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Fri, 12 Apr 2024 14:47:24 +0000 (GMT) From: Jens Remus To: binutils@sourceware.org, Indu Bhagat Cc: Jens Remus , Andreas Krebbel Subject: [PATCH v3 15/15] gas: Validate SFrame RA tracking and fixed RA offset Date: Fri, 12 Apr 2024 16:47:18 +0200 Message-Id: <20240412144718.4191286-16-jremus@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240412144718.4191286-1-jremus@linux.ibm.com> References: <20240412144718.4191286-1-jremus@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: _JOkmZMdu_4MidrR5X8kswbxVdWdG9_t X-Proofpoint-GUID: _JOkmZMdu_4MidrR5X8kswbxVdWdG9_t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-12_11,2024-04-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 phishscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 impostorscore=0 mlxscore=0 adultscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404120107 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,GIT_PATCH_0,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: If an architecture uses SFrame return-address (RA) tracking it must specify the fixed RA offset as invalid. Otherwise, if an architecture does not use RA tracking, it must specify a valid fixed RA offset. gas/ * gen-sframe.c: Validate SFrame RA tracking and fixed RA offset. Signed-off-by: Jens Remus --- Notes (jremus): Changes v2 -> v3: - New patch. This could be made dependent on ENABLE_CHECKING (configure option --enable-checking). gas/gen-sframe.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/gas/gen-sframe.c b/gas/gen-sframe.c index ca6565b0e45e..7e815f9603ef 100644 --- a/gas/gen-sframe.c +++ b/gas/gen-sframe.c @@ -1532,6 +1532,18 @@ output_sframe (segT sframe_seg) /* Setup the version specific access functions. */ sframe_set_version (SFRAME_VERSION_2); +#ifdef SFRAME_FRE_RA_TRACKING + if (sframe_ra_tracking_p ()) + /* With RA tracking the fixed RA offset must be invalid. */ + gas_assert (sframe_cfa_ra_offset () == SFRAME_CFA_FIXED_RA_INVALID); + else + /* Without RA tracking the fixed RA offset may not be invalid. */ + gas_assert (sframe_cfa_ra_offset () != SFRAME_CFA_FIXED_RA_INVALID); +#else + /* Without RA tracking the fixed RA offset may not be invalid. */ + gas_assert (sframe_cfa_ra_offset () != SFRAME_CFA_FIXED_RA_INVALID); +#endif + /* Process all fdes and create SFrame stack trace information. */ create_sframe_all (); -- 2.40.1