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https://github.com/gbdev/rgbds.git
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90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
/* SPDX-License-Identifier: MIT */
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#ifndef RGBDS_SECTION_H
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#define RGBDS_SECTION_H
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#include <deque>
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#include <stdint.h>
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#include <vector>
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#include "linkdefs.hpp"
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extern uint8_t fillByte;
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struct Expression;
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struct FileStackNode;
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struct Section;
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struct Patch {
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FileStackNode const *src;
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uint32_t lineNo;
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uint32_t offset;
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Section *pcSection;
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uint32_t pcOffset;
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uint8_t type;
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std::vector<uint8_t> rpn;
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};
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struct Section {
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std::string name;
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enum SectionType type;
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enum SectionModifier modifier;
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FileStackNode const *src; // Where the section was defined
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uint32_t fileLine; // Line where the section was defined
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uint32_t size;
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uint32_t org;
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uint32_t bank;
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uint8_t align; // Exactly as specified in `ALIGN[]`
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uint16_t alignOfs;
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std::deque<Patch> patches;
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std::vector<uint8_t> data;
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bool isSizeKnown() const;
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};
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struct SectionSpec {
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uint32_t bank;
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uint8_t alignment;
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uint16_t alignOfs;
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};
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extern std::deque<Section> sectionList;
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extern Section *currentSection;
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Section *sect_FindSectionByName(char const *name);
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void sect_NewSection(char const *name, enum SectionType type, uint32_t org,
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SectionSpec const *attributes, enum SectionModifier mod);
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void sect_SetLoadSection(char const *name, enum SectionType type, uint32_t org,
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SectionSpec const *attributes, enum SectionModifier mod);
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void sect_EndLoadSection();
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Section *sect_GetSymbolSection();
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uint32_t sect_GetSymbolOffset();
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uint32_t sect_GetOutputOffset();
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uint32_t sect_GetAlignBytes(uint8_t alignment, uint16_t offset);
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void sect_AlignPC(uint8_t alignment, uint16_t offset);
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void sect_StartUnion();
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void sect_NextUnionMember();
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void sect_EndUnion();
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void sect_CheckUnionClosed();
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void sect_AbsByte(uint8_t b);
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void sect_AbsByteGroup(uint8_t const *s, size_t length);
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void sect_AbsWordGroup(uint8_t const *s, size_t length);
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void sect_AbsLongGroup(uint8_t const *s, size_t length);
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void sect_Skip(uint32_t skip, bool ds);
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void sect_RelByte(Expression *expr, uint32_t pcShift);
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void sect_RelBytes(uint32_t n, std::vector<Expression> &exprs);
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void sect_RelWord(Expression *expr, uint32_t pcShift);
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void sect_RelLong(Expression *expr, uint32_t pcShift);
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void sect_PCRelByte(Expression *expr, uint32_t pcShift);
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void sect_BinaryFile(char const *s, int32_t startPos);
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void sect_BinaryFileSlice(char const *s, int32_t start_pos, int32_t length);
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void sect_EndSection();
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void sect_PushSection();
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void sect_PopSection();
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#endif // RGBDS_SECTION_H
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