52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod
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* Copyright (C) 2004-2017 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*/
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#ifndef _INCLUDE_SOURCEMOD_PSEUDOADDRESSMANAGER_H_
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#define _INCLUDE_SOURCEMOD_PSEUDOADDRESSMANAGER_H_
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#include "common_logic.h"
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class PseudoAddressManager
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{
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public:
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PseudoAddressManager();
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public:
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void *FromPseudoAddress(uint32_t paddr);
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uint32_t ToPseudoAddress(void *addr);
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private:
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void *GetAllocationBase(void *ptr);
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private:
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static constexpr uint8_t PSEUDO_OFFSET_BITS = 26;
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static constexpr uint8_t PSEUDO_INDEX_BITS = sizeof(uint32_t) * 8 - PSEUDO_OFFSET_BITS;
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void *m_AllocBases[1 << PSEUDO_INDEX_BITS];
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uint8_t m_NumEntries;
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};
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#endif // _INCLUDE_SOURCEMOD_PSEUDOADDRESSMANAGER_H_
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