* 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
#include "defs.h"
#include <fcntl.h>
+#if HAVE_SYS_UIO_H
#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]);
}
return 0;
}
-int
-sys_readv(tcp)
-struct tcb *tcp;
+#if HAVE_SYS_UIO_H
+void
+tprint_iov(struct tcb *tcp, unsigned long len, unsigned long addr, int decode_iov)
{
- struct iovec *iov;
- int i, len;
+#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))
+#define iov_iov_base \
+ (personality_wordsize[current_personality] == 4 \
+ ? (u_int64_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)
+#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, (char *) &iov) < 0) {
+ tprints("?");
+ failed = 1;
+ break;
+ }
+ tprints("{");
+ if (decode_iov)
+ printstr(tcp, (long) iov_iov_base, iov_iov_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
+}
+
+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;
}
+#endif
+
-#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]);
-#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;
}
-#endif /* SVR4 */
-#ifdef LINUX
+#if HAVE_SYS_UIO_H
int
-sys_pread(tcp)
-struct tcb *tcp;
+sys_preadv(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);
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
+ 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]);
+ printllval(tcp, "%llu", PREAD_OFFSET_ARG);
}
return 0;
}
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]);
- tprintf(", %lu, %llu", tcp->u_arg[2],
- *(unsigned long long *)&tcp->u_arg[3]);
+ 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");
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;
}
-#endif /* LINUX */
+static 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_ioctl(tcp)
-struct tcb *tcp;
+sys_sendfile64(struct tcb *tcp)
{
- char *symbol;
+ if (entering(tcp)) {
+ 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;
+}
+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 },
+};
+
+int
+sys_tee(struct tcb *tcp)
+{
if (entering(tcp)) {
- tprintf("%ld, ", tcp->u_arg[0]);
- symbol = ioctl_lookup(tcp->u_arg[1]);
- if (symbol)
- tprintf("%s", symbol);
- else
+ /* 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_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;
+}
+
+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);
+ tprints(", ");
+ /* unsigned int flags */
+ printflags(splice_flags, tcp->u_arg[3], "SPLICE_F_???");
+ }
+ return 0;
+}
+
+int
+sys_ioctl(struct tcb *tcp)
+{
+ const struct ioctlent *iop;
+
+ if (entering(tcp)) {
+ printfd(tcp, tcp->u_arg[0]);
+ tprints(", ");
+ iop = ioctl_lookup(tcp->u_arg[1]);
+ if (iop) {
+ tprints(iop->symbol);
+ while ((iop = ioctl_next_match(iop)))
+ tprintf(" or %s", iop->symbol);
+ } else
tprintf("%#lx", 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;
}