From a992bf836f9c3039a16f4bd068d161c86c6c3e2c Mon Sep 17 00:00:00 2001 From: Yuan Pengfei Date: Tue, 10 Jun 2014 15:18:39 -0700 Subject: gcov: add support for GCC 4.9 This patch handles the gcov-related changes in GCC 4.9: A new counter (time profile) is added. The total number is 9 now. A new profile merge function __gcov_merge_time_profile is added. See gcc/gcov-io.h and libgcc/libgcov-merge.c For the first change, the layout of struct gcov_info is affected. For the second one, a dummy function is added to kernel/gcov/base.c similarly. Signed-off-by: Yuan Pengfei Acked-by: Peter Oberparleiter Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/gcov/base.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'kernel/gcov/base.c') diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c index f45b75b713c..b358a802fd1 100644 --- a/kernel/gcov/base.c +++ b/kernel/gcov/base.c @@ -85,6 +85,12 @@ void __gcov_merge_ior(gcov_type *counters, unsigned int n_counters) } EXPORT_SYMBOL(__gcov_merge_ior); +void __gcov_merge_time_profile(gcov_type *counters, unsigned int n_counters) +{ + /* Unused. */ +} +EXPORT_SYMBOL(__gcov_merge_time_profile); + /** * gcov_enable_events - enable event reporting through gcov_event() * -- cgit v1.2.3-70-g09d2