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 ClassDescriptor[] ifarray;
49 TypeDescriptor[] arraytable;
52 Hashtable<String, ClassDescriptor> printedfieldstbl;
53 int globaldefscount=0;
54 boolean mgcstaticinit = false;
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
59 this(st, temptovar, typeutil, null);
62 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa) {
65 State.logEvent("Start CallGraph");
66 callgraph=new CallGraph(state);
67 State.logEvent("Finish CallGraph");
68 this.temptovar=temptovar;
69 paramstable=new Hashtable();
70 tempstable=new Hashtable();
71 fieldorder=new Hashtable();
72 flagorder=new Hashtable();
73 this.typeutil=typeutil;
74 State.logEvent("CheckMethods");
76 State.logEvent("Virtual");
77 virtualcalls=new Virtual(state, null);
78 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
81 /** The buildCode method outputs C code for all the methods. The Flat
82 * versions of the methods must already be generated and stored in
83 * the State object. */
86 public void buildCode() {
87 /* Create output streams to write to */
88 PrintWriter outclassdefs=null;
89 PrintWriter outstructs=null;
90 PrintWriter outrepairstructs=null;
91 PrintWriter outmethodheader=null;
92 PrintWriter outmethod=null;
93 PrintWriter outvirtual=null;
94 PrintWriter outtask=null;
95 PrintWriter outtaskdefs=null;
96 PrintWriter outoptionalarrays=null;
97 PrintWriter optionalheaders=null;
98 PrintWriter outglobaldefs=null;
99 PrintWriter outglobaldefsprim=null;
100 State.logEvent("Beginning of buildCode");
103 buildCodeSetup(); //EXTENSION POINT
104 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
105 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
106 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
107 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
108 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
109 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
110 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
112 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
113 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
114 if (state.OPTIONAL) {
115 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
116 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
119 if (state.structfile!=null) {
120 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
122 } catch (Exception e) {
127 /* Fix field safe symbols due to shadowing */
128 FieldShadow.handleFieldShadow(state);
130 /* Build the virtual dispatch tables */
131 buildVirtualTables(outvirtual);
133 /* Tag the methods that are invoked by static blocks */
134 tagMethodInvokedByStaticBlock();
136 /* Output includes */
137 outmethodheader.println("#ifndef METHODHEADERS_H");
138 outmethodheader.println("#define METHODHEADERS_H");
139 outmethodheader.println("#include \"structdefs.h\"");
141 if (state.EVENTMONITOR) {
142 outmethodheader.println("#include \"monitor.h\"");
145 additionalIncludesMethodsHeader(outmethodheader);
147 /* Output Structures */
148 outputStructs(outstructs);
150 // Output the C class declarations
151 // These could mutually reference each other
153 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
154 outglobaldefs.println("#define __GLOBALDEF_H_");
155 outglobaldefs.println("");
156 outglobaldefs.println("struct global_defs_t {");
157 outglobaldefs.println(" int size;");
158 outglobaldefs.println(" void * next;");
159 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
160 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
161 outglobaldefsprim.println("");
162 outglobaldefsprim.println("struct global_defsprim_t {");
164 outclassdefs.println("#ifndef __CLASSDEF_H_");
165 outclassdefs.println("#define __CLASSDEF_H_");
166 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
168 // Output function prototypes and structures for parameters
169 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
170 while(it.hasNext()) {
171 ClassDescriptor cn=(ClassDescriptor)it.next();
172 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
174 outclassdefs.println("#include \"globaldefs.h\"");
175 outclassdefs.println("#include \"globaldefsprim.h\"");
176 outclassdefs.println("#endif");
177 outclassdefs.close();
179 outglobaldefs.println("};");
180 outglobaldefs.println("");
181 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
182 outglobaldefs.println("#endif");
183 outglobaldefs.flush();
184 outglobaldefs.close();
186 outglobaldefsprim.println("};");
187 outglobaldefsprim.println("");
188 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
189 outglobaldefsprim.println("#endif");
190 outglobaldefsprim.flush();
191 outglobaldefsprim.close();
194 /* Map flags to integers */
195 /* The runtime keeps track of flags using these integers */
196 it=state.getClassSymbolTable().getDescriptorsIterator();
197 while(it.hasNext()) {
198 ClassDescriptor cn=(ClassDescriptor)it.next();
202 generateTaskStructs(outstructs, outmethodheader);
204 /* Outputs generic task structures if this is a task
206 outputTaskTypes(outtask);
210 // an opportunity for subclasses to do extra
212 preCodeGenInitialization();
214 State.logEvent("Start outputMethods");
215 /* Build the actual methods */
216 outputMethods(outmethod);
217 State.logEvent("End outputMethods");
219 // opportunity for subclasses to gen extra code
220 additionalCodeGen(outmethodheader,
226 /* Output code for tasks */
227 outputTaskCode(outtaskdefs, outmethod);
229 /* Record maximum number of task parameters */
230 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
231 } else if (state.main!=null) {
232 /* Generate main method */
233 outputMainMethod(outmethod);
236 /* Generate information for task with optional parameters */
237 if (state.TASK&&state.OPTIONAL) {
238 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
239 outoptionalarrays.close();
242 /* Output structure definitions for repair tool */
243 if (state.structfile!=null) {
244 buildRepairStructs(outrepairstructs);
245 outrepairstructs.close();
249 outmethodheader.println("#endif");
250 outmethodheader.close();
252 outstructs.println("#endif");
257 postCodeGenCleanUp();
258 State.logEvent("End of buildCode");
261 /* This method goes though the call graph and check which methods are really
262 * invoked and should be generated
264 protected void checkMethods2Gen() {
265 MethodDescriptor md=(state.main==null)?null:typeutil.getMain();
268 // check the methods to be generated
269 state.setGenAllMethods(false);
271 // generate all methods
274 this.state.addMethod2gen(md);
276 Iterator it_classes = this.state.getClassSymbolTable().getDescriptorsIterator();
277 while(it_classes.hasNext()) {
278 ClassDescriptor cd = (ClassDescriptor)it_classes.next();
279 Iterator it_methods = cd.getMethodTable().getDescriptorsIterator();
280 while(it_methods.hasNext()) {
281 md = (MethodDescriptor)it_methods.next();
282 if(md.isStaticBlock() || md.getModifiers().isNative() || this.callgraph.getCallerSet(md).size() > 0
283 || (cd.getSymbol().equals("Thread") && md.getSymbol().equals("staticStart"))) {
284 this.state.addMethod2gen(md);
291 /* This method goes though the call graph and tag those methods that are
292 * invoked inside static blocks
294 protected void tagMethodInvokedByStaticBlock() {
295 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
296 MethodDescriptor current_md=null;
297 HashSet tovisit=new HashSet();
298 HashSet visited=new HashSet();
300 while(it_sclasses.hasNext()) {
301 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
302 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
308 while(!tovisit.isEmpty()) {
309 current_md=(MethodDescriptor)tovisit.iterator().next();
310 tovisit.remove(current_md);
311 visited.add(current_md);
312 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
313 while(it_callee.hasNext()) {
314 Descriptor d = (Descriptor)it_callee.next();
315 if(d instanceof MethodDescriptor) {
316 if(!visited.contains(d)) {
317 ((MethodDescriptor)d).setIsInvokedByStatic(true);
325 /* This code generates code for each static block and static field
327 protected void outputStaticBlocks(PrintWriter outmethod) {
328 // execute all the static blocks and all the static field initializations
329 // execute all the static blocks and all the static field initializations
330 SymbolTable sctbl = this.state.getSClassSymbolTable();
331 Iterator it_sclasses = sctbl.getDescriptorsIterator();
332 if(it_sclasses.hasNext()) {
333 while(it_sclasses.hasNext()) {
334 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
335 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
337 outmethod.println(" {");
338 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
339 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
340 outmethod.println("0, NULL};");
341 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
343 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
345 outmethod.println(" }");
351 /* This code generates code to create a Class object for each class for
354 protected void outputClassObjects(PrintWriter outmethod) {
355 // for each class, initialize its Class object
356 SymbolTable ctbl = this.state.getClassSymbolTable();
357 for(Iterator it_classes = ctbl.getDescriptorsIterator();it_classes.hasNext();) {
358 ClassDescriptor t_cd = (ClassDescriptor)it_classes.next();
359 outmethod.println(" {");
360 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
361 outmethod.println(" struct garbagelist dummy={0,NULL};");
362 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new(&dummy, " + typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
364 outmethod.println(" global_defs_p->"+t_cd.getSafeSymbol()+"classobj = allocate_new("+typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
365 outmethod.println(" }");
369 /* This code just generates the main C method for java programs.
