diff options
Diffstat (limited to 'lldb/examples/python/disasm-stress-test.py')
| -rwxr-xr-x | lldb/examples/python/disasm-stress-test.py | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/lldb/examples/python/disasm-stress-test.py b/lldb/examples/python/disasm-stress-test.py deleted file mode 100755 index 5aa354dc24cb..000000000000 --- a/lldb/examples/python/disasm-stress-test.py +++ /dev/null @@ -1,168 +0,0 @@ -#!/usr/bin/python - -import argparse, datetime, re, subprocess, sys, time - -parser = argparse.ArgumentParser(description="Run an exhaustive test of the LLDB disassembler for a specific architecture.") - -parser.add_argument('--arch', required=True, action='store', help='The architecture whose disassembler is to be tested') -parser.add_argument('--bytes', required=True, action='store', type=int, help='The byte width of instructions for that architecture') -parser.add_argument('--random', required=False, action='store_true', help='Enables non-sequential testing') -parser.add_argument('--start', required=False, action='store', type=int, help='The first instruction value to test') -parser.add_argument('--skip', required=False, action='store', type=int, help='The interval between instructions to test') -parser.add_argument('--log', required=False, action='store', help='A log file to write the most recent instruction being tested') -parser.add_argument('--time', required=False, action='store_true', help='Every 100,000 instructions, print an ETA to standard out') -parser.add_argument('--lldb', required=False, action='store', help='The path to LLDB.framework, if LLDB should be overridden') - -arguments = sys.argv[1:] - -arg_ns = parser.parse_args(arguments) - -def AddLLDBToSysPathOnMacOSX(): - def GetLLDBFrameworkPath(): - lldb_path = subprocess.check_output(["xcrun", "-find", "lldb"]) - re_result = re.match("(.*)/Developer/usr/bin/lldb", lldb_path) - if re_result == None: - return None - xcode_contents_path = re_result.group(1) - return xcode_contents_path + "/SharedFrameworks/LLDB.framework" - - lldb_framework_path = GetLLDBFrameworkPath() - - if lldb_framework_path == None: - print "Couldn't find LLDB.framework" - sys.exit(-1) - - sys.path.append(lldb_framework_path + "/Resources/Python") - -if arg_ns.lldb == None: - AddLLDBToSysPathOnMacOSX() -else: - sys.path.append(arg_ns.lldb + "/Resources/Python") - -import lldb - -debugger = lldb.SBDebugger.Create() - -if debugger.IsValid() == False: - print "Couldn't create an SBDebugger" - sys.exit(-1) - -target = debugger.CreateTargetWithFileAndArch(None, arg_ns.arch) - -if target.IsValid() == False: - print "Couldn't create an SBTarget for architecture " + arg_ns.arch - sys.exit(-1) - -def ResetLogFile(log_file): - if log_file != sys.stdout: - log_file.seek(0) - -def PrintByteArray(log_file, byte_array): - for byte in byte_array: - print >>log_file, hex(byte) + " ", - print >>log_file - -class SequentialInstructionProvider: - def __init__(self, byte_width, log_file, start=0, skip=1): - self.m_byte_width = byte_width - self.m_log_file = log_file - self.m_start = start - self.m_skip = skip - self.m_value = start - self.m_last = (1 << (byte_width * 8)) - 1 - def PrintCurrentState(self, ret): - ResetLogFile(self.m_log_file) - print >>self.m_log_file, self.m_value - PrintByteArray(self.m_log_file, ret) - def GetNextInstruction(self): - if self.m_value > self.m_last: - return None - ret = bytearray(self.m_byte_width) - for i in range(self.m_byte_width): - ret[self.m_byte_width - (i + 1)] = (self.m_value >> (i * 8)) & 255 - self.PrintCurrentState(ret) - self.m_value += self.m_skip - return ret - def GetNumInstructions(self): - return (self.m_last - self.m_start) / self.m_skip - def __iter__(self): - return self - def next(self): - ret = self.GetNextInstruction() - if ret == None: - raise StopIteration - return ret - -class RandomInstructionProvider: - def __init__(self, byte_width, log_file): - self.m_byte_width = byte_width - self.m_log_file = log_file - self.m_random_file = open("/dev/random", 'r') - def PrintCurrentState(self, ret): - ResetLogFile(self.m_log_file) - PrintByteArray(self.m_log_file, ret) - def GetNextInstruction(self): - ret = bytearray(self.m_byte_width) - for i in range(self.m_byte_width): - ret[i] = self.m_random_file.read(1) - self.PrintCurrentState(ret) - return ret - def __iter__(self): - return self - def next(self): - ret = self.GetNextInstruction() - if ret == None: - raise StopIteration - return ret - -log_file = None - -def GetProviderWithArguments(args): - global log_file - if args.log != None: - log_file = open(args.log, 'w') - else: - log_file = sys.stdout - instruction_provider = None - if args.random == True: - instruction_provider = RandomInstructionProvider(args.bytes, log_file) - else: - start = 0 - skip = 1 - if args.start != None: - start = args.start - if args.skip != None: - skip = args.skip - instruction_provider = SequentialInstructionProvider(args.bytes, log_file, start, skip) - return instruction_provider - -instruction_provider = GetProviderWithArguments(arg_ns) - -fake_address = lldb.SBAddress() - -actually_time = arg_ns.time and not arg_ns.random - -if actually_time: - num_instructions_logged = 0 - total_num_instructions = instruction_provider.GetNumInstructions() - start_time = time.time() - -for inst_bytes in instruction_provider: - if actually_time: - if (num_instructions_logged != 0) and (num_instructions_logged % 100000 == 0): - curr_time = time.time() - elapsed_time = curr_time - start_time - remaining_time = float(total_num_instructions - num_instructions_logged) * (float(elapsed_time) / float(num_instructions_logged)) - print str(datetime.timedelta(seconds=remaining_time)) - num_instructions_logged = num_instructions_logged + 1 - inst_list = target.GetInstructions(fake_address, inst_bytes) - if not inst_list.IsValid(): - print >>log_file, "Invalid instruction list" - continue - inst = inst_list.GetInstructionAtIndex(0) - if not inst.IsValid(): - print >>log_file, "Invalid instruction" - continue - instr_output_stream = lldb.SBStream() - inst.GetDescription(instr_output_stream) - print >>log_file, instr_output_stream.GetData() |