854 lines
25 KiB
C
854 lines
25 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Compiler Windows/DOS OBJ32 generation
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*
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* Copyright 1999 Antonio Linares <alinares@fivetech.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version, with one exception:
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*
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* The exception is that if you link the Harbour Runtime Library (HRL)
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* and/or the Harbour Virtual Machine (HVM) with other files to produce
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* an executable, this does not by itself cause the resulting executable
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* to be covered by the GNU General Public License. Your use of that
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* executable is in no way restricted on account of linking the HRL
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* and/or HVM code into it.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
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* their web site at http://www.gnu.org/).
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*
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*/
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#include "hbcomp.h"
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#ifndef HARBOUR_OBJ_GENERATION
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void hb_compGenObj32( PHB_FNAME pFileName )
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{
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HB_SYMBOL_UNUSED( pFileName );
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printf( "\nThis feature is not included in this build." );
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fflush( stdout );
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}
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#else
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static ULONG GetSymbolsSize( void );
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static PCOMSYMBOL GetFirstSymbol( void );
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static char * GetSymbolName( ULONG ulPos );
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static ULONG GetPCodesSize( void );
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static ULONG GetSymbolsAmount( void );
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static BOOL IsExternal( ULONG ulSymbol );
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static USHORT GetExternalPos( char * szExternal );
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static void GenerateLocalNames( FILE * hObjFile );
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static void GenerateSymbolsSegment( FILE * hObjFile );
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static void GenerateDataSegment( FILE * hObjFile );
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static void GenerateCodeSegment( FILE * hObjFile );
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static void GenerateExternals( FILE * hObjFile );
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static void putbyte( BYTE b, FILE * hObjFile, BYTE * pbChecksum );
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static void putword( USHORT w, FILE * hObjFile, BYTE * pbChecksum );
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static void CompiledFileName( FILE * hObjFile, char * szFileName );
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static void CompilerVersion( FILE * hObjFile, char * szVersion );
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static void LocalNames( FILE * hObjFile, char * szNames[] );
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static void ExternalNames( FILE * hObjFile, char * szNames[] );
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static void CodeSegment( FILE * hObjFile, BYTE * prgCode, ULONG ulPrgLen, USHORT wFunctions );
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static void DataSegment( FILE * hObjFile, BYTE * symbol, ULONG wSymLen, ULONG wSymbols, ULONG ulTotalSize );
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static void DefineSegment( FILE * hObjFile, BYTE bName, BYTE bClass, USHORT wLen );
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static void PubDef( FILE * hObjFile, char * szName, USHORT wSegment, USHORT wOffset );
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static void Fixup( FILE * hObjFile, BYTE bType, USHORT wOffset, BYTE bFlags, BYTE bSymbol );
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static void EnumeratedData( FILE * hObjFile, BYTE bSegment, BYTE * pData, USHORT wLen, USHORT wOffset );
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static void End( FILE * hObjFile );
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static void GroupDef( FILE * hObjFile, BYTE bName, BYTE * aSegs );
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static BYTE prgFunction[] = { 0x68, 0x00, 0x00, 0x00, 0x00, 0x68, 0x00, 0x00, 0x00,