370 * The main C method packs up the arguments into a string array
371 * and passes it to the java main method. */
373 protected void outputMainMethod(PrintWriter outmethod) {
374 outmethod.println("int main(int argc, const char *argv[]) {");
375 outmethod.println(" int i;");
376 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
377 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
378 if (GENERATEPRECISEGC) {
379 outmethod.println(" global_defs_p->size="+globaldefscount+";");
380 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
381 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
382 outmethod.println(" }");
384 outputStaticBlocks(outmethod);
385 outputClassObjects(outmethod);
388 additionalCodeAtTopOfMain(outmethod);
391 outmethod.println("initializethreads();");
394 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
395 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
397 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
399 outmethod.println(" for(i=1;i<argc;i++) {");
400 outmethod.println(" int length=strlen(argv[i]);");
402 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
403 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
405 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
407 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
408 outmethod.println(" }");
410 MethodDescriptor md=typeutil.getMain();
411 ClassDescriptor cd=typeutil.getMainClass();
413 outmethod.println(" {");
414 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
415 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
416 outmethod.println("1, NULL,"+"stringarray};");
417 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
419 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
421 outmethod.println(" }");
424 outmethod.println("pthread_mutex_lock(&gclistlock);");
425 outmethod.println("threadcount--;");
426 outmethod.println("pthread_cond_signal(&gccond);");
427 outmethod.println("pthread_mutex_unlock(&gclistlock);");
430 if (state.EVENTMONITOR) {
431 outmethod.println("dumpdata();");
435 outmethod.println("pthread_exit(NULL);");
438 additionalCodeAtBottomOfMain(outmethod);
440 outmethod.println("}");
443 /* This method outputs code for each task. */
445 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
446 /* Compile task based program */
447 outtaskdefs.println("#include \"task.h\"");
448 outtaskdefs.println("#include \"methodheaders.h\"");
449 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
450 while(taskit.hasNext()) {
451 TaskDescriptor td=(TaskDescriptor)taskit.next();
452 FlatMethod fm=state.getMethodFlat(td);
453 generateFlatMethod(fm, outmethod);
454 generateTaskDescriptor(outtaskdefs, fm, td);
457 //Output task descriptors
458 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
459 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
461 while(taskit.hasNext()) {
462 TaskDescriptor td=(TaskDescriptor)taskit.next();
466 outtaskdefs.println(",");
467 outtaskdefs.print("&task_"+td.getSafeSymbol());
469 outtaskdefs.println("};");
471 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
475 /* This method outputs most of the methods.c file. This includes
476 * some standard includes and then an array with the sizes of
477 * objets and array that stores supertype and then the code for
478 * the Java methods.. */
479 protected void outputMethods(PrintWriter outmethod) {
480 outmethod.println("#include \"methodheaders.h\"");
481 outmethod.println("#include \"virtualtable.h\"");
482 outmethod.println("#include \"runtime.h\"");
484 // always include: compiler directives will leave out
485 // instrumentation when option is not set
486 if(!state.MULTICORE) {
487 outmethod.println("#include \"coreprof/coreprof.h\"");
490 if (state.FASTCHECK) {
491 outmethod.println("#include \"localobjects.h\"");
493 if(state.MULTICORE) {
495 outmethod.println("#include \"task.h\"");
497 outmethod.println("#include \"multicoreruntime.h\"");
498 outmethod.println("#include \"runtime_arch.h\"");
500 if (state.THREAD||state.DSM||state.SINGLETM) {
501 outmethod.println("#include <thread.h>");
504 outmethod.println("#include \"thread.h\"");
506 if (state.main!=null) {
507 outmethod.println("#include <string.h>");
509 if (state.CONSCHECK) {
510 outmethod.println("#include \"checkers.h\"");
514 additionalIncludesMethodsImplementation(outmethod);
516 outmethod.println("struct global_defs_t * global_defs_p;");
517 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
518 //Store the sizes of classes & array elements
519 generateSizeArray(outmethod);
521 //Store table of supertypes
522 generateSuperTypeTable(outmethod);
524 //Store the layout of classes
525 generateLayoutStructs(outmethod);
528 additionalCodeAtTopMethodsImplementation(outmethod);
530 generateMethods(outmethod);
533 protected void generateMethods(PrintWriter outmethod) {
534 /* Generate code for methods */
535 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
536 while(classit.hasNext()) {
537 ClassDescriptor cn=(ClassDescriptor)classit.next();
538 Iterator methodit=cn.getMethods();
539 while(methodit.hasNext()) {
540 /* Classify parameters */
541 MethodDescriptor md=(MethodDescriptor)methodit.next();
542 if(!this.state.genAllMethods) {
543 boolean foundmatch = false;
544 Set vec_md = this.state.getMethod2gen().getSet(md.getSymbol());
545 for(Iterator matchit=vec_md.iterator(); matchit.hasNext();) {
546 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
547 if (md.matches(matchmd)) {
556 FlatMethod fm=state.getMethodFlat(md);
557 if (!md.getModifiers().isNative()) {
558 generateFlatMethod(fm, outmethod);
564 protected void outputStructs(PrintWriter outstructs) {
565 outstructs.println("#ifndef STRUCTDEFS_H");
566 outstructs.println("#define STRUCTDEFS_H");
567 outstructs.println("#include \"classdefs.h\"");
568 outstructs.println("#ifndef INTPTR");
569 outstructs.println("#ifdef BIT64");
570 outstructs.println("#define INTPTR long");
571 outstructs.println("#else");
572 outstructs.println("#define INTPTR int");
573 outstructs.println("#endif");
574 outstructs.println("#endif");
577 additionalIncludesStructsHeader(outstructs);
580 /* Output #defines that the runtime uses to determine type
581 * numbers for various objects it needs */
582 outstructs.println("#define MAXCOUNT "+maxcount);
584 outstructs.println("#define STRINGARRAYTYPE "+
585 (state.getArrayNumber(
586 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
588 outstructs.println("#define OBJECTARRAYTYPE "+
589 (state.getArrayNumber(
590 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
593 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
594 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
595 outstructs.println("#define CHARARRAYTYPE "+
596 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
598 outstructs.println("#define BYTEARRAYTYPE "+
599 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
601 outstructs.println("#define BYTEARRAYARRAYTYPE "+
602 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
604 outstructs.println("#define NUMCLASSES "+state.numClasses());
605 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
606 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
608 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
609 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
610 outstructs.println("#define TAGARRAYTYPE "+
611 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
615 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
616 if (state.THREAD||state.DSM||state.SINGLETM)
617 outclassdefs.println("#include <pthread.h>");
618 outclassdefs.println("#ifndef INTPTR");
619 outclassdefs.println("#ifdef BIT64");
620 outclassdefs.println("#define INTPTR long");
621 outclassdefs.println("#else");
622 outclassdefs.println("#define INTPTR int");
623 outclassdefs.println("#endif");
624 outclassdefs.println("#endif");
626 outclassdefs.println("#include \"optionalstruct.h\"");
627 outclassdefs.println("struct "+arraytype+";");
628 /* Start by declaring all structs */
629 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
630 while(it.hasNext()) {
631 ClassDescriptor cn=(ClassDescriptor)it.next();
632 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
634 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
635 // this class has static fields/blocks, need to add a global flag to
636 // indicate if its static fields have been initialized and/or if its
637 // static blocks have been executed
638 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
641 // for each class, create a global object
642 outglobaldefs.println(" struct ___Object___ *"+cn.getSafeSymbol()+"classobj;");
645 outclassdefs.println("");
646 //Print out definition for array type
647 outclassdefs.println("struct "+arraytype+" {");
648 outclassdefs.println(" int type;");
651 additionalClassObjectFields(outclassdefs);
654 if (state.EVENTMONITOR) {
655 outclassdefs.println(" int objuid;");
658 outclassdefs.println(" pthread_t tid;");
659 outclassdefs.println(" void * lockentry;");
660 outclassdefs.println(" int lockcount;");
663 outclassdefs.println(" int mutex;");
664 outclassdefs.println(" volatile int notifycount;");
665 outclassdefs.println(" volatile int objlock;");
666 if(state.MULTICOREGC) {
667 outclassdefs.println(" int marked;");
671 outclassdefs.println(" int flag;");
672 if(!state.MULTICORE) {
673 outclassdefs.println(" void * flagptr;");
675 outclassdefs.println(" int version;");
676 outclassdefs.println(" int * lock;"); // lock entry for this obj
677 outclassdefs.println(" int mutex;");
678 outclassdefs.println(" int lockcount;");
679 if(state.MULTICOREGC) {
680 outclassdefs.println(" int marked;");
684 outclassdefs.println(" int numfses;");
685 outclassdefs.println(" int * fses;");
689 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
690 printedfieldstbl.clear();
691 printExtraArrayFields(outclassdefs);
692 if (state.ARRAYPAD) {
693 outclassdefs.println(" int paddingforarray;");
696 outclassdefs.println(" int ___length___;");
697 outclassdefs.println("};\n");
699 outclassdefs.println("");
700 outclassdefs.println("extern int classsize[];");
701 outclassdefs.println("extern int hasflags[];");
702 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
703 outclassdefs.println("extern int* supertypes[];");
704 outclassdefs.println("");
707 /** Prints out definitions for generic task structures */
709 protected void outputTaskTypes(PrintWriter outtask) {
710 outtask.println("#ifndef _TASK_H");
711 outtask.println("#define _TASK_H");
712 outtask.println("struct parameterdescriptor {");
713 outtask.println("int type;");
714 outtask.println("int numberterms;");
715 outtask.println("int *intarray;");
716 outtask.println("void * queue;");
717 outtask.println("int numbertags;");
718 outtask.println("int *tagarray;");
719 outtask.println("};");
721 outtask.println("struct taskdescriptor {");
722 outtask.println("void * taskptr;");
723 outtask.println("int numParameters;");
724 outtask.println(" int numTotal;");
725 outtask.println("struct parameterdescriptor **descriptorarray;");
726 outtask.println("char * name;");
727 outtask.println("};");
728 outtask.println("extern struct taskdescriptor * taskarray[];");
729 outtask.println("extern numtasks;");
730 outtask.println("#endif");
734 protected void buildRepairStructs(PrintWriter outrepairstructs) {
735 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
736 while(classit.hasNext()) {
737 ClassDescriptor cn=(ClassDescriptor)classit.next();
738 outrepairstructs.println("structure "+cn.getSymbol()+" {");
739 outrepairstructs.println(" int __type__;");
741 outrepairstructs.println(" int __flag__;");
742 if(!state.MULTICORE) {
743 outrepairstructs.println(" int __flagptr__;");
746 printRepairStruct(cn, outrepairstructs);
