2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
9 import IR.Tree.JavaBuilder;
15 import Analysis.TaskStateAnalysis.FlagState;
16 import Analysis.TaskStateAnalysis.FlagComparator;
17 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
18 import Analysis.TaskStateAnalysis.Predicate;
19 import Analysis.TaskStateAnalysis.SafetyAnalysis;
20 import Analysis.TaskStateAnalysis.TaskIndex;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Loops.GlobalFieldType;
23 import Util.CodePrinter;
25 public class BuildCode {
28 Hashtable paramstable;
33 String localsprefix="___locals___";
34 String localsprefixaddr="&"+localsprefix;
35 String localsprefixderef=localsprefix+".";
36 String fcrevert="___fcrevert___";
37 String paramsprefix="___params___";
38 String nextobjstr="___nextobject___";
39 String localcopystr="___localcopy___";
40 public static boolean GENERATEPRECISEGC=false;
41 public static String PREFIX="";
42 public static String arraytype="ArrayObject";
43 public static int flagcount = 0;
45 public TypeUtil typeutil;
46 protected int maxtaskparams=0;
47 protected int maxcount=0;
48 ClassDescriptor[] cdarray;
49 ClassDescriptor[] ifarray;
50 TypeDescriptor[] arraytable;
53 Hashtable<String, ClassDescriptor> printedfieldstbl;
54 int globaldefscount=0;
55 boolean mgcstaticinit = false;
56 JavaBuilder javabuilder;
60 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph, JavaBuilder javabuilder) {
61 this(st, temptovar, typeutil, null, callgraph, javabuilder);
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
65 this(st, temptovar, typeutil, null, callgraph, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
69 this(st, temptovar, typeutil, sa, callgraph, null);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph, JavaBuilder javabuilder) {
75 this.javabuilder=javabuilder;
76 this.callgraph=callgraph;
77 this.temptovar=temptovar;
78 paramstable=new Hashtable();
79 tempstable=new Hashtable();
80 fieldorder=new Hashtable();
81 flagorder=new Hashtable();
82 this.typeutil=typeutil;
83 State.logEvent("Virtual");
84 virtualcalls=new Virtual(state, null, callgraph);
85 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
86 extensions = new Vector<BuildCodeExtension>();
89 typeutil.getClass( TypeUtil.ObjectClass ).getSafeSymbol();
92 /** The buildCode method outputs C code for all the methods. The Flat
93 * versions of the methods must already be generated and stored in
94 * the State object. */
96 public void buildCode() {
97 /* Create output streams to write to */
98 PrintWriter outclassdefs=null;
99 PrintWriter outstructs=null;
100 PrintWriter outrepairstructs=null;
101 PrintWriter outmethodheader=null;
102 PrintWriter outmethod=null;
103 PrintWriter outvirtual=null;
104 PrintWriter outtask=null;
105 PrintWriter outtaskdefs=null;
106 PrintWriter outoptionalarrays=null;
107 PrintWriter optionalheaders=null;
108 PrintWriter outglobaldefs=null;
109 PrintWriter outglobaldefsprim=null;
110 State.logEvent("Beginning of buildCode");
113 buildCodeSetup(); //EXTENSION POINT
114 for(BuildCodeExtension bcx: extensions) {
115 bcx.buildCodeSetup();
118 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
119 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
120 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
121 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
122 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
123 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
124 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
126 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
127 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
128 if (state.OPTIONAL) {
129 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
130 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
133 if (state.structfile!=null) {
134 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
136 } catch (Exception e) {
141 /* Fix field safe symbols due to shadowing */
142 FieldShadow.handleFieldShadow(state);
144 /* Build the virtual dispatch tables */
145 buildVirtualTables(outvirtual);
147 /* Tag the methods that are invoked by static blocks */
148 tagMethodInvokedByStaticBlock();
150 /* Output includes */
151 outmethodheader.println("#ifndef METHODHEADERS_H");
152 outmethodheader.println("#define METHODHEADERS_H");
153 outmethodheader.println("#include \"structdefs.h\"");
155 if (state.EVENTMONITOR) {
156 outmethodheader.println("#include \"monitor.h\"");
159 additionalIncludesMethodsHeader(outmethodheader);
160 for(BuildCodeExtension bcx: extensions) {
161 bcx.additionalIncludesMethodsHeader(outmethodheader);
164 /* Output Structures */
165 outputStructs(outstructs);
167 initOutputGlobals(outglobaldefs, outglobaldefsprim);
169 outclassdefs.println("#ifndef __CLASSDEF_H_");
170 outclassdefs.println("#define __CLASSDEF_H_");
171 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
173 // Output function prototypes and structures for parameters
174 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
175 while(it.hasNext()) {
176 ClassDescriptor cn=(ClassDescriptor)it.next();
177 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
179 outclassdefs.println("#include \"globaldefs.h\"");
180 outclassdefs.println("#include \"globaldefsprim.h\"");
181 outclassdefs.println("#endif");
182 outclassdefs.close();
184 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
187 /* Map flags to integers */
188 /* The runtime keeps track of flags using these integers */
189 it=state.getClassSymbolTable().getDescriptorsIterator();
190 while(it.hasNext()) {
191 ClassDescriptor cn=(ClassDescriptor)it.next();
195 generateTaskStructs(outstructs, outmethodheader);
197 /* Outputs generic task structures if this is a task
199 outputTaskTypes(outtask);
202 // an opportunity for subclasses to do extra
204 preCodeGenInitialization();
205 for(BuildCodeExtension bcx: extensions) {
206 bcx.preCodeGenInitialization();
209 State.logEvent("Start outputMethods");
210 /* Build the actual methods */
211 outputMethods(outmethod);
212 State.logEvent("End outputMethods");
214 // opportunity for subclasses to gen extra code
215 additionalCodeGen(outmethodheader, outstructs, outmethod);
216 for(BuildCodeExtension bcx: extensions) {
217 bcx.additionalCodeGen(outmethodheader, outstructs, outmethod);
221 /* Output code for tasks */
222 outputTaskCode(outtaskdefs, outmethod);
225 /* Record maximum number of task parameters */
226 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
227 } else if (state.main!=null) {
228 /* Generate main method */
229 outputMainMethod(outmethod);
232 /* Generate information for task with optional parameters */
233 if (state.TASK&&state.OPTIONAL) {
234 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
235 outoptionalarrays.close();
236 optionalheaders.close();
239 /* Output structure definitions for repair tool */
240 if (state.structfile!=null) {
241 buildRepairStructs(outrepairstructs);
242 outrepairstructs.close();
246 outmethodheader.println("#endif");
247 outmethodheader.close();
249 outstructs.println("#endif");
250 outstructs.println();
253 postCodeGenCleanUp();
254 for(BuildCodeExtension bcx: extensions) {
255 bcx.postCodeGenCleanUp();
258 State.logEvent("End of buildCode");
261 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
262 // Output the C class declarations
263 // These could mutually reference each other
264 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
265 outglobaldefs.println("#define __GLOBALDEF_H_");
266 outglobaldefs.println("");
267 outglobaldefs.println("struct global_defs_t {");
268 outglobaldefs.println(" int size;");
269 outglobaldefs.println(" void * next;");
270 outglobaldefs.println(" struct ArrayObject * classobjs;");
271 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
272 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
273 outglobaldefsprim.println("");
274 outglobaldefsprim.println("struct global_defsprim_t {");
277 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
278 outglobaldefs.println("};");
279 outglobaldefs.println("");
280 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
281 outglobaldefs.println("#endif");
282 outglobaldefs.flush();
283 outglobaldefs.close();
285 outglobaldefsprim.println("};");
286 outglobaldefsprim.println("");
287 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
288 outglobaldefsprim.println("#endif");
289 outglobaldefsprim.flush();
290 outglobaldefsprim.close();
293 /* This method goes though the call graph and tag those methods that are
294 * invoked inside static blocks
296 protected void tagMethodInvokedByStaticBlock() {
297 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
298 MethodDescriptor current_md=null;
299 HashSet tovisit=new HashSet();
300 HashSet visited=new HashSet();
302 while(it_sclasses.hasNext()) {
303 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
304 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
310 while(!tovisit.isEmpty()) {
311 current_md=(MethodDescriptor)tovisit.iterator().next();
312 tovisit.remove(current_md);
313 visited.add(current_md);
314 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
315 while(it_callee.hasNext()) {
316 Descriptor d = (Descriptor)it_callee.next();
317 if(d instanceof MethodDescriptor) {
318 if(!visited.contains(d)) {
319 ((MethodDescriptor)d).setIsInvokedByStatic(true);
327 /* This code generates code for each static block and static field
329 protected void outputStaticBlocks(PrintWriter outmethod) {
330 // execute all the static blocks and all the static field initializations
331 // execute all the static blocks and all the static field initializations
332 SymbolTable sctbl = this.state.getSClassSymbolTable();
333 Iterator it_sclasses = sctbl.getDescriptorsIterator();
334 if(it_sclasses.hasNext()) {
335 while(it_sclasses.hasNext()) {
336 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
337 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
339 if(t_md != null&&callgraph.isInit(t_cd)) {
340 outmethod.println(" {");
341 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
342 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
343 outmethod.println("0, NULL};");
344 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
346 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
348 outmethod.println(" }");
354 /* This code generates code to create a Class object for each class for
357 protected void outputClassObjects(PrintWriter outmethod) {
358 // create a global classobj array
359 outmethod.println(" {");
360 outmethod.println(" int i = 0;");
361 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
362 outmethod.println(" struct garbagelist dummy={0,NULL};");
363 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
364 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
366 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
367 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
369 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
370 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
371 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
373 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
375 outmethod.println(" }");
376 outmethod.println(" }");
379 /* This code just generates the main C method for java programs.
