125 lines
4.1 KiB
C++
125 lines
4.1 KiB
C++
/**
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* ================================================================
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* SourcePawn (C)2004-2007 AlliedModders LLC. All rights reserved.
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* ================================================================
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*
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* This file is not open source and may not be copied without explicit
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* written permission of AlliedModders LLC. This file may not be redistributed
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* in whole or significant part.
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* For information, see LICENSE.txt 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_JIT_X86_H_
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#define _INCLUDE_SOURCEPAWN_JIT_X86_H_
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#include <sp_vm_types.h>
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#include <sp_vm_api.h>
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#include "../jit_helpers.h"
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using namespace SourcePawn;
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#define JIT_INLINE_ERRORCHECKS (1<<0)
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#define JIT_INLINE_NATIVES (1<<1)
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#define STACK_MARGIN 64 //8 parameters of safety, I guess
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#define JIT_FUNCMAGIC 0x214D4148 //magic function offset
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#define JITVARS_TRACKER 0 //important: don't change this to avoid trouble
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#define JITVARS_FUNCINFO 1 //important: don't change this aWOAWOGJQG I LIKE HAM
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#define JITVARS_REBASE 2 //important: hi, i'm bail
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typedef struct tracker_s
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{
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size_t size;
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ucell_t *pBase;
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ucell_t *pCur;
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} tracker_t;
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typedef struct funcinfo_s
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{
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unsigned int magic;
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unsigned int index;
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} funcinfo_t;
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typedef struct functracker_s
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{
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unsigned int num_functions;
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unsigned int code_size;
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} functracker_t;
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class CompData : public ICompilation
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{
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public:
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CompData() : plugin(NULL),
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debug(false), inline_level(0), rebase(NULL),
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error_set(SP_ERROR_NONE), func_idx(0)
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{
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};
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public:
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sp_plugin_t *plugin; /* plugin handle */
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bool debug; /* whether to compile debug mode */
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int inline_level; /* inline optimization level */
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jitcode_t rebase; /* relocation map */
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int error_set; /* error code to halt process */
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unsigned int func_idx; /* current function index */
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jitoffs_t jit_return; /* point in main call to return to */
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jitoffs_t jit_verify_addr_eax;
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jitoffs_t jit_verify_addr_edx;
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jitoffs_t jit_break; /* call to op.break */
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jitoffs_t jit_sysreq_n; /* call version of op.sysreq.n */
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jitoffs_t jit_genarray; /* call to genarray intrinsic */
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jitoffs_t jit_error_bounds;
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jitoffs_t jit_error_divzero;
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jitoffs_t jit_error_stacklow;
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jitoffs_t jit_error_stackmin;
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jitoffs_t jit_error_memaccess;
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jitoffs_t jit_error_heaplow;
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jitoffs_t jit_error_heapmin;
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jitoffs_t jit_error_array_too_big;
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jitoffs_t jit_extern_error; /* returning generic error */
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jitoffs_t jit_sysreq_c; /* old version! */
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uint32_t codesize; /* total codesize */
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};
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class JITX86 : public IVirtualMachine
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{
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public:
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const char *GetVMName();
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ICompilation *StartCompilation(sp_plugin_t *plugin);
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bool SetCompilationOption(ICompilation *co, const char *key, const char *val);
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sp_context_t *CompileToContext(ICompilation *co, int *err);
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void AbortCompilation(ICompilation *co);
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void FreeContext(sp_context_t *ctx);
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int ContextExecute(sp_context_t *ctx, uint32_t code_idx, cell_t *result);
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unsigned int GetAPIVersion();
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bool FunctionLookup(const sp_context_t *ctx, uint32_t code_addr, unsigned int *result);
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bool FunctionPLookup(const sp_context_t *ctx, uint32_t code_addr, unsigned int *result);
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unsigned int FunctionCount(const sp_context_t *ctx);
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const char *GetVersionString();
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const char *GetCPUOptimizations();
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};
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cell_t NativeCallback(sp_context_t *ctx, ucell_t native_idx, cell_t *params);
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cell_t NativeCallback_Debug(sp_context_t *ctx, ucell_t native_idx, cell_t *params);
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jitoffs_t RelocLookup(JitWriter *jit, cell_t pcode_offs, bool relative=false);
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#define AMX_REG_PRI REG_EAX
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#define AMX_REG_ALT REG_EDX
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#define AMX_REG_STK REG_EDI
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#define AMX_REG_DAT REG_EBP
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#define AMX_REG_TMP REG_ECX
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#define AMX_REG_INFO REG_ESI
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#define AMX_REG_FRM REG_EBX
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#define AMX_INFO_FRM AMX_REG_INFO //not relocated
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#define AMX_INFO_FRAME 0 //(same thing as above)
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#define AMX_INFO_HEAP 4 //not relocated
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#define AMX_INFO_RETVAL 8 //physical
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#define AMX_INFO_CONTEXT 12 //physical
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#define AMX_INFO_STACKTOP 16 //relocated
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extern ISourcePawnEngine *engine;
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#endif //_INCLUDE_SOURCEPAWN_JIT_X86_H_
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