1a156deca5
NOTE: the JIT is now embeddable out-of-box and usable by other projects which is pretty cool. I will commit a shell app demonstrating this soon --HG-- extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%402400
124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourcePawn
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* Copyright (C) 2004-2008 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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* Version: $Id$
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*/
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#ifndef _INCLUDE_SOURCEPAWN_VM_ENGINE_H_
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#define _INCLUDE_SOURCEPAWN_VM_ENGINE_H_
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#include "sp_vm_api.h"
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#include "sp_vm_function.h"
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class BaseContext;
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struct TracedCall
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{
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uint32_t cip;
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uint32_t frm;
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BaseContext *ctx;
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TracedCall *next;
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unsigned int chain;
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};
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class CContextTrace : public IContextTrace
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{
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public:
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CContextTrace(TracedCall *pStart, int error, const char *msg, uint32_t native);
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public:
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int GetErrorCode();
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const char *GetErrorString();
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bool DebugInfoAvailable();
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const char *GetCustomErrorString();
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bool GetTraceInfo(CallStackInfo *trace);
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void ResetTrace();
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const char *GetLastNative(uint32_t *index);
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private:
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int m_Error;
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const char *m_pMsg;
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TracedCall *m_pStart;
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TracedCall *m_pIterator;
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uint32_t m_Native;
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};
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class SourcePawnEngine : public ISourcePawnEngine
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{
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public:
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SourcePawnEngine();
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~SourcePawnEngine();
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public: //ISourcePawnEngine
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sp_plugin_t *LoadFromFilePointer(FILE *fp, int *err);
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sp_plugin_t *LoadFromMemory(void *base, sp_plugin_t *plugin, int *err);
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int FreeFromMemory(sp_plugin_t *plugin);
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void *BaseAlloc(size_t size);
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void BaseFree(void *memory);
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void *ExecAlloc(size_t size);
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void ExecFree(void *address);
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IDebugListener *SetDebugListener(IDebugListener *pListener);
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unsigned int GetContextCallCount();
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unsigned int GetEngineAPIVersion();
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void *AllocatePageMemory(size_t size);
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void SetReadWrite(void *ptr);
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void SetReadExecute(void *ptr);
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void FreePageMemory(void *ptr);
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const char *GetErrorString(int err);
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public: //Debugger Stuff
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/**
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* @brief Pushes a context onto the top of the call tracer.
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*
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* @param ctx Plugin context.
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*/
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void PushTracer(BaseContext *ctx);
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/**
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* @brief Pops a plugin off the call tracer.
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*/
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void PopTracer(int error, const char *msg);
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/**
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* @brief Runs tracer from a debug break.
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*/
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void RunTracer(BaseContext *ctx, uint32_t frame, uint32_t codeip);
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public: //Plugin function stuff
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CFunction *GetFunctionFromPool(funcid_t f, IPluginContext *plugin);
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void ReleaseFunctionToPool(CFunction *func);
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private:
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TracedCall *MakeTracedCall(bool new_chain);
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void FreeTracedCall(TracedCall *pCall);
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private:
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IDebugListener *m_pDebugHook;
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TracedCall *m_FreedCalls;
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TracedCall *m_CallStack;
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unsigned int m_CurChain;
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//CFunction *m_pFreeFuncs;
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};
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extern SourcePawnEngine g_engine1;
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#endif //_INCLUDE_SOURCEPAWN_VM_ENGINE_H_
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