380 * The main C method packs up the arguments into a string array
381 * and passes it to the java main method. */
383 protected void outputMainMethod(PrintWriter outmethod) {
384 outmethod.println("int main(int argc, const char *argv[]) {");
385 outmethod.println(" int i;");
387 outmethod.println("initializethreads();");
389 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
390 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
391 if (GENERATEPRECISEGC) {
392 outmethod.println(" global_defs_p->size="+globaldefscount+";");
393 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
394 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
395 outmethod.println(" }");
397 outputStaticBlocks(outmethod);
398 outputClassObjects(outmethod);
401 additionalCodeAtTopOfMain(outmethod);
402 for(BuildCodeExtension bcx: extensions) {
403 bcx.additionalCodeAtTopOfMain(outmethod);
407 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
408 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
410 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
412 outmethod.println(" for(i=1;i<argc;i++) {");
413 outmethod.println(" int length=strlen(argv[i]);");
415 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
416 String stringclassstring="struct "+stringclass.getSafeSymbol();
418 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
419 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
421 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
423 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
424 outmethod.println(" }");
427 additionalCodeForCommandLineArgs(outmethod, "stringarray");
428 for(BuildCodeExtension bcx: extensions) {
429 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
433 MethodDescriptor md=typeutil.getMain();
434 ClassDescriptor cd=typeutil.getMainClass();
436 outmethod.println(" {");
437 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
438 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
439 outmethod.println("1, NULL,"+"stringarray};");
440 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
442 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
444 outmethod.println(" }");
447 outmethod.println("pthread_mutex_lock(&gclistlock);");
448 outmethod.println("threadcount--;");
449 outmethod.println("pthread_cond_signal(&gccond);");
450 outmethod.println("pthread_mutex_unlock(&gclistlock);");
453 if (state.EVENTMONITOR) {
454 outmethod.println("dumpdata();");
458 outmethod.println("pthread_exit(NULL);");
461 additionalCodeAtBottomOfMain(outmethod);
462 for(BuildCodeExtension bcx: extensions) {
463 bcx.additionalCodeAtBottomOfMain(outmethod);
467 outmethod.println("}");
470 /* This method outputs code for each task. */
472 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
473 /* Compile task based program */
474 outtaskdefs.println("#include \"task.h\"");
475 outtaskdefs.println("#include \"methodheaders.h\"");
476 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
477 while(taskit.hasNext()) {
478 TaskDescriptor td=(TaskDescriptor)taskit.next();
479 FlatMethod fm=state.getMethodFlat(td);
481 generateFlatMethod(fm, outmethod);
482 generateTaskDescriptor(outtaskdefs, fm, td);
485 //Output task descriptors
486 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
487 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
489 while(taskit.hasNext()) {
490 TaskDescriptor td=(TaskDescriptor)taskit.next();
494 outtaskdefs.println(",");
495 outtaskdefs.print("&task_"+td.getSafeSymbol());
497 outtaskdefs.println("};");
499 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
503 /* This method outputs most of the methods.c file. This includes
504 * some standard includes and then an array with the sizes of
505 * objets and array that stores supertype and then the code for
506 * the Java methods.. */
507 protected void outputMethods(PrintWriter outmethod) {
508 outmethod.println("#include \"methodheaders.h\"");
509 outmethod.println("#include \"virtualtable.h\"");
510 outmethod.println("#include \"runtime.h\"");
512 outmethod.println("#include \"jni-private.h\"");
515 // always include: compiler directives will leave out
516 // instrumentation when option is not set
517 if(!state.MULTICORE) {
518 outmethod.println("#include \"coreprof/coreprof.h\"");
521 if (state.FASTCHECK) {
522 outmethod.println("#include \"localobjects.h\"");
524 if(state.MULTICORE) {
526 outmethod.println("#include \"task.h\"");
528 outmethod.println("#include \"multicoreruntime.h\"");
529 outmethod.println("#include \"runtime_arch.h\"");
531 if (state.THREAD||state.DSM||state.SINGLETM) {
532 outmethod.println("#include <thread.h>");
535 outmethod.println("#include \"thread.h\"");
537 if (state.main!=null) {
538 outmethod.println("#include <string.h>");
540 if (state.SSJAVA_GENCODE_PREVENT_CRASHES){
541 outmethod.println("#include <stdio.h>");
543 if (state.CONSCHECK) {
544 outmethod.println("#include \"checkers.h\"");
547 additionalIncludesMethodsImplementation(outmethod);
548 for(BuildCodeExtension bcx: extensions) {
549 bcx.additionalIncludesMethodsImplementation(outmethod);
552 outmethod.println("struct global_defs_t * global_defs_p;");
553 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
554 //Store the sizes of classes & array elements
555 generateSizeArray(outmethod);
557 //Store table of supertypes
558 generateSuperTypeTable(outmethod);
560 //Store the layout of classes
561 generateLayoutStructs(outmethod);
564 additionalCodeAtTopMethodsImplementation(outmethod);
565 for(BuildCodeExtension bcx: extensions) {
566 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
570 generateMethods(outmethod);
573 protected void generateMethods(PrintWriter outmethod) {
574 /* Generate code for methods */
575 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
576 while(classit.hasNext()) {
577 ClassDescriptor cn=(ClassDescriptor)classit.next();
578 Iterator methodit=cn.getMethods();
579 while(methodit.hasNext()) {
580 /* Classify parameters */
581 MethodDescriptor md=(MethodDescriptor)methodit.next();
582 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
586 FlatMethod fm=state.getMethodFlat(md);
587 if (!md.getModifiers().isNative()) {
588 generateFlatMethod(fm, outmethod);
589 } else if (state.JNI) {
590 generateNativeFlatMethod(fm, outmethod);
596 protected void outputStructs(PrintWriter outstructs) {
597 outstructs.println("#ifndef __STRUCTDEFS_H__");
598 outstructs.println("#define __STRUCTDEFS_H__");
599 outstructs.println("#include \"classdefs.h\"");
600 outstructs.println("#ifndef INTPTR");
601 outstructs.println("#ifdef BIT64");
602 outstructs.println("#define INTPTR long");
603 outstructs.println("#else");
604 outstructs.println("#define INTPTR int");
605 outstructs.println("#endif");
606 outstructs.println("#endif");
609 additionalIncludesStructsHeader(outstructs);
610 for(BuildCodeExtension bcx: extensions) {
611 bcx.additionalIncludesStructsHeader(outstructs);
615 /* Output #defines that the runtime uses to determine type
616 * numbers for various objects it needs */
617 outstructs.println("#define MAXCOUNT "+maxcount);
619 outstructs.println("#define STRINGARRAYTYPE "+
620 (state.getArrayNumber(
621 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
623 outstructs.println("#define OBJECTARRAYTYPE "+
624 (state.getArrayNumber(
625 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
628 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
629 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
630 outstructs.println("#define CHARARRAYTYPE "+
631 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
633 outstructs.println("#define BYTEARRAYTYPE "+
634 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
636 outstructs.println("#define BYTEARRAYARRAYTYPE "+
637 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
639 outstructs.println("#define NUMCLASSES "+state.numClasses());
640 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
641 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
643 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
644 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
645 outstructs.println("#define TAGARRAYTYPE "+
646 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
650 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
651 if (state.THREAD||state.DSM||state.SINGLETM)
652 outclassdefs.println("#include <pthread.h>");
653 outclassdefs.println("#ifndef INTPTR");
654 outclassdefs.println("#ifdef BIT64");
655 outclassdefs.println("#define INTPTR long");
656 outclassdefs.println("#else");
657 outclassdefs.println("#define INTPTR int");
658 outclassdefs.println("#endif");
659 outclassdefs.println("#endif");
661 outclassdefs.println("#include \"optionalstruct.h\"");
662 outclassdefs.println("struct "+arraytype+";");
663 /* Start by declaring all structs */
664 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
665 while(it.hasNext()) {
666 ClassDescriptor cn=(ClassDescriptor)it.next();
667 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
669 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
670 // this class has static fields/blocks, need to add a global flag to
671 // indicate if its static fields have been initialized and/or if its
672 // static blocks have been executed
673 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
676 outclassdefs.println("");
677 //Print out definition for array type
678 outclassdefs.println("struct "+arraytype+" {");
679 outclassdefs.println(" int type;");
680 outclassdefs.println(" int hashcode;");
683 additionalClassObjectFields(outclassdefs);
684 for(BuildCodeExtension bcx: extensions) {
685 bcx.additionalClassObjectFields(outclassdefs);
689 if (state.EVENTMONITOR) {
690 outclassdefs.println(" int objuid;");
693 outclassdefs.println(" volatile int tid;");
694 outclassdefs.println(" volatile int notifycount;");
697 outclassdefs.println(" int mutex;");
698 outclassdefs.println(" volatile int notifycount;");
699 outclassdefs.println(" volatile int objlock;");
700 if(state.MULTICOREGC) {
701 //outclassdefs.println(" int marked;");
704 outclassdefs.println(" int marked;");
705 outclassdefs.println(" void * backward;");
709 outclassdefs.println(" int flag;");
710 outclassdefs.println(" int ___cachedCode___;");
711 if(!state.MULTICORE) {
712 outclassdefs.println(" void * flagptr;");
714 outclassdefs.println(" int version;");
715 outclassdefs.println(" int * lock;"); // lock entry for this obj
716 outclassdefs.println(" int mutex;");
717 outclassdefs.println(" volatile int lockcount;");
718 if(state.MULTICOREGC) {
719 //outclassdefs.println(" int marked;");
722 outclassdefs.println(" int marked;");
723 outclassdefs.println(" void * backward;");
727 outclassdefs.println(" int numfses;");
728 outclassdefs.println(" int * fses;");
732 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
733 printedfieldstbl.clear();
735 printExtraArrayFields(outclassdefs);
736 for(BuildCodeExtension bcx: extensions) {
737 bcx.printExtraArrayFields(outclassdefs);
740 if (state.ARRAYPAD) {
741 outclassdefs.println(" int paddingforarray;");
744 outclassdefs.println(" int ___length___;");
745 outclassdefs.println("};\n");
747 outclassdefs.println("");
748 outclassdefs.println("extern int classsize[];");
749 outclassdefs.println("extern int hasflags[];");
750 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
751 outclassdefs.println("extern int* supertypes[];");
752 outclassdefs.println("");
755 /** Prints out definitions for generic task structures */
757 protected void outputTaskTypes(PrintWriter outtask) {
758 outtask.println("#ifndef _TASK_H");
759 outtask.println("#define _TASK_H");
760 outtask.println("struct parameterdescriptor {");
761 outtask.println("int type;");
762 outtask.println("int numberterms;");
763 outtask.println("int *intarray;");
764 outtask.println("void * queue;");
765 outtask.println("int numbertags;");
766 outtask.println("int *tagarray;");
767 outtask.println("};");
769 outtask.println("struct taskdescriptor {");
770 outtask.println("void * taskptr;");
771 outtask.println("int numParameters;");
772 outtask.println(" int numTotal;");
773 outtask.println("struct parameterdescriptor **descriptorarray;");
774 outtask.println("char * name;");
775 outtask.println("};");
776 outtask.println("extern struct taskdescriptor * taskarray[];");
777 outtask.println("extern numtasks;");
