* 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
* 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/uio.h>
int
-sys_read(tcp)
-struct tcb *tcp;
+sys_read(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[1]);
}
int
-sys_write(tcp)
-struct tcb *tcp;
+sys_write(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
-int
-sys_readv(tcp)
-struct tcb *tcp;
+/*
+ * data_size limits the cumulative size of printed data.
+ * Example: recvmsg returing a short read.
+ */
+void
+tprint_iov_upto(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov, unsigned long data_size)
+{
+#if SUPPORTED_PERSONALITIES > 1
+ union {
+ struct { u_int32_t base; u_int32_t len; } iov32;
+ struct { u_int64_t base; u_int64_t len; } iov64;
+ } iov;
+#define sizeof_iov \
+ (current_wordsize == 4 ? sizeof(iov.iov32) : sizeof(iov.iov64))
+#define iov_iov_base \
+ (current_wordsize == 4 ? (uint64_t) iov.iov32.base : iov.iov64.base)
+#define iov_iov_len \
+ (current_wordsize == 4 ? (uint64_t) iov.iov32.len : iov.iov64.len)
+#else
+ struct iovec iov;
+#define sizeof_iov sizeof(iov)
+#define iov_iov_base iov.iov_base
+#define iov_iov_len iov.iov_len
+#endif
+ unsigned long size, cur, end, abbrev_end;
+ int failed = 0;
+
+ if (!len) {
+ tprints("[]");
+ return;
+ }
+ size = len * sizeof_iov;
+ end = addr + size;
+ if (!verbose(tcp) || size / sizeof_iov != len || end < addr) {
+ tprintf("%#lx", addr);
+ return;
+ }
+ if (abbrev(tcp)) {
+ abbrev_end = addr + max_strlen * sizeof_iov;
+ if (abbrev_end < addr)
+ abbrev_end = end;
+ } else {
+ abbrev_end = end;
+ }
+ tprints("[");
+ for (cur = addr; cur < end; cur += sizeof_iov) {
+ if (cur > addr)
+ tprints(", ");
+ if (cur >= abbrev_end) {
+ tprints("...");
+ break;
+ }
+ if (umoven(tcp, cur, sizeof_iov, &iov) < 0) {
+ tprints("?");
+ failed = 1;
+ break;
+ }
+ tprints("{");
+ if (decode_iov) {
+ unsigned long len = iov_iov_len;
+ if (len > data_size)
+ len = data_size;
+ data_size -= len;
+ printstr(tcp, (long) iov_iov_base, len);
+ } else
+ tprintf("%#lx", (long) iov_iov_base);
+ tprintf(", %lu}", (unsigned long)iov_iov_len);
+ }
+ tprints("]");
+ if (failed)
+ tprintf(" %#lx", addr);
+#undef sizeof_iov
+#undef iov_iov_base
+#undef iov_iov_len
+}
+
+void
+tprint_iov(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov)
{
- struct iovec *iov;
- int i, len;
+ tprint_iov_upto(tcp, len, addr, decode_iov, (unsigned long) -1L);
+}
+int
+sys_readv(struct tcb *tcp)
+{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
} else {
if (syserror(tcp)) {
tprintf("%#lx, %lu",
tcp->u_arg[1], tcp->u_arg[2]);
return 0;
}
- len = tcp->u_arg[2];
- if ((iov = (struct iovec *) malloc(len * sizeof *iov)) == NULL) {
- fprintf(stderr, "No memory");
- return 0;
- }
- if (umoven(tcp, tcp->u_arg[1],
- len * sizeof *iov, (char *) iov) < 0) {
- tprintf("%#lx", tcp->u_arg[1]);
- } else {
- tprintf("[");
- for (i = 0; i < len; i++) {
- if (i)
- tprintf(", ");
- tprintf("{");
- printstr(tcp, (long) iov[i].iov_base,
- iov[i].iov_len);
- tprintf(", %lu}", (unsigned long)iov[i].iov_len);
- }
- tprintf("]");
- }
- free((char *) iov);
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
int
-sys_writev(tcp)
-struct tcb *tcp;
+sys_writev(struct tcb *tcp)
{
- struct iovec *iov;
- int i, len;
-
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- len = tcp->u_arg[2];
