WiiUPluginSystem/wups_include/wups/function_patching.h

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/* based on blsug.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_FUNCTION_PATCHING_DEF_H_
#define WUPS_FUNCTION_PATCHING_DEF_H_
#include "common.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum wups_loader_library_type_t {
WUPS_LOADER_LIBRARY_AVM,
WUPS_LOADER_LIBRARY_CAMERA,
WUPS_LOADER_LIBRARY_COREINIT,
WUPS_LOADER_LIBRARY_DC,
WUPS_LOADER_LIBRARY_DMAE,
WUPS_LOADER_LIBRARY_DRMAPP,
WUPS_LOADER_LIBRARY_ERREULA,
WUPS_LOADER_LIBRARY_GX2,
WUPS_LOADER_LIBRARY_H264,
WUPS_LOADER_LIBRARY_LZMA920,
WUPS_LOADER_LIBRARY_MIC,
WUPS_LOADER_LIBRARY_NFC,
WUPS_LOADER_LIBRARY_NIO_PROF,
WUPS_LOADER_LIBRARY_NLIBCURL,
WUPS_LOADER_LIBRARY_NLIBNSS,
WUPS_LOADER_LIBRARY_NLIBNSS2,
WUPS_LOADER_LIBRARY_NN_AC,
WUPS_LOADER_LIBRARY_NN_ACP,
WUPS_LOADER_LIBRARY_NN_ACT,
WUPS_LOADER_LIBRARY_NN_AOC,
WUPS_LOADER_LIBRARY_NN_BOSS,
WUPS_LOADER_LIBRARY_NN_CCR,
WUPS_LOADER_LIBRARY_NN_CMPT,
WUPS_LOADER_LIBRARY_NN_DLP,
WUPS_LOADER_LIBRARY_NN_EC,
WUPS_LOADER_LIBRARY_NN_FP,
WUPS_LOADER_LIBRARY_NN_HAI,
WUPS_LOADER_LIBRARY_NN_HPAD,
WUPS_LOADER_LIBRARY_NN_IDBE,
WUPS_LOADER_LIBRARY_NN_NDM,
WUPS_LOADER_LIBRARY_NN_NETS2,
WUPS_LOADER_LIBRARY_NN_NFP,
WUPS_LOADER_LIBRARY_NN_NIM,
WUPS_LOADER_LIBRARY_NN_OLV,
WUPS_LOADER_LIBRARY_NN_PDM,
WUPS_LOADER_LIBRARY_NN_SAVE,
WUPS_LOADER_LIBRARY_NN_SL,
WUPS_LOADER_LIBRARY_NN_SPM,
WUPS_LOADER_LIBRARY_NN_TEMP,
WUPS_LOADER_LIBRARY_NN_UDS,
WUPS_LOADER_LIBRARY_NN_VCTL,
WUPS_LOADER_LIBRARY_NSYSCCR,
WUPS_LOADER_LIBRARY_NSYSHID,
WUPS_LOADER_LIBRARY_NSYSKBD,
WUPS_LOADER_LIBRARY_NSYSNET,
WUPS_LOADER_LIBRARY_NSYSUHS,
WUPS_LOADER_LIBRARY_NSYSUVD,
WUPS_LOADER_LIBRARY_NTAG,
WUPS_LOADER_LIBRARY_PADSCORE,
WUPS_LOADER_LIBRARY_PROC_UI,
WUPS_LOADER_LIBRARY_SND_CORE,
WUPS_LOADER_LIBRARY_SND_USER,
WUPS_LOADER_LIBRARY_SNDCORE2,
WUPS_LOADER_LIBRARY_SNDUSER2,
WUPS_LOADER_LIBRARY_SWKBD,
WUPS_LOADER_LIBRARY_SYSAPP,
WUPS_LOADER_LIBRARY_TCL,
WUPS_LOADER_LIBRARY_TVE,
WUPS_LOADER_LIBRARY_UAC,
WUPS_LOADER_LIBRARY_UAC_RPL,
WUPS_LOADER_LIBRARY_USB_MIC,
WUPS_LOADER_LIBRARY_UVC,
WUPS_LOADER_LIBRARY_UVD,
WUPS_LOADER_LIBRARY_VPAD,
WUPS_LOADER_LIBRARY_VPADBASE,
WUPS_LOADER_LIBRARY_ZLIB125,
}
wups_loader_library_type_t;
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 struct wups_loader_entry_t {
wups_loader_entry_type_t type;
struct {
const char *name; /* Name of the function that will be replaced */
const wups_loader_library_type_t library; /**/
const char *my_function_name; /* Function name of your own, new function (my_XXX) */
const void *target; /* Address of our own, new function (my_XXX)*/
const void *call_addr; /* Address for calling the real function.(real_XXX) */
} _function;
} wups_loader_entry_t;
#define WUPS_MUST_REPLACE(x, lib, function_name) WUPS_MUST_REPLACE_EX(real_ ## x, lib, my_ ## x, function_name);
#define WUPS_MUST_REPLACE_EX(original_func, rpl_type, replace_func, replace_function_name) \
extern const wups_loader_entry_t wups_load_ ## replace_func \
WUPS_SECTION("load"); \
const wups_loader_entry_t wups_load_ ## replace_func = { \
.type = WUPS_LOADER_ENTRY_FUNCTION_MANDATORY, \
._function = { \
.name = #replace_function_name, \
.library = rpl_type, \
.my_function_name = #replace_func, \
.target = (const void*)&(replace_func), \
.call_addr = (const void*)&(original_func) \
} \
}
#define DECL_FUNCTION(res, name, ...) \
res (* real_ ## name)(__VA_ARGS__) __attribute__((section(".data"))); \
res my_ ## name(__VA_ARGS__)
#ifdef __cplusplus
}
#endif
#endif /* WUPS_FUNCTION_PATCHING_DEF_H_ */