perf callchain: Rename unwind__arch_reg_id into libunwind__arch_reg_id

Renaming unwind__arch_reg_id into libunwind__arch_reg_id, so it's clear
it's specific to libunwind.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Jean Pihet <jean.pihet@linaro.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1389098853-14466-11-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 720a4cae6004..79dbfbbeb5ed 100644
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -469,7 +469,7 @@ static int access_reg(unw_addr_space_t __maybe_unused as,
                 return 0;
         }
 
-        id = unwind__arch_reg_id(regnum);
+        id = libunwind__arch_reg_id(regnum);
         if (id < 0)
                 return -EINVAL;
 
diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h
index 356e1d642f9d..18f33b475c46 100644
--- a/tools/perf/util/unwind.h
+++ b/tools/perf/util/unwind.h
@@ -18,7 +18,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg,
                         struct machine *machine,
                         struct thread *thread,
                         struct perf_sample *data, int max_stack);
-int unwind__arch_reg_id(int regnum);
+int libunwind__arch_reg_id(int regnum);
 #else
 static inline int
 unwind__get_entries(unwind_entry_cb_t cb __maybe_unused,