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|
#!/usr/bin/python
import lldb
import struct
class OperatingSystemPlugIn(object):
"""Class that provides data for an instance of a LLDB 'OperatingSystemPython' plug-in class"""
def __init__(self, process):
'''Initialization needs a valid.SBProcess object.
This plug-in will get created after a live process is valid and has stopped for the
first time.'''
self.process = None
self.registers = None
self.threads = None
if isinstance(process, lldb.SBProcess) and process.IsValid():
self.process = process
self.threads = None # Will be an dictionary containing info for each thread
def get_target(self):
# NOTE: Don't use "lldb.target" when trying to get your target as the "lldb.target"
# tracks the current target in the LLDB command interpreter which isn't the
# correct thing to use for this plug-in.
return self.process.target
def create_thread(self, tid, context):
if tid == 0x444444444:
thread_info = {
'tid': tid,
'name': 'four',
'queue': 'queue4',
'state': 'stopped',
'stop_reason': 'none'}
self.threads.append(thread_info)
return thread_info
return None
def get_thread_info(self):
if not self.threads:
# The sample dictionary below shows the values that can be returned for a thread
# tid => thread ID (mandatory)
# name => thread name (optional key/value pair)
# queue => thread dispatch queue name (optional key/value pair)
# state => thred state (mandatory, set to 'stopped' for now)
# stop_reason => thread stop reason. (mandatory, usually set to 'none')
# Possible values include:
# 'breakpoint' if the thread is stopped at a breakpoint
# 'none' thread is just stopped because the process is stopped
# 'trace' the thread just single stepped
# The usual value for this while threads are in memory is 'none'
# register_data_addr => the address of the register data in memory (optional key/value pair)
# Specifying this key/value pair for a thread will avoid a call to get_register_data()
# and can be used when your registers are in a thread context structure that is contiguous
# in memory. Don't specify this if your register layout in memory doesn't match the layout
# described by the dictionary returned from a call to the
# get_register_info() method.
self.threads = [{'tid': 0x111111111,
'name': 'one',
'queue': 'queue1',
'state': 'stopped',
'stop_reason': 'breakpoint'},
{'tid': 0x222222222,
'name': 'two',
'queue': 'queue2',
'state': 'stopped',
'stop_reason': 'none'},
{'tid': 0x333333333,
'name': 'three',
'queue': 'queue3',
'state': 'stopped',
'stop_reason': 'trace',
'register_data_addr': 0x100000000}]
return self.threads
def get_register_info(self):
if self.registers is None:
self.registers = dict()
triple = self.process.target.triple
if triple:
arch = triple.split('-')[0]
if arch == 'x86_64':
self.registers['sets'] = ['GPR', 'FPU', 'EXC']
self.registers['registers'] = [
{'name': 'rax', 'bitsize': 64, 'offset': 0, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 0, 'dwarf': 0},
{'name': 'rbx', 'bitsize': 64, 'offset': 8, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 3, 'dwarf': 3},
{'name': 'rcx', 'bitsize': 64, 'offset': 16, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 2, 'dwarf': 2, 'generic': 'arg4', 'alt-name': 'arg4', },
{'name': 'rdx', 'bitsize': 64, 'offset': 24, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 1, 'dwarf': 1, 'generic': 'arg3', 'alt-name': 'arg3', },
{'name': 'rdi', 'bitsize': 64, 'offset': 32, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 5, 'dwarf': 5, 'generic': 'arg1', 'alt-name': 'arg1', },
{'name': 'rsi', 'bitsize': 64, 'offset': 40, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 4, 'dwarf': 4, 'generic': 'arg2', 'alt-name': 'arg2', },
{'name': 'rbp', 'bitsize': 64, 'offset': 48, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 6, 'dwarf': 6, 'generic': 'fp', 'alt-name': 'fp', },
{'name': 'rsp', 'bitsize': 64, 'offset': 56, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 7, 'dwarf': 7, 'generic': 'sp', 'alt-name': 'sp', },
{'name': 'r8', 'bitsize': 64, 'offset': 64, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 8, 'dwarf': 8, 'generic': 'arg5', 'alt-name': 'arg5', },
{'name': 'r9', 'bitsize': 64, 'offset': 72, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 9, 'dwarf': 9, 'generic': 'arg6', 'alt-name': 'arg6', },
{'name': 'r10', 'bitsize': 64, 'offset': 80, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 10, 'dwarf': 10},
{'name': 'r11', 'bitsize': 64, 'offset': 88, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 11, 'dwarf': 11},
{'name': 'r12', 'bitsize': 64, 'offset': 96, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 12, 'dwarf': 12},
{'name': 'r13', 'bitsize': 64, 'offset': 104, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 13, 'dwarf': 13},
{'name': 'r14', 'bitsize': 64, 'offset': 112, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 14, 'dwarf': 14},
{'name': 'r15', 'bitsize': 64, 'offset': 120, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 15, 'dwarf': 15},
{'name': 'rip', 'bitsize': 64, 'offset': 128, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'gcc': 16, 'dwarf': 16, 'generic': 'pc', 'alt-name': 'pc'},
{'name': 'rflags', 'bitsize': 64, 'offset': 136, 'encoding': 'uint', 'format': 'hex', 'set': 0, 'generic': 'flags', 'alt-name': 'flags'},
{'name': 'cs', 'bitsize': 64, 'offset': 144, 'encoding': 'uint', 'format': 'hex', 'set': 0},
{'name': 'fs', 'bitsize': 64, 'offset': 152, 'encoding': 'uint', 'format': 'hex', 'set': 0},
{'name': 'gs', 'bitsize': 64, 'offset': 160, 'encoding': 'uint', 'format': 'hex', 'set': 0},
]
return self.registers
def get_register_data(self, tid):
if tid == 0x111111111:
return struct.pack(
'21Q',
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21)
elif tid == 0x222222222:
return struct.pack(
'21Q',
11,
12,
13,
14,
15,
16,
17,
18,
19,
110,
111,
112,
113,
114,
115,
116,
117,
118,
119,
120,
121)
elif tid == 0x333333333:
return struct.pack(
'21Q',
21,
22,
23,
24,
25,
26,
27,
28,
29,
210,
211,
212,
213,
214,
215,
216,
217,
218,
219,
220,
221)
elif tid == 0x444444444:
return struct.pack(
'21Q',
31,
32,
33,
34,
35,
36,
37,
38,
39,
310,
311,
312,
313,
314,
315,
316,
317,
318,
319,
320,
321)
else:
return struct.pack(
'21Q',
41,
42,
43,
44,
45,
46,
47,
48,
49,
410,
411,
412,
413,
414,
415,
416,
417,
418,
419,
420,
421)
return None
|
