2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
9 import IR.Tree.JavaBuilder;
15 import Analysis.TaskStateAnalysis.FlagState;
16 import Analysis.TaskStateAnalysis.FlagComparator;
17 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
18 import Analysis.TaskStateAnalysis.Predicate;
19 import Analysis.TaskStateAnalysis.SafetyAnalysis;
20 import Analysis.TaskStateAnalysis.TaskIndex;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Loops.GlobalFieldType;
23 import Util.CodePrinter;
25 public class BuildCode {
28 Hashtable paramstable;
33 String localsprefix="___locals___";
34 String localsprefixaddr="&"+localsprefix;
35 String localsprefixderef=localsprefix+".";
36 String fcrevert="___fcrevert___";
37 String paramsprefix="___params___";
38 String nextobjstr="___nextobject___";
39 String localcopystr="___localcopy___";
40 public static boolean GENERATEPRECISEGC=false;
41 public static String PREFIX="";
42 public static String arraytype="ArrayObject";
43 public static int flagcount = 0;
45 public TypeUtil typeutil;
46 protected int maxtaskparams=0;
47 protected int maxcount=0;
48 ClassDescriptor[] cdarray;
49 ClassDescriptor[] ifarray;
50 TypeDescriptor[] arraytable;
53 Hashtable<String, ClassDescriptor> printedfieldstbl;
54 int globaldefscount=0;
55 boolean mgcstaticinit = false;
56 JavaBuilder javabuilder;
60 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph, JavaBuilder javabuilder) {
61 this(st, temptovar, typeutil, null, callgraph, javabuilder);
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
65 this(st, temptovar, typeutil, null, callgraph, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
69 this(st, temptovar, typeutil, sa, callgraph, null);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph, JavaBuilder javabuilder) {
75 this.javabuilder=javabuilder;
76 this.callgraph=callgraph;
77 this.temptovar=temptovar;
78 paramstable=new Hashtable();
79 tempstable=new Hashtable();
80 fieldorder=new Hashtable();
81 flagorder=new Hashtable();
82 this.typeutil=typeutil;
83 State.logEvent("Virtual");
84 virtualcalls=new Virtual(state, null, callgraph);
85 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
86 extensions = new Vector<BuildCodeExtension>();
89 typeutil.getClass( TypeUtil.ObjectClass ).getSafeSymbol();
92 /** The buildCode method outputs C code for all the methods. The Flat
93 * versions of the methods must already be generated and stored in
94 * the State object. */
96 public void buildCode() {
97 /* Create output streams to write to */
98 PrintWriter outclassdefs=null;
99 PrintWriter outstructs=null;
100 PrintWriter outrepairstructs=null;
101 PrintWriter outmethodheader=null;
102 PrintWriter outmethod=null;
103 PrintWriter outvirtual=null;
104 PrintWriter outtask=null;
105 PrintWriter outtaskdefs=null;
106 PrintWriter outoptionalarrays=null;
107 PrintWriter optionalheaders=null;
108 PrintWriter outglobaldefs=null;
109 PrintWriter outglobaldefsprim=null;
110 State.logEvent("Beginning of buildCode");
113 buildCodeSetup(); //EXTENSION POINT
114 for(BuildCodeExtension bcx: extensions) {
115 bcx.buildCodeSetup();
118 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
119 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
120 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
121 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
122 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
123 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
124 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
126 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
127 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
128 if (state.OPTIONAL) {
129 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
130 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
133 if (state.structfile!=null) {
134 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
136 } catch (Exception e) {
141 /* Fix field safe symbols due to shadowing */
142 FieldShadow.handleFieldShadow(state);
144 /* Build the virtual dispatch tables */
145 buildVirtualTables(outvirtual);
147 /* Tag the methods that are invoked by static blocks */
148 tagMethodInvokedByStaticBlock();
150 /* Output includes */
151 outmethodheader.println("#ifndef METHODHEADERS_H");
152 outmethodheader.println("#define METHODHEADERS_H");
153 outmethodheader.println("#include \"structdefs.h\"");
155 if (state.EVENTMONITOR) {
156 outmethodheader.println("#include \"monitor.h\"");
159 additionalIncludesMethodsHeader(outmethodheader);
160 for(BuildCodeExtension bcx: extensions) {
161 bcx.additionalIncludesMethodsHeader(outmethodheader);
164 /* Output Structures */
165 outputStructs(outstructs);
167 initOutputGlobals(outglobaldefs, outglobaldefsprim);
169 outclassdefs.println("#ifndef __CLASSDEF_H_");
170 outclassdefs.println("#define __CLASSDEF_H_");
171 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
173 // Output function prototypes and structures for parameters
174 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
175 while(it.hasNext()) {
176 ClassDescriptor cn=(ClassDescriptor)it.next();
177 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
179 outclassdefs.println("#include \"globaldefs.h\"");
180 outclassdefs.println("#include \"globaldefsprim.h\"");
181 outclassdefs.println("#endif");
182 outclassdefs.close();
184 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
187 /* Map flags to integers */
188 /* The runtime keeps track of flags using these integers */
189 it=state.getClassSymbolTable().getDescriptorsIterator();
190 while(it.hasNext()) {
191 ClassDescriptor cn=(ClassDescriptor)it.next();
195 generateTaskStructs(outstructs, outmethodheader);
197 /* Outputs generic task structures if this is a task
199 outputTaskTypes(outtask);
202 // an opportunity for subclasses to do extra
204 preCodeGenInitialization();
205 for(BuildCodeExtension bcx: extensions) {
206 bcx.preCodeGenInitialization();
209 State.logEvent("Start outputMethods");
210 /* Build the actual methods */
211 outputMethods(outmethod);
212 State.logEvent("End outputMethods");
214 // opportunity for subclasses to gen extra code
215 additionalCodeGen(outmethodheader, outstructs, outmethod);
216 for(BuildCodeExtension bcx: extensions) {
217 bcx.additionalCodeGen(outmethodheader, outstructs, outmethod);
222 /* Output code for tasks */
223 outputTaskCode(outtaskdefs, outmethod);
226 /* Record maximum number of task parameters */
227 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
228 } else if (state.main!=null) {
229 /* Generate main method */
230 outputMainMethod(outmethod);
233 /* Generate information for task with optional parameters */
234 if (state.TASK&&state.OPTIONAL) {
235 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
236 outoptionalarrays.close();
237 optionalheaders.close();
240 /* Output structure definitions for repair tool */
241 if (state.structfile!=null) {
242 buildRepairStructs(outrepairstructs);
243 outrepairstructs.close();
247 outmethodheader.println("#endif");
248 outmethodheader.close();
250 outstructs.println("#endif");
251 outstructs.println();
254 postCodeGenCleanUp();
255 for(BuildCodeExtension bcx: extensions) {
256 bcx.postCodeGenCleanUp();
259 State.logEvent("End of buildCode");
262 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
263 // Output the C class declarations
264 // These could mutually reference each other
265 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
266 outglobaldefs.println("#define __GLOBALDEF_H_");
267 outglobaldefs.println("");
268 outglobaldefs.println("struct global_defs_t {");
269 outglobaldefs.println(" int size;");
270 outglobaldefs.println(" void * next;");
271 outglobaldefs.println(" struct ArrayObject * classobjs;");
272 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
273 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
274 outglobaldefsprim.println("");
275 outglobaldefsprim.println("struct global_defsprim_t {");
278 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
279 outglobaldefs.println("};");
280 outglobaldefs.println("");
281 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
282 outglobaldefs.println("#endif");
283 outglobaldefs.flush();
284 outglobaldefs.close();
286 outglobaldefsprim.println("};");
287 outglobaldefsprim.println("");
288 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
289 outglobaldefsprim.println("#endif");
290 outglobaldefsprim.flush();
291 outglobaldefsprim.close();
294 /* This method goes though the call graph and tag those methods that are
295 * invoked inside static blocks
297 protected void tagMethodInvokedByStaticBlock() {
298 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
299 MethodDescriptor current_md=null;
300 HashSet tovisit=new HashSet();
301 HashSet visited=new HashSet();
303 while(it_sclasses.hasNext()) {
304 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
305 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
311 while(!tovisit.isEmpty()) {
312 current_md=(MethodDescriptor)tovisit.iterator().next();
313 tovisit.remove(current_md);
314 visited.add(current_md);
315 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
316 while(it_callee.hasNext()) {
317 Descriptor d = (Descriptor)it_callee.next();
318 if(d instanceof MethodDescriptor) {
319 if(!visited.contains(d)) {
320 ((MethodDescriptor)d).setIsInvokedByStatic(true);
328 /* This code generates code for each static block and static field
330 protected void outputStaticBlocks(PrintWriter outmethod) {
331 // execute all the static blocks and all the static field initializations
332 // execute all the static blocks and all the static field initializations
333 SymbolTable sctbl = this.state.getSClassSymbolTable();
334 Iterator it_sclasses = sctbl.getDescriptorsIterator();
335 if(it_sclasses.hasNext()) {
336 while(it_sclasses.hasNext()) {
337 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
338 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
340 if(t_md != null&&callgraph.isInit(t_cd)) {
341 outmethod.println(" {");
342 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
343 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
344 outmethod.println("0, NULL};");
345 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
347 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
349 outmethod.println(" }");
355 /* This code generates code to create a Class object for each class for
358 protected void outputClassObjects(PrintWriter outmethod) {
359 // create a global classobj array
360 outmethod.println(" {");
361 outmethod.println(" int i = 0;");
362 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
363 outmethod.println(" struct garbagelist dummy={0,NULL};");
364 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
365 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
367 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
368 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
370 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
371 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
372 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
374 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
376 outmethod.println(" }");
377 outmethod.println(" }");
380 /* This code just generates the main C method for java programs.
