Messages in this thread Patch in this message | | | From | "Yuan Pengfei" <> | Subject | [PATCH v2] gcov: add support for GCC 4.9 | Date | Tue, 13 May 2014 08:31:36 +0800 |
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From: Yuan Pengfei <coolypf@qq.com>
This patch handles the gcov-related changes in GCC 4.9: A new counter (time profile) is added. See http://gcc.gnu.org/gcc-4.9/changes.html Signed-off-by: Yuan Pengfei <coolypf@qq.com> --- kernel/gcov/base.c | 6 ++++++ kernel/gcov/gcc_4_7.c | 5 +++++ 2 files changed, 11 insertions(+)
diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c index f45b75b..b358a80 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() * diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c index 7465944..7f74b59 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -18,7 +18,12 @@ #include <linux/vmalloc.h> #include "gcov.h" +#if __GNUC__ == 4 && __GNUC_MINOR__ >= 9 +#define GCOV_COUNTERS 9 +#else #define GCOV_COUNTERS 8 +#endif + #define GCOV_TAG_FUNCTION_LENGTH 3 static struct gcov_info *gcov_info_head; -- 2.0.0.rc2
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