2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.CallGraph.CallGraph;
21 import Analysis.Loops.GlobalFieldType;
22 import Util.CodePrinter;
24 public class BuildCode {
27 Hashtable paramstable;
32 String localsprefix="___locals___";
33 String localsprefixaddr="&"+localsprefix;
34 String localsprefixderef=localsprefix+".";
35 String fcrevert="___fcrevert___";
36 String paramsprefix="___params___";
37 String nextobjstr="___nextobject___";
38 String localcopystr="___localcopy___";
39 public static boolean GENERATEPRECISEGC=false;
40 public static String PREFIX="";
41 public static String arraytype="ArrayObject";
42 public static int flagcount = 0;
45 protected int maxtaskparams=0;
46 protected int maxcount=0;
47 ClassDescriptor[] cdarray;
48 ClassDescriptor[] ifarray;
49 TypeDescriptor[] arraytable;
52 Hashtable<String, ClassDescriptor> printedfieldstbl;
53 int globaldefscount=0;
54 boolean mgcstaticinit = false;
58 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
59 this(st, temptovar, typeutil, null, callgraph);
62 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
65 this.callgraph=callgraph;
66 this.temptovar=temptovar;
67 paramstable=new Hashtable();
68 tempstable=new Hashtable();
69 fieldorder=new Hashtable();
70 flagorder=new Hashtable();
71 this.typeutil=typeutil;
72 State.logEvent("Virtual");
73 virtualcalls=new Virtual(state, null, callgraph);
74 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
77 /** The buildCode method outputs C code for all the methods. The Flat
78 * versions of the methods must already be generated and stored in
79 * the State object. */
81 public void buildCode() {
82 /* Create output streams to write to */
83 PrintWriter outclassdefs=null;
84 PrintWriter outstructs=null;
85 PrintWriter outrepairstructs=null;
86 PrintWriter outmethodheader=null;
87 PrintWriter outmethod=null;
88 PrintWriter outvirtual=null;
89 PrintWriter outtask=null;
90 PrintWriter outtaskdefs=null;
91 PrintWriter outoptionalarrays=null;
92 PrintWriter optionalheaders=null;
93 PrintWriter outglobaldefs=null;
94 PrintWriter outglobaldefsprim=null;
95 State.logEvent("Beginning of buildCode");
98 buildCodeSetup(); //EXTENSION POINT
99 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
100 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
101 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
102 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
103 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
104 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
105 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
107 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
108 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
109 if (state.OPTIONAL) {
110 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
111 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
114 if (state.structfile!=null) {
115 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
117 } catch (Exception e) {
122 /* Fix field safe symbols due to shadowing */
123 FieldShadow.handleFieldShadow(state);
125 /* Build the virtual dispatch tables */
126 buildVirtualTables(outvirtual);
128 /* Tag the methods that are invoked by static blocks */
129 tagMethodInvokedByStaticBlock();
131 /* Output includes */
132 outmethodheader.println("#ifndef METHODHEADERS_H");
133 outmethodheader.println("#define METHODHEADERS_H");
134 outmethodheader.println("#include \"structdefs.h\"");
136 if (state.EVENTMONITOR) {
137 outmethodheader.println("#include \"monitor.h\"");
140 additionalIncludesMethodsHeader(outmethodheader);
142 /* Output Structures */
143 outputStructs(outstructs);
145 initOutputGlobals(outglobaldefs, outglobaldefsprim);
147 outclassdefs.println("#ifndef __CLASSDEF_H_");
148 outclassdefs.println("#define __CLASSDEF_H_");
149 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
151 // Output function prototypes and structures for parameters
152 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
153 while(it.hasNext()) {
154 ClassDescriptor cn=(ClassDescriptor)it.next();
155 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
157 outclassdefs.println("#include \"globaldefs.h\"");
158 outclassdefs.println("#include \"globaldefsprim.h\"");
159 outclassdefs.println("#endif");
160 outclassdefs.close();
162 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
165 /* Map flags to integers */
166 /* The runtime keeps track of flags using these integers */
167 it=state.getClassSymbolTable().getDescriptorsIterator();
168 while(it.hasNext()) {
169 ClassDescriptor cn=(ClassDescriptor)it.next();
173 generateTaskStructs(outstructs, outmethodheader);
175 /* Outputs generic task structures if this is a task
177 outputTaskTypes(outtask);
180 // an opportunity for subclasses to do extra
182 preCodeGenInitialization();
184 State.logEvent("Start outputMethods");
185 /* Build the actual methods */
186 outputMethods(outmethod);
187 State.logEvent("End outputMethods");
