* 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>
-#if HAVE_SYS_UIO_H
#include <sys/uio.h>
-#endif
-
-#ifdef HAVE_LONG_LONG_OFF_T
-/*
- * Hacks for systems that have a long long off_t
- */
-#define sys_pread64 sys_pread
-#define sys_pwrite64 sys_pwrite
-#endif
-
-int
-sys_read(tcp)
-struct tcb *tcp;
+SYS_FUNC(read)
{
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]);
+ printaddr(tcp->u_arg[1]);
else
printstr(tcp, tcp->u_arg[1], tcp->u_rval);
tprintf(", %lu", tcp->u_arg[2]);
return 0;
}
-int
-sys_write(tcp)
-struct tcb *tcp;
+SYS_FUNC(write)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %lu", tcp->u_arg[2]);
- }
- return 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 RVAL_DECODED;
}
-#if HAVE_SYS_UIO_H
+/*
+ * data_size limits the cumulative size of printed data.
+ * Example: recvmsg returing a short read.
+ */
void
-tprint_iov(tcp, len, addr)
-struct tcb * tcp;
-int len;
-long addr;
+tprint_iov_upto(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov, unsigned long data_size)
{
- struct iovec *iov;
- int i;
-
+#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;
if (!len) {
- tprintf("[]");
+ tprints("[]");
return;
}
-
- if ((iov = (struct iovec *) malloc(len * sizeof *iov)) == NULL) {
- fprintf(stderr, "No memory");
+ size = len * sizeof_iov;
+ end = addr + size;
+ if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
+ !addr || size / sizeof_iov != len || end < addr) {
+ printaddr(addr);
return;
}
- if (umoven(tcp, addr,
- len * sizeof *iov, (char *) iov) < 0) {
- tprintf("%#lx", tcp->u_arg[1]);
+ if (abbrev(tcp)) {
+ abbrev_end = addr + max_strlen * sizeof_iov;
+ if (abbrev_end < addr)
+ abbrev_end = end;
} 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);
+ abbrev_end = end;
+ }
+ tprints("[");
+ for (cur = addr; cur < end; cur += sizeof_iov) {
+ if (cur > addr)
+ tprints(", ");
+ if (cur >= abbrev_end) {
+ tprints("...");
+ break;
}
- tprintf("]");
+ if (umoven_or_printaddr(tcp, cur, sizeof_iov, &iov))
+ 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
+ printaddr((long) iov_iov_base);
+ tprintf(", %lu}", (unsigned long)iov_iov_len);
}
- free((char *) iov);
+ tprints("]");
+#undef sizeof_iov
+#undef iov_iov_base
+#undef iov_iov_len
}
-int
-sys_readv(tcp)
-struct tcb *tcp;
+void
+tprint_iov(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov)
+{
+ tprint_iov_upto(tcp, len, addr, decode_iov, (unsigned long) -1L);
+}
+
+SYS_FUNC(readv)
{
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;
- }
- tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
+ 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_FUNC(writev)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
- tprintf(", %lu", tcp->u_arg[2]);
- }
- return 0;
+ 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 RVAL_DECODED;
}
-#endif
-#if defined(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_FUNC(pread)
{
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]);
+ printaddr(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
- | (unsigned) 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_FUNC(pwrite)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- 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]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ printllval(tcp, "%llu", PREAD_OFFSET_ARG);
+
+ return RVAL_DECODED;
+}
+
+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
- | (unsigned) 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
- }
- return 0;
}
-#endif /* SVR4 */
-
-#ifdef FREEBSD
-#include <sys/types.h>
-#include <sys/socket.h>
-int
-sys_sendfile(tcp)
-struct tcb *tcp;
+SYS_FUNC(preadv)
{
if (entering(tcp)) {
- tprintf("%ld, %ld, %llu, %lu", tcp->u_arg[0], tcp->u_arg[1],
- (((unsigned long long) tcp->u_arg[3]) << 32 |
- (unsigned) tcp->u_arg[2]), tcp->u_arg[4]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
} else {
- off_t offset;
-
- if (!tcp->u_arg[5])
- tprintf(", NULL");
