gdb/linux/proc.py

3 # gdb helper commands and functions for Linux kernel debugging
15 import gdb
24 class LxCmdLine(gdb.Command):
29         super(LxCmdLine, self).__init__("lx-cmdline", gdb.COMMAND_DATA)
32         gdb.write(gdb.parse_and_eval("saved_command_line").string() + "\n")
38 class LxVersion(gdb.Command):
43         super(LxVersion, self).__init__("lx-version", gdb.COMMAND_DATA)
47         gdb.write(gdb.parse_and_eval("(char *)linux_banner").string())
70         resource = gdb.parse_and_eval(resource_str)
76             gdb.write(" " * depth * 2 +
82 class LxIOMem(gdb.Command):
88         super(LxIOMem, self).__init__("lx-iomem", gdb.COMMAND_DATA)
97 class LxIOPorts(gdb.Command):
103         super(LxIOPorts, self).__init__("lx-ioports", gdb.COMMAND_DATA)
140 class LxMounts(gdb.Command):
148         super(LxMounts, self).__init__("lx-mounts", gdb.COMMAND_DATA)
154         argv = gdb.string_to_argv(arg)
158             except gdb.error:
159                 raise gdb.GdbError("Provide a PID as integer value")
165             raise gdb.GdbError("Couldn't find a process with PID {}"
170             raise gdb.GdbError("No namespace for current process")
172         gdb.write("{:^18} {:^15} {:>9} {} {} options\n".format(
198             gdb.write("{} {} {} {} {} {}{}{} 0 0\n".format(
207 class LxFdtDump(gdb.Command):
213         super(LxFdtDump, self).__init__("lx-fdtdump", gdb.COMMAND_DATA,
214                                         gdb.COMPLETE_FILENAME)
238             raise gdb.GdbError("Kernel not compiled with CONFIG_OF\n")
245         py_fdt_header_ptr = gdb.parse_and_eval(
252             raise gdb.GdbError("No flattened device tree magic found\n")
254         gdb.write("fdt_magic:         0x{:02X}\n".format(fdt_header[0]))
255         gdb.write("fdt_totalsize:     0x{:02X}\n".format(fdt_header[1]))
256         gdb.write("off_dt_struct:     0x{:02X}\n".format(fdt_header[2]))
257         gdb.write("off_dt_strings:    0x{:02X}\n".format(fdt_header[3]))
258         gdb.write("off_mem_rsvmap:    0x{:02X}\n".format(fdt_header[4]))
259         gdb.write("version:           {}\n".format(fdt_header[5]))
260         gdb.write("last_comp_version: {}\n".format(fdt_header[6]))
262         inf = gdb.inferiors()[0]
268         except gdb.error:
269             raise gdb.GdbError("Could not open file to dump fdt")
274         gdb.write("Dumped fdt blob to " + filename + "\n")