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;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.CallGraph.CallGraph;
21 import Analysis.Loops.GlobalFieldType;
22 import Util.CodePrinter;
24 public class BuildCode {
27 Hashtable paramstable;
32 String localsprefix="___locals___";
33 String localsprefixaddr="&"+localsprefix;
34 String localsprefixderef=localsprefix+".";
35 String fcrevert="___fcrevert___";
36 String paramsprefix="___params___";
37 String nextobjstr="___nextobject___";
38 String localcopystr="___localcopy___";
39 public static boolean GENERATEPRECISEGC=false;
40 public static String PREFIX="";
41 public static String arraytype="ArrayObject";
42 public static int flagcount = 0;
45 protected int maxtaskparams=0;
46 protected int maxcount=0;
47 ClassDescriptor[] cdarray;
48 TypeDescriptor[] arraytable;
51 Hashtable<String, ClassDescriptor> printedfieldstbl;
52 int globaldefscount=0;
53 boolean mgcstaticinit = false;
55 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
56 this(st, temptovar, typeutil, null);
59 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa) {
62 callgraph=new CallGraph(state);
63 this.temptovar=temptovar;
64 paramstable=new Hashtable();
65 tempstable=new Hashtable();
66 fieldorder=new Hashtable();
67 flagorder=new Hashtable();
68 this.typeutil=typeutil;
69 virtualcalls=new Virtual(state, null);
70 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
73 /** The buildCode method outputs C code for all the methods. The Flat
74 * versions of the methods must already be generated and stored in
75 * the State object. */
78 public void buildCode() {
79 /* Create output streams to write to */
80 PrintWriter outclassdefs=null;
81 PrintWriter outstructs=null;
82 PrintWriter outrepairstructs=null;
83 PrintWriter outmethodheader=null;
84 PrintWriter outmethod=null;
85 PrintWriter outvirtual=null;
86 PrintWriter outtask=null;
87 PrintWriter outtaskdefs=null;
88 PrintWriter outoptionalarrays=null;
89 PrintWriter optionalheaders=null;
90 PrintWriter outglobaldefs=null;
91 PrintWriter outglobaldefsprim=null;
94 buildCodeSetup(); //EXTENSION POINT
95 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
96 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
97 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
98 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
99 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
100 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
101 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
103 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
104 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
105 if (state.OPTIONAL) {
106 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
107 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
110 if (state.structfile!=null) {
111 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
113 } catch (Exception e) {
118 /* Fix field safe symbols due to shadowing */
119 FieldShadow.handleFieldShadow(state);
121 /* Build the virtual dispatch tables */
122 buildVirtualTables(outvirtual);
124 /* Tag the methods that are invoked by static blocks */
125 tagMethodInvokedByStaticBlock();
127 /* Output includes */
128 outmethodheader.println("#ifndef METHODHEADERS_H");
129 outmethodheader.println("#define METHODHEADERS_H");
130 outmethodheader.println("#include \"structdefs.h\"");
132 if (state.EVENTMONITOR) {
133 outmethodheader.println("#include \"monitor.h\"");
136 additionalIncludesMethodsHeader(outmethodheader);
138 /* Output Structures */
139 outputStructs(outstructs);
141 // Output the C class declarations
142 // These could mutually reference each other
144 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
145 outglobaldefs.println("#define __GLOBALDEF_H_");
146 outglobaldefs.println("");
147 outglobaldefs.println("struct global_defs_t {");
148 outglobaldefs.println(" int size;");
149 outglobaldefs.println(" void * next;");
150 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
151 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
152 outglobaldefsprim.println("");
153 outglobaldefsprim.println("struct global_defsprim_t {");
155 outclassdefs.println("#ifndef __CLASSDEF_H_");
156 outclassdefs.println("#define __CLASSDEF_H_");
157 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
159 // Output function prototypes and structures for parameters
160 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
161 while(it.hasNext()) {
162 ClassDescriptor cn=(ClassDescriptor)it.next();
163 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
165 outclassdefs.println("#include \"globaldefs.h\"");
166 outclassdefs.println("#include \"globaldefsprim.h\"");
167 outclassdefs.println("#endif");
168 outclassdefs.close();
170 outglobaldefs.println("};");
171 outglobaldefs.println("");
172 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
173 outglobaldefs.println("#endif");
174 outglobaldefs.flush();
175 outglobaldefs.close();
177 outglobaldefsprim.println("};");
178 outglobaldefsprim.println("");
179 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
180 outglobaldefsprim.println("#endif");
181 outglobaldefsprim.flush();
182 outglobaldefsprim.close();
185 /* Map flags to integers */
186 /* The runtime keeps track of flags using these integers */
187 it=state.getClassSymbolTable().getDescriptorsIterator();
188 while(it.hasNext()) {
189 ClassDescriptor cn=(ClassDescriptor)it.next();
193 generateTaskStructs(outstructs, outmethodheader);
195 /* Outputs generic task structures if this is a task
197 outputTaskTypes(outtask);
201 // an opportunity for subclasses to do extra
203 preCodeGenInitialization();
206 /* Build the actual methods */
207 outputMethods(outmethod);
210 // opportunity for subclasses to gen extra code
211 additionalCodeGen(outmethodheader,
217 /* Output code for tasks */
218 outputTaskCode(outtaskdefs, outmethod);
220 /* Record maximum number of task parameters */
221 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
222 } else if (state.main!=null) {
223 /* Generate main method */
224 outputMainMethod(outmethod);
227 /* Generate information for task with optional parameters */
228 if (state.TASK&&state.OPTIONAL) {
229 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
230 outoptionalarrays.close();
233 /* Output structure definitions for repair tool */
234 if (state.structfile!=null) {
235 buildRepairStructs(outrepairstructs);
236 outrepairstructs.close();
240 outmethodheader.println("#endif");
241 outmethodheader.close();
243 outstructs.println("#endif");
248 postCodeGenCleanUp();
253 /* This method goes though the call graph and tag those methods that are
254 * invoked inside static blocks
256 protected void tagMethodInvokedByStaticBlock() {
257 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
258 MethodDescriptor current_md=null;
259 HashSet tovisit=new HashSet();
260 HashSet visited=new HashSet();
262 while(it_sclasses.hasNext()) {
263 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
264 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
270 while(!tovisit.isEmpty()) {
271 current_md=(MethodDescriptor)tovisit.iterator().next();
272 tovisit.remove(current_md);
273 visited.add(current_md);
274 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
275 while(it_callee.hasNext()) {
276 Descriptor d = (Descriptor)it_callee.next();
277 if(d instanceof MethodDescriptor) {
278 if(!visited.contains(d)) {
279 ((MethodDescriptor)d).setIsInvokedByStatic(true);
287 /* This code generates code for each static block and static field
289 protected void outputStaticBlocks(PrintWriter outmethod) {
290 // execute all the static blocks and all the static field initializations
291 // execute all the static blocks and all the static field initializations
292 SymbolTable sctbl = this.state.getSClassSymbolTable();
293 Iterator it_sclasses = sctbl.getDescriptorsIterator();
294 if(it_sclasses.hasNext()) {
295 while(it_sclasses.hasNext()) {
296 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
297 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
299 outmethod.println(" {");
300 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
301 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
302 outmethod.println("0, NULL};");
303 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
305 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
307 outmethod.println(" }");
313 /* This code generates code to create a Class object for each class for
316 protected void outputClassObjects(PrintWriter outmethod) {
317 // for each class, initialize its Class object
318 SymbolTable ctbl = this.state.getClassSymbolTable();
319 for(Iterator it_classes = ctbl.getDescriptorsIterator();it_classes.hasNext();) {
320 ClassDescriptor t_cd = (ClassDescriptor)it_classes.next();
321 outmethod.println(" {");
322 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
323 outmethod.println(" struct garbagelist dummy={0,NULL};");
324 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new(&dummy, " + typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
326 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new("+typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
327 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj->type = " + t_cd.getId() + ";");
328 outmethod.println(" }");
332 /* This code just generates the main C method for java programs.
