bool ObjInit( char *fname ) {
//***************************
owl_client_funcs funcs = {
(int (*)( owl_client_file, const char *, uint ))write,
(long (*)( owl_client_file ))tell,
(long (*)( owl_client_file, long, int ))lseek,
MemAlloc,
MemFree
};
char name[ _MAX_FNAME ];
owl_format obj_format;
SectionInit();
_splitpath( fname, NULL, NULL, name, NULL );
if( !objectDefined ) {
_makepath( objName, NULL, NULL, name, OBJ_EXT );
} else {
char tmpName[ _MAX_PATH2 ];
char *tmpNode;
char *tmpDir;
char *tmpFname;
char *tmpExt;
_splitpath2( objName, tmpName, &tmpNode, &tmpDir, &tmpFname, &tmpExt );
if( *tmpExt == 0 )
tmpExt = OBJ_EXT;
if( *tmpFname == 0 )
tmpFname = name;
_makepath( objName, tmpNode, tmpDir, tmpFname, tmpExt );
}
objectDefined = FALSE; // so that the /fo applies only to the 1st obj
_makepath( errorFilename, NULL, NULL, name, ".err" );
objFile = open( objName, O_CREAT | O_TRUNC | O_BINARY | O_WRONLY, PMODE_RW );
if( objFile == -1 ) {
AsOutMessage( stderr, UNABLE_TO_CREATE, objName );
fputc( '\n', stderr );
return( FALSE );
}
ErrorFile = fopen( errorFilename, "wt" );
OwlHandle = OWLInit( &funcs, OBJ_OWL_CPU );
obj_format = ( _IsOption( OBJ_COFF ) ? OWL_FORMAT_COFF : OWL_FORMAT_ELF );
OwlFile = OWLFileInit( OwlHandle, fname, (owl_client_file)(pointer_int)objFile, obj_format, OWL_FILE_OBJECT );
ObjSwitchSection( AS_SECTION_TEXT );
CurrAlignment = 0;
return( TRUE );
}
extern bool OptionsInit( int argc, char **argv ) {
//************************************************
char *s;
#ifdef AS_ALPHA
s = "__WASAXP__=" BANSTR( _BANVER ) ;
#elif defined( AS_PPC )
s = "__WASPPC__=" BANSTR( _BANVER ) ;
#elif defined( AS_MIPS )
s = "__WASMPS__=" BANSTR( _BANVER ) ;
#endif
maxNumPredefines = argc + 2; // version macro and extra null at the end
if( !optionsPredefine( s ) )
goto errInvalid;
while( *argv ) {
if( argv[0][0] == '-' || argv[0][0] == '/' ) {
s = &argv[0][2];
switch( argv[0][1] ) {
case 'b':
case 'B':
// ignore the -bt=NT crap
break;
case 'd':
case 'D':
if( isdigit( *s ) ) {
DebugLevel = strtoul( s, &s, 10 );
} else if( !optionsPredefine( s ) ) {
goto errInvalid;
}
break;
case 'e':
if( *s == '\0' ) goto errInvalid;
ErrorLimit = strtoul( s, &s, 10 );
if( *s != '\0' ) goto errInvalid;
break;
case 'f':
case 'F':
switch( *s ) {
case 'o':
++s;
if( *s == '=' ) ++s;
if( *s == '\0' ) goto errInvalid;
ObjSetObjFile( s );
break;
default:
goto errInvalid;
}
break;
case 'h':
case '?':
_SetOption( PRINT_HELP );
break;
case 'i':
case 'I':
if( *s == '=' ) {
++s;
}
if( *s == '\0' ) break;
if( AsIncPath ) { // Additional /i switch
AsIncPath = MemRealloc( AsIncPath, strlen( AsIncPath ) +
strlen( s ) + 2 ); // for ';' and EOL
strcat( AsIncPath, ";" );
strcat( AsIncPath, s );
} else { // First /i switch
AsIncPath = MemAlloc( strlen( s ) + 1 );
strcpy( AsIncPath, s );
}
break;
case 'o':
switch( *s ) {
case 'c':
_SetOption( OBJ_COFF );
break;
case 'e': // ELF
_UnsetOption( OBJ_COFF );
break;
default:
goto errInvalid;
}
if( *++s != '\0' ) goto errInvalid;
break;
case 'q':
_SetOption( BE_QUIET );
break;
case 'w':
if( isdigit( *s ) ) {
WarningLevel = strtoul( s, &s, 10 );
} else {
switch( *s ) {
case 'e':
_SetOption( WARNING_ERROR );
break;
default:
goto errInvalid;
}
}
break;
case 'z':
switch( *s ) {
case 'q':
_SetOption( BE_QUIET );
break;
default:
goto errInvalid;
}
break;
#ifndef NDEBUG
case 'v':
while( *s ) {
switch( *s ) {
case 'p':
_SetOption( DUMP_PARSE_TREE );
break;
case 't':
_SetOption( DUMP_INS_TABLE );
break;
case 'i':
_SetOption( DUMP_INSTRUCTIONS );
break;
case 's':
_SetOption( DUMP_SYMBOL_TABLE );
break;
case 'l':
_SetOption( DUMP_LEXER_BUFFER );
break;
case 'd':
_SetOption( DUMP_DEBUG_MSGS );
break;
default:
goto errInvalid;
}
s++;
}
break;
#endif
default:
errInvalid:
Banner();
AsOutMessage( stderr, AS_MSG_ERROR );
AsOutMessage( stderr, INVALID_OPTION, *argv );
fputc( '\n', stderr );
return( FALSE );
break;
}
memcpy( argv, argv+1, sizeof( *argv ) * argc );
} else {
argv++;
}
argc--;
maxNumPredefines--;
}
return( TRUE );
}
int main( int argc, char **argv )
//*******************************
{
static char *fname;
#ifndef __WATCOMC__
_argv = argv;
_argc = argc;
#endif
MemInit();
if( !AsMsgInit() ) {
return( EXIT_FAILURE );
}
if( argc == 1 ) {
Banner();
Usage();
} else if( OptionsInit( --argc, ++argv ) ) {
Banner();
if( _IsOption( PRINT_HELP ) ) {
Usage();
*argv = NULL;
} else if( !*argv ) {
AsOutMessage( stderr, AS_MSG_ERROR );
AsOutMessage( stderr, NO_FILENAME_SPECIFIED );
fputc( '\n', stderr );
}
while( *argv ) {
fname = MakeAsmFilename( *argv );
if( PP_Init( fname, PPFLAG_ASM_COMMENT | PPFLAG_EMIT_LINE, NULL ) != 0 ) {
AsOutMessage( stderr, UNABLE_TO_OPEN, fname );
fputc( '\n', stderr );
} else {
OptionsPPDefine();
SymInit();
InsInit();
DirInit();
if( ObjInit( fname ) ) {
if( setjmp( AsmParse ) == 0 ) {
ErrorCountsReset();
DoReport = TRUE;
if( !yyparse() ) {
CurrLineno--; // This is the total # of lines
ObjRelocsFini(); // Must be done before ErrorReport
// and other finis
} else {
DoReport = FALSE;
}
} else { // AbortParse() was invoked
DoReport = FALSE;
}
ErrorReport();
AsLexerFini();
ObjFini();
}
DirFini();
InsFini();
SymFini();
}
PP_Fini();
++argv;
}
}
OptionsFini();
AsMsgFini();
MemFini();
return( ExitStatus );
}