381 * The main C method packs up the arguments into a string array
382 * and passes it to the java main method. */
384 protected void outputMainMethod(PrintWriter outmethod) {
385 outmethod.println("int main(int argc, const char *argv[]) {");
386 outmethod.println(" int i;");
388 outmethod.println("initializethreads();");
390 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
391 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
392 if (GENERATEPRECISEGC) {
393 outmethod.println(" global_defs_p->size="+globaldefscount+";");
394 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
395 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
396 outmethod.println(" }");
398 outputStaticBlocks(outmethod);
399 outputClassObjects(outmethod);
402 additionalCodeAtTopOfMain(outmethod);
403 for(BuildCodeExtension bcx: extensions) {
404 bcx.additionalCodeAtTopOfMain(outmethod);
408 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
409 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
411 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
413 outmethod.println(" for(i=1;i<argc;i++) {");
414 outmethod.println(" int length=strlen(argv[i]);");
416 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
417 String stringclassstring="struct "+stringclass.getSafeSymbol();
419 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
420 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
422 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
424 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
425 outmethod.println(" }");
428 additionalCodeForCommandLineArgs(outmethod, "stringarray");
429 for(BuildCodeExtension bcx: extensions) {
430 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
434 MethodDescriptor md=typeutil.getMain();
435 ClassDescriptor cd=typeutil.getMainClass();
437 outmethod.println(" {");
438 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
439 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
440 outmethod.println("1, NULL,"+"stringarray};");
441 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
443 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
445 outmethod.println(" }");
448 outmethod.println("pthread_mutex_lock(&gclistlock);");
449 outmethod.println("threadcount--;");
450 outmethod.println("pthread_cond_signal(&gccond);");
451 outmethod.println("pthread_mutex_unlock(&gclistlock);");
454 if (state.EVENTMONITOR) {
455 outmethod.println("dumpdata();");
459 outmethod.println("pthread_exit(NULL);");
462 additionalCodeAtBottomOfMain(outmethod);
463 for(BuildCodeExtension bcx: extensions) {
464 bcx.additionalCodeAtBottomOfMain(outmethod);
468 outmethod.println("}");
471 /* This method outputs code for each task. */
473 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
474 /* Compile task based program */
475 outtaskdefs.println("#include \"task.h\"");
476 outtaskdefs.println("#include \"methodheaders.h\"");
477 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
478 while(taskit.hasNext()) {
479 TaskDescriptor td=(TaskDescriptor)taskit.next();
480 FlatMethod fm=state.getMethodFlat(td);
482 generateFlatMethod(fm, outmethod);
483 generateTaskDescriptor(outtaskdefs, fm, td);
486 //Output task descriptors
487 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
488 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
490 while(taskit.hasNext()) {
491 TaskDescriptor td=(TaskDescriptor)taskit.next();
495 outtaskdefs.println(",");
496 outtaskdefs.print("&task_"+td.getSafeSymbol());
498 outtaskdefs.println("};");
500 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
504 /* This method outputs most of the methods.c file. This includes
505 * some standard includes and then an array with the sizes of
506 * objets and array that stores supertype and then the code for
507 * the Java methods.. */
508 protected void outputMethods(PrintWriter outmethod) {
509 outmethod.println("#include \"methodheaders.h\"");
510 outmethod.println("#include \"virtualtable.h\"");
511 outmethod.println("#include \"runtime.h\"");
513 outmethod.println("#include \"jni-private.h\"");
516 // always include: compiler directives will leave out
517 // instrumentation when option is not set
518 if(!state.MULTICORE) {
519 outmethod.println("#include \"coreprof/coreprof.h\"");
522 if (state.FASTCHECK) {
523 outmethod.println("#include \"localobjects.h\"");
525 if(state.MULTICORE) {
527 outmethod.println("#include \"task.h\"");
529 outmethod.println("#include \"multicoreruntime.h\"");
530 outmethod.println("#include \"runtime_arch.h\"");
532 if (state.THREAD||state.DSM||state.SINGLETM) {
533 outmethod.println("#include <thread.h>");
536 outmethod.println("#include \"thread.h\"");
538 if (state.main!=null) {
539 outmethod.println("#include <string.h>");
541 if (state.CONSCHECK) {
542 outmethod.println("#include \"checkers.h\"");
545 additionalIncludesMethodsImplementation(outmethod);
546 for(BuildCodeExtension bcx: extensions) {
547 bcx.additionalIncludesMethodsImplementation(outmethod);
550 outmethod.println("struct global_defs_t * global_defs_p;");
551 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
552 //Store the sizes of classes & array elements
553 generateSizeArray(outmethod);
555 //Store table of supertypes
556 generateSuperTypeTable(outmethod);
558 //Store the layout of classes
559 generateLayoutStructs(outmethod);
562 additionalCodeAtTopMethodsImplementation(outmethod);
563 for(BuildCodeExtension bcx: extensions) {
564 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
568 generateMethods(outmethod);
571 protected void generateMethods(PrintWriter outmethod) {
572 /* Generate code for methods */
573 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
574 while(classit.hasNext()) {
575 ClassDescriptor cn=(ClassDescriptor)classit.next();
576 Iterator methodit=cn.getMethods();
577 while(methodit.hasNext()) {
578 /* Classify parameters */
579 MethodDescriptor md=(MethodDescriptor)methodit.next();
580 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
584 FlatMethod fm=state.getMethodFlat(md);
585 if (!md.getModifiers().isNative()) {
586 generateFlatMethod(fm, outmethod);
587 } else if (state.JNI) {
588 generateNativeFlatMethod(fm, outmethod);
594 protected void outputStructs(PrintWriter outstructs) {
595 outstructs.println("#ifndef __STRUCTDEFS_H__");
596 outstructs.println("#define __STRUCTDEFS_H__");
597 outstructs.println("#include \"classdefs.h\"");
598 outstructs.println("#ifndef INTPTR");
599 outstructs.println("#ifdef BIT64");
600 outstructs.println("#define INTPTR long");
601 outstructs.println("#else");
602 outstructs.println("#define INTPTR int");
603 outstructs.println("#endif");
604 outstructs.println("#endif");
607 additionalIncludesStructsHeader(outstructs);
608 for(BuildCodeExtension bcx: extensions) {
609 bcx.additionalIncludesStructsHeader(outstructs);
613 /* Output #defines that the runtime uses to determine type
614 * numbers for various objects it needs */
615 outstructs.println("#define MAXCOUNT "+maxcount);
617 outstructs.println("#define STRINGARRAYTYPE "+
618 (state.getArrayNumber(
619 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
621 outstructs.println("#define OBJECTARRAYTYPE "+
622 (state.getArrayNumber(
623 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
626 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
627 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
628 outstructs.println("#define CHARARRAYTYPE "+
629 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
631 outstructs.println("#define BYTEARRAYTYPE "+
632 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
634 outstructs.println("#define BYTEARRAYARRAYTYPE "+
635 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
637 outstructs.println("#define NUMCLASSES "+state.numClasses());
638 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
639 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
641 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
642 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
643 outstructs.println("#define TAGARRAYTYPE "+
644 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
648 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
649 if (state.THREAD||state.DSM||state.SINGLETM)
650 outclassdefs.println("#include <pthread.h>");
651 outclassdefs.println("#ifndef INTPTR");
652 outclassdefs.println("#ifdef BIT64");
653 outclassdefs.println("#define INTPTR long");
654 outclassdefs.println("#else");
655 outclassdefs.println("#define INTPTR int");
656 outclassdefs.println("#endif");
657 outclassdefs.println("#endif");
659 outclassdefs.println("#include \"optionalstruct.h\"");
660 outclassdefs.println("struct "+arraytype+";");
661 /* Start by declaring all structs */
662 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
663 while(it.hasNext()) {
664 ClassDescriptor cn=(ClassDescriptor)it.next();
665 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
667 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
668 // this class has static fields/blocks, need to add a global flag to
669 // indicate if its static fields have been initialized and/or if its
670 // static blocks have been executed
671 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
674 outclassdefs.println("");
675 //Print out definition for array type
676 outclassdefs.println("struct "+arraytype+" {");
677 outclassdefs.println(" int type;");
678 outclassdefs.println(" int hashcode;");
681 additionalClassObjectFields(outclassdefs);
682 for(BuildCodeExtension bcx: extensions) {
683 bcx.additionalClassObjectFields(outclassdefs);
687 if (state.EVENTMONITOR) {
688 outclassdefs.println(" int objuid;");
691 outclassdefs.println(" volatile int tid;");
692 outclassdefs.println(" volatile int notifycount;");
695 outclassdefs.println(" int mutex;");
696 outclassdefs.println(" volatile int notifycount;");
697 outclassdefs.println(" volatile int objlock;");
698 if(state.MULTICOREGC) {
699 //outclassdefs.println(" int marked;");
702 outclassdefs.println(" int marked;");
703 outclassdefs.println(" void * backward;");
707 outclassdefs.println(" int flag;");
708 outclassdefs.println(" int ___cachedCode___;");
709 if(!state.MULTICORE) {
710 outclassdefs.println(" void * flagptr;");
712 outclassdefs.println(" int version;");
713 outclassdefs.println(" int * lock;"); // lock entry for this obj
714 outclassdefs.println(" int mutex;");
715 outclassdefs.println(" volatile int lockcount;");
716 if(state.MULTICOREGC) {
717 //outclassdefs.println(" int marked;");
720 outclassdefs.println(" int marked;");
721 outclassdefs.println(" void * backward;");
725 outclassdefs.println(" int numfses;");
726 outclassdefs.println(" int * fses;");
730 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
731 printedfieldstbl.clear();
733 printExtraArrayFields(outclassdefs);
734 for(BuildCodeExtension bcx: extensions) {
735 bcx.printExtraArrayFields(outclassdefs);
738 if (state.ARRAYPAD) {
739 outclassdefs.println(" int paddingforarray;");
742 outclassdefs.println(" int ___length___;");
743 outclassdefs.println("};\n");
745 outclassdefs.println("");
746 outclassdefs.println("extern int classsize[];");
747 outclassdefs.println("extern int hasflags[];");
748 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
749 outclassdefs.println("extern int* supertypes[];");
750 outclassdefs.println("");
753 /** Prints out definitions for generic task structures */
755 protected void outputTaskTypes(PrintWriter outtask) {
756 outtask.println("#ifndef _TASK_H");
757 outtask.println("#define _TASK_H");
758 outtask.println("struct parameterdescriptor {");
759 outtask.println("int type;");
760 outtask.println("int numberterms;");
761 outtask.println("int *intarray;");
762 outtask.println("void * queue;");
763 outtask.println("int numbertags;");
764 outtask.println("int *tagarray;");
765 outtask.println("};");
767 outtask.println("struct taskdescriptor {");
768 outtask.println("void * taskptr;");
769 outtask.println("int numParameters;");
770 outtask.println(" int numTotal;");
771 outtask.println("struct parameterdescriptor **descriptorarray;");
772 outtask.println("char * name;");
773 outtask.println("};");
774 outtask.println("extern struct taskdescriptor * taskarray[];");