747 outrepairstructs.println("}\n");
750 for(int i=0; i<state.numArrays(); i++) {
751 TypeDescriptor tdarray=arraytable[i];
752 TypeDescriptor tdelement=tdarray.dereference();
753 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
754 outrepairstructs.println(" int __type__;");
755 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
756 outrepairstructs.println(" int length;");
757 outrepairstructs.println("}\n");
761 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
762 ClassDescriptor sp=cn.getSuperDesc();
764 printRepairStruct(sp, output);
766 Vector fields=(Vector)fieldorder.get(cn);
768 for(int i=0; i<fields.size(); i++) {
769 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
770 if (fd.getType().isArray()) {
771 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
772 } else if (fd.getType().isClass())
773 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
774 else if (fd.getType().isFloat())
775 output.println(" int "+fd.getSymbol()+"; /* really float */");
777 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
781 /** This method outputs TaskDescriptor information */
782 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
783 for (int i=0; i<task.numParameters(); i++) {
784 VarDescriptor param_var=task.getParameter(i);
785 TypeDescriptor param_type=task.getParamType(i);
786 FlagExpressionNode param_flag=task.getFlag(param_var);
787 TagExpressionList param_tag=task.getTag(param_var);
790 if (param_flag==null) {
791 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
792 output.println("0x0, 0x0 };");
795 DNFFlag dflag=param_flag.getDNF();
796 dnfterms=dflag.size();
798 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
799 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
800 for(int j=0; j<dflag.size(); j++) {
803 Vector term=dflag.get(j);
806 for(int k=0; k<term.size(); k++) {
807 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
808 FlagDescriptor fd=dfa.getFlag();
809 boolean negated=dfa.getNegated();
810 int flagid=1<<((Integer)flags.get(fd)).intValue();
815 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
817 output.println("};");
820 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
822 for(int j=0; j<param_tag.numTags(); j++) {
825 /* for each tag we need */
826 /* which slot it is */
827 /* what type it is */
828 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
829 TempDescriptor tmp=param_tag.getTemp(j);
830 int slot=fm.getTagInt(tmp);
831 output.println(slot+", "+state.getTagId(tvd.getTag()));
833 output.println("};");
835 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
836 output.println("/* type */"+param_type.getClassDesc().getId()+",");
837 output.println("/* number of DNF terms */"+dnfterms+",");
838 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
839 output.println("0,");
841 output.println("/* number of tags */"+param_tag.numTags()+",");
843 output.println("/* number of tags */ 0,");
844 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
845 output.println("};");
849 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
850 for (int i=0; i<task.numParameters(); i++) {
853 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
855 output.println("};");
857 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
858 output.println("&"+task.getSafeSymbol()+",");
859 output.println("/* number of parameters */" +task.numParameters() + ",");
860 int numtotal=task.numParameters()+fm.numTags();
861 output.println("/* number total parameters */" +numtotal + ",");
862 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
863 output.println("\""+task.getSymbol()+"\"");
864 output.println("};");
868 /** The buildVirtualTables method outputs the virtual dispatch
869 * tables for methods. */
871 protected void buildVirtualTables(PrintWriter outvirtual) {
872 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
873 while(classit.hasNext()) {
874 ClassDescriptor cd=(ClassDescriptor)classit.next();
875 if (virtualcalls.getMethodCount(cd)>maxcount)
876 maxcount=virtualcalls.getMethodCount(cd);
878 MethodDescriptor[][] virtualtable=null;
879 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
881 /* Fill in virtual table */
882 classit=state.getClassSymbolTable().getDescriptorsIterator();
883 while(classit.hasNext()) {
884 ClassDescriptor cd=(ClassDescriptor)classit.next();
885 if(cd.isInterface()) {
888 fillinRow(cd, virtualtable, cd.getId());
891 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
892 Iterator arrayit=state.getArrayIterator();
893 while(arrayit.hasNext()) {
894 TypeDescriptor td=(TypeDescriptor)arrayit.next();
895 int id=state.getArrayNumber(td);
896 fillinRow(objectcd, virtualtable, id+state.numClasses());
899 outvirtual.print("void * virtualtable[]={");
900 boolean needcomma=false;
901 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
902 for(int j=0; j<maxcount; j++) {
904 outvirtual.print(", ");
905 if (virtualtable[i][j]!=null) {
906 MethodDescriptor md=virtualtable[i][j];
907 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
909 outvirtual.print("0");
913 outvirtual.println("");
915 outvirtual.println("};");
919 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
920 /* Get inherited methods */
921 Iterator it_sifs = cd.getSuperInterfaces();
922 while(it_sifs.hasNext()) {
923 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
924 fillinRow(superif, virtualtable, rownum);
926 if (cd.getSuperDesc()!=null)
927 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
928 /* Override them with our methods */
929 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
930 MethodDescriptor md=(MethodDescriptor)it.next();
931 if (md.isStatic()||md.getReturnType()==null)
933 boolean foundmatch = false;
934 if(this.state.genAllMethods) {
937 Set vec_md = this.state.getMethod2gen().getSet(md.getSymbol());
938 for(Iterator matchit=vec_md.iterator(); matchit.hasNext();) {
939 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
940 if (md.matches(matchmd)) {
949 int methodnum = virtualcalls.getMethodNumber(md);
950 virtualtable[rownum][methodnum]=md;
954 /** Generate array that contains the sizes of class objects. The
955 * object allocation functions in the runtime use this
958 protected void generateSizeArray(PrintWriter outclassdefs) {
959 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
960 generateSizeArrayExtensions(outclassdefs);
962 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
963 cdarray=new ClassDescriptor[state.numClasses()];
964 ifarray = new ClassDescriptor[state.numInterfaces()];
967 while(it.hasNext()) {
968 ClassDescriptor cd=(ClassDescriptor)it.next();
969 if(cd.isInterface()) {
970 ifarray[cd.getId()] = cd;
972 cdarray[cd.getId()] = cd;
976 arraytable=new TypeDescriptor[state.numArrays()];
978 Iterator arrayit=state.getArrayIterator();
979 while(arrayit.hasNext()) {
980 TypeDescriptor td=(TypeDescriptor)arrayit.next();
981 int id=state.getArrayNumber(td);
985 /* Print out types */
986 outclassdefs.println("/* ");
987 for(int i=0; i<state.numClasses(); i++) {
988 ClassDescriptor cd=cdarray[i];
990 outclassdefs.println("NULL " + i);
992 outclassdefs.println(cd +" "+i);
996 for(int i=0; i<state.numArrays(); i++) {
997 TypeDescriptor arraytd=arraytable[i];
998 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1001 for(int i=0; i<state.numInterfaces(); i++) {
1002 ClassDescriptor ifcd = ifarray[i];
1003 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1006 outclassdefs.println("*/");
1009 outclassdefs.print("int classsize[]={");
1011 boolean needcomma=false;
1012 for(int i=0; i<state.numClasses(); i++) {
1014 outclassdefs.print(", ");
1016 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1018 outclassdefs.print("0");
1024 for(int i=0; i<state.numArrays(); i++) {
1026 outclassdefs.print(", ");
1027 TypeDescriptor tdelement=arraytable[i].dereference();
1028 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1029 outclassdefs.print("sizeof(void *)");
1031 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1035 for(int i=0; i<state.numInterfaces(); i++) {
1037 outclassdefs.print(", ");
1038 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1042 outclassdefs.println("};");
1044 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1046 outclassdefs.print("int typearray[]={");
1047 for(int i=0; i<state.numClasses(); i++) {
1048 ClassDescriptor cd=cdarray[i];
1049 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1050 if(supercd != null && supercd.isInterface()) {
1051 throw new Error("Super class can not be interfaces");
1054 outclassdefs.print(", ");
1056 outclassdefs.print("-1");
1058 outclassdefs.print(supercd.getId());
1062 for(int i=0; i<state.numArrays(); i++) {
1063 TypeDescriptor arraytd=arraytable[i];
1064 ClassDescriptor arraycd=arraytd.getClassDesc();
1065 if (arraycd==null) {
1067 outclassdefs.print(", ");
1068 outclassdefs.print(objectclass.getId());
1072 ClassDescriptor cd=arraycd.getSuperDesc();
1075 TypeDescriptor supertd=new TypeDescriptor(cd);
1076 supertd.setArrayCount(arraytd.getArrayCount());
1077 type=state.getArrayNumber(supertd);
1079 type+=state.numClasses();
1082 cd=cd.getSuperDesc();
1085 outclassdefs.print(", ");
1086 outclassdefs.print(type);
1090 for(int i=0; i<state.numInterfaces(); i++) {
1091 ClassDescriptor cd=ifarray[i];
1092 ClassDescriptor supercd=cd.getSuperDesc();
1093 if(supercd != null && supercd.isInterface()) {
1094 throw new Error("Super class can not be interfaces");
1097 outclassdefs.print(", ");
1099 outclassdefs.print("-1");
1101 outclassdefs.print(supercd.getId());
1105 outclassdefs.println("};");
1110 outclassdefs.print("int typearray2[]={");
1111 for(int i=0; i<state.numArrays(); i++) {
1112 TypeDescriptor arraytd=arraytable[i];
1113 ClassDescriptor arraycd=arraytd.getClassDesc();
1114 if (arraycd==null) {
1116 outclassdefs.print(", ");
1117 outclassdefs.print("-1");
1121 ClassDescriptor cd=arraycd.getSuperDesc();
1122 int level=arraytd.getArrayCount()-1;
1124 for(; level>0; level--) {
1125 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1126 supertd.setArrayCount(level);
1127 type=state.getArrayNumber(supertd);
1129 type+=state.numClasses();
1134 outclassdefs.print(", ");
1135 outclassdefs.print(type);
1139 outclassdefs.println("};");
1142 /** Constructs params and temp objects for each method or task.
1143 * These objects tell the compiler which temps need to be
1146 protected void generateTempStructs(FlatMethod fm) {
1147 MethodDescriptor md=fm.getMethod();
1148 TaskDescriptor task=fm.getTask();
1149 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1151 paramstable.put(md, objectparams);
1153 paramstable.put(task, objectparams);
1155 for(int i=0; i<fm.numParameters(); i++) {
1156 TempDescriptor temp=fm.getParameter(i);
1157 TypeDescriptor type=temp.getType();
1158 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1159 objectparams.addPtr(temp);
1161 objectparams.addPrim(temp);
1164 for(int i=0; i<fm.numTags(); i++) {
1165 TempDescriptor temp=fm.getTag(i);
1166 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1167 objectparams.addPtr(temp);
1169 objectparams.addPrim(temp);
1172 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1174 tempstable.put(md, objecttemps);
1176 tempstable.put(task, objecttemps);
1178 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1179 FlatNode fn=(FlatNode)nodeit.next();
1180 TempDescriptor[] writes=fn.writesTemps();
1181 for(int i=0; i<writes.length; i++) {
1182 TempDescriptor temp=writes[i];
1183 TypeDescriptor type=temp.getType();
1184 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1185 objecttemps.addPtr(temp);
1187 objecttemps.addPrim(temp);
1192 /** This method outputs the following information about classes
1194 * (1) For classes, what are the locations of pointers.
