UPSTREAM: gcov: clang: move common GCC code into gcc_base.c
Patch series "gcov: add Clang support", v4.
This patch (of 3):
base.c contains a few callbacks specific to GCC's gcov implementation.
Move these into their own module in preparation for Clang support.
Link: http://lkml.kernel.org/r/20190318025411.98014-2-trong@android.com
Signed-off-by: Greg Hackmann <ghackmann@android.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Tri Vo <trong@android.com>
Tested-by: Trilok Soni <tsoni@quicinc.com>
Tested-by: Prasad Sodagudi <psodagud@quicinc.com>
Tested-by: Tri Vo <trong@android.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: Petri Gynther <pgynther@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 826eba0d77bc74c4d1c611374b76abfe251e8538)
Bug: 132997968
Test: defconfig + CONFIG_GCOV_KERNEL records coverage
Change-Id: Ice0533106d634b22aeee49b6f542917f45c681f0
diff --git a/kernel/gcov/gcov.h b/kernel/gcov/gcov.h
index 92c8e22..fbec3b8 100644
--- a/kernel/gcov/gcov.h
+++ b/kernel/gcov/gcov.h
@@ -82,4 +82,7 @@
};
extern const struct gcov_link gcov_link[];
+extern int gcov_events_enabled;
+extern struct mutex gcov_lock;
+
#endif /* GCOV_H */