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0x00, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x83, 0xC4, 0x08, 0xC3 };
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static char * * externNames = 0;
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static USHORT wExternals = 1; /* _hb_vmExecute is always added */
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static char * szPrefix = "_HB_FUN_";
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void hb_compGenObj32( PHB_FNAME pFileName )
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{
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char szFileName[ _POSIX_PATH_MAX ];
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FILE * hObjFile; /* file handle for OBJ output */
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if( ! pFileName->szExtension )
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pFileName->szExtension = ".obj";
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hb_fsFNameMerge( szFileName, pFileName );
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if( ( hObjFile = fopen( szFileName, "wb" ) ) == NULL )
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{
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hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_CREATE_OUTPUT, szFileName, NULL );
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return;
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}
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if( ! hb_comp_bQuiet )
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{
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printf( "Generating Windows/DOS OBJ32 output to \'%s\'... ", szFileName );
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fflush( stdout );
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}
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CompiledFileName( hObjFile, szFileName );
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CompilerVersion( hObjFile, "Harbour" );
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GenerateLocalNames( hObjFile );
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GenerateExternals( hObjFile );
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GenerateCodeSegment( hObjFile );
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GenerateDataSegment( hObjFile );
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GenerateSymbolsSegment( hObjFile );
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End( hObjFile );
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fclose( hObjFile );
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if( ! hb_comp_bQuiet )
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printf( "Done.\n" );
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}
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static ULONG GetSymbolsSize( void )
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{
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return hb_comp_symbols.iCount * sizeof( HB_SYMB );
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}
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static PCOMSYMBOL GetFirstSymbol( void )
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{
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PCOMSYMBOL pSymbol = hb_comp_symbols.pFirst;
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return pSymbol;
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}
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static char * GetSymbolName( ULONG ulPos )
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{
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PCOMSYMBOL pSymbol = GetFirstSymbol();
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ULONG ul = 0;
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while( pSymbol && ( ul++ < ulPos ) )
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pSymbol = pSymbol->pNext;
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return pSymbol->szName;
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}
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static BYTE GetFunctionLocalsCount( PFUNCTION pFunction )
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{
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PVAR pLocal = pFunction->pLocals;
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BYTE bLocals = 0;
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while( pLocal )
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{
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pLocal = pLocal->pNext;
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bLocals++;
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}
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return bLocals;
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}
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static ULONG GetPCodesSize( void )
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{
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ULONG ulTotal = 0;
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PFUNCTION pFunction = hb_comp_functions.pFirst;
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if( ! hb_comp_bStartProc )
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pFunction = pFunction->pNext;
