1/* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include "los_hook.h" 33#include "internal/los_hook_types_parse.h" 34 35 36#if (LOSCFG_DEBUG_HOOK == 1) 37#define LOS_HOOK_TYPE_DEF(type, paramList) \ 38 STATIC type##_FN g_fn##type; \ 39 UINT32 type##_RegHook(type##_FN func) { \ 40 if ((func) == NULL) { \ 41 return LOS_ERRNO_HOOK_REG_INVALID; \ 42 } \ 43 if (g_fn##type) { \ 44 return LOS_ERRNO_HOOK_POOL_IS_FULL; \ 45 } \ 46 g_fn##type = (func); \ 47 return LOS_OK; \ 48 } \ 49 UINT32 type##_UnRegHook(type##_FN func) { \ 50 if (((func) == NULL) || (g_fn##type != (func))) { \ 51 return LOS_ERRNO_HOOK_UNREG_INVALID; \ 52 } \ 53 g_fn##type = NULL; \ 54 return LOS_OK; \ 55 } \ 56 VOID type##_CallHook paramList { \ 57 if (g_fn##type) { \ 58 g_fn##type(PARAM_TO_ARGS paramList); \ 59 } \ 60 } 61 62LOS_HOOK_ALL_TYPES_DEF; 63 64#undef LOS_HOOK_TYPE_DEF 65 66#endif /* LOSCFG_DEBUG_HOOK */ 67 68