775 outtask.println("extern numtasks;");
776 outtask.println("#endif");
780 protected void buildRepairStructs(PrintWriter outrepairstructs) {
781 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
782 while(classit.hasNext()) {
783 ClassDescriptor cn=(ClassDescriptor)classit.next();
784 outrepairstructs.println("structure "+cn.getSymbol()+" {");
785 outrepairstructs.println(" int __type__;");
787 outrepairstructs.println(" int __flag__;");
788 if(!state.MULTICORE) {
789 outrepairstructs.println(" int __flagptr__;");
792 printRepairStruct(cn, outrepairstructs);
793 outrepairstructs.println("}\n");
796 for(int i=0; i<state.numArrays(); i++) {
797 TypeDescriptor tdarray=arraytable[i];
798 TypeDescriptor tdelement=tdarray.dereference();
799 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
800 outrepairstructs.println(" int __type__;");
801 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
802 outrepairstructs.println(" int length;");
803 outrepairstructs.println("}\n");
807 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
808 ClassDescriptor sp=cn.getSuperDesc();
810 printRepairStruct(sp, output);
812 Vector fields=(Vector)fieldorder.get(cn);
814 for(int i=0; i<fields.size(); i++) {
815 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
816 if (fd.getType().isArray()) {
817 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
818 } else if (fd.getType().isClass())
819 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
820 else if (fd.getType().isFloat())
821 output.println(" int "+fd.getSymbol()+"; /* really float */");
823 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
827 /** This method outputs TaskDescriptor information */
828 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
829 for (int i=0; i<task.numParameters(); i++) {
830 VarDescriptor param_var=task.getParameter(i);
831 TypeDescriptor param_type=task.getParamType(i);
832 FlagExpressionNode param_flag=task.getFlag(param_var);
833 TagExpressionList param_tag=task.getTag(param_var);
836 if (param_flag==null) {
837 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
838 output.println("0x0, 0x0 };");
841 DNFFlag dflag=param_flag.getDNF();
842 dnfterms=dflag.size();
844 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
845 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
846 for(int j=0; j<dflag.size(); j++) {
849 Vector term=dflag.get(j);
852 for(int k=0; k<term.size(); k++) {
853 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
854 FlagDescriptor fd=dfa.getFlag();
855 boolean negated=dfa.getNegated();
856 int flagid=1<<((Integer)flags.get(fd)).intValue();
861 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
863 output.println("};");
866 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
868 for(int j=0; j<param_tag.numTags(); j++) {
871 /* for each tag we need */
872 /* which slot it is */
873 /* what type it is */
874 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
875 TempDescriptor tmp=param_tag.getTemp(j);
876 int slot=fm.getTagInt(tmp);
877 output.println(slot+", "+state.getTagId(tvd.getTag()));
879 output.println("};");
881 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
882 output.println("/* type */"+param_type.getClassDesc().getId()+",");
883 output.println("/* number of DNF terms */"+dnfterms+",");
884 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
885 output.println("0,");
887 output.println("/* number of tags */"+param_tag.numTags()+",");
889 output.println("/* number of tags */ 0,");
890 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
891 output.println("};");
895 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
896 for (int i=0; i<task.numParameters(); i++) {
899 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
901 output.println("};");
903 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
904 output.println("&"+task.getSafeSymbol()+",");
905 output.println("/* number of parameters */" +task.numParameters() + ",");
906 int numtotal=task.numParameters()+fm.numTags();
907 output.println("/* number total parameters */" +numtotal + ",");
908 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
909 output.println("\""+task.getSymbol()+"\"");
910 output.println("};");
914 /** The buildVirtualTables method outputs the virtual dispatch
915 * tables for methods. */
917 protected void buildVirtualTables(PrintWriter outvirtual) {
918 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
919 while(classit.hasNext()) {
920 ClassDescriptor cd=(ClassDescriptor)classit.next();
921 if (virtualcalls.getMethodCount(cd)>maxcount)
922 maxcount=virtualcalls.getMethodCount(cd);
924 MethodDescriptor[][] virtualtable=null;
925 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
927 /* Fill in virtual table */
928 classit=state.getClassSymbolTable().getDescriptorsIterator();
929 while(classit.hasNext()) {
930 ClassDescriptor cd=(ClassDescriptor)classit.next();
931 if(cd.isInterface()) {
934 fillinRow(cd, virtualtable, cd.getId());
937 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
938 Iterator arrayit=state.getArrayIterator();
939 while(arrayit.hasNext()) {
940 TypeDescriptor td=(TypeDescriptor)arrayit.next();
941 int id=state.getArrayNumber(td);
942 fillinRow(objectcd, virtualtable, id+state.numClasses());
945 outvirtual.print("void * virtualtable[]={");
946 boolean needcomma=false;
947 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
948 for(int j=0; j<maxcount; j++) {
950 outvirtual.print(", ");
951 if (virtualtable[i][j]!=null) {
952 MethodDescriptor md=virtualtable[i][j];
953 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
955 outvirtual.print("0");
959 outvirtual.println("");
961 outvirtual.println("};");
965 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
966 /* Get inherited methods */
967 Iterator it_sifs = cd.getSuperInterfaces();
968 while(it_sifs.hasNext()) {
969 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
970 fillinRow(superif, virtualtable, rownum);
972 if (cd.getSuperDesc()!=null)
973 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
974 /* Override them with our methods */
975 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
976 MethodDescriptor md=(MethodDescriptor)it.next();
977 if (md.isStatic()||md.getReturnType()==null)
980 if (!callgraph.isCallable(md)) {
984 int methodnum = virtualcalls.getMethodNumber(md);
985 virtualtable[rownum][methodnum]=md;
989 /** Generate array that contains the sizes of class objects. The
990 * object allocation functions in the runtime use this
993 protected void generateSizeArray(PrintWriter outclassdefs) {
994 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
996 generateSizeArrayExtensions(outclassdefs);
997 for(BuildCodeExtension bcx: extensions) {
998 bcx.generateSizeArrayExtensions(outclassdefs);
1001 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1002 cdarray=new ClassDescriptor[state.numClasses()];
1003 ifarray = new ClassDescriptor[state.numInterfaces()];
1006 while(it.hasNext()) {
1007 ClassDescriptor cd=(ClassDescriptor)it.next();
1008 if(cd.isInterface()) {
1009 ifarray[cd.getId()] = cd;
1011 cdarray[cd.getId()] = cd;
1015 arraytable=new TypeDescriptor[state.numArrays()];
1017 Iterator arrayit=state.getArrayIterator();
1018 while(arrayit.hasNext()) {
1019 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1020 int id=state.getArrayNumber(td);
1024 /* Print out types */
1025 outclassdefs.println("/* ");
1026 for(int i=0; i<state.numClasses(); i++) {
1027 ClassDescriptor cd=cdarray[i];
1029 outclassdefs.println("NULL " + i);
1031 outclassdefs.println(cd +" "+i);
1035 for(int i=0; i<state.numArrays(); i++) {
1036 TypeDescriptor arraytd=arraytable[i];
1037 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1040 for(int i=0; i<state.numInterfaces(); i++) {
1041 ClassDescriptor ifcd = ifarray[i];
1042 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1045 outclassdefs.println("*/");
1048 outclassdefs.print("int classsize[]={");
1050 boolean needcomma=false;
1051 for(int i=0; i<state.numClasses(); i++) {
1053 outclassdefs.print(", ");
1055 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1057 outclassdefs.print("0");
1063 for(int i=0; i<state.numArrays(); i++) {
1065 outclassdefs.print(", ");
1066 TypeDescriptor tdelement=arraytable[i].dereference();
1067 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1068 outclassdefs.print("sizeof(void *)");
1070 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1074 for(int i=0; i<state.numInterfaces(); i++) {
1076 outclassdefs.print(", ");
1077 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1081 outclassdefs.println("};");
1083 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1085 outclassdefs.print("int typearray[]={");
1086 for(int i=0; i<state.numClasses(); i++) {
1087 ClassDescriptor cd=cdarray[i];
1088 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1089 if(supercd != null && supercd.isInterface()) {
1090 throw new Error("Super class can not be interfaces");
1093 outclassdefs.print(", ");
1095 outclassdefs.print("-1");
1097 outclassdefs.print(supercd.getId());
1101 for(int i=0; i<state.numArrays(); i++) {
1102 TypeDescriptor arraytd=arraytable[i];
1103 ClassDescriptor arraycd=arraytd.getClassDesc();
1104 if (arraycd==null) {
1106 outclassdefs.print(", ");
1107 outclassdefs.print(objectclass.getId());
1111 ClassDescriptor cd=arraycd.getSuperDesc();
1114 TypeDescriptor supertd=new TypeDescriptor(cd);
1115 supertd.setArrayCount(arraytd.getArrayCount());
1116 type=state.getArrayNumber(supertd);
1118 type+=state.numClasses();
1121 cd=cd.getSuperDesc();
1124 outclassdefs.print(", ");
1125 outclassdefs.print(type);
1129 for(int i=0; i<state.numInterfaces(); i++) {
1130 ClassDescriptor cd=ifarray[i];
1131 ClassDescriptor supercd=cd.getSuperDesc();
1132 if(supercd != null && supercd.isInterface()) {
1133 throw new Error("Super class can not be interfaces");
1136 outclassdefs.print(", ");
1138 outclassdefs.print("-1");
1140 outclassdefs.print(supercd.getId());
1144 outclassdefs.println("};");
1149 outclassdefs.print("int typearray2[]={");
1150 for(int i=0; i<state.numArrays(); i++) {
1151 TypeDescriptor arraytd=arraytable[i];
1152 ClassDescriptor arraycd=arraytd.getClassDesc();
1153 if (arraycd==null) {
1155 outclassdefs.print(", ");
1156 outclassdefs.print("-1");
1160 ClassDescriptor cd=arraycd.getSuperDesc();
1161 int level=arraytd.getArrayCount()-1;
1163 for(; level>0; level--) {
1164 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1165 supertd.setArrayCount(level);
1166 type=state.getArrayNumber(supertd);
1168 type+=state.numClasses();
1173 outclassdefs.print(", ");
1174 outclassdefs.print(type);
1178 outclassdefs.println("};");
1181 /** Constructs params and temp objects for each method or task.
1182 * These objects tell the compiler which temps need to be
1185 protected void generateTempStructs(FlatMethod fm) {
1186 MethodDescriptor md=fm.getMethod();
1187 TaskDescriptor task=fm.getTask();
1188 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1190 paramstable.put(md, objectparams);
1192 paramstable.put(task, objectparams);
1194 for(int i=0; i<fm.numParameters(); i++) {
1195 TempDescriptor temp=fm.getParameter(i);
1196 TypeDescriptor type=temp.getType();
1197 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1198 objectparams.addPtr(temp);
1200 objectparams.addPrim(temp);
1203 for(int i=0; i<fm.numTags(); i++) {
1204 TempDescriptor temp=fm.getTag(i);
1205 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1206 objectparams.addPtr(temp);
1208 objectparams.addPrim(temp);
1211 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1213 tempstable.put(md, objecttemps);
1215 tempstable.put(task, objecttemps);
1217 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1218 FlatNode fn=(FlatNode)nodeit.next();
1219 TempDescriptor[] writes=fn.writesTemps();
1220 for(int i=0; i<writes.length; i++) {
1221 TempDescriptor temp=writes[i];
1222 TypeDescriptor type=temp.getType();
1223 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1224 objecttemps.addPtr(temp);
1226 objecttemps.addPrim(temp);
1231 /** This method outputs the following information about classes
1233 * (1) For classes, what are the locations of pointers.