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while( pFunction )
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{
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ulTotal += pFunction->lPCodePos; // + 1; /* HB_P_ENDPROC !!! */
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if( ! ( GetFunctionLocalsCount( pFunction ) || pFunction->wParamCount ) )
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ulTotal -= 3; /* remove frame 3 bytes pcode */
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if( ! ( pFunction->bFlags & FUN_USES_STATICS ) )
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ulTotal -= 3; /* remove statics frame */
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pFunction = pFunction->pNext;
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}
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return ulTotal;
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}
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static ULONG GetSymbolsAmount( void )
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{
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PCOMSYMBOL pSymbol = GetFirstSymbol();
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ULONG ulAmount = 1;
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while( pSymbol->pNext )
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{
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ulAmount++;
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pSymbol = pSymbol->pNext;
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}
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return ulAmount;
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}
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static BOOL IsExternal( ULONG ulSymbol )
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{
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PCOMSYMBOL pSymbol = GetFirstSymbol();
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ULONG ul = 0;
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while( ul++ < ulSymbol )
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pSymbol = pSymbol->pNext;
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return ! hb_compFunctionFind( pSymbol->szName );
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}
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static USHORT GetExternalPos( char * szExternal )
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{
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USHORT w = 0;
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while( w < wExternals )
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{
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if( ! strcmp( szExternal, externNames[ w ] ) )
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break;
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w++;
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}
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return w;
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}
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static void GenerateLocalNames( FILE * hObjFile )
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{
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char * localNames[] = { "_TEXT", "CODE", "_DATA", "DATA",
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"HB_SYMBOLS", "HB_STARTSYMBOLS", "HB_ENDSYMBOLS", "SYMGROUP", 0 };
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LocalNames( hObjFile, localNames );
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}
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static void GenerateSymbolsSegment( FILE * hObjFile )
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{
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BYTE symbolsData[] = { 0, 0, 0, 0, 0, 0 };
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BYTE groupSegments[] = { 3, 4, 5, 0 }; /* segments order for HB_... */
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DefineSegment( hObjFile, 7, 5, 0 ); /* 7 = HB_STARTSYMBOLS, 5 = DATA */
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DefineSegment( hObjFile, 6, /* "HB_SYMBOLS" position + 1 into localNames */
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5, /* "DATA" position + 1 into localNames */
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6 ); /* segment length */
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DefineSegment( hObjFile, 8, 5, 0 ); /* 8 = HB_ENDSYMBOLS, 5 = DATA */
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GroupDef( hObjFile, 8, groupSegments ); /* 8 = "SYMGROUP" localNames position */
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* ( USHORT * ) symbolsData = GetSymbolsAmount();
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EnumeratedData( hObjFile, 4, symbolsData, sizeof( symbolsData ), 0 ); /* 4 = HB_SYMBOLS defined segment */
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Fixup( hObjFile, 0xE4, 2, 0x54, 2 ); /* Data: symbols location */
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}
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static void GenerateDataSegment( FILE * hObjFile )
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{
