1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/core/vm/sp_vm_engine.h Sun Mar 30 07:00:22 2008 +0000
1.3 @@ -0,0 +1,120 @@
1.4 +/**
1.5 + * vim: set ts=4 :
1.6 + * =============================================================================
1.7 + * SourcePawn
1.8 + * Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
1.9 + * =============================================================================
1.10 + *
1.11 + * This program is free software; you can redistribute it and/or modify it under
1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
1.13 + * Free Software Foundation.
1.14 + *
1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.17 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.18 + * details.
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License along with
1.21 + * this program. If not, see <http://www.gnu.org/licenses/>.
1.22 + *
1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
1.26 + * by the Valve Corporation. You must obey the GNU General Public License in
1.27 + * all respects for all other code used. Additionally, AlliedModders LLC grants
1.28 + * this exception to all derivative works. AlliedModders LLC defines further
1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
1.30 + * or <http://www.sourcemod.net/license.php>.
1.31 + *
1.32 + * Version: $Id$
1.33 + */
1.34 +
1.35 +#ifndef _INCLUDE_SOURCEPAWN_VM_ENGINE_H_
1.36 +#define _INCLUDE_SOURCEPAWN_VM_ENGINE_H_
1.37 +
1.38 +#include "sp_vm_api.h"
1.39 +#include "sp_vm_function.h"
1.40 +
1.41 +struct TracedCall
1.42 +{
1.43 + uint32_t cip;
1.44 + uint32_t frm;
1.45 + sp_context_t *ctx;
1.46 + TracedCall *next;
1.47 + unsigned int chain;
1.48 +};
1.49 +
1.50 +class CContextTrace : public IContextTrace
1.51 +{
1.52 +public:
1.53 + CContextTrace(TracedCall *pStart, int error, const char *msg, uint32_t native);
1.54 +public:
1.55 + int GetErrorCode();
1.56 + const char *GetErrorString();
1.57 + bool DebugInfoAvailable();
1.58 + const char *GetCustomErrorString();
1.59 + bool GetTraceInfo(CallStackInfo *trace);
1.60 + void ResetTrace();
1.61 + const char *GetLastNative(uint32_t *index);
1.62 +private:
1.63 + int m_Error;
1.64 + const char *m_pMsg;
1.65 + TracedCall *m_pStart;
1.66 + TracedCall *m_pIterator;
1.67 + uint32_t m_Native;
1.68 +};
1.69 +
1.70 +class SourcePawnEngine : public ISourcePawnEngine
1.71 +{
1.72 +public:
1.73 + SourcePawnEngine();
1.74 + ~SourcePawnEngine();
1.75 +public: //ISourcePawnEngine
1.76 + sp_plugin_t *LoadFromFilePointer(FILE *fp, int *err);
1.77 + sp_plugin_t *LoadFromMemory(void *base, sp_plugin_t *plugin, int *err);
1.78 + int FreeFromMemory(sp_plugin_t *plugin);
1.79 + IPluginContext *CreateBaseContext(sp_context_t *ctx);
1.80 + void FreeBaseContext(IPluginContext *ctx);
1.81 + void *BaseAlloc(size_t size);
1.82 + void BaseFree(void *memory);
1.83 + void *ExecAlloc(size_t size);
1.84 + void ExecFree(void *address);
1.85 + IDebugListener *SetDebugListener(IDebugListener *pListener);
1.86 + unsigned int GetContextCallCount();
1.87 + unsigned int GetEngineAPIVersion();
1.88 + void *AllocatePageMemory(size_t size);
1.89 + void SetReadWrite(void *ptr);
1.90 + void SetReadExecute(void *ptr);
1.91 + void FreePageMemory(void *ptr);
1.92 +public: //Debugger Stuff
1.93 + /**
1.94 + * @brief Pushes a context onto the top of the call tracer.
1.95 + *
1.96 + * @param ctx Plugin context.
1.97 + */
1.98 + void PushTracer(sp_context_t *ctx);
1.99 +
1.100 + /**
1.101 + * @brief Pops a plugin off the call tracer.
1.102 + */
1.103 + void PopTracer(int error, const char *msg);
1.104 +
1.105 + /**
1.106 + * @brief Runs tracer from a debug break.
1.107 + */
1.108 + void RunTracer(sp_context_t *ctx, uint32_t frame, uint32_t codeip);
1.109 +public: //Plugin function stuff
1.110 + CFunction *GetFunctionFromPool(funcid_t f, IPluginContext *plugin);
1.111 + void ReleaseFunctionToPool(CFunction *func);
1.112 +private:
1.113 + TracedCall *MakeTracedCall(bool new_chain);
1.114 + void FreeTracedCall(TracedCall *pCall);
1.115 +private:
1.116 + IDebugListener *m_pDebugHook;
1.117 + TracedCall *m_FreedCalls;
1.118 + TracedCall *m_CallStack;
1.119 + unsigned int m_CurChain;
1.120 + //CFunction *m_pFreeFuncs;
1.121 +};
1.122 +
1.123 +#endif //_INCLUDE_SOURCEPAWN_VM_ENGINE_H_
