Initial revision

1 files changed, 228 insertions, 0 deletions

diff --git a/io.c b/io.c
new file mode 100644
index 0000000..4e00fe4
--- /dev/null
+++ b/io.c
@@ -0,0 +1,228 @@
+/*
+ * 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>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * 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;
+{
+	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]);
+	}
+	return 0;
+}
+
+int
+sys_write(tcp)
+struct tcb *tcp;
+{
+	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;
+}
+
+int
+sys_readv(tcp)
+struct tcb *tcp;
+{
+	struct iovec *iov;
+	int i, len;
+
+	if (entering(tcp)) {
+		tprintf("%ld, ", tcp->u_arg[0]);
+	} 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(", %u}", iov[i].iov_len);
+			}
+			tprintf("]");
+		}
+		free((char *) iov);
+		tprintf(", %lu", tcp->u_arg[2]);
+	}
+	return 0;
+}
+
+int
+sys_writev(tcp)
+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(", %u}", iov[i].iov_len);
+			}
+			tprintf("]");
+		}
+		free((char *) iov);
+		tprintf(", %lu", tcp->u_arg[2]);
+	}
+	return 0;
+}
+
+#ifdef SVR4
+
+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);
+		tprintf(", %lu, %llu", tcp->u_arg[2],
+				(((unsigned long long) tcp->u_arg[4]) << 32
+				 | tcp->u_arg[3]));
+	}
+	return 0;
+}
+
+int
+sys_pwrite(tcp)
+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[4]) << 32
+				 | tcp->u_arg[3]));
+	}
+	return 0;
+}
+#endif /* SVR4 */
+
+#ifdef LINUX
+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);
+		tprintf(", %lu, %lu", tcp->u_arg[2], tcp->u_arg[3]);
+	}
+	return 0;
+}
+
+int
+sys_pwrite(tcp)
+struct tcb *tcp;
+{
+	if (entering(tcp)) {
+		tprintf("%ld, ", tcp->u_arg[0]);
+		printstr(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+		tprintf(", %lu, %lu", tcp->u_arg[2], tcp->u_arg[3]);
+	}
+	return 0;
+}
+
+#endif /* LINUX */
+
+int
+sys_ioctl(tcp)
+struct tcb *tcp;
+{
+	char *symbol;
+
+	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 {
+		if (ioctl_decode(tcp, tcp->u_arg[1], tcp->u_arg[2]) == 0)
+			tprintf(", %#lx", tcp->u_arg[2]);
+	}
+	return 0;
+}