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Mon, 10 Jun 2024 09:27:55 +0000 (GMT) From: Peter Oberparleiter To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, allison.henderson@oracle.com, chuck.lever@oracle.com, oberpar@linux.ibm.com Subject: [PATCH] gcov: add support for GCC 14 Date: Mon, 10 Jun 2024 11:27:43 +0200 Message-Id: <20240610092743.1609845-1-oberpar@linux.ibm.com> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: aqaj9prAp1gRYoBHNWEQEVlhrCE3Bp-1 X-Proofpoint-ORIG-GUID: aqaj9prAp1gRYoBHNWEQEVlhrCE3Bp-1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-10_02,2024-06-06_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 malwarescore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 bulkscore=0 mlxlogscore=999 adultscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406100071 Content-Type: text/plain; charset="utf-8" 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. Reported-by: Allison Henderson Reported-by: Chuck Lever III Signed-off-by: Peter Oberparleiter Tested-by: Chuck Lever --- kernel/gcov/gcc_4_7.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c index 74a4ef1da9ad..fd75b4a484d7 100644 --- a/kernel/gcov/gcc_4_7.c +++ b/kernel/gcov/gcc_4_7.c @@ -18,7 +18,9 @@ #include #include "gcov.h" =20 -#if (__GNUC__ >=3D 10) +#if (__GNUC__ >=3D 14) +#define GCOV_COUNTERS 9 +#elif (__GNUC__ >=3D 10) #define GCOV_COUNTERS 8 #elif (__GNUC__ >=3D 7) #define GCOV_COUNTERS 9 --=20 2.40.1