* 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>
+ * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <fcntl.h>
#include <sys/file.h>
+#ifdef LINUX
+#include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_EPOLL_H
+#include <sys/epoll.h>
+#endif
+#ifdef HAVE_LIBAIO_H
+#include <libaio.h>
+#endif
+
+#if HAVE_LONG_LONG_OFF_T
+/*
+ * Hacks for systems that have a long long off_t
+ */
+#define flock64 flock /* Horrid hack */
+#define printflock printflock64 /* Horrider hack */
+#endif
+
-static struct xlat fcntlcmds[] = {
+static const struct xlat fcntlcmds[] = {
{ F_DUPFD, "F_DUPFD" },
{ F_GETFD, "F_GETFD" },
{ F_SETFD, "F_SETFD" },
#endif
#ifdef F_CNVT
{ F_CNVT, "F_CNVT" },
+#endif
+#ifdef F_SETSIG
+ { F_SETSIG, "F_SETSIG" },
+#endif
+#ifdef F_GETSIG
+ { F_GETSIG, "F_GETSIG" },
+#endif
+#ifdef F_CHKFL
+ { F_CHKFL, "F_CHKFL" },
+#endif
+#ifdef F_DUP2FD
+ { F_DUP2FD, "F_DUP2FD" },
+#endif
+#ifdef F_ALLOCSP
+ { F_ALLOCSP, "F_ALLOCSP" },
+#endif
+#ifdef F_ISSTREAM
+ { F_ISSTREAM, "F_ISSTREAM" },
+#endif
+#ifdef F_PRIV
+ { F_PRIV, "F_PRIV" },
+#endif
+#ifdef F_NPRIV
+ { F_NPRIV, "F_NPRIV" },
+#endif
+#ifdef F_QUOTACL
+ { F_QUOTACL, "F_QUOTACL" },
+#endif
+#ifdef F_BLOCKS
+ { F_BLOCKS, "F_BLOCKS" },
+#endif
+#ifdef F_BLKSIZE
+ { F_BLKSIZE, "F_BLKSIZE" },
+#endif
+#ifdef F_GETOWN
+ { F_GETOWN, "F_GETOWN" },
+#endif
+#ifdef F_SETOWN
+ { F_SETOWN, "F_SETOWN" },
+#endif
+#ifdef F_REVOKE
+ { F_REVOKE, "F_REVOKE" },
+#endif
+#ifdef F_SETLK
+ { F_SETLK, "F_SETLK" },
+#endif
+#ifdef F_SETLKW
+ { F_SETLKW, "F_SETLKW" },
+#endif
+#ifdef F_FREESP
+ { F_FREESP, "F_FREESP" },
+#endif
+#ifdef F_GETLK
+ { F_GETLK, "F_GETLK" },
+#endif
+#ifdef F_SETLK64
+ { F_SETLK64, "F_SETLK64" },
+#endif
+#ifdef F_SETLKW64
+ { F_SETLKW64, "F_SETLKW64" },
+#endif
+#ifdef F_FREESP64
+ { F_FREESP64, "F_FREESP64" },
+#endif
+#ifdef F_GETLK64
+ { F_GETLK64, "F_GETLK64" },
+#endif
+#ifdef F_SHARE
+ { F_SHARE, "F_SHARE" },
+#endif
+#ifdef F_UNSHARE
+ { F_UNSHARE, "F_UNSHARE" },
+#endif
+#ifdef F_SETLEASE
+ { F_SETLEASE, "F_SETLEASE" },
+#endif
+#ifdef F_GETLEASE
+ { F_GETLEASE, "F_GETLEASE" },
+#endif
+#ifdef F_NOTIFY
+ { F_NOTIFY, "F_NOTIFY" },
+#endif
+#ifdef F_DUPFD_CLOEXEC
+ { F_DUPFD_CLOEXEC,"F_DUPFD_CLOEXEC"},
#endif
{ 0, NULL },
};
-static struct xlat fdflags[] = {
+static const struct xlat fdflags[] = {
#ifdef FD_CLOEXEC
{ FD_CLOEXEC, "FD_CLOEXEC" },
#endif
#ifdef LOCK_SH
-static struct xlat flockcmds[] = {
+static const struct xlat flockcmds[] = {
{ LOCK_SH, "LOCK_SH" },
{ LOCK_EX, "LOCK_EX" },
{ LOCK_NB, "LOCK_NB" },
#endif /* LOCK_SH */
-static struct xlat lockfcmds[] = {
+static const struct xlat lockfcmds[] = {
{ F_RDLCK, "F_RDLCK" },
{ F_WRLCK, "F_WRLCK" },
{ F_UNLCK, "F_UNLCK" },