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HB_SYMB symbol;
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ULONG ulSize = GetSymbolsSize();
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PCOMSYMBOL pSymbol = GetFirstSymbol();
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ULONG ulSymbols = GetSymbolsAmount(), ul;
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while( pSymbol )
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{
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ulSize += strlen( pSymbol->szName ) + 1;
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pSymbol = pSymbol->pNext;
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}
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ulSize += GetPCodesSize();
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DefineSegment( hObjFile, 4, /* "_DATA" position + 1 into localNames */
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5, /* "DATA" position + 1 into localNames */
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ulSize ); /* segment length */
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memset( &symbol, 0, sizeof( symbol ) );
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DataSegment( hObjFile, (BYTE *) &symbol,
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sizeof( symbol ), GetSymbolsAmount(), ulSize );
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pSymbol = GetFirstSymbol();
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for( ul = 0; ul < ulSymbols; ul++ )
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{
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Fixup( hObjFile, 0xE4, ( ul * sizeof( HB_SYMB ) ), 0x54, 2 ); /* Data symbol name location */
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if( IsExternal( ul ) )
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{
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if( ! ( pSymbol->cScope & HB_FS_MESSAGE ) )
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Fixup( hObjFile, 0xE4, ( ul * sizeof( HB_SYMB ) ) + 5, 0x56,
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GetExternalPos( GetSymbolName( ul ) ) + 1 );
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}
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else
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{
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/* if( ! ( pSymbol->cScope & HB_FS_MESSAGE ) ) */
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Fixup( hObjFile, 0xE4, ( ul * sizeof( HB_SYMB ) ) + 5, 0x54, 1 ); /* function address location */
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}
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pSymbol = pSymbol->pNext;
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}
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}
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static void GenerateCodeSegment( FILE * hObjFile )
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{
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USHORT wFunctions = hb_comp_functions.iCount - ( hb_comp_bStartProc ? 0: 1 );
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ULONG ulSize = wFunctions * sizeof( prgFunction );
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PFUNCTION pFunc = ( hb_comp_bStartProc ? hb_comp_functions.pFirst: hb_comp_functions.pFirst->pNext );
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USHORT w = 0;
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DefineSegment( hObjFile, 2, /* "_TEXT" position + 1 into localNames */
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3, /* "CODE" position + 1 into localNames */
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ulSize ); /* segment length */
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while( pFunc )
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{
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if( !( pFunc->cScope & ( HB_FS_STATIC | HB_FS_INIT | HB_FS_EXIT ) ) )
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PubDef( hObjFile, pFunc->szName, 1, w * sizeof( prgFunction ) );
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w++;
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pFunc = pFunc->pNext;
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}
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CodeSegment( hObjFile, prgFunction, sizeof( prgFunction ), wFunctions );
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for( w = 0; w < wFunctions; w++ )
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{
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/* prgFunction fixups */
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Fixup( hObjFile, 0xE4, ( w * sizeof( prgFunction ) ) + 1,
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0x54, 2 ); /* Data: symbols location */
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Fixup( hObjFile, 0xE4, ( w * sizeof( prgFunction ) ) + 6,
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0x54, 2 ); /* Data pcode location */
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Fixup( hObjFile, 0xA4, ( w * sizeof( prgFunction ) ) + 11,
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0x56, 1 ); /* External: _hb_vmExecute */