778 outtask.println("#endif");
782 protected void buildRepairStructs(PrintWriter outrepairstructs) {
783 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
784 while(classit.hasNext()) {
785 ClassDescriptor cn=(ClassDescriptor)classit.next();
786 outrepairstructs.println("structure "+cn.getSymbol()+" {");
787 outrepairstructs.println(" int __type__;");
789 outrepairstructs.println(" int __flag__;");
790 if(!state.MULTICORE) {
791 outrepairstructs.println(" int __flagptr__;");
794 printRepairStruct(cn, outrepairstructs);
795 outrepairstructs.println("}\n");
798 for(int i=0; i<state.numArrays(); i++) {
799 TypeDescriptor tdarray=arraytable[i];
800 TypeDescriptor tdelement=tdarray.dereference();
801 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
802 outrepairstructs.println(" int __type__;");
803 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
804 outrepairstructs.println(" int length;");
805 outrepairstructs.println("}\n");
809 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
810 ClassDescriptor sp=cn.getSuperDesc();
812 printRepairStruct(sp, output);
814 Vector fields=(Vector)fieldorder.get(cn);
816 for(int i=0; i<fields.size(); i++) {
817 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
818 if (fd.getType().isArray()) {
819 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
820 } else if (fd.getType().isClass())
821 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
822 else if (fd.getType().isFloat())
823 output.println(" int "+fd.getSymbol()+"; /* really float */");
825 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
829 /** This method outputs TaskDescriptor information */
830 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
831 for (int i=0; i<task.numParameters(); i++) {
832 VarDescriptor param_var=task.getParameter(i);
833 TypeDescriptor param_type=task.getParamType(i);
834 FlagExpressionNode param_flag=task.getFlag(param_var);
835 TagExpressionList param_tag=task.getTag(param_var);
838 if (param_flag==null) {
839 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
840 output.println("0x0, 0x0 };");
843 DNFFlag dflag=param_flag.getDNF();
844 dnfterms=dflag.size();
846 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
847 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
848 for(int j=0; j<dflag.size(); j++) {
851 Vector term=dflag.get(j);
854 for(int k=0; k<term.size(); k++) {
855 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
856 FlagDescriptor fd=dfa.getFlag();
857 boolean negated=dfa.getNegated();
858 int flagid=1<<((Integer)flags.get(fd)).intValue();
863 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
865 output.println("};");
868 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
870 for(int j=0; j<param_tag.numTags(); j++) {
873 /* for each tag we need */
874 /* which slot it is */
875 /* what type it is */
876 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
877 TempDescriptor tmp=param_tag.getTemp(j);
878 int slot=fm.getTagInt(tmp);
879 output.println(slot+", "+state.getTagId(tvd.getTag()));
881 output.println("};");
883 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
884 output.println("/* type */"+param_type.getClassDesc().getId()+",");
885 output.println("/* number of DNF terms */"+dnfterms+",");
886 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
887 output.println("0,");
889 output.println("/* number of tags */"+param_tag.numTags()+",");
891 output.println("/* number of tags */ 0,");
892 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
893 output.println("};");
897 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
898 for (int i=0; i<task.numParameters(); i++) {
901 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
903 output.println("};");
905 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
906 output.println("&"+task.getSafeSymbol()+",");
907 output.println("/* number of parameters */" +task.numParameters() + ",");
908 int numtotal=task.numParameters()+fm.numTags();
909 output.println("/* number total parameters */" +numtotal + ",");
910 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
911 output.println("\""+task.getSymbol()+"\"");
912 output.println("};");
916 /** The buildVirtualTables method outputs the virtual dispatch
917 * tables for methods. */
919 protected void buildVirtualTables(PrintWriter outvirtual) {
920 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
921 while(classit.hasNext()) {
922 ClassDescriptor cd=(ClassDescriptor)classit.next();
923 if (virtualcalls.getMethodCount(cd)>maxcount)
924 maxcount=virtualcalls.getMethodCount(cd);
926 MethodDescriptor[][] virtualtable=null;
927 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
929 /* Fill in virtual table */
930 classit=state.getClassSymbolTable().getDescriptorsIterator();
931 while(classit.hasNext()) {
932 ClassDescriptor cd=(ClassDescriptor)classit.next();
933 if(cd.isInterface()) {
936 fillinRow(cd, virtualtable, cd.getId());
939 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
940 Iterator arrayit=state.getArrayIterator();
941 while(arrayit.hasNext()) {
942 TypeDescriptor td=(TypeDescriptor)arrayit.next();
943 int id=state.getArrayNumber(td);
944 fillinRow(objectcd, virtualtable, id+state.numClasses());
947 outvirtual.print("void * virtualtable[]={");
948 boolean needcomma=false;
949 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
950 for(int j=0; j<maxcount; j++) {
952 outvirtual.print(", ");
953 if (virtualtable[i][j]!=null) {
954 MethodDescriptor md=virtualtable[i][j];
955 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
957 outvirtual.print("0");
961 outvirtual.println("");
963 outvirtual.println("};");
967 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
968 /* Get inherited methods */
969 Iterator it_sifs = cd.getSuperInterfaces();
970 while(it_sifs.hasNext()) {
971 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
972 fillinRow(superif, virtualtable, rownum);
974 if (cd.getSuperDesc()!=null)
975 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
976 /* Override them with our methods */
977 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
978 MethodDescriptor md=(MethodDescriptor)it.next();
979 if (md.isStatic()||md.getReturnType()==null)
982 if (!callgraph.isCallable(md)) {
986 int methodnum = virtualcalls.getMethodNumber(md);
987 virtualtable[rownum][methodnum]=md;
991 /** Generate array that contains the sizes of class objects. The
992 * object allocation functions in the runtime use this
995 protected void generateSizeArray(PrintWriter outclassdefs) {
996 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
998 generateSizeArrayExtensions(outclassdefs);
999 for(BuildCodeExtension bcx: extensions) {
1000 bcx.generateSizeArrayExtensions(outclassdefs);
1003 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1004 cdarray=new ClassDescriptor[state.numClasses()];
1005 ifarray = new ClassDescriptor[state.numInterfaces()];
1008 while(it.hasNext()) {
1009 ClassDescriptor cd=(ClassDescriptor)it.next();
1010 if(cd.isInterface()) {
1011 ifarray[cd.getId()] = cd;
1013 cdarray[cd.getId()] = cd;
1017 arraytable=new TypeDescriptor[state.numArrays()];
1019 Iterator arrayit=state.getArrayIterator();
1020 while(arrayit.hasNext()) {
1021 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1022 int id=state.getArrayNumber(td);
1026 /* Print out types */
1027 outclassdefs.println("/* ");
1028 for(int i=0; i<state.numClasses(); i++) {
1029 ClassDescriptor cd=cdarray[i];
1031 outclassdefs.println("NULL " + i);
1033 outclassdefs.println(cd +" "+i);
1037 for(int i=0; i<state.numArrays(); i++) {
1038 TypeDescriptor arraytd=arraytable[i];
1039 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1042 for(int i=0; i<state.numInterfaces(); i++) {
1043 ClassDescriptor ifcd = ifarray[i];
1044 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1047 outclassdefs.println("*/");
1050 outclassdefs.print("int classsize[]={");
1052 boolean needcomma=false;
1053 for(int i=0; i<state.numClasses(); i++) {
1055 outclassdefs.print(", ");
1057 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1059 outclassdefs.print("0");
1065 for(int i=0; i<state.numArrays(); i++) {
1067 outclassdefs.print(", ");
1068 TypeDescriptor tdelement=arraytable[i].dereference();
1069 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1070 outclassdefs.print("sizeof(void *)");
1072 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1076 for(int i=0; i<state.numInterfaces(); i++) {
1078 outclassdefs.print(", ");
1079 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1083 outclassdefs.println("};");
1085 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1087 outclassdefs.print("int typearray[]={");
1088 for(int i=0; i<state.numClasses(); i++) {
1089 ClassDescriptor cd=cdarray[i];
1090 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1091 if(supercd != null && supercd.isInterface()) {
1092 throw new Error("Super class can not be interfaces");
1095 outclassdefs.print(", ");
1097 outclassdefs.print("-1");
1099 outclassdefs.print(supercd.getId());
1103 for(int i=0; i<state.numArrays(); i++) {
1104 TypeDescriptor arraytd=arraytable[i];
1105 ClassDescriptor arraycd=arraytd.getClassDesc();
1106 if (arraycd==null) {
1108 outclassdefs.print(", ");
1109 outclassdefs.print(objectclass.getId());
1113 ClassDescriptor cd=arraycd.getSuperDesc();
1116 TypeDescriptor supertd=new TypeDescriptor(cd);
1117 supertd.setArrayCount(arraytd.getArrayCount());
1118 type=state.getArrayNumber(supertd);
1120 type+=state.numClasses();
1123 cd=cd.getSuperDesc();
1126 outclassdefs.print(", ");
1127 outclassdefs.print(type);
1131 for(int i=0; i<state.numInterfaces(); i++) {
1132 ClassDescriptor cd=ifarray[i];
1133 ClassDescriptor supercd=cd.getSuperDesc();
1134 if(supercd != null && supercd.isInterface()) {
1135 throw new Error("Super class can not be interfaces");
1138 outclassdefs.print(", ");
1140 outclassdefs.print("-1");
1142 outclassdefs.print(supercd.getId());
1146 outclassdefs.println("};");
1151 outclassdefs.print("int typearray2[]={");
1152 for(int i=0; i<state.numArrays(); i++) {
1153 TypeDescriptor arraytd=arraytable[i];
1154 ClassDescriptor arraycd=arraytd.getClassDesc();
1155 if (arraycd==null) {
1157 outclassdefs.print(", ");
1158 outclassdefs.print("-1");
1162 ClassDescriptor cd=arraycd.getSuperDesc();
1163 int level=arraytd.getArrayCount()-1;
1165 for(; level>0; level--) {
1166 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1167 supertd.setArrayCount(level);
1168 type=state.getArrayNumber(supertd);
1170 type+=state.numClasses();
1175 outclassdefs.print(", ");
1176 outclassdefs.print(type);
1180 outclassdefs.println("};");
1183 /** Constructs params and temp objects for each method or task.
1184 * These objects tell the compiler which temps need to be
1187 protected void generateTempStructs(FlatMethod fm) {
1188 MethodDescriptor md=fm.getMethod();
1189 TaskDescriptor task=fm.getTask();
1190 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1192 paramstable.put(md, objectparams);
1194 paramstable.put(task, objectparams);
1196 for(int i=0; i<fm.numParameters(); i++) {
1197 TempDescriptor temp=fm.getParameter(i);
1198 TypeDescriptor type=temp.getType();
1199 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1200 objectparams.addPtr(temp);
1202 objectparams.addPrim(temp);
1205 for(int i=0; i<fm.numTags(); i++) {
1206 TempDescriptor temp=fm.getTag(i);
1207 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
1208 objectparams.addPtr(temp);
1210 objectparams.addPrim(temp);
1213 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1215 tempstable.put(md, objecttemps);
1217 tempstable.put(task, objecttemps);
1219 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1220 FlatNode fn=(FlatNode)nodeit.next();
1221 TempDescriptor[] writes=fn.writesTemps();
1222 for(int i=0; i<writes.length; i++) {
1223 TempDescriptor temp=writes[i];
1224 TypeDescriptor type=temp.getType();
1225 if (type.isPtr()&&((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC))
1226 objecttemps.addPtr(temp);
1228 objecttemps.addPrim(temp);
1233 /** This method outputs the following information about classes
1235 * (1) For classes, what are the locations of pointers.
1236 * (2) For arrays, does the array contain pointers or primitives.
1237 * (3) For classes, does the class contain flags.