1234 * (2) For arrays, does the array contain pointers or primitives.
1235 * (3) For classes, does the class contain flags.
1238 protected void generateLayoutStructs(PrintWriter output) {
1239 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1240 while(it.hasNext()) {
1241 ClassDescriptor cn=(ClassDescriptor)it.next();
1242 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1243 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1244 output.println("0};");
1249 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1250 FieldDescriptor fd=(FieldDescriptor)allit.next();
1254 TypeDescriptor type=fd.getType();
1259 // the lock field is also a pointer
1262 output.print(count);
1263 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1264 FieldDescriptor fd=(FieldDescriptor)allit.next();
1268 TypeDescriptor type=fd.getType();
1271 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1272 fd.getSafeSymbol()+"))");
1276 // output the lock field
1278 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1280 output.println("};");
1283 output.println("unsigned INTPTR * pointerarray[]={");
1284 boolean needcomma=false;
1285 for(int i=0; i<state.numClasses(); i++) {
1286 ClassDescriptor cn=cdarray[i];
1288 output.println(",");
1291 output.print(cn.getSafeSymbol()+"_pointers");
1293 output.print("NULL");
1297 for(int i=0; i<state.numArrays(); i++) {
1299 output.println(", ");
1300 TypeDescriptor tdelement=arraytable[i].dereference();
1301 if (tdelement.isArray()||tdelement.isClass())
1302 output.print("((unsigned INTPTR *)1)");
1308 output.println("};");
1310 output.println("int hasflags[]={");
1311 for(int i=0; i<state.numClasses(); i++) {
1312 ClassDescriptor cn=cdarray[i];
1314 output.println(", ");
1316 if ((cn != null) && (cn.hasFlags()))
1321 output.println("};");
1324 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1327 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1328 supertd.setArrayCount(arraytd.getArrayCount());
1329 type=state.getArrayNumber(supertd);
1334 ClassDescriptor cd = arraycd.getSuperDesc();
1336 type = checkarraysupertype(cd, arraytd);
1342 Iterator it_sifs = arraycd.getSuperInterfaces();
1343 while(it_sifs.hasNext()) {
1344 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1345 type = checkarraysupertype(ifcd, arraytd);
1355 /** Print out table to give us supertypes */
1356 protected void generateSuperTypeTable(PrintWriter output) {
1357 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1358 for(int i=0; i<state.numClasses(); i++) {
1359 ClassDescriptor cn=cdarray[i];
1363 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1364 boolean ncomma = false;
1366 if((cn != null) && (cn.getSuperDesc() != null)) {
1369 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1370 while(it_sifs != null && it_sifs.hasNext()) {
1376 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1380 ClassDescriptor cdsuper=cn.getSuperDesc();
1381 output.print(cdsuper.getId());
1383 it_sifs = cn != null?cn.getSuperInterfaces():null;
1384 while(it_sifs != null && it_sifs.hasNext()) {
1388 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1391 output.println("};");
1394 for(int i=0; i<state.numArrays(); i++) {
1395 TypeDescriptor arraytd=arraytable[i];
1396 ClassDescriptor arraycd=arraytd.getClassDesc();
1397 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1398 boolean ncomma = false;
1400 if (arraycd==null) {
1404 output.print(objectclass.getId());
1405 output.println("};");
1408 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1411 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1412 while(it_sifs != null && it_sifs.hasNext()) {
1418 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1419 ClassDescriptor cd=arraycd.getSuperDesc();
1422 type = checkarraysupertype(cd, arraytd);
1424 type += state.numClasses();
1431 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1432 while(it_sifs != null && it_sifs.hasNext()) {
1433 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1434 int type = checkarraysupertype(ifcd, arraytd);
1436 type += state.numClasses();
1442 output.println("};");
1445 for(int i=0; i<state.numInterfaces(); i++) {
1446 ClassDescriptor cn=ifarray[i];
1450 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1451 boolean ncomma = false;
1453 if((cn != null) && (cn.getSuperDesc() != null)) {
1456 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1457 while(it_sifs != null && it_sifs.hasNext()) {
1463 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1467 ClassDescriptor cdsuper=cn.getSuperDesc();
1468 output.print(cdsuper.getId());
1470 it_sifs = cn != null?cn.getSuperInterfaces():null;
1471 while(it_sifs != null && it_sifs.hasNext()) {
1475 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1478 output.println("};");
1481 output.println("int* supertypes[]={");
1482 boolean needcomma=false;
1483 for(int i=0; i<state.numClasses(); i++) {
1484 ClassDescriptor cn=cdarray[i];
1486 output.println(",");
1489 output.print("supertypes" + cn.getSafeSymbol());
1495 for(int i=0; i<state.numArrays(); i++) {
1497 output.println(",");
1499 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1502 for(int i=0; i<state.numInterfaces(); i++) {
1503 ClassDescriptor cn=ifarray[i];
1505 output.println(",");
1507 output.print("supertypes" + cn.getSafeSymbol());
1509 output.println("};");
1512 /** Force consistent field ordering between inherited classes. */
1514 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1516 ClassDescriptor sp=cn.getSuperDesc();
1518 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1520 SymbolTable sitbl = cn.getSuperInterfaceTable();
1521 Iterator it_sifs = sitbl.getDescriptorsIterator();
1522 while(it_sifs.hasNext()) {
1523 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1524 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1527 if (!fieldorder.containsKey(cn)) {
1528 Vector fields=new Vector();
1529 fieldorder.put(cn,fields);
1531 Vector fieldvec=cn.getFieldVec();
1533 for(int i=0; i<fieldvec.size(); i++) {
1534 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1535 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1538 it_sifs = sitbl.getDescriptorsIterator();
1539 while(it_sifs.hasNext()) {
1540 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1541 if(si.getFieldTable().contains(fd.getSymbol())) {
1549 //Vector fields=(Vector)fieldorder.get(cn);
1551 Vector fields = cn.getFieldVec();
1553 for(int i=0; i<fields.size(); i++) {
1554 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1555 String fstring = fd.getSafeSymbol();
1556 if(printedfieldstbl.containsKey(fstring)) {
1557 printedfieldstbl.put(fstring, cn);
1560 printedfieldstbl.put(fstring, cn);
1562 if (fd.getType().isClass()
1563 && fd.getType().getClassDesc().isEnum()) {
1564 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1565 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1566 if (fd.isStatic()) {
1567 // TODO add version for normal Java later
1569 if(globaldefout != null) {
1570 if(fd.isVolatile()) {
1571 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1573 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1577 } else if (fd.isVolatile()) {
1579 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1581 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1583 } else if (fd.isStatic()) {
1584 // TODO add version for normal Java later
1586 if(globaldefout != null) {
1587 if(fd.isVolatile()) {
1588 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1590 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1593 } else if (fd.isVolatile()) {
1595 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1597 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1602 /* Map flags to integers consistently between inherited
1605 protected void mapFlags(ClassDescriptor cn) {
1606 ClassDescriptor sp=cn.getSuperDesc();
1610 if (!flagorder.containsKey(cn)) {
1611 Hashtable flags=new Hashtable();
1612 flagorder.put(cn,flags);
1614 Hashtable superflags=(Hashtable)flagorder.get(sp);
1615 Iterator superflagit=superflags.keySet().iterator();
1616 while(superflagit.hasNext()) {
1617 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1618 Integer number=(Integer)superflags.get(fd);
1619 flags.put(fd, number);
1620 if ((number.intValue()+1)>max)
1621 max=number.intValue()+1;
1625 Iterator flagit=cn.getFlags();
1626 while(flagit.hasNext()) {
1627 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1628 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1629 flags.put(fd, new Integer(max++));
1635 /** This function outputs (1) structures that parameters are
1636 * passed in (when PRECISE GC is enabled) and (2) function
1637 * prototypes for the methods */
1639 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1640 /* Output class structure */
1641 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1642 classdefout.println(" int type;");
1643 classdefout.println(" int hashcode;");
1645 additionalClassObjectFields(classdefout);
1646 for(BuildCodeExtension bcx: extensions) {
1647 bcx.additionalClassObjectFields(classdefout);
1651 if (state.EVENTMONITOR) {
1652 classdefout.println(" int objuid;");
1655 classdefout.println(" volatile int tid;");
1656 classdefout.println(" volatile int notifycount;");
1659 classdefout.println(" int mutex;");
1660 classdefout.println(" volatile int notifycount;");
1661 classdefout.println(" volatile int objlock;");
1662 if(state.MULTICOREGC) {
1663 //classdefout.println(" int marked;");
1666 classdefout.println(" int marked;");
1667 classdefout.println(" void * backward;");
1671 classdefout.println(" int flag;");
1672 classdefout.println(" int ___cachedCode___;");
1673 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1674 classdefout.println(" void * flagptr;");
1676 if (state.MULTICORE) {
1677 classdefout.println(" int version;");
1678 classdefout.println(" int * lock;"); // lock entry for this obj
1679 classdefout.println(" int mutex;");
1680 classdefout.println(" volatile int lockcount;");
1681 if(state.MULTICOREGC) {
1682 //classdefout.println(" int marked;");
1685 classdefout.println(" int marked;");
1686 classdefout.println(" void * backward;");
1689 if (state.OPTIONAL) {
1690 classdefout.println(" int numfses;");
1691 classdefout.println(" int * fses;");
1694 if (javabuilder==null||javabuilder.hasLayout(cn))
1695 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1697 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1698 classdefout.println("};\n");
1699 generateCallStructsMethods(cn, output, headersout);
1703 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1704 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1705 MethodDescriptor md=(MethodDescriptor)methodit.next();
1707 FlatMethod fm=state.getMethodFlat(md);
1709 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1710 if (callgraph.isCalled(md)) {
1711 generateTempStructs(fm);
1712 generateMethodParam(cn, md, output);
1717 generateTempStructs(fm);
1718 generateMethodParam(cn, md, output);
1720 generateMethod(cn, md, headersout, output);
1724 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1725 /* Output parameter structure */
1726 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1727 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1728 // generate the staticinit version
1729 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1731 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1732 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1733 output.println(" int size;");
1734 output.println(" void * next;");
1735 for(int i=0; i<objectparams.numPointers(); i++) {
1736 TempDescriptor temp=objectparams.getPointer(i);
1737 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1738 output.println(" int " + temp.getSafeSymbol() + ";");
1740 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1743 output.println("};\n");
1746 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1747 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1748 output.println(" int size;");
1749 output.println(" void * next;");
1750 for(int i=0; i<objectparams.numPointers(); i++) {
1751 TempDescriptor temp=objectparams.getPointer(i);
1752 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1753 output.println(" int " + temp.getSafeSymbol() + ";");
1755 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1758 output.println("};\n");
1762 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1763 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1764 TempObject objecttemps=(TempObject) tempstable.get(md);
1766 boolean printcomma = false;
1769 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1770 // generate the staticinit version
1771 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1773 /* Output temp structure */
1774 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1775 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1776 output.println(" int size;");
1777 output.println(" void * next;");
1778 for(int i=0; i<objecttemps.numPointers(); i++) {
1779 TempDescriptor temp=objecttemps.getPointer(i);
1780 if (!temp.getType().isArray() && temp.getType().isNull())
1781 output.println(" void * "+temp.getSafeSymbol()+";");
1783 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1785 output.println("};\n");
1788 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1789 /* First the return type */
1790 if (md.getReturnType()!=null) {
1791 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1792 headersout.println(" int ");
1793 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1794 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1796 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1798 //catch the constructor case
1799 headersout.print("void ");
1801 /* Next the method name */
1802 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1804 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1805 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1809 /* Output parameter list*/
1810 for(int i=0; i<objectparams.numPrimitives(); i++) {
1811 TempDescriptor temp=objectparams.getPrimitive(i);
1813 headersout.print(", ");
1815 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1816 headersout.print("int " + temp.getSafeSymbol());
1817 } else if (temp.getType().isClass()||temp.getType().isArray())
1818 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1820 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1822 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1823 headersout.print(", int linenum");
1825 headersout.println(");\n");
