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2e4c42719b
* split game states * split all GameState headers * match fig names * deduplicate headers from bad merge * split z64actor.h into z64actor_profile.h, z_actor_dlftbls.h * fix compile error * .bss
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
#ifndef LIBU64_OVERLAY_H
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#define LIBU64_OVERLAY_H
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#include "ultra64.h"
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/* Relocation entry field getters */
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#define RELOC_SECTION(reloc) ((reloc) >> 30)
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#define RELOC_OFFSET(reloc) ((reloc) & 0xFFFFFF)
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#define RELOC_TYPE_MASK(reloc) ((reloc) & 0x3F000000)
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#define RELOC_TYPE_SHIFT 24
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/* MIPS Relocation Types, matches the MIPS ELF spec */
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#define R_MIPS_32 2
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#define R_MIPS_26 4
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#define R_MIPS_HI16 5
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#define R_MIPS_LO16 6
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/* Reloc section id, must fit in 2 bits otherwise the relocation format must be modified */
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typedef enum RelocSectionId {
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/* 0 */ RELOC_SECTION_NULL,
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/* 1 */ RELOC_SECTION_TEXT,
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/* 2 */ RELOC_SECTION_DATA,
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/* 3 */ RELOC_SECTION_RODATA,
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/* 4 */ RELOC_SECTION_MAX
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} RelocSectionId;
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typedef struct OverlayRelocationSection {
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/* 0x00 */ u32 textSize;
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/* 0x04 */ u32 dataSize;
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/* 0x08 */ u32 rodataSize;
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/* 0x0C */ u32 bssSize;
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/* 0x10 */ u32 nRelocations;
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/* 0x14 */ u32 relocations[1]; // size is nRelocations
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} OverlayRelocationSection; // size >= 0x18
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extern s32 gOverlayLogSeverity;
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void* Overlay_AllocateAndLoad(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd);
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void Overlay_Relocate(void* allocatedRamAddr, OverlayRelocationSection* ovlRelocs, void* vramStart);
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size_t Overlay_Load(uintptr_t vromStart, uintptr_t vromEnd, void* vramStart, void* vramEnd, void* allocatedRamAddr);
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#endif
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