- iov = (struct iovec *) malloc(len * sizeof *iov);
- if (iov == NULL) {
- fprintf(stderr, "No memory");
- return 0;
- }
- if (umoven(tcp, tcp->u_arg[1],
- len * sizeof *iov, (char *) iov) < 0) {
- tprintf("%#lx", tcp->u_arg[1]);
- } else {
- tprintf("[");
- for (i = 0; i < len; i++) {
- if (i)
- tprintf(", ");
- tprintf("{");
- printstr(tcp, (long) iov[i].iov_base,
- iov[i].iov_len);
- tprintf(", %lu}", (unsigned long)iov[i].iov_len);
- }
- tprintf("]");
- }
- free((char *) iov);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu", tcp->u_arg[2]);
}
return 0;
}
-#ifdef SVR4
+/* The SH4 ABI does allow long longs in odd-numbered registers, but
+ does not allow them to be split between registers and memory - and
+ there are only four argument registers for normal functions. As a
+ result pread takes an extra padding argument before the offset. This
+ was changed late in the 2.4 series (around 2.4.20). */
+#if defined(SH)
+#define PREAD_OFFSET_ARG 4
+#else
+#define PREAD_OFFSET_ARG 3
+#endif
int
-sys_pread(tcp)
-struct tcb *tcp;
+sys_pread(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
} else {
if (syserror(tcp))
tprintf("%#lx", tcp->u_arg[1]);
else
printstr(tcp, tcp->u_arg[1], tcp->u_rval);
-#if UNIXWARE
- /* off_t is signed int */
- tprintf(", %lu, %ld", tcp->u_arg[2], tcp->u_arg[3]);
-#else
- tprintf(", %lu, %llu", tcp->u_arg[2],
- (((unsigned long long) tcp->u_arg[4]) << 32
- | tcp->u_arg[3]));
-#endif
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
int
-sys_pwrite(tcp)
-struct tcb *tcp;
+sys_pwrite(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
-#if UNIXWARE
- /* off_t is signed int */
- tprintf(", %lu, %ld", tcp->u_arg[2], tcp->u_arg[3]);
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ printllval(tcp, "%llu", PREAD_OFFSET_ARG);
+ }
+ return 0;
+}
+
+static void
+print_llu_from_low_high_val(struct tcb *tcp, int arg)
+{
+#if SIZEOF_LONG == SIZEOF_LONG_LONG
+# if SUPPORTED_PERSONALITIES > 1
+ if (current_wordsize == sizeof(long))
+# endif
+ tprintf("%lu", (unsigned long) tcp->u_arg[arg]);
+# if SUPPORTED_PERSONALITIES > 1
+ else
+ tprintf("%lu",
+ ((unsigned long) tcp->u_arg[arg + 1] << current_wordsize * 8)
+ | (unsigned long) tcp->u_arg[arg]);
+# endif
#else
- tprintf(", %lu, %llu", tcp->u_arg[2],
- (((unsigned long long) tcp->u_arg[4]) << 32
- | tcp->u_arg[3]));
+# ifdef X32
+ if (current_personality == 0)
+ tprintf("%llu", (unsigned long long) tcp->ext_arg[arg]);
+ else
+# endif
+ tprintf("%llu",
+ ((unsigned long long) (unsigned long) tcp->u_arg[arg + 1] << sizeof(long) * 8)
+ | (unsigned long long) (unsigned long) tcp->u_arg[arg]);
#endif
+}
+
+int
+sys_preadv(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ } else {
+ if (syserror(tcp)) {
+ tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]);
+ return 0;
+ }
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ print_llu_from_low_high_val(tcp, 3);
}
return 0;
}
-#endif /* SVR4 */
-#ifdef LINUX
int
-sys_pread(tcp)
-struct tcb *tcp;
+sys_pwritev(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- } else {
- if (syserror(tcp))
- tprintf("%#lx", tcp->u_arg[1]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ print_llu_from_low_high_val(tcp, 3);
+ }
+ return 0;
+}
+
+static void
+print_off_t(struct tcb *tcp, long addr)
+{
+ unsigned long offset;
+
+ if (!addr) {
+ tprints("NULL");
+ return;
+ }
+