333 * The main C method packs up the arguments into a string array
334 * and passes it to the java main method. */
336 protected void outputMainMethod(PrintWriter outmethod) {
337 outmethod.println("int main(int argc, const char *argv[]) {");
338 outmethod.println(" int i;");
339 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
340 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
341 if (GENERATEPRECISEGC) {
342 outmethod.println(" global_defs_p->size="+globaldefscount+";");
343 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
344 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
345 outmethod.println(" }");
347 outputStaticBlocks(outmethod);
348 outputClassObjects(outmethod);
351 additionalCodeAtTopOfMain(outmethod);
354 outmethod.println("initializethreads();");
357 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
358 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
360 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
362 outmethod.println(" for(i=1;i<argc;i++) {");
363 outmethod.println(" int length=strlen(argv[i]);");
365 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
366 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
368 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
370 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
371 outmethod.println(" }");
373 MethodDescriptor md=typeutil.getMain();
374 ClassDescriptor cd=typeutil.getMainClass();
376 outmethod.println(" {");
377 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
378 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
379 outmethod.println("1, NULL,"+"stringarray};");
380 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
382 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
384 outmethod.println(" }");
387 outmethod.println("pthread_mutex_lock(&gclistlock);");
388 outmethod.println("threadcount--;");
389 outmethod.println("pthread_cond_signal(&gccond);");
390 outmethod.println("pthread_mutex_unlock(&gclistlock);");
393 if (state.EVENTMONITOR) {
394 outmethod.println("dumpdata();");
398 outmethod.println("pthread_exit(NULL);");
401 additionalCodeAtBottomOfMain(outmethod);
403 outmethod.println("}");
406 /* This method outputs code for each task. */
408 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
409 /* Compile task based program */
410 outtaskdefs.println("#include \"task.h\"");
411 outtaskdefs.println("#include \"methodheaders.h\"");
412 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
413 while(taskit.hasNext()) {
414 TaskDescriptor td=(TaskDescriptor)taskit.next();
415 FlatMethod fm=state.getMethodFlat(td);
416 generateFlatMethod(fm, outmethod);
417 generateTaskDescriptor(outtaskdefs, fm, td);
420 //Output task descriptors
421 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
422 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
424 while(taskit.hasNext()) {
425 TaskDescriptor td=(TaskDescriptor)taskit.next();
429 outtaskdefs.println(",");
430 outtaskdefs.print("&task_"+td.getSafeSymbol());
432 outtaskdefs.println("};");
434 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
438 /* This method outputs most of the methods.c file. This includes
439 * some standard includes and then an array with the sizes of
440 * objets and array that stores supertype and then the code for
441 * the Java methods.. */
442 protected void outputMethods(PrintWriter outmethod) {
443 outmethod.println("#include \"methodheaders.h\"");
444 outmethod.println("#include \"virtualtable.h\"");
445 outmethod.println("#include \"runtime.h\"");
447 // always include: compiler directives will leave out
448 // instrumentation when option is not set
449 outmethod.println("#include \"coreprof/coreprof.h\"");
451 if (state.FASTCHECK) {
452 outmethod.println("#include \"localobjects.h\"");
454 if(state.MULTICORE) {
456 outmethod.println("#include \"task.h\"");
458 outmethod.println("#include \"multicoreruntime.h\"");
459 outmethod.println("#include \"runtime_arch.h\"");
461 if (state.THREAD||state.DSM||state.SINGLETM) {
462 outmethod.println("#include <thread.h>");
465 outmethod.println("#include \"thread.h\"");
467 if (state.main!=null) {
468 outmethod.println("#include <string.h>");
470 if (state.CONSCHECK) {
471 outmethod.println("#include \"checkers.h\"");
475 additionalIncludesMethodsImplementation(outmethod);
477 outmethod.println("struct global_defs_t * global_defs_p;");
478 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
479 //Store the sizes of classes & array elements
480 generateSizeArray(outmethod);
482 //Store table of supertypes
483 generateSuperTypeTable(outmethod);
485 //Store the layout of classes
486 generateLayoutStructs(outmethod);
489 additionalCodeAtTopMethodsImplementation(outmethod);
491 generateMethods(outmethod);
494 protected void generateMethods(PrintWriter outmethod) {
495 /* Generate code for methods */
496 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
497 while(classit.hasNext()) {
498 ClassDescriptor cn=(ClassDescriptor)classit.next();
499 Iterator methodit=cn.getMethods();
500 while(methodit.hasNext()) {
501 /* Classify parameters */
502 MethodDescriptor md=(MethodDescriptor)methodit.next();
503 FlatMethod fm=state.getMethodFlat(md);
504 if (!md.getModifiers().isNative()) {
505 generateFlatMethod(fm, outmethod);
511 protected void outputStructs(PrintWriter outstructs) {
512 outstructs.println("#ifndef STRUCTDEFS_H");
513 outstructs.println("#define STRUCTDEFS_H");
514 outstructs.println("#include \"classdefs.h\"");
515 outstructs.println("#ifndef INTPTR");
516 outstructs.println("#ifdef BIT64");
517 outstructs.println("#define INTPTR long");
518 outstructs.println("#else");
519 outstructs.println("#define INTPTR int");
520 outstructs.println("#endif");
521 outstructs.println("#endif");
524 additionalIncludesStructsHeader(outstructs);
527 /* Output #defines that the runtime uses to determine type
528 * numbers for various objects it needs */
529 outstructs.println("#define MAXCOUNT "+maxcount);
531 outstructs.println("#define STRINGARRAYTYPE "+
532 (state.getArrayNumber(
533 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
535 outstructs.println("#define OBJECTARRAYTYPE "+
536 (state.getArrayNumber(
537 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
540 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
541 outstructs.println("#define CHARARRAYTYPE "+
542 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
544 outstructs.println("#define BYTEARRAYTYPE "+
545 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
547 outstructs.println("#define BYTEARRAYARRAYTYPE "+
548 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
550 outstructs.println("#define NUMCLASSES "+state.numClasses());
551 int totalClassSize = state.numClasses() + state.numArrays();
552 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
554 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
555 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
556 outstructs.println("#define TAGARRAYTYPE "+
557 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
561 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
562 if (state.THREAD||state.DSM||state.SINGLETM)
563 outclassdefs.println("#include <pthread.h>");
564 outclassdefs.println("#ifndef INTPTR");
565 outclassdefs.println("#ifdef BIT64");
566 outclassdefs.println("#define INTPTR long");
567 outclassdefs.println("#else");
568 outclassdefs.println("#define INTPTR int");
569 outclassdefs.println("#endif");
570 outclassdefs.println("#endif");
572 outclassdefs.println("#include \"optionalstruct.h\"");
573 outclassdefs.println("struct "+arraytype+";");
574 /* Start by declaring all structs */
575 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
576 while(it.hasNext()) {
577 ClassDescriptor cn=(ClassDescriptor)it.next();
578 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
580 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
581 // this class has static fields/blocks, need to add a global flag to
582 // indicate if its static fields have been initialized and/or if its
583 // static blocks have been executed
584 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
587 // for each class, create a global object
588 outglobaldefs.println(" struct ___Object___ *"+cn.getSafeSymbol()+"classobj;");
591 outclassdefs.println("");
592 //Print out definition for array type
593 outclassdefs.println("struct "+arraytype+" {");
594 outclassdefs.println(" int type;");
597 additionalClassObjectFields(outclassdefs);
600 if (state.EVENTMONITOR) {
601 outclassdefs.println(" int objuid;");
604 outclassdefs.println(" pthread_t tid;");
605 outclassdefs.println(" void * lockentry;");
606 outclassdefs.println(" int lockcount;");
609 outclassdefs.println(" int mutex;");
610 outclassdefs.println(" volatile int notifycount;");
611 outclassdefs.println(" int objlock;");
612 if(state.MULTICOREGC) {
613 outclassdefs.println(" int marked;");
617 outclassdefs.println(" int flag;");
618 if(!state.MULTICORE) {
619 outclassdefs.println(" void * flagptr;");
621 outclassdefs.println(" int version;");
622 outclassdefs.println(" int * lock;"); // lock entry for this obj
623 outclassdefs.println(" int mutex;");
624 outclassdefs.println(" int lockcount;");
625 if(state.MULTICOREGC) {
626 outclassdefs.println(" int marked;");
630 outclassdefs.println(" int numfses;");
631 outclassdefs.println(" int * fses;");
635 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
636 printedfieldstbl.clear();
637 printExtraArrayFields(outclassdefs);
638 if (state.ARRAYPAD) {
639 outclassdefs.println(" int paddingforarray;");
642 outclassdefs.println(" int ___length___;");
643 outclassdefs.println("};\n");
646 // TODO add version for normal Java later
647 outclassdefs.println("");
648 //Print out definition for Class type
649 outclassdefs.println("struct Class {");
650 outclassdefs.println(" int type;");
653 additionalClassObjectFields(outclassdefs);
656 if (state.EVENTMONITOR) {
657 outclassdefs.println(" int objuid;");
660 outclassdefs.println(" pthread_t tid;");
661 outclassdefs.println(" void * lockentry;");
662 outclassdefs.println(" int lockcount;");
665 outclassdefs.println(" int mutex;");
666 outclassdefs.println(" volatile int notifycount;");
667 outclassdefs.println(" int objlock;");
668 if(state.MULTICOREGC) {
669 outclassdefs.println(" int marked;");
673 outclassdefs.println(" int flag;");
674 if(!state.MULTICORE) {
675 outclassdefs.println(" void * flagptr;");
677 outclassdefs.println(" int version;");
678 outclassdefs.println(" int * lock;"); // lock entry for this obj
679 outclassdefs.println(" int mutex;");
680 outclassdefs.println(" int lockcount;");
681 if(state.MULTICOREGC) {
682 outclassdefs.println(" int marked;");
686 outclassdefs.println(" int numfses;");
687 outclassdefs.println(" int * fses;");
690 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
691 printedfieldstbl.clear();
692 outclassdefs.println("};\n");
695 outclassdefs.println("");
696 outclassdefs.println("extern int classsize[];");
697 outclassdefs.println("extern int hasflags[];");
698 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
699 outclassdefs.println("extern int* supertypes[];");
700 outclassdefs.println("");
703 /** Prints out definitions for generic task structures */
705 protected void outputTaskTypes(PrintWriter outtask) {
706 outtask.println("#ifndef _TASK_H");
707 outtask.println("#define _TASK_H");
708 outtask.println("struct parameterdescriptor {");
709 outtask.println("int type;");
710 outtask.println("int numberterms;");
711 outtask.println("int *intarray;");
712 outtask.println("void * queue;");