1828 /* Output temp structure */
1829 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1830 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1831 output.println(" int size;");
1832 output.println(" void * next;");
1833 for(int i=0; i<objecttemps.numPointers(); i++) {
1834 TempDescriptor temp=objecttemps.getPointer(i);
1835 if (!temp.getType().isArray() && temp.getType().isNull())
1836 output.println(" void * "+temp.getSafeSymbol()+";");
1838 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1840 output.println("};\n");
1843 /********* Output method declaration ***********/
1844 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1845 /* First the return type */
1846 if (md.getReturnType()!=null) {
1847 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1848 headersout.println(" int ");
1849 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1850 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1852 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1854 //catch the constructor case
1855 headersout.print("void ");
1857 /* Next the method name */
1858 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1860 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1861 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1865 /* Output parameter list*/
1866 for(int i=0; i<objectparams.numPrimitives(); i++) {
1867 TempDescriptor temp=objectparams.getPrimitive(i);
1869 headersout.print(", ");
1871 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1872 headersout.print("int " + temp.getSafeSymbol());
1873 } else if (temp.getType().isClass()||temp.getType().isArray())
1874 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1876 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1878 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1879 headersout.print(", int linenum");
1881 headersout.println(");\n");
1885 /** This function outputs (1) structures that parameters are
1886 * passed in (when PRECISE GC is enabled) and (2) function
1887 * prototypes for the tasks */
1889 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1890 /* Cycle through tasks */
1891 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1893 while(taskit.hasNext()) {
1894 /* Classify parameters */
1895 TaskDescriptor task=(TaskDescriptor)taskit.next();
1896 FlatMethod fm=state.getMethodFlat(task);
1897 generateTempStructs(fm);
1899 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1900 TempObject objecttemps=(TempObject) tempstable.get(task);
1902 /* Output parameter structure */
1903 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1904 output.println("struct "+task.getSafeSymbol()+"_params {");
1905 output.println(" int size;");
1906 output.println(" void * next;");
1907 for(int i=0; i<objectparams.numPointers(); i++) {
1908 TempDescriptor temp=objectparams.getPointer(i);
1909 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1912 output.println("};\n");
1913 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1914 maxtaskparams=objectparams.numPointers()+fm.numTags();
1918 /* Output temp structure */
1919 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1920 output.println("struct "+task.getSafeSymbol()+"_locals {");
1921 output.println(" int size;");
1922 output.println(" void * next;");
1923 for(int i=0; i<objecttemps.numPointers(); i++) {
1924 TempDescriptor temp=objecttemps.getPointer(i);
1925 if (!temp.getType().isArray() && temp.getType().isNull())
1926 output.println(" void * "+temp.getSafeSymbol()+";");
1927 else if(temp.getType().isTag())
1928 output.println(" struct "+
1929 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1931 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1933 output.println("};\n");
1936 /* Output task declaration */
1937 headersout.print("void " + task.getSafeSymbol()+"(");
1939 boolean printcomma=false;
1940 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1941 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1943 headersout.print("void * parameterarray[]");
1944 headersout.println(");\n");
1948 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1949 MethodDescriptor md=fm.getMethod();
1950 ClassDescriptor cd=md.getClassDesc();
1951 generateHeader(fm, md, outmethod);
1953 outmethod.println("JNIPUSHFRAME();");
1954 if (md.getModifiers().isStatic()) {
1955 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1957 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1960 for(int i=startindex; i<fm.numParameters(); i++) {
1961 TempDescriptor tmp=fm.getParameter(i);
1962 if (tmp.getType().isPtr()) {
1963 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1966 if (GENERATEPRECISEGC) {
1967 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1969 if (!md.getReturnType().isVoid()) {
1970 if (md.getReturnType().isPtr())
1971 outmethod.print("jobject retval=");
1973 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1975 outmethod.print("Java_");
1976 outmethod.print(cd.getPackage().replace('.','_')+"_"+cd.getClassName().replace('.','_'));
1977 outmethod.print("_"+md.getSymbol()+"(");
1978 outmethod.print("JNI_vtable, rec");
1980 for(int i=startindex; i<fm.numParameters(); i++) {
1981 outmethod.print(", ");
1982 TempDescriptor tmp=fm.getParameter(i);
1983 if (tmp.getType().isPtr()) {
1984 outmethod.print("param"+i);
1986 outmethod.print(generateTemp(fm, tmp));
1989 outmethod.println(");");
1990 if (GENERATEPRECISEGC) {
1991 outmethod.println("restartaftergc();");
1993 if (!md.getReturnType().isVoid()) {
1994 if (md.getReturnType().isPtr()) {
1995 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1996 outmethod.println("JNIPOPFRAME();");
1997 outmethod.println("return retobj;");
1999 outmethod.println("JNIPOPFRAME();");
2000 outmethod.println("return retval;");
2003 outmethod.println("JNIPOPFRAME();");
2005 outmethod.println("}");
2006 outmethod.println("");
2009 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
2010 if (State.PRINTFLAT)
2011 System.out.println(fm.printMethod());
2012 MethodDescriptor md=fm.getMethod();
2013 TaskDescriptor task=fm.getTask();
2014 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2015 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2017 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2018 // generate a special static init version
2019 mgcstaticinit = true;
2020 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2022 generateHeader(fm, md!=null?md:task,output);
2023 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2025 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2026 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2027 output.print(objecttemp.numPointers()+",");
2028 output.print(paramsprefix);
2029 for(int j=0; j<objecttemp.numPointers(); j++)
2030 output.print(", NULL");
2031 output.println("};");
2034 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2035 TempDescriptor td=objecttemp.getPrimitive(i);
2036 TypeDescriptor type=td.getType();
2037 if (type.isNull() && !type.isArray())
2038 output.println(" void * "+td.getSafeSymbol()+";");
2039 else if (type.isClass() && type.getClassDesc().isEnum()) {
2040 output.println(" int " + td.getSafeSymbol() + ";");
2041 } else if (type.isClass()||type.isArray())
2042 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2044 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2047 additionalCodeAtTopFlatMethodBody(output, fm);
2048 for(BuildCodeExtension bcx: extensions) {
2049 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2052 /* Check to see if we need to do a GC if this is a
2053 * multi-threaded program...*/
2055 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
2056 //Don't bother if we aren't in recursive methods...The loops case will catch it
2057 if (callgraph.getAllMethods(md).contains(md)) {
2058 if (this.state.MULTICOREGC) {
2059 output.println("GCCHECK("+localsprefixaddr+");");
2061 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2066 generateCode(fm.getNext(0), fm, null, output);
2068 output.println("}\n\n");
2070 mgcstaticinit = false;
2073 generateHeader(fm, md!=null?md:task,output);
2074 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2076 if((md != null) && (md.isStaticBlock())) {
2077 mgcstaticinit = true;
2080 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2082 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2084 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2085 output.print(objecttemp.numPointers()+",");
2086 output.print(paramsprefix);
2087 for(int j=0; j<objecttemp.numPointers(); j++)
2088 output.print(", NULL");
2089 output.println("};");
2092 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2093 TempDescriptor td=objecttemp.getPrimitive(i);
2094 TypeDescriptor type=td.getType();
2095 if (type.isNull() && !type.isArray())
2096 output.println(" void * "+td.getSafeSymbol()+";");
2097 else if (type.isClass() && type.getClassDesc().isEnum()) {
2098 output.println(" int " + td.getSafeSymbol() + ";");
2099 } else if (type.isClass()||type.isArray())
2100 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2102 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2105 additionalCodeAtTopFlatMethodBody(output, fm);
2106 for(BuildCodeExtension bcx: extensions) {
2107 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2110 /* Check to see if we need to do a GC if this is a
2111 * multi-threaded program...*/
2113 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2114 || this.state.MULTICOREGC) {
2115 //Don't bother if we aren't in recursive methods...The loops case will catch it
2116 if (callgraph.getAllMethods(md).contains(md)) {
2117 if (this.state.MULTICOREGC) {
2118 output.println("GCCHECK("+localsprefixaddr+");");
2120 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2125 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2126 // a static block, check if it has been executed
2127 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2128 output.println(" return;");
2129 output.println(" }");
2133 generateCode(fm.getNext(0), fm, null, output);
2135 output.println("}\n\n");
2137 mgcstaticinit = false;
2140 protected void generateCode(FlatNode first,
2142 Set<FlatNode> stopset,
2143 PrintWriter output) {
2145 /* Assign labels to FlatNode's if necessary.*/
2147 Hashtable<FlatNode, Integer> nodetolabel;
2149 nodetolabel=assignLabels(first, stopset);
2151 Set<FlatNode> storeset=null;
2152 HashSet<FlatNode> genset=null;
2153 HashSet<FlatNode> refset=null;
2154 Set<FlatNode> unionset=null;
2156 /* Do the actual code generation */
2157 FlatNode current_node=null;
2158 HashSet tovisit=new HashSet();
2159 HashSet visited=new HashSet();
2161 while(current_node!=null||!tovisit.isEmpty()) {
2162 if (current_node==null) {
2163 current_node=(FlatNode)tovisit.iterator().next();
2164 tovisit.remove(current_node);
2165 } else if (tovisit.contains(current_node)) {
2166 tovisit.remove(current_node);
2168 visited.add(current_node);
2169 if (nodetolabel.containsKey(current_node)) {
2170 output.println("L"+nodetolabel.get(current_node)+":");
2172 if (state.INSTRUCTIONFAILURE) {
2174 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2176 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2178 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2180 generateFlatNode(fm, current_node, output);
2182 if (state.OOOJAVA && stopset!=null) {
2183 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2184 assert current_node instanceof FlatSESEExitNode;
2185 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2186 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2187 assert fsen.getFlatExit().equals(fsxn);
2188 assert fsxn.getFlatEnter().equals(fsen);
2190 if (current_node.kind()!=FKind.FlatReturnNode) {
2191 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2192 // a static block, check if it has been executed
2193 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2196 output.println(" return;");
2199 } else if(current_node.numNext()==1) {
2201 if (state.OOOJAVA &&
2202 current_node.kind()==FKind.FlatSESEEnterNode) {
2203 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2204 generateFlatNode(fm, current_node, output);
2205 nextnode=fsen.getFlatExit().getNext(0);
2208 generateFlatNode(fm, current_node, output);
2209 nextnode=current_node.getNext(0);
2211 if (visited.contains(nextnode)) {
2212 output.println("goto L"+nodetolabel.get(nextnode)+";");
2215 current_node=nextnode;
2216 } else if (current_node.numNext()==2) {
2219 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2220 if (!visited.contains(current_node.getNext(1)))
2221 tovisit.add(current_node.getNext(1));
2222 if (visited.contains(current_node.getNext(0))) {
2223 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2226 current_node=current_node.getNext(0);
2227 } else throw new Error();
2231 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2232 HashSet tovisit=new HashSet();
2233 HashSet visited=new HashSet();
2235 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2238 /*Assign labels first. A node needs a label if the previous
2239 * node has two exits or this node is a join point. */
2241 while(!tovisit.isEmpty()) {
2242 FlatNode fn=(FlatNode)tovisit.iterator().next();
2247 if(lastset!=null&&lastset.contains(fn)) {
2248 // if last is not null and matches, don't go
2249 // any further for assigning labels
2253 for(int i=0; i<fn.numNext(); i++) {
2254 FlatNode nn=fn.getNext(i);
2257 //1) Edge >1 of node
2258 nodetolabel.put(nn,new Integer(labelindex++));
2260 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2264 nodetolabel.put(nn,new Integer(labelindex++));
2271 /** Generate text string that corresponds to the TempDescriptor td. */
2272 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2273 MethodDescriptor md=fm.getMethod();
2274 TaskDescriptor task=fm.getTask();
2275 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2277 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2278 return td.getSafeSymbol();
2281 if (objecttemps.isLocalPtr(td)) {
2282 return localsprefixderef+td.getSafeSymbol();
2285 if (objecttemps.isParamPtr(td)) {
2286 return paramsprefix+"->"+td.getSafeSymbol();
2294 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2295 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2297 additionalCodePreNode(fm, fn, output);
2298 for(BuildCodeExtension bcx: extensions) {
2299 bcx.additionalCodePreNode(fm, fn, output);
2304 case FKind.FlatAtomicEnterNode:
2305 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2308 case FKind.FlatAtomicExitNode:
