ref: 696feae32e87473811b59da174d7841a165ec42d
dir: /include/asm/symbol.h/
/* * This file is part of RGBDS. * * Copyright (c) 1997-2018, Carsten Sorensen and RGBDS contributors. * * SPDX-License-Identifier: MIT */ #ifndef RGBDS_SYMBOL_H #define RGBDS_SYMBOL_H #include <stdint.h> #include "types.h" #define HASHSIZE (1 << 16) #define MAXSYMLEN 256 struct sSymbol { char tzName[MAXSYMLEN + 1]; int32_t nValue; uint32_t nType; struct sSymbol *pScope; struct sSymbol *pNext; struct Section *pSection; uint32_t ulMacroSize; char *pMacro; int32_t (*Callback)(struct sSymbol *); char tzFileName[_MAX_PATH + 1]; /* File where the symbol was defined. */ uint32_t nFileLine; /* Line where the symbol was defined. */ }; /* Symbol will be relocated during linking, it's absolute value is unknown */ #define SYMF_RELOC 0x001 /* Symbol is defined using EQU, will not be changed during linking */ #define SYMF_EQU 0x002 /* Symbol is (re)defined using SET, will not be changed during linking */ #define SYMF_SET 0x004 /* Symbol should be exported */ #define SYMF_EXPORT 0x008 /* Symbol referenced in RPN expression */ #define SYMF_REF 0x010 /* Symbol is a local symbol */ #define SYMF_LOCAL 0x020 /* Symbol has been defined, not only referenced */ #define SYMF_DEFINED 0x040 /* Symbol is a macro */ #define SYMF_MACRO 0x080 /* Symbol is a stringsymbol */ #define SYMF_STRING 0x100 /* Symbol has a constant value, will not be changed during linking */ #define SYMF_CONST 0x200 uint32_t sym_CalcHash(const char *s); void sym_SetExportAll(uint8_t set); void sym_AddLocalReloc(char *tzSym); void sym_AddReloc(char *tzSym); void sym_Export(char *tzSym); void sym_PrintSymbolTable(void); struct sSymbol *sym_FindMacro(char *s); void sym_InitNewMacroArgs(void); void sym_AddNewMacroArg(char *s); void sym_SaveCurrentMacroArgs(char *save[]); void sym_RestoreCurrentMacroArgs(char *save[]); void sym_UseNewMacroArgs(void); void sym_AddEqu(char *tzSym, int32_t value); void sym_AddSet(char *tzSym, int32_t value); void sym_Init(void); uint32_t sym_GetConstantValue(char *s); uint32_t sym_isConstant(char *s); struct sSymbol *sym_FindSymbol(char *tzName); char *sym_FindMacroArg(int32_t i); char *sym_GetStringValue(char *tzSym); void sym_UseCurrentMacroArgs(void); void sym_SetMacroArgID(uint32_t nMacroCount); uint32_t sym_isString(char *tzSym); void sym_AddMacro(char *tzSym, int32_t nDefLineNo); void sym_Ref(char *tzSym); void sym_ShiftCurrentMacroArgs(void); void sym_AddString(char *tzSym, char *tzValue); uint32_t sym_GetDefinedValue(char *s); uint32_t sym_isDefined(char *tzName); void sym_Purge(char *tzName); uint32_t sym_isConstDefined(char *tzName); int32_t sym_IsRelocDiffDefined(char *tzSym1, char *tzSym2); /* Functions to save and restore the current symbol scope. */ struct sSymbol *sym_GetCurrentSymbolScope(void); void sym_SetCurrentSymbolScope(struct sSymbol *pNewScope); #endif /* RGBDS_SYMBOL_H */