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gcov: add support for GCC 14

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commit c1558bc57b8e5b4da5d821537cd30e2e660861d8 upstream.

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/[email protected]
Signed-off-by: Peter Oberparleiter <[email protected]>
Reported-by: Allison Henderson <[email protected]>
Reported-by: Chuck Lever III <[email protected]>
Tested-by: Chuck Lever <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Peter Oberparleiter 2024-06-10 11:27:43 +02:00 • committed by Greg Kroah-Hartman
commit 89059eddac
1 changed files with 3 additions and 1 deletions
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4
kernel/gcov/gcc_4_7.c
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@ -19,7 +19,9 @@
#include <linux/vmalloc.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