1 #ifndef ROSE_BinaryAnalysis_InstructionSemantics_BaseSemantics_Dispatcher_H
2 #define ROSE_BinaryAnalysis_InstructionSemantics_BaseSemantics_Dispatcher_H
3 #include <featureTests.h>
4 #ifdef ROSE_ENABLE_BINARY_ANALYSIS
6 #include <Rose/BinaryAnalysis/BasicTypes.h>
8 #include <boost/enable_shared_from_this.hpp>
9 #include <boost/serialization/access.hpp>
10 #include <boost/serialization/export.hpp>
11 #include <boost/serialization/nvp.hpp>
12 #include <boost/serialization/shared_ptr.hpp>
15 namespace BinaryAnalysis {
16 namespace InstructionSemantics {
43 class Dispatcher:
public boost::enable_shared_from_this<Dispatcher> {
58 typedef std::vector<InsnProcessor*> InsnProcessors;
59 InsnProcessors iproc_table;
61 #ifdef ROSE_HAVE_BOOST_SERIALIZATION_LIB
63 friend class boost::serialization::access;
66 void serialize(S &s,
const unsigned ) {
67 s & boost::serialization::make_nvp(
"operators", operators_);
68 s & BOOST_SERIALIZATION_NVP(regdict);
69 s & BOOST_SERIALIZATION_NVP(addrWidth_);
70 s & BOOST_SERIALIZATION_NVP(autoResetInstructionPointer_);
virtual void incrementRegisters(SgAsmExpression *)
Increment all auto-increment registers in the expression.
Base classes for instruction semantics.
virtual RegisterDescriptor stackFrameRegister() const =0
Returns the stack call frame register.
virtual RegisterDescriptor callReturnRegister() const =0
Returns the function call return address register.
virtual DispatcherPtr create(const RiscOperatorsPtr &ops, size_t addrWidth, const RegisterDictionaryPtr &) const =0
Virtual constructor.
virtual SValuePtr undefined_(size_t nbits) const
Return a new undefined semantic value.
virtual InsnProcessor * iprocLookup(SgAsmInstruction *insn)
Lookup the processor for an instruction.
boost::shared_ptr< RiscOperators > RiscOperatorsPtr
Shared-ownership pointer to a RISC operators object.
Base class for machine instructions.
bool autoResetInstructionPointer_
Reset instruction pointer register for each instruction.
virtual RegisterDescriptor segmentRegister(SgAsmMemoryReferenceExpression *)
Returns a register descriptor for the segment part of a memory reference expression.
virtual void iprocReplace(SgAsmInstruction *insn, InsnProcessor *iproc)
Replace an instruction processor with another.
bool autoResetInstructionPointer() const
Property: Reset instruction pointer register for each instruction.
virtual void advanceInstructionPointer(SgAsmInstruction *)
Update the instruction pointer register.
virtual RegisterDescriptor findRegister(const std::string ®name, size_t nbits=0, bool allowMissing=false) const
Lookup a register by name.
virtual int iprocKey(SgAsmInstruction *) const =0
Given an instruction, return the InsnProcessor key that can be used as an index into the iproc_table...
Main namespace for the ROSE library.
virtual RegisterDescriptor instructionPointerRegister() const =0
Returns the instruction pointer register.
virtual InsnProcessor * iprocGet(int key)
Obtain an iproc table entry for the specified key.
RegisterDictionaryPtr registerDictionary() const
Property: Register dictionary.
virtual void initializeState(const StatePtr &)
Initialize the state.
boost::shared_ptr< State > StatePtr
Shared-ownership pointer to a semantic state.
boost::shared_ptr< Dispatcher > DispatcherPtr
Shared-ownership pointer to a semantics instruction dispatcher.
virtual void processInstruction(SgAsmInstruction *insn)
Process a single instruction.
Dispatches instructions through the RISC layer.
Reference to memory locations.
virtual SValuePtr read(SgAsmExpression *, size_t value_nbits=0, size_t addr_nbits=0)
Reads an R-value expression.
Functor that knows how to dispatch a single kind of instruction.
Describes (part of) a physical CPU register.
virtual SgAsmInstruction * currentInstruction() const
Returns the instruction that is being processed.
size_t addressWidth() const
Property: Width of memory addresses.
virtual StatePtr currentState() const
Get a pointer to the state object.
virtual void iprocSet(int key, InsnProcessor *iproc)
Set an iproc table entry to the specified value.
virtual SValuePtr unspecified_(size_t nbits) const
Return a new undefined semantic value.
virtual RegisterDescriptor stackPointerRegister() const =0
Returns the stack pointer register.
Base class for expressions.
virtual void preUpdate(SgAsmExpression *, const BaseSemantics::SValuePtr &enabled)
Update registers for pre-add expressions.
virtual void write(SgAsmExpression *, const SValuePtr &value, size_t addr_nbits=0)
Writes to an L-value expression.
DispatcherPtr Ptr
Shared-ownership pointer.
virtual SValuePtr effectiveAddress(SgAsmExpression *, size_t nbits=0)
Returns a memory address by evaluating the address expression.
virtual SValuePtr protoval() const
Return the prototypical value.
virtual void postUpdate(SgAsmExpression *, const BaseSemantics::SValuePtr &enabled)
Update registers for post-add expressions.
size_t addrWidth_
Width of memory addresses in bits.
virtual void decrementRegisters(SgAsmExpression *)
Decrement all auto-decrement registers in the expression.
void autoResetInstructionPointer(bool b)
Property: Reset instruction pointer register for each instruction.
RegisterDictionaryPtr regdict
See registerDictionary property.
virtual SValuePtr number_(size_t nbits, uint64_t number) const
Return a semantic value representing a number.
virtual RiscOperatorsPtr operators() const
Property: RISC operators.