WiiUModuleSystem/include/wums/hooks.h
2020-06-25 18:44:59 +02:00

125 lines
3.8 KiB
C

/* based on blsug.h
* by Alex Chadwick
*
* Copyright (C) 2014, Alex Chadwick
* Modified by Maschell, 2018-2020
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include "common.h"
#include "defines/module_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
#define WUMS_HOOK_EX(type_def,original_func) \
extern const wums_hook_t wums_hooks_ ## original_func WUMS_SECTION("hooks"); \
const wums_hook_t wums_hooks_ ## original_func = { \
.type = type_def, \
.target = (const void*)&(original_func) \
}
typedef enum wums_hook_type_t {
WUMS_HOOK_INIT,
WUMS_HOOK_APPLICATION_STARTS,
WUMS_HOOK_APPLICATION_ENDS,
WUMS_HOOK_INIT_WUT,
WUMS_HOOK_FINI_WUT,
WUMS_HOOK_RELOCATIONS_DONE,
} wums_hook_type_t;
typedef struct wums_hook_t {
wums_hook_type_t type; /* Defines the type of the hook */
const void *target; /* Address of our own, new function */
} wums_hook_t;
typedef struct wums_app_init_args_t {
module_information_t* module_information;
} wums_app_init_args_t;
typedef struct wums_relocs_done_args_t {
module_information_t* module_information;
} wums_relocs_done_args_t;
#define WUMS_INITIALIZE(myargs) \
WUMS_INIT_WUT(); \
WUMS_FINI_WUT(); \
void __wums__init(wums_app_init_args_t);\
WUMS_HOOK_EX(WUMS_HOOK_INIT, __wums__init); \
void __wums__init(wums_app_init_args_t myargs)
#define WUMS_APPLICATION_STARTS() \
void __wums_start(void);\
WUMS_HOOK_EX(WUMS_HOOK_APPLICATION_STARTS, __wums_start); \
void __wums_start()
#define WUMS_APPLICATION_ENDS() \
void __wums_end(void);\
WUMS_HOOK_EX(WUMS_HOOK_APPLICATION_ENDS, __wums_end); \
void __wums_end()
#define WUMS_RELOCATIONS_DONE(myargs) \
void __wums_relocations_done(wums_relocs_done_args_t);\
WUMS_HOOK_EX(WUMS_HOOK_RELOCATIONS_DONE, __wums_relocations_done); \
void __wums_relocations_done(wums_relocs_done_args_t myargs)
#ifdef __cplusplus
#define WUMS_INIT_WUT() \
void __wums_init_wut(void);\
extern "C" void __init_wut(void);\
void __wums_init_wut(){ \
__init_wut(); \
} \
WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT, __wums_init_wut)
#else
#define WUMS_INIT_WUT() \
void __wums_init_wut(void);\
extern void __init_wut(void);\
void __wums_init_wut(){ \
__init_wut(); \
} \
WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT, __wums_init_wut)
#endif
#ifdef __cplusplus
#define WUMS_FINI_WUT() \
void __wums_fini_wut(void);\
extern "C" void __fini_wut(void);\
void __wums_fini_wut(){ \
__fini_wut(); \
} \
WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT, __wums_fini_wut)
#else
#define WUMS_FINI_WUT() \
void __wums_fini_wut(void);\
extern void __fini_wut(void);\
void __wums_fini_wut(){ \
__fini_wut(); \
} \
WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT, __wums_fini_wut)
#endif
#ifdef __cplusplus
}
#endif