oprofile 0.9.6
Copy in the rest of the oprofile 0.9.6 tree so we have a source
copy to match the prebuilt binaries that are checked into
external/.
Change-Id: Iaac327571d5d583594a4194973bf256569061048
diff --git a/module/compat.h b/module/compat.h
new file mode 100644
index 0000000..e0c9277
--- /dev/null
+++ b/module/compat.h
@@ -0,0 +1,70 @@
+/**
+ * @file compat.h
+ * This file is intended to be up-to-date with the last linux version and
+ * provide work-arounds for missing features in previous kernel version
+ *
+ * @remark Copyright 2002 OProfile authors
+ * @remark Read the file COPYING
+ *
+ * @author John Levon
+ * @author Philippe Elie
+ */
+
+
+#ifndef COMPAT_H
+#define COMPAT_H
+
+#include <linux/version.h>
+#include <linux/module.h>
+#ifdef HAVE_LINUX_SPINLOCK_HEADER
+/* FIXME do we need this still ? */
+#include <linux/spinlock.h>
+#endif
+
+#define V_BEFORE(a, b, c) (LINUX_VERSION_CODE < KERNEL_VERSION(a, b, c))
+#define V_AT_LEAST(a, b, c) (LINUX_VERSION_CODE >= KERNEL_VERSION(a, b, c))
+
+#if V_BEFORE(2, 4, 0)
+ #include "compat22.h"
+#else
+ #include "compat24.h"
+#endif
+
+#include "op_cache.h"
+
+/* Things that cannot rely on a particular linux version or are needed between
+ * major release */
+
+#ifndef BUG_ON
+#define BUG_ON(p) do { if (p) BUG(); } while (0)
+#endif
+
+#ifndef MODULE_LICENSE
+#define MODULE_LICENSE(x)
+#endif
+
+/* Compiler work-around */
+
+/* branch prediction */
+#ifndef likely
+ #ifdef EXPECT_OK
+ #define likely(a) __builtin_expect((a), 1)
+ #else
+ #define likely(a) (a)
+ #endif
+#endif
+#ifndef unlikely
+ #ifdef EXPECT_OK
+ #define unlikely(a) __builtin_expect((a), 0)
+ #else
+ #define unlikely(a) (a)
+ #endif
+#endif
+
+#ifndef CONFIG_X86_64
+#define VMALLOC_32(sz) vmalloc_32(sz)
+#else /* CONFIG_X86_64 */
+#define VMALLOC_32(sz) vmalloc(sz)
+#endif /* CONFIG_X86_64 */
+
+#endif /* COMPAT_H */