From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 sys/memdbg/memlog.c | 175 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 175 insertions(+)
 create mode 100644 sys/memdbg/memlog.c

(limited to 'sys/memdbg/memlog.c')

diff --git a/sys/memdbg/memlog.c b/sys/memdbg/memlog.c
new file mode 100644
index 00000000..c8e84281
--- /dev/null
+++ b/sys/memdbg/memlog.c
@@ -0,0 +1,175 @@
+#include <stdio.h>
+
+/* MEMLOG -- SPP callable routines for logging MEMIO debug messages and
+ * user application messages in sequence to the mem.log file.
+ *
+ *		 memlog (message)
+ *		memlog1 (message, arg1)
+ *		memlog2 (message, arg1, arg2)
+ *		memlogs (message, strarg)
+ *		 memlev (loglevel)
+ *
+ * Memlog logs a simple message string.  Memlog[12] allow one or two integer
+ * arguments.  Memlogs allows one string argument.
+ */
+
+#define	FNAME	"mem.log"
+#define	XCHAR	short
+
+static	FILE *fp = NULL;
+static	int loglevel = 3;
+static 	int number = 0;
+
+#define	LOG_MALLOC	0001
+#define	LOG_SALLOC	0002
+
+static void memput();
+
+
+/* MEMLOG -- User routine to log a message in sequence to the memio debug
+ * log file.
+ */
+memlog_ (message)
+XCHAR	*message;
+{
+	register XCHAR *ip;
+	register char *op;
+	char	p_message[1024];
+
+	for (ip=message, op=p_message;  *op++ = *ip++;  )
+	    ;
+	memput (p_message);
+}
+
+
+/* MEMLEV -- Set the logging level.
+ */
+memlev_ (level)
+int	*level;
+{
+	loglevel = *level;
+}
+
+
+/* MEMLOG1 -- User routine to log a message in sequence to the memio debug
+ * log file.
+ */
+memlo1_ (format, arg1)
+XCHAR	*format;
+int	*arg1;
+{
+	register XCHAR *ip;
+	register char *op;
+	char	p_format[1024];
+	char	message[1024];
+
+	/* Output user message. */
+	for (ip=format, op=p_format;  *op++ = *ip++;  )
+	    ;
+	sprintf (message, p_format, *arg1);
+	memput (message);
+}
+
+
+/* MEMLOG2 -- User routine to log a message in sequence to the memio debug
+ * log file.
+ */
+memlo2_ (format, arg1, arg2)
+XCHAR	*format;
+int	*arg1;
+int	*arg2;
+{
+	register XCHAR *ip;
+	register char *op;
+	char	p_format[1024];
+	char	message[1024];
+
+	/* Output user message. */
+	for (ip=format, op=p_format;  *op++ = *ip++;  )
+	    ;
+	sprintf (message, p_format, *arg1, *arg2);
+	memput (message);
+}
+
+
+/* MEMLOGS -- User routine to log a message in sequence to the memio debug
+ * log file.
+ */
+memlos_ (format, strarg)
+XCHAR	*format;
+XCHAR	*strarg;
+{
+	register XCHAR *ip;
+	register char *op;
+	char	p_format[1024];
+	char	p_strarg[1024];
+	char	message[1024];
+
+	/* Output user message. */
+	for (ip=format, op=p_format;  *op++ = *ip++;  )
+	    ;
+	for (ip=strarg, op=p_strarg;  *op++ = *ip++;  )
+	    ;
+	sprintf (message, p_format, p_strarg);
+	memput (message);
+}
+
+
+/* MEMPUT -- Log a message in sequence to the memio debug log file.
+ */
+static void
+memput (message)
+char	*message;
+{
+	/* Open logfile. */
+	if (fp == NULL) {
+	    unlink (FNAME);
+	    if ((fp = fopen (FNAME, "a")) == NULL)
+		return;
+	}
+
+	/* Output sequence number. */
+	fprintf (fp, "%10s  %08d %8s  - -  ",
+	    "------", number++, "------");
+
+	/* Output message. */
+	fprintf (fp, message);
+	fprintf (fp, "\n");
+
+	fflush (fp);
+}
+
+
+/* ZMEMLG -- Used internally by the MEMIO routines.
+ */
+zmemlg_ (addr, retaddr, action, class, format, arg1, arg2)
+int	*addr, *retaddr;
+int	*action, *class;
+XCHAR	*format;
+int	*arg1, *arg2;
+{
+	register XCHAR *ip;
+	register char *op;
+	char	p_format[1024];
+	char	s_action[2];
+
+	if (!(loglevel & *class))
+	    return;
+
+	for (ip=format, op=p_format;  *op++ = *ip++;  )
+	    ;
+	s_action[0] = *action;
+	s_action[1] = '\0';
+
+	if (fp == NULL) {
+	    unlink (FNAME);
+	    if ((fp = fopen (FNAME, "a")) == NULL)
+		return;
+	}
+
+	fprintf (fp, "%10x  %08d %8x  %s %d  ",
+	    *addr, number++, *retaddr, s_action, *class);
+	fprintf (fp, p_format, *arg1, *arg2);
+	fprintf (fp, "\n");
+	fflush (fp);
+}
-- 
cgit