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Source at commit 1247 created 7 years 11 months ago.
By meklort, Update makefiles... initial work for fat modules
1/*
2 * Module Loading functionality
3 * Copyright 2009 Evan Lojewski. All rights reserved.
4 *
5 */
6
7#include <IOKit/IOTypes.h>
8#include <mach-o/loader.h>
9#include <mach-o/nlist.h>
10
11
12#ifndef __BOOT_MODULES_H
13#define __BOOT_MODULES_H
14
15#define MODULE_PATH"/Extra/modules/"
16
17#define SYMBOLS_MODULE "Symbols.dylib"
18#define SYMBOLS_AUTHOR "Chameleon"
19#define SYMBOLS_DESCRIPTION "Chameleon symbols for linking"
20#define SYMBOLS_VERSION 0
21#define SYMBOLS_COMPAT 0
22
23#define VOID_SYMBOL"dyld_void_start"
24extern UInt64 textAddress;
25extern UInt64 textSection;
26
27
28
29typedef struct symbolList_t
30{
31char* symbol;
32UInt64 addr;
33struct symbolList_t* next;
34} symbolList_t;
35
36
37typedef struct callbackList_t
38{
39void(*callback)(void*, void*, void*, void*);
40struct callbackList_t* next;
41} callbackList_t;
42
43typedef struct moduleHook_t
44{
45const char* name;
46callbackList_t* callbacks;
47struct moduleHook_t* next;
48} moduleHook_t;
49
50typedef struct modulesList_t
51{
52const char*name;
53 const char* author;
54 const char* description;
55UInt32version;
56UInt32compat;
57struct modulesList_t* next;
58} moduleList_t;
59
60
61
62int init_module_system();
63void load_all_modules();
64
65void start_built_in_module(const char* name,
66 const char* author,
67 const char* description,
68 UInt32 version,
69 UInt32 compat,
70 void(*start_function)(void));
71
72int load_module(char* module);
73int is_module_loaded(const char* name);
74void module_loaded(const char* name, const char* author, const char* description, UInt32 version, UInt32 compat);
75
76
77
78
79/********************************************************************************/
80/*Symbol Functions*/
81/********************************************************************************/
82long longadd_symbol(char* symbol, long long addr, char is64);
83unsigned intlookup_all_symbols(const char* name);
84
85
86
87/********************************************************************************/
88/*Macho Parser*/
89/********************************************************************************/
90void*parse_mach(void* binary,
91 int(*dylib_loader)(char*),
92 long long(*symbol_handler)(char*, long long, char),
93 void (*section_handler)(char* section, char* segment, long long offset, long long address)
94 );
95void*handle_symtable(UInt32 base,
96 struct symtab_command* symtabCommand,
97 long long(*symbol_handler)(char*, long long, char),
98 char is64);
99voidrebase_macho(void* base, char* rebase_stream, UInt32 size);
100inline voidrebase_location(UInt32* location, char* base, int type);
101voidbind_macho(void* base, UInt8* bind_stream, UInt32 size);
102inline voidbind_location(UInt32* location, char* value, UInt32 addend, int type);
103
104
105
106
107/********************************************************************************/
108/*Module Interface*/
109/********************************************************************************/
110intreplace_function(const char* symbol, void* newAddress);
111intexecute_hook(const char* name, void*, void*, void*, void*);
112voidregister_hook_callback(const char* name, void(*callback)(void*, void*, void*, void*));
113moduleHook_t*hook_exists(const char* name);
114
115#if DEBUG_MODULES
116voidprint_hook_list();
117#endif
118
119/********************************************************************************/
120/*dyld Interface*/
121/********************************************************************************/
122void dyld_stub_binder();
123
124#endif /* __BOOT_MODULES_H */

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Revision: 1247