189 // opportunity for subclasses to gen extra code
190 additionalCodeGen(outmethodheader, outstructs, outmethod);
193 /* Output code for tasks */
194 outputTaskCode(outtaskdefs, outmethod);
197 /* Record maximum number of task parameters */
198 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
199 } else if (state.main!=null) {
200 /* Generate main method */
201 outputMainMethod(outmethod);
204 /* Generate information for task with optional parameters */
205 if (state.TASK&&state.OPTIONAL) {
206 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
207 outoptionalarrays.close();
208 optionalheaders.close();
211 /* Output structure definitions for repair tool */
212 if (state.structfile!=null) {
213 buildRepairStructs(outrepairstructs);
214 outrepairstructs.close();
218 outmethodheader.println("#endif");
219 outmethodheader.close();
221 outstructs.println("#endif");
222 outstructs.println();
225 postCodeGenCleanUp();
226 State.logEvent("End of buildCode");
229 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
230 // Output the C class declarations
231 // These could mutually reference each other
232 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
233 outglobaldefs.println("#define __GLOBALDEF_H_");
234 outglobaldefs.println("");
235 outglobaldefs.println("struct global_defs_t {");
236 outglobaldefs.println(" int size;");
237 outglobaldefs.println(" void * next;");
238 outglobaldefs.println(" struct ArrayObject * classobjs;");
239 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
240 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
241 outglobaldefsprim.println("");
242 outglobaldefsprim.println("struct global_defsprim_t {");
245 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
246 outglobaldefs.println("};");
247 outglobaldefs.println("");
248 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
249 outglobaldefs.println("#endif");
250 outglobaldefs.flush();
251 outglobaldefs.close();
253 outglobaldefsprim.println("};");
254 outglobaldefsprim.println("");
255 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
256 outglobaldefsprim.println("#endif");
257 outglobaldefsprim.flush();
258 outglobaldefsprim.close();
261 /* This method goes though the call graph and tag those methods that are
262 * invoked inside static blocks
264 protected void tagMethodInvokedByStaticBlock() {
265 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
266 MethodDescriptor current_md=null;
267 HashSet tovisit=new HashSet();
268 HashSet visited=new HashSet();
270 while(it_sclasses.hasNext()) {
271 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
272 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
278 while(!tovisit.isEmpty()) {
279 current_md=(MethodDescriptor)tovisit.iterator().next();
280 tovisit.remove(current_md);
281 visited.add(current_md);
282 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
283 while(it_callee.hasNext()) {
284 Descriptor d = (Descriptor)it_callee.next();
285 if(d instanceof MethodDescriptor) {
286 if(!visited.contains(d)) {
287 ((MethodDescriptor)d).setIsInvokedByStatic(true);
295 /* This code generates code for each static block and static field
297 protected void outputStaticBlocks(PrintWriter outmethod) {
298 // execute all the static blocks and all the static field initializations
299 // execute all the static blocks and all the static field initializations
300 SymbolTable sctbl = this.state.getSClassSymbolTable();
301 Iterator it_sclasses = sctbl.getDescriptorsIterator();
302 if(it_sclasses.hasNext()) {
303 while(it_sclasses.hasNext()) {
304 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
305 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
307 outmethod.println(" {");
308 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
309 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
310 outmethod.println("0, NULL};");
311 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
313 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
315 outmethod.println(" }");
321 /* This code generates code to create a Class object for each class for
324 protected void outputClassObjects(PrintWriter outmethod) {
325 // create a global classobj array
326 outmethod.println(" {");
327 outmethod.println(" int i = 0;");
328 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
329 outmethod.println(" struct garbagelist dummy={0,NULL};");
330 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
331 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
333 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
334 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
336 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
337 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
338 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
340 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
342 outmethod.println(" }");
343 outmethod.println(" }");
346 /* This code just generates the main C method for java programs.