713 outtask.println("int numbertags;");
714 outtask.println("int *tagarray;");
715 outtask.println("};");
717 outtask.println("struct taskdescriptor {");
718 outtask.println("void * taskptr;");
719 outtask.println("int numParameters;");
720 outtask.println(" int numTotal;");
721 outtask.println("struct parameterdescriptor **descriptorarray;");
722 outtask.println("char * name;");
723 outtask.println("};");
724 outtask.println("extern struct taskdescriptor * taskarray[];");
725 outtask.println("extern numtasks;");
726 outtask.println("#endif");
730 protected void buildRepairStructs(PrintWriter outrepairstructs) {
731 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
732 while(classit.hasNext()) {
733 ClassDescriptor cn=(ClassDescriptor)classit.next();
734 outrepairstructs.println("structure "+cn.getSymbol()+" {");
735 outrepairstructs.println(" int __type__;");
737 outrepairstructs.println(" int __flag__;");
738 if(!state.MULTICORE) {
739 outrepairstructs.println(" int __flagptr__;");
742 printRepairStruct(cn, outrepairstructs);
743 outrepairstructs.println("}\n");
746 for(int i=0; i<state.numArrays(); i++) {
747 TypeDescriptor tdarray=arraytable[i];
748 TypeDescriptor tdelement=tdarray.dereference();
749 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
750 outrepairstructs.println(" int __type__;");
751 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
752 outrepairstructs.println(" int length;");
753 outrepairstructs.println("}\n");
757 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
758 ClassDescriptor sp=cn.getSuperDesc();
760 printRepairStruct(sp, output);
762 Vector fields=(Vector)fieldorder.get(cn);
764 for(int i=0; i<fields.size(); i++) {
765 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
766 if (fd.getType().isArray()) {
767 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
768 } else if (fd.getType().isClass())
769 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
770 else if (fd.getType().isFloat())
771 output.println(" int "+fd.getSymbol()+"; /* really float */");
773 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
777 /** This method outputs TaskDescriptor information */
778 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
779 for (int i=0; i<task.numParameters(); i++) {
780 VarDescriptor param_var=task.getParameter(i);
781 TypeDescriptor param_type=task.getParamType(i);
782 FlagExpressionNode param_flag=task.getFlag(param_var);
783 TagExpressionList param_tag=task.getTag(param_var);
786 if (param_flag==null) {
787 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
788 output.println("0x0, 0x0 };");
791 DNFFlag dflag=param_flag.getDNF();
792 dnfterms=dflag.size();
794 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
795 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
796 for(int j=0; j<dflag.size(); j++) {
799 Vector term=dflag.get(j);
802 for(int k=0; k<term.size(); k++) {
803 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
804 FlagDescriptor fd=dfa.getFlag();
805 boolean negated=dfa.getNegated();
806 int flagid=1<<((Integer)flags.get(fd)).intValue();
811 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
813 output.println("};");
816 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
818 for(int j=0; j<param_tag.numTags(); j++) {
821 /* for each tag we need */
822 /* which slot it is */
823 /* what type it is */
824 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
825 TempDescriptor tmp=param_tag.getTemp(j);
826 int slot=fm.getTagInt(tmp);
827 output.println(slot+", "+state.getTagId(tvd.getTag()));
829 output.println("};");
831 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
832 output.println("/* type */"+param_type.getClassDesc().getId()+",");
833 output.println("/* number of DNF terms */"+dnfterms+",");
834 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
835 output.println("0,");
837 output.println("/* number of tags */"+param_tag.numTags()+",");
839 output.println("/* number of tags */ 0,");
840 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
841 output.println("};");
845 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
846 for (int i=0; i<task.numParameters(); i++) {
849 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
851 output.println("};");
853 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
854 output.println("&"+task.getSafeSymbol()+",");
855 output.println("/* number of parameters */" +task.numParameters() + ",");
856 int numtotal=task.numParameters()+fm.numTags();
857 output.println("/* number total parameters */" +numtotal + ",");
858 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
859 output.println("\""+task.getSymbol()+"\"");
860 output.println("};");
864 /** The buildVirtualTables method outputs the virtual dispatch
865 * tables for methods. */
867 protected void buildVirtualTables(PrintWriter outvirtual) {
868 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
869 while(classit.hasNext()) {
870 ClassDescriptor cd=(ClassDescriptor)classit.next();
871 if (virtualcalls.getMethodCount(cd)>maxcount)
872 maxcount=virtualcalls.getMethodCount(cd);
874 MethodDescriptor[][] virtualtable=null;
875 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
877 /* Fill in virtual table */
878 classit=state.getClassSymbolTable().getDescriptorsIterator();
879 while(classit.hasNext()) {
880 ClassDescriptor cd=(ClassDescriptor)classit.next();
881 fillinRow(cd, virtualtable, cd.getId());
884 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
885 Iterator arrayit=state.getArrayIterator();
886 while(arrayit.hasNext()) {
887 TypeDescriptor td=(TypeDescriptor)arrayit.next();
888 int id=state.getArrayNumber(td);
889 fillinRow(objectcd, virtualtable, id+state.numClasses());
892 outvirtual.print("void * virtualtable[]={");
893 boolean needcomma=false;
894 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
895 for(int j=0; j<maxcount; j++) {
897 outvirtual.print(", ");
898 if (virtualtable[i][j]!=null) {
899 MethodDescriptor md=virtualtable[i][j];
900 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
902 outvirtual.print("0");
906 outvirtual.println("");
908 outvirtual.println("};");
912 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
913 /* Get inherited methods */
914 if (cd.getSuperDesc()!=null)
915 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
916 Iterator it_sifs = cd.getSuperInterfaces();
917 while(it_sifs.hasNext()) {
918 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
919 fillinRow(superif, virtualtable, rownum);
921 /* Override them with our methods */
922 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
923 MethodDescriptor md=(MethodDescriptor)it.next();
924 if (md.isStatic()||md.getReturnType()==null)
926 int methodnum=virtualcalls.getMethodNumber(md);
927 virtualtable[rownum][methodnum]=md;
931 /** Generate array that contains the sizes of class objects. The
932 * object allocation functions in the runtime use this
935 protected void generateSizeArray(PrintWriter outclassdefs) {
936 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
937 generateSizeArrayExtensions(outclassdefs);
939 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
940 cdarray=new ClassDescriptor[state.numClasses()];
943 while(it.hasNext()) {
944 ClassDescriptor cd=(ClassDescriptor)it.next();
945 cdarray[cd.getId()] = cd;
948 arraytable=new TypeDescriptor[state.numArrays()];
950 Iterator arrayit=state.getArrayIterator();
951 while(arrayit.hasNext()) {
952 TypeDescriptor td=(TypeDescriptor)arrayit.next();
953 int id=state.getArrayNumber(td);
957 /* Print out types */
958 outclassdefs.println("/* ");
959 for(int i=0; i<state.numClasses(); i++) {
960 ClassDescriptor cd=cdarray[i];
962 outclassdefs.println("NULL " + i);
964 outclassdefs.println(cd +" "+i);
968 for(int i=0; i<state.numArrays(); i++) {
969 TypeDescriptor arraytd=arraytable[i];
970 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
973 outclassdefs.println("*/");
976 outclassdefs.print("int classsize[]={");
978 boolean needcomma=false;
979 for(int i=0; i<state.numClasses(); i++) {
981 outclassdefs.print(", ");
983 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
985 outclassdefs.print("0");
991 for(int i=0; i<state.numArrays(); i++) {
993 outclassdefs.print(", ");
994 TypeDescriptor tdelement=arraytable[i].dereference();
995 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
996 outclassdefs.print("sizeof(void *)");
998 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1002 outclassdefs.println("};");
1004 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1006 outclassdefs.print("int typearray[]={");
1007 for(int i=0; i<state.numClasses(); i++) {
1008 ClassDescriptor cd=cdarray[i];
1009 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1011 outclassdefs.print(", ");
1013 outclassdefs.print("-1");
1015 outclassdefs.print(supercd.getId());
1019 for(int i=0; i<state.numArrays(); i++) {
1020 TypeDescriptor arraytd=arraytable[i];
1021 ClassDescriptor arraycd=arraytd.getClassDesc();
1022 if (arraycd==null) {
1024 outclassdefs.print(", ");
1025 outclassdefs.print(objectclass.getId());
1029 ClassDescriptor cd=arraycd.getSuperDesc();
1032 TypeDescriptor supertd=new TypeDescriptor(cd);
1033 supertd.setArrayCount(arraytd.getArrayCount());
1034 type=state.getArrayNumber(supertd);
1036 type+=state.numClasses();
1039 cd=cd.getSuperDesc();
1042 outclassdefs.print(", ");
1043 outclassdefs.print(type);
1047 outclassdefs.println("};");
1052 outclassdefs.print("int typearray2[]={");
1053 for(int i=0; i<state.numArrays(); i++) {
1054 TypeDescriptor arraytd=arraytable[i];
1055 ClassDescriptor arraycd=arraytd.getClassDesc();
1056 if (arraycd==null) {
1058 outclassdefs.print(", ");
1059 outclassdefs.print("-1");
1063 ClassDescriptor cd=arraycd.getSuperDesc();
1064 int level=arraytd.getArrayCount()-1;
1066 for(; level>0; level--) {
1067 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1068 supertd.setArrayCount(level);
1069 type=state.getArrayNumber(supertd);
1071 type+=state.numClasses();
1076 outclassdefs.print(", ");
1077 outclassdefs.print(type);
1081 outclassdefs.println("};");
1084 /** Constructs params and temp objects for each method or task.
1085 * These objects tell the compiler which temps need to be
1088 protected void generateTempStructs(FlatMethod fm) {
1089 MethodDescriptor md=fm.getMethod();
1090 TaskDescriptor task=fm.getTask();
1091 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1093 paramstable.put(md, objectparams);
1095 paramstable.put(task, objectparams);
1097 for(int i=0; i<fm.numParameters(); i++) {
1098 TempDescriptor temp=fm.getParameter(i);
1099 TypeDescriptor type=temp.getType();
1100 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1101 objectparams.addPtr(temp);
1103 objectparams.addPrim(temp);
1106 for(int i=0; i<fm.numTags(); i++) {
1107 TempDescriptor temp=fm.getTag(i);
1108 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1109 objectparams.addPtr(temp);
1111 objectparams.addPrim(temp);
1114 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1116 tempstable.put(md, objecttemps);
1118 tempstable.put(task, objecttemps);
1120 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1121 FlatNode fn=(FlatNode)nodeit.next();
1122 TempDescriptor[] writes=fn.writesTemps();
1123 for(int i=0; i<writes.length; i++) {
1124 TempDescriptor temp=writes[i];
1125 TypeDescriptor type=temp.getType();
1126 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1127 objecttemps.addPtr(temp);
1129 objecttemps.addPrim(temp);
1134 /** This method outputs the following information about classes
1136 * (1) For classes, what are the locations of pointers.