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}
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}
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static void GenerateExternals( FILE * hObjFile )
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{
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USHORT w;
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PFUNCTION pFunc, pFTemp;
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/* calculate amount of externals */
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pFunc = hb_comp_funcalls.pFirst;
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while( pFunc )
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{
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if( ( pFTemp = hb_compFunctionFind( pFunc->szName ) ) == NULL || pFTemp == hb_comp_functions.pFirst )
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wExternals++;
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pFunc = pFunc->pNext;
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}
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if( wExternals )
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{
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externNames = ( char * * ) hb_xgrab( sizeof( char * ) * ( wExternals + 2 ) );
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w = 1;
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externNames[ 0 ] = "_hb_vmExecute";
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pFunc = hb_comp_funcalls.pFirst;
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while( pFunc )
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{
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if( ( pFTemp = hb_compFunctionFind( pFunc->szName ) ) == NULL || pFTemp == hb_comp_functions.pFirst )
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externNames[ w++ ] = pFunc->szName;
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pFunc = pFunc->pNext;
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}
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externNames[ w ] = 0;
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ExternalNames( hObjFile, externNames );
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}
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}
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static void putbyte( BYTE b, FILE * hObjFile, BYTE * pbChecksum )
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{
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fputc( b, hObjFile );
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* pbChecksum += b;
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}
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static void putword( USHORT w, FILE * hObjFile, BYTE * pbChecksum )
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{
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putbyte( HB_LOBYTE( w ), hObjFile, pbChecksum );
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putbyte( HB_HIBYTE( w ), hObjFile, pbChecksum );
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}
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static void CompiledFileName( FILE * hObjFile, char * szFileName )
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{
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USHORT wLen = strlen( szFileName );
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BYTE bChk = 0; /* this is a checksum the linker will check to asure OBJ integrity */
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BYTE bChar;
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putbyte( 0x80, hObjFile, &bChk ); /* this tells the linker the kind of OBJ record this is */
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putbyte( 1 + 1 + wLen, hObjFile, &bChk ); /* now it comes the total length of this OBJ record */
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putbyte( 0, hObjFile, &bChk );
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putbyte( wLen, hObjFile, &bChk ); /* szFileName length */
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while( (bChar = * szFileName++) )
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putbyte( bChar, hObjFile, &bChk ); /* each of the szFileName characters */
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putbyte( 256 - bChk, hObjFile, &bChk ); /* a checksum that will be recalculated by the linker */
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}
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static void CompilerVersion( FILE * hObjFile, char * szVersion )
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{
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USHORT wLen = strlen( szVersion );
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BYTE bChk = 0; /* this is a checksum the linker will check to asure OBJ integrity */
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BYTE bChar;
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putbyte( 0x88, hObjFile, &bChk ); /* this tells the linker the kind of OBJ record this is */
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putword( 3 + wLen, hObjFile, &bChk ); /* now it comes the total length of this OBJ record */