1195 * (2) For arrays, does the array contain pointers or primitives.
1196 * (3) For classes, does the class contain flags.
1199 protected void generateLayoutStructs(PrintWriter output) {
1200 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1201 while(it.hasNext()) {
1202 ClassDescriptor cn=(ClassDescriptor)it.next();
1203 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1204 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1206 while(allit.hasNext()) {
1207 FieldDescriptor fd=(FieldDescriptor)allit.next();
1211 TypeDescriptor type=fd.getType();
1215 output.print(count);
1216 allit=cn.getFieldTable().getAllDescriptorsIterator();
1217 while(allit.hasNext()) {
1218 FieldDescriptor fd=(FieldDescriptor)allit.next();
1222 TypeDescriptor type=fd.getType();
1224 output.println(",");
1225 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1226 fd.getSafeSymbol()+"))");
1229 output.println("};");
1232 output.println("unsigned INTPTR * pointerarray[]={");
1233 boolean needcomma=false;
1234 for(int i=0; i<state.numClasses(); i++) {
1235 ClassDescriptor cn=cdarray[i];
1237 output.println(",");
1240 output.print(cn.getSafeSymbol()+"_pointers");
1242 output.print("NULL");
1246 for(int i=0; i<state.numArrays(); i++) {
1248 output.println(", ");
1249 TypeDescriptor tdelement=arraytable[i].dereference();
1250 if (tdelement.isArray()||tdelement.isClass())
1251 output.print("((unsigned INTPTR *)1)");
1257 output.println("};");
1259 output.println("int hasflags[]={");
1260 for(int i=0; i<state.numClasses(); i++) {
1261 ClassDescriptor cn=cdarray[i];
1263 output.println(", ");
1265 if ((cn != null) && (cn.hasFlags()))
1270 output.println("};");
1273 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1276 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1277 supertd.setArrayCount(arraytd.getArrayCount());
1278 type=state.getArrayNumber(supertd);
1283 ClassDescriptor cd = arraycd.getSuperDesc();
1285 type = checkarraysupertype(cd, arraytd);
1291 Iterator it_sifs = arraycd.getSuperInterfaces();
1292 while(it_sifs.hasNext()) {
1293 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1294 type = checkarraysupertype(ifcd, arraytd);
1304 /** Print out table to give us supertypes */
1305 protected void generateSuperTypeTable(PrintWriter output) {
1306 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1307 for(int i=0; i<state.numClasses(); i++) {
1308 ClassDescriptor cn=cdarray[i];
1312 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1313 boolean ncomma = false;
1315 if((cn != null) && (cn.getSuperDesc() != null)) {
1318 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1319 while(it_sifs != null && it_sifs.hasNext()) {
1325 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1329 ClassDescriptor cdsuper=cn.getSuperDesc();
1330 output.print(cdsuper.getId());
1332 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1333 while(it_sifs != null && it_sifs.hasNext()) {
1337 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1340 output.println("};");
1343 for(int i=0; i<state.numArrays(); i++) {
1344 TypeDescriptor arraytd=arraytable[i];
1345 ClassDescriptor arraycd=arraytd.getClassDesc();
1346 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1347 boolean ncomma = false;
1349 if (arraycd==null) {
1353 output.print(objectclass.getId());
1354 output.println("};");
1357 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1360 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1361 while(it_sifs != null && it_sifs.hasNext()) {
1367 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1368 ClassDescriptor cd=arraycd.getSuperDesc();
1371 type = checkarraysupertype(cd, arraytd);
1373 type += state.numClasses();
1380 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1381 while(it_sifs != null && it_sifs.hasNext()) {
1382 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1383 int type = checkarraysupertype(ifcd , arraytd);
1385 type += state.numClasses();
1391 output.println("};");
1394 for(int i=0; i<state.numInterfaces(); i++) {
1395 ClassDescriptor cn=ifarray[i];
1399 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1400 boolean ncomma = false;
1402 if((cn != null) && (cn.getSuperDesc() != null)) {
1405 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1406 while(it_sifs != null && it_sifs.hasNext()) {
1412 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1416 ClassDescriptor cdsuper=cn.getSuperDesc();
1417 output.print(cdsuper.getId());
1419 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1420 while(it_sifs != null && it_sifs.hasNext()) {
1424 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1427 output.println("};");
1430 output.println("int* supertypes[]={");
1431 boolean needcomma=false;
1432 for(int i=0; i<state.numClasses(); i++) {
1433 ClassDescriptor cn=cdarray[i];
1435 output.println(",");
1438 output.print("supertypes" + cn.getSafeSymbol());
1444 for(int i=0; i<state.numArrays(); i++) {
1446 output.println(",");
1448 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1451 for(int i=0; i<state.numInterfaces(); i++) {
1452 ClassDescriptor cn=ifarray[i];
1454 output.println(",");
1456 output.print("supertypes" + cn.getSafeSymbol());
1458 output.println("};");
1461 /** Force consistent field ordering between inherited classes. */
1463 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1465 ClassDescriptor sp=cn.getSuperDesc();
1467 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1469 SymbolTable sitbl = cn.getSuperInterfaceTable();
1470 Iterator it_sifs = sitbl.getDescriptorsIterator();
1471 while(it_sifs.hasNext()) {
1472 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1473 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1476 if (!fieldorder.containsKey(cn)) {
1477 Vector fields=new Vector();
1478 fieldorder.put(cn,fields);
1480 Vector fieldvec=cn.getFieldVec();
1481 for(int i=0; i<fieldvec.size(); i++) {
1482 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1483 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1486 it_sifs = sitbl.getDescriptorsIterator();
1487 boolean hasprinted = false;
1488 while(it_sifs.hasNext()) {
1489 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1490 if(si.getFieldTable().contains(fd.getSymbol())) {
1496 // this field has been defined in the super class
1503 //Vector fields=(Vector)fieldorder.get(cn);
1505 Vector fields = cn.getFieldVec();
1507 for(int i=0; i<fields.size(); i++) {
1508 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1509 String fstring = fd.getSafeSymbol();
1510 if(printedfieldstbl.containsKey(fstring)) {
1511 printedfieldstbl.put(fstring, cn);
1514 printedfieldstbl.put(fstring, cn);
1516 if (fd.getType().isClass()
1517 && fd.getType().getClassDesc().isEnum()) {
1518 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1519 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1520 if (fd.isStatic()) {
1521 // TODO add version for normal Java later
1523 if(globaldefout != null) {
1524 if(fd.isVolatile()) {
1525 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1527 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1531 } else if (fd.isVolatile()) {
1533 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1535 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1537 } else if (fd.isStatic()) {
1538 // TODO add version for normal Java later
1540 if(globaldefout != null) {
1541 if(fd.isVolatile()) {
1542 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1544 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1547 } else if (fd.isVolatile()) {
1549 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1551 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1556 /* Map flags to integers consistently between inherited
1559 protected void mapFlags(ClassDescriptor cn) {
1560 ClassDescriptor sp=cn.getSuperDesc();
1564 if (!flagorder.containsKey(cn)) {
1565 Hashtable flags=new Hashtable();
1566 flagorder.put(cn,flags);
1568 Hashtable superflags=(Hashtable)flagorder.get(sp);
1569 Iterator superflagit=superflags.keySet().iterator();
1570 while(superflagit.hasNext()) {
1571 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1572 Integer number=(Integer)superflags.get(fd);
1573 flags.put(fd, number);
1574 if ((number.intValue()+1)>max)
1575 max=number.intValue()+1;
1579 Iterator flagit=cn.getFlags();
1580 while(flagit.hasNext()) {
1581 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1582 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1583 flags.put(fd, new Integer(max++));
1589 /** This function outputs (1) structures that parameters are
1590 * passed in (when PRECISE GC is enabled) and (2) function
1591 * prototypes for the methods */
1593 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1594 /* Output class structure */
1595 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1596 classdefout.println(" int type;");
1599 additionalClassObjectFields(classdefout);
1602 if (state.EVENTMONITOR) {
1603 classdefout.println(" int objuid;");
1606 classdefout.println(" pthread_t tid;");
1607 classdefout.println(" void * lockentry;");
1608 classdefout.println(" int lockcount;");
1611 classdefout.println(" int mutex;");
1612 classdefout.println(" volatile int notifycount;");
1613 classdefout.println(" volatile int objlock;");
1614 if(state.MULTICOREGC) {
1615 classdefout.println(" int marked;");
1619 classdefout.println(" int flag;");
1620 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1621 classdefout.println(" void * flagptr;");
1622 } else if (state.MULTICORE) {
1623 classdefout.println(" int version;");
1624 classdefout.println(" int * lock;"); // lock entry for this obj
1625 classdefout.println(" int mutex;");
1626 classdefout.println(" int lockcount;");
1627 if(state.MULTICOREGC) {
1628 classdefout.println(" int marked;");
1631 if (state.OPTIONAL) {
1632 classdefout.println(" int numfses;");
1633 classdefout.println(" int * fses;");
1636 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1637 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1638 classdefout.println("};\n");
1639 generateCallStructsMethods(cn, output, headersout);
1643 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1644 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1645 MethodDescriptor md=(MethodDescriptor)methodit.next();
1646 boolean foundmatch = false;
1647 if(this.state.genAllMethods) {
1650 Set vec_md = this.state.getMethod2gen().getSet(md.getSymbol());
1651 for(Iterator matchit=vec_md.iterator(); matchit.hasNext();) {
1652 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1653 if (md.matches(matchmd)) {
1660 generateMethod(cn, md, headersout, output);
1665 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1666 /* Output parameter structure */
1667 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1668 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1669 // generate the staticinit version
1670 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1672 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1673 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1674 output.println(" int size;");
1675 output.println(" void * next;");
1676 for(int i=0; i<objectparams.numPointers(); i++) {
1677 TempDescriptor temp=objectparams.getPointer(i);
1678 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1679 output.println(" int " + temp.getSafeSymbol() + ";");
1681 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1684 output.println("};\n");
1687 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1688 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1689 output.println(" int size;");
1690 output.println(" void * next;");
1691 for(int i=0; i<objectparams.numPointers(); i++) {
1692 TempDescriptor temp=objectparams.getPointer(i);
1693 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1694 output.println(" int " + temp.getSafeSymbol() + ";");
1696 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1699 output.println("};\n");
1703 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1704 FlatMethod fm=state.getMethodFlat(md);
1705 generateTempStructs(fm);
1707 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1708 TempObject objecttemps=(TempObject) tempstable.get(md);
1710 boolean printcomma = false;
1712 generateMethodParam(cn, md, output);
1714 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1715 // generate the staticinit version
1716 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1718 /* Output temp structure */
1719 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1720 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1721 output.println(" int size;");
1722 output.println(" void * next;");
1723 for(int i=0; i<objecttemps.numPointers(); i++) {
1724 TempDescriptor temp=objecttemps.getPointer(i);
1725 if (!temp.getType().isArray() && temp.getType().isNull())
1726 output.println(" void * "+temp.getSafeSymbol()+";");
1728 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1730 output.println("};\n");
1733 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1734 /* First the return type */
1735 if (md.getReturnType()!=null) {
1736 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1737 headersout.println(" int ");
1738 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1739 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1741 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1743 //catch the constructor case
1744 headersout.print("void ");
1746 /* Next the method name */
1747 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1749 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1750 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1754 /* Output parameter list*/
1755 for(int i=0; i<objectparams.numPrimitives(); i++) {
1756 TempDescriptor temp=objectparams.getPrimitive(i);
1758 headersout.print(", ");
