mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-25 19:21:35 +01:00
1ab7fbf607
Use import thread_pool instead from, from is evil. Fix poweroff.out path for ./trace-boot.
44 lines
1.6 KiB
Python
Executable File
44 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import common
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import lkmc.import_path
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class Main(common.LkmcCliFunction):
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def __init__(self):
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super().__init__(
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description='''GDB step debug guest userland processes without gdbserver.
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More information at: https://github.com/cirosantilli/linux-kernel-module-cheat#gdb-step-debug-userland-processes
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'''
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)
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self.add_argument(
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'executable',
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help='Path to the executable to be debugged relative to the Buildroot build directory.'
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)
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self.add_argument(
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'break_at',
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default=None,
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help='Break at this point, e.g. main.',
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nargs='?'
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)
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def timed_main(self):
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raise Exception("This is known to be broken, but fixing shouldn't be too hard! Keyword: get_argparse. See also: https://github.com/cirosantilli/linux-kernel-module-cheat/issues/63")
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executable = self.env['image']
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addr = self.get_elf_entry(os.path.join(self.env['buildroot_build_build_dir'], executable))
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args = {}
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args['before'] = '-ex \"add-symbol-file {} {}\"'.format(executable, hex(addr))
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# Or else lx-symbols throws for arm:
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# gdb.MemoryError: Cannot access memory at address 0xbf0040cc
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# TODO understand better.
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# Also, lx-symbols overrides the add-symbol-file commands.
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args['no_lxsymbols'] = True
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args['break_at'] = self.env['break_at']
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rungdb = lkmc.import_path.import_path_main('run-gdb')
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return rungdb(**args)
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if __name__ == '__main__':
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Main().cli()
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