2309 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2312 case FKind.FlatInstanceOfNode:
2313 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2316 case FKind.FlatSESEEnterNode:
2317 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2320 case FKind.FlatSESEExitNode:
2321 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2324 case FKind.FlatWriteDynamicVarNode:
2325 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2328 case FKind.FlatGlobalConvNode:
2329 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2332 case FKind.FlatTagDeclaration:
2333 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2336 case FKind.FlatCall:
2337 generateFlatCall(fm, (FlatCall) fn,output);
2340 case FKind.FlatFieldNode:
2341 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2344 case FKind.FlatElementNode:
2345 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2348 case FKind.FlatSetElementNode:
2349 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2352 case FKind.FlatSetFieldNode:
2353 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2357 generateFlatNew(fm, (FlatNew) fn,output);
2360 case FKind.FlatOpNode:
2361 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2364 case FKind.FlatCastNode:
2365 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2368 case FKind.FlatLiteralNode:
2369 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2372 case FKind.FlatReturnNode:
2373 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2377 output.println("/* nop */");
2380 case FKind.FlatGenReachNode:
2381 // this node is just for generating a reach graph
2382 // in disjointness analysis at a particular program point
2385 case FKind.FlatExit:
2386 output.println("/* exit */");
2389 case FKind.FlatBackEdge:
2390 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2393 case FKind.FlatCheckNode:
2394 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2397 case FKind.FlatFlagActionNode:
2398 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2401 case FKind.FlatPrefetchNode:
2402 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2405 case FKind.FlatOffsetNode:
2406 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2413 additionalCodePostNode(fm, fn, output);
2414 for(BuildCodeExtension bcx: extensions) {
2415 bcx.additionalCodePostNode(fm, fn, output);
2420 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2421 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2422 || (this.state.MULTICOREGC)) {
2423 if(this.state.MULTICOREGC) {
2424 output.println("GCCHECK("+localsprefixaddr+");");
2426 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2429 output.println("/* nop */");
2432 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2433 output.println("/* FlatOffsetNode */");
2434 FieldDescriptor fd=fofn.getField();
2435 if(!fd.isStatic()) {
2436 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2437 fd.getSafeSymbol()+");");
2439 output.println("/* offset */");
2442 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2445 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2448 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2451 if (fion.getType().isArray()) {
2452 type=state.getArrayNumber(fion.getType())+state.numClasses();
2453 } else if (fion.getType().getClassDesc().isInterface()) {
2454 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2456 type=fion.getType().getClassDesc().getId();
2458 if (fion.getSrc().getType().isArray()) {
2459 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2460 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2461 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2463 otype=fion.getSrc().getType().getClassDesc().getId();
2466 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2467 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2469 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2473 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2476 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2479 public void generateFlatSESEEnterNode(FlatMethod fm,
2480 FlatSESEEnterNode fsen,
2481 PrintWriter output) {
2482 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2483 // just skip over them and code generates exactly the same
2486 public void generateFlatSESEExitNode(FlatMethod fm,
2487 FlatSESEExitNode fsexn,
2488 PrintWriter output) {
2489 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2490 // just skip over them and code generates exactly the same
2493 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2494 FlatWriteDynamicVarNode fwdvn,
2495 PrintWriter output) {
2499 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2500 if (state.CONSCHECK) {
2501 String specname=fcn.getSpec();
2502 String varname="repairstate___";
2503 output.println("{");
2504 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2506 TempDescriptor[] temps=fcn.getTemps();
2507 String[] vars=fcn.getVars();
2508 for(int i=0; i<temps.length; i++) {
2509 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2512 output.println("if (doanalysis"+specname+"("+varname+")) {");
2513 output.println("free"+specname+"_state("+varname+");");
2514 output.println("} else {");
2515 output.println("/* Bad invariant */");
2516 output.println("free"+specname+"_state("+varname+");");
2517 output.println("abort_task();");
2518 output.println("}");
2519 output.println("}");
2523 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2524 MethodDescriptor md=fc.getMethod();
2525 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2527 ClassDescriptor cn=md.getClassDesc();
2528 String mdstring = md.getSafeMethodDescriptor();
2529 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2530 mdstring += "staticinit";
2533 // if the called method is a static block or a static method or a constructor
2534 // need to check if it can be invoked inside some static block
2535 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2536 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2537 if(!md.isInvokedByStatic()) {
2538 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2540 // is a static block or is invoked in some static block
2541 ClassDescriptor cd = fm.getMethod().getClassDesc();
2542 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2543 // generate static init check code if it has not done static init in main()
2544 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2545 // need to check if the class' static fields have been initialized and/or
2546 // its static blocks have been executed
2547 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2548 if(cn.getNumStaticBlocks() != 0) {
2549 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2550 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2551 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2552 output.println("0, NULL};");
2553 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2555 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2558 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2560 output.println("}");
2564 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2565 output.println("{");
2566 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2567 output.println("int monitorenterline = __LINE__;");
2569 // call MonitorEnter/MonitorExit on a class obj
2570 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2571 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2572 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2573 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2574 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2576 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2579 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2580 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2581 + fc.getThis().getType().getClassDesc().getId() + "]));");
2583 output.println("}");
2587 output.println("{");
2588 if(md.getSymbol().equals("MonitorEnter")) {
2589 output.println("int monitorenterline = __LINE__;");
2591 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2592 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2593 output.print(objectparams.numPointers());
2594 output.print(", "+localsprefixaddr);
2595 if (md.getThis()!=null) {
2597 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2599 if (fc.getThis()!=null&&md.getThis()==null) {
2600 System.out.println("WARNING!!!!!!!!!!!!");
2601 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2604 for(int i=0; i<fc.numArgs(); i++) {
2605 Descriptor var=md.getParameter(i);
2606 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2607 if (objectparams.isParamPtr(paramtemp)) {
2608 TempDescriptor targ=fc.getArg(i);
2610 TypeDescriptor td=md.getParamType(i);
2612 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2614 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2617 output.println("};");
2622 if (fc.getReturnTemp()!=null)
2623 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2625 /* Do we need to do virtual dispatch? */
2627 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2629 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2633 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2634 output.print("int ");
2635 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2636 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2638 output.print(md.getReturnType().getSafeSymbol()+" ");
2639 output.print("(*)(");
2641 boolean printcomma=false;
2642 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2643 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2647 for(int i=0; i<objectparams.numPrimitives(); i++) {
2648 TempDescriptor temp=objectparams.getPrimitive(i);
2652 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2653 output.print("int ");
2654 } else if (temp.getType().isClass()||temp.getType().isArray())
2655 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2657 output.print(temp.getType().getSafeSymbol());
2660 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2661 output.print(", int");
2663 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2667 boolean needcomma=false;
2668 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2669 output.print("&__parameterlist__");
2673 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2674 if (fc.getThis()!=null) {
2675 TypeDescriptor ptd=null;
2676 if(md.getThis() != null) {
2677 ptd = md.getThis().getType();
2679 ptd = fc.getThis().getType();
2683 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2685 } else if (ptd.isClass()&&!ptd.isArray())
2686 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2687 output.print(generateTemp(fm,fc.getThis()));
2692 for(int i=0; i<fc.numArgs(); i++) {
2693 Descriptor var=md.getParameter(i);
2694 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2695 if (objectparams.isParamPrim(paramtemp)) {
2696 TempDescriptor targ=fc.getArg(i);
2700 TypeDescriptor ptd=md.getParamType(i);
2701 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2703 } else if (ptd.isClass()&&!ptd.isArray())
2704 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2705 output.print(generateTemp(fm, targ));
2709 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2710 output.println(", monitorenterline);");
2712 output.println(");");
2714 output.println(" }");
2717 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2718 if(thiscd.isInterface()) {
2719 // for interfaces, always need virtual dispatch
2722 Set subclasses=typeutil.getSubClasses(thiscd);
2723 if (subclasses==null)
2725 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2726 ClassDescriptor cd=(ClassDescriptor)classit.next();
2727 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2728 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2729 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2730 if (md.matches(matchmd))
2738 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2740 if(ffn.getField().isStatic()) {
2742 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2743 // is a static block or is invoked in some static block
2744 ClassDescriptor cd = fm.getMethod().getClassDesc();
2745 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2746 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2747 // generate the static init check code if has not done the static init in main()
2748 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2749 // need to check if the class' static fields have been initialized and/or
2750 // its static blocks have been executed
2751 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2752 if(cn.getNumStaticBlocks() != 0) {
2753 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2754 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2755 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2756 output.println("0, NULL};");
2757 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2759 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2762 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2764 output.println("}");
2768 // redirect to the global_defs_p structure
2769 if (ffn.getField().getType().isPtr())
2770 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2772 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2773 } else if (ffn.getField().isEnum()) {
2774 // an Enum value, directly replace the field access as int
2775 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2777 if( state.CAPTURE_NULL_DEREFERENCES ) {
2778 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2779 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2780 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2781 if(state.MULTICOREGC) {
2782 output.println("failednullptr(&___locals___);");
2784 output.println("failednullptr(NULL);");
2786 output.println("}");
2787 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2789 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2794 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2795 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2796 throw new Error("Can't set array length");
2797 if (state.FASTCHECK) {
2798 String dst=generateTemp(fm, fsfn.getDst());
2799 output.println("if(!"+dst+"->"+localcopystr+") {");
2800 /* Link object into list */
2801 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2802 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2804 output.println("COPY_OBJ("+dst+");");
2805 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2806 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2807 output.println("}");
2810 if(fsfn.getField().isStatic()) {
2812 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2813 // is a static block or is invoked in some static block