- else {
- struct sf_hdtr hdtr;
-
- if (umove(tcp, tcp->u_arg[5], &hdtr) < 0)
- tprintf(", %#lx", tcp->u_arg[5]);
- else {
- tprintf(", { ");
- tprint_iov(tcp, hdtr.hdr_cnt, hdtr.headers);
- tprintf(", %u, ", hdtr.hdr_cnt);
- tprint_iov(tcp, hdtr.trl_cnt, hdtr.trailers);
- tprintf(", %u }", hdtr.hdr_cnt);
- }
- }
- if (!tcp->u_arg[6])
- tprintf(", NULL");
- else if (umove(tcp, tcp->u_arg[6], &offset) < 0)
- tprintf(", %#lx", tcp->u_arg[6]);
- else
- tprintf(", [%llu]", offset);
- tprintf(", %lu", tcp->u_arg[7]);
+ 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 /* FREEBSD */
-#ifdef LINUX
-int
-sys_pread(tcp)
-struct tcb *tcp;
+SYS_FUNC(pwritev)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- } else {
- if (syserror(tcp))
- tprintf("%#lx", tcp->u_arg[1]);
- else
- printstr(tcp, tcp->u_arg[1], tcp->u_rval);
- ALIGN64 (tcp, 3); /* PowerPC alignment restriction */
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
- }
- return 0;
+ 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 RVAL_DECODED;
}
-int
-sys_pwrite(tcp)
-struct tcb *tcp;
+static void
+print_off_t(struct tcb *tcp, long addr)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- ALIGN64 (tcp, 3); /* PowerPC alignment restriction */
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
- }
- return 0;
+ if (current_wordsize == sizeof(int))
+ printnum_int(tcp, addr, "%u");
+ else
+ printnum_long(tcp, addr, "%lu");
}
-int
-sys_sendfile(tcp)
-struct tcb *tcp;
+SYS_FUNC(sendfile)
{
- if (entering(tcp)) {
- off_t offset;
+ 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]);
- 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]);
- }
- return 0;
+ return RVAL_DECODED;
}
-int
-sys_sendfile64(tcp)
-struct tcb *tcp;
+SYS_FUNC(sendfile64)
{
- if (entering(tcp)) {
- loff_t offset;
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
+ printnum_int64(tcp, tcp->u_arg[2], "%" PRIu64);
+ tprintf(", %lu", tcp->u_arg[3]);
- 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("[%llu]", (unsigned long long int) offset);
- tprintf(", %lu", tcp->u_arg[3]);
- }
- return 0;
+ return RVAL_DECODED;
}
-#endif /* LINUX */
+#include "xlat/splice_flags.h"
-#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
-int
-sys_pread64(tcp)
-struct tcb *tcp;
+SYS_FUNC(tee)
{
- if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- } else {
- ALIGN64 (tcp, 3);
- if (syserror(tcp))
- tprintf("%#lx", tcp->u_arg[1]);
- else
- printstr(tcp, tcp->u_arg[1], tcp->u_rval);
- tprintf(", %lu, %#llx", tcp->u_arg[2],
- LONG_LONG(tcp->u_arg[3], tcp->u_arg[4]));
- }
- return 0;
+ /* 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 RVAL_DECODED;
}
-int
-sys_pwrite64(tcp)
-struct tcb *tcp;
+SYS_FUNC(splice)
{
- if (entering(tcp)) {
- ALIGN64 (tcp, 3);
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- tprintf(", %lu, %#llx", tcp->u_arg[2],
- LONG_LONG(tcp->u_arg[3], tcp->u_arg[4]));
- }
- return 0;
+ /* int fd_in */
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ /* loff_t *off_in */
+ printnum_int64(tcp, tcp->u_arg[1], "%" PRIu64);
+ tprints(", ");
+ /* int fd_out */
+ printfd(tcp, tcp->u_arg[2]);
+ tprints(", ");
+ /* loff_t *off_out */
+ printnum_int64(tcp, tcp->u_arg[3], "%" PRIu64);
+ tprints(", ");
+ /* size_t len */
+ tprintf("%lu, ", tcp->u_arg[4]);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[5], "SPLICE_F_???");
+
+ return RVAL_DECODED;
}
-#endif
-int
-sys_ioctl(tcp)
-struct tcb *tcp;
+SYS_FUNC(vmsplice)
{
- char *symbol;
+ /* 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_???");
- 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]);
- ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]);
- }
- else {
- int ret;
- if (!(ret = ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2])))
- tprintf(", %#lx", tcp->u_arg[2]);
- else
- return ret - 1;
- }
- return 0;
+ return RVAL_DECODED;
}
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