{ 0, NULL },
};
-static struct xlat whence[] = {
+#ifdef F_NOTIFY
+static const struct xlat notifyflags[] = {
+#ifdef DN_ACCESS
+ { DN_ACCESS, "DN_ACCESS" },
+#endif
+#ifdef DN_MODIFY
+ { DN_MODIFY, "DN_MODIFY" },
+#endif
+#ifdef DN_CREATE
+ { DN_CREATE, "DN_CREATE" },
+#endif
+#ifdef DN_DELETE
+ { DN_DELETE, "DN_DELETE" },
+#endif
+#ifdef DN_RENAME
+ { DN_RENAME, "DN_RENAME" },
+#endif
+#ifdef DN_ATTRIB
+ { DN_ATTRIB, "DN_ATTRIB" },
+#endif
+#ifdef DN_MULTISHOT
+ { DN_MULTISHOT, "DN_MULTISHOT" },
+#endif
+ { 0, NULL },
+};
+#endif
+
+static const struct xlat whence[] = {
{ SEEK_SET, "SEEK_SET" },
{ SEEK_CUR, "SEEK_CUR" },
{ SEEK_END, "SEEK_END" },
{ 0, NULL },
};
+#ifndef HAVE_LONG_LONG_OFF_T
/* fcntl/lockf */
static void
-printflock(tcp, addr, getlk)
-struct tcb *tcp;
-int addr;
-int getlk;
+printflock(struct tcb *tcp, long addr, int getlk)
{
struct flock fl;
- if (umove(tcp, addr, &fl) < 0) {
- tprintf("{...}");
- return;
+#if SUPPORTED_PERSONALITIES > 1
+ if (personality_wordsize[current_personality] != sizeof(fl.l_start)) {
+ if (personality_wordsize[current_personality] == 4) {
+ /* 32-bit x86 app on x86_64 and similar cases */
+ struct {
+ short int l_type;
+ short int l_whence;
+ int32_t l_start; /* off_t */
+ int32_t l_len; /* off_t */
+ int32_t l_pid; /* pid_t */
+ } fl32;
+ if (umove(tcp, addr, &fl32) < 0) {
+ tprintf("{...}");
+ return;
+ }
+ fl.l_type = fl32.l_type;
+ fl.l_whence = fl32.l_whence;
+ fl.l_start = fl32.l_start;
+ fl.l_len = fl32.l_len;
+ fl.l_pid = fl32.l_pid;
+ } else {
+ /* let people know we have a problem here */
+ tprintf("{ <decode error: unsupported wordsize %d> }",
+ personality_wordsize[current_personality]);
+ return;
+ }
+ } else
+#endif
+ {
+ if (umove(tcp, addr, &fl) < 0) {
+ tprintf("{...}");
+ return;
+ }
}
tprintf("{type=");
printxval(lockfcmds, fl.l_type, "F_???");
else
tprintf("}");
}
+#endif
-static char *
-sprintflags(xlat, flags)
-struct xlat *xlat;
-int flags;
+#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
+/* fcntl/lockf */
+static void
+printflock64(struct tcb *tcp, long addr, int getlk)
{
- static char outstr[1024];
- char *sep;
-
- strcpy(outstr, "flags ");
- sep = "";
- for (; xlat->str; xlat++) {
- if ((flags & xlat->val) == xlat->val) {
- sprintf(outstr + strlen(outstr),
- "%s%s", sep, xlat->str);
- sep = "|";
- flags &= ~xlat->val;
- }
+ struct flock64 fl;
+
+ if (umove(tcp, addr, &fl) < 0) {
+ tprintf("{...}");
+ return;
}
- if (flags)
- sprintf(outstr + strlen(outstr),
- "%s%#x", sep, flags);
- return outstr;
+ tprintf("{type=");
+ printxval(lockfcmds, fl.l_type, "F_???");
+ tprintf(", whence=");
+ printxval(whence, fl.l_whence, "SEEK_???");
+ tprintf(", start=%lld, len=%lld", (long long) fl.l_start, (long long) fl.l_len);