347 * The main C method packs up the arguments into a string array
348 * and passes it to the java main method. */
350 protected void outputMainMethod(PrintWriter outmethod) {
351 outmethod.println("int main(int argc, const char *argv[]) {");
352 outmethod.println(" int i;");
354 outmethod.println("initializethreads();");
356 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
357 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
358 if (GENERATEPRECISEGC) {
359 outmethod.println(" global_defs_p->size="+globaldefscount+";");
360 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
361 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
362 outmethod.println(" }");
364 outputStaticBlocks(outmethod);
365 outputClassObjects(outmethod);
368 additionalCodeAtTopOfMain(outmethod);
371 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
372 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
374 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
376 outmethod.println(" for(i=1;i<argc;i++) {");
377 outmethod.println(" int length=strlen(argv[i]);");
379 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
380 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
382 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
384 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
385 outmethod.println(" }");
387 MethodDescriptor md=typeutil.getMain();
388 ClassDescriptor cd=typeutil.getMainClass();
390 outmethod.println(" {");
391 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
392 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
393 outmethod.println("1, NULL,"+"stringarray};");
394 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
396 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
398 outmethod.println(" }");
401 outmethod.println("pthread_mutex_lock(&gclistlock);");
402 outmethod.println("threadcount--;");
403 outmethod.println("pthread_cond_signal(&gccond);");
404 outmethod.println("pthread_mutex_unlock(&gclistlock);");
407 if (state.EVENTMONITOR) {
408 outmethod.println("dumpdata();");
412 outmethod.println("pthread_exit(NULL);");
415 additionalCodeAtBottomOfMain(outmethod);
417 outmethod.println("}");
420 /* This method outputs code for each task. */
422 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
423 /* Compile task based program */
424 outtaskdefs.println("#include \"task.h\"");
425 outtaskdefs.println("#include \"methodheaders.h\"");
426 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
427 while(taskit.hasNext()) {
428 TaskDescriptor td=(TaskDescriptor)taskit.next();
429 FlatMethod fm=state.getMethodFlat(td);
431 generateFlatMethod(fm, outmethod);
432 generateTaskDescriptor(outtaskdefs, fm, td);
435 //Output task descriptors
436 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
437 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
439 while(taskit.hasNext()) {
440 TaskDescriptor td=(TaskDescriptor)taskit.next();
444 outtaskdefs.println(",");
445 outtaskdefs.print("&task_"+td.getSafeSymbol());
447 outtaskdefs.println("};");
449 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
453 /* This method outputs most of the methods.c file. This includes
454 * some standard includes and then an array with the sizes of
455 * objets and array that stores supertype and then the code for
456 * the Java methods.. */
457 protected void outputMethods(PrintWriter outmethod) {
458 outmethod.println("#include \"methodheaders.h\"");
459 outmethod.println("#include \"virtualtable.h\"");
460 outmethod.println("#include \"runtime.h\"");
462 outmethod.println("#include \"jni-private.h\"");
465 // always include: compiler directives will leave out
466 // instrumentation when option is not set
467 if(!state.MULTICORE) {
468 outmethod.println("#include \"coreprof/coreprof.h\"");
471 if (state.FASTCHECK) {
472 outmethod.println("#include \"localobjects.h\"");
474 if(state.MULTICORE) {
476 outmethod.println("#include \"task.h\"");
478 outmethod.println("#include \"multicoreruntime.h\"");
479 outmethod.println("#include \"runtime_arch.h\"");
