110 lines
2.9 KiB
C++
110 lines
2.9 KiB
C++
#ifndef RELOCATABLEFILE_H
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#define RELOCATABLEFILE_H
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#include <QPair>
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#include <QByteArray>
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#include "genericfile.h"
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#include "util.h"
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typedef enum { RFS1Byte, RFS2Byte } FieldSize;
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typedef enum { ULIsHighByte, ULIsLowByte } WordUpperLower;
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typedef enum { LowHi, HiLow } Endianness;
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typedef enum { ByteLo, ByteHi, ESDSymbol } Byte4Type;
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typedef QPair<Byte4Type, quint8> Byte4ReturnType;
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class RelocatableDictItem {
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public:
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RelocatableDictItem() {init(0,0,0,0); }
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RelocatableDictItem(quint8 rld, quint8 fo_low, quint8 fo_hi, quint8 lbsym) {
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init(rld,fo_low, fo_hi,lbsym);
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}
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RelocatableDictItem(quint8 rld, quint16 fo, quint8 lbsym) {
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init(rld,fo,lbsym);
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}
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void init(quint8 rld, quint8 fo_low, quint8 fo_hi, quint8 lbsym) {
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m_rld_flag = rld;
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m_halfword_or_sym_num = lbsym;
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m_field_offset = makeWord(fo_low,fo_hi);
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}
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void init(quint8 rld, quint16 fo, quint8 lbsym) {
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m_rld_flag = rld;
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m_halfword_or_sym_num = lbsym;
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m_field_offset = fo;
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}
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FieldSize getFieldSize() { return (m_rld_flag & 0x80)?RFS2Byte:RFS1Byte; }
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WordUpperLower getWordBytePos() { return (m_rld_flag & 0x40)?ULIsHighByte:ULIsLowByte; }
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Endianness getEndianness() { return (m_rld_flag & 0x20)?HiLow:LowHi; }
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bool isExtern() { return (m_rld_flag & 0x10); }
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bool isNotEndOfRLD() { return (m_rld_flag & 0x01); }
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bool isEndOfRLD() { return !(m_rld_flag & 0x01); }
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Byte4ReturnType getByte4() {
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Byte4ReturnType retval;
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if (isExtern()) {
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retval.first = ESDSymbol;
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} else if (getWordBytePos() == ULIsHighByte) {
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retval.first = ByteHi;
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} else {
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retval.first = ByteLo;
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}
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retval.second = m_halfword_or_sym_num;
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return retval;
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}
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quint16 getFieldOffset() { return m_field_offset; }
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quint8 getRLDFlag() { return m_rld_flag; }
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quint8 getRawHalfWordOrSymNum() { return m_halfword_or_sym_num; }
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private:
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quint8 m_rld_flag;
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quint16 m_field_offset;
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quint8 m_halfword_or_sym_num;
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};
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class RelocatableFile : public GenericFile
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{
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public:
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RelocatableFile(QByteArray data = QByteArray());
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void setData(QByteArray data);
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virtual quint16 length() { return m_data.length(); }
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void dump();
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QByteArray getBinaryCodeImage() { return m_binary_code_image; }
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QList<RelocatableDictItem> getRelocatableDict() { return m_relocatable_dict; }
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quint16 address() { return m_starting_ram_address; }
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quint16 codeImageLength() { return m_code_image_length; }
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QStringList decodeRelocatableDict();
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protected:
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quint16 m_starting_ram_address;
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quint16 m_ram_image_length;
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quint16 m_code_image_length;
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QByteArray m_binary_code_image;
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QList<RelocatableDictItem> m_relocatable_dict;
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};
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#endif
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