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Lu" Subject: [PATCH v2 3/9] sframe: Enhance comments for SFRAME_CFA_*_REG macros Date: Fri, 23 Feb 2024 18:07:54 +0100 Message-Id: <20240223170800.3993092-4-jremus@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240223170800.3993092-1-jremus@linux.ibm.com> References: <20240223170800.3993092-1-jremus@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: tRVIjj6e3FGC1rdhB712duwA1i3m7_oI X-Proofpoint-ORIG-GUID: hINkiPcMHZcS6AlRD4Ot6-8kNqjeogc5 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=2024-02-23_02,2024-02-23_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 adultscore=0 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402230124 X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791710353492012801 X-GMAIL-MSGID: 1791710353492012801 Specify what the SFRAME_CFA_*_REG register numbers are used for: - SP (stack pointer): CFA tracking - FP (frame pointer): CFA and FP tracking - RA (return address): RA tracking gas/ * config/tc-aarch64.h: Enhance comments for SFRAME_CFA_*_REG macros. * config/tc-i386.h: Likewise. Reviewed-by: Andreas Krebbel Signed-off-by: Jens Remus --- gas/config/tc-aarch64.h | 6 +++--- gas/config/tc-i386.h | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/gas/config/tc-aarch64.h b/gas/config/tc-aarch64.h index 599d78db7908..59c9b5a09ec0 100644 --- a/gas/config/tc-aarch64.h +++ b/gas/config/tc-aarch64.h @@ -267,15 +267,15 @@ extern void aarch64_after_parse_args (void); extern bool aarch64_support_sframe_p (void); #define support_sframe_p aarch64_support_sframe_p -/* The stack-pointer register number for SFrame stack trace info. */ +/* The stack-pointer register number for CFA tracking. */ extern unsigned int aarch64_sframe_cfa_sp_reg; #define SFRAME_CFA_SP_REG aarch64_sframe_cfa_sp_reg -/* The frame-pointer register number for SFrame stack trace info. */ +/* The frame-pointer register number for CFA and FP tracking. */ extern unsigned int aarch64_sframe_cfa_fp_reg; #define SFRAME_CFA_FP_REG aarch64_sframe_cfa_fp_reg -/* The return address register number for SFrame stack trace info. */ +/* The return address register number for RA tracking. */ extern unsigned int aarch64_sframe_cfa_ra_reg; #define SFRAME_CFA_RA_REG aarch64_sframe_cfa_ra_reg diff --git a/gas/config/tc-i386.h b/gas/config/tc-i386.h index b93799a3b48c..0d6fb002166f 100644 --- a/gas/config/tc-i386.h +++ b/gas/config/tc-i386.h @@ -440,11 +440,11 @@ extern bool x86_scfi_callee_saved_p (uint32_t dw2reg_num); extern bool x86_support_sframe_p (void); #define support_sframe_p x86_support_sframe_p -/* The stack-pointer register number for SFrame stack trace info. */ +/* The stack-pointer register number for CFA tracking. */ extern unsigned int x86_sframe_cfa_sp_reg; #define SFRAME_CFA_SP_REG x86_sframe_cfa_sp_reg -/* The frame-pointer register number for SFrame stack trace info. */ +/* The frame-pointer register number for CFA and FP tracking. */ extern unsigned int x86_sframe_cfa_fp_reg; #define SFRAME_CFA_FP_REG x86_sframe_cfa_fp_reg