1137 * (2) For arrays, does the array contain pointers or primitives.
1138 * (3) For classes, does the class contain flags.
1141 protected void generateLayoutStructs(PrintWriter output) {
1142 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1143 while(it.hasNext()) {
1144 ClassDescriptor cn=(ClassDescriptor)it.next();
1145 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1146 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1148 while(allit.hasNext()) {
1149 FieldDescriptor fd=(FieldDescriptor)allit.next();
1150 TypeDescriptor type=fd.getType();
1154 output.print(count);
1155 allit=cn.getFieldTable().getAllDescriptorsIterator();
1156 while(allit.hasNext()) {
1157 FieldDescriptor fd=(FieldDescriptor)allit.next();
1158 if(fd.isStatic() /*|| fd.isVolatile()*/) {
1161 TypeDescriptor type=fd.getType();
1163 output.println(",");
1164 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1165 fd.getSafeSymbol()+"))");
1168 output.println("};");
1170 output.println("unsigned INTPTR * pointerarray[]={");
1171 boolean needcomma=false;
1172 for(int i=0; i<state.numClasses(); i++) {
1173 ClassDescriptor cn=cdarray[i];
1175 output.println(",");
1178 output.print(cn.getSafeSymbol()+"_pointers");
1180 output.print("NULL");
1184 for(int i=0; i<state.numArrays(); i++) {
1186 output.println(", ");
1187 TypeDescriptor tdelement=arraytable[i].dereference();
1188 if (tdelement.isArray()||tdelement.isClass())
1189 output.print("((unsigned INTPTR *)1)");
1195 output.println("};");
1197 output.println("int hasflags[]={");
1198 for(int i=0; i<state.numClasses(); i++) {
1199 ClassDescriptor cn=cdarray[i];
1201 output.println(", ");
1203 if ((cn != null) && (cn.hasFlags()))
1208 output.println("};");
1211 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1214 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1215 supertd.setArrayCount(arraytd.getArrayCount());
1216 type=state.getArrayNumber(supertd);
1221 ClassDescriptor cd = arraycd.getSuperDesc();
1223 type = checkarraysupertype(cd, arraytd);
1229 Iterator it_sifs = arraycd.getSuperInterfaces();
1230 while(it_sifs.hasNext()) {
1231 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1232 type = checkarraysupertype(ifcd, arraytd);
1242 /** Print out table to give us supertypes */
1243 protected void generateSuperTypeTable(PrintWriter output) {
1244 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1245 for(int i=0; i<state.numClasses(); i++) {
1246 ClassDescriptor cn=cdarray[i];
1250 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1251 boolean ncomma = false;
1253 if((cn != null) && (cn.getSuperDesc() != null)) {
1256 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1257 while(it_sifs != null && it_sifs.hasNext()) {
1263 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1267 ClassDescriptor cdsuper=cn.getSuperDesc();
1268 output.print(cdsuper.getId());
1270 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1271 while(it_sifs != null && it_sifs.hasNext()) {
1275 output.print(((ClassDescriptor)it_sifs.next()).getId());
1278 output.println("};");
1281 for(int i=0; i<state.numArrays(); i++) {
1282 TypeDescriptor arraytd=arraytable[i];
1283 ClassDescriptor arraycd=arraytd.getClassDesc();
1284 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1285 boolean ncomma = false;
1287 if (arraycd==null) {
1291 output.print(objectclass.getId());
1292 output.println("};");
1295 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1298 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1299 while(it_sifs != null && it_sifs.hasNext()) {
1305 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1306 ClassDescriptor cd=arraycd.getSuperDesc();
1309 type = checkarraysupertype(cd, arraytd);
1311 type += state.numClasses();
1318 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1319 while(it_sifs != null && it_sifs.hasNext()) {
1320 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1321 int type = checkarraysupertype(ifcd , arraytd);
1323 type += state.numClasses();
1329 output.println("};");
1332 output.println("int* supertypes[]={");
1333 boolean needcomma=false;
1334 for(int i=0; i<state.numClasses(); i++) {
1335 ClassDescriptor cn=cdarray[i];
1337 output.println(",");
1340 output.print("supertypes" + cn.getSafeSymbol());
1346 for(int i=0; i<state.numArrays(); i++) {
1348 output.println(",");
1350 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1352 output.println("};");
1355 /** Force consistent field ordering between inherited classes. */
1357 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1359 ClassDescriptor sp=cn.getSuperDesc();
1361 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1363 SymbolTable sitbl = cn.getSuperInterfaceTable();
1364 Iterator it_sifs = sitbl.getDescriptorsIterator();
1365 while(it_sifs.hasNext()) {
1366 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1367 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1370 if (!fieldorder.containsKey(cn)) {
1371 Vector fields=new Vector();
1372 fieldorder.put(cn,fields);
1374 Vector fieldvec=cn.getFieldVec();
1375 for(int i=0; i<fieldvec.size(); i++) {
1376 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1377 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1380 it_sifs = sitbl.getDescriptorsIterator();
1381 boolean hasprinted = false;
1382 while(it_sifs.hasNext()) {
1383 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1384 if(si.getFieldTable().contains(fd.getSymbol())) {
1390 // this field has been defined in the super class
1397 //Vector fields=(Vector)fieldorder.get(cn);
1399 Vector fields = cn.getFieldVec();
1401 for(int i=0; i<fields.size(); i++) {
1402 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1403 String fstring = fd.getSafeSymbol();
1404 if(printedfieldstbl.containsKey(fstring)) {
1405 printedfieldstbl.put(fstring, cn);
1408 printedfieldstbl.put(fstring, cn);
1410 if (fd.getType().isClass()
1411 && fd.getType().getClassDesc().isEnum()) {
1412 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1413 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1414 if (fd.isStatic()) {
1415 // TODO add version for normal Java later
1417 if(globaldefout != null) {
1418 if(fd.isVolatile()) {
1419 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1421 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1425 } else if (fd.isVolatile()) {
1427 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1429 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1431 } else if (fd.isStatic()) {
1432 // TODO add version for normal Java later
1434 if(globaldefout != null) {
1435 if(fd.isVolatile()) {
1436 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1438 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1442 } else if (fd.isVolatile()) {
1444 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1446 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1451 /* Map flags to integers consistently between inherited
1454 protected void mapFlags(ClassDescriptor cn) {
1455 ClassDescriptor sp=cn.getSuperDesc();
1459 if (!flagorder.containsKey(cn)) {
1460 Hashtable flags=new Hashtable();
1461 flagorder.put(cn,flags);
1463 Hashtable superflags=(Hashtable)flagorder.get(sp);
1464 Iterator superflagit=superflags.keySet().iterator();
1465 while(superflagit.hasNext()) {
1466 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1467 Integer number=(Integer)superflags.get(fd);
1468 flags.put(fd, number);
1469 if ((number.intValue()+1)>max)
1470 max=number.intValue()+1;
1474 Iterator flagit=cn.getFlags();
1475 while(flagit.hasNext()) {
1476 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1477 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1478 flags.put(fd, new Integer(max++));
1484 /** This function outputs (1) structures that parameters are
1485 * passed in (when PRECISE GC is enabled) and (2) function
1486 * prototypes for the methods */
1488 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1489 /* Output class structure */
1490 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1491 classdefout.println(" int type;");
1494 additionalClassObjectFields(classdefout);
1497 if (state.EVENTMONITOR) {
1498 classdefout.println(" int objuid;");
1501 classdefout.println(" pthread_t tid;");
1502 classdefout.println(" void * lockentry;");
1503 classdefout.println(" int lockcount;");
1506 classdefout.println(" int mutex;");
1507 classdefout.println(" volatile int notifycount;");
1508 classdefout.println(" int objlock;");
1509 if(state.MULTICOREGC) {
1510 classdefout.println(" int marked;");
1514 classdefout.println(" int flag;");
1515 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1516 classdefout.println(" void * flagptr;");
1517 } else if (state.MULTICORE) {
1518 classdefout.println(" int version;");
1519 classdefout.println(" int * lock;"); // lock entry for this obj
1520 classdefout.println(" int mutex;");
1521 classdefout.println(" int lockcount;");
1522 if(state.MULTICOREGC) {
1523 classdefout.println(" int marked;");
1526 if (state.OPTIONAL) {
1527 classdefout.println(" int numfses;");
1528 classdefout.println(" int * fses;");
1531 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1532 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1533 classdefout.println("};\n");
1534 generateCallStructsMethods(cn, output, headersout);
1538 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1539 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1540 MethodDescriptor md=(MethodDescriptor)methodit.next();
1541 generateMethod(cn, md, headersout, output);
1545 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1546 /* Output parameter structure */
1547 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1548 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1549 // generate the staticinit version
1550 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1552 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1553 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1554 output.println(" int size;");
1555 output.println(" void * next;");
1556 for(int i=0; i<objectparams.numPointers(); i++) {
1557 TempDescriptor temp=objectparams.getPointer(i);
1558 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1559 output.println(" int " + temp.getSafeSymbol() + ";");
1561 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1564 output.println("};\n");
1567 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1568 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1569 output.println(" int size;");
1570 output.println(" void * next;");
1571 for(int i=0; i<objectparams.numPointers(); i++) {
1572 TempDescriptor temp=objectparams.getPointer(i);
1573 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1574 output.println(" int " + temp.getSafeSymbol() + ";");
1576 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1579 output.println("};\n");
1583 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1584 FlatMethod fm=state.getMethodFlat(md);
1585 generateTempStructs(fm);
1587 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1588 TempObject objecttemps=(TempObject) tempstable.get(md);
1590 boolean printcomma = false;
1592 generateMethodParam(cn, md, output);
1594 if(md.isInvokedByStatic()) {
1595 // generate the staticinit version
1596 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1598 /* Output temp structure */
1599 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1600 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1601 output.println(" int size;");
1602 output.println(" void * next;");
1603 for(int i=0; i<objecttemps.numPointers(); i++) {
1604 TempDescriptor temp=objecttemps.getPointer(i);
1605 if (temp.getType().isNull())
1606 output.println(" void * "+temp.getSafeSymbol()+";");
1608 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1610 output.println("};\n");
1613 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1614 /* First the return type */
1615 if (md.getReturnType()!=null) {
1616 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1617 headersout.println(" int ");
1618 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1619 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1621 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1623 //catch the constructor case
1624 headersout.print("void ");
1626 /* Next the method name */
1627 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1629 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1630 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1634 /* Output parameter list*/
1635 for(int i=0; i<objectparams.numPrimitives(); i++) {
1636 TempDescriptor temp=objectparams.getPrimitive(i);
1638 headersout.print(", ");
1640 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1641 headersout.print("int " + temp.getSafeSymbol());
1642 } else if (temp.getType().isClass()||temp.getType().isArray())
1643 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1645 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1647 headersout.println(");\n");
