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Candidate release of source code.

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Dan 2019-03-26 13:45:32 -04:00
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Ghidra/Features/Decompiler/src/decompile/cpp/ghidra_translate.hh Normal file
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/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/// \file ghidra_translate.hh
/// \brief Class for fetching p-code from a Ghidra client
#ifndef __TRANSLATE_GHIDRA__
#define __TRANSLATE_GHIDRA__
#include "translate.hh"
#include "ghidra_arch.hh"
/// \brief An implementation of Translate that queries a Ghidra client for p-code information
///
/// This class provides:
/// - P-code for instructions and
/// - Register names
///
/// by sending a request to a Ghidra client and decoding the response.
/// Messages are generally based on an XML format, but p-code responses in particular
/// have a tight internal encoding.
class GhidraTranslate : public Translate {
ArchitectureGhidra *glb; ///< The Ghidra Architecture and connection to the client
mutable map<string,VarnodeData> nm2addr; ///< Mapping from register name to Varnode
mutable map<VarnodeData,string> addr2nm; ///< Mapping rom Varnode to register name
const VarnodeData &cacheRegister(const string &nm,const VarnodeData &data) const;
void restoreXml(const Element *el); ///< Initialize \b this Translate from XML
public:
GhidraTranslate(ArchitectureGhidra *g) { glb = g; } ///< Constructor
virtual void initialize(DocumentStorage &store);
virtual void addRegister(const string &nm,AddrSpace *base,uintb offset,int4 size) {
throw LowlevelError("Cannot add register name into GHIDRA through this interface"); }
virtual const VarnodeData &getRegister(const string &nm) const;
virtual string getRegisterName(AddrSpace *base,uintb off,int4 size) const;
virtual void getAllRegisters(map<VarnodeData,string> &reglist) const {
throw LowlevelError("Cannot currently get all registers through this interface"); }
virtual void getUserOpNames(vector<string> &res) const;
virtual int4 oneInstruction(PcodeEmit &emit,const Address &baseaddr) const;
virtual int4 instructionLength(const Address &baseaddr) const {
throw LowlevelError("Cannot currently get instruction length through this interface"); }
virtual int4 printAssembly(AssemblyEmit &emit,const Address &baseaddr) const {
throw LowlevelError("Cannot dump assembly through this interface"); }
};
#endif