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gcov: add support for GCC 14

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Using gcov on kernels compiled with GCC 14 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 14.

Tested with GCC versions 14.1.0 and 13.2.0.

Link: https://lkml.kernel.org/r/20240610092743.1609845-1-oberpar@linux.ibm.com
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reported-by: Allison Henderson <allison.henderson@oracle.com>
Reported-by: Chuck Lever III <chuck.lever@oracle.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Peter Oberparleiter 2024-06-10 11:27:43 +02:00 committed by Andrew Morton
parent 7fea700e04
commit c1558bc57b
1 changed files with 3 additions and 1 deletions
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4
kernel/gcov/gcc_4_7.c
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@ -18,7 +18,9 @@
#include <linux/mm.h>
#include "gcov.h"
#if (__GNUC__ >= 10)
#if (__GNUC__ >= 14)
#define GCOV_COUNTERS 9
#elif (__GNUC__ >= 10)
#define GCOV_COUNTERS 8
#elif (__GNUC__ >= 7)
#define GCOV_COUNTERS 9