+#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
+ if (current_wordsize == 4) {
+ uint32_t off;
+
+ if (umove(tcp, addr, &off) < 0)
+ tprintf("%#lx", addr);
else
- printstr(tcp, tcp->u_arg[1], tcp->u_rval);
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
+ tprintf("[%u]", off);
+ } else
+#endif
+ if (umove(tcp, addr, &offset) < 0)
+ tprintf("%#lx", addr);
+ else
+ tprintf("[%lu]", offset);
+}
+
+int
+sys_sendfile(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ print_off_t(tcp, tcp->u_arg[2]);
+ tprintf(", %lu", tcp->u_arg[3]);
}
return 0;
}
+void
+print_loff_t(struct tcb *tcp, long addr)
+{
+ loff_t offset;
+
+ if (!addr)
+ tprints("NULL");
+ else if (umove(tcp, addr, &offset) < 0)
+ tprintf("%#lx", addr);
+ else
+ tprintf("[%llu]", (unsigned long long int) offset);
+}
+
int
-sys_pwrite(tcp)
-struct tcb *tcp;
+sys_sendfile64(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ print_loff_t(tcp, tcp->u_arg[2]);
+ tprintf(", %lu", tcp->u_arg[3]);
}
return 0;
}
+#include "xlat/splice_flags.h"
+
int
-sys_sendfile(tcp)
-struct tcb *tcp;
+sys_tee(struct tcb *tcp)
{
if (entering(tcp)) {
- off_t offset;
+ /* int fd_in */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* int fd_out */
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ /* size_t len */
+ tprintf("%lu, ", tcp->u_arg[2]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
+ }
+ return 0;
+}
- tprintf("%ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
- if (!tcp->u_arg[2])
- tprintf("NULL");
- else if (umove(tcp, tcp->u_arg[2], &offset) < 0)
- tprintf("%#lx", tcp->u_arg[2]);
- else
- tprintf("[%lu]", offset);
- tprintf(", %lu", tcp->u_arg[3]);
+int
+sys_splice(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ /* int fd_in */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* loff_t *off_in */
+ print_loff_t(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ /* int fd_out */
+ printfd(tcp, tcp->u_arg[2]);
+ tprints(", ");
+ /* loff_t *off_out */
+ print_loff_t(tcp, tcp->u_arg[3]);
+ tprints(", ");
+ /* size_t len */
+ tprintf("%lu, ", tcp->u_arg[4]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
}
return 0;
}
-#endif /* LINUX */
+int
+sys_vmsplice(struct tcb *tcp)
+{
+ if (entering(tcp)) {
+ /* int fd */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* const struct iovec *iov, unsigned long nr_segs */
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
+ }
+ return 0;
+}
int
-sys_ioctl(tcp)
-struct tcb *tcp;
+sys_ioctl(struct tcb *tcp)
{
- char *symbol;
+ const struct_ioctlent *iop;
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- symbol = ioctl_lookup(tcp->u_arg[1]);
- if (symbol)
- tprintf("%s", symbol);
- else
- tprintf("%#lx", tcp->u_arg[1]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ if (!ioctl_decode_command_number(tcp->u_arg[1])) {
+ iop = ioctl_lookup(tcp->u_arg[1]);
+ if (iop) {
+ tprints(iop->symbol);
+ while ((iop = ioctl_next_match(iop)))
+ tprintf(" or %s", iop->symbol);
+ } else {
+ ioctl_print_code(tcp->u_arg[1]);
+ }
+ }
ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
else {
- if (ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]) == 0)
+ int ret = ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ if (!ret)
tprintf(", %#lx", tcp->u_arg[2]);
+ else
+ return ret - 1;
}
return 0;
}
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