1650 /* Output temp structure */
1651 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1652 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1653 output.println(" int size;");
1654 output.println(" void * next;");
1655 for(int i=0; i<objecttemps.numPointers(); i++) {
1656 TempDescriptor temp=objecttemps.getPointer(i);
1657 if (temp.getType().isNull())
1658 output.println(" void * "+temp.getSafeSymbol()+";");
1660 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1662 output.println("};\n");
1665 /********* Output method declaration ***********/
1666 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1667 /* First the return type */
1668 if (md.getReturnType()!=null) {
1669 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1670 headersout.println(" int ");
1671 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1672 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1674 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1676 //catch the constructor case
1677 headersout.print("void ");
1679 /* Next the method name */
1680 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1682 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1683 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1687 /* Output parameter list*/
1688 for(int i=0; i<objectparams.numPrimitives(); i++) {
1689 TempDescriptor temp=objectparams.getPrimitive(i);
1691 headersout.print(", ");
1693 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1694 headersout.print("int " + temp.getSafeSymbol());
1695 } else if (temp.getType().isClass()||temp.getType().isArray())
1696 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1698 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1700 headersout.println(");\n");
1704 /** This function outputs (1) structures that parameters are
1705 * passed in (when PRECISE GC is enabled) and (2) function
1706 * prototypes for the tasks */
1708 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1709 /* Cycle through tasks */
1710 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1712 while(taskit.hasNext()) {
1713 /* Classify parameters */
1714 TaskDescriptor task=(TaskDescriptor)taskit.next();
1715 FlatMethod fm=state.getMethodFlat(task);
1716 generateTempStructs(fm);
1718 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1719 TempObject objecttemps=(TempObject) tempstable.get(task);
1721 /* Output parameter structure */
1722 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1723 output.println("struct "+task.getSafeSymbol()+"_params {");
1724 output.println(" int size;");
1725 output.println(" void * next;");
1726 for(int i=0; i<objectparams.numPointers(); i++) {
1727 TempDescriptor temp=objectparams.getPointer(i);
1728 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1731 output.println("};\n");
1732 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1733 maxtaskparams=objectparams.numPointers()+fm.numTags();
1737 /* Output temp structure */
1738 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1739 output.println("struct "+task.getSafeSymbol()+"_locals {");
1740 output.println(" int size;");
1741 output.println(" void * next;");
1742 for(int i=0; i<objecttemps.numPointers(); i++) {
1743 TempDescriptor temp=objecttemps.getPointer(i);
1744 if (temp.getType().isNull())
1745 output.println(" void * "+temp.getSafeSymbol()+";");
1746 else if(temp.getType().isTag())
1747 output.println(" struct "+
1748 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1750 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1752 output.println("};\n");
1755 /* Output task declaration */
1756 headersout.print("void " + task.getSafeSymbol()+"(");
1758 boolean printcomma=false;
1759 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1760 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1762 headersout.print("void * parameterarray[]");
1763 headersout.println(");\n");
1767 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1768 if (State.PRINTFLAT)
1769 System.out.println(fm.printMethod());
1770 MethodDescriptor md=fm.getMethod();
1771 TaskDescriptor task=fm.getTask();
1772 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1773 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1775 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock()) {
1776 // generate a special static init version
1777 mgcstaticinit = true;
1778 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1780 generateHeader(fm, md!=null ? md : task,output);
1781 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1783 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1784 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1785 output.print(objecttemp.numPointers()+",");
1786 output.print(paramsprefix);
1787 for(int j=0; j<objecttemp.numPointers(); j++)
1788 output.print(", NULL");
1789 output.println("};");
1792 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1793 TempDescriptor td=objecttemp.getPrimitive(i);
1794 TypeDescriptor type=td.getType();
1795 if (type.isNull() && !type.isArray())
1796 output.println(" void * "+td.getSafeSymbol()+";");
1797 else if (type.isClass() && type.getClassDesc().isEnum()) {
1798 output.println(" int " + td.getSafeSymbol() + ";");
1799 } else if (type.isClass()||type.isArray())
1800 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1802 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1805 additionalCodeAtTopFlatMethodBody(output, fm);
1807 /* Check to see if we need to do a GC if this is a
1808 * multi-threaded program...*/
1810 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1811 || this.state.MULTICOREGC) {
1812 //Don't bother if we aren't in recursive methods...The loops case will catch it
1813 if (callgraph.getAllMethods(md).contains(md)) {
1814 if (this.state.MULTICOREGC) {
1815 output.println("if(gcflag) gc("+localsprefixaddr+");");
1817 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1822 generateCode(fm.getNext(0), fm, null, output);
1824 output.println("}\n\n");
1826 mgcstaticinit = false;
1829 generateHeader(fm, md!=null ? md : task,output);
1830 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1832 if((md != null) && (md.isStaticBlock())) {
1833 mgcstaticinit = true;
1836 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1838 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1840 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1841 output.print(objecttemp.numPointers()+",");
1842 output.print(paramsprefix);
1843 for(int j=0; j<objecttemp.numPointers(); j++)
1844 output.print(", NULL");
1845 output.println("};");
1848 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1849 TempDescriptor td=objecttemp.getPrimitive(i);
1850 TypeDescriptor type=td.getType();
1851 if (type.isNull() && !type.isArray())
1852 output.println(" void * "+td.getSafeSymbol()+";");
1853 else if (type.isClass() && type.getClassDesc().isEnum()) {
1854 output.println(" int " + td.getSafeSymbol() + ";");
1855 } else if (type.isClass()||type.isArray())
1856 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1858 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1861 additionalCodeAtTopFlatMethodBody(output, fm);
1863 /* Check to see if we need to do a GC if this is a
1864 * multi-threaded program...*/
1866 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1867 || this.state.MULTICOREGC) {
1868 //Don't bother if we aren't in recursive methods...The loops case will catch it
1869 if (callgraph.getAllMethods(md).contains(md)) {
1870 if (this.state.MULTICOREGC) {
1871 output.println("if(gcflag) gc("+localsprefixaddr+");");
1873 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1878 if(fm.getMethod().isStaticBlock()) {
1879 // a static block, check if it has been executed
1880 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
1881 output.println(" return;");
1882 output.println(" }");
1886 generateCode(fm.getNext(0), fm, null, output);
1888 output.println("}\n\n");
1890 mgcstaticinit = false;
1893 protected void generateCode(FlatNode first,
1895 Set<FlatNode> stopset,
1896 PrintWriter output) {
1898 /* Assign labels to FlatNode's if necessary.*/
1900 Hashtable<FlatNode, Integer> nodetolabel;
1902 nodetolabel=assignLabels(first, stopset);
1904 Set<FlatNode> storeset=null;
1905 HashSet<FlatNode> genset=null;
1906 HashSet<FlatNode> refset=null;
1907 Set<FlatNode> unionset=null;
1909 /* Do the actual code generation */
1910 FlatNode current_node=null;
1911 HashSet tovisit=new HashSet();
1912 HashSet visited=new HashSet();
1914 while(current_node!=null||!tovisit.isEmpty()) {
1915 if (current_node==null) {
1916 current_node=(FlatNode)tovisit.iterator().next();
1917 tovisit.remove(current_node);
1918 } else if (tovisit.contains(current_node)) {
1919 tovisit.remove(current_node);
1921 visited.add(current_node);
1922 if (nodetolabel.containsKey(current_node)) {
1923 output.println("L"+nodetolabel.get(current_node)+":");
1925 if (state.INSTRUCTIONFAILURE) {
1927 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1929 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1931 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
1933 generateFlatNode(fm, current_node, output);
1935 if (state.OOOJAVA && stopset!=null) {
1936 assert first.getPrev(0) instanceof FlatSESEEnterNode;
1937 assert current_node instanceof FlatSESEExitNode;
1938 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
1939 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
1940 assert fsen.getFlatExit().equals(fsxn);
1941 assert fsxn.getFlatEnter().equals(fsen);
1943 if (current_node.kind()!=FKind.FlatReturnNode) {
1944 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
1945 // a static block, check if it has been executed
1946 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
1949 output.println(" return;");
1952 } else if(current_node.numNext()==1) {
1954 if (state.OOOJAVA &&
1955 current_node.kind()==FKind.FlatSESEEnterNode) {
1956 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
1957 generateFlatNode(fm, current_node, output);
1958 nextnode=fsen.getFlatExit().getNext(0);
1961 generateFlatNode(fm, current_node, output);
1962 nextnode=current_node.getNext(0);
1964 if (visited.contains(nextnode)) {
1965 output.println("goto L"+nodetolabel.get(nextnode)+";");
1968 current_node=nextnode;
1969 } else if (current_node.numNext()==2) {
1972 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1973 if (!visited.contains(current_node.getNext(1)))
1974 tovisit.add(current_node.getNext(1));
1975 if (visited.contains(current_node.getNext(0))) {
1976 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1979 current_node=current_node.getNext(0);
1980 } else throw new Error();
1984 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
1985 HashSet tovisit=new HashSet();
1986 HashSet visited=new HashSet();
1988 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1991 /*Assign labels first. A node needs a label if the previous
1992 * node has two exits or this node is a join point. */
1994 while(!tovisit.isEmpty()) {
1995 FlatNode fn=(FlatNode)tovisit.iterator().next();
2000 if(lastset!=null&&lastset.contains(fn)) {
2001 // if last is not null and matches, don't go
2002 // any further for assigning labels
2006 for(int i=0; i<fn.numNext(); i++) {
2007 FlatNode nn=fn.getNext(i);
2010 //1) Edge >1 of node
2011 nodetolabel.put(nn,new Integer(labelindex++));
2013 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2017 nodetolabel.put(nn,new Integer(labelindex++));
2024 /** Generate text string that corresponds to the TempDescriptor td. */
2025 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2026 MethodDescriptor md=fm.getMethod();
2027 TaskDescriptor task=fm.getTask();
2028 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2030 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2031 return td.getSafeSymbol();
2034 if (objecttemps.isLocalPtr(td)) {
2035 return localsprefixderef+td.getSafeSymbol();
2038 if (objecttemps.isParamPtr(td)) {
2039 return paramsprefix+"->"+td.getSafeSymbol();
2047 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2048 additionalCodePreNode(fm, fn, output);
2052 case FKind.FlatAtomicEnterNode:
2053 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2056 case FKind.FlatAtomicExitNode:
2057 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2060 case FKind.FlatInstanceOfNode:
2061 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2064 case FKind.FlatSESEEnterNode:
2065 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2068 case FKind.FlatSESEExitNode:
2069 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2072 case FKind.FlatWriteDynamicVarNode:
2073 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2076 case FKind.FlatGlobalConvNode:
2077 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2080 case FKind.FlatTagDeclaration:
2081 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2084 case FKind.FlatCall:
2085 generateFlatCall(fm, (FlatCall) fn,output);