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putword( 0, hObjFile, &bChk );
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while( ( bChar = * szVersion++ ) )
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putbyte( bChar, hObjFile, &bChk ); /* each of the szFileName characters */
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putbyte( 256 - bChk, hObjFile, &bChk ); /* a checksum that will be recalculated by the linker */
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}
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static void LocalNames( FILE * hObjFile, char * szNames[] )
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{
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BYTE b = 0, c;
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USHORT wTotalLen = 0;
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BYTE bChk = 0;
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while( szNames[ b ] )
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wTotalLen += strlen( szNames[ b++ ] );
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wTotalLen += 2 + b;
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putbyte( 0x96, hObjFile, &bChk );
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putword( wTotalLen, hObjFile, &bChk );
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putbyte( 0, hObjFile, &bChk );
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b = 0;
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while( szNames[ b ] )
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{
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putbyte( strlen( szNames[ b ] ), hObjFile, &bChk );
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c = 0;
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while( szNames[ b ][ c ] )
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putbyte( szNames[ b ][ c++ ], hObjFile, &bChk );
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b++;
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}
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putbyte( 256 - bChk, hObjFile, &bChk );
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}
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static void ExternalNames( FILE * hObjFile, char * szNames[] )
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{
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BYTE b = 0, c;
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USHORT wTotalLen = 0;
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BYTE bChk = 0;
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while( szNames[ b ] )
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{
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if( b == 0 )
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wTotalLen += strlen( szNames[ b++ ] ) + 1;
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else
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wTotalLen += strlen( szPrefix ) + strlen( szNames[ b++ ] ) + 1;
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}
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wTotalLen += 2 + b - 1;
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putbyte( 0x8C, hObjFile, &bChk );
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putword( wTotalLen, hObjFile, &bChk );
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b = 0;
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while( szNames[ b ] )
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{
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if( b == 0 )
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putbyte( strlen( szNames[ b ] ), hObjFile, &bChk );
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else
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putbyte( strlen( szPrefix ) + strlen( szNames[ b ] ), hObjFile, &bChk );
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c = 0;
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if( b > 0 )
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{
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while( szPrefix[ c ] )
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putbyte( szPrefix[ c++ ], hObjFile, &bChk );
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c = 0;
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}
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while( szNames[ b ][ c ] )
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putbyte( szNames[ b ][ c++ ], hObjFile, &bChk );
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putbyte( 0, hObjFile, &bChk );
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b++;
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}
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putbyte( 256 - bChk, hObjFile, &bChk );
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}
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static void CodeSegment( FILE * hObjFile, BYTE * prgCode, ULONG ulPrgLen, USHORT wFunctions )
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{
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BYTE bChk = 0;
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USHORT y;
