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