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https://github.com/lifting-bits/mcsema
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a simple scripts to show the details in a cfg file (#780)
to use this ,you have to put the CFG_pb2.py file,which from the mcsema/tools/mcsema_disass/ida7/ ,into the same dir with this script type python show_cfg.py "xxx.cfg" "xxx.txt" the first arg is the location of the cfg file you want to see, like "./maze.cfg" the second arg is the location of the generated cfg details if the cfg file, like "./cfgdetails.txt"
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Stephen-lei
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#! /usr/bin/env python
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#to use this ,you have to put the CFG_pb2.py file,which from the mcsema/tools/mcsema_disass/ida7/ ,into the same dir with this script
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# type python show_cfg.py "xxx.cfg" "xxx.txt"
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# the first arg is location of the cfg file you want to see,like "./maze.cfg"
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# the second arg is the location of the generated cfg details if the cfg file,like "./cfgdetails.txt"
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from sys import argv
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import CFG_pb2
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def ListModule(module,g):
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print("module name:",module.name,file=g)
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print('\n',file=g)
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#Function
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print("The Functions in the Module:",file=g)
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print('\n',file=g)
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for function in module.funcs:
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print("###########################################################",file=g)
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print("function name :", function.name,file=g)
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print("function ea :", function.ea,file=g)
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print("function is_entrypoint :", function.is_entrypoint,file=g)
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print("The blocks in the function:",file=g)
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print('\n',file=g)
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#The blocks in the Function
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for block in function.blocks:
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print("---------------------------------------------------------",file=g)
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print("block ea",block.ea,file=g)
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print("block is_referenced_by_data",block.is_referenced_by_data,file=g)
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print("The instructions in the block:",file=g)
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print('\n',file=g)
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#The Instruction in the Block
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for instruction in block.instructions:
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print("instruction ea",instruction.ea,file=g)
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print("instruction lp_ea",instruction.lp_ea,file=g)
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print("The codereferences of the instruction:",file=g)
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print('\n',file=g)
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#The CodeReference of the Instruction
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for codereference in instruction.xrefs:
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if codereference.operand_type == CFG_pb2.CodeReference.OperandType.ImmediateOperand:
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print("codereference operand_type ImmediateOperand",file=g)
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elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.MemoryOperand:
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print("codereference operand_type MemoryOperand",file=g)
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elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.MemoryDisplacementOperand:
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print("codereference operand_type MemoryDisplacementOperand",file=g)
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elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.ControlFlowOperand:
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print("codereference operand_type ControlFlowOperand",file=g)
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elif codereference.operand_type == CFG_pb2.CodeReference.OperandType.OffsetTable:
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print("codereference operand_type OffsetTable",file=g)
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print("codereference ea",codereference.ea,file=g)
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print("codereference mask",codereference.mask,file=g)
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print('\n',file=g)
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#The successor in the block
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for successor in block.successor_eas:
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print("successor ea",successor,file=g)
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print("---------------------------------------------------------",file=g)
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print('\n',file=g)
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#The ExceptionFrame of the Function
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print("The exceptionframes in the Function:",file=g)
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print('\n',file=g)
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for exceptionframe in function.eh_frame:
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print("exceptionframe func_ea",exceptionframe.func_ea,file=g)
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print("exceptionframe start_ea",exceptionframe.start_ea,file=g)
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print("exceptionframe end_ea",exceptionframe.end_ea,file=g)
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print("exceptionframe lp_eaa",exceptionframe.lp_ea,file=g)
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if exceptionframe.action == CFG_pb2.ExceptionFrame.Action.Cleanup:
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print("exceptionframe action Cleanup",file=g)
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elif exceptionframe.action == CFG_pb2.ExceptionFrame.Action.Catch:
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print("exceptionframe action Catch",file=g)
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#The ExternalVariable of the ExceptionFrame
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print("The externalvariables in the ExceptionFrame:",file=g)
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print('\n',file=g)
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for externalvariable in function.ttype:
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print("externalvariable name",externalvariable.name,file=g)
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print("externalvariable ea",externalvariable.ea,file=g)
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print("externalvariable size",externalvariable.size,file=g)
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print("externalvariable is_weak",externalvariable.is_weak,file=g)
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print("externalvariable is_thread_local",externalvariable.is_thread_local,file=g)
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print('\n',file=g)
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print('\n',file=g)
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print("FunctionDecl",function.decl,file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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print("The Segments in the module:",file=g)
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print('\n',file=g)
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#Segments in the Module
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for segment in module.segments:
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print("###########################################################",file=g)
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print("segment ea :", segment.ea,file=g)
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print("segment data :", segment.data.hex(),file=g)
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print("segment read_only :", segment.read_only,file=g)
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print("segment is_external :", segment.is_external,file=g)
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print("segment name :", segment.name,file=g)
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print("segment variable_name :", segment.variable_name,file=g)
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print("segment is_exported :", segment.is_exported,file=g)
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print("segment is_thread_local :", segment.is_thread_local,file=g)
