* 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/file.h>
-#ifdef LINUX
-#include <inttypes.h>
-#endif
#ifdef HAVE_SYS_EPOLL_H
-#include <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 */
+#ifdef HAVE_LINUX_PERF_EVENT_H
+# include <linux/perf_event.h>
#endif
-
static const struct xlat fcntlcmds[] = {
{ F_DUPFD, "F_DUPFD" },
{ F_GETFD, "F_GETFD" },
#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 },
};
{ 0, NULL },
};
-static const struct xlat whence[] = {
- { SEEK_SET, "SEEK_SET" },
- { SEEK_CUR, "SEEK_CUR" },
- { SEEK_END, "SEEK_END" },
+#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
-#ifndef HAVE_LONG_LONG_OFF_T
-/* fcntl/lockf */
-static void
-printflock(tcp, addr, getlk)
-struct tcb *tcp;
-long addr;
-int getlk;
-{
- struct flock fl;
+static const struct xlat perf_event_open_flags[] = {
+#ifdef PERF_FLAG_FD_NO_GROUP
+ { PERF_FLAG_FD_NO_GROUP, "PERF_FLAG_FD_NO_GROUP" },
+#endif
+#ifdef PERF_FLAG_FD_OUTPUT
+ { PERF_FLAG_FD_OUTPUT, "PERF_FLAG_FD_OUTPUT" },
+#endif
+#ifdef PERF_FLAG_PID_CGROUP
+ { PERF_FLAG_PID_CGROUP, "PERF_FLAG_PID_CGROUP" },
+#endif
+ { 0, NULL },
+};
- if (umove(tcp, addr, &fl) < 0) {
- tprintf("{...}");
- return;
- }
- tprintf("{type=");
- printxval(lockfcmds, fl.l_type, "F_???");
- tprintf(", whence=");
- printxval(whence, fl.l_whence, "SEEK_???");
- tprintf(", start=%ld, len=%ld", fl.l_start, fl.l_len);
- if (getlk)
- tprintf(", pid=%lu}", (unsigned long) fl.l_pid);
- else
- tprintf("}");
-}
+#if defined(F_SETLK64) && F_SETLK64 + 0 != F_SETLK
+# define HAVE_F_SETLK64 1
+#else
+# define HAVE_F_SETLK64 0
+#endif
+
+#if defined(F_SETLKW64) && F_SETLKW64 + 0 != F_SETLKW
+# define HAVE_F_SETLKW64 1
+#else
+# define HAVE_F_SETLKW64 0
+#endif
+
+#if defined(F_GETLK64) && F_GETLK64+0 != F_GETLK
+# define HAVE_F_GETLK64 1
+#else
+# define HAVE_F_GETLK64 0
+#endif
+
+#if defined(X32) || defined(F_FREESP64) || \
+ HAVE_F_SETLK64 || HAVE_F_SETLKW64 || HAVE_F_GETLK64
+
+#ifndef HAVE_STRUCT_FLOCK64
+struct flock64 {
+ short int l_type, l_whence;
+ int64_t l_start, l_len;
+ int l_pid;
+};
#endif
-#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
/* fcntl/lockf */
static void
-printflock64(tcp, addr, getlk)
-struct tcb *tcp;
-long addr;
-int getlk;
+printflock64(struct tcb *tcp, long addr, int getlk)
{
struct flock64 fl;
if (umove(tcp, addr, &fl) < 0) {
- tprintf("{...}");
+ tprints("{...}");
return;
}
- tprintf("{type=");
+ tprints("{type=");
printxval(lockfcmds, fl.l_type, "F_???");
- tprintf(", whence=");
- printxval(whence, fl.l_whence, "SEEK_???");
+ tprints(", whence=");
+ printxval(whence_codes, 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("}");
+ tprints("}");
}
#endif
-/*
- * low bits of the open(2) flags define access mode,
- * other bits are real flags.