1240 protected void generateLayoutStructs(PrintWriter output) {
1241 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1242 while(it.hasNext()) {
1243 ClassDescriptor cn=(ClassDescriptor)it.next();
1244 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1245 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1246 output.println("0};");
1251 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1252 FieldDescriptor fd=(FieldDescriptor)allit.next();
1256 TypeDescriptor type=fd.getType();
1261 // the lock field is also a pointer
1264 output.print(count);
1265 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1266 FieldDescriptor fd=(FieldDescriptor)allit.next();
1270 TypeDescriptor type=fd.getType();
1273 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1274 fd.getSafeSymbol()+"))");
1278 // output the lock field
1280 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1282 output.println("};");
1285 output.println("unsigned INTPTR * pointerarray[]={");
1286 boolean needcomma=false;
1287 for(int i=0; i<state.numClasses(); i++) {
1288 ClassDescriptor cn=cdarray[i];
1290 output.println(",");
1293 output.print(cn.getSafeSymbol()+"_pointers");
1295 output.print("NULL");
1299 for(int i=0; i<state.numArrays(); i++) {
1301 output.println(", ");
1302 TypeDescriptor tdelement=arraytable[i].dereference();
1303 if (tdelement.isArray()||tdelement.isClass())
1304 output.print("((unsigned INTPTR *)1)");
1310 output.println("};");
1312 output.println("int hasflags[]={");
1313 for(int i=0; i<state.numClasses(); i++) {
1314 ClassDescriptor cn=cdarray[i];
1316 output.println(", ");
1318 if ((cn != null) && (cn.hasFlags()))
1323 output.println("};");
1326 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1329 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1330 supertd.setArrayCount(arraytd.getArrayCount());
1331 type=state.getArrayNumber(supertd);
1336 ClassDescriptor cd = arraycd.getSuperDesc();
1338 type = checkarraysupertype(cd, arraytd);
1344 Iterator it_sifs = arraycd.getSuperInterfaces();
1345 while(it_sifs.hasNext()) {
1346 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1347 type = checkarraysupertype(ifcd, arraytd);
1357 /** Print out table to give us supertypes */
1358 protected void generateSuperTypeTable(PrintWriter output) {
1359 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1360 for(int i=0; i<state.numClasses(); i++) {
1361 ClassDescriptor cn=cdarray[i];
1365 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1366 boolean ncomma = false;
1368 if((cn != null) && (cn.getSuperDesc() != null)) {
1371 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1372 while(it_sifs != null && it_sifs.hasNext()) {
1378 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1382 ClassDescriptor cdsuper=cn.getSuperDesc();
1383 output.print(cdsuper.getId());
1385 it_sifs = cn != null?cn.getSuperInterfaces():null;
1386 while(it_sifs != null && it_sifs.hasNext()) {
1390 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1393 output.println("};");
1396 for(int i=0; i<state.numArrays(); i++) {
1397 TypeDescriptor arraytd=arraytable[i];
1398 ClassDescriptor arraycd=arraytd.getClassDesc();
1399 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1400 boolean ncomma = false;
1402 if (arraycd==null) {
1406 output.print(objectclass.getId());
1407 output.println("};");
1410 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1413 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1414 while(it_sifs != null && it_sifs.hasNext()) {
1420 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1421 ClassDescriptor cd=arraycd.getSuperDesc();
1424 type = checkarraysupertype(cd, arraytd);
1426 type += state.numClasses();
1433 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1434 while(it_sifs != null && it_sifs.hasNext()) {
1435 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1436 int type = checkarraysupertype(ifcd, arraytd);
1438 type += state.numClasses();
1444 output.println("};");
1447 for(int i=0; i<state.numInterfaces(); i++) {
1448 ClassDescriptor cn=ifarray[i];
1452 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1453 boolean ncomma = false;
1455 if((cn != null) && (cn.getSuperDesc() != null)) {
1458 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1459 while(it_sifs != null && it_sifs.hasNext()) {
1465 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1469 ClassDescriptor cdsuper=cn.getSuperDesc();
1470 output.print(cdsuper.getId());
1472 it_sifs = cn != null?cn.getSuperInterfaces():null;
1473 while(it_sifs != null && it_sifs.hasNext()) {
1477 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1480 output.println("};");
1483 output.println("int* supertypes[]={");
1484 boolean needcomma=false;
1485 for(int i=0; i<state.numClasses(); i++) {
1486 ClassDescriptor cn=cdarray[i];
1488 output.println(",");
1491 output.print("supertypes" + cn.getSafeSymbol());
1497 for(int i=0; i<state.numArrays(); i++) {
1499 output.println(",");
1501 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1504 for(int i=0; i<state.numInterfaces(); i++) {
1505 ClassDescriptor cn=ifarray[i];
1507 output.println(",");
1509 output.print("supertypes" + cn.getSafeSymbol());
1511 output.println("};");
1514 /** Force consistent field ordering between inherited classes. */
1516 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1518 ClassDescriptor sp=cn.getSuperDesc();
1520 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1522 SymbolTable sitbl = cn.getSuperInterfaceTable();
1523 Iterator it_sifs = sitbl.getDescriptorsIterator();
1524 while(it_sifs.hasNext()) {
1525 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1526 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1529 if (!fieldorder.containsKey(cn)) {
1530 Vector fields=new Vector();
1531 fieldorder.put(cn,fields);
1533 Vector fieldvec=cn.getFieldVec();
1535 for(int i=0; i<fieldvec.size(); i++) {
1536 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1537 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1540 it_sifs = sitbl.getDescriptorsIterator();
1541 while(it_sifs.hasNext()) {
1542 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1543 if(si.getFieldTable().contains(fd.getSymbol())) {
1551 //Vector fields=(Vector)fieldorder.get(cn);
1553 Vector fields = cn.getFieldVec();
1555 for(int i=0; i<fields.size(); i++) {
1556 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1557 String fstring = fd.getSafeSymbol();
1558 if(printedfieldstbl.containsKey(fstring)) {
1559 printedfieldstbl.put(fstring, cn);
1562 printedfieldstbl.put(fstring, cn);
1564 if (fd.getType().isClass()
1565 && fd.getType().getClassDesc().isEnum()) {
1566 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1567 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1568 if (fd.isStatic()) {
1569 // TODO add version for normal Java later
1571 if(globaldefout != null) {
1572 if(fd.isVolatile()) {
1573 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1575 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1579 } else if (fd.isVolatile()) {
1581 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1583 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1585 } else if (fd.isStatic()) {
1586 // TODO add version for normal Java later
1588 if(globaldefout != null) {
1589 if(fd.isVolatile()) {
1590 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1592 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1595 } else if (fd.isVolatile()) {
1597 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1599 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1604 /* Map flags to integers consistently between inherited
1607 protected void mapFlags(ClassDescriptor cn) {
1608 ClassDescriptor sp=cn.getSuperDesc();
1612 if (!flagorder.containsKey(cn)) {
1613 Hashtable flags=new Hashtable();
1614 flagorder.put(cn,flags);
1616 Hashtable superflags=(Hashtable)flagorder.get(sp);
1617 Iterator superflagit=superflags.keySet().iterator();
1618 while(superflagit.hasNext()) {
1619 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1620 Integer number=(Integer)superflags.get(fd);
1621 flags.put(fd, number);
1622 if ((number.intValue()+1)>max)
1623 max=number.intValue()+1;
1627 Iterator flagit=cn.getFlags();
1628 while(flagit.hasNext()) {
1629 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1630 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1631 flags.put(fd, new Integer(max++));
1637 /** This function outputs (1) structures that parameters are
1638 * passed in (when PRECISE GC is enabled) and (2) function
1639 * prototypes for the methods */
1641 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1642 /* Output class structure */
1643 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1644 classdefout.println(" int type;");
1645 classdefout.println(" int hashcode;");
1647 additionalClassObjectFields(classdefout);
1648 for(BuildCodeExtension bcx: extensions) {
1649 bcx.additionalClassObjectFields(classdefout);
1653 if (state.EVENTMONITOR) {
1654 classdefout.println(" int objuid;");
1657 classdefout.println(" volatile int tid;");
1658 classdefout.println(" volatile int notifycount;");
1661 classdefout.println(" int mutex;");
1662 classdefout.println(" volatile int notifycount;");
1663 classdefout.println(" volatile int objlock;");
1664 if(state.MULTICOREGC) {
1665 //classdefout.println(" int marked;");
1668 classdefout.println(" int marked;");
1669 classdefout.println(" void * backward;");
1673 classdefout.println(" int flag;");
1674 classdefout.println(" int ___cachedCode___;");
1675 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1676 classdefout.println(" void * flagptr;");
1678 if (state.MULTICORE) {
1679 classdefout.println(" int version;");
1680 classdefout.println(" int * lock;"); // lock entry for this obj
1681 classdefout.println(" int mutex;");
1682 classdefout.println(" volatile int lockcount;");
1683 if(state.MULTICOREGC) {
1684 //classdefout.println(" int marked;");
1687 classdefout.println(" int marked;");
1688 classdefout.println(" void * backward;");
1691 if (state.OPTIONAL) {
1692 classdefout.println(" int numfses;");
1693 classdefout.println(" int * fses;");
1696 if (javabuilder==null||javabuilder.hasLayout(cn))
1697 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1699 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1700 classdefout.println("};\n");
1701 generateCallStructsMethods(cn, output, headersout);
1705 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1706 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1707 MethodDescriptor md=(MethodDescriptor)methodit.next();
1709 FlatMethod fm=state.getMethodFlat(md);
1711 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1712 if (callgraph.isCalled(md)) {
1713 generateTempStructs(fm);
1714 generateMethodParam(cn, md, output);
1719 generateTempStructs(fm);
1720 generateMethodParam(cn, md, output);
1722 generateMethod(cn, md, headersout, output);
1726 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1727 /* Output parameter structure */
1728 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1729 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1730 // generate the staticinit version
1731 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1733 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1734 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1735 output.println(" int size;");
1736 output.println(" void * next;");
1737 for(int i=0; i<objectparams.numPointers(); i++) {
1738 TempDescriptor temp=objectparams.getPointer(i);
1739 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1740 output.println(" int " + temp.getSafeSymbol() + ";");
1742 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1745 output.println("};\n");
1748 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1749 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1750 output.println(" int size;");
1751 output.println(" void * next;");
1752 for(int i=0; i<objectparams.numPointers(); i++) {
1753 TempDescriptor temp=objectparams.getPointer(i);
1754 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1755 output.println(" int " + temp.getSafeSymbol() + ";");
1757 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1760 output.println("};\n");
1764 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1765 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1766 TempObject objecttemps=(TempObject) tempstable.get(md);
1768 boolean printcomma = false;
1771 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1772 // generate the staticinit version
1773 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1775 /* Output temp structure */
1776 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1777 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1778 output.println(" int size;");
1779 output.println(" void * next;");
1780 for(int i=0; i<objecttemps.numPointers(); i++) {
1781 TempDescriptor temp=objecttemps.getPointer(i);
1782 if (!temp.getType().isArray() && temp.getType().isNull())
1783 output.println(" void * "+temp.getSafeSymbol()+";");
1785 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1787 output.println("};\n");
1790 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1791 /* First the return type */
1792 if (md.getReturnType()!=null) {
1793 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1794 headersout.println(" int ");
1795 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1796 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1798 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1800 //catch the constructor case
1801 headersout.print("void ");
1803 /* Next the method name */
1804 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1806 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1807 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1811 /* Output parameter list*/
1812 for(int i=0; i<objectparams.numPrimitives(); i++) {
1813 TempDescriptor temp=objectparams.getPrimitive(i);
1815 headersout.print(", ");
1817 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1818 headersout.print("int " + temp.getSafeSymbol());
1819 } else if (temp.getType().isClass()||temp.getType().isArray())
1820 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1822 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1824 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1825 headersout.print(", int linenum");
1827 headersout.println(");\n");
1830 /* Output temp structure */
1831 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1832 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1833 output.println(" int size;");
1834 output.println(" void * next;");
1835 for(int i=0; i<objecttemps.numPointers(); i++) {
1836 TempDescriptor temp=objecttemps.getPointer(i);
1837 if (!temp.getType().isArray() && temp.getType().isNull())
1838 output.println(" void * "+temp.getSafeSymbol()+";");
1840 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1842 output.println("};\n");
1845 /********* Output method declaration ***********/
1846 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1847 /* First the return type */
1848 if (md.getReturnType()!=null) {
1849 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1850 headersout.println(" int ");
1851 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1852 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1854 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1856 //catch the constructor case
