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https://github.com/gbdev/rgbds.git
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110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
// SPDX-License-Identifier: MIT
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#ifndef RGBDS_ASM_SECTION_HPP
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#define RGBDS_ASM_SECTION_HPP
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#include <deque>
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#include <memory>
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#include <stdint.h>
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#include <string>
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#include <unordered_map>
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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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std::shared_ptr<FileStackNode> 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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SectionType type;
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SectionModifier modifier;
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std::shared_ptr<FileStackNode> 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 std::unordered_map<std::string, size_t> sectionMap; // Indexes into `sectionList`
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extern Section *currentSection;
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Section *sect_FindSectionByName(std::string const &name);
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void sect_NewSection(
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std::string const &name,
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SectionType type,
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uint32_t org,
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SectionSpec const &attrs,
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SectionModifier mod
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);
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void sect_SetLoadSection(
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std::string const &name,
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SectionType type,
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uint32_t org,
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SectionSpec const &attrs,
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SectionModifier mod
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);
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void sect_EndLoadSection(char const *cause);
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void sect_CheckLoadClosed();
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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_CheckSizes();
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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_ConstByte(uint8_t byte);
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void sect_ByteString(std::vector<int32_t> const &string);
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void sect_WordString(std::vector<int32_t> const &string);
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void sect_LongString(std::vector<int32_t> const &string);
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void sect_Skip(uint32_t skip, bool ds);
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void sect_RelByte(Expression const &expr, uint32_t pcShift);
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void sect_RelBytes(uint32_t n, std::vector<Expression> const &exprs);
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void sect_RelWord(Expression const &expr, uint32_t pcShift);
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void sect_RelLong(Expression const &expr, uint32_t pcShift);
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void sect_PCRelByte(Expression const &expr, uint32_t pcShift);
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void sect_BinaryFile(std::string const &name, uint32_t startPos);
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void sect_BinaryFileSlice(std::string const &name, uint32_t startPos, uint32_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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void sect_CheckStack();
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std::string sect_PushSectionFragmentLiteral();
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#endif // RGBDS_ASM_SECTION_HPP
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