patch-2.1.44 linux/include/asm-mips/watch.h

• Lines: 39
• Date: Thu Jun 26 12:33:40 1997
• Orig file: v2.1.43/linux/include/asm-mips/watch.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.43/linux/include/asm-mips/watch.h linux/include/asm-mips/watch.h
@@ -0,0 +1,38 @@
+/*
+ * Functions to use the watch register debugging functionality.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996 by Ralf Baechle
+ */
+#ifndef __ASM_WATCH_H
+#define __ASM_WATCH_H
+
+#include <linux/linkage.h>
+
+/*
+ * Types of reference for watch_set()
+ */
+enum wref_type {
+	wr_save = 1,
+	wr_load = 2
+};
+
+extern asmlinkage unsigned int watch_available;
+extern asmlinkage __watch_set(unsigned long addr, enum wref_type ref);
+extern asmlinkage __watch_clear(void);
+extern asmlinkage __watch_reenable(void);
+
+#define watch_set(addr, ref)					\
+	if (watch_available)					\
+		__watch_set(addr, ref)
+#define watch_clear()						\
+	if (watch_available)					\
+		__watch_clear()
+#define watch_reenable()					\
+	if (watch_available)					\
+		__watch_reenable()
+
+#endif __ASM_WATCH_H