From: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> To: Jan Kiszka <jan.kiszka@siemens.com>, Kieran Bingham <kbingham@kernel.org>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: <chinwen.chang@mediatek.com>, <qun-wei.lin@mediatek.com>, <linux-mm@kvack.org>, <linux-modules@vger.kernel.org>, <casper.li@mediatek.com>, <akpm@linux-foundation.org>, <linux-arm-kernel@lists.infradead.org>, Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>, <linux-kernel@vger.kernel.org>, <linux-mediatek@lists.infradead.org> Subject: [PATCH v2 1/8] scripts/gdb/symbols: add specific ko module load command Date: Tue, 8 Aug 2023 16:30:11 +0800 [thread overview] Message-ID: <20230808083020.22254-2-Kuan-Ying.Lee@mediatek.com> (raw) In-Reply-To: <20230808083020.22254-1-Kuan-Ying.Lee@mediatek.com> Add lx-symbols <ko_path> 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 <Kuan-Ying.Lee@mediatek.com> --- 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'): -- 2.18.0
WARNING: multiple messages have this Message-ID (diff)
From: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com> To: Jan Kiszka <jan.kiszka@siemens.com>, Kieran Bingham <kbingham@kernel.org>, Matthias Brugger <matthias.bgg@gmail.com>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Cc: <chinwen.chang@mediatek.com>, <qun-wei.lin@mediatek.com>, <linux-mm@kvack.org>, <linux-modules@vger.kernel.org>, <casper.li@mediatek.com>, <akpm@linux-foundation.org>, <linux-arm-kernel@lists.infradead.org>, Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>, <linux-kernel@vger.kernel.org>, <linux-mediatek@lists.infradead.org> Subject: [PATCH v2 1/8] scripts/gdb/symbols: add specific ko module load command Date: Tue, 8 Aug 2023 16:30:11 +0800 [thread overview] Message-ID: <20230808083020.22254-2-Kuan-Ying.Lee@mediatek.com> (raw) In-Reply-To: <20230808083020.22254-1-Kuan-Ying.Lee@mediatek.com> Add lx-symbols <ko_path> 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 <Kuan-Ying.Lee@mediatek.com> --- 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'): -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-08-08 16:18 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-08-08 8:30 [PATCH v2 0/8] Add GDB memory helper commands Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee [this message] 2023-08-08 8:30 ` [PATCH v2 1/8] scripts/gdb/symbols: add specific ko module load command Kuan-Ying Lee 2023-09-12 9:41 ` Johannes Berg 2023-09-12 9:41 ` Johannes Berg 2023-09-12 16:23 ` Andrew Morton 2023-09-12 16:23 ` Andrew Morton 2023-08-08 8:30 ` [PATCH v2 2/8] scripts/gdb/modules: add get module text support Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 3/8] scripts/gdb/utils: add common type usage Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 4/8] scripts/gdb/aarch64: add aarch64 page operation helper commands and configs Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 5/8] scripts/gdb/stackdepot: Add stackdepot support Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 6/8] scripts/gdb/page_owner: add page owner support Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 7/8] scripts/gdb/slab: Add slab support Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee 2023-08-08 8:30 ` [PATCH v2 8/8] scripts/gdb/vmalloc: add vmallocinfo support Kuan-Ying Lee 2023-08-08 8:30 ` Kuan-Ying Lee
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