- */
-static const char *
-sprint_open_modes(mode_t flags)
+/* fcntl/lockf */
+static void
+printflock(struct tcb *tcp, long addr, int getlk)
{
- extern const struct xlat open_access_modes[];
- extern const struct xlat open_mode_flags[];
- static char outstr[1024];
- const char *str = xlookup(open_access_modes, flags & 3);
- const char *sep = "";
- const struct xlat *x;
-
- strcpy(outstr, "flags ");
- if (str)
- {
- strcat(outstr, str);
- flags &= ~3;
- if (!flags)
- return outstr;
- strcat(outstr, "|");
- }
+ struct flock fl;
- for (x = open_mode_flags; x->str; x++)
+#if SUPPORTED_PERSONALITIES > 1
+# ifdef X32
+ if (current_personality == 0) {
+ printflock64(tcp, addr, getlk);
+ return;
+ }
+# endif
+ if (current_wordsize != sizeof(fl.l_start)) {
+ if (current_wordsize == 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) {
+ tprints("{...}");
+ 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>",
+ current_wordsize);
+ return;
+ }
+ } else
+#endif
{
- if ((flags & x->val) == x->val)
- {
- sprintf(outstr + strlen(outstr),
- "%s%s", sep, x->str);
- sep = "|";
- flags &= ~x->val;
+ if (umove(tcp, addr, &fl) < 0) {
+ tprints("{...}");
+ return;
}
}
- if (flags)
- sprintf(outstr + strlen(outstr), "%s%#x", sep, flags);
- return outstr;
+ tprints("{type=");
+ printxval(lockfcmds, fl.l_type, "F_???");
+ tprints(", whence=");
+ printxval(whence_codes, fl.l_whence, "SEEK_???");
+#ifdef X32
+ tprintf(", start=%lld, len=%lld", fl.l_start, fl.l_len);
+#else
+ tprintf(", start=%ld, len=%ld", fl.l_start, fl.l_len);
+#endif
+ if (getlk)
+ tprintf(", pid=%lu}", (unsigned long) fl.l_pid);
+ else
+ tprints("}");
}
int
sys_fcntl(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
printxval(fcntlcmds, tcp->u_arg[1], "F_???");
switch (tcp->u_arg[1]) {
case F_SETFD:
- tprintf(", ");
+ tprints(", ");
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(", ");
- tprint_open_modes(tcp, tcp->u_arg[2]);
+ tprints(", ");
+ tprint_open_modes(tcp->u_arg[2]);
break;
case F_SETLK: case F_SETLKW:
#ifdef F_FREESP
case F_FREESP:
#endif
- tprintf(", ");
+ tprints(", ");
printflock(tcp, tcp->u_arg[2], 0);
break;
-#if _LFS64_LARGEFILE
+#if defined(F_FREESP64) || HAVE_F_SETLK64 || HAVE_F_SETLKW64
#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
+#if HAVE_F_SETLK64
case F_SETLK64:
#endif
-#if defined(F_SETLKW64) && F_SETLKW64+0!=F_SETLKW
+#if HAVE_F_SETLKW64
case F_SETLKW64:
#endif
- tprintf(", ");
+ tprints(", ");
printflock64(tcp, tcp->u_arg[2], 0);
break;
+#endif /* defined(F_FREESP64) || HAVE_F_SETLK64 || HAVE_F_SETLKW64 */
+#ifdef F_NOTIFY
+ case F_NOTIFY:
+ tprints(", ");
+ printflags(notifyflags, tcp->u_arg[2], "DN_???");
+ break;
#endif
- }
+#ifdef F_SETLEASE
+ case F_SETLEASE:
+ tprints(", ");
+ 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 (syserror(tcp) || tcp->u_rval == 0)
return 0;
- tcp->auxstr =
- sprintflags("flags ", fdflags, tcp->u_rval);
