6 # Copyright (c) Siemens AG, 2011-2013
24         def __init__(self, spec, gdb_command):  argument
25             super(LoadModuleBreakpoint, self).__init__(spec, internal=True)
26             self.silent = True
27             self.gdb_command = gdb_command
29         def stop(self):  argument
32             cmd = self.gdb_command
37             # Disable pagination while reporting symbol (re-)loading.
58     """(Re-)load symbols of Linux kernel and currently loaded modules.
60 The kernel (vmlinux) is taken from the current working directly. Modules (.ko)
63 lx-symbols command."""
71     def __init__(self):  argument
72         super(LxSymbols, self).__init__("lx-symbols", gdb.COMMAND_FILES,
75     def _update_module_files(self):  argument
76         self.module_files = []
77         for path in self.module_paths:
82                         self.module_files.append(root + "/" + name)
83         self.module_files_updated = True
85     def _get_module_file(self, module_name):  argument
87             module_name.replace("_", r"[_\-]"))
88         for name in self.module_files:
93     def _section_arguments(self, module, module_addr):  argument
114                 args.append(" -s {name} {addr}".format(
119     def load_module_symbols(self, module):  argument
123         module_file = self._get_module_file(module_name)
124         if not module_file and not self.module_files_updated:
125             self._update_module_files()
126             module_file = self._get_module_file(module_name)
137             cmdline = "add-symbol-file {filename} {sections}".format(
139                 sections=self._section_arguments(module, module_addr))
141             if module_name not in self.loaded_modules:
142                 self.loaded_modules.append(module_name)
146     def load_all_symbols(self):  argument
162         gdb.execute("symbol-file", to_string=True)
163         gdb.execute("symbol-file {0}".format(orig_vmlinux))
165         self.loaded_modules = []
170             [self.load_module_symbols(module) for module in module_list]
175     def invoke(self, arg, from_tty):  argument
176         self.module_paths = [os.path.abspath(os.path.expanduser(p))
178         self.module_paths.append(os.getcwd())
181         self.module_files = []
182         self.module_files_updated = False
184         self.load_all_symbols()
190             if self.breakpoint is not None:
191                 self.breakpoint.delete()
192                 self.breakpoint = None
193             self.breakpoint = LoadModuleBreakpoint(
194                 "kernel/module/main.c:do_init_module", self)