mirror of https://github.com/zeldaret/tp
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
#ifndef OSLINK_H
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#define OSLINK_H
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#include "dolphin/types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define OS_MODULE_VERSION 3
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typedef struct OSModuleHeader OSModuleHeader;
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typedef u32 OSModuleID;
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typedef struct OSModuleQueue OSModuleQueue;
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typedef struct OSModuleLink OSModuleLink;
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typedef struct OSModuleInfo OSModuleInfo;
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typedef struct OSSectionInfo OSSectionInfo;
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typedef struct OSImportInfo OSImportInfo;
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typedef struct OSRel OSRel;
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struct OSModuleQueue {
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OSModuleInfo* head;
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OSModuleInfo* tail;
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};
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OSModuleQueue __OSModuleList AT_ADDRESS(0x800030C8);
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void* __OSStringTable AT_ADDRESS(0x800030D0);
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struct OSModuleLink {
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OSModuleInfo* next;
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OSModuleInfo* prev;
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};
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struct OSSectionInfo {
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u32 offset;
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u32 size;
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};
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struct OSModuleInfo {
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OSModuleID id; // unique identifier for the module
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OSModuleLink link; // doubly linked list of modules
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u32 numSections; // # of sections
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u32 sectionInfoOffset; // offset to section info table
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u32 nameOffset; // offset to module name
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u32 nameSize; // size of module name
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u32 version; // version number
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};
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struct OSModuleHeader {
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// CAUTION: info must be the 1st member
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OSModuleInfo info;
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// OS_MODULE_VERSION == 1
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u32 bssSize; // total size of bss sections in bytes
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u32 relOffset;
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u32 impOffset;
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u32 impSize; // size in bytes
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u8 prologSection; // section # for prolog function
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u8 epilogSection; // section # for epilog function
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u8 unresolvedSection; // section # for unresolved function
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u8 bssSection; // section # for bss section (set at run-time)
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u32 prolog; // prolog function offset
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u32 epilog; // epilog function offset
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u32 unresolved; // unresolved function offset
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// OS_MODULE_VERSION == 2
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#if (2 <= OS_MODULE_VERSION)
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u32 align; // module alignment constraint
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u32 bssAlign; // bss alignment constraint
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#endif
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// OS_MODULE_VERSION == 3
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#if (3 <= OS_MODULE_VERSION)
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u32 fixSize;
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#endif
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};
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#define OSGetSectionInfo(module) ((OSSectionInfo*)(((OSModuleInfo*)(module))->sectionInfoOffset))
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#define OS_SECTIONINFO_EXEC 0x1
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#define OS_SECTIONINFO_OFFSET(offset) ((offset) & ~0x1)
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struct OSImportInfo {
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OSModuleID id; // external module id
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u32 offset; // offset to OSRel instructions
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};
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struct OSRel {
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u16 offset; // byte offset from the previous entry
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u8 type;
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u8 section;
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u32 addend;
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};
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#define R_DOLPHIN_NOP 201 // C9h current offset += OSRel.offset
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#define R_DOLPHIN_SECTION 202 // CAh current section = OSRel.section
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#define R_DOLPHIN_END 203 // CBh
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#define R_DOLPHIN_MRKREF 204 // CCh
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BOOL OSLink(OSModuleInfo* newModule, void* bss);
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BOOL OSLinkFixed(OSModuleInfo* newModule, void* bss);
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BOOL OSUnlink(OSModuleInfo* module);
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void OSSetStringTable(void* string_table);
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void __OSModuleInit(void);
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#ifdef __cplusplus
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};
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#endif
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#endif /* OSLINK_H */
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