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authorIngo Molnar <mingo@elte.hu>2009-04-01 21:54:19 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-02 00:49:02 +0200
commit8302294f43250dc337108c51882a6007f2b1e2e0 (patch)
tree85acd4440799c46a372df9cad170fa0c21e59096 /arch/ia64/include/asm/ftrace.h
parentMerge branch 'for-linus' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 (diff)
parentring-buffer: do not remove reader page from list on ring buffer free (diff)
downloadlinux-dev-8302294f43250dc337108c51882a6007f2b1e2e0.tar.xz
linux-dev-8302294f43250dc337108c51882a6007f2b1e2e0.zip
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts: include/linux/slub_def.h lib/Kconfig.debug mm/slob.c mm/slub.c
Diffstat (limited to 'arch/ia64/include/asm/ftrace.h')
-rw-r--r--arch/ia64/include/asm/ftrace.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/ftrace.h b/arch/ia64/include/asm/ftrace.h
new file mode 100644
index 000000000000..d20db3c2a656
--- /dev/null
+++ b/arch/ia64/include/asm/ftrace.h
@@ -0,0 +1,28 @@
+#ifndef _ASM_IA64_FTRACE_H
+#define _ASM_IA64_FTRACE_H
+
+#ifdef CONFIG_FUNCTION_TRACER
+#define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */
+
+#ifndef __ASSEMBLY__
+extern void _mcount(unsigned long pfs, unsigned long r1, unsigned long b0, unsigned long r0);
+#define mcount _mcount
+
+#include <asm/kprobes.h>
+/* In IA64, MCOUNT_ADDR is set in link time, so it's not a constant at compile time */
+#define MCOUNT_ADDR (((struct fnptr *)mcount)->ip)
+#define FTRACE_ADDR (((struct fnptr *)ftrace_caller)->ip)
+
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ /* second bundle, insn 2 */
+ return addr - 0x12;
+}
+
+struct dyn_arch_ftrace {
+};
+#endif
+
+#endif /* CONFIG_FUNCTION_TRACER */
+
+#endif /* _ASM_IA64_FTRACE_H */