1import lldb
2
3
4class OperatingSystemPlugIn(object):
5    """Class that provides data for an instance of a LLDB 'OperatingSystemPython' plug-in class"""
6
7    def __init__(self, process):
8        '''Initialization needs a valid.SBProcess object.
9
10        This plug-in will get created after a live process is valid and has stopped for the first time.
11        '''
12        self.process = None
13        self.registers = None
14        self.threads = None
15        if isinstance(process, lldb.SBProcess) and process.IsValid():
16            self.process = process
17            self.threads = None  # Will be an dictionary containing info for each thread
18
19    def get_target(self):
20        return self.process.target
21
22    def get_thread_info(self):
23        if not self.threads:
24            # FIXME: LLDB is not actually parsing thread stop reasons.
25            self.threads = [{
26                'tid': 0x111111111,
27                'name': 'one',
28                'queue': 'queue1',
29                'state': 'stopped',
30                'stop_reason': 'not parsed'
31            }, {
32                'tid': 0x222222222,
33                'name': 'two',
34                'queue': 'queue2',
35                'state': 'stopped',
36                'stop_reason': 'not parsed'
37            }, {
38                'tid': 0x333333333,
39                'name': 'three',
40                'queue': 'queue3',
41                'state': 'stopped',
42                'stop_reason': 'not parsed - should be "sigstop" though',
43                'core': 0
44            }]
45        return self.threads
46