1760 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1761 headersout.print("int " + temp.getSafeSymbol());
1762 } else if (temp.getType().isClass()||temp.getType().isArray())
1763 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1765 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1767 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1768 headersout.print(", int linenum");
1770 headersout.println(");\n");
1773 /* Output temp structure */
1774 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1775 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1776 output.println(" int size;");
1777 output.println(" void * next;");
1778 for(int i=0; i<objecttemps.numPointers(); i++) {
1779 TempDescriptor temp=objecttemps.getPointer(i);
1780 if (!temp.getType().isArray() && temp.getType().isNull())
1781 output.println(" void * "+temp.getSafeSymbol()+";");
1783 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1785 output.println("};\n");
1788 /********* Output method declaration ***********/
1789 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1790 /* First the return type */
1791 if (md.getReturnType()!=null) {
1792 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1793 headersout.println(" int ");
1794 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1795 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1797 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1799 //catch the constructor case
1800 headersout.print("void ");
1802 /* Next the method name */
1803 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1805 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1806 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1810 /* Output parameter list*/
1811 for(int i=0; i<objectparams.numPrimitives(); i++) {
1812 TempDescriptor temp=objectparams.getPrimitive(i);
1814 headersout.print(", ");
1816 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1817 headersout.print("int " + temp.getSafeSymbol());
1818 } else if (temp.getType().isClass()||temp.getType().isArray())
1819 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1821 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1823 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1824 headersout.print(", int linenum");
1826 headersout.println(");\n");
1830 /** This function outputs (1) structures that parameters are
1831 * passed in (when PRECISE GC is enabled) and (2) function
1832 * prototypes for the tasks */
1834 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1835 /* Cycle through tasks */
1836 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1838 while(taskit.hasNext()) {
1839 /* Classify parameters */
1840 TaskDescriptor task=(TaskDescriptor)taskit.next();
1841 FlatMethod fm=state.getMethodFlat(task);
1842 generateTempStructs(fm);
1844 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1845 TempObject objecttemps=(TempObject) tempstable.get(task);
1847 /* Output parameter structure */
1848 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1849 output.println("struct "+task.getSafeSymbol()+"_params {");
1850 output.println(" int size;");
1851 output.println(" void * next;");
1852 for(int i=0; i<objectparams.numPointers(); i++) {
1853 TempDescriptor temp=objectparams.getPointer(i);
1854 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1857 output.println("};\n");
1858 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1859 maxtaskparams=objectparams.numPointers()+fm.numTags();
1863 /* Output temp structure */
1864 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1865 output.println("struct "+task.getSafeSymbol()+"_locals {");
1866 output.println(" int size;");
1867 output.println(" void * next;");
1868 for(int i=0; i<objecttemps.numPointers(); i++) {
1869 TempDescriptor temp=objecttemps.getPointer(i);
1870 if (!temp.getType().isArray() && temp.getType().isNull())
1871 output.println(" void * "+temp.getSafeSymbol()+";");
1872 else if(temp.getType().isTag())
1873 output.println(" struct "+
1874 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1876 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1878 output.println("};\n");
1881 /* Output task declaration */
1882 headersout.print("void " + task.getSafeSymbol()+"(");
1884 boolean printcomma=false;
1885 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1886 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1888 headersout.print("void * parameterarray[]");
1889 headersout.println(");\n");
1893 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1894 if (State.PRINTFLAT)
1895 System.out.println(fm.printMethod());
1896 MethodDescriptor md=fm.getMethod();
1897 TaskDescriptor task=fm.getTask();
1898 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1899 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1901 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1902 // generate a special static init version
1903 mgcstaticinit = true;
1904 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1906 generateHeader(fm, md!=null ? md : task,output);
1907 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1909 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1910 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1911 output.print(objecttemp.numPointers()+",");
1912 output.print(paramsprefix);
1913 for(int j=0; j<objecttemp.numPointers(); j++)
1914 output.print(", NULL");
1915 output.println("};");
1918 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1919 TempDescriptor td=objecttemp.getPrimitive(i);
1920 TypeDescriptor type=td.getType();
1921 if (type.isNull() && !type.isArray())
1922 output.println(" void * "+td.getSafeSymbol()+";");
1923 else if (type.isClass() && type.getClassDesc().isEnum()) {
1924 output.println(" int " + td.getSafeSymbol() + ";");
1925 } else if (type.isClass()||type.isArray())
1926 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1928 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1931 additionalCodeAtTopFlatMethodBody(output, fm);
1933 /* Check to see if we need to do a GC if this is a
1934 * multi-threaded program...*/
1936 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1937 || this.state.MULTICOREGC) {
1938 //Don't bother if we aren't in recursive methods...The loops case will catch it
1939 if (callgraph.getAllMethods(md).contains(md)) {
1940 if (this.state.MULTICOREGC) {
1941 output.println("if(gcflag) gc("+localsprefixaddr+");");
1943 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1948 generateCode(fm.getNext(0), fm, null, output);
1950 output.println("}\n\n");
1952 mgcstaticinit = false;
1955 generateHeader(fm, md!=null ? md : task,output);
1956 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1958 if((md != null) && (md.isStaticBlock())) {
1959 mgcstaticinit = true;
1962 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1964 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1966 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1967 output.print(objecttemp.numPointers()+",");
1968 output.print(paramsprefix);
1969 for(int j=0; j<objecttemp.numPointers(); j++)
1970 output.print(", NULL");
1971 output.println("};");
1974 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1975 TempDescriptor td=objecttemp.getPrimitive(i);
1976 TypeDescriptor type=td.getType();
1977 if (type.isNull() && !type.isArray())
1978 output.println(" void * "+td.getSafeSymbol()+";");
1979 else if (type.isClass() && type.getClassDesc().isEnum()) {
1980 output.println(" int " + td.getSafeSymbol() + ";");
1981 } else if (type.isClass()||type.isArray())
1982 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1984 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1987 additionalCodeAtTopFlatMethodBody(output, fm);
1989 /* Check to see if we need to do a GC if this is a
1990 * multi-threaded program...*/
1992 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1993 || this.state.MULTICOREGC) {
1994 //Don't bother if we aren't in recursive methods...The loops case will catch it
1995 if (callgraph.getAllMethods(md).contains(md)) {
1996 if (this.state.MULTICOREGC) {
1997 output.println("if(gcflag) gc("+localsprefixaddr+");");
1999 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2004 if(fm.getMethod().isStaticBlock()) {
2005 // a static block, check if it has been executed
2006 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2007 output.println(" return;");
2008 output.println(" }");
2012 generateCode(fm.getNext(0), fm, null, output);
2014 output.println("}\n\n");
2016 mgcstaticinit = false;
2019 protected void generateCode(FlatNode first,
2021 Set<FlatNode> stopset,
2022 PrintWriter output) {
2024 /* Assign labels to FlatNode's if necessary.*/
2026 Hashtable<FlatNode, Integer> nodetolabel;
2028 nodetolabel=assignLabels(first, stopset);
2030 Set<FlatNode> storeset=null;
2031 HashSet<FlatNode> genset=null;
2032 HashSet<FlatNode> refset=null;
2033 Set<FlatNode> unionset=null;
2035 /* Do the actual code generation */
2036 FlatNode current_node=null;
2037 HashSet tovisit=new HashSet();
2038 HashSet visited=new HashSet();
2040 while(current_node!=null||!tovisit.isEmpty()) {
2041 if (current_node==null) {
2042 current_node=(FlatNode)tovisit.iterator().next();
2043 tovisit.remove(current_node);
2044 } else if (tovisit.contains(current_node)) {
2045 tovisit.remove(current_node);
2047 visited.add(current_node);
2048 if (nodetolabel.containsKey(current_node)) {
2049 output.println("L"+nodetolabel.get(current_node)+":");
2051 if (state.INSTRUCTIONFAILURE) {
2053 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2055 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2057 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2059 generateFlatNode(fm, current_node, output);
2061 if (state.OOOJAVA && stopset!=null) {
2062 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2063 assert current_node instanceof FlatSESEExitNode;
2064 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2065 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2066 assert fsen.getFlatExit().equals(fsxn);
2067 assert fsxn.getFlatEnter().equals(fsen);
2069 if (current_node.kind()!=FKind.FlatReturnNode) {
2070 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2071 // a static block, check if it has been executed
2072 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2075 output.println(" return;");
2078 } else if(current_node.numNext()==1) {
2080 if (state.OOOJAVA &&
2081 current_node.kind()==FKind.FlatSESEEnterNode) {
2082 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2083 generateFlatNode(fm, current_node, output);
2084 nextnode=fsen.getFlatExit().getNext(0);
2087 generateFlatNode(fm, current_node, output);
2088 nextnode=current_node.getNext(0);
2090 if (visited.contains(nextnode)) {
2091 output.println("goto L"+nodetolabel.get(nextnode)+";");
2094 current_node=nextnode;
2095 } else if (current_node.numNext()==2) {
2098 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2099 if (!visited.contains(current_node.getNext(1)))
2100 tovisit.add(current_node.getNext(1));
2101 if (visited.contains(current_node.getNext(0))) {
2102 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2105 current_node=current_node.getNext(0);
2106 } else throw new Error();
2110 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2111 HashSet tovisit=new HashSet();
2112 HashSet visited=new HashSet();
2114 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2117 /*Assign labels first. A node needs a label if the previous
2118 * node has two exits or this node is a join point. */
2120 while(!tovisit.isEmpty()) {
2121 FlatNode fn=(FlatNode)tovisit.iterator().next();
2126 if(lastset!=null&&lastset.contains(fn)) {
2127 // if last is not null and matches, don't go
2128 // any further for assigning labels
2132 for(int i=0; i<fn.numNext(); i++) {
2133 FlatNode nn=fn.getNext(i);
2136 //1) Edge >1 of node
2137 nodetolabel.put(nn,new Integer(labelindex++));
2139 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2143 nodetolabel.put(nn,new Integer(labelindex++));
2150 /** Generate text string that corresponds to the TempDescriptor td. */
2151 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2152 MethodDescriptor md=fm.getMethod();
2153 TaskDescriptor task=fm.getTask();
2154 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2156 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2157 return td.getSafeSymbol();
2160 if (objecttemps.isLocalPtr(td)) {
2161 return localsprefixderef+td.getSafeSymbol();
2164 if (objecttemps.isParamPtr(td)) {
2165 return paramsprefix+"->"+td.getSafeSymbol();
2173 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2174 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2175 additionalCodePreNode(fm, fn, output);
2178 case FKind.FlatAtomicEnterNode:
2179 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2182 case FKind.FlatAtomicExitNode:
2183 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2186 case FKind.FlatInstanceOfNode:
2187 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2190 case FKind.FlatSESEEnterNode:
2191 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2194 case FKind.FlatSESEExitNode:
2195 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2198 case FKind.FlatWriteDynamicVarNode:
2199 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2202 case FKind.FlatGlobalConvNode:
2203 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2206 case FKind.FlatTagDeclaration:
2207 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2210 case FKind.FlatCall:
2211 generateFlatCall(fm, (FlatCall) fn,output);
2214 case FKind.FlatFieldNode:
2215 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2218 case FKind.FlatElementNode:
2219 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2222 case FKind.FlatSetElementNode:
2223 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2226 case FKind.FlatSetFieldNode:
