CONT:
case PTRACE_SINGLESTEP:
case PTRACE_SYSCALL:
case PTRACE_DETACH:
printsignal(tcp->u_arg[3]);
break;
default:
tprintf("%#lx", tcp->u_arg[3]);
break;
}
} else {
switch (tcp->u_arg[0]) {
case PTRACE_PEEKDATA:
case PTRACE_PEEKTEXT:
case PTRACE_PEEKUSER:
printnum(tcp, tcp->u_arg[3], "%#x");
break;
}
}
#endif /* LINUX */
#ifdef SUNOS4
if (tcp->u_arg[0] == PTRACE_WRITEDATA ||
tcp->u_arg[0] == PTRACE_WRITETEXT) {
tprintf("%lu, ", tcp->u_arg[3]);
printstr(tcp, tcp->u_arg[4], tcp->u_arg[3]);
} else if (tcp->u_arg[0] != PTRACE_READDATA &&
tcp->u_arg[0] != PTRACE_READTEXT) {
tprintf("%#lx", tcp->u_arg[3]);
}
} else {
if (tcp->u_arg[0] == PTRACE_READDATA ||
tcp->u_arg[0] == PTRACE_READTEXT) {
tprintf("%lu, ", tcp->u_arg[3]);
printstr(tcp, tcp->u_arg[4], tcp->u_arg[3]);
}
}
#endif /* SUNOS4 */
return 0;
}
#endif /* !SVR4 */
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