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Fri, 11 Aug 2023 05:21:34 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 096E12005A; Fri, 11 Aug 2023 05:21:34 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A106C2004D; Fri, 11 Aug 2023 05:21:31 +0000 (GMT) Received: from localhost.localdomain (unknown [9.43.95.190]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 11 Aug 2023 05:21:31 +0000 (GMT) From: Athira Rajeev To: acme@kernel.org, jolsa@kernel.org, irogers@google.com, namhyung@kernel.org Subject: [PATCH 1/2] tools/perf: Add text_end to "struct dso" to save .text section size Date: Fri, 11 Aug 2023 10:51:27 +0530 Message-Id: <20230811052128.70282-1-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: YdNLeToOOWK1_TIdb4rg2f4MMr1kM0xf X-Proofpoint-ORIG-GUID: n_7RX8nV6hBf_8KhuJdGwRk3fYpveWao X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-10_20,2023-08-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 clxscore=1015 impostorscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308110046 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: atrajeev@linux.vnet.ibm.com, kjain@linux.ibm.com, linux-perf-users@vger.kernel.org, maddy@linux.ibm.com, disgoel@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Update "struct dso" to include new member "text_end". This new field will represent the offset for end of text section for a dso. This value is derived as: sh_size (Size of section in byes) + sh_offset (Section file offst) of the elf header for text. Signed-off-by: Athira Rajeev --- tools/perf/util/dso.h | 1 + tools/perf/util/symbol-elf.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index b41c9782c754..70fe0fe69bef 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -181,6 +181,7 @@ struct dso { u8 rel; struct build_id bid; u64 text_offset; + u64 text_end; const char *short_name; const char *long_name; u16 long_name_len; diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 8bd466d1c2bd..252d26a59e64 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -1512,8 +1512,10 @@ dso__load_sym_internal(struct dso *dso, struct map *map, struct symsrc *syms_ss, } if (elf_section_by_name(runtime_ss->elf, &runtime_ss->ehdr, &tshdr, - ".text", NULL)) + ".text", NULL)) { dso->text_offset = tshdr.sh_addr - tshdr.sh_offset; + dso->text_end = tshdr.sh_offset + tshdr.sh_size; + } if (runtime_ss->opdsec) opddata = elf_rawdata(runtime_ss->opdsec, NULL); -- 2.31.1