+ if (getlk)
+ tprintf(", pid=%lu}", (unsigned long) fl.l_pid);
+ else
+ tprintf("}");
}
+#endif
int
-sys_fcntl(tcp)
-struct tcb *tcp;
+sys_fcntl(struct tcb *tcp)
{
- extern struct xlat openmodes[];
-
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprintf(", ");
printxval(fcntlcmds, tcp->u_arg[1], "F_???");
switch (tcp->u_arg[1]) {
case F_SETFD:
tprintf(", ");
- if (printflags(fdflags, tcp->u_arg[2]) == 0)
- tprintf("0");
+ printflags(fdflags, tcp->u_arg[2], "FD_???");
break;
case F_SETOWN: case F_DUPFD:
+#ifdef F_DUPFD_CLOEXEC
+ case F_DUPFD_CLOEXEC:
+#endif
tprintf(", %ld", tcp->u_arg[2]);
break;
case F_SETFL:
tprintf(", ");
- if (printflags(openmodes, tcp->u_arg[2] + 1) == 0)
- tprintf("0");
+ tprint_open_modes(tcp->u_arg[2]);
break;
case F_SETLK: case F_SETLKW:
+#ifdef F_FREESP
+ case F_FREESP:
+#endif
tprintf(", ");
printflock(tcp, tcp->u_arg[2], 0);
break;
+#if _LFS64_LARGEFILE
+#ifdef F_FREESP64
+ case F_FREESP64:
+#endif
+ /* Linux glibc defines SETLK64 as SETLK,
+ even though the kernel has different values - as does Solaris. */
+#if defined(F_SETLK64) && F_SETLK64 + 0 != F_SETLK
+ case F_SETLK64:
+#endif
+#if defined(F_SETLKW64) && F_SETLKW64 + 0 != F_SETLKW
+ case F_SETLKW64:
+#endif
+ tprintf(", ");
+ printflock64(tcp, tcp->u_arg[2], 0);
+ break;
+#endif
+#ifdef F_NOTIFY
+ case F_NOTIFY:
+ tprintf(", ");
+ printflags(notifyflags, tcp->u_arg[2], "DN_???");
+ break;
+#endif
+#ifdef F_SETLEASE
+ case F_SETLEASE:
+ tprintf(", ");
+ printxval(lockfcmds, tcp->u_arg[2], "F_???");
+ break;
+#endif
}
}
else {
switch (tcp->u_arg[1]) {
case F_DUPFD:
+#ifdef F_DUPFD_CLOEXEC
+ case F_DUPFD_CLOEXEC:
+#endif
case F_SETFD: case F_SETFL:
case F_SETLK: case F_SETLKW:
case F_SETOWN: case F_GETOWN:
+#ifdef F_NOTIFY
+ case F_NOTIFY:
+#endif
+#ifdef F_SETLEASE
+ case F_SETLEASE:
+#endif
break;
case F_GETFD:
- if (tcp->u_rval == 0)
+ if (syserror(tcp) || tcp->u_rval == 0)
return 0;
- tcp->auxstr = sprintflags(fdflags, tcp->u_rval);
+ tcp->auxstr = sprintflags("flags ", fdflags, tcp->u_rval);
return RVAL_HEX|RVAL_STR;
case F_GETFL:
- tcp->auxstr = sprintflags(openmodes, tcp->u_rval + 1);
+ if (syserror(tcp))
+ return 0;
+ tcp->auxstr = sprint_open_modes(tcp->u_rval);
return RVAL_HEX|RVAL_STR;
case F_GETLK:
tprintf(", ");
printflock(tcp, tcp->u_arg[2], 1);
break;
+#if _LFS64_LARGEFILE
+#if defined(F_GETLK64) && F_GETLK64+0!=F_GETLK
+ case F_GETLK64:
+#endif
+ tprintf(", ");
+ printflock64(tcp, tcp->u_arg[2], 1);
+ break;
+#endif
+#ifdef F_GETLEASE
+ case F_GETLEASE:
+ if (syserror(tcp))
+ return 0;
+ tcp->auxstr = xlookup(lockfcmds, tcp->u_rval);
+ return RVAL_HEX|RVAL_STR;
+#endif
default:
tprintf(", %#lx", tcp->u_arg[2]);
break;
#ifdef LOCK_SH
int
-sys_flock(tcp)
