Subject: + gcov-add-support-for-gcc-49.patch added to -mm tree
To: coolypf@xxxxxx,oberpar@xxxxxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 13 May 2014 13:22:16 -0700
The patch titled
Subject: gcov: add support for GCC 4.9
has been added to the -mm tree. Its filename is
gcov-add-support-for-gcc-49.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/gcov-add-support-for-gcc-49.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/gcov-add-support-for-gcc-49.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Yuan Pengfei <coolypf@xxxxxx>
Subject: gcov: add support for GCC 4.9
Handle 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@xxxxxx>
Cc: Peter Oberparleiter <oberpar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/gcov/base.c | 6 ++++++
kernel/gcov/gcc_4_7.c | 5 +++++
2 files changed, 11 insertions(+)
diff -puN kernel/gcov/base.c~gcov-add-support-for-gcc-49 kernel/gcov/base.c
--- a/kernel/gcov/base.c~gcov-add-support-for-gcc-49
+++ a/kernel/gcov/base.c
@@ -85,6 +85,12 @@ void __gcov_merge_ior(gcov_type *counter
}
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 -puN kernel/gcov/gcc_4_7.c~gcov-add-support-for-gcc-49 kernel/gcov/gcc_4_7.c
--- a/kernel/gcov/gcc_4_7.c~gcov-add-support-for-gcc-49
+++ a/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;
_
Patches currently in -mm which might be from coolypf@xxxxxx are
gcov-add-support-for-gcc-49.patch
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