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 1/8] scripts/gdb/symbols: add specific ko module load command
Date: Tue, 25 Jul 2023 17:34:51 +0800 [thread overview]
Message-ID: <20230725093458.30064-2-Kuan-Ying.Lee@mediatek.com> (raw)
In-Reply-To: <20230725093458.30064-1-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 fdad3f32c747..b21ae62fdd7d 100644
--- a/scripts/gdb/linux/symbols.py
+++ b/scripts/gdb/linux/symbols.py
@@ -107,11 +107,12 @@ lx-symbols command."""
name=section_name, addr=str(address)))
return "".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)
@@ -135,6 +136,19 @@ 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")
@@ -173,6 +187,11 @@ 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
next prev parent reply other threads:[~2023-07-25 9:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-25 9:34 [PATCH 0/8] Add GDB memory helper commands Kuan-Ying Lee
2023-07-25 9:34 ` Kuan-Ying Lee [this message]
2023-07-25 9:34 ` [PATCH 2/8] scripts/gdb/modules: add get module text support Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 3/8] scripts/gdb/utils: add common type usage Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 4/8] scripts/gdb/aarch64: add aarch64 page operation helper commands and configs Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 5/8] scripts/gdb/stackdepot: Add stackdepot support Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 6/8] scripts/gdb/page_owner: add page owner support Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 7/8] scripts/gdb/slab: Add slab support Kuan-Ying Lee
2023-07-25 9:34 ` [PATCH 8/8] scripts/gdb/vmalloc: add vmallocinfo support Kuan-Ying Lee
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