*/
#include "defs.h"
-#include <fcntl.h>
-#include <sys/file.h>
-#ifdef HAVE_SYS_EPOLL_H
-# include <sys/epoll.h>
-#endif
-
-#include "xlat/fcntlcmds.h"
-#include "xlat/fdflags.h"
-#include "xlat/flockcmds.h"
-#include "xlat/lockfcmds.h"
-#include "xlat/notifyflags.h"
-
-/*
- * Assume that F_SETLK64, F_SETLKW64, and F_GETLK64 are either defined
- * or not defined altogether.
- */
-#if defined(F_SETLK64) && F_SETLK64 + 0 != F_SETLK
-# define USE_PRINTFLOCK64 1
-#else
-# define USE_PRINTFLOCK64 0
-#endif
-
-#if USE_PRINTFLOCK64
-
-# ifndef HAVE_STRUCT_FLOCK64
-struct flock64 {
- short int l_type, l_whence;
- int64_t l_start, l_len;
- int l_pid;
-};
-# endif
-
-static void
-printflock64(struct tcb *tcp, long addr, int getlk)
-{
- struct flock64 fl;
-
- if (umove_or_printaddr(tcp, addr, &fl))
- return;
- tprints("{type=");
- printxval(lockfcmds, fl.l_type, "F_???");
- 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
- tprints("}");
-}
-#endif /* USE_PRINTFLOCK64 */
-
-static void
-printflock(struct tcb *tcp, long addr, int getlk)
-{
- struct flock fl;
-
-#if SUPPORTED_PERSONALITIES > 1
- if (
-# if SIZEOF_OFF_T > SIZEOF_LONG
- current_personality != DEFAULT_PERSONALITY &&
-# endif
- 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_or_printaddr(tcp, addr, &fl32))
- 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 (umove_or_printaddr(tcp, addr, &fl))
- return;
- tprints("{type=");
- printxval(lockfcmds, fl.l_type, "F_???");
- tprints(", whence=");
- printxval(whence_codes, fl.l_whence, "SEEK_???");
-#if SIZEOF_OFF_T > SIZEOF_LONG
- 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("}");
-}
-
-SYS_FUNC(fcntl)
-{
- if (entering(tcp)) {
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- printxval(fcntlcmds, tcp->u_arg[1], "F_???");
- switch (tcp->u_arg[1]) {
- case F_SETFD:
- 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:
- tprints(", ");
- tprint_open_modes(tcp->u_arg[2]);
- break;
- case F_SETLK: case F_SETLKW:
- tprints(", ");
- printflock(tcp, tcp->u_arg[2], 0);
- break;
-#if USE_PRINTFLOCK64
- case F_SETLK64: case F_SETLKW64:
- tprints(", ");
- printflock64(tcp, tcp->u_arg[2], 0);
- break;
-#endif /* USE_PRINTFLOCK64 */
-#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);
- return RVAL_HEX|RVAL_STR;
- case F_GETFL:
- if (syserror(tcp))
- return 0;
- tcp->auxstr = sprint_open_modes(tcp->u_rval);
- return RVAL_HEX|RVAL_STR;
- case F_GETLK:
- tprints(", ");
- printflock(tcp, tcp->u_arg[2], 1);
- break;
-#if USE_PRINTFLOCK64
- case F_GETLK64:
- tprints(", ");
- 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;
- }
- }
- return 0;
-}
-
-#ifdef LOCK_SH
-
-SYS_FUNC(flock)
-{
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- printflags(flockcmds, tcp->u_arg[1], "LOCK_???");
-
- return RVAL_DECODED;
-}
-#endif /* LOCK_SH */
SYS_FUNC(close)
{
return do_dup2(tcp, 2);
}
-#if defined(ALPHA)
-SYS_FUNC(getdtablesize)
-{
- return 0;
-}
-#endif
-
static int
-decode_select(struct tcb *tcp, long *args, enum bitness_t bitness)
+decode_select(struct tcb *tcp, long *args,
+ void (*print_tv_ts) (struct tcb *, const long),
+ const char * (*sprint_tv_ts) (struct tcb *, const long))
{
int i, j;
int nfds, fdsize;
}
free(fds);
tprints(", ");
- printtv_bitness(tcp, args[4], bitness, 0);
+ print_tv_ts(tcp, args[4]);
} else {
static char outstr[1024];
char *outptr;
free(fds);
/* This contains no useful information on SunOS. */
if (args[4]) {
- if (outptr < end_outstr - (10 + TIMEVAL_TEXT_BUFSIZE)) {
- outptr += sprintf(outptr, "%sleft ", sep);
- outptr = sprinttv(outptr, tcp, args[4], bitness, /*special:*/ 0);
+ const char *str = sprint_tv_ts(tcp, args[4]);
+ if (outptr + sizeof("left ") + strlen(sep) + strlen(str) < end_outstr) {
+ outptr += sprintf(outptr, "%sleft %s", sep, str);
}
}
*outptr = '\0';
long_args[i] = oldselect_args[i];
}
#endif
- return decode_select(tcp, long_args, BITNESS_CURRENT);
+ return decode_select(tcp, long_args, print_timeval, sprint_timeval);
#undef oldselect_args
}
#ifdef ALPHA
SYS_FUNC(osf_select)
{