1857 headersout.print("void ");
1859 /* Next the method name */
1860 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1862 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1863 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1867 /* Output parameter list*/
1868 for(int i=0; i<objectparams.numPrimitives(); i++) {
1869 TempDescriptor temp=objectparams.getPrimitive(i);
1871 headersout.print(", ");
1873 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1874 headersout.print("int " + temp.getSafeSymbol());
1875 } else if (temp.getType().isClass()||temp.getType().isArray())
1876 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1878 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1880 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1881 headersout.print(", int linenum");
1883 headersout.println(");\n");
1887 /** This function outputs (1) structures that parameters are
1888 * passed in (when PRECISE GC is enabled) and (2) function
1889 * prototypes for the tasks */
1891 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1892 /* Cycle through tasks */
1893 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1895 while(taskit.hasNext()) {
1896 /* Classify parameters */
1897 TaskDescriptor task=(TaskDescriptor)taskit.next();
1898 FlatMethod fm=state.getMethodFlat(task);
1899 generateTempStructs(fm);
1901 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1902 TempObject objecttemps=(TempObject) tempstable.get(task);
1904 /* Output parameter structure */
1905 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1906 output.println("struct "+task.getSafeSymbol()+"_params {");
1907 output.println(" int size;");
1908 output.println(" void * next;");
1909 for(int i=0; i<objectparams.numPointers(); i++) {
1910 TempDescriptor temp=objectparams.getPointer(i);
1911 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1914 output.println("};\n");
1915 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1916 maxtaskparams=objectparams.numPointers()+fm.numTags();
1920 /* Output temp structure */
1921 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1922 output.println("struct "+task.getSafeSymbol()+"_locals {");
1923 output.println(" int size;");
1924 output.println(" void * next;");
1925 for(int i=0; i<objecttemps.numPointers(); i++) {
1926 TempDescriptor temp=objecttemps.getPointer(i);
1927 if (!temp.getType().isArray() && temp.getType().isNull())
1928 output.println(" void * "+temp.getSafeSymbol()+";");
1929 else if(temp.getType().isTag())
1930 output.println(" struct "+
1931 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1933 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1935 output.println("};\n");
1938 /* Output task declaration */
1939 headersout.print("void " + task.getSafeSymbol()+"(");
1941 boolean printcomma=false;
1942 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
1943 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1945 headersout.print("void * parameterarray[]");
1946 headersout.println(");\n");
1950 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1951 MethodDescriptor md=fm.getMethod();
1952 ClassDescriptor cd=md.getClassDesc();
1953 generateHeader(fm, md, outmethod);
1955 outmethod.println("JNIPUSHFRAME();");
1956 if (md.getModifiers().isStatic()) {
1957 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1959 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1962 for(int i=startindex; i<fm.numParameters(); i++) {
1963 TempDescriptor tmp=fm.getParameter(i);
1964 if (tmp.getType().isPtr()) {
1965 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1968 if (GENERATEPRECISEGC) {
1969 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1971 if (!md.getReturnType().isVoid()) {
1972 if (md.getReturnType().isPtr())
1973 outmethod.print("jobject retval=");
1975 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1977 outmethod.print("Java_");
1978 outmethod.print(cd.getPackage().replace('.','_')+"_"+cd.getClassName().replace('.','_'));
1979 outmethod.print("_"+md.getSymbol()+"(");
1980 outmethod.print("JNI_vtable, rec");
1982 for(int i=startindex; i<fm.numParameters(); i++) {
1983 outmethod.print(", ");
1984 TempDescriptor tmp=fm.getParameter(i);
1985 if (tmp.getType().isPtr()) {
1986 outmethod.print("param"+i);
1988 outmethod.print(generateTemp(fm, tmp));
1991 outmethod.println(");");
1992 if (GENERATEPRECISEGC) {
1993 outmethod.println("restartaftergc();");
1995 if (!md.getReturnType().isVoid()) {
1996 if (md.getReturnType().isPtr()) {
1997 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1998 outmethod.println("JNIPOPFRAME();");
1999 outmethod.println("return retobj;");
2001 outmethod.println("JNIPOPFRAME();");
2002 outmethod.println("return retval;");
2005 outmethod.println("JNIPOPFRAME();");
2007 outmethod.println("}");
2008 outmethod.println("");
2011 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
2012 if (State.PRINTFLAT)
2013 System.out.println(fm.printMethod());
2014 MethodDescriptor md=fm.getMethod();
2015 TaskDescriptor task=fm.getTask();
2016 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2017 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2019 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2020 // generate a special static init version
2021 mgcstaticinit = true;
2022 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2024 generateHeader(fm, md!=null?md:task,output);
2025 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2027 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2028 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2029 output.print(objecttemp.numPointers()+",");
2030 output.print(paramsprefix);
2031 for(int j=0; j<objecttemp.numPointers(); j++)
2032 output.print(", NULL");
2033 output.println("};");
2036 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2037 TempDescriptor td=objecttemp.getPrimitive(i);
2038 TypeDescriptor type=td.getType();
2039 if (type.isNull() && !type.isArray())
2040 output.println(" void * "+td.getSafeSymbol()+";");
2041 else if (type.isClass() && type.getClassDesc().isEnum()) {
2042 output.println(" int " + td.getSafeSymbol() + ";");
2043 } else if (type.isClass()||type.isArray())
2044 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2046 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2049 additionalCodeAtTopFlatMethodBody(output, fm);
2050 for(BuildCodeExtension bcx: extensions) {
2051 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2054 /* Check to see if we need to do a GC if this is a
2055 * multi-threaded program...*/
2057 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2058 //Don't bother if we aren't in recursive methods...The loops case will catch it
2059 if (callgraph.getAllMethods(md).contains(md)) {
2060 if (state.MULTICOREGC||state.PMC) {
2061 output.println("GCCHECK("+localsprefixaddr+");");
2063 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2068 generateCode(fm.getNext(0), fm, null, output);
2070 output.println("}\n\n");
2072 mgcstaticinit = false;
2075 generateHeader(fm, md!=null?md:task,output);
2076 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2078 if((md != null) && (md.isStaticBlock())) {
2079 mgcstaticinit = true;
2082 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2084 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2086 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2087 output.print(objecttemp.numPointers()+",");
2088 output.print(paramsprefix);
2089 for(int j=0; j<objecttemp.numPointers(); j++)
2090 output.print(", NULL");
2091 output.println("};");
2094 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2095 TempDescriptor td=objecttemp.getPrimitive(i);
2096 TypeDescriptor type=td.getType();
2097 if (type.isNull() && !type.isArray())
2098 output.println(" void * "+td.getSafeSymbol()+";");
2099 else if (type.isClass() && type.getClassDesc().isEnum()) {
2100 output.println(" int " + td.getSafeSymbol() + ";");
2101 } else if (type.isClass()||type.isArray())
2102 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2104 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2107 additionalCodeAtTopFlatMethodBody(output, fm);
2108 for(BuildCodeExtension bcx: extensions) {
2109 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2112 /* Check to see if we need to do a GC if this is a
2113 * multi-threaded program...*/
2115 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2116 || state.MULTICOREGC||state.PMC) {
2117 //Don't bother if we aren't in recursive methods...The loops case will catch it
2118 if (callgraph.getAllMethods(md).contains(md)) {
2119 if (state.MULTICOREGC||state.PMC) {
2120 output.println("GCCHECK("+localsprefixaddr+");");
2122 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2127 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2128 // a static block, check if it has been executed
2129 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2130 output.println(" return;");
2131 output.println(" }");
2135 generateCode(fm.getNext(0), fm, null, output);
2137 output.println("}\n\n");
2139 mgcstaticinit = false;
2142 protected void generateCode(FlatNode first,
2144 Set<FlatNode> stopset,
2145 PrintWriter output) {
2147 /* Assign labels to FlatNode's if necessary.*/
2149 Hashtable<FlatNode, Integer> nodetolabel;
2151 nodetolabel=assignLabels(first, stopset);
2153 Set<FlatNode> storeset=null;
2154 HashSet<FlatNode> genset=null;
2155 HashSet<FlatNode> refset=null;
2156 Set<FlatNode> unionset=null;
2158 /* Do the actual code generation */
2159 FlatNode current_node=null;
2160 HashSet tovisit=new HashSet();
2161 HashSet visited=new HashSet();
2163 while(current_node!=null||!tovisit.isEmpty()) {
2164 if (current_node==null) {
2165 current_node=(FlatNode)tovisit.iterator().next();
2166 tovisit.remove(current_node);
2167 } else if (tovisit.contains(current_node)) {
2168 tovisit.remove(current_node);
2170 visited.add(current_node);
2171 if (nodetolabel.containsKey(current_node)) {
2172 output.println("L"+nodetolabel.get(current_node)+":");
2174 if (state.INSTRUCTIONFAILURE) {
2176 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2178 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2180 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2182 generateFlatNode(fm, current_node, output);
2184 if (state.OOOJAVA && stopset!=null) {
2185 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2186 assert current_node instanceof FlatSESEExitNode;
2187 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2188 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2189 assert fsen.getFlatExit().equals(fsxn);
2190 assert fsxn.getFlatEnter().equals(fsen);
2192 if (current_node.kind()!=FKind.FlatReturnNode) {
2193 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2194 // a static block, check if it has been executed
2195 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2198 output.println(" return;");
2201 } else if(current_node.numNext()==1) {
2203 if (state.OOOJAVA &&
2204 current_node.kind()==FKind.FlatSESEEnterNode) {
2205 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2206 generateFlatNode(fm, current_node, output);
2207 nextnode=fsen.getFlatExit().getNext(0);
2210 generateFlatNode(fm, current_node, output);
2211 nextnode=current_node.getNext(0);
2213 if (visited.contains(nextnode)) {
2214 output.println("goto L"+nodetolabel.get(nextnode)+";");
2217 current_node=nextnode;
2218 } else if (current_node.numNext()==2) {
2221 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2222 if (!visited.contains(current_node.getNext(1)))
2223 tovisit.add(current_node.getNext(1));
2224 if (visited.contains(current_node.getNext(0))) {
2225 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2228 current_node=current_node.getNext(0);
2229 } else throw new Error();
2233 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2234 HashSet tovisit=new HashSet();
2235 HashSet visited=new HashSet();
2237 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2240 /*Assign labels first. A node needs a label if the previous
2241 * node has two exits or this node is a join point. */
2243 while(!tovisit.isEmpty()) {
2244 FlatNode fn=(FlatNode)tovisit.iterator().next();
2249 if(lastset!=null&&lastset.contains(fn)) {
2250 // if last is not null and matches, don't go
2251 // any further for assigning labels
2255 for(int i=0; i<fn.numNext(); i++) {
2256 FlatNode nn=fn.getNext(i);
2259 //1) Edge >1 of node
2260 nodetolabel.put(nn,new Integer(labelindex++));
2262 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2266 nodetolabel.put(nn,new Integer(labelindex++));
2273 /** Generate text string that corresponds to the TempDescriptor td. */
2274 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2275 MethodDescriptor md=fm.getMethod();
2276 TaskDescriptor task=fm.getTask();
2277 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2279 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2280 return td.getSafeSymbol();
2283 if (objecttemps.isLocalPtr(td)) {
2284 return localsprefixderef+td.getSafeSymbol();
2287 if (objecttemps.isParamPtr(td)) {
2288 return paramsprefix+"->"+td.getSafeSymbol();
2296 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2297 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2299 additionalCodePreNode(fm, fn, output);
2300 for(BuildCodeExtension bcx: extensions) {
2301 bcx.additionalCodePreNode(fm, fn, output);
2306 case FKind.FlatAtomicEnterNode:
2307 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2310 case FKind.FlatAtomicExitNode:
2311 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2314 case FKind.FlatInstanceOfNode:
2315 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2318 case FKind.FlatSESEEnterNode:
2319 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2322 case FKind.FlatSESEExitNode:
2323 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2326 case FKind.FlatWriteDynamicVarNode:
2327 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2330 case FKind.FlatGlobalConvNode:
2331 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2334 case FKind.FlatTagDeclaration:
2335 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2338 case FKind.FlatCall:
2339 generateFlatCall(fm, (FlatCall) fn,output);
2342 case FKind.FlatFieldNode:
2343 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2346 case FKind.FlatElementNode:
2347 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2350 case FKind.FlatSetElementNode:
2351 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2354 case FKind.FlatSetFieldNode:
2355 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2359 generateFlatNew(fm, (FlatNew) fn,output);
2362 case FKind.FlatOpNode:
2363 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2366 case FKind.FlatCastNode:
2367 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2370 case FKind.FlatLiteralNode:
2371 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2374 case FKind.FlatReturnNode:
2375 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2379 output.println("/* nop */");
2382 case FKind.FlatGenReachNode:
2383 case FKind.FlatGenDefReachNode:
2384 // these nodes are just for generating analysis data
2385 // in disjointness analysis at a particular program point
2388 case FKind.FlatExit:
2389 output.println("/* exit */");
2392 case FKind.FlatBackEdge:
2393 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2396 case FKind.FlatCheckNode:
