mirror of
https://github.com/NationalSecurityAgency/ghidra.git
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91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/* ###
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* IP: GHIDRA
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* NOTE: Interface to GNU BFD library which is GPL 3
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Use the GNU bfd library to manipulate a load image
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#ifndef __LOADIMAGE_BFD__
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#define __LOADIMAGE_BFD__
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#include "loadimage.hh"
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// bfd.h requires PACKAGE/PACKAGE_VERSION to be defined
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// https://sourceware.org/bugzilla/show_bug.cgi?id=14243
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#ifndef PACKAGE
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#define PACKAGE
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#define __LOADIMAGE_BFD__DEFINED_PACKAGE
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#endif
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#ifndef PACKAGE_VERSION
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#define PACKAGE_VERSION
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#define __LOADIMAGE_BFD__DEFINED_PACKAGE_VERSION
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#endif
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#include <bfd.h>
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#ifdef __LOADIMAGE_BFD__DEFINED_PACKAGE
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#undef PACKAGE
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#undef __LOADIMAGE_BFD__DEFINED_PACKAGE
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#endif
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#ifdef __LOADIMAGE_BFD__DEFINED_PACKAGE_VERSION
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#undef PACKAGE_VERSION
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#undef __LOADIMAGE_BFD__DEFINED_PACKAGE_VERSION
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#endif
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struct ImportRecord {
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string dllname;
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string funcname;
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int ordinal;
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Address address;
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Address thunkaddress;
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};
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class LoadImageBfd : public LoadImage {
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static int4 bfdinit; // Is the library (globally) initialized
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string target; // File format (supported by BFD)
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bfd *thebfd;
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AddrSpace *spaceid; // We need to map space id to segments but since
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// we are currently ignoring segments anyway...
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uintb bufoffset; // Starting offset of byte buffer
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uint4 bufsize; // Number of bytes in the buffer
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uint1 *buffer; // The actual buffer
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mutable asymbol **symbol_table;
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mutable long number_of_symbols;
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mutable long cursymbol;
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mutable asection *secinfoptr;
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asection *findSection(uintb offset,uintb &ssize) const; // Find section containing given offset
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void advanceToNextSymbol(void) const;
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public:
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LoadImageBfd(const string &f,const string &t);
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void attachToSpace(AddrSpace *id) { spaceid = id; }
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void open(void); // Open any descriptors
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void close(void); // Close any descriptor
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void getImportTable(vector<ImportRecord> &irec) { throw LowlevelError("Not implemented"); }
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virtual ~LoadImageBfd(void);
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virtual void loadFill(uint1 *ptr,int4 size,const Address &addr); // Load a chunk of image
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virtual void openSymbols(void) const;
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virtual void closeSymbols(void) const;
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virtual bool getNextSymbol(LoadImageFunc &record) const;
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virtual void openSectionInfo(void) const;
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virtual void closeSectionInfo(void) const;
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virtual bool getNextSection(LoadImageSection &sec) const;
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virtual void getReadonly(RangeList &list) const;
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virtual string getArchType(void) const;
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virtual void adjustVma(long adjust);
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};
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#endif
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