+ tcp->auxstr = sprintflags("flags ", fdflags, tcp->u_rval);
return RVAL_HEX|RVAL_STR;
case F_GETFL:
if (syserror(tcp))
tcp->auxstr = sprint_open_modes(tcp->u_rval);
return RVAL_HEX|RVAL_STR;
case F_GETLK:
- tprintf(", ");
+ tprints(", ");
printflock(tcp, tcp->u_arg[2], 1);
break;
-#if _LFS64_LARGEFILE
-#if defined(F_GETLK64) && F_GETLK64+0!=F_GETLK
+#if HAVE_F_GETLK64
case F_GETLK64:
-#endif
- tprintf(", ");
+ tprints(", ");
printflock64(tcp, tcp->u_arg[2], 1);
break;
#endif
- default:
+#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]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
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;
+static int
+do_dup2(struct tcb *tcp, int flags_arg)
{
if (entering(tcp)) {
- tprintf("%ld", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ if (flags_arg >= 0) {
+ tprints(", ");
+ printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
+ }
}
return 0;
}
int
-sys_dup2(tcp)
-struct tcb *tcp;
+sys_dup2(struct tcb *tcp)
{
- if (entering(tcp)) {
- tprintf("%ld, %ld", tcp->u_arg[0], tcp->u_arg[1]);
- }
- return 0;
+ return do_dup2(tcp, -1);
+}
+
+int
+sys_dup3(struct tcb *tcp)
+{
+ return do_dup2(tcp, 2);
}
-#if defined(ALPHA) || defined(FREEBSD) || defined(SUNOS4)
+#if defined(ALPHA)
int
-sys_getdtablesize(tcp)
-struct tcb *tcp;
+sys_getdtablesize(struct tcb *tcp)
{
return 0;
}
-#endif /* ALPHA || FREEBSD || SUNOS4 */
+#endif
static int
decode_select(struct tcb *tcp, long *args, enum bitness_t bitness)
{
- int i, j, nfds;
- unsigned int fdsize = ((((args[0] + 7) / 8) + sizeof(long) - 1)
- & -sizeof(long));
+ int i, j;
+ int nfds, fdsize;
fd_set *fds;
- static char outstr[1024];
- char *sep;
+ const char *sep;
long arg;
+ /* Kernel truncates arg[0] to int, we do the same. */
+ nfds = (int) args[0];
+
+ /* Kernel rejects negative nfds, so we don't parse it either. */
+ if (nfds < 0) {
+ nfds = 0;
+ fds = NULL;
+ }
+ /* Beware of select(2^31-1, NULL, NULL, NULL) and similar... */
+ if (nfds > 1024*1024)
+ nfds = 1024*1024;
+
+ /*
+ * We had bugs a-la "while (j < args[0])" and "umoven(args[0])" below.
+ * Instead of args[0], use nfds for fd count, fdsize for array lengths.
+ */
+ fdsize = (((nfds + 7) / 8) + current_wordsize-1) & -current_wordsize;
+
if (entering(tcp)) {
- fds = (fd_set *) malloc(fdsize);
- if (fds == NULL)
- fprintf(stderr, "out of memory\n");
- nfds = args[0];
- tprintf("%d", nfds);
+ tprintf("%d", (int) args[0]);
+
+ if (fdsize > 0) {
+ fds = malloc(fdsize);
+ if (!fds)
+ die_out_of_memory();
+ }
for (i = 0; i < 3; i++) {
arg = args[i+1];
if (arg == 0) {
- tprintf(", NULL");
+ tprints(", NULL");
continue;
}
- if (fds == NULL || !verbose(tcp)) {
+ if (!verbose(tcp) || !fds) {
tprintf(", %#lx", arg);
continue;
}
if (umoven(tcp, arg, fdsize, (char *) fds) < 0) {
- tprintf(", [?]");
+ tprints(", [?]");
continue;
}
- tprintf(", [");