481 if (state.THREAD||state.DSM||state.SINGLETM) {
482 outmethod.println("#include <thread.h>");
485 outmethod.println("#include \"thread.h\"");
487 if (state.main!=null) {
488 outmethod.println("#include <string.h>");
490 if (state.CONSCHECK) {
491 outmethod.println("#include \"checkers.h\"");
495 additionalIncludesMethodsImplementation(outmethod);
497 outmethod.println("struct global_defs_t * global_defs_p;");
498 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
499 //Store the sizes of classes & array elements
500 generateSizeArray(outmethod);
502 //Store table of supertypes
503 generateSuperTypeTable(outmethod);
505 //Store the layout of classes
506 generateLayoutStructs(outmethod);
509 additionalCodeAtTopMethodsImplementation(outmethod);
511 generateMethods(outmethod);
514 protected void generateMethods(PrintWriter outmethod) {
515 /* Generate code for methods */
516 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
517 while(classit.hasNext()) {
518 ClassDescriptor cn=(ClassDescriptor)classit.next();
519 Iterator methodit=cn.getMethods();
520 while(methodit.hasNext()) {
521 /* Classify parameters */
522 MethodDescriptor md=(MethodDescriptor)methodit.next();
523 if (!callgraph.isCallable(md)) {
527 FlatMethod fm=state.getMethodFlat(md);
528 if (!md.getModifiers().isNative()) {
529 generateFlatMethod(fm, outmethod);
530 } else if (state.JNI) {
531 generateNativeFlatMethod(fm, outmethod);
537 protected void outputStructs(PrintWriter outstructs) {
538 outstructs.println("#ifndef __STRUCTDEFS_H__");
539 outstructs.println("#define __STRUCTDEFS_H__");
540 outstructs.println("#include \"classdefs.h\"");
541 outstructs.println("#ifndef INTPTR");
542 outstructs.println("#ifdef BIT64");
543 outstructs.println("#define INTPTR long");
544 outstructs.println("#else");
545 outstructs.println("#define INTPTR int");
546 outstructs.println("#endif");
547 outstructs.println("#endif");
550 additionalIncludesStructsHeader(outstructs);
553 /* Output #defines that the runtime uses to determine type
554 * numbers for various objects it needs */
555 outstructs.println("#define MAXCOUNT "+maxcount);
557 outstructs.println("#define STRINGARRAYTYPE "+
558 (state.getArrayNumber(
559 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
561 outstructs.println("#define OBJECTARRAYTYPE "+
562 (state.getArrayNumber(
563 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
566 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
567 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
568 outstructs.println("#define CHARARRAYTYPE "+
569 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
571 outstructs.println("#define BYTEARRAYTYPE "+
572 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
574 outstructs.println("#define BYTEARRAYARRAYTYPE "+
575 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
577 outstructs.println("#define NUMCLASSES "+state.numClasses());
578 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
579 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
581 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
582 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
583 outstructs.println("#define TAGARRAYTYPE "+
584 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
588 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
589 if (state.THREAD||state.DSM||state.SINGLETM)
590 outclassdefs.println("#include <pthread.h>");
591 outclassdefs.println("#ifndef INTPTR");
592 outclassdefs.println("#ifdef BIT64");
593 outclassdefs.println("#define INTPTR long");
594 outclassdefs.println("#else");
595 outclassdefs.println("#define INTPTR int");
596 outclassdefs.println("#endif");
597 outclassdefs.println("#endif");
599 outclassdefs.println("#include \"optionalstruct.h\"");
600 outclassdefs.println("struct "+arraytype+";");
601 /* Start by declaring all structs */
602 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
603 while(it.hasNext()) {
604 ClassDescriptor cn=(ClassDescriptor)it.next();
605 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
607 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