2814 ClassDescriptor cd = fm.getMethod().getClassDesc();
2815 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2816 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2817 // generate static init check code if has not done the static init in main()
2818 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2819 // need to check if the class' static fields have been initialized and/or
2820 // its static blocks have been executed
2821 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2822 if(cn.getNumStaticBlocks() != 0) {
2823 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2824 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2825 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2826 output.println("0, NULL};");
2827 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2829 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2832 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2834 output.println("}");
2838 // redirect to the global_defs_p structure
2839 if (fsfn.getField().getType().isPtr()) {
2840 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2841 output.println("global_defs_p->" +
2842 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2844 output.println("global_defs_p->" +
2845 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2847 output.println("global_defsprim_p->" +
2848 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2851 if( state.CAPTURE_NULL_DEREFERENCES ) {
2852 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2853 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2854 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2855 if(state.MULTICOREGC) {
2856 output.println("failednullptr(&___locals___);");
2858 output.println("failednullptr(NULL);");
2860 output.println("}");
2861 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2864 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2865 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2866 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2868 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2869 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2874 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2875 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2878 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2880 } else if (elementtype.isArray()||elementtype.isClass())
2883 type=elementtype.getSafeSymbol()+" ";
2885 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2886 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2887 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fen.getIndex()) +", "+ generateTemp(fm, fen.getSrc()) + ");");
2889 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2890 if (fen.getDst().getType().isPtr())
2894 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2895 //TODO: need dynamic check to make sure this assignment is actually legal
2896 //Because Object[] could actually be something more specific...ie. Integer[]
2898 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2901 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2903 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2906 type=elementtype.getSafeSymbol()+" ";
2908 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2909 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2910 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fsen.getIndex()) +", "+ generateTemp(fm, fsen.getDst()) + ");");
2912 if (state.FASTCHECK) {
2913 String dst=generateTemp(fm, fsen.getDst());
2914 output.println("if(!"+dst+"->"+localcopystr+") {");
2915 /* Link object into list */
2916 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2917 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2919 output.println("COPY_OBJ("+dst+");");
2920 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2921 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2922 output.println("}");
2924 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2928 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2929 String dst=generateTemp(fm,fn.getDst());
2931 if (fn.getType().isArray()) {
2932 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2933 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2934 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2936 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2939 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2940 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2942 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2945 if (state.FASTCHECK) {
2946 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2947 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2948 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2950 for(BuildCodeExtension bcx: extensions) {
2951 bcx.additionalCodeNewObject(output, dst, fn);
2955 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2956 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2957 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2959 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2963 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2964 if (fon.getRight()!=null) {
2965 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2966 if (fon.getLeft().getType().isLong())
2967 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2969 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2972 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2973 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2975 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2977 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2978 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2979 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2981 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2982 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2983 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2984 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2985 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2986 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2987 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2988 else if (fon.getOp().getOp()==Operation.COMP)
2989 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2990 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2991 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2993 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2996 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2997 /* TODO: Do type check here */
2998 if (fcn.getType().isArray()) {
2999 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
3000 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3001 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
3002 } else if (fcn.getType().isClass())
3003 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
3005 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
3010 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
3011 if (fln.getValue()==null)
3012 output.println(generateTemp(fm, fln.getDst())+"=0;");
3013 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3014 String str=(String)fln.getValue();
3015 output.println("{");
3016 output.print("short str"+flncount+"[]={");
3017 for(int i=0; i<str.length(); i++) {
3020 output.print(((int)str.charAt(i)));
3022 output.println("};");
3023 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3024 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3026 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3029 for(BuildCodeExtension bcx: extensions) {
3030 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3033 output.println("}");
3035 } else if (fln.getType().isBoolean()) {
3036 if (((Boolean)fln.getValue()).booleanValue())
3037 output.println(generateTemp(fm, fln.getDst())+"=1;");
3039 output.println(generateTemp(fm, fln.getDst())+"=0;");
3040 } else if (fln.getType().isChar()) {
3041 int val=(int)(((Character)fln.getValue()).charValue());
3042 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3043 } else if (fln.getType().isLong()) {
3044 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3046 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3049 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3050 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3051 // a static block, check if it has been executed
3052 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3056 if (frn.getReturnTemp()!=null) {
3057 if (frn.getReturnTemp().getType().isPtr())
3058 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3060 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3062 output.println("return;");
3066 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3067 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3070 /** This method generates header information for the method or
3071 * task referenced by the Descriptor des. */
3072 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3073 generateHeader(fm, des, output, false);
3076 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3078 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3079 MethodDescriptor md=null;
3080 TaskDescriptor task=null;
3081 if (des instanceof MethodDescriptor)
3082 md=(MethodDescriptor) des;
3084 task=(TaskDescriptor) des;
3085 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3087 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3089 if (md!=null&&md.getReturnType()!=null) {
3090 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3091 output.print("int ");
3092 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3093 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3095 output.print(md.getReturnType().getSafeSymbol()+" ");
3097 //catch the constructor case
3098 output.print("void ");
3100 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3101 mdstring += "staticinit";
3103 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3105 output.print(task.getSafeSymbol()+"(");
3107 boolean printcomma=false;
3108 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3110 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3112 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3118 for(int i=0; i<objectparams.numPrimitives(); i++) {
3119 TempDescriptor temp=objectparams.getPrimitive(i);
3123 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3124 output.print("int " + temp.getSafeSymbol());
3125 } else if (temp.getType().isClass()||temp.getType().isArray())
3126 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3128 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3130 output.println(") {");
3131 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3132 /* Imprecise Task */
3133 output.println("void * parameterarray[]) {");
3134 /* Unpack variables */
3135 for(int i=0; i<objectparams.numPrimitives(); i++) {
3136 TempDescriptor temp=objectparams.getPrimitive(i);
3137 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3138 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3140 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3143 for(int i=0; i<fm.numTags(); i++) {
3144 TempDescriptor temp=fm.getTag(i);
3145 int offset=i+objectparams.numPrimitives();
3146 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3149 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3150 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3151 } else output.println(") {");
3154 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3155 output.println("/* FlatFlagActionNode */");
3158 /* Process tag changes */
3159 Relation tagsettable=new Relation();
3160 Relation tagcleartable=new Relation();
3162 Iterator tagsit=ffan.getTempTagPairs();
3163 while (tagsit.hasNext()) {
3164 TempTagPair ttp=(TempTagPair) tagsit.next();
3165 TempDescriptor objtmp=ttp.getTemp();
3166 TagDescriptor tag=ttp.getTag();
3167 TempDescriptor tagtmp=ttp.getTagTemp();
3168 boolean tagstatus=ffan.getTagChange(ttp);
3170 tagsettable.put(objtmp, tagtmp);
3172 tagcleartable.put(objtmp, tagtmp);
3177 Hashtable flagandtable=new Hashtable();
3178 Hashtable flagortable=new Hashtable();
3180 /* Process flag changes */
3181 Iterator flagsit=ffan.getTempFlagPairs();
3182 while(flagsit.hasNext()) {
3183 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3184 TempDescriptor temp=tfp.getTemp();
3185 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3186 FlagDescriptor flag=tfp.getFlag();
3188 //Newly allocate objects that don't set any flags case
3189 if (flagortable.containsKey(temp)) {
3193 flagortable.put(temp,new Integer(mask));
3195 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3196 boolean flagstatus=ffan.getFlagChange(tfp);
3199 if (flagortable.containsKey(temp)) {
3200 mask=((Integer)flagortable.get(temp)).intValue();
3203 flagortable.put(temp,new Integer(mask));
3205 int mask=0xFFFFFFFF;
3206 if (flagandtable.containsKey(temp)) {
3207 mask=((Integer)flagandtable.get(temp)).intValue();
3209 mask&=(0xFFFFFFFF^flagid);
3210 flagandtable.put(temp,new Integer(mask));
3216 HashSet flagtagset=new HashSet();
3217 flagtagset.addAll(flagortable.keySet());
3218 flagtagset.addAll(flagandtable.keySet());
3219 flagtagset.addAll(tagsettable.keySet());
3220 flagtagset.addAll(tagcleartable.keySet());
3222 Iterator ftit=flagtagset.iterator();
3223 while(ftit.hasNext()) {
3224 TempDescriptor temp=(TempDescriptor)ftit.next();
3227 Set tagtmps=tagcleartable.get(temp);
3228 if (tagtmps!=null) {
3229 Iterator tagit=tagtmps.iterator();
3230 while(tagit.hasNext()) {
3231 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3232 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3233 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3235 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3239 tagtmps=tagsettable.get(temp);
3240 if (tagtmps!=null) {
3241 Iterator tagit=tagtmps.iterator();
3242 while(tagit.hasNext()) {
3243 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3244 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3245 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3247 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3252 int andmask=0xFFFFFFF;
3254 if (flagortable.containsKey(temp))
3255 ormask=((Integer)flagortable.get(temp)).intValue();
3256 if (flagandtable.containsKey(temp))
3257 andmask=((Integer)flagandtable.get(temp)).intValue();
3258 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3259 generateObjectDistribute(ffan, fm, temp, output);
3263 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3264 PrintWriter output, int ormask, int andmask) {
