2007-07-02 Martin Hunt <hunt@redhat.com>

	* systemtap.context/*: New context tests.

1 files changed, 77 insertions, 0 deletions

diff --git a/testsuite/systemtap.context/systemtap_test_module2.c b/testsuite/systemtap.context/systemtap_test_module2.c
new file mode 100644
index 00000000..35a28efb
--- /dev/null
+++ b/testsuite/systemtap.context/systemtap_test_module2.c
@@ -0,0 +1,77 @@
+/* -*- linux-c -*- 
+ * Systemtap Test Module 2
+ * Copyright (C) 2007 Red Hat Inc.
+ *
+ * This file is part of systemtap, and is free software.  You can
+ * redistribute it and/or modify it under the terms of the GNU General
+ * Public License (GPL); either version 2, or (at your option) any
+ * later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/compiler.h>
+
+/* The purpose of this module is to provide a bunch of functions that */
+/* do nothing important, and then call them in different contexts. */
+/* We use a /proc file to trigger function calls from user context. */
+/* Then systemtap scripts set probes on the functions and run tests */
+/* to see if the expected output is received. */
+
+/** Here are all the functions we will probe **/
+
+/* some nested functions to test backtraces */
+int noinline yyy_func3 (int foo) {
+        return foo + 1;
+}
+int noinline yyy_func2 (int foo) {
+        foo = yyy_func3(foo);
+        return foo + 1;
+}
+
+int noinline yyy_func1 (int foo) {
+	foo = yyy_func2(foo);
+        return foo + 1;
+}
+EXPORT_SYMBOL(yyy_func1);
+
+/* 1. int argument testing */
+int noinline yyy_int(int a, int b, int c)
+{
+	return a+b+c;
+}
+/* 2. uint argument testing */
+unsigned noinline yyy_uint(unsigned a, unsigned b, unsigned c)
+{
+	return a+b+c;
+}
+/* 3. long argument testing */
+long noinline yyy_long(long a, long b, long c)
+{
+	return a+b+c;
+}
+/* 4. int64_t argument testing */
+int noinline yyy_int64(int64_t a, int64_t b, int64_t c)
+{
+	return a+b+c;
+}
+/* 5. char argument testing */
+char noinline yyy_char(char a, char b, char c)
+{
+	return 'Q';
+}
+/* 5. string argument testing */
+char * noinline yyy_str(char *a, char *b, char *c)
+{
+	return "XYZZY";
+}
+
+EXPORT_SYMBOL(yyy_int);
+EXPORT_SYMBOL(yyy_uint);
+EXPORT_SYMBOL(yyy_long);
+EXPORT_SYMBOL(yyy_int64);
+EXPORT_SYMBOL(yyy_char);
+EXPORT_SYMBOL(yyy_str);
+
+MODULE_DESCRIPTION("systemtap backtrace test module2");
+MODULE_LICENSE("GPL");