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#Datareferences of the Segment
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print("The datareferences in the Segment:",file=g)
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print('\n',file=g)
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for datareference in segment.xrefs:
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print("datareference ea",datareference.ea,file=g)
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print("datareference width",datareference.width,file=g)
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print("datareference target_ea",datareference.target_ea,file=g)
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if datareference.target_fixup_kind == CFG_pb2.DataReference.TargetFixupKind.Absolute:
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print("datareference target_fixup_kind Absolute",file=g)
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elif datareference.target_fixup_kind == CFG_pb2.DataReference.TargetFixupKind.OffsetFromThreadBase:
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print("datareference target_fixup_kind OffsetFromThreadBase",file=g)
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print('\n',file=g)
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#Variables in the Segment
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print("The variables in the Segment:",file=g)
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print('\n',file=g)
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for variable in segment.vars:
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print("variable ea",variable.ea,file=g)
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print("variable name",variable.name,file=g)
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print('\n',file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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#The ExternalFunctions in the Module
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print("The ExternalFunctions in the Module:",file=g)
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print('\n',file=g)
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for externalfunction in module.external_funcs:
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print("###########################################################",file=g)
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print("externalfunction ea :", externalfunction.ea,file=g)
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print("externalfunction name :", externalfunction.name,file=g)
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print("externalfunction has_return :", externalfunction.has_return,file=g)
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print("externalfunction no_return :", externalfunction.no_return,file=g)
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print("externalfunction argument_count :", externalfunction.argument_count,file=g)
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print("externalfunction is_weak :", externalfunction.is_weak,file=g)
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print("externalfunction FunctionDecl :", externalfunction.decl,file=g)
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if externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.CallerCleanup:
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print("externalfunction CallingConvention CallerCleanup",file=g)
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elif externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.CalleeCleanup:
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print("externalfunction CallingConvention CalleeCleanup",file=g)
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elif externalfunction.cc == CFG_pb2.ExternalFunction.CallingConvention.FastCall:
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print("externalfunction CallingConvention FastCall",file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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#The ExternalVariable in the Module
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print("The ExternalVariable in the Module:",file=g)
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print('\n',file=g)
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for externalvariable in module.external_vars:
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print("###########################################################",file=g)
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print("externalvariable name :", externalvariable.name,file=g)
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print("externalvariable ea :", externalvariable.ea,file=g)
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print("externalvariable size :", externalvariable.size,file=g)
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print("externalvariable is_weak :", externalvariable.is_weak,file=g)
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print("externalvariable is_thread_local :", externalvariable.is_thread_local,file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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#The GlobalVariable in the Module
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print("The GlobalVariable in the Module:",file=g)
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print('\n',file=g)
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for globalvariable in module.global_vars:
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print("###########################################################",file=g)
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print("globalvariable ea :", externalvariable.ea,file=g)
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print("globalvariable name :", externalvariable.name,file=g)
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print("globalvariable size :", externalvariable.size,file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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#The PreservedRegister in the Module
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print("The PreservedRegister in the Module:",file=g)
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print('\n',file=g)
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for preservedregister in module.preserved_regs:
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print("###########################################################",file=g)
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print("preservedregister registers :", preservedregister.registers,file=g)
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#The PreservationRange in the PreservedRegister
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print("The PreservationRange in the PreservedRegister:",file=g)
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print('\n',file=g)
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for preservationrange in preservedregister.ranges:
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print("preservationrange begin_ea",preservationrange.begin_ea,file=g)
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print("preservationrange end_ea",preservationrange.end_ea,file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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#The DeadRegisters in the Module
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print("The DeadRegisters in the Module:",file=g)
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print('\n',file=g)
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for deadregister in module.dead_regs:
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print("###########################################################",file=g)
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print("deadregister registers :", deadregister.registers,file=g)
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#The PreservationRange in the DeadRegister
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print("The PreservationRange in the DeadRegister:",file=g)
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print('\n',file=g)
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for dpreservationrange in deadregister.ranges:
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print("dpreservationrange begin_ea",dpreservationrange.begin_ea,file=g)
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print("dpreservationrange end_ea",dpreservationrange.end_ea,file=g)
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print("###########################################################",file=g)
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print('\n',file=g)
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def read_test():
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module=CFG_pb2.Module()
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first = argv[1]
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module_file = first
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f = open(module_file, "rb")
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module.ParseFromString(f.read())
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f.close()
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second = argv[2]
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g = open(second,'w')
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ListModule(module,g)
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g.close()
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if __name__ == "__main__":
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read_test()
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