2227 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2231 generateFlatNew(fm, (FlatNew) fn,output);
2234 case FKind.FlatOpNode:
2235 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2238 case FKind.FlatCastNode:
2239 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2242 case FKind.FlatLiteralNode:
2243 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2246 case FKind.FlatReturnNode:
2247 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2251 output.println("/* nop */");
2254 case FKind.FlatGenReachNode:
2255 // this node is just for generating a reach graph
2256 // in disjointness analysis at a particular program point
2259 case FKind.FlatExit:
2260 output.println("/* exit */");
2263 case FKind.FlatBackEdge:
2264 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2267 case FKind.FlatCheckNode:
2268 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2271 case FKind.FlatFlagActionNode:
2272 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2275 case FKind.FlatPrefetchNode:
2276 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2279 case FKind.FlatOffsetNode:
2280 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2287 additionalCodePostNode(fm, fn, output);
2290 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2291 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2292 || (this.state.MULTICOREGC)) {
2293 if(this.state.MULTICOREGC) {
2294 output.println("if (gcflag) gc("+localsprefixaddr+");");
2296 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2299 output.println("/* nop */");
2302 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2303 output.println("/* FlatOffsetNode */");
2304 FieldDescriptor fd=fofn.getField();
2305 if(!fd.isStatic()) {
2306 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2307 fd.getSafeSymbol()+");");
2309 output.println("/* offset */");
2312 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2315 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2318 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2321 if (fion.getType().isArray()) {
2322 type=state.getArrayNumber(fion.getType())+state.numClasses();
2323 } else if (fion.getType().getClassDesc().isInterface()) {
2324 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2326 type=fion.getType().getClassDesc().getId();
2328 if (fion.getSrc().getType().isArray()) {
2329 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2330 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2331 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2333 otype=fion.getSrc().getType().getClassDesc().getId();
2336 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2337 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2339 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2343 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2346 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2349 public void generateFlatSESEEnterNode(FlatMethod fm,
2350 FlatSESEEnterNode fsen,
2351 PrintWriter output) {
2352 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2353 // just skip over them and code generates exactly the same
2356 public void generateFlatSESEExitNode(FlatMethod fm,
2357 FlatSESEExitNode fsexn,
2358 PrintWriter output) {
2359 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2360 // just skip over them and code generates exactly the same
2363 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2364 FlatWriteDynamicVarNode fwdvn,
2365 PrintWriter output) {
2369 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2370 if (state.CONSCHECK) {
2371 String specname=fcn.getSpec();
2372 String varname="repairstate___";
2373 output.println("{");
2374 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2376 TempDescriptor[] temps=fcn.getTemps();
2377 String[] vars=fcn.getVars();
2378 for(int i=0; i<temps.length; i++) {
2379 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2382 output.println("if (doanalysis"+specname+"("+varname+")) {");
2383 output.println("free"+specname+"_state("+varname+");");
2384 output.println("} else {");
2385 output.println("/* Bad invariant */");
2386 output.println("free"+specname+"_state("+varname+");");
2387 output.println("abort_task();");
2388 output.println("}");
2389 output.println("}");
2393 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2394 MethodDescriptor md=fc.getMethod();
2395 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2396 ClassDescriptor cn=md.getClassDesc();
2397 String mdstring = md.getSafeMethodDescriptor();
2398 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2399 mdstring += "staticinit";
2402 // if the called method is a static block or a static method or a constructor
2403 // need to check if it can be invoked inside some static block
2404 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2405 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2406 if(!md.isInvokedByStatic()) {
2407 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2409 // is a static block or is invoked in some static block
2410 ClassDescriptor cd = fm.getMethod().getClassDesc();
2412 // the same class, do nothing
2413 } else if(mgcstaticinit) {
2414 // generate static init check code if it has not done static init in main()
2415 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2416 // need to check if the class' static fields have been initialized and/or
2417 // its static blocks have been executed
2418 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2419 if(cn.getNumStaticBlocks() != 0) {
2420 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2421 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2422 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2423 output.println("0, NULL};");
2424 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2426 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2429 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2431 output.println("}");
2435 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2436 output.println("{");
2437 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2438 output.println("int monitorenterline = __LINE__;");
2440 // call MonitorEnter/MonitorExit on a class obj
2441 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2442 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2443 output.println("1," + localsprefixaddr + ", global_defs_p->"+ fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj};");
2444 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2445 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2447 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2450 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2451 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(global_defs_p->"
2452 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
2454 output.println("}");
2458 output.println("{");
2459 if(md.getSymbol().equals("MonitorEnter")) {
2460 output.println("int monitorenterline = __LINE__;");
2462 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2463 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2464 output.print(objectparams.numPointers());
2465 output.print(", "+localsprefixaddr);
2466 if (md.getThis()!=null) {
2468 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2470 if (fc.getThis()!=null&&md.getThis()==null) {
2471 System.out.println("WARNING!!!!!!!!!!!!");
2472 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2476 for(int i=0; i<fc.numArgs(); i++) {
2477 Descriptor var=md.getParameter(i);
2478 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2479 if (objectparams.isParamPtr(paramtemp)) {
2480 TempDescriptor targ=fc.getArg(i);
2482 TypeDescriptor td=md.getParamType(i);
2484 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2486 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2489 output.println("};");
2494 if (fc.getReturnTemp()!=null)
2495 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2497 /* Do we need to do virtual dispatch? */
2498 if (!md.isStatic()&&md.getReturnType()!=null&&fc.getThis().getType().getClassDesc()==null) {
2499 System.out.println(fm);
2500 System.out.println(md);
2501 System.out.println(fc);
2502 System.out.println(fm.printMethod());
2505 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2507 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2511 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2512 output.print("int ");
2513 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2514 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2516 output.print(md.getReturnType().getSafeSymbol()+" ");
2517 output.print("(*)(");
2519 boolean printcomma=false;
2520 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2521 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2525 for(int i=0; i<objectparams.numPrimitives(); i++) {
2526 TempDescriptor temp=objectparams.getPrimitive(i);
2530 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2531 output.print("int ");
2532 } else if (temp.getType().isClass()||temp.getType().isArray())
2533 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2535 output.print(temp.getType().getSafeSymbol());
2538 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2539 output.print(", int");
2541 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2545 boolean needcomma=false;
2546 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2547 output.print("&__parameterlist__");
2551 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2552 if (fc.getThis()!=null) {
2553 TypeDescriptor ptd=null;
2554 if(md.getThis() != null) {
2555 ptd = md.getThis().getType();
2557 ptd = fc.getThis().getType();
2561 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2563 } else if (ptd.isClass()&&!ptd.isArray())
2564 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2565 output.print(generateTemp(fm,fc.getThis()));
2570 for(int i=0; i<fc.numArgs(); i++) {
2571 Descriptor var=md.getParameter(i);
2572 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2573 if (objectparams.isParamPrim(paramtemp)) {
2574 TempDescriptor targ=fc.getArg(i);
2578 TypeDescriptor ptd=md.getParamType(i);
2579 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2581 } else if (ptd.isClass()&&!ptd.isArray())
2582 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2583 output.print(generateTemp(fm, targ));
2587 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2588 output.println(", monitorenterline);");
2590 output.println(");");
2592 output.println(" }");
2595 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2596 if(thiscd.isInterface()) {
2597 // for interfaces, always need virtual dispatch
2600 Set subclasses=typeutil.getSubClasses(thiscd);
2601 if (subclasses==null)
2603 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2604 ClassDescriptor cd=(ClassDescriptor)classit.next();
2605 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2606 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2607 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2608 if (md.matches(matchmd))
2616 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2618 if(ffn.getField().isStatic()) {
2620 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2621 // is a static block or is invoked in some static block
2622 ClassDescriptor cd = fm.getMethod().getClassDesc();
2623 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2625 // the same class, do nothing
2626 } else if(mgcstaticinit) {
2627 // generate the static init check code if has not done the static init in main()
2628 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2629 // need to check if the class' static fields have been initialized and/or
2630 // its static blocks have been executed
2631 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2632 if(cn.getNumStaticBlocks() != 0) {
2633 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2634 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2635 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2636 output.println("0, NULL};");
2637 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2639 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2642 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2644 output.println("}");
2648 // redirect to the global_defs_p structure
2649 if (ffn.getField().getType().isPtr())
2650 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2652 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2653 } else if (ffn.getField().isEnum()) {
2654 // an Enum value, directly replace the field access as int
2655 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2657 output.println("#ifdef MULTICORE_DEBUG");
2658 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2659 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2660 if(state.MULTICOREGC) {
2661 output.println("failednullptr(&___locals___);");
2663 output.println("failednullptr(NULL);");
2665 output.println("}");
2666 output.println("#endif //MULTICORE_DEBUG");
2667 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2672 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2673 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2674 throw new Error("Can't set array length");
2675 if (state.FASTCHECK) {
2676 String dst=generateTemp(fm, fsfn.getDst());
2677 output.println("if(!"+dst+"->"+localcopystr+") {");
2678 /* Link object into list */
2679 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2680 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2682 output.println("COPY_OBJ("+dst+");");
2683 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2684 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2685 output.println("}");
2688 if(fsfn.getField().isStatic()) {
2690 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2691 // is a static block or is invoked in some static block
2692 ClassDescriptor cd = fm.getMethod().getClassDesc();