3265 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3266 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3268 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3272 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3273 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3276 void generateOptionalHeader(PrintWriter headers) {
3279 headers.println("#include \"task.h\"\n\n");
3280 headers.println("#ifndef _OPTIONAL_STRUCT_");
3281 headers.println("#define _OPTIONAL_STRUCT_");
3283 //STRUCT PREDICATEMEMBER
3284 headers.println("struct predicatemember{");
3285 headers.println("int type;");
3286 headers.println("int numdnfterms;");
3287 headers.println("int * flags;");
3288 headers.println("int numtags;");
3289 headers.println("int * tags;\n};\n\n");
3291 //STRUCT OPTIONALTASKDESCRIPTOR
3292 headers.println("struct optionaltaskdescriptor{");
3293 headers.println("struct taskdescriptor * task;");
3294 headers.println("int index;");
3295 headers.println("int numenterflags;");
3296 headers.println("int * enterflags;");
3297 headers.println("int numpredicatemembers;");
3298 headers.println("struct predicatemember ** predicatememberarray;");
3299 headers.println("};\n\n");
3301 //STRUCT TASKFAILURE
3302 headers.println("struct taskfailure {");
3303 headers.println("struct taskdescriptor * task;");
3304 headers.println("int index;");
3305 headers.println("int numoptionaltaskdescriptors;");
3306 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3308 //STRUCT FSANALYSISWRAPPER
3309 headers.println("struct fsanalysiswrapper{");
3310 headers.println("int flags;");
3311 headers.println("int numtags;");
3312 headers.println("int * tags;");
3313 headers.println("int numtaskfailures;");
3314 headers.println("struct taskfailure ** taskfailurearray;");
3315 headers.println("int numoptionaltaskdescriptors;");
3316 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3318 //STRUCT CLASSANALYSISWRAPPER
3319 headers.println("struct classanalysiswrapper{");
3320 headers.println("int type;");
3321 headers.println("int numotd;");
3322 headers.println("struct optionaltaskdescriptor ** otdarray;");
3323 headers.println("int numfsanalysiswrappers;");
3324 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3326 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3328 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3329 while(taskit.hasNext()) {
3330 TaskDescriptor td=(TaskDescriptor)taskit.next();
3331 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3336 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3337 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3338 int predicateindex = 0;
3339 //iterate through the classes concerned by the predicate
3340 Set c_vard = predicate.vardescriptors;
3341 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3344 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3345 VarDescriptor vard = (VarDescriptor)vard_it.next();
3346 TypeDescriptor typed = vard.getType();
3348 //generate for flags
3349 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3350 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3352 if (fen_hashset!=null) {
3353 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3354 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3356 DNFFlag dflag=fen.getDNF();
3357 numberterms+=dflag.size();
3359 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3361 for(int j=0; j<dflag.size(); j++) {
3363 output.println(",");
3364 Vector term=dflag.get(j);
3367 for(int k=0; k<term.size(); k++) {
3368 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3369 FlagDescriptor fd=dfa.getFlag();
3370 boolean negated=dfa.getNegated();
3371 int flagid=1<<((Integer)flags.get(fd)).intValue();
3376 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3381 output.println("};\n");
3384 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3385 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3388 for(int j=0; j<tagel.numTags(); j++) {
3390 output.println(",");
3391 TempDescriptor tmp=tagel.getTemp(j);
3392 if (!slotnumber.containsKey(tmp)) {
3393 Integer slotint=new Integer(current_slot++);
3394 slotnumber.put(tmp,slotint);
3396 int slot=slotnumber.get(tmp).intValue();
3397 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3399 numtags = tagel.numTags();
3401 output.println("};");
3403 //store the result into a predicatemember struct
3404 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3405 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3406 output.println("/* number of dnf terms */"+numberterms+",");
3407 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3408 output.println("/* number of tag */"+numtags+",");
3409 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3410 output.println("};\n");
3415 //generate an array that stores the entire predicate
3416 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3417 for( int j = 0; j<predicateindex; j++) {
3418 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3419 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3421 output.println("};\n");
3422 return predicateindex;
3426 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3427 generateOptionalHeader(headers);
3429 output.println("#include \"optionalstruct.h\"\n\n");
3430 output.println("#include \"stdlib.h\"\n");
3432 HashSet processedcd = new HashSet();
3434 Enumeration e = safeexecution.keys();
3435 while (e.hasMoreElements()) {
3438 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3439 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3441 //Generate the struct of optionals
3442 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3443 numotd = c_otd.size();
3444 if(maxotd<numotd) maxotd = numotd;
3445 if( !c_otd.isEmpty() ) {
3446 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3447 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3449 //generate the int arrays for the predicate
3450 Predicate predicate = otd.predicate;
3451 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3452 TreeSet<Integer> fsset=new TreeSet<Integer>();
3453 //iterate through possible FSes corresponding to
3454 //the state when entering
3456 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3457 FlagState fs = (FlagState)fses.next();
3459 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3460 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3461 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3464 fsset.add(new Integer(flagid));
3465 //tag information not needed because tag
3466 //changes are not tolerated.
3469 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3470 boolean needcomma=false;
3471 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3474 output.println(it.next());
3477 output.println("};\n");
3480 //generate optionaltaskdescriptor that actually
3481 //includes exit fses, predicate and the task
3483 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3484 output.println("&task_"+otd.td.getSafeSymbol()+",");
3485 output.println("/*index*/"+otd.getIndex()+",");
3486 output.println("/*number of enter flags*/"+fsset.size()+",");
3487 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3488 output.println("/*number of members */"+predicateindex+",");
3489 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3490 output.println("};\n");
3494 // if there are no optionals, there is no need to build the rest of the struct
3496 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3497 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3498 if( !c_otd.isEmpty() ) {
3499 boolean needcomma=false;
3500 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3501 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3503 output.println(",");
3505 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3508 output.println("};\n");
3510 //get all the possible flagstates reachable by an object
3511 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3513 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3514 fsts.addAll(hashtbtemp.keySet());
3515 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3516 FlagState fs = (FlagState)fsit.next();
3519 //get the set of OptionalTaskDescriptors corresponding
3520 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3521 //iterate through the OptionalTaskDescriptors and
3522 //store the pointers to the optionals struct (see on
3523 //top) into an array
3525 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3526 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3527 OptionalTaskDescriptor mm = mos.next();
3529 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3531 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3534 output.println("};\n");
3536 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3539 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3540 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3541 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3545 //process tag information
3548 boolean first = true;
3549 Enumeration tag_enum = fs.getTags();
3550 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3551 while(tag_enum.hasMoreElements()) {
3553 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3557 output.println(", ");
3558 output.println("/*tagid*/"+state.getTagId(tagd));
3560 output.println("};");
3562 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3563 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3564 TaskIndex ti=itti.next();
3568 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3570 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3571 boolean needcomma=false;
3572 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3573 OptionalTaskDescriptor otd=otdit.next();
3577 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3579 output.println("};");
3581 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3582 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3583 output.print(ti.getIndex()+", ");
3584 output.print(otdset.size()+", ");
3585 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3586 output.println("};");
3589 tiset=sa.getTaskIndex(fs);
3590 boolean needcomma=false;
3592 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3593 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3594 TaskIndex ti=itti.next();
3595 if (ti.isRuntime()) {
3602 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3604 output.println("};\n");
3606 //Store the result in fsanalysiswrapper
3608 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3609 output.println("/*flag*/"+flagid+",");
3610 output.println("/* number of tags*/"+tagcounter+",");
3611 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3612 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3613 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3614 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3615 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3616 output.println("};\n");
3620 //Build the array of fsanalysiswrappers
3621 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3622 boolean needcomma=false;
3623 for(int i = 0; i<fscounter; i++) {
3624 if (needcomma) output.print(",");
3625 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3628 output.println("};");
3630 //Build the classanalysiswrapper referring to the previous array
3631 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3632 output.println("/*type*/"+cdtemp.getId()+",");
3633 output.println("/*numotd*/"+numotd+",");
3634 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3635 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3636 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3637 processedcd.add(cdtemp);
3640 //build an array containing every classes for which code has been build
3641 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3642 for(int i=0; i<state.numClasses(); i++) {
3643 ClassDescriptor cn=cdarray[i];
3646 if ((cn != null) && (processedcd.contains(cn)))
3647 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3649 output.print("NULL");
3651 output.println("};");
3653 output.println("#define MAXOTD "+maxotd);
3654 headers.println("#endif");
3657 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3658 Relation r=new Relation();
3659 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3660 OptionalTaskDescriptor otd=otdit.next();
3661 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3665 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3666 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3667 Set s=r.get(it.next());
3668 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3669 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3679 // either create and register an extension object with buildcode
3680 // or look at the following option of subclassing BuildCode
3681 private Vector<BuildCodeExtension> extensions;
3683 // note that extensions are invoked in the order they are added
3685 public void registerExtension( BuildCodeExtension bcx ) {
3686 extensions.add( bcx );
3690 // override these methods in a subclass of BuildCode
3691 // to generate code for additional systems
3692 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3694 protected void outputTransCode(PrintWriter output) {
3696 protected void buildCodeSetup() {
3698 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3700 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3702 protected void preCodeGenInitialization() {
3704 protected void postCodeGenCleanUp() {
3706 protected void additionalCodeGen(PrintWriter outmethodheader,
3707 PrintWriter outstructs,
3708 PrintWriter outmethod) {
3710 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3712 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3714 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3716 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3718 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3720 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3722 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3724 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3726 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3728 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3731 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3732 // we do not print out line number if no one explicitly set the number
3733 if(fn.getNumLine()!=-1) {
3735 int lineNum=fn.getNumLine();
3737 // do not generate the line number if it is same as the previous one
3738 boolean needtoprint;
3739 if(fn.prev.size()==0) {
3745 for(int i=0; i<fn.prev.size(); i++) {
3746 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3747 if(prevLineNum!=lineNum) {
3753 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());