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USHORT wTotalLen = ( ulPrgLen * wFunctions ) + 4;
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ULONG ul;
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PFUNCTION pFunction = hb_comp_functions.pFirst;
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ULONG ulPCodeOffset = hb_comp_symbols.iCount * sizeof( HB_SYMB );
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if( ! hb_comp_bStartProc )
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pFunction = pFunction->pNext;
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putbyte( 0xA0, hObjFile, &bChk );
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putword( wTotalLen, hObjFile, &bChk );
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putbyte( 1, hObjFile, &bChk ); /* 1 = _TEXT segment */
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putword( 0, hObjFile, &bChk ); /* 0 = offset */
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for( y = 0; y < wFunctions; y++ )
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{
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* ( ULONG * ) &prgCode[ 6 ] = ulPCodeOffset; /* function pcode offset */
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for( ul = 0; ul < ulPrgLen; ul++ )
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putbyte( * ( prgCode + ul ), hObjFile, &bChk );
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ulPCodeOffset += pFunction->lPCodePos; // + 1; /* HB_P_ENDPROC !!! */
|
|
|
|
if( ! ( GetFunctionLocalsCount( pFunction ) || pFunction->wParamCount ) )
|
|
ulPCodeOffset -= 3; /* remove frame 3 bytes pcode */
|
|
|
|
if( ! ( pFunction->bFlags & FUN_USES_STATICS ) )
|
|
ulPCodeOffset -= 3; /* remove statics frame */
|
|
|
|
pFunction = pFunction->pNext;
|
|
}
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void DataSegment( FILE * hObjFile, BYTE * symbol, ULONG wSymLen, ULONG wSymbols,
|
|
ULONG ulSize )
|
|
{
|
|
BYTE bChk = 0;
|
|
ULONG w, y;
|
|
USHORT wTotalLen = 4 + ulSize;
|
|
PCOMSYMBOL pSymbol = GetFirstSymbol();
|
|
PFUNCTION pFunction = hb_comp_functions.pFirst;
|
|
ULONG ulSymbolNameOffset = GetSymbolsSize() + GetPCodesSize();
|
|
ULONG ulFunctionOffset;
|
|
|
|
if( ! hb_comp_bStartProc )
|
|
pFunction = pFunction->pNext;
|
|
|
|
putbyte( 0xA0, hObjFile, &bChk );
|
|
putword( wTotalLen, hObjFile, &bChk );
|
|
putbyte( 2, hObjFile, &bChk ); /* 2 = _DATA segment */
|
|
putword( 0, hObjFile, &bChk ); /* 0 = offset */
|
|
|
|
for( y = 0; y < wSymbols; y++ )
|
|
{
|
|
* ( ULONG * ) symbol = ulSymbolNameOffset;
|
|
|
|
if( ! IsExternal( y ) )
|
|
{
|
|
ulFunctionOffset = ( hb_compFunctionGetPos( pSymbol->szName ) - 1 ) *
|
|
sizeof( prgFunction );
|
|
* ( ( ULONG * ) &symbol[ 5 ] ) = ulFunctionOffset;
|
|
}
|
|
else
|
|
* ( ( ULONG * ) &symbol[ 5 ] ) = 0;
|
|
|
|
if( pSymbol->cScope == HB_FS_MESSAGE )
|
|
symbol[ 4 ] = HB_FS_PUBLIC;
|
|
else
|
|
symbol[ 4 ] = pSymbol->cScope;
|
|
|
|
for( w = 0; w < wSymLen; w++ )
|
|
putbyte( * ( symbol + w ), hObjFile, &bChk );
|
|
|
|
ulSymbolNameOffset += strlen( pSymbol->szName ) + 1;
|
|
pSymbol = pSymbol->pNext;
|
|
}
|
|
|
|
while( pFunction )
|
|
{
|
|
w = 0;
|
|
while( w < pFunction->lPCodePos )
|
|
{
|
|
switch( pFunction->pCode[ w ] )
|
|
{
|
|
case HB_P_JUMPSHORT:
|
|
case HB_P_JUMPSHORTFALSE:
|
|
case HB_P_JUMPSHORTTRUE:
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
w += 2;
|
|
}
|
|
break;
|
|
|
|
case HB_P_ARRAYDIM:
|
|
case HB_P_ARRAYGEN:
|
|
case HB_P_DO:
|
|
case HB_P_FUNCTION:
|
|
case HB_P_JUMP:
|
|
case HB_P_JUMPFALSE:
|
|
case HB_P_JUMPTRUE:
|
|
case HB_P_LINE:
|
|
case HB_P_MESSAGE:
|
|
case HB_P_POPALIASEDFIELD:
|
|
case HB_P_POPFIELD:
|
|
case HB_P_POPLOCAL:
|
|
case HB_P_POPMEMVAR:
|
|
case HB_P_POPSTATIC:
|
|
case HB_P_POPVARIABLE:
|
|
case HB_P_PUSHALIASEDFIELD:
|
|
case HB_P_PUSHALIASEDVAR:
|
|
case HB_P_PUSHFIELD:
|
|
case HB_P_PUSHINT:
|
|
case HB_P_PUSHLOCAL:
|
|
case HB_P_PUSHLOCALREF:
|
|
case HB_P_PUSHMEMVAR:
|
|
case HB_P_PUSHMEMVARREF:
|
|
case HB_P_PUSHSTATIC:
|
|
case HB_P_PUSHSTATICREF:
|
|
case HB_P_PUSHSYM:
|
|
case HB_P_PUSHVARIABLE:
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 2 ], hObjFile, &bChk );
|
|
w += 3;
|
|
}
|
|
break;
|
|
|
|
case HB_P_JUMPFAR:
|
|
case HB_P_JUMPFARFALSE:
|
|
case HB_P_JUMPFARTRUE:
|
|
case HB_P_PARAMETER:
|
|
case HB_P_SEQBEGIN:
|
|
case HB_P_SEQEND:
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 2 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 3 ], hObjFile, &bChk );
|
|
w += 4;
|
|
}
|
|
break;
|
|
|
|
case HB_P_PUSHLONG:
|
|
case HB_P_STATICS:
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 2 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 3 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 4 ], hObjFile, &bChk );
|
|
w += 5;
|
|
}
|
|
break;
|
|
|
|
case HB_P_FRAME:
|
|
{
|
|
BYTE bLocals = GetFunctionLocalsCount( pFunction );
|
|
|
|
if( bLocals || pFunction->wParamCount )
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( bLocals - pFunction->wParamCount, hObjFile, &bChk );
|
|
putbyte( pFunction->wParamCount, hObjFile, &bChk );
|
|
}
|
|
w += 3;
|
|
}
|
|
break;
|
|
|
|
case HB_P_SFRAME:
|
|
{
|
|
USHORT wPos;
|
|
if( pFunction->bFlags & FUN_USES_STATICS )
|
|
{
|
|
