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https://github.com/gbdev/rgbds.git
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032e698f46
Updates the object file documentation in mylink.h to match the newest object file format.
129 lines
1.6 KiB
C
129 lines
1.6 KiB
C
#ifndef RGBDS_ASM_LINK_H
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#define RGBDS_ASM_LINK_H
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/* RGB4 .o format:
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*
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* Header
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* Symbols
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* Sections
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*
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* Header:
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* "RGB4"
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* LONG NumberOfSymbols
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* LONG NumberOfSections
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*
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* Symbols:
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* Symbol[NumberOfSymbols]
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*
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* Symbol:
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* char Name (NULL terminated)
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* char nType
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* if (nType != SYM_IMPORT)
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* {
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* LONG SectionID
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* LONG Offset
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* }
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*
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* Sections:
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* Section[NumberOfSections]
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*
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* Section:
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* char SectionName (NULL-terminated)
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* LONG SizeInBytes
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* char Type
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* LONG OrgPosition
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* LONG Bank
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* LONG Alignment
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* if (Type == ROM0 || Type == ROMX)
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* {
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* char Data[SizeInBytes]
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* Patches
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* }
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*
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* Patches:
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* LONG NumberOfPatches
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* Patch[NumberOfPatches]
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*
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* Patch:
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* char Filename NULL-terminated
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* LONG LineNo
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* LONG Offset
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* char Type
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* LONG RpnByteSize
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* Rpn[RpnByteSize]
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*
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* Rpn:
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* Operators: 0x00-0x7F
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* Constants: 0x80 0x00000000
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* Symbols : 0x81 0x00000000
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*
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*/
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enum {
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RPN_ADD = 0,
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RPN_SUB,
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RPN_MUL,
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RPN_DIV,
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RPN_MOD,
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RPN_UNSUB,
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RPN_OR,
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RPN_AND,
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RPN_XOR,
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RPN_UNNOT,
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RPN_LOGAND,
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RPN_LOGOR,
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RPN_LOGUNNOT,
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RPN_LOGEQ,
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RPN_LOGNE,
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RPN_LOGGT,
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RPN_LOGLT,
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RPN_LOGGE,
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RPN_LOGLE,
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RPN_SHL,
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RPN_SHR,
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RPN_BANK,
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RPN_HRAM,
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/* TODO: This hasn't been removed in order not to break compatibility
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* with the existing object files, but it will be removed in a future
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* version. */
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RPN_unused,
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RPN_RANGECHECK,
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RPN_CONST = 0x80,
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RPN_SYM = 0x81
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};
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enum {
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SECT_WRAM0 = 0,
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SECT_VRAM,
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SECT_ROMX,
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SECT_ROM0,
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SECT_HRAM,
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SECT_WRAMX,
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SECT_SRAM,
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SECT_OAM
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};
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enum {
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SYM_LOCAL = 0,
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SYM_IMPORT,
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SYM_EXPORT
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};
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enum {
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PATCH_BYTE = 0,
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PATCH_WORD_L,
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PATCH_LONG_L,
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PATCH_WORD_B,
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PATCH_LONG_B
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};
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#endif
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