-struct tcb *tcp;
+sys_flock(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- if (!printflags(flockcmds, tcp->u_arg[1]))
- tprintf("LOCK_???");
+ printfd(tcp, tcp->u_arg[0]);
+ tprintf(", ");
+ printflags(flockcmds, tcp->u_arg[1], "LOCK_???");
}
return 0;
}
#endif /* LOCK_SH */
int
-sys_close(tcp)
-struct tcb *tcp;
+sys_close(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
}
return 0;
}
int
-sys_dup(tcp)
-struct tcb *tcp;
+sys_dup(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
}
return 0;
}
-int
-sys_dup2(tcp)
-struct tcb *tcp;
+static int
+do_dup2(struct tcb *tcp, int flags_arg)
{
if (entering(tcp)) {
- tprintf("%ld, %ld", tcp->u_arg[0], tcp->u_arg[1]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprintf(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ if (flags_arg >= 0) {
+ tprintf(", ");
+ printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
+ }
}
return 0;
}
int
-sys_getdtablesize(tcp)
-struct tcb *tcp;
+sys_dup2(struct tcb *tcp)
+{
+ return do_dup2(tcp, -1);
+}
+
+#ifdef LINUX
+int
+sys_dup3(struct tcb *tcp)
+{
+ return do_dup2(tcp, 2);
+}
+#endif
+
+#if defined(ALPHA) || defined(FREEBSD) || defined(SUNOS4)
+int
+sys_getdtablesize(struct tcb *tcp)
{
return 0;
}
+#endif /* ALPHA || FREEBSD || SUNOS4 */
static int
-decode_select(tcp, args)
-struct tcb *tcp;
-long *args;
+decode_select(struct tcb *tcp, long *args, enum bitness_t bitness)
{
int i, j, nfds;
- fd_set fds;
- struct timeval tv;
+ unsigned int fdsize = ((((args[0] + 7) / 8) + sizeof(long) - 1)
+ & -sizeof(long));
+ fd_set *fds;
static char outstr[1024];
- char *sep;
+ const char *sep;
long arg;
if (entering(tcp)) {
+ fds = (fd_set *) malloc(fdsize);
+ if (fds == NULL)
+ fprintf(stderr, "out of memory\n");
nfds = args[0];
tprintf("%d", nfds);
for (i = 0; i < 3; i++) {
tprintf(", NULL");
continue;
}
- if (!verbose(tcp)) {
+ if (fds == NULL || !verbose(tcp)) {
tprintf(", %#lx", arg);
continue;
}
- if (umove(tcp, arg, &fds) < 0) {
+ if (umoven(tcp, arg, fdsize, (char *) fds) < 0) {
tprintf(", [?]");
continue;
}
tprintf(", [");
for (j = 0, sep = ""; j < nfds; j++) {
- if (FD_ISSET(j, &fds)) {
- tprintf("%s%u", sep, j);
+ if (FD_ISSET(j, fds)) {
+ tprintf("%s", sep);
+ printfd(tcp, j);
sep = " ";
}
}
tprintf("]");
}
- if (!args[4])
- tprintf(", NULL");
- else if (!verbose(tcp))
- tprintf(", %#lx", args[4]);
- else if (umove(tcp, args[4], &tv) < 0)
- tprintf(", {...}");
- else {
- tprintf(", {%lu, %lu}",
- (long) tv.tv_sec, (long) tv.tv_usec);
- }
+ free(fds);
+ tprintf(", ");
+ printtv_bitness(tcp, args[4], bitness, 0);
}
- else {
+ else
+ {
unsigned int cumlen = 0;
- char *sep = "";
+ const char *sep = "";
if (syserror(tcp))
return 0;
tcp->auxstr = "Timeout";
return RVAL_STR;
}
