3rd-party/linux-kernel-module-cheat
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enable basic mozilla rr support

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Ciro Santilli 六四事件 法轮功
2019-08-28 00:00:00 +00:00
parent 677b4646bb
commit 4ff62c4840
3 changed files with 46 additions and 2 deletions
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20
run
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@@ -45,6 +45,14 @@ For --emulator native, this debugs the target program.
default='',
help='Pass arguments to GDB. Implies --debug-vm.'
)
self.add_argument(
'--debug-vm-rr',
default=False,
help='''
Run the emulator through Mozilla RR, and then start replay with reverse debugging enabled:
https://cirosantilli.com/linux-kernel-module-cheat#reverse-debug-the-emulator
'''
)
self.add_argument(
'--dtb',
help='''\
@@ -340,7 +348,9 @@ Extra options to append at the end of the emulator command line.
self.env['tmux_program'] = 'gdb'
if self.env['tmux_args'] is not None or self.env['_args_given']['tmux_program']:
self.env['tmux'] = True
if self.env['debug_vm'] or self.env['debug_vm_args']:
if self.env['debug_vm_rr']:
debug_vm = ['rr', 'record']
elif self.env['debug_vm'] or self.env['debug_vm_args']:
debug_vm = ['gdb', LF, '-q', LF] + self.sh.shlex_split(self.env['debug_vm_args']) + ['--args', LF]
else:
debug_vm = []
@@ -597,7 +607,7 @@ Extra options to append at the end of the emulator command line.
else:
extra_emulator_args.extend(extra_qemu_args)
self.make_run_dirs()
if self.env['debug_vm']:
if debug_vm:
serial_monitor = []
else:
if self.env['background']:
@@ -789,6 +799,12 @@ Extra options to append at the end of the emulator command line.
raise_on_failure=False,
show_stdout=show_stdout,
)
if self.env['debug_vm_rr']:
exit_status = self.sh.run_cmd(
['rr', 'replay', '-o', '-q'],
raise_on_failure=False,
show_stdout=show_stdout,
)
if exit_status == 0:
error_string_found = False
exit_status = 0