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Tue, 08 Aug 2023 01:30:30 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 8 Aug 2023 16:30:28 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 8 Aug 2023 16:30:28 +0800 From: Kuan-Ying Lee To: Jan Kiszka , Kieran Bingham , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , , Kuan-Ying Lee , , Subject: [PATCH v2 1/8] scripts/gdb/symbols: add specific ko module load command Date: Tue, 8 Aug 2023 16:30:11 +0800 Message-ID: <20230808083020.22254-2-Kuan-Ying.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230808083020.22254-1-Kuan-Ying.Lee@mediatek.com> References: <20230808083020.22254-1-Kuan-Ying.Lee@mediatek.com> MIME-Version: 1.0 X-MTK: N X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: C527F40012 X-Stat-Signature: 16wtf36g4ri5pw3y85ddpnbh5gxbx438 X-HE-Tag: 1691483440-174929 X-HE-Meta: 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 OX+n3BKB g1QfYy3fJPz2yXE5QXYQ+UbPxipC9ipKsYxFBWEWZkU2aaTCgpbHL5VD/BHPWpMooEAwyHoZSFtuyXrLRpeMKORgi75/JhxldfnXadB2YGjw6Vm49GlBNUGgYEjfEl7UUiYFRWFCWJLPRaL3vcJMbpwx9/j8KC8647zyRWJ0g35OQ/zOuAPXenOcDiPES5U05dm6uAMkEtg2CvufxB8KOm+PZERlv+1GcnOyxly8jr9oLCkIqbyEBMt/8VA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Add lx-symbols command to support add specific ko module. Example output like below: (gdb) lx-symbols mm/kasan/kasan_test.ko loading @0xffff800002d30000: mm/kasan/kasan_test.ko Signed-off-by: Kuan-Ying Lee Reported-by: Johannes Berg Signed-off-by: Andrew Morton --- scripts/gdb/linux/symbols.py | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index c8047f4441e6..5179edd1b627 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -111,11 +111,12 @@ lx-symbols command.""" return "{textaddr} {sections}".format( textaddr=textaddr, sections="".join(args)) - def load_module_symbols(self, module): + def load_module_symbols(self, module, module_file=None): module_name = module['name'].string() module_addr = str(module['mem'][constants.LX_MOD_TEXT]['base']).split()[0] - module_file = self._get_module_file(module_name) + if not module_file: + module_file = self._get_module_file(module_name) if not module_file and not self.module_files_updated: self._update_module_files() module_file = self._get_module_file(module_name) @@ -138,6 +139,19 @@ lx-symbols command.""" else: gdb.write("no module object found for '{0}'\n".format(module_name)) + def load_ko_symbols(self, mod_path): + self.loaded_modules = [] + module_list = modules.module_list() + + for module in module_list: + module_name = module['name'].string() + module_pattern = ".*/{0}\.ko(?:.debug)?$".format( + module_name.replace("_", r"[_\-]")) + if re.match(module_pattern, mod_path) and os.path.exists(mod_path): + self.load_module_symbols(module, mod_path) + return + raise gdb.GdbError("%s is not a valid .ko\n" % mod_path) + def load_all_symbols(self): gdb.write("loading vmlinux\n") @@ -176,6 +190,11 @@ lx-symbols command.""" self.module_files = [] self.module_files_updated = False + argv = gdb.string_to_argv(arg) + if len(argv) == 1: + self.load_ko_symbols(argv[0]) + return + self.load_all_symbols() if hasattr(gdb, 'Breakpoint'):