+
+ fds = (fd_set *) malloc(fdsize);
+ if (fds == NULL)
+ fprintf(stderr, "out of memory\n");
+
outstr[0] = '\0';
for (i = 0; i < 3; i++) {
int first = 1;
- char str[20];
tcp->auxstr = outstr;
arg = args[i+1];
- if (!arg || umove(tcp, arg, &fds) < 0)
+ if (fds == NULL || !arg ||
+ umoven(tcp, arg, fdsize, (char *) fds) < 0)
continue;
for (j = 0; j < args[0]; j++) {
- if (FD_ISSET(j, &fds)) {
+ if (FD_ISSET(j, fds)) {
+ char str[11 + 3 * sizeof(int)];
+
if (first) {
sprintf(str, "%s%s [%u", sep,
i == 0 ? "in" :
if (nfds == 0)
break;
}
+ free(fds);
#ifdef LINUX
/* This contains no useful information on SunOS. */
if (args[4]) {
- char str[20];
+ char str[128];
- if (umove(tcp, args[4], &tv) >= 0)
- sprintf(str, "%sleft {%lu, %lu}", sep,
- (long) tv.tv_sec, (long) tv.tv_usec);
+ sprintf(str, "%sleft ", sep);
+ sprinttv(tcp, args[4], bitness, str + strlen(str));
if ((cumlen += strlen(str)) < sizeof(outstr))
strcat(outstr, str);
}
#ifdef LINUX
int
-sys_oldselect(tcp)
-struct tcb *tcp;
+sys_oldselect(struct tcb *tcp)
{
long args[5];
tprintf("[...]");
return 0;
}
- return decode_select(tcp, args);
+ return decode_select(tcp, args, BITNESS_CURRENT);
+}
+
+#ifdef ALPHA
+int
+sys_osf_select(struct tcb *tcp)
+{
+ long *args = tcp->u_arg;
+ return decode_select(tcp, args, BITNESS_32);
+}
+#endif
+
+static const struct xlat epollctls[] = {
+#ifdef EPOLL_CTL_ADD
+ { EPOLL_CTL_ADD, "EPOLL_CTL_ADD" },
+#endif
+#ifdef EPOLL_CTL_MOD
+ { EPOLL_CTL_MOD, "EPOLL_CTL_MOD" },
+#endif
+#ifdef EPOLL_CTL_DEL
+ { EPOLL_CTL_DEL, "EPOLL_CTL_DEL" },
+#endif
+ { 0, NULL }
+};
+
+static const struct xlat epollevents[] = {
+#ifdef EPOLLIN
+ { EPOLLIN, "EPOLLIN" },
+#endif
+#ifdef EPOLLPRI
+ { EPOLLPRI, "EPOLLPRI" },
+#endif
+#ifdef EPOLLOUT
+ { EPOLLOUT, "EPOLLOUT" },
+#endif
+#ifdef EPOLLRDNORM
+ { EPOLLRDNORM, "EPOLLRDNORM" },
+#endif
+#ifdef EPOLLRDBAND
+ { EPOLLRDBAND, "EPOLLRDBAND" },
+#endif
+#ifdef EPOLLWRNORM
+ { EPOLLWRNORM, "EPOLLWRNORM" },
+#endif
+#ifdef EPOLLWRBAND
+ { EPOLLWRBAND, "EPOLLWRBAND" },
+#endif
+#ifdef EPOLLMSG
+ { EPOLLMSG, "EPOLLMSG" },
+#endif
+#ifdef EPOLLERR
+ { EPOLLERR, "EPOLLERR" },
+#endif
+#ifdef EPOLLHUP
+ { EPOLLHUP, "EPOLLHUP" },
+#endif
+#ifdef EPOLLONESHOT
+ { EPOLLONESHOT, "EPOLLONESHOT" },
+#endif
+#ifdef EPOLLET
+ { EPOLLET, "EPOLLET" },
+#endif
+ { 0, NULL }
+};
+
+int
+sys_epoll_create(struct tcb *tcp)
+{
+ if (entering(tcp))
+ tprintf("%ld", tcp->u_arg[0]);
+ return 0;
+}
+
+int
+sys_epoll_create1(struct tcb *tcp)
+{
+ if (entering(tcp))
+ printflags(open_mode_flags, tcp->u_arg[0], "O_???");
+ return 0;
+}
+
+#ifdef HAVE_SYS_EPOLL_H
+static void
+print_epoll_event(struct epoll_event *ev)
+{
+ tprintf("{");
+ printflags(epollevents, ev->events, "EPOLL???");