2693 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2695 // the same class, do nothing
2696 } else if(mgcstaticinit){
2697 // generate static init check code if has not done the static init in main()
2698 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2699 // need to check if the class' static fields have been initialized and/or
2700 // its static blocks have been executed
2701 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2702 if(cn.getNumStaticBlocks() != 0) {
2703 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2704 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2705 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2706 output.println("0, NULL};");
2707 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2709 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2712 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2714 output.println("}");
2718 // redirect to the global_defs_p structure
2719 if (fsfn.getField().getType().isPtr())
2720 output.println("global_defs_p->" +
2721 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2723 output.println("global_defsprim_p->" +
2724 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2726 output.println("#ifdef MULTICORE_DEBUG");
2727 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2728 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2729 if(state.MULTICOREGC) {
2730 output.println("failednullptr(&___locals___);");
2732 output.println("failednullptr(NULL);");
2734 output.println("}");
2735 output.println("#endif //MULTICORE_DEBUG");
2736 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2737 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2742 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2743 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2746 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2748 } else if (elementtype.isArray()||elementtype.isClass())
2751 type=elementtype.getSafeSymbol()+" ";
2753 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2754 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2755 output.println("failedboundschk(" + (boundschknum++) + ");");
2757 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2760 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2761 //TODO: need dynamic check to make sure this assignment is actually legal
2762 //Because Object[] could actually be something more specific...ie. Integer[]
2764 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2767 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2769 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2772 type=elementtype.getSafeSymbol()+" ";
2774 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2775 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2776 output.println("failedboundschk(" + (boundschknum++) + ");");
2778 if (state.FASTCHECK) {
2779 String dst=generateTemp(fm, fsen.getDst());
2780 output.println("if(!"+dst+"->"+localcopystr+") {");
2781 /* Link object into list */
2782 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2783 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2785 output.println("COPY_OBJ("+dst+");");
2786 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2787 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2788 output.println("}");
2790 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2794 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2795 if (fn.getType().isArray()) {
2796 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2797 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2798 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2800 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2803 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2804 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2806 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2809 if (state.FASTCHECK) {
2810 String dst=generateTemp(fm,fn.getDst());
2811 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2812 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2813 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2817 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2818 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2819 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2821 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2825 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2826 if (fon.getRight()!=null) {
2827 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2828 if (fon.getLeft().getType().isLong())
2829 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2831 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2834 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2835 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2836 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2837 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2838 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2839 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2840 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2841 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2842 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2843 else if (fon.getOp().getOp()==Operation.COMP)
2844 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2845 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2846 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2848 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2851 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2852 /* TODO: Do type check here */
2853 if (fcn.getType().isArray()) {
2854 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2855 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2856 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2857 } else if (fcn.getType().isClass())
2858 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2860 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2865 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2866 if (fln.getValue()==null)
2867 output.println(generateTemp(fm, fln.getDst())+"=0;");
2868 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2869 String str=(String)fln.getValue();
2870 output.println("{");
2871 output.print("short str"+flncount+"[]={");
2872 for(int i=0;i<str.length();i++) {
2875 output.print(((int)str.charAt(i)));
2877 output.println("};");
2878 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2879 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2881 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2883 output.println("}");
2885 } else if (fln.getType().isBoolean()) {
2886 if (((Boolean)fln.getValue()).booleanValue())
2887 output.println(generateTemp(fm, fln.getDst())+"=1;");
2889 output.println(generateTemp(fm, fln.getDst())+"=0;");
2890 } else if (fln.getType().isChar()) {
2891 int val=(int)(((Character)fln.getValue()).charValue());
2892 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2893 } else if (fln.getType().isLong()) {
2894 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2896 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2899 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2900 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2901 // a static block, check if it has been executed
2902 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2906 if (frn.getReturnTemp()!=null) {
2907 if (frn.getReturnTemp().getType().isPtr())
2908 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2910 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2912 output.println("return;");
2916 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2917 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2920 /** This method generates header information for the method or
2921 * task referenced by the Descriptor des. */
2922 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2923 generateHeader(fm, des, output, false);
2926 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2928 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2929 MethodDescriptor md=null;
2930 TaskDescriptor task=null;
2931 if (des instanceof MethodDescriptor)
2932 md=(MethodDescriptor) des;
2934 task=(TaskDescriptor) des;
2935 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2937 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2939 if (md!=null&&md.getReturnType()!=null) {
2940 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2941 output.print("int ");
2942 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2943 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2945 output.print(md.getReturnType().getSafeSymbol()+" ");
2947 //catch the constructor case
2948 output.print("void ");
2950 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2951 mdstring += "staticinit";
2953 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2955 output.print(task.getSafeSymbol()+"(");
2957 boolean printcomma=false;
2958 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2960 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2962 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2968 for(int i=0; i<objectparams.numPrimitives(); i++) {
2969 TempDescriptor temp=objectparams.getPrimitive(i);
2973 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2974 output.print("int " + temp.getSafeSymbol());
2975 } else if (temp.getType().isClass()||temp.getType().isArray())
2976 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2978 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2980 output.println(") {");
2981 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2982 /* Imprecise Task */
2983 output.println("void * parameterarray[]) {");
2984 /* Unpack variables */
2985 for(int i=0; i<objectparams.numPrimitives(); i++) {
2986 TempDescriptor temp=objectparams.getPrimitive(i);
2987 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2988 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2990 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2993 for(int i=0; i<fm.numTags(); i++) {
2994 TempDescriptor temp=fm.getTag(i);
2995 int offset=i+objectparams.numPrimitives();
2996 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2999 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3000 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3001 } else output.println(") {");
3004 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3005 output.println("/* FlatFlagActionNode */");
3008 /* Process tag changes */
3009 Relation tagsettable=new Relation();
3010 Relation tagcleartable=new Relation();
3012 Iterator tagsit=ffan.getTempTagPairs();
3013 while (tagsit.hasNext()) {
3014 TempTagPair ttp=(TempTagPair) tagsit.next();
3015 TempDescriptor objtmp=ttp.getTemp();
3016 TagDescriptor tag=ttp.getTag();
3017 TempDescriptor tagtmp=ttp.getTagTemp();
3018 boolean tagstatus=ffan.getTagChange(ttp);
3020 tagsettable.put(objtmp, tagtmp);
3022 tagcleartable.put(objtmp, tagtmp);
3027 Hashtable flagandtable=new Hashtable();
3028 Hashtable flagortable=new Hashtable();
3030 /* Process flag changes */
3031 Iterator flagsit=ffan.getTempFlagPairs();
3032 while(flagsit.hasNext()) {
3033 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3034 TempDescriptor temp=tfp.getTemp();
3035 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3036 FlagDescriptor flag=tfp.getFlag();
3038 //Newly allocate objects that don't set any flags case
3039 if (flagortable.containsKey(temp)) {
3043 flagortable.put(temp,new Integer(mask));
3045 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3046 boolean flagstatus=ffan.getFlagChange(tfp);
3049 if (flagortable.containsKey(temp)) {
3050 mask=((Integer)flagortable.get(temp)).intValue();
3053 flagortable.put(temp,new Integer(mask));
3055 int mask=0xFFFFFFFF;
3056 if (flagandtable.containsKey(temp)) {
3057 mask=((Integer)flagandtable.get(temp)).intValue();
3059 mask&=(0xFFFFFFFF^flagid);
3060 flagandtable.put(temp,new Integer(mask));
3066 HashSet flagtagset=new HashSet();
3067 flagtagset.addAll(flagortable.keySet());
3068 flagtagset.addAll(flagandtable.keySet());
3069 flagtagset.addAll(tagsettable.keySet());
3070 flagtagset.addAll(tagcleartable.keySet());
3072 Iterator ftit=flagtagset.iterator();
3073 while(ftit.hasNext()) {
3074 TempDescriptor temp=(TempDescriptor)ftit.next();
3077 Set tagtmps=tagcleartable.get(temp);
3078 if (tagtmps!=null) {
3079 Iterator tagit=tagtmps.iterator();
3080 while(tagit.hasNext()) {
3081 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3082 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3083 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3085 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3089 tagtmps=tagsettable.get(temp);
3090 if (tagtmps!=null) {
3091 Iterator tagit=tagtmps.iterator();
3092 while(tagit.hasNext()) {
3093 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3094 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3095 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3097 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3102 int andmask=0xFFFFFFF;
3104 if (flagortable.containsKey(temp))
3105 ormask=((Integer)flagortable.get(temp)).intValue();
3106 if (flagandtable.containsKey(temp))
3107 andmask=((Integer)flagandtable.get(temp)).intValue();
3108 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3109 generateObjectDistribute(ffan, fm, temp, output);
3113 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3114 PrintWriter output, int ormask, int andmask) {
3115 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3116 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3118 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3122 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3123 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3126 void generateOptionalHeader(PrintWriter headers) {
3129 headers.println("#include \"task.h\"\n\n");
