177 lines
7.6 KiB
C
177 lines
7.6 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, 2018-2022
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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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#include "defines/module_defines.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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typedef enum wums_hook_type_t {
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WUMS_HOOK_INIT_WUT_MALLOC,
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WUMS_HOOK_FINI_WUT_MALLOC,
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WUMS_HOOK_INIT_WUT_NEWLIB,
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WUMS_HOOK_FINI_WUT_NEWLIB,
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WUMS_HOOK_INIT_WUT_STDCPP,
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WUMS_HOOK_FINI_WUT_STDCPP,
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WUMS_HOOK_INIT_WUT_DEVOPTAB,
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WUMS_HOOK_FINI_WUT_DEVOPTAB,
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WUMS_HOOK_INIT_WUT_SOCKETS,
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WUMS_HOOK_FINI_WUT_SOCKETS,
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WUMS_HOOK_INIT_WRAPPER, /* Calls __init */
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WUMS_HOOK_FINI_WRAPPER, /* Calls __fini */
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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_RELOCATIONS_DONE,
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WUMS_HOOK_APPLICATION_REQUESTS_EXIT,
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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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typedef struct wums_app_init_args_t {
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module_information_t *module_information;
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} wums_app_init_args_t;
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typedef struct wums_relocs_done_args_t {
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module_information_t *module_information;
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} wums_relocs_done_args_t;
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#define WUMS_INITIALIZE(myargs) \
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void __wums__init(wums_app_init_args_t); \
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WUMS_HOOK_EX(WUMS_HOOK_INIT, __wums__init); \
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void __wums__init(wums_app_init_args_t myargs)
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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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#define WUMS_APPLICATION_REQUESTS_EXIT() \
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void __wums_requests_exit(void); \
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WUMS_HOOK_EX(WUMS_HOOK_APPLICATION_REQUESTS_EXIT, __wums_requests_exit); \
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void __wums_requests_exit()
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#define WUMS_RELOCATIONS_DONE(myargs) \
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void __wums_relocations_done(wums_relocs_done_args_t); \
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WUMS_HOOK_EX(WUMS_HOOK_RELOCATIONS_DONE, __wums_relocations_done); \
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void __wums_relocations_done(wums_relocs_done_args_t myargs)
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#ifdef __cplusplus
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#define __EXTERN_C_MACRO extern "C"
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#else
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#define __EXTERN_C_MACRO
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#endif
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#define WUMS_USE_WUT_MALLOC() \
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__EXTERN_C_MACRO void __init_wut_malloc(); \
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void on_init_wut_malloc() { \
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__init_wut_malloc(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT_MALLOC, on_init_wut_malloc); \
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__EXTERN_C_MACRO void __fini_wut_malloc(); \
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void on_fini_wut_malloc() { \
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__fini_wut_malloc(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT_MALLOC, on_fini_wut_malloc)
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#define WUMS_USE_WUT_DEVOPTAB() \
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__EXTERN_C_MACRO void __init_wut_devoptab(); \
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void on_init_wut_devoptab() { \
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__init_wut_devoptab(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT_DEVOPTAB, on_init_wut_devoptab); \
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__EXTERN_C_MACRO void __fini_wut_devoptab(); \
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void on_fini_wut_devoptab() { \
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__fini_wut_devoptab(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT_DEVOPTAB, on_fini_wut_devoptab)
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#define WUMS_USE_WUT_NEWLIB() \
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__EXTERN_C_MACRO void __init_wut_newlib(); \
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void on_init_wut_newlib() { \
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__init_wut_newlib(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT_NEWLIB, on_init_wut_newlib); \
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__EXTERN_C_MACRO void __fini_wut_newlib(); \
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void on_fini_wut_newlib() { \
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__fini_wut_newlib(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT_NEWLIB, on_fini_wut_newlib)
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#define WUMS_USE_WUT_STDCPP() \
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__EXTERN_C_MACRO void __init_wut_stdcpp(); \
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void on_init_wut_stdcpp() { \
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__init_wut_stdcpp(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT_STDCPP, on_init_wut_stdcpp); \
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__EXTERN_C_MACRO void __fini_wut_stdcpp(); \
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void on_fini_wut_stdcpp() { \
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__fini_wut_stdcpp(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT_STDCPP, on_fini_wut_stdcpp)
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#define WUMS_USE_WUT_SOCKETS() \
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__EXTERN_C_MACRO void __init_wut_socket(); \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WUT_SOCKETS, __init_wut_socket); \
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__EXTERN_C_MACRO void __fini_wut_socket(); \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WUT_SOCKETS, __fini_wut_socket)
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#define WUMS___INIT_WRAPPER() \
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__EXTERN_C_MACRO void __init(); \
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void __init_wrapper() { \
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__init(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_INIT_WRAPPER, __init_wrapper);
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#define WUMS___FINI_WRAPPER() \
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__EXTERN_C_MACRO void __fini(); \
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void __fini_wrapper() { \
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__fini(); \
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} \
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WUMS_HOOK_EX(WUMS_HOOK_FINI_WRAPPER, __fini_wrapper);
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#ifdef __cplusplus
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}
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#endif |