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[/] [forwardcom/] [bintools/] [library.h] - Blame information for rev 35

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1 35 Agner
/****************************  library.h   ********************************
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* Author:        Agner Fog
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* date created:  2017-11-08
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* Last modified: 2018-03-30
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* Version:       1.10
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* Project:       Binary tools for ForwardCom instruction set
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* Module:        library.h
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* Description:
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* header file for library manager
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*
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* Copyright 2017-2020 GNU General Public License http://www.gnu.org/licenses
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*****************************************************************************/
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// Structure for list of library members
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struct SLibMember {
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    uint32_t name;                     // member name as index into cmd.fileNameBuffer
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    uint32_t oldOffset;                // offset in old library file
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    uint32_t newOffset;                // offset in new library file
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    uint32_t size;                     // size, not including library header
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    uint32_t action;                   // 1: preserve, 2: add or replace, 3: delete, 5: extract
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};
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// operator < for sorting library member list by name
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static inline bool operator < (SLibMember const & a, SLibMember const & b) {
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    return strcmp(cmd.getFilename(a.name), cmd.getFilename(b.name)) < 0;
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}
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// remove path from file name
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const char * removePath(const char * filename);
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// Class for extracting members from library or building a library
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class CLibrary : public CFileBuffer {
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public:
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    CLibrary();                                  // Constructor
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    void go();                                   // Do whatever the command line says
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    const char * getMemberName(uint32_t memberOffset); // Get name of a library member
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    uint32_t getMemberSize(uint32_t memberOffset); // get size of a library member
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    void findLongNames();                        // Find longNames record
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    uint32_t findSymbol(const char * name);      // Find exported symbol in library
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    bool isForwardCom();                         // check if this is a ForwardCom library
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    void addELF(CELF & elf);                     // make library from CELF modules during relinking
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    void makeInternalLibrary();                  // make a library for internal use during relinking
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    uint32_t findMember(uint32_t name);          // Find a module. name is an index into cmd.fileNameBuffer
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    uint32_t libraryName;                        // file name as index into cmd.fileNameBuffer
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    bool relinkable;                             // library can be replaced by relinking
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protected:
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    void checkActionList();                      // Check action list for errors
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    void makeMemberList();                       // Make list of library member names
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    void runActionList();                        // Run through commands from command line
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    void addMember(uint32_t filename, uint32_t membername); // Add object file to library member list
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    void deleteMember(uint32_t membername);      // Add object file to library
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    void extractMember(uint32_t filename, uint32_t membername); // Extract member from library
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    void extractAllMembers();                    // Extract all members from library
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    void listMembers();                          // List all library members
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    void generateNewLibraryBody();               // Generate data contents of new library from old one and additional object files
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    void makeBinaryFile();                       // Make library header, symbol table, longnames record, data
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    void checkDuplicateSymbols(CDynamicArray<SSymbolEntry>& symbolList);// Check if symbollist contains duplicate names
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    int32_t  alignBy;                            // member alignment = 4
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    uint32_t longNames;                          // offset to long names record
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    uint32_t longNamesSize;                      // size of long names record
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    CDynamicArray<SLibMember> members;           // list of member names
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    CFileBuffer outFile;                         // Buffer for building output file
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    CELF memberBuffer;                           // Buffer containing single library member
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    CMemoryBuffer dataBuffer;                    // Buffer containing raw members
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    //friend class CLinker;
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};

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