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