+ /* We cannot know what format the program uses, so print u32 and u64
+ which will cover every value. */
+ tprintf(", {u32=%" PRIu32 ", u64=%" PRIu64 "}}",
+ ev->data.u32, ev->data.u64);
+}
+#endif
+
+int
+sys_epoll_ctl(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprintf(", ");
+ printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
+ tprintf(", ");
+ printfd(tcp, tcp->u_arg[2]);
+ tprintf(", ");
+ if (tcp->u_arg[3] == 0)
+ tprintf("NULL");
+ else {
+#ifdef HAVE_SYS_EPOLL_H
+ struct epoll_event ev;
+ if (umove(tcp, tcp->u_arg[3], &ev) == 0)
+ print_epoll_event(&ev);
+ else
+#endif
+ tprintf("{...}");
+ }
+ }
+ return 0;
+}
+
+static void
+epoll_wait_common(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprintf(", ");
+ } else {
+ if (syserror(tcp))
+ tprintf("%lx", tcp->u_arg[1]);
+ else if (tcp->u_rval == 0)
+ tprintf("{}");
+ else {
+#ifdef HAVE_SYS_EPOLL_H
+ struct epoll_event ev, *start, *cur, *end;
+ int failed = 0;
+
+ tprintf("{");
+ start = (struct epoll_event *) tcp->u_arg[1];
+ end = start + tcp->u_rval;
+ for (cur = start; cur < end; ++cur) {
+ if (cur > start)
+ tprintf(", ");
+ if (umove(tcp, (long) cur, &ev) == 0)
+ print_epoll_event(&ev);
+ else {
+ tprintf("?");
+ failed = 1;
+ break;
+ }
+ }
+ tprintf("}");
+ if (failed)
+ tprintf(" %#lx", (long) start);
+#else
+ tprintf("{...}");
+#endif
+ }
+ tprintf(", %ld, %ld", tcp->u_arg[2], tcp->u_arg[3]);
+ }
}
+int
+sys_epoll_wait(struct tcb *tcp)
+{
+ epoll_wait_common(tcp);
+ return 0;
+}
+
+int
+sys_epoll_pwait(struct tcb *tcp)
+{
+ epoll_wait_common(tcp);
+ if (exiting(tcp)) {
+ tprintf(", ");
+ print_sigset(tcp, tcp->u_arg[4], 0);
+ }
+ return 0;
+}
+
+int
+sys_io_setup(struct tcb *tcp)
+{
+ if (entering(tcp))
+ tprintf("%ld, ", tcp->u_arg[0]);
+ else {
+ if (syserror(tcp))
+ tprintf("0x%0lx", tcp->u_arg[1]);
+ else {
+ unsigned long user_id;
+ if (umove(tcp, tcp->u_arg[1], &user_id) == 0)
+ tprintf("{%lu}", user_id);
+ else
+ tprintf("{...}");
+ }
+ }
+ return 0;
+}
+
+int
+sys_io_destroy(struct tcb *tcp)
+{
+ if (entering(tcp))
+ tprintf("%lu", tcp->u_arg[0]);
+ return 0;
+}
+
+int
+sys_io_submit(struct tcb *tcp)
+{
+ long nr;
+ if (entering(tcp)) {
+ tprintf("%lu, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
+ nr = tcp->u_arg[1];
+ /* and if nr is negative? */
+ if (nr == 0)
+ tprintf("{}");
+ else {
+#ifdef HAVE_LIBAIO_H
+ long i;
+ struct iocb *iocbp, **iocbs = (void *)tcp->u_arg[2];
+
+ for (i = 0; i < nr; i++, iocbs++) {
+ struct iocb iocb;
+ if (i == 0)
+ tprintf("{");
+ else
+ tprintf(", ");
+
+ if (umove(tcp, (unsigned long)iocbs, &iocbp) ||
+ umove(tcp, (unsigned long)iocbp, &iocb)) {
+ tprintf("{...}");
+ continue;
+ }
+ tprintf("{%p, %u, %hu, %hu, %d}",
+ iocb.data, iocb.key,
