WiiUPluginSystem/wups_include/wups.h

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/* wups.h
* by Alex Chadwick
*
* Copyright (C) 2014, Alex Chadwick
* Modified by Maschell, 2018
*
* 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.
*/
#ifndef WUPS_H_
#define WUPS_H_
#include <stddef.h>
#include <stdint.h>
#define WUPS_SECTION(x) __attribute__((__section__ (".wups." x)))
typedef enum wups_loader_entry_type_t {
WUPS_LOADER_ENTRY_FUNCTION,
WUPS_LOADER_ENTRY_FUNCTION_MANDATORY,
WUPS_LOADER_ENTRY_EXPORT
} wups_loader_entry_type_t;
typedef enum wups_loader_library_type_t {
WUPS_LOADER_LIBRARY_COREINIT,
WUPS_LOADER_LIBRARY_GX2
} wups_loader_library_type_t;
typedef struct wups_loader_entry_t {
wups_loader_entry_type_t type;
union {
struct {
const char *name;
const wups_loader_library_type_t library;
const void *target;
} _function;
struct {
const char *name;
const void *target;
} _export;
} data;
} wups_loader_entry_t;
#define WUPS_REPLACE(original_func, rpl_type, replace_func) \
extern const wups_loader_entry_t wups_load_ ## original_func \
WUPS_SECTION("load"); \
const wups_loader_entry_t wups_load_ ## original_func = { \
.type = WUPS_LOADER_ENTRY_FUNCTION, \
.data = { \
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._function = { \
.name = #original_func, \
.library = rpl_type, \
.target = &(replace_func) \
} \
} \
}
#define WUPS_MUST_REPLACE(original_func, rpl_type, replace_func) \
extern const wups_loader_entry_t wups_load_ ## original_func \
WUPS_SECTION("load"); \
const wups_loader_entry_t wups_load_ ## original_func = { \
.type = WUPS_LOADER_ENTRY_FUNCTION_MANDATORY, \
.data = { \
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._function = { \
.name = #original_func, \
.library = rpl_type, \
.target = &(replace_func) \
} \
} \
}
#define WUPS_EXPORT(symbol) \
extern const wups_loader_entry_t wups_export_ ## symbol \
WUPS_SECTION("load"); \
const wups_loader_entry_t wups_export_ ## symbol = { \
.type = WUPS_LOADER_ENTRY_EXPORT, \
.data = { \
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._export = { \
.name = #symbol, \
.target = &(symbol) \
} \
} \
}
#define WUPS_META(id, value) \
extern const char wups_meta_ ## id [] WUPS_SECTION("meta"); \
const char wups_meta_ ## id [] = #id "=" value
#define WUPS_MODULE_NAME(x) WUPS_META(name, x); WUPS_META(wups, "0.1")
#define WUPS_MODULE_AUTHOR(x) WUPS_META(author, x)
#define WUPS_MODULE_VERSION(x) WUPS_META(version, x)
#define WUPS_MODULE_LICENSE(x) WUPS_META(license, x)
/* wups_game_start - first address that is part of the game's executable.
* wups_game_end - address after the end of the game's executable.
* Added in WUPS_LIB_VERSION 0.1.1 */
extern uint8_t wups_game_start[];
extern uint8_t wups_game_end[];
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* WUPS_WUPS_H_ */