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authorTony Lu <zlu@tilera.com>2013-08-09 13:26:09 -0400
committerChris Metcalf <cmetcalf@tilera.com>2013-08-30 10:20:13 -0400
commita61fd5e3662d576998d72f80376f23b6ef083d6e (patch)
tree396778bb72c002fb3cca77c9430ec3fb327daa1e /arch/tile/include
parent9ae09838470a68edf0245cd60c623df2d5993a8f (diff)
downloadblackbird-op-linux-a61fd5e3662d576998d72f80376f23b6ef083d6e.tar.gz
blackbird-op-linux-a61fd5e3662d576998d72f80376f23b6ef083d6e.zip
tile: support ftrace on tilegx
This commit adds support for static ftrace, graph function support, and dynamic tracer support. Signed-off-by: Tony Lu <zlu@tilera.com> Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/include')
-rw-r--r--arch/tile/include/asm/ftrace.h22
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/tile/include/asm/ftrace.h b/arch/tile/include/asm/ftrace.h
index 461459b06d98..13a9bb81a8ab 100644
--- a/arch/tile/include/asm/ftrace.h
+++ b/arch/tile/include/asm/ftrace.h
@@ -15,6 +15,26 @@
#ifndef _ASM_TILE_FTRACE_H
#define _ASM_TILE_FTRACE_H
-/* empty */
+#ifdef CONFIG_FUNCTION_TRACER
+
+#define MCOUNT_ADDR ((unsigned long)(__mcount))
+#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */
+
+#ifndef __ASSEMBLY__
+extern void __mcount(void);
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ return addr;
+}
+
+struct dyn_arch_ftrace {
+};
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* CONFIG_FUNCTION_TRACER */
#endif /* _ASM_TILE_FTRACE_H */
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