2088 case FKind.FlatFieldNode:
2089 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2092 case FKind.FlatElementNode:
2093 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2096 case FKind.FlatSetElementNode:
2097 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2100 case FKind.FlatSetFieldNode:
2101 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2105 generateFlatNew(fm, (FlatNew) fn,output);
2108 case FKind.FlatOpNode:
2109 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2112 case FKind.FlatCastNode:
2113 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2116 case FKind.FlatLiteralNode:
2117 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2120 case FKind.FlatReturnNode:
2121 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2125 output.println("/* nop */");
2128 case FKind.FlatGenReachNode:
2129 // this node is just for generating a reach graph
2130 // in disjointness analysis at a particular program point
2133 case FKind.FlatExit:
2134 output.println("/* exit */");
2137 case FKind.FlatBackEdge:
2138 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2141 case FKind.FlatCheckNode:
2142 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2145 case FKind.FlatFlagActionNode:
2146 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2149 case FKind.FlatPrefetchNode:
2150 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2153 case FKind.FlatOffsetNode:
2154 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2161 additionalCodePostNode(fm, fn, output);
2164 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2165 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2166 || (this.state.MULTICOREGC)) {
2167 if(this.state.MULTICOREGC) {
2168 output.println("if (gcflag) gc("+localsprefixaddr+");");
2170 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2173 output.println("/* nop */");
2176 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2177 output.println("/* FlatOffsetNode */");
2178 FieldDescriptor fd=fofn.getField();
2179 if(!fd.isStatic() /*&& !fd.isVolatile()*/) {
2180 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2181 fd.getSafeSymbol()+");");
2183 output.println("/* offset */");
2186 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2189 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2192 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2195 if (fion.getType().isArray()) {
2196 type=state.getArrayNumber(fion.getType())+state.numClasses();
2198 type=fion.getType().getClassDesc().getId();
2200 if (fion.getSrc().getType().isArray()) {
2201 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2203 otype=fion.getSrc().getType().getClassDesc().getId();
2206 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2207 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2209 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2213 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2216 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2219 public void generateFlatSESEEnterNode(FlatMethod fm,
2220 FlatSESEEnterNode fsen,
2221 PrintWriter output) {
2222 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2223 // just skip over them and code generates exactly the same
2226 public void generateFlatSESEExitNode(FlatMethod fm,
2227 FlatSESEExitNode fsexn,
2228 PrintWriter output) {
2229 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2230 // just skip over them and code generates exactly the same
2233 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2234 FlatWriteDynamicVarNode fwdvn,
2235 PrintWriter output) {
2239 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2240 if (state.CONSCHECK) {
2241 String specname=fcn.getSpec();
2242 String varname="repairstate___";
2243 output.println("{");
2244 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2246 TempDescriptor[] temps=fcn.getTemps();
2247 String[] vars=fcn.getVars();
2248 for(int i=0; i<temps.length; i++) {
2249 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2252 output.println("if (doanalysis"+specname+"("+varname+")) {");
2253 output.println("free"+specname+"_state("+varname+");");
2254 output.println("} else {");
2255 output.println("/* Bad invariant */");
2256 output.println("free"+specname+"_state("+varname+");");
2257 output.println("abort_task();");
2258 output.println("}");
2259 output.println("}");
2263 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2264 MethodDescriptor md=fc.getMethod();
2265 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2266 ClassDescriptor cn=md.getClassDesc();
2267 String mdstring = md.getSafeMethodDescriptor();
2268 if(mgcstaticinit && !md.getModifiers().isNative()) {
2269 mdstring += "staticinit";
2272 // if the called method is a static block or a static method or a constructor
2273 // need to check if it can be invoked inside some static block
2274 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2275 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
2276 if(!md.isInvokedByStatic()) {
2277 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2279 // is a static block or is invoked in some static block
2280 ClassDescriptor cd = fm.getMethod().getClassDesc();
2282 // the same class, do nothing
2283 } else if(mgcstaticinit) {
2284 // generate static init check code if it has not done static init in main()
2285 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2286 // need to check if the class' static fields have been initialized and/or
2287 // its static blocks have been executed
2288 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2289 if(cn.getNumStaticBlocks() != 0) {
2290 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2291 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2293 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2295 output.println("}");
2299 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2300 // call MonitorEnter/MonitorExit on a class obj
2301 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2302 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(global_defs_p->"
2303 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
2307 output.println("{");
2308 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2309 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2310 output.print(objectparams.numPointers());
2311 output.print(", "+localsprefixaddr);
2312 if (md.getThis()!=null) {
2314 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2316 if (fc.getThis()!=null&&md.getThis()==null) {
2317 System.out.println("WARNING!!!!!!!!!!!!");
2318 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2322 for(int i=0; i<fc.numArgs(); i++) {
2323 Descriptor var=md.getParameter(i);
2324 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2325 if (objectparams.isParamPtr(paramtemp)) {
2326 TempDescriptor targ=fc.getArg(i);
2328 TypeDescriptor td=md.getParamType(i);
2330 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2332 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2335 output.println("};");
2340 if (fc.getReturnTemp()!=null)
2341 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2343 /* Do we need to do virtual dispatch? */
2344 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
2346 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2350 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2351 output.print("int ");
2352 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2353 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2355 output.print(md.getReturnType().getSafeSymbol()+" ");
2356 output.print("(*)(");
2358 boolean printcomma=false;
2359 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2360 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2364 for(int i=0; i<objectparams.numPrimitives(); i++) {
2365 TempDescriptor temp=objectparams.getPrimitive(i);
2369 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2370 output.print("int ");
2371 } else if (temp.getType().isClass()||temp.getType().isArray())
2372 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2374 output.print(temp.getType().getSafeSymbol());
2378 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2382 boolean needcomma=false;
2383 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2384 output.print("&__parameterlist__");
2388 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2389 if (fc.getThis()!=null) {
2390 TypeDescriptor ptd=null;
2391 if(md.getThis() != null) {
2392 ptd = md.getThis().getType();
2394 ptd = fc.getThis().getType();
2398 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2400 } else if (ptd.isClass()&&!ptd.isArray())
2401 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2402 output.print(generateTemp(fm,fc.getThis()));
2407 for(int i=0; i<fc.numArgs(); i++) {
2408 Descriptor var=md.getParameter(i);
2409 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2410 if (objectparams.isParamPrim(paramtemp)) {
2411 TempDescriptor targ=fc.getArg(i);
2415 TypeDescriptor ptd=md.getParamType(i);
2416 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2418 } else if (ptd.isClass()&&!ptd.isArray())
2419 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2420 output.print(generateTemp(fm, targ));
2424 output.println(");");
2425 output.println(" }");
2428 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2429 Set subclasses=typeutil.getSubClasses(thiscd);
2430 if (subclasses==null)
2432 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2433 ClassDescriptor cd=(ClassDescriptor)classit.next();
2434 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2435 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2436 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2437 if (md.matches(matchmd))
2444 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2445 if(ffn.getField().isStatic()/* || ffn.getField().isVolatile()*/) {
2447 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()/* && mgcstaticinit*/)) {
2448 // is a static block or is invoked in some static block
2449 ClassDescriptor cd = fm.getMethod().getClassDesc();
2450 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2452 // the same class, do nothing
2453 } else if(mgcstaticinit) {
2454 // generate the static init check code if has not done the static init in main()
2455 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2456 // need to check if the class' static fields have been initialized and/or
2457 // its static blocks have been executed
2458 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2459 if(cn.getNumStaticBlocks() != 0) {
2460 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2461 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2463 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2465 output.println("}");
2469 // redirect to the global_defs_p structure
2470 if((ffn.getField().isStatic()) || (ffn.getSrc().getType().isClassNameRef())) {
2471 // reference to the static field with Class name
2472 if (ffn.getField().getType().isPtr())
2473 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2475 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2477 output.println(generateTemp(fm, ffn.getDst())+"=*"+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2479 } else if (ffn.getField().isEnum()) {
2480 // an Enum value, directly replace the field access as int
2481 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2483 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2488 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2489 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2490 throw new Error("Can't set array length");
2491 if (state.FASTCHECK) {
2492 String dst=generateTemp(fm, fsfn.getDst());
2493 output.println("if(!"+dst+"->"+localcopystr+") {");
2494 /* Link object into list */
2495 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2496 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2498 output.println("COPY_OBJ("+dst+");");
2499 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2500 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2501 output.println("}");
2504 if(fsfn.getField().isStatic()) {
2506 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()/* && mgcstaticinit*/)) {
2507 // is a static block or is invoked in some static block
2508 ClassDescriptor cd = fm.getMethod().getClassDesc();
2509 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2511 // the same class, do nothing
2512 } else if(mgcstaticinit){
2513 // generate static init check code if has not done the static init in main()
2514 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2515 // need to check if the class' static fields have been initialized and/or
2516 // its static blocks have been executed
2517 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2518 if(cn.getNumStaticBlocks() != 0) {
2519 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2520 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2522 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2524 output.println("}");
