Commit ec4d11fc authored by Peter Oberparleiter's avatar Peter Oberparleiter Committed by Andrew Morton
Browse files

gcov: add support for GCC 15 

Using gcov on kernels compiled with GCC 15 results in truncated 16-byte
long .gcda files with no usable data.  To fix this, update GCOV_COUNTERS
to match the value defined by GCC 15.

Tested with GCC 14.3.0 and GCC 15.2.0.

Link: https://lkml.kernel.org/r/20251028115125.1319410-1-oberpar@linux.ibm.com


Signed-off-by: default avatarPeter Oberparleiter <oberpar@linux.ibm.com>
Reported-by: default avatarMatthieu Baerts <matttbe@kernel.org>
Closes: https://github.com/linux-test-project/lcov/issues/445


Tested-by: default avatarMatthieu Baerts <matttbe@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 0d6c356d

kernel/gcov/gcc_4_7.c

+3 −1
Original line number Diff line number Diff line
@@ -18,7 +18,9 @@ 
#include <linux/mm.h>

#include "gcov.h"



#if (__GNUC__ >= 14)

#if (__GNUC__ >= 15)

#define GCOV_COUNTERS			10

#elif (__GNUC__ >= 14)

#define GCOV_COUNTERS			9

#elif (__GNUC__ >= 10)

#define GCOV_COUNTERS			8