3130 headers.println("#ifndef _OPTIONAL_STRUCT_");
3131 headers.println("#define _OPTIONAL_STRUCT_");
3133 //STRUCT PREDICATEMEMBER
3134 headers.println("struct predicatemember{");
3135 headers.println("int type;");
3136 headers.println("int numdnfterms;");
3137 headers.println("int * flags;");
3138 headers.println("int numtags;");
3139 headers.println("int * tags;\n};\n\n");
3141 //STRUCT OPTIONALTASKDESCRIPTOR
3142 headers.println("struct optionaltaskdescriptor{");
3143 headers.println("struct taskdescriptor * task;");
3144 headers.println("int index;");
3145 headers.println("int numenterflags;");
3146 headers.println("int * enterflags;");
3147 headers.println("int numpredicatemembers;");
3148 headers.println("struct predicatemember ** predicatememberarray;");
3149 headers.println("};\n\n");
3151 //STRUCT TASKFAILURE
3152 headers.println("struct taskfailure {");
3153 headers.println("struct taskdescriptor * task;");
3154 headers.println("int index;");
3155 headers.println("int numoptionaltaskdescriptors;");
3156 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3158 //STRUCT FSANALYSISWRAPPER
3159 headers.println("struct fsanalysiswrapper{");
3160 headers.println("int flags;");
3161 headers.println("int numtags;");
3162 headers.println("int * tags;");
3163 headers.println("int numtaskfailures;");
3164 headers.println("struct taskfailure ** taskfailurearray;");
3165 headers.println("int numoptionaltaskdescriptors;");
3166 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3168 //STRUCT CLASSANALYSISWRAPPER
3169 headers.println("struct classanalysiswrapper{");
3170 headers.println("int type;");
3171 headers.println("int numotd;");
3172 headers.println("struct optionaltaskdescriptor ** otdarray;");
3173 headers.println("int numfsanalysiswrappers;");
3174 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3176 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3178 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3179 while(taskit.hasNext()) {
3180 TaskDescriptor td=(TaskDescriptor)taskit.next();
3181 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3186 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3187 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3188 int predicateindex = 0;
3189 //iterate through the classes concerned by the predicate
3190 Set c_vard = predicate.vardescriptors;
3191 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3194 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3195 VarDescriptor vard = (VarDescriptor)vard_it.next();
3196 TypeDescriptor typed = vard.getType();
3198 //generate for flags
3199 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3200 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3202 if (fen_hashset!=null) {
3203 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3204 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3206 DNFFlag dflag=fen.getDNF();
3207 numberterms+=dflag.size();
3209 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3211 for(int j=0; j<dflag.size(); j++) {
3213 output.println(",");
3214 Vector term=dflag.get(j);
3217 for(int k=0; k<term.size(); k++) {
3218 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3219 FlagDescriptor fd=dfa.getFlag();
3220 boolean negated=dfa.getNegated();
3221 int flagid=1<<((Integer)flags.get(fd)).intValue();
3226 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3231 output.println("};\n");
3234 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3235 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3238 for(int j=0; j<tagel.numTags(); j++) {
3240 output.println(",");
3241 TempDescriptor tmp=tagel.getTemp(j);
3242 if (!slotnumber.containsKey(tmp)) {
3243 Integer slotint=new Integer(current_slot++);
3244 slotnumber.put(tmp,slotint);
3246 int slot=slotnumber.get(tmp).intValue();
3247 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3249 numtags = tagel.numTags();
3251 output.println("};");
3253 //store the result into a predicatemember struct
3254 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3255 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3256 output.println("/* number of dnf terms */"+numberterms+",");
3257 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3258 output.println("/* number of tag */"+numtags+",");
3259 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3260 output.println("};\n");
3265 //generate an array that stores the entire predicate
3266 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3267 for( int j = 0; j<predicateindex; j++) {
3268 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3269 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3271 output.println("};\n");
3272 return predicateindex;
3276 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3277 generateOptionalHeader(headers);
3279 output.println("#include \"optionalstruct.h\"\n\n");
3280 output.println("#include \"stdlib.h\"\n");
3282 HashSet processedcd = new HashSet();
3284 Enumeration e = safeexecution.keys();
3285 while (e.hasMoreElements()) {
3288 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3289 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3291 //Generate the struct of optionals
3292 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3293 numotd = c_otd.size();
3294 if(maxotd<numotd) maxotd = numotd;
3295 if( !c_otd.isEmpty() ) {
3296 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3297 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3299 //generate the int arrays for the predicate
3300 Predicate predicate = otd.predicate;
3301 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3302 TreeSet<Integer> fsset=new TreeSet<Integer>();
3303 //iterate through possible FSes corresponding to
3304 //the state when entering
3306 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3307 FlagState fs = (FlagState)fses.next();
3309 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3310 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3311 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3314 fsset.add(new Integer(flagid));
3315 //tag information not needed because tag
3316 //changes are not tolerated.
3319 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3320 boolean needcomma=false;
3321 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3324 output.println(it.next());
3327 output.println("};\n");
3330 //generate optionaltaskdescriptor that actually
3331 //includes exit fses, predicate and the task
3333 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3334 output.println("&task_"+otd.td.getSafeSymbol()+",");
3335 output.println("/*index*/"+otd.getIndex()+",");
3336 output.println("/*number of enter flags*/"+fsset.size()+",");
3337 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3338 output.println("/*number of members */"+predicateindex+",");
3339 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3340 output.println("};\n");
3344 // if there are no optionals, there is no need to build the rest of the struct
3346 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3347 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3348 if( !c_otd.isEmpty() ) {
3349 boolean needcomma=false;
3350 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3351 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3353 output.println(",");
3355 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3358 output.println("};\n");
3360 //get all the possible flagstates reachable by an object
3361 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3363 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3364 fsts.addAll(hashtbtemp.keySet());
3365 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3366 FlagState fs = (FlagState)fsit.next();
3369 //get the set of OptionalTaskDescriptors corresponding
3370 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3371 //iterate through the OptionalTaskDescriptors and
3372 //store the pointers to the optionals struct (see on
3373 //top) into an array
3375 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3376 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3377 OptionalTaskDescriptor mm = mos.next();
3379 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3381 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3384 output.println("};\n");
3386 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3389 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3390 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3391 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3395 //process tag information
3398 boolean first = true;
3399 Enumeration tag_enum = fs.getTags();
3400 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3401 while(tag_enum.hasMoreElements()) {
3403 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3407 output.println(", ");
3408 output.println("/*tagid*/"+state.getTagId(tagd));
3410 output.println("};");
3412 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3413 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3414 TaskIndex ti=itti.next();
3418 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3420 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3421 boolean needcomma=false;
3422 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3423 OptionalTaskDescriptor otd=otdit.next();
3427 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3429 output.println("};");
3431 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3432 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3433 output.print(ti.getIndex()+", ");
3434 output.print(otdset.size()+", ");
3435 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3436 output.println("};");
3439 tiset=sa.getTaskIndex(fs);
3440 boolean needcomma=false;
3442 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3443 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3444 TaskIndex ti=itti.next();
3445 if (ti.isRuntime()) {
3452 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3454 output.println("};\n");
3456 //Store the result in fsanalysiswrapper
3458 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3459 output.println("/*flag*/"+flagid+",");
3460 output.println("/* number of tags*/"+tagcounter+",");
3461 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3462 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3463 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3464 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3465 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3466 output.println("};\n");
3470 //Build the array of fsanalysiswrappers
3471 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3472 boolean needcomma=false;
3473 for(int i = 0; i<fscounter; i++) {
3474 if (needcomma) output.print(",");
3475 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3478 output.println("};");
3480 //Build the classanalysiswrapper referring to the previous array
3481 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3482 output.println("/*type*/"+cdtemp.getId()+",");
3483 output.println("/*numotd*/"+numotd+",");
3484 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3485 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3486 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3487 processedcd.add(cdtemp);
3490 //build an array containing every classes for which code has been build
3491 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3492 for(int i=0; i<state.numClasses(); i++) {
3493 ClassDescriptor cn=cdarray[i];
3496 if ((cn != null) && (processedcd.contains(cn)))
3497 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3499 output.print("NULL");
3501 output.println("};");
3503 output.println("#define MAXOTD "+maxotd);
3504 headers.println("#endif");
3507 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3508 Relation r=new Relation();
3509 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3510 OptionalTaskDescriptor otd=otdit.next();
3511 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3515 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3516 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3517 Set s=r.get(it.next());
3518 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3519 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3527 // override these methods in a subclass of BuildCode
3528 // to generate code for additional systems
3529 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3531 protected void outputTransCode(PrintWriter output) {
3533 protected void buildCodeSetup() {
3535 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3537 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3539 protected void preCodeGenInitialization() {
3541 protected void postCodeGenCleanUp() {
3543 protected void additionalCodeGen(PrintWriter outmethodheader,
3544 PrintWriter outstructs,
3545 PrintWriter outmethod) {
3547 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3549 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3551 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3553 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3555 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3557 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3559 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3561 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3563 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3566 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3567 // we do not print out line number if no one explicitly set the number
3568 if(fn.getNumLine()!=-1){
3570 int lineNum=fn.getNumLine();
3572 // do not generate the line number if it is same as the previous one
3573 boolean needtoprint;
3574 if(fn.prev.size()==0){
3580 for(int i=0;i<fn.prev.size();i++){
3581 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3582 if(prevLineNum!=lineNum){
3588 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());