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https://github.com/gbdev/rgbds.git
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133 lines
2.8 KiB
C++
133 lines
2.8 KiB
C++
/* SPDX-License-Identifier: MIT */
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#ifndef RGBDS_LINKDEFS_HPP
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#define RGBDS_LINKDEFS_HPP
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#include <stdint.h>
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#include <string>
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#include "helpers.hpp" // assume
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#define RGBDS_OBJECT_VERSION_STRING "RGB9"
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#define RGBDS_OBJECT_REV 10U
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enum AssertionType { ASSERT_WARN, ASSERT_ERROR, ASSERT_FATAL };
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enum RPNCommand {
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RPN_ADD = 0x00,
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RPN_SUB = 0x01,
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RPN_MUL = 0x02,
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RPN_DIV = 0x03,
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RPN_MOD = 0x04,
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RPN_NEG = 0x05,
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RPN_EXP = 0x06,
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RPN_OR = 0x10,
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RPN_AND = 0x11,
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RPN_XOR = 0x12,
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RPN_NOT = 0x13,
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RPN_LOGAND = 0x21,
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RPN_LOGOR = 0x22,
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RPN_LOGNOT = 0x23,
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RPN_LOGEQ = 0x30,
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RPN_LOGNE = 0x31,
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RPN_LOGGT = 0x32,
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RPN_LOGLT = 0x33,
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RPN_LOGGE = 0x34,
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RPN_LOGLE = 0x35,
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RPN_SHL = 0x40,
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RPN_SHR = 0x41,
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RPN_USHR = 0x42,
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RPN_BANK_SYM = 0x50,
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RPN_BANK_SECT = 0x51,
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RPN_BANK_SELF = 0x52,
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RPN_SIZEOF_SECT = 0x53,
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RPN_STARTOF_SECT = 0x54,
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RPN_SIZEOF_SECTTYPE = 0x55,
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RPN_STARTOF_SECTTYPE = 0x56,
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RPN_HRAM = 0x60,
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RPN_RST = 0x61,
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RPN_CONST = 0x80,
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RPN_SYM = 0x81
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};
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enum SectionType {
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SECTTYPE_WRAM0,
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SECTTYPE_VRAM,
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SECTTYPE_ROMX,
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SECTTYPE_ROM0,
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SECTTYPE_HRAM,
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SECTTYPE_WRAMX,
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SECTTYPE_SRAM,
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SECTTYPE_OAM,
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// In RGBLINK, this is used for "indeterminate" sections; this is primarily for SDCC
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// areas, which do not carry any section type info and must be told from the linker script
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SECTTYPE_INVALID
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};
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enum FileStackNodeType {
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NODE_REPT,
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NODE_FILE,
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NODE_MACRO,
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};
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// Nont-`const` members may be patched in RGBLINK depending on CLI flags
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extern struct SectionTypeInfo {
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std::string const name;
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uint16_t const startAddr;
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uint16_t size;
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uint32_t const firstBank;
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uint32_t lastBank;
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} sectionTypeInfo[SECTTYPE_INVALID];
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/*
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* Tells whether a section has data in its object file definition,
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* depending on type.
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* @param type The section's type
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* @return `true` if the section's definition includes data
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*/
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static inline bool sect_HasData(SectionType type) {
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assume(type != SECTTYPE_INVALID);
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return type == SECTTYPE_ROM0 || type == SECTTYPE_ROMX;
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}
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/*
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* Computes a memory region's end address (last byte), eg. 0x7FFF
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* @return The address of the last byte in that memory region
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*/
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static inline uint16_t endaddr(SectionType type) {
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return sectionTypeInfo[type].startAddr + sectionTypeInfo[type].size - 1;
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}
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/*
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* Computes a memory region's number of banks
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* @return The number of banks, 1 for regions without banking
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*/
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static inline uint32_t nbbanks(SectionType type) {
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return sectionTypeInfo[type].lastBank - sectionTypeInfo[type].firstBank + 1;
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}
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enum SectionModifier { SECTION_NORMAL, SECTION_UNION, SECTION_FRAGMENT };
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extern char const * const sectionModNames[];
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enum ExportLevel { SYMTYPE_LOCAL, SYMTYPE_IMPORT, SYMTYPE_EXPORT };
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enum PatchType {
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PATCHTYPE_BYTE,
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PATCHTYPE_WORD,
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PATCHTYPE_LONG,
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PATCHTYPE_JR,
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PATCHTYPE_INVALID
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};
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#endif // RGBDS_LINKDEFS_HPP
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