- for (j = 0, sep = ""; j < nfds; j++) {
- if (FD_ISSET(j, fds)) {
- tprintf("%s%u", sep, j);
- sep = " ";
- }
+ tprints(", [");
+ for (j = 0, sep = "";; j++) {
+ j = next_set_bit(fds, j, nfds);
+ if (j < 0)
+ break;
+ tprints(sep);
+ printfd(tcp, j);
+ sep = " ";
}
- tprintf("]");
+ tprints("]");
}
free(fds);
- tprintf(", ");
+ tprints(", ");
printtv_bitness(tcp, args[4], bitness, 0);
}
- else
- {
- unsigned int cumlen = 0;
- char *sep = "";
+ else {
+ static char outstr[1024];
+ char *outptr;
+#define end_outstr (outstr + sizeof(outstr))
+ int ready_fds;
if (syserror(tcp))
return 0;
- if ((nfds = tcp->u_rval) == 0) {
+ ready_fds = tcp->u_rval;
+ if (ready_fds == 0) {
tcp->auxstr = "Timeout";
return RVAL_STR;
}
- fds = (fd_set *) malloc(fdsize);
- if (fds == NULL)
- fprintf(stderr, "out of memory\n");
+ fds = malloc(fdsize);
+ if (!fds)
+ die_out_of_memory();
- outstr[0] = '\0';
- for (i = 0; i < 3; i++) {
+ outptr = outstr;
+ sep = "";
+ for (i = 0; i < 3 && ready_fds > 0; i++) {
int first = 1;
- char str[20];
- tcp->auxstr = outstr;
arg = args[i+1];
- if (fds == NULL || !arg ||
- umoven(tcp, arg, fdsize, (char *) fds) < 0)
+ if (!arg || umoven(tcp, arg, fdsize, (char *) fds) < 0)
continue;
- for (j = 0; j < args[0]; j++) {
- if (FD_ISSET(j, fds)) {
+ for (j = 0;; j++) {
+ j = next_set_bit(fds, j, nfds);
+ if (j < 0)
+ break;
+ /* +2 chars needed at the end: ']',NUL */
+ if (outptr < end_outstr - (sizeof(", except [") + sizeof(int)*3 + 2)) {
if (first) {
- sprintf(str, "%s%s [%u", sep,
- i == 0 ? "in" :
- i == 1 ? "out" :
- "except", j);
+ outptr += sprintf(outptr, "%s%s [%u",
+ sep,
+ i == 0 ? "in" : i == 1 ? "out" : "except",
+ j
+ );
first = 0;
sep = ", ";
}
- else
- sprintf(str, " %u", j);
- cumlen += strlen(str);
- if (cumlen < sizeof(outstr))
- strcat(outstr, str);
- nfds--;
+ else {
+ outptr += sprintf(outptr, " %u", j);
+ }
}
+ if (--ready_fds == 0)
+ break;
}
- if (cumlen)
- strcat(outstr, "]");
- if (nfds == 0)
- break;
+ if (outptr != outstr)
+ *outptr++ = ']';
}
free(fds);
-#ifdef LINUX
/* This contains no useful information on SunOS. */
if (args[4]) {
- char str[128];
-
- sprintf(str, "%sleft ", sep);
- sprinttv(tcp, args[4], bitness, str + strlen(str));
- if ((cumlen += strlen(str)) < sizeof(outstr))
- strcat(outstr, str);
+ if (outptr < end_outstr - (10 + TIMEVAL_TEXT_BUFSIZE)) {
+ outptr += sprintf(outptr, "%sleft ", sep);
+ outptr = sprinttv(outptr, tcp, args[4], bitness, /*special:*/ 0);
+ }
}
-#endif /* LINUX */
+ *outptr = '\0';
+ tcp->auxstr = outstr;
return RVAL_STR;
+#undef end_outstr
}
return 0;
}
-#ifdef LINUX
-
int
-sys_oldselect(tcp)
-struct tcb *tcp;
+sys_oldselect(struct tcb *tcp)
{
long args[5];
if (umoven(tcp, tcp->u_arg[0], sizeof args, (char *) args) < 0) {
- tprintf("[...]");
+ tprints("[...]");
return 0;
}
return decode_select(tcp, args, BITNESS_CURRENT);
#ifdef ALPHA
int
-sys_osf_select(tcp)
-struct tcb *tcp;