+ iocb.aio_lio_opcode,
+ iocb.aio_reqprio, iocb.aio_fildes);
+ }
+ if (i)
+ tprintf("}");
+#else
+ tprintf("{...}");
+#endif
+ }
+ }
+ return 0;
+}
+
+int
+sys_io_cancel(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+#ifdef HAVE_LIBAIO_H
+ struct iocb iocb;
+#endif
+ tprintf("%lu, ", tcp->u_arg[0]);
+#ifdef HAVE_LIBAIO_H
+ if (umove(tcp, tcp->u_arg[1], &iocb) == 0) {
+ tprintf("{%p, %u, %hu, %hu, %d}, ",
+ iocb.data, iocb.key,
+ iocb.aio_lio_opcode,
+ iocb.aio_reqprio, iocb.aio_fildes);
+ } else
+#endif
+ tprintf("{...}, ");
+ } else {
+ if (tcp->u_rval < 0)
+ tprintf("{...}");
+ else {
+#ifdef HAVE_LIBAIO_H
+ struct io_event event;
+ if (umove(tcp, tcp->u_arg[2], &event) == 0)
+ tprintf("{%p, %p, %ld, %ld}",
+ event.data, event.obj,
+ event.res, event.res2);
+ else
+#endif
+ tprintf("{...}");
+ }
+ }
+ return 0;
+}
+
+int
+sys_io_getevents(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ tprintf("%ld, %ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1],
+ tcp->u_arg[2]);
+ } else {
+ if (tcp->u_rval == 0) {
+ tprintf("{}");
+ } else {
+#ifdef HAVE_LIBAIO_H
+ struct io_event *events = (void *)tcp->u_arg[3];
+ long i, nr = tcp->u_rval;
+
+ for (i = 0; i < nr; i++, events++) {
+ struct io_event event;
+
+ if (i == 0)
+ tprintf("{");
+ else
+ tprintf(", ");
+
+ if (umove(tcp, (unsigned long)events, &event) != 0) {
+ tprintf("{...}");
+ continue;
+ }
+ tprintf("{%p, %p, %ld, %ld}", event.data,
+ event.obj, event.res, event.res2);
+ }
+ tprintf("}, ");
+#else
+ tprintf("{...}");
+#endif
+ }
+
+ print_timespec(tcp, tcp->u_arg[4]);
+ }
+ return 0;
+}
#endif /* LINUX */
int
-sys_select(tcp)
-struct tcb *tcp;
+sys_select(struct tcb *tcp)
{
- long *args = tcp->u_arg;
- return decode_select(tcp, args);
+ return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
+}
+
+#ifdef LINUX
+int
+sys_pselect6(struct tcb *tcp)
+{
+ int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
+ if (entering(tcp)) {
+ struct {
+ void *ss;
+ unsigned long len;
+ } data;
+ if (umove(tcp, tcp->u_arg[5], &data) < 0)
+ tprintf(", %#lx", tcp->u_arg[5]);
+ else {
+ tprintf(", {");
+ if (data.len < sizeof(long))
+ tprintf("%#lx", (long)data.ss);
+ else
+ print_sigset(tcp, (long)data.ss, 0);
+ tprintf(", %lu}", data.len);
+ }
+ }
+ return rc;
}
+
+static int
+do_eventfd(struct tcb *tcp, int flags_arg)
+{
+ if (entering(tcp)) {
+ tprintf("%lu", tcp->u_arg[0]);
+ if (flags_arg >= 0) {
+ tprintf(", ");
+ printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
+ }
+ }
+ return 0;
+}
+
+int
+sys_eventfd(struct tcb *tcp)
+{
+ return do_eventfd(tcp, -1);
+}
+
+int
+sys_eventfd2(struct tcb *tcp)
+{
+ return do_eventfd(tcp, 1);
+}
+#endif
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