forked from OSchip/llvm-project
105 lines
7.9 KiB
Python
105 lines
7.9 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 type(process) is 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 = { 'tid' : tid, 'name' : 'four' , 'queue' : 'queue4', 'state' : 'stopped', '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 get_register_info() method.
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self.threads = [
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{ 'tid' : 0x111111111, 'name' : 'one' , 'queue' : 'queue1', 'state' : 'stopped', 'stop_reason' : 'breakpoint'},
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{ 'tid' : 0x222222222, 'name' : 'two' , 'queue' : 'queue2', 'state' : 'stopped', 'stop_reason' : 'none' },
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{ 'tid' : 0x333333333, 'name' : 'three', 'queue' : 'queue3', 'state' : 'stopped', 'stop_reason' : 'trace' , 'register_data_addr' : 0x100000000 }
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]
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return self.threads
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def get_register_info(self):
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if self.registers == 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('21Q',1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21);
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elif tid == 0x222222222:
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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);
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elif tid == 0x333333333:
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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);
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elif tid == 0x444444444:
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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);
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else:
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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);
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return None
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