+sys_osf_select(struct tcb *tcp)
{
long *args = tcp->u_arg;
return decode_select(tcp, args, BITNESS_32);
}
#endif
-static struct xlat epollctls[] = {
+static const struct xlat epollctls[] = {
#ifdef EPOLL_CTL_ADD
{ EPOLL_CTL_ADD, "EPOLL_CTL_ADD" },
#endif
{ 0, NULL }
};
-static struct xlat epollevents[] = {
+static const struct xlat epollevents[] = {
#ifdef EPOLLIN
{ EPOLLIN, "EPOLLIN" },
#endif
#ifdef EPOLLHUP
{ EPOLLHUP, "EPOLLHUP" },
#endif
+#ifdef EPOLLRDHUP
+ { EPOLLRDHUP, "EPOLLRDHUP" },
+#endif
#ifdef EPOLLONESHOT
{ EPOLLONESHOT, "EPOLLONESHOT" },
#endif
{ 0, NULL }
};
+/* Not aliased to printargs_ld: we want it to have a distinct address */
+int
+sys_epoll_create(struct tcb *tcp)
+{
+ return printargs_ld(tcp);
+}
+
+static const struct xlat epollflags[] = {
+#ifdef EPOLL_CLOEXEC
+ { EPOLL_CLOEXEC, "EPOLL_CLOEXEC" },
+#endif
+#ifdef EPOLL_NONBLOCK
+ { EPOLL_NONBLOCK, "EPOLL_NONBLOCK" },
+#endif
+ { 0, NULL }
+};
+
int
-sys_epoll_create(tcp)
-struct tcb *tcp;
+sys_epoll_create1(struct tcb *tcp)
{
if (entering(tcp))
- tprintf("%ld", tcp->u_arg[0]);
+ printflags(epollflags, tcp->u_arg[0], "EPOLL_???");
return 0;
}
#ifdef HAVE_SYS_EPOLL_H
static void
-print_epoll_event(ev)
-struct epoll_event *ev;
+print_epoll_event(struct epoll_event *ev)
{
- tprintf("{");
+ tprints("{");
printflags(epollevents, ev->events, "EPOLL???");
/* We cannot know what format the program uses, so print u32 and u64
which will cover every value. */
#endif
int
-sys_epoll_ctl(tcp)
-struct tcb *tcp;
+sys_epoll_ctl(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
- tprintf(", %ld, ", tcp->u_arg[2]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[2]);
+ tprints(", ");
if (tcp->u_arg[3] == 0)
- tprintf("NULL");
+ tprints("NULL");
else {
#ifdef HAVE_SYS_EPOLL_H
struct epoll_event ev;
print_epoll_event(&ev);
else
#endif
- tprintf("{...}");
+ tprints("{...}");
}
}
return 0;
}
static void
-epoll_wait_common(tcp)
-struct tcb *tcp;
+epoll_wait_common(struct tcb *tcp)
{
- if (entering(tcp))
- tprintf("%ld, ", tcp->u_arg[0]);
- else {
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ } else {
if (syserror(tcp))
tprintf("%lx", tcp->u_arg[1]);
else if (tcp->u_rval == 0)
- tprintf("{}");
+ tprints("{}");
else {
#ifdef HAVE_SYS_EPOLL_H
struct epoll_event ev, *start, *cur, *end;
int failed = 0;
- tprintf("{");
+ tprints("{");
start = (struct epoll_event *) tcp->u_arg[1];
end = start + tcp->u_rval;
for (cur = start; cur < end; ++cur) {
if (cur > start)
- tprintf(", ");
+ tprints(", ");
if (umove(tcp, (long) cur, &ev) == 0)
print_epoll_event(&ev);
else {
- tprintf("?");
+ tprints("?");
failed = 1;
break;
}
}
- tprintf("}");
+ tprints("}");
if (failed)
tprintf(" %#lx", (long) start);
#else
- tprintf("{...}");
+ tprints("{...}");
#endif
}
- tprintf(", %ld, %ld", tcp->u_arg[2], tcp->u_arg[3]);
+ tprintf(", %d, %d", (int) tcp->u_arg[2], (int) tcp->u_arg[3]);