hb_compSymbolFind( hb_comp_pInitFunc->szName, &wPos );
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putword( wPos, hObjFile, &bChk );
|
|
}
|
|
w += 3;
|
|
}
|
|
break;
|
|
|
|
case HB_P_PUSHSTR:
|
|
{
|
|
USHORT uLen = pFunction->pCode[ w + 1 ] +
|
|
pFunction->pCode[ w + 2 ] * 256;
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putword( uLen, hObjFile, &bChk );
|
|
w += 3;
|
|
|
|
if( uLen > 0 )
|
|
{
|
|
USHORT u = 0;
|
|
|
|
while( u++ < uLen )
|
|
putbyte( pFunction->pCode[ w++ ], hObjFile, &bChk );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case HB_P_LOCALNAME:
|
|
{
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 2 ], hObjFile, &bChk );
|
|
w += 3;
|
|
|
|
do {
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
} while( pFunction->pCode[ w++ ] );
|
|
}
|
|
break;
|
|
|
|
case HB_P_MODULENAME:
|
|
{
|
|
putbyte( pFunction->pCode[ w++ ], hObjFile, &bChk );
|
|
|
|
do {
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
} while( pFunction->pCode[ w++ ] );
|
|
}
|
|
break;
|
|
|
|
case HB_P_PUSHBLOCK:
|
|
{
|
|
USHORT uVars = pFunction->pCode[ w + 5 ] +
|
|
pFunction->pCode[ w + 6 ] * 256;
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 1 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 2 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 3 ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w + 4 ], hObjFile, &bChk );
|
|
putword( uVars, hObjFile, &bChk );
|
|
w += 7;
|
|
while( uVars-- )
|
|
{
|
|
putbyte( pFunction->pCode[ w++ ], hObjFile, &bChk );
|
|
putbyte( pFunction->pCode[ w++ ], hObjFile, &bChk );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case HB_P_PUSHDOUBLE:
|
|
{
|
|
int i = 0;
|
|
putbyte( pFunction->pCode[ w ], hObjFile, &bChk );
|
|
while( i++ < sizeof( double ) + sizeof( BYTE ) )
|
|
putbyte( pFunction->pCode[ ++w ], hObjFile, &bChk );
|
|
++w;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
putbyte( pFunction->pCode[ w++ ], hObjFile, &bChk );
|
|
}
|
|
}
|
|
|
|
pFunction = pFunction->pNext;
|
|
}
|
|
|
|
pSymbol = GetFirstSymbol();
|
|
|
|
while( pSymbol )
|
|
{
|
|
for( w = 0; w < strlen( pSymbol->szName ); w++ )
|
|
putbyte( pSymbol->szName[ w ], hObjFile, &bChk );
|
|
|
|
putbyte( 0, hObjFile, &bChk );
|
|
pSymbol = pSymbol->pNext;
|
|
}
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void DefineSegment( FILE * hObjFile, BYTE bName, BYTE bClass, USHORT wLen )
|
|
{
|
|
BYTE bChk = 0;
|
|
|
|
putbyte( 0x98, hObjFile, &bChk );
|
|
putbyte( 7, hObjFile, &bChk ); /* SegDef records have always this length */
|
|
putbyte( 0, hObjFile, &bChk );
|
|
|
|
putbyte( 0xA9, hObjFile, &bChk );
|
|
putword( wLen, hObjFile, &bChk );
|
|
putbyte( bName, hObjFile, &bChk );
|
|
putbyte( bClass, hObjFile, &bChk );
|
|
putbyte( 0, hObjFile, &bChk );
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void PubDef( FILE * hObjFile, char * szName, USHORT wSegment, USHORT wOffset )
|
|
{
|
|
BYTE bChk = 0;
|
|
BYTE bChar;
|
|
USHORT wLen = 2 + 2 + strlen( szPrefix ) + strlen( szName ) + 2 + 1;
|
|
char * szTemp;
|
|
|
|
putbyte( 0x90, hObjFile, &bChk );
|
|
putword( wLen, hObjFile, &bChk );
|
|
putbyte( 0x00, hObjFile, &bChk );
|
|
putbyte( wSegment, hObjFile, &bChk );
|
|
putbyte( strlen( szPrefix ) + strlen( szName ), hObjFile, &bChk );
|
|
|
|
szTemp = szPrefix;
|
|
while( ( bChar = * szTemp++ ) )
|
|
putbyte( bChar, hObjFile, &bChk );
|
|
|
|
while( ( bChar = * szName++ ) )
|
|
putbyte( bChar, hObjFile, &bChk );
|
|
|
|
putword( wOffset, hObjFile, &bChk );
|
|
putbyte( 0x00, hObjFile, &bChk );
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void Fixup( FILE * hObjFile, BYTE bType, USHORT wOffset, BYTE bFlags, BYTE bSymbol )
|
|
{
|
|
BYTE bChk = 0;
|
|
|
|
putbyte( 0x9D, hObjFile, &bChk );
|
|
putword( 5, hObjFile, &bChk );
|
|
putbyte( bType + HB_HIBYTE( wOffset ), hObjFile, &bChk );
|
|
putbyte( HB_LOBYTE( wOffset ), hObjFile, &bChk );
|
|
putbyte( bFlags, hObjFile, &bChk );
|
|
putbyte( bSymbol, hObjFile, &bChk );
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void EnumeratedData( FILE * hObjFile, BYTE bSegment, BYTE * pData, USHORT wLen, USHORT wOffset )
|
|
{
|
|
BYTE bChk = 0;
|
|
USHORT w;
|
|
|
|
putbyte( 0xA0, hObjFile, &bChk );
|
|
putword( ( USHORT ) ( wLen + 4 ), hObjFile, &bChk );
|
|
putbyte( bSegment, hObjFile, &bChk );
|
|
putword( wOffset, hObjFile, &bChk );
|
|
|
|
for( w = 0; w < wLen; w++ )
|
|
putbyte( * ( pData + w ), hObjFile, &bChk );
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void End( FILE * hObjFile )
|
|
{
|
|
BYTE bChk = 0;
|
|
|
|
putbyte( 0x8A, hObjFile, &bChk );
|
|
putbyte( 0x02, hObjFile, &bChk );
|
|
putbyte( 0x00, hObjFile, &bChk );
|
|
putbyte( 0x00, hObjFile, &bChk );
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
static void GroupDef( FILE * hObjFile, BYTE bName, BYTE * aSegs )
|
|
{
|
|
BYTE bChk = 0;
|
|
USHORT wRecLen = 2;
|
|
USHORT w = 0;
|
|
|
|
while( aSegs[ w++ ] )
|
|
wRecLen += 2;
|
|
|
|
putbyte( 0x9A, hObjFile, &bChk );
|
|
putword( wRecLen, hObjFile, &bChk );
|
|
putbyte( bName + 1, hObjFile, &bChk );
|
|
|
|
w = 0;
|
|
while( aSegs[ w ] )
|
|
{
|
|
putbyte( 0xFF, hObjFile, &bChk );
|
|
putbyte( aSegs[ w++ ], hObjFile, &bChk );
|
|
}
|
|
|
|
putbyte( 256 - bChk, hObjFile, &bChk );
|
|
}
|
|
|
|
#endif /* HARBOUR_OBJ_GENERATION */ |