2528 // redirect to the global_defs_p structure
2529 if((fsfn.getDst().getType().isClassNameRef()) || (fsfn.getField().isStatic()) /*|| (fsfn.getField().isVolatile())*/) {
2530 // reference to the static field with Class name
2531 if (fsfn.getField().getType().isPtr())
2532 output.println("global_defs_p->" +
2533 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2535 output.println("global_defsprim_p->" +
2536 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2538 output.println("*"+generateTemp(fm, fsfn.getDst())+"->"+
2539 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2542 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2543 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2548 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2549 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2552 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2554 } else if (elementtype.isArray()||elementtype.isClass())
2557 type=elementtype.getSafeSymbol()+" ";
2559 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2560 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2561 output.println("failedboundschk();");
2563 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2566 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2567 //TODO: need dynamic check to make sure this assignment is actually legal
2568 //Because Object[] could actually be something more specific...ie. Integer[]
2570 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2573 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2575 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2578 type=elementtype.getSafeSymbol()+" ";
2580 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2581 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2582 output.println("failedboundschk();");
2584 if (state.FASTCHECK) {
2585 String dst=generateTemp(fm, fsen.getDst());
2586 output.println("if(!"+dst+"->"+localcopystr+") {");
2587 /* Link object into list */
2588 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2589 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2591 output.println("COPY_OBJ("+dst+");");
2592 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2593 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2594 output.println("}");
2596 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2600 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2601 if (fn.getType().isArray()) {
2602 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2603 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2604 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2606 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2609 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2610 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2612 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2615 if (state.FASTCHECK) {
2616 String dst=generateTemp(fm,fn.getDst());
2617 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2618 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2619 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2623 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2624 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2625 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2627 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2631 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2632 if (fon.getRight()!=null) {
2633 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2634 if (fon.getLeft().getType().isLong())
2635 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2637 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2640 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2641 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2642 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2643 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2644 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2645 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2646 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2647 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2648 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2649 else if (fon.getOp().getOp()==Operation.COMP)
2650 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2651 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2652 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2654 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2657 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2658 /* TODO: Do type check here */
2659 if (fcn.getType().isArray()) {
2660 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2661 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2662 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2663 } else if (fcn.getType().isClass())
2664 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2666 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2669 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2670 if (fln.getValue()==null)
2671 output.println(generateTemp(fm, fln.getDst())+"=0;");
2672 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2673 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2674 output.println(generateTemp(fm, fln.getDst())+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2676 output.println(generateTemp(fm, fln.getDst())+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2678 } else if (fln.getType().isBoolean()) {
2679 if (((Boolean)fln.getValue()).booleanValue())
2680 output.println(generateTemp(fm, fln.getDst())+"=1;");
2682 output.println(generateTemp(fm, fln.getDst())+"=0;");
2683 } else if (fln.getType().isChar()) {
2684 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2685 output.println(generateTemp(fm, fln.getDst())+"='"+st+"';");
2686 } else if (fln.getType().isLong()) {
2687 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2689 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2692 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2693 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2694 // a static block, check if it has been executed
2695 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2699 if (frn.getReturnTemp()!=null) {
2700 if (frn.getReturnTemp().getType().isPtr())
2701 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2703 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2705 output.println("return;");
2709 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2710 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2713 /** This method generates header information for the method or
2714 * task referenced by the Descriptor des. */
2715 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2716 generateHeader(fm, des, output, false);
2719 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2721 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2722 MethodDescriptor md=null;
2723 TaskDescriptor task=null;
2724 if (des instanceof MethodDescriptor)
2725 md=(MethodDescriptor) des;
2727 task=(TaskDescriptor) des;
2728 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2730 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2732 if (md!=null&&md.getReturnType()!=null) {
2733 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2734 output.print("int ");
2735 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2736 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2738 output.print(md.getReturnType().getSafeSymbol()+" ");
2740 //catch the constructor case
2741 output.print("void ");
2744 mdstring += "staticinit";
2746 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2748 output.print(task.getSafeSymbol()+"(");
2750 boolean printcomma=false;
2751 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2753 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2755 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2761 for(int i=0; i<objectparams.numPrimitives(); i++) {
2762 TempDescriptor temp=objectparams.getPrimitive(i);
2766 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2767 output.print("int " + temp.getSafeSymbol());
2768 } else if (temp.getType().isClass()||temp.getType().isArray())
2769 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2771 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2773 output.println(") {");
2774 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2775 /* Imprecise Task */
2776 output.println("void * parameterarray[]) {");
2777 /* Unpack variables */
2778 for(int i=0; i<objectparams.numPrimitives(); i++) {
2779 TempDescriptor temp=objectparams.getPrimitive(i);
2780 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2781 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2783 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2786 for(int i=0; i<fm.numTags(); i++) {
2787 TempDescriptor temp=fm.getTag(i);
2788 int offset=i+objectparams.numPrimitives();
2789 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2792 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2793 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2794 } else output.println(") {");
2797 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
2798 output.println("/* FlatFlagActionNode */");
2801 /* Process tag changes */
2802 Relation tagsettable=new Relation();
2803 Relation tagcleartable=new Relation();
2805 Iterator tagsit=ffan.getTempTagPairs();
2806 while (tagsit.hasNext()) {
2807 TempTagPair ttp=(TempTagPair) tagsit.next();
2808 TempDescriptor objtmp=ttp.getTemp();
2809 TagDescriptor tag=ttp.getTag();
2810 TempDescriptor tagtmp=ttp.getTagTemp();
2811 boolean tagstatus=ffan.getTagChange(ttp);
2813 tagsettable.put(objtmp, tagtmp);
2815 tagcleartable.put(objtmp, tagtmp);
2820 Hashtable flagandtable=new Hashtable();
2821 Hashtable flagortable=new Hashtable();
2823 /* Process flag changes */
2824 Iterator flagsit=ffan.getTempFlagPairs();
2825 while(flagsit.hasNext()) {
2826 TempFlagPair tfp=(TempFlagPair)flagsit.next();
2827 TempDescriptor temp=tfp.getTemp();
2828 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2829 FlagDescriptor flag=tfp.getFlag();
2831 //Newly allocate objects that don't set any flags case
2832 if (flagortable.containsKey(temp)) {
2836 flagortable.put(temp,new Integer(mask));
2838 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2839 boolean flagstatus=ffan.getFlagChange(tfp);
2842 if (flagortable.containsKey(temp)) {
2843 mask=((Integer)flagortable.get(temp)).intValue();
2846 flagortable.put(temp,new Integer(mask));
2848 int mask=0xFFFFFFFF;
2849 if (flagandtable.containsKey(temp)) {
2850 mask=((Integer)flagandtable.get(temp)).intValue();
2852 mask&=(0xFFFFFFFF^flagid);
2853 flagandtable.put(temp,new Integer(mask));
2859 HashSet flagtagset=new HashSet();
2860 flagtagset.addAll(flagortable.keySet());
2861 flagtagset.addAll(flagandtable.keySet());
2862 flagtagset.addAll(tagsettable.keySet());
2863 flagtagset.addAll(tagcleartable.keySet());
2865 Iterator ftit=flagtagset.iterator();
2866 while(ftit.hasNext()) {
2867 TempDescriptor temp=(TempDescriptor)ftit.next();
2870 Set tagtmps=tagcleartable.get(temp);
2871 if (tagtmps!=null) {
2872 Iterator tagit=tagtmps.iterator();
2873 while(tagit.hasNext()) {
2874 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2875 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
2876 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
2878 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
2882 tagtmps=tagsettable.get(temp);
2883 if (tagtmps!=null) {
2884 Iterator tagit=tagtmps.iterator();
2885 while(tagit.hasNext()) {
2886 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2887 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
2888 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
2890 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
2895 int andmask=0xFFFFFFF;
2897 if (flagortable.containsKey(temp))
2898 ormask=((Integer)flagortable.get(temp)).intValue();
2899 if (flagandtable.containsKey(temp))
2900 andmask=((Integer)flagandtable.get(temp)).intValue();
2901 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
2902 generateObjectDistribute(ffan, fm, temp, output);
2906 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
2907 PrintWriter output, int ormask, int andmask) {
2908 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2909 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2911 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2915 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
2916 output.println("enqueueObject("+generateTemp(fm, temp)+");");
2919 void generateOptionalHeader(PrintWriter headers) {
2922 headers.println("#include \"task.h\"\n\n");
2923 headers.println("#ifndef _OPTIONAL_STRUCT_");
2924 headers.println("#define _OPTIONAL_STRUCT_");
2926 //STRUCT PREDICATEMEMBER
2927 headers.println("struct predicatemember{");
2928 headers.println("int type;");
2929 headers.println("int numdnfterms;");
2930 headers.println("int * flags;");
2931 headers.println("int numtags;");
2932 headers.println("int * tags;\n};\n\n");