- return decode_select(tcp, tcp->u_arg, BITNESS_32);
+ return decode_select(tcp, tcp->u_arg, print_timeval32, sprint_timeval32);
}
#endif
-#include "xlat/epollctls.h"
-#include "xlat/epollevents.h"
-#include "xlat/epollflags.h"
-
-SYS_FUNC(epoll_create1)
-{
- printflags(epollflags, tcp->u_arg[0], "EPOLL_???");
-
- return RVAL_DECODED;
-}
-
-#ifdef HAVE_SYS_EPOLL_H
-static void
-print_epoll_event(struct epoll_event *ev)
+SYS_FUNC(select)
{
- tprints("{");
- 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);
+ return decode_select(tcp, tcp->u_arg, print_timeval, sprint_timeval);
}
-#endif
-
-SYS_FUNC(epoll_ctl)
-{
- struct epoll_event ev;
-
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
- tprints(", ");
- printfd(tcp, tcp->u_arg[2]);
- tprints(", ");
-#ifdef HAVE_SYS_EPOLL_H
- if (EPOLL_CTL_DEL == tcp->u_arg[1])
- printaddr(tcp->u_arg[3]);
- else if (!umove_or_printaddr(tcp, tcp->u_arg[3], &ev))
- print_epoll_event(&ev);
-#else
- printaddr(tcp->u_arg[3]);
-#endif
- return RVAL_DECODED;
-}
+#include "kernel_types.h"
-static void
-print_epoll_event_array(struct tcb *tcp, const long addr, const long len)
+static int
+umove_kulong_array_or_printaddr(struct tcb *tcp, const long addr,
+ kernel_ulong_t *ptr, size_t n)
{
-#ifdef HAVE_SYS_EPOLL_H
- struct epoll_event ev, *start, *cur, *end;
-
- if (!len) {
- tprints("[]");
- return;
- }
-
- if (umove_or_printaddr(tcp, addr, &ev))
- return;
-
- tprints("[");
- print_epoll_event(&ev);
-
- start = (struct epoll_event *) addr;
- end = start + len;
- for (cur = start + 1; cur < end; ++cur) {
- tprints(", ");
- if (umove_or_printaddr(tcp, (long) cur, &ev))
- break;
- print_epoll_event(&ev);
- }
- tprints("]");
+#if defined X86_64 || defined X32
+ if (current_personality == 1) {
#else
- printaddr(addr);
+ if (current_wordsize < sizeof(*ptr)) {
#endif
-}
-
-static void
-epoll_wait_common(struct tcb *tcp)
-{
- if (entering(tcp)) {
- printfd(tcp, tcp->u_arg[0]);
- tprints(", ");
- } else {
- print_epoll_event_array(tcp, tcp->u_arg[1], tcp->u_rval);
- tprintf(", %d, %d", (int) tcp->u_arg[2], (int) tcp->u_arg[3]);
- }
-}
-
-SYS_FUNC(epoll_wait)
-{
- epoll_wait_common(tcp);
- return 0;
-}
+ uint32_t ptr32[n];
+ int r = umove_or_printaddr(tcp, addr, &ptr32);
+ if (!r) {
+ size_t i;
-SYS_FUNC(epoll_pwait)
-{
- epoll_wait_common(tcp);
- 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]);
+ for (i = 0; i < n; ++i)
+ ptr[i] = (kernel_ulong_t) ptr32[i];
+ }
+ return r;
}
- return 0;
-}
-
-SYS_FUNC(select)
-{
- return decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
+ return umoven_or_printaddr(tcp, addr, n * sizeof(*ptr), ptr);
}
SYS_FUNC(pselect6)
{
- int rc = decode_select(tcp, tcp->u_arg, BITNESS_CURRENT);
+ int rc = decode_select(tcp, tcp->u_arg, print_timespec, sprint_timespec);
if (entering(tcp)) {
- long r;
- struct {
- unsigned long ptr;
- unsigned long len;
- } data;
+ kernel_ulong_t data[2];
tprints(", ");
-#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- if (current_wordsize == 4) {
- struct {
- uint32_t ptr;
- uint32_t len;
- } data32;
- r = umove_or_printaddr(tcp, tcp->u_arg[5], &data32);
- data.ptr = data32.ptr;
- data.len = data32.len;
- } else
-#endif
- r = umove_or_printaddr(tcp, tcp->u_arg[5], &data);
- if (r == 0) {
+ if (!umove_kulong_array_or_printaddr(tcp, tcp->u_arg[5],
+ data, ARRAY_SIZE(data))) {
tprints("{");
- /* NB: kernel requires data.len == NSIG / 8 */
- print_sigset_addr_len(tcp, data.ptr, data.len);
- tprintf(", %lu}", data.len);
+ /* NB: kernel requires data[1] == NSIG / 8 */
+ print_sigset_addr_len(tcp, (unsigned long) data[0],
+ (unsigned long) data[1]);
+ tprintf(", %llu}", (unsigned long long) data[1]);
}
}
- return rc;
-}
-static int
-do_eventfd(struct tcb *tcp, int flags_arg)
-{
- tprintf("%lu", tcp->u_arg[0]);
- if (flags_arg >= 0) {
- tprints(", ");
- printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
- }
-
- return RVAL_DECODED;
-}
-
-SYS_FUNC(eventfd)
-{
- return do_eventfd(tcp, -1);
-}
-
-SYS_FUNC(eventfd2)
-{
- return do_eventfd(tcp, 1);
+ return rc;
}