2397 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2400 case FKind.FlatFlagActionNode:
2401 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2404 case FKind.FlatPrefetchNode:
2405 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2408 case FKind.FlatOffsetNode:
2409 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2416 additionalCodePostNode(fm, fn, output);
2417 for(BuildCodeExtension bcx: extensions) {
2418 bcx.additionalCodePostNode(fm, fn, output);
2423 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2424 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2425 || state.MULTICOREGC||state.PMC) {
2426 if (state.MULTICOREGC||state.PMC) {
2427 output.println("GCCHECK("+localsprefixaddr+");");
2429 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2432 output.println("/* nop */");
2435 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2436 output.println("/* FlatOffsetNode */");
2437 FieldDescriptor fd=fofn.getField();
2438 if(!fd.isStatic()) {
2439 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2440 fd.getSafeSymbol()+");");
2442 output.println("/* offset */");
2445 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2448 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2451 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2454 if (fion.getType().isArray()) {
2455 type=state.getArrayNumber(fion.getType())+state.numClasses();
2456 } else if (fion.getType().getClassDesc().isInterface()) {
2457 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2459 type=fion.getType().getClassDesc().getId();
2461 if (fion.getSrc().getType().isArray()) {
2462 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2463 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2464 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2466 otype=fion.getSrc().getType().getClassDesc().getId();
2469 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2470 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2472 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2476 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2479 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2482 public void generateFlatSESEEnterNode(FlatMethod fm,
2483 FlatSESEEnterNode fsen,
2484 PrintWriter output) {
2485 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2486 // just skip over them and code generates exactly the same
2489 public void generateFlatSESEExitNode(FlatMethod fm,
2490 FlatSESEExitNode fsexn,
2491 PrintWriter output) {
2492 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2493 // just skip over them and code generates exactly the same
2496 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2497 FlatWriteDynamicVarNode fwdvn,
2498 PrintWriter output) {
2502 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2503 if (state.CONSCHECK) {
2504 String specname=fcn.getSpec();
2505 String varname="repairstate___";
2506 output.println("{");
2507 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2509 TempDescriptor[] temps=fcn.getTemps();
2510 String[] vars=fcn.getVars();
2511 for(int i=0; i<temps.length; i++) {
2512 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2515 output.println("if (doanalysis"+specname+"("+varname+")) {");
2516 output.println("free"+specname+"_state("+varname+");");
2517 output.println("} else {");
2518 output.println("/* Bad invariant */");
2519 output.println("free"+specname+"_state("+varname+");");
2520 output.println("abort_task();");
2521 output.println("}");
2522 output.println("}");
2526 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2527 MethodDescriptor md=fc.getMethod();
2528 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2530 ClassDescriptor cn=md.getClassDesc();
2531 String mdstring = md.getSafeMethodDescriptor();
2532 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2533 mdstring += "staticinit";
2536 // if the called method is a static block or a static method or a constructor
2537 // need to check if it can be invoked inside some static block
2538 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2539 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2540 if(!md.isInvokedByStatic()) {
2541 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2543 // is a static block or is invoked in some static block
2544 ClassDescriptor cd = fm.getMethod().getClassDesc();
2545 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2546 // generate static init check code if it has not done static init in main()
2547 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2548 // need to check if the class' static fields have been initialized and/or
2549 // its static blocks have been executed
2550 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2551 if(cn.getNumStaticBlocks() != 0) {
2552 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2553 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2554 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2555 output.println("0, NULL};");
2556 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2558 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2561 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2563 output.println("}");
2567 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2568 output.println("{");
2569 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2570 output.println("int monitorenterline = __LINE__;");
2572 // call MonitorEnter/MonitorExit on a class obj
2573 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2574 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2575 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2576 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2577 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2579 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2582 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2583 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2584 + fc.getThis().getType().getClassDesc().getId() + "]));");
2586 output.println("}");
2590 output.println("{");
2591 if(md.getSymbol().equals("MonitorEnter")) {
2592 output.println("int monitorenterline = __LINE__;");
2594 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC) {
2595 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2596 output.print(objectparams.numPointers());
2597 output.print(", "+localsprefixaddr);
2598 if (md.getThis()!=null) {
2600 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2602 if (fc.getThis()!=null&&md.getThis()==null) {
2603 System.out.println("WARNING!!!!!!!!!!!!");
2604 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2607 for(int i=0; i<fc.numArgs(); i++) {
2608 Descriptor var=md.getParameter(i);
2609 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2610 if (objectparams.isParamPtr(paramtemp)) {
2611 TempDescriptor targ=fc.getArg(i);
2613 TypeDescriptor td=md.getParamType(i);
2615 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2617 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2620 output.println("};");
2625 if (fc.getReturnTemp()!=null)
2626 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2628 /* Do we need to do virtual dispatch? */
2630 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2632 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2636 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2637 output.print("int ");
2638 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2639 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2641 output.print(md.getReturnType().getSafeSymbol()+" ");
2642 output.print("(*)(");
2644 boolean printcomma=false;
2645 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2646 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2650 for(int i=0; i<objectparams.numPrimitives(); i++) {
2651 TempDescriptor temp=objectparams.getPrimitive(i);
2655 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2656 output.print("int ");
2657 } else if (temp.getType().isClass()||temp.getType().isArray())
2658 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2660 output.print(temp.getType().getSafeSymbol());
2663 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2664 output.print(", int");
2666 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2670 boolean needcomma=false;
2671 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2672 output.print("&__parameterlist__");
2676 if (!GENERATEPRECISEGC && !state.MULTICOREGC&&!state.PMC) {
2677 if (fc.getThis()!=null) {
2678 TypeDescriptor ptd=null;
2679 if(md.getThis() != null) {
2680 ptd = md.getThis().getType();
2682 ptd = fc.getThis().getType();
2686 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2688 } else if (ptd.isClass()&&!ptd.isArray())
2689 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2690 output.print(generateTemp(fm,fc.getThis()));
2695 for(int i=0; i<fc.numArgs(); i++) {
2696 Descriptor var=md.getParameter(i);
2697 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2698 if (objectparams.isParamPrim(paramtemp)) {
2699 TempDescriptor targ=fc.getArg(i);
2703 TypeDescriptor ptd=md.getParamType(i);
2704 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2706 } else if (ptd.isClass()&&!ptd.isArray())
2707 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2708 output.print(generateTemp(fm, targ));
2712 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2713 output.println(", monitorenterline);");
2715 output.println(");");
2717 output.println(" }");
2720 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2721 if(thiscd.isInterface()) {
2722 // for interfaces, always need virtual dispatch
2725 Set subclasses=typeutil.getSubClasses(thiscd);
2726 if (subclasses==null)
2728 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2729 ClassDescriptor cd=(ClassDescriptor)classit.next();
2730 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2731 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2732 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2733 if (md.matches(matchmd))
2741 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2743 if(ffn.getField().isStatic()) {
2745 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2746 // is a static block or is invoked in some static block
2747 ClassDescriptor cd = fm.getMethod().getClassDesc();
2748 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2749 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2750 // generate the static init check code if has not done the static init in main()
2751 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2752 // need to check if the class' static fields have been initialized and/or
2753 // its static blocks have been executed
2754 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2755 if(cn.getNumStaticBlocks() != 0) {
2756 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2757 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2758 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2759 output.println("0, NULL};");
2760 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2762 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2765 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2767 output.println("}");
2771 // redirect to the global_defs_p structure
2772 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2773 if (ffn.getField().getType().isPtr()){
2774 output.println("if ( global_defs_p == NULL) {");
2775 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2776 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2778 output.println("if ( global_defsprim_p == NULL) {");
2779 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2780 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2782 output.println("}else{");
2783 if (ffn.getField().getType().isPtr())
2784 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2786 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2787 output.println("}");
2789 if (ffn.getField().getType().isPtr())
2790 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2792 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2794 } else if (ffn.getField().isEnum()) {
2795 // an Enum value, directly replace the field access as int
2796 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2797 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2798 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2799 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2800 if(ffn.getDst().getType().isPrimitive()){
2801 output.println(generateTemp(fm, ffn.getDst())+"= 0;");
2803 output.println(generateTemp(fm, ffn.getDst())+"= NULL;");
2805 output.println("}else{");
2806 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2807 output.println("}");
2809 if( state.CAPTURE_NULL_DEREFERENCES ) {
2810 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2811 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2812 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2813 if(state.MULTICOREGC||state.PMC) {
2814 output.println("failednullptr(&___locals___);");
2816 output.println("failednullptr(NULL);");
2818 output.println("}");
2819 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2821 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2826 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2827 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2828 throw new Error("Can't set array length");
2829 if (state.FASTCHECK) {
2830 String dst=generateTemp(fm, fsfn.getDst());
2831 output.println("if(!"+dst+"->"+localcopystr+") {");
2832 /* Link object into list */
2833 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
2834 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2836 output.println("COPY_OBJ("+dst+");");
2837 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2838 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2839 output.println("}");
2842 if(fsfn.getField().isStatic()) {
2844 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2845 // is a static block or is invoked in some static block
2846 ClassDescriptor cd = fm.getMethod().getClassDesc();
2847 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2848 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2849 // generate static init check code if has not done the static init in main()
2850 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2851 // need to check if the class' static fields have been initialized and/or
2852 // its static blocks have been executed
2853 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2854 if(cn.getNumStaticBlocks() != 0) {
2855 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2856 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
2857 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2858 output.println("0, NULL};");
2859 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2861 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2864 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2866 output.println("}");
2870 // redirect to the global_defs_p structure
2871 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2872 if (fsfn.getField().getType().isPtr()) {
2873 output.println("if ( global_defs_p == NULL) {");
2874 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2875 output.println("}else{");
2876 if (fsfn.getField().getType()!=fsfn.getSrc().getType()){
2877 output.println("global_defs_p->" +
2878 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2880 output.println("global_defs_p->" +
2881 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2883 output.println("}");
