* 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
+# include <sys/uio.h>
#endif
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]);
}
}
#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;
-unsigned long len;
-unsigned long addr;
+tprint_iov_upto(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov, unsigned long data_size)
{
-#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
+#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 \
- (personality_wordsize[current_personality] == 4 \
- ? sizeof(iov.iov32) : sizeof(iov.iov64))
+ (current_wordsize == 4 ? sizeof(iov.iov32) : sizeof(iov.iov64))
#define iov_iov_base \
- (personality_wordsize[current_personality] == 4 \
- ? (u_int64_t) iov.iov32.base : iov.iov64.base)
+ (current_wordsize == 4 ? (uint64_t) iov.iov32.base : iov.iov64.base)
#define iov_iov_len \
- (personality_wordsize[current_personality] == 4 \
- ? (u_int64_t) iov.iov32.len : iov.iov64.len)
+ (current_wordsize == 4 ? (uint64_t) iov.iov32.len : iov.iov64.len)
#else
struct iovec iov;
#define sizeof_iov sizeof(iov)
int failed = 0;
if (!len) {
- tprintf("[]");
+ tprints("[]");
return;
}
size = len * sizeof_iov;
} else {
abbrev_end = end;
}
- tprintf("[");
+ tprints("[");
for (cur = addr; cur < end; cur += sizeof_iov) {
if (cur > addr)
- tprintf(", ");
+ tprints(", ");
if (cur >= abbrev_end) {
- tprintf("...");
+ tprints("...");
break;
}
if (umoven(tcp, cur, sizeof_iov, (char *) &iov) < 0) {
- tprintf("?");
+ tprints("?");
failed = 1;
break;
}
- tprintf("{");
- printstr(tcp, (long) iov_iov_base, iov_iov_len);
+ 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);
}
- tprintf("]");
+ tprints("]");
if (failed)
tprintf(" %#lx", addr);
#undef sizeof_iov
#undef iov_iov_len
}
+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);
+}
+
int
-sys_readv(tcp)
-struct tcb *tcp;
+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;
}
- 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_writev(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- tprint_iov(tcp, tcp->u_arg[2], 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]);
}
return 0;
}
#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_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],
- LONG_LONG(tcp->u_arg[3], tcp->u_arg[4]));
-#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]);
-#else
- tprintf(", %lu, %llu", tcp->u_arg[2],
- LONG_LONG(tcp->u_arg[3], tcp->u_arg[4]));
-#endif
+ tprintf(", %lu, ", tcp->u_arg[2]);
+ printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
-#endif /* SVR4 */
-
-#ifdef FREEBSD
-#include <sys/types.h>
-#include <sys/socket.h>
+#if HAVE_SYS_UIO_H
int
-sys_sendfile(tcp)
-struct tcb *tcp;
+sys_preadv(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, %ld, %llu, %lu", tcp->u_arg[0], tcp->u_arg[1],
- LONG_LONG(tcp->u_arg[2], tcp->u_arg[3]),
- 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 (syserror(tcp)) {
+ tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]);
+ return 0;
}
- 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]);
- }
- return 0;
-}
-#endif /* FREEBSD */
-
-#ifdef LINUX
-
-/* 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;
-{
- 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);
+ tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
tprintf(", %lu, ", tcp->u_arg[2]);
printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
}
int
-sys_pwrite(tcp)
-struct tcb *tcp;
+sys_pwritev(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ 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]);
printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
+#endif /* HAVE_SYS_UIO_H */
int
-sys_sendfile(tcp)
-struct tcb *tcp;
+sys_sendfile(struct tcb *tcp)
{
if (entering(tcp)) {
off_t offset;
- tprintf("%ld, %ld, ", tcp->u_arg[0], tcp->u_arg[1]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ printfd(tcp, tcp->u_arg[1]);
+ tprints(", ");
if (!tcp->u_arg[2])
- tprintf("NULL");
+ tprints("NULL");
+//FIXME: obviously bogus.
+//Probably should use explicit long.
+//Arches with long long offset param should use
+//sys_sendfile64, not this fn.
else if (umove(tcp, tcp->u_arg[2], &offset) < 0)
tprintf("%#lx", tcp->u_arg[2]);
else
+#ifdef HAVE_LONG_LONG_OFF_T
+ tprintf("[%llu]", offset);
+#else
tprintf("[%lu]", offset);
+#endif
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_sendfile64(tcp)
-struct tcb *tcp;
+sys_sendfile64(struct tcb *tcp)
{
if (entering(tcp)) {
- loff_t offset;
-
- 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);
+ 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;
}
-#endif /* LINUX */
+static const struct xlat splice_flags[] = {
+#ifdef SPLICE_F_MOVE
+ { SPLICE_F_MOVE, "SPLICE_F_MOVE" },
+#endif
+#ifdef SPLICE_F_NONBLOCK
+ { SPLICE_F_NONBLOCK, "SPLICE_F_NONBLOCK" },
+#endif
+#ifdef SPLICE_F_MORE
+ { SPLICE_F_MORE, "SPLICE_F_MORE" },
+#endif
+#ifdef SPLICE_F_GIFT
+ { SPLICE_F_GIFT, "SPLICE_F_GIFT" },
+#endif
+ { 0, NULL },
+};
-#if _LFS64_LARGEFILE || HAVE_LONG_LONG_OFF_T
int
-sys_pread64(tcp)
-struct tcb *tcp;
+sys_tee(struct tcb *tcp)
{
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);
- tprintf(", %lu, ", tcp->u_arg[2]);
- printllval(tcp, "%#llx", 3);
+ /* 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;
}
int
-sys_pwrite64(tcp)
-struct tcb *tcp;
+sys_splice(struct tcb *tcp)
{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+ /* 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;
+}
+
+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]);
- printllval(tcp, "%#llx", 3);
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
}
return 0;
}
-#endif
int
-sys_ioctl(tcp)
-struct tcb *tcp;
+sys_ioctl(struct tcb *tcp)
{
const struct ioctlent *iop;
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
iop = ioctl_lookup(tcp->u_arg[1]);
if (iop) {
- tprintf("%s", iop->symbol);
+ tprints(iop->symbol);
while ((iop = ioctl_next_match(iop)))
tprintf(" or %s", iop->symbol);
} else
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])))
+ 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;