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| author | Martin Liska <mliska@suse.cz> | 2017-05-12 15:46:35 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-02 07:05:45 +0200 |
| commit | a7049cdd153017fb144ee20108d2b01f4324b739 (patch) | |
| tree | a69f29b308539eacc4f31dae7314017b130fc1f7 /kernel | |
| parent | 42b7c430f81431c60b1c88a8ed848d7f14cea8bc (diff) | |
| download | linux-stable-a7049cdd153017fb144ee20108d2b01f4324b739.tar.gz linux-stable-a7049cdd153017fb144ee20108d2b01f4324b739.tar.bz2 linux-stable-a7049cdd153017fb144ee20108d2b01f4324b739.zip | |
gcov: support GCC 7.1
commit 05384213436ab690c46d9dfec706b80ef8d671ab upstream.
Starting from GCC 7.1, __gcov_exit is a new symbol expected to be
implemented in a profiling runtime.
[akpm@linux-foundation.org: coding-style fixes]
[mliska@suse.cz: v2]
Link: http://lkml.kernel.org/r/e63a3c59-0149-c97e-4084-20ca8f146b26@suse.cz
Link: http://lkml.kernel.org/r/8c4084fa-3885-29fe-5fc4-0d4ca199c785@suse.cz
Signed-off-by: Martin Liska <mliska@suse.cz>
Acked-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/gcov/base.c | 6 | ||||
| -rw-r--r-- | kernel/gcov/gcc_4_7.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c index 59259b64164c..47aeb0536409 100644 --- a/kernel/gcov/base.c +++ b/kernel/gcov/base.c @@ -97,6 +97,12 @@ void __gcov_merge_icall_topn(gcov_type *counters, unsigned int n_counters) } EXPORT_SYMBOL(__gcov_merge_icall_topn); +void __gcov_exit(void) +{ + /* Unused. */ +} +EXPORT_SYMBOL(__gcov_exit); + /** * 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 6a5c239c7669..46a18e72bce6 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -18,7 +18,9 @@ #include <linux/vmalloc.h> #include "gcov.h" -#if (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1) +#if (__GNUC__ >= 7) +#define GCOV_COUNTERS 9 +#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1) #define GCOV_COUNTERS 10 #elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9 #define GCOV_COUNTERS 9 |