107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/**
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* =============================================================================
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* DynamicHooks
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* Copyright (C) 2015 Robin Gohmert. All rights reserved.
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* Copyright (C) 2018-2021 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* asm.h/cpp from devmaster.net (thanks cybermind) edited by pRED* to handle gcc
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* -fPIC thunks correctly
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*
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* Idea and trampoline code taken from DynDetours (thanks your-name-here).
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*
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* Adopted to provide similar features to SourceHook by AlliedModders LLC.
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*/
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// ============================================================================
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// >> INCLUDES
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// ============================================================================
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#include "manager.h"
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// ============================================================================
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// >> CHookManager
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// ============================================================================
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CHook* CHookManager::HookFunction(void* pFunc, ICallingConvention* pConvention)
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{
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if (!pFunc)
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return NULL;
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CHook* pHook = FindHook(pFunc);
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if (pHook)
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{
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delete pConvention;
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return pHook;
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}
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pHook = new CHook(pFunc, pConvention);
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m_Hooks.push_back(pHook);
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return pHook;
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}
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void CHookManager::UnhookFunction(void* pFunc)
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{
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if (!pFunc)
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return;
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for (size_t i = 0; i < m_Hooks.size(); i++)
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{
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CHook* pHook = m_Hooks[i];
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if (pHook->m_pFunc == pFunc)
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{
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m_Hooks.erase(m_Hooks.begin() + i);
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delete pHook;
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return;
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}
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}
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}
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CHook* CHookManager::FindHook(void* pFunc)
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{
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if (!pFunc)
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return NULL;
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for(size_t i = 0; i < m_Hooks.size(); i++)
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{
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CHook* pHook = m_Hooks[i];
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if (pHook->m_pFunc == pFunc)
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return pHook;
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}
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return NULL;
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}
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void CHookManager::UnhookAllFunctions()
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{
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for(size_t i = 0; i < m_Hooks.size(); i++)
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delete m_Hooks[i];
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m_Hooks.clear();
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}
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// ============================================================================
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// >> GetHookManager
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// ============================================================================
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CHookManager* GetHookManager()
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{
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static CHookManager* s_pManager = new CHookManager;
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return s_pManager;
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} |