2934 //STRUCT OPTIONALTASKDESCRIPTOR
2935 headers.println("struct optionaltaskdescriptor{");
2936 headers.println("struct taskdescriptor * task;");
2937 headers.println("int index;");
2938 headers.println("int numenterflags;");
2939 headers.println("int * enterflags;");
2940 headers.println("int numpredicatemembers;");
2941 headers.println("struct predicatemember ** predicatememberarray;");
2942 headers.println("};\n\n");
2944 //STRUCT TASKFAILURE
2945 headers.println("struct taskfailure {");
2946 headers.println("struct taskdescriptor * task;");
2947 headers.println("int index;");
2948 headers.println("int numoptionaltaskdescriptors;");
2949 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2951 //STRUCT FSANALYSISWRAPPER
2952 headers.println("struct fsanalysiswrapper{");
2953 headers.println("int flags;");
2954 headers.println("int numtags;");
2955 headers.println("int * tags;");
2956 headers.println("int numtaskfailures;");
2957 headers.println("struct taskfailure ** taskfailurearray;");
2958 headers.println("int numoptionaltaskdescriptors;");
2959 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2961 //STRUCT CLASSANALYSISWRAPPER
2962 headers.println("struct classanalysiswrapper{");
2963 headers.println("int type;");
2964 headers.println("int numotd;");
2965 headers.println("struct optionaltaskdescriptor ** otdarray;");
2966 headers.println("int numfsanalysiswrappers;");
2967 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2969 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2971 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2972 while(taskit.hasNext()) {
2973 TaskDescriptor td=(TaskDescriptor)taskit.next();
2974 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2979 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2980 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2981 int predicateindex = 0;
2982 //iterate through the classes concerned by the predicate
2983 Set c_vard = predicate.vardescriptors;
2984 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2987 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
2988 VarDescriptor vard = (VarDescriptor)vard_it.next();
2989 TypeDescriptor typed = vard.getType();
2991 //generate for flags
2992 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2993 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2995 if (fen_hashset!=null) {
2996 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
2997 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2999 DNFFlag dflag=fen.getDNF();
3000 numberterms+=dflag.size();
3002 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3004 for(int j=0; j<dflag.size(); j++) {
3006 output.println(",");
3007 Vector term=dflag.get(j);
3010 for(int k=0; k<term.size(); k++) {
3011 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3012 FlagDescriptor fd=dfa.getFlag();
3013 boolean negated=dfa.getNegated();
3014 int flagid=1<<((Integer)flags.get(fd)).intValue();
3019 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3024 output.println("};\n");
3027 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3028 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3031 for(int j=0; j<tagel.numTags(); j++) {
3033 output.println(",");
3034 TempDescriptor tmp=tagel.getTemp(j);
3035 if (!slotnumber.containsKey(tmp)) {
3036 Integer slotint=new Integer(current_slot++);
3037 slotnumber.put(tmp,slotint);
3039 int slot=slotnumber.get(tmp).intValue();
3040 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3042 numtags = tagel.numTags();
3044 output.println("};");
3046 //store the result into a predicatemember struct
3047 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3048 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3049 output.println("/* number of dnf terms */"+numberterms+",");
3050 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3051 output.println("/* number of tag */"+numtags+",");
3052 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3053 output.println("};\n");
3058 //generate an array that stores the entire predicate
3059 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3060 for( int j = 0; j<predicateindex; j++) {
3061 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3062 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3064 output.println("};\n");
3065 return predicateindex;
3069 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3070 generateOptionalHeader(headers);
3072 output.println("#include \"optionalstruct.h\"\n\n");
3073 output.println("#include \"stdlib.h\"\n");
3075 HashSet processedcd = new HashSet();
3077 Enumeration e = safeexecution.keys();
3078 while (e.hasMoreElements()) {
3081 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3082 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3084 //Generate the struct of optionals
3085 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3086 numotd = c_otd.size();
3087 if(maxotd<numotd) maxotd = numotd;
3088 if( !c_otd.isEmpty() ) {
3089 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3090 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3092 //generate the int arrays for the predicate
3093 Predicate predicate = otd.predicate;
3094 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3095 TreeSet<Integer> fsset=new TreeSet<Integer>();
3096 //iterate through possible FSes corresponding to
3097 //the state when entering
3099 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3100 FlagState fs = (FlagState)fses.next();
3102 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3103 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3104 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3107 fsset.add(new Integer(flagid));
3108 //tag information not needed because tag
3109 //changes are not tolerated.
3112 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3113 boolean needcomma=false;
3114 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3117 output.println(it.next());
3120 output.println("};\n");
3123 //generate optionaltaskdescriptor that actually
3124 //includes exit fses, predicate and the task
3126 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3127 output.println("&task_"+otd.td.getSafeSymbol()+",");
3128 output.println("/*index*/"+otd.getIndex()+",");
3129 output.println("/*number of enter flags*/"+fsset.size()+",");
3130 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3131 output.println("/*number of members */"+predicateindex+",");
3132 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3133 output.println("};\n");
3137 // if there are no optionals, there is no need to build the rest of the struct
3139 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3140 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3141 if( !c_otd.isEmpty() ) {
3142 boolean needcomma=false;
3143 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3144 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3146 output.println(",");
3148 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3151 output.println("};\n");
3153 //get all the possible flagstates reachable by an object
3154 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3156 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3157 fsts.addAll(hashtbtemp.keySet());
3158 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3159 FlagState fs = (FlagState)fsit.next();
3162 //get the set of OptionalTaskDescriptors corresponding
3163 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3164 //iterate through the OptionalTaskDescriptors and
3165 //store the pointers to the optionals struct (see on
3166 //top) into an array
3168 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3169 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3170 OptionalTaskDescriptor mm = mos.next();
3172 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3174 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3177 output.println("};\n");
3179 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3182 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3183 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3184 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3188 //process tag information
3191 boolean first = true;
3192 Enumeration tag_enum = fs.getTags();
3193 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3194 while(tag_enum.hasMoreElements()) {
3196 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3200 output.println(", ");
3201 output.println("/*tagid*/"+state.getTagId(tagd));
3203 output.println("};");
3205 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3206 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3207 TaskIndex ti=itti.next();
3211 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3213 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3214 boolean needcomma=false;
3215 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3216 OptionalTaskDescriptor otd=otdit.next();
3220 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3222 output.println("};");
3224 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3225 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3226 output.print(ti.getIndex()+", ");
3227 output.print(otdset.size()+", ");
3228 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3229 output.println("};");
3232 tiset=sa.getTaskIndex(fs);
3233 boolean needcomma=false;
3235 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3236 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3237 TaskIndex ti=itti.next();
3238 if (ti.isRuntime()) {
3245 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3247 output.println("};\n");
3249 //Store the result in fsanalysiswrapper
3251 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3252 output.println("/*flag*/"+flagid+",");
3253 output.println("/* number of tags*/"+tagcounter+",");
3254 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3255 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3256 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3257 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3258 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3259 output.println("};\n");
3263 //Build the array of fsanalysiswrappers
3264 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3265 boolean needcomma=false;
3266 for(int i = 0; i<fscounter; i++) {
3267 if (needcomma) output.print(",");
3268 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3271 output.println("};");
3273 //Build the classanalysiswrapper referring to the previous array
3274 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3275 output.println("/*type*/"+cdtemp.getId()+",");
3276 output.println("/*numotd*/"+numotd+",");
3277 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3278 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3279 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3280 processedcd.add(cdtemp);
3283 //build an array containing every classes for which code has been build
3284 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3285 for(int i=0; i<state.numClasses(); i++) {
3286 ClassDescriptor cn=cdarray[i];
3289 if ((cn != null) && (processedcd.contains(cn)))
3290 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3292 output.print("NULL");
3294 output.println("};");
3296 output.println("#define MAXOTD "+maxotd);
3297 headers.println("#endif");
3300 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3301 Relation r=new Relation();
3302 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3303 OptionalTaskDescriptor otd=otdit.next();
3304 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3308 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3309 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3310 Set s=r.get(it.next());
3311 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3312 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3320 // override these methods in a subclass of BuildCode
3321 // to generate code for additional systems
3322 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3324 protected void outputTransCode(PrintWriter output) {
3326 protected void buildCodeSetup() {
3328 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3330 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3332 protected void preCodeGenInitialization() {
3334 protected void postCodeGenCleanUp() {
3336 protected void additionalCodeGen(PrintWriter outmethodheader,
3337 PrintWriter outstructs,
3338 PrintWriter outmethod) {
3340 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3342 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3344 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3346 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3348 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3350 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3352 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3354 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3356 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {