155 lines
3.9 KiB
C++
155 lines
3.9 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourcePawn JIT SDK
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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_JIT_HELPERS_H_
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#define _INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
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#include <sp_vm_types.h>
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#include <sp_vm_api.h>
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#if defined HAVE_STDINT_H && !defined WIN32
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#include <stdint.h>
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typedef int8_t jit_int8_t;
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typedef uint8_t jit_uint8_t;
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typedef int32_t jit_int32_t;
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typedef uint32_t jit_uint32_t;
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typedef int64_t jit_int64_t;
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typedef uint64_t jit_uint64_t;
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#elif defined WIN32
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typedef __int8 jit_int8_t;
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typedef unsigned __int8 jit_uint8_t;
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typedef __int32 jit_int32_t;
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typedef unsigned __int32 jit_uint32_t;
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typedef __int64 jit_int64_t;
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typedef unsigned __int64 jit_uint64_t;
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#endif
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typedef char * jitcode_t;
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typedef unsigned int jitoffs_t;
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typedef signed int jitrel_t;
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class JitWriter
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{
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public:
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inline cell_t read_cell()
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{
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cell_t val = *(inptr);
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inptr++;
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return val;
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}
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inline cell_t peek_cell()
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{
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return *inptr;
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}
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inline cell_t *read_cellptr()
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{
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cell_t *val = *(cell_t **)(inptr);
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inptr++;
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return val;
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}
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inline void write_ubyte(jit_uint8_t c)
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{
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if (outbase)
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{
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*outptr = c;
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}
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outptr++;
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}
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inline void write_ushort(unsigned short c)
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{
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if (outbase)
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{
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*(unsigned short *)outptr = c;
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}
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outptr += sizeof(unsigned short);
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}
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inline void write_byte(jit_int8_t c)
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{
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if (outbase)
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{
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*outptr = c;
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}
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outptr++;
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}
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inline void write_int32(jit_int32_t c)
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{
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if (outbase)
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{
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*(jit_int32_t *)outptr = c;
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}
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outptr += sizeof(jit_int32_t);
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}
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inline void write_uint32(jit_uint32_t c)
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{
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if (outbase)
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{
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*(jit_uint32_t *)outptr = c;
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}
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outptr += sizeof(jit_uint32_t);
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}
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inline void write_int64(jit_int64_t c)
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{
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if (outbase)
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{
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*(jit_int64_t *)outptr = c;
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}
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outptr += sizeof(jit_int64_t);
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}
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inline void write_uint64(jit_uint64_t c)
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{
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if (outbase)
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{
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*(jit_uint64_t *)outptr = c;
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}
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outptr += sizeof(jit_uint64_t);
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}
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inline jitoffs_t get_outputpos()
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{
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return (outptr - outbase);
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}
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inline void set_outputpos(jitoffs_t offs)
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{
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outptr = outbase + offs;
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}
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inline jitoffs_t get_inputpos()
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{
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return (jitoffs_t)((char *)inptr - (char *)inbase);
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}
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public:
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cell_t *inptr; /* input pointer */
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cell_t *inbase; /* input base */
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jitcode_t outbase; /* output pointer */
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jitcode_t outptr; /* output base */
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SourcePawn::ICompilation *data; /* compiler live info */
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};
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#endif //_INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
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