}
}
int
-sys_epoll_wait(tcp)
-struct tcb *tcp;
+sys_epoll_wait(struct tcb *tcp)
{
epoll_wait_common(tcp);
return 0;
}
int
-sys_epoll_pwait(tcp)
-struct tcb *tcp;
+sys_epoll_pwait(struct tcb *tcp)
{
epoll_wait_common(tcp);
- if (exiting(tcp))
- print_sigset(tcp, tcp->u_arg[4], 0);
- return 0;
-}
-
-int
-sys_io_setup(tcp)
-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("{...}");
- }
+ if (exiting(tcp)) {
+ tprints(", ");
+ /* NB: kernel requires arg[5] == NSIG / 8 */
+ print_sigset_addr_len(tcp, tcp->u_arg[4], tcp->u_arg[5]);
+ tprintf(", %lu", tcp->u_arg[5]);
}
return 0;
}
int
-sys_io_destroy(tcp)
-struct tcb *tcp;
+sys_select(struct tcb *tcp)
{
- if (entering(tcp))
- tprintf("%lu", tcp->u_arg[0]);
- return 0;
-}
-
-int
-sys_io_submit(tcp)
-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;
+ return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
}
int
-sys_io_cancel(tcp)
-struct tcb *tcp;
+sys_pselect6(struct tcb *tcp)
{
+ int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
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);
+ long r;
+ struct {
+ unsigned long ptr;
+ unsigned long len;
+ } data;
+#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
+ if (current_wordsize == 4) {
+ struct {
+ uint32_t ptr;
+ uint32_t len;
+ } data32;
+ r = umove(tcp, tcp->u_arg[5], &data32);
+ data.ptr = data32.ptr;
+ data.len = data32.len;
} else
#endif
- tprintf("{...}, ");
- } else {
- if (tcp->u_rval < 0)
- tprintf("{...}");
+ r = umove(tcp, tcp->u_arg[5], &data);
+ if (r < 0)
+ tprintf(", %#lx", tcp->u_arg[5]);
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("{...}");
+ tprints(", {");
+ /* NB: kernel requires data.len == NSIG / 8 */
+ print_sigset_addr_len(tcp, data.ptr, data.len);
+ tprintf(", %lu}", data.len);
}
}
- return 0;
+ return rc;
}
-int
-sys_io_getevents(struct tcb * tcp)
+static int
+do_eventfd(struct tcb *tcp, int flags_arg)
{
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
+ tprintf("%lu", tcp->u_arg[0]);
+ if (flags_arg >= 0) {
+ tprints(", ");
+ printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
}
-
- print_timespec(tcp, tcp->u_arg[4]);
}
return 0;
}
-#endif /* LINUX */
int
-sys_select(tcp)
-struct tcb *tcp;
+sys_eventfd(struct tcb *tcp)
{
- return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
+ return do_eventfd(tcp, -1);
}
-#ifdef LINUX
int
-sys_pselect6(struct tcb *tcp)
+sys_eventfd2(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;
+ return do_eventfd(tcp, 1);
}
int
-sys_eventfd(tcp)
-struct tcb *tcp;
+sys_perf_event_open(struct tcb *tcp)
{
- if (entering(tcp))
- tprintf("%lu", tcp->u_arg[0]);
+ if (entering(tcp)) {
+ tprintf("%#lx, %d, %d, %d, ",
+ tcp->u_arg[0],
+ (int) tcp->u_arg[1],
+ (int) tcp->u_arg[2],
+ (int) tcp->u_arg[3]);
+ printflags(perf_event_open_flags, tcp->u_arg[4],
+ "PERF_FLAG_???");
+ }
return 0;
}
-#endif
projects / strace / blobdiff