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