2885 output.println("if ( global_defsprim_p == NULL) {");
2886 output.println("printf(\"SSJAVA: Discard a write due to dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2887 output.println("}else{");
2888 output.println("global_defsprim_p->" +
2889 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2890 output.println("}");
2893 if (fsfn.getField().getType().isPtr()) {
2894 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2895 output.println("global_defs_p->" +
2896 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2898 output.println("global_defs_p->" +
2899 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2901 output.println("global_defsprim_p->" +
2902 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2904 } else if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2905 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2906 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2907 output.println("}else{");
2908 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2909 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2910 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2912 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2913 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2914 output.println("}");
2916 if( state.CAPTURE_NULL_DEREFERENCES ) {
2917 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2918 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2919 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2920 if(state.MULTICOREGC||state.PMC) {
2921 output.println("failednullptr(&___locals___);");
2923 output.println("failednullptr(NULL);");
2925 output.println("}");
2926 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2929 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2930 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2931 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2933 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2934 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2939 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2940 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2943 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2945 } else if (elementtype.isArray()||elementtype.isClass())
2948 type=elementtype.getSafeSymbol()+" ";
2950 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2951 output.println("if (" + generateTemp(fm,fen.getSrc()) + " == NULL) {");
2952 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2953 output.println("}else{");
2954 output.println("if (unlikely( ((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___)){");
2955 output.println("printf(\"SSJAVA: Array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2956 if(fen.getDst().getType().isPrimitive()){
2957 output.println(generateTemp(fm, fen.getDst())+"= 0;");
2959 output.println(generateTemp(fm, fen.getDst())+"= NULL;");
2961 output.println("}else{");
2962 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2963 output.println("}");
2964 output.println("}");
2966 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2967 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2968 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fen.getIndex()) +", "+ generateTemp(fm, fen.getSrc()) + ");");
2970 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2976 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2977 //TODO: need dynamic check to make sure this assignment is actually legal
2978 //Because Object[] could actually be something more specific...ie. Integer[]
2980 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2983 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2985 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2988 type=elementtype.getSafeSymbol()+" ";
2990 if(state.SSJAVA_GENCODE_PREVENT_CRASHES){
2991 output.println("if ("+generateTemp(fm,fsen.getDst())+"==NULL){");
2992 output.println("printf(\"SSJAVA: Dereferencing NULL Pointer at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2993 output.println("}else{");
2994 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___)){");
2995 output.println("printf(\"SSJAVA: Discard a write due to array out of bounds at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
2996 output.println("}else{");
2997 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2998 output.println("}");
2999 output.println("}");
3001 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
3002 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
3003 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fsen.getIndex()) +", "+ generateTemp(fm, fsen.getDst()) + ");");
3005 if (state.FASTCHECK) {
3006 String dst=generateTemp(fm, fsen.getDst());
3007 output.println("if(!"+dst+"->"+localcopystr+") {");
3008 /* Link object into list */
3009 if (GENERATEPRECISEGC || state.MULTICOREGC||state.PMC)
3010 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
3012 output.println("COPY_OBJ("+dst+");");
3013 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3014 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3015 output.println("}");
3017 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
3023 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
3024 String dst=generateTemp(fm,fn.getDst());
3026 if (fn.getType().isArray()) {
3027 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
3028 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3029 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3031 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
3034 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3035 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
3037 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
3040 if (state.FASTCHECK) {
3041 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
3042 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
3043 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
3045 for(BuildCodeExtension bcx: extensions) {
3046 bcx.additionalCodeNewObject(output, dst, fn);
3050 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
3051 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3052 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
3054 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
3058 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
3059 if (fon.getRight()!=null) {
3060 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
3061 if (fon.getLeft().getType().isLong())
3062 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3064 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
3067 if(state.SSJAVA_GENCODE_PREVENT_CRASHES && fon.getOp().getOp()==Operation.DIV){
3068 output.println("if (unlikely("+generateTemp(fm,fon.getRight())+"==0)){");
3069 output.println("printf(\"SSJAVA: Divided by zero at file:%s, func:%s, line:%d \\n\", __FILE__, __func__, __LINE__);");
3070 output.println(generateTemp(fm, fon.getDest())+" = 0;");
3071 output.println("}else{");
3072 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3073 output.println("}");
3075 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
3076 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3078 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
3081 } else if (fon.getOp().getOp()==Operation.ASSIGN)
3082 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
3083 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
3085 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3086 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
3087 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
3088 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
3089 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
3090 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
3091 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
3092 else if (fon.getOp().getOp()==Operation.COMP)
3093 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
3094 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
3095 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
3097 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
3100 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
3101 /* TODO: Do type check here */
3102 if (fcn.getType().isArray()) {
3103 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
3104 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
3105 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
3106 } else if (fcn.getType().isClass())
3107 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
3109 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
3114 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
3115 if (fln.getValue()==null)
3116 output.println(generateTemp(fm, fln.getDst())+"=0;");
3117 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
3118 String str=(String)fln.getValue();
3119 output.println("{");
3120 output.print("short str"+flncount+"[]={");
3121 for(int i=0; i<str.length(); i++) {
3124 output.print(((int)str.charAt(i)));
3126 output.println("};");
3127 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3128 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3130 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3133 for(BuildCodeExtension bcx: extensions) {
3134 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3137 output.println("}");
3139 } else if (fln.getType().isBoolean()) {
3140 if (((Boolean)fln.getValue()).booleanValue())
3141 output.println(generateTemp(fm, fln.getDst())+"=1;");
3143 output.println(generateTemp(fm, fln.getDst())+"=0;");
3144 } else if (fln.getType().isChar()) {
3145 int val=(int)(((Character)fln.getValue()).charValue());
3146 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3147 } else if (fln.getType().isLong()) {
3148 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3150 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3153 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3154 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3155 // a static block, check if it has been executed
3156 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3160 if (frn.getReturnTemp()!=null) {
3161 if (frn.getReturnTemp().getType().isPtr())
3162 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3164 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3166 output.println("return;");
3170 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3171 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3174 /** This method generates header information for the method or
3175 * task referenced by the Descriptor des. */
3176 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3177 generateHeader(fm, des, output, false);
3180 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3182 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3183 MethodDescriptor md=null;
3184 TaskDescriptor task=null;
3185 if (des instanceof MethodDescriptor)
3186 md=(MethodDescriptor) des;
3188 task=(TaskDescriptor) des;
3189 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3191 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3193 if (md!=null&&md.getReturnType()!=null) {
3194 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3195 output.print("int ");
3196 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3197 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3199 output.print(md.getReturnType().getSafeSymbol()+" ");
3201 //catch the constructor case
3202 output.print("void ");
3204 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3205 mdstring += "staticinit";
3207 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3209 output.print(task.getSafeSymbol()+"(");
3211 boolean printcomma=false;
3212 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC) {
3214 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3216 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3222 for(int i=0; i<objectparams.numPrimitives(); i++) {
3223 TempDescriptor temp=objectparams.getPrimitive(i);
3227 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3228 output.print("int " + temp.getSafeSymbol());
3229 } else if (temp.getType().isClass()||temp.getType().isArray())
3230 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3232 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3234 output.println(") {");
3235 } else if (!GENERATEPRECISEGC && !state.MULTICOREGC && ! state.PMC) {
3236 /* Imprecise Task */
3237 output.println("void * parameterarray[]) {");
3238 /* Unpack variables */
3239 for(int i=0; i<objectparams.numPrimitives(); i++) {
3240 TempDescriptor temp=objectparams.getPrimitive(i);
3241 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3242 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3244 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3247 for(int i=0; i<fm.numTags(); i++) {
3248 TempDescriptor temp=fm.getTag(i);
3249 int offset=i+objectparams.numPrimitives();
3250 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3253 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3254 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3255 } else output.println(") {");
3258 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3259 output.println("/* FlatFlagActionNode */");
3262 /* Process tag changes */
3263 Relation tagsettable=new Relation();
3264 Relation tagcleartable=new Relation();
3266 Iterator tagsit=ffan.getTempTagPairs();
3267 while (tagsit.hasNext()) {
3268 TempTagPair ttp=(TempTagPair) tagsit.next();
3269 TempDescriptor objtmp=ttp.getTemp();
3270 TagDescriptor tag=ttp.getTag();
3271 TempDescriptor tagtmp=ttp.getTagTemp();
3272 boolean tagstatus=ffan.getTagChange(ttp);
3274 tagsettable.put(objtmp, tagtmp);
3276 tagcleartable.put(objtmp, tagtmp);
3281 Hashtable flagandtable=new Hashtable();
3282 Hashtable flagortable=new Hashtable();
3284 /* Process flag changes */
3285 Iterator flagsit=ffan.getTempFlagPairs();
3286 while(flagsit.hasNext()) {
3287 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3288 TempDescriptor temp=tfp.getTemp();
3289 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3290 FlagDescriptor flag=tfp.getFlag();
3292 //Newly allocate objects that don't set any flags case
3293 if (flagortable.containsKey(temp)) {
3297 flagortable.put(temp,new Integer(mask));
3299 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3300 boolean flagstatus=ffan.getFlagChange(tfp);
3303 if (flagortable.containsKey(temp)) {
3304 mask=((Integer)flagortable.get(temp)).intValue();
3307 flagortable.put(temp,new Integer(mask));
3309 int mask=0xFFFFFFFF;
3310 if (flagandtable.containsKey(temp)) {
3311 mask=((Integer)flagandtable.get(temp)).intValue();
3313 mask&=(0xFFFFFFFF^flagid);
3314 flagandtable.put(temp,new Integer(mask));
3320 HashSet flagtagset=new HashSet();
3321 flagtagset.addAll(flagortable.keySet());
3322 flagtagset.addAll(flagandtable.keySet());
3323 flagtagset.addAll(tagsettable.keySet());
3324 flagtagset.addAll(tagcleartable.keySet());
3326 Iterator ftit=flagtagset.iterator();
3327 while(ftit.hasNext()) {
3328 TempDescriptor temp=(TempDescriptor)ftit.next();
3331 Set tagtmps=tagcleartable.get(temp);
3332 if (tagtmps!=null) {
3333 Iterator tagit=tagtmps.iterator();
3334 while(tagit.hasNext()) {
3335 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3336 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3337 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3339 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3343 tagtmps=tagsettable.get(temp);
3344 if (tagtmps!=null) {
3345 Iterator tagit=tagtmps.iterator();
3346 while(tagit.hasNext()) {
3347 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3348 if ((GENERATEPRECISEGC) || state.MULTICOREGC||state.PMC)
3349 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3351 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3356 int andmask=0xFFFFFFF;
3358 if (flagortable.containsKey(temp))
3359 ormask=((Integer)flagortable.get(temp)).intValue();
3360 if (flagandtable.containsKey(temp))
3361 andmask=((Integer)flagandtable.get(temp)).intValue();
3362 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3363 generateObjectDistribute(ffan, fm, temp, output);
3367 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3368 PrintWriter output, int ormask, int andmask) {
3369 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3370 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3372 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3376 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3377 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3380 void generateOptionalHeader(PrintWriter headers) {
3383 headers.println("#include \"task.h\"\n\n");
3384 headers.println("#ifndef _OPTIONAL_STRUCT_");
3385 headers.println("#define _OPTIONAL_STRUCT_");
3387 //STRUCT PREDICATEMEMBER
3388 headers.println("struct predicatemember{");
3389 headers.println("int type;");
3390 headers.println("int numdnfterms;");
3391 headers.println("int * flags;");
3392 headers.println("int numtags;");
3393 headers.println("int * tags;\n};\n\n");
3395 //STRUCT OPTIONALTASKDESCRIPTOR
3396 headers.println("struct optionaltaskdescriptor{");
3397 headers.println("struct taskdescriptor * task;");
3398 headers.println("int index;");
3399 headers.println("int numenterflags;");
3400 headers.println("int * enterflags;");
3401 headers.println("int numpredicatemembers;");
3402 headers.println("struct predicatemember ** predicatememberarray;");
3403 headers.println("};\n\n");
3405 //STRUCT TASKFAILURE
3406 headers.println("struct taskfailure {");
3407 headers.println("struct taskdescriptor * task;");
3408 headers.println("int index;");
3409 headers.println("int numoptionaltaskdescriptors;");
3410 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3412 //STRUCT FSANALYSISWRAPPER
3413 headers.println("struct fsanalysiswrapper{");
3414 headers.println("int flags;");
3415 headers.println("int numtags;");
3416 headers.println("int * tags;");
3417 headers.println("int numtaskfailures;");
3418 headers.println("struct taskfailure ** taskfailurearray;");
3419 headers.println("int numoptionaltaskdescriptors;");
3420 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3422 //STRUCT CLASSANALYSISWRAPPER
3423 headers.println("struct classanalysiswrapper{");
3424 headers.println("int type;");
3425 headers.println("int numotd;");
3426 headers.println("struct optionaltaskdescriptor ** otdarray;");
3427 headers.println("int numfsanalysiswrappers;");
3428 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3430 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3432 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3433 while(taskit.hasNext()) {
3434 TaskDescriptor td=(TaskDescriptor)taskit.next();
3435 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3440 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3441 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3442 int predicateindex = 0;
3443 //iterate through the classes concerned by the predicate
3444 Set c_vard = predicate.vardescriptors;
3445 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3448 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3449 VarDescriptor vard = (VarDescriptor)vard_it.next();
3450 TypeDescriptor typed = vard.getType();
3452 //generate for flags
3453 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3454 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3456 if (fen_hashset!=null) {
3457 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3458 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3460 DNFFlag dflag=fen.getDNF();
3461 numberterms+=dflag.size();
3463 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3465 for(int j=0; j<dflag.size(); j++) {
3467 output.println(",");
3468 Vector term=dflag.get(j);
3471 for(int k=0; k<term.size(); k++) {
3472 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3473 FlagDescriptor fd=dfa.getFlag();
3474 boolean negated=dfa.getNegated();
3475 int flagid=1<<((Integer)flags.get(fd)).intValue();
3480 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3485 output.println("};\n");
3488 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3489 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3492 for(int j=0; j<tagel.numTags(); j++) {
3494 output.println(",");
3495 TempDescriptor tmp=tagel.getTemp(j);
3496 if (!slotnumber.containsKey(tmp)) {
3497 Integer slotint=new Integer(current_slot++);
3498 slotnumber.put(tmp,slotint);
3500 int slot=slotnumber.get(tmp).intValue();
3501 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3503 numtags = tagel.numTags();
3505 output.println("};");
3507 //store the result into a predicatemember struct
3508 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3509 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3510 output.println("/* number of dnf terms */"+numberterms+",");
3511 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3512 output.println("/* number of tag */"+numtags+",");
3513 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3514 output.println("};\n");
3519 //generate an array that stores the entire predicate
3520 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3521 for( int j = 0; j<predicateindex; j++) {
3522 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3523 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3525 output.println("};\n");
3526 return predicateindex;
3530 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3531 generateOptionalHeader(headers);
3533 output.println("#include \"optionalstruct.h\"\n\n");
3534 output.println("#include \"stdlib.h\"\n");
3536 HashSet processedcd = new HashSet();
3538 Enumeration e = safeexecution.keys();
3539 while (e.hasMoreElements()) {
3542 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3543 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3545 //Generate the struct of optionals
3546 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3547 numotd = c_otd.size();
3548 if(maxotd<numotd) maxotd = numotd;
3549 if( !c_otd.isEmpty() ) {
3550 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3551 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3553 //generate the int arrays for the predicate
3554 Predicate predicate = otd.predicate;
3555 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3556 TreeSet<Integer> fsset=new TreeSet<Integer>();
3557 //iterate through possible FSes corresponding to
3558 //the state when entering
3560 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3561 FlagState fs = (FlagState)fses.next();
3563 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3564 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3565 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3568 fsset.add(new Integer(flagid));
3569 //tag information not needed because tag
3570 //changes are not tolerated.
3573 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3574 boolean needcomma=false;
3575 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3578 output.println(it.next());
3581 output.println("};\n");
3584 //generate optionaltaskdescriptor that actually
3585 //includes exit fses, predicate and the task
3587 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3588 output.println("&task_"+otd.td.getSafeSymbol()+",");
3589 output.println("/*index*/"+otd.getIndex()+",");
3590 output.println("/*number of enter flags*/"+fsset.size()+",");
3591 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3592 output.println("/*number of members */"+predicateindex+",");
3593 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3594 output.println("};\n");
3598 // if there are no optionals, there is no need to build the rest of the struct
3600 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3601 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3602 if( !c_otd.isEmpty() ) {
3603 boolean needcomma=false;
3604 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3605 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3607 output.println(",");
3609 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3612 output.println("};\n");
3614 //get all the possible flagstates reachable by an object
3615 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3617 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3618 fsts.addAll(hashtbtemp.keySet());
3619 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3620 FlagState fs = (FlagState)fsit.next();
3623 //get the set of OptionalTaskDescriptors corresponding
3624 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3625 //iterate through the OptionalTaskDescriptors and
3626 //store the pointers to the optionals struct (see on
3627 //top) into an array
3629 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3630 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3631 OptionalTaskDescriptor mm = mos.next();
3633 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3635 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3638 output.println("};\n");
3640 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3643 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3644 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3645 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3649 //process tag information
3652 boolean first = true;
3653 Enumeration tag_enum = fs.getTags();
3654 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3655 while(tag_enum.hasMoreElements()) {
3657 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3661 output.println(", ");
3662 output.println("/*tagid*/"+state.getTagId(tagd));
3664 output.println("};");
3666 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3667 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3668 TaskIndex ti=itti.next();
3672 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3674 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3675 boolean needcomma=false;
3676 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3677 OptionalTaskDescriptor otd=otdit.next();
3681 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3683 output.println("};");
3685 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3686 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3687 output.print(ti.getIndex()+", ");
3688 output.print(otdset.size()+", ");
3689 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3690 output.println("};");
3693 tiset=sa.getTaskIndex(fs);
3694 boolean needcomma=false;
3696 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3697 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3698 TaskIndex ti=itti.next();
3699 if (ti.isRuntime()) {
3706 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3708 output.println("};\n");
3710 //Store the result in fsanalysiswrapper
3712 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3713 output.println("/*flag*/"+flagid+",");
3714 output.println("/* number of tags*/"+tagcounter+",");
3715 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3716 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3717 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3718 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3719 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3720 output.println("};\n");
3724 //Build the array of fsanalysiswrappers
3725 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3726 boolean needcomma=false;
3727 for(int i = 0; i<fscounter; i++) {
3728 if (needcomma) output.print(",");
3729 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3732 output.println("};");
3734 //Build the classanalysiswrapper referring to the previous array
3735 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3736 output.println("/*type*/"+cdtemp.getId()+",");
3737 output.println("/*numotd*/"+numotd+",");
3738 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3739 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3740 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3741 processedcd.add(cdtemp);
3744 //build an array containing every classes for which code has been build
3745 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3746 for(int i=0; i<state.numClasses(); i++) {
3747 ClassDescriptor cn=cdarray[i];
3750 if ((cn != null) && (processedcd.contains(cn)))
3751 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3753 output.print("NULL");
3755 output.println("};");
3757 output.println("#define MAXOTD "+maxotd);
3758 headers.println("#endif");
3761 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3762 Relation r=new Relation();
3763 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3764 OptionalTaskDescriptor otd=otdit.next();
3765 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3769 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3770 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3771 Set s=r.get(it.next());
3772 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3773 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3783 // either create and register an extension object with buildcode
3784 // or look at the following option of subclassing BuildCode
3785 private Vector<BuildCodeExtension> extensions;
3787 // note that extensions are invoked in the order they are added
3789 public void registerExtension( BuildCodeExtension bcx ) {
3790 extensions.add( bcx );
3794 // override these methods in a subclass of BuildCode
3795 // to generate code for additional systems
3796 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3798 protected void outputTransCode(PrintWriter output) {
3800 protected void buildCodeSetup() {
3802 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3804 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3806 protected void preCodeGenInitialization() {
3808 protected void postCodeGenCleanUp() {
3810 protected void additionalCodeGen(PrintWriter outmethodheader,
3811 PrintWriter outstructs,
3812 PrintWriter outmethod) {
3814 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3816 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3818 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3820 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3822 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3824 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3826 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3828 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3830 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3832 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3835 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3836 // we do not print out line number if no one explicitly set the number
3837 if(fn.getNumLine()!=-1) {
3839 int lineNum=fn.getNumLine();
3841 // do not generate the line number if it is same as the previous one
3842 boolean needtoprint;
3843 if(fn.prev.size()==0) {
3849 for(int i=0; i<fn.prev.size(); i++) {
3850 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3851 if(prevLineNum!=lineNum) {
3857 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());