608 // this class has static fields/blocks, need to add a global flag to
609 // indicate if its static fields have been initialized and/or if its
610 // static blocks have been executed
611 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
614 outclassdefs.println("");
615 //Print out definition for array type
616 outclassdefs.println("struct "+arraytype+" {");
617 outclassdefs.println(" int type;");
618 outclassdefs.println(" int hashcode;");
620 additionalClassObjectFields(outclassdefs);
623 if (state.EVENTMONITOR) {
624 outclassdefs.println(" int objuid;");
627 outclassdefs.println(" volatile int tid;");
628 outclassdefs.println(" volatile int notifycount;");
631 outclassdefs.println(" int mutex;");
632 outclassdefs.println(" volatile int notifycount;");
633 outclassdefs.println(" volatile int objlock;");
634 if(state.MULTICOREGC) {
635 outclassdefs.println(" int marked;");
639 outclassdefs.println(" int flag;");
640 outclassdefs.println(" int ___cachedCode___;");
641 if(!state.MULTICORE) {
642 outclassdefs.println(" void * flagptr;");
644 outclassdefs.println(" int version;");
645 outclassdefs.println(" int * lock;"); // lock entry for this obj
646 outclassdefs.println(" int mutex;");
647 outclassdefs.println(" volatile int lockcount;");
648 if(state.MULTICOREGC) {
649 outclassdefs.println(" int marked;");
653 outclassdefs.println(" int numfses;");
654 outclassdefs.println(" int * fses;");
658 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
659 printedfieldstbl.clear();
660 printExtraArrayFields(outclassdefs);
661 if (state.ARRAYPAD) {
662 outclassdefs.println(" int paddingforarray;");
665 outclassdefs.println(" int ___length___;");
666 outclassdefs.println("};\n");
668 outclassdefs.println("");
669 outclassdefs.println("extern int classsize[];");
670 outclassdefs.println("extern int hasflags[];");
671 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
672 outclassdefs.println("extern int* supertypes[];");
673 outclassdefs.println("");
676 /** Prints out definitions for generic task structures */
678 protected void outputTaskTypes(PrintWriter outtask) {
679 outtask.println("#ifndef _TASK_H");
680 outtask.println("#define _TASK_H");
681 outtask.println("struct parameterdescriptor {");
682 outtask.println("int type;");
683 outtask.println("int numberterms;");
684 outtask.println("int *intarray;");
685 outtask.println("void * queue;");
686 outtask.println("int numbertags;");
687 outtask.println("int *tagarray;");
688 outtask.println("};");
690 outtask.println("struct taskdescriptor {");
691 outtask.println("void * taskptr;");
692 outtask.println("int numParameters;");
693 outtask.println(" int numTotal;");
694 outtask.println("struct parameterdescriptor **descriptorarray;");
695 outtask.println("char * name;");
696 outtask.println("};");
697 outtask.println("extern struct taskdescriptor * taskarray[];");
698 outtask.println("extern numtasks;");
699 outtask.println("#endif");
703 protected void buildRepairStructs(PrintWriter outrepairstructs) {
704 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
705 while(classit.hasNext()) {
706 ClassDescriptor cn=(ClassDescriptor)classit.next();
707 outrepairstructs.println("structure "+cn.getSymbol()+" {");
708 outrepairstructs.println(" int __type__;");
710 outrepairstructs.println(" int __flag__;");
711 if(!state.MULTICORE) {
712 outrepairstructs.println(" int __flagptr__;");
715 printRepairStruct(cn, outrepairstructs);
716 outrepairstructs.println("}\n");
719 for(int i=0; i<state.numArrays(); i++) {
720 TypeDescriptor tdarray=arraytable[i];
721 TypeDescriptor tdelement=tdarray.dereference();
722 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
723 outrepairstructs.println(" int __type__;");
724 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
725 outrepairstructs.println(" int length;");
726 outrepairstructs.println("}\n");
730 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
731 ClassDescriptor sp=cn.getSuperDesc();
733 printRepairStruct(sp, output);
735 Vector fields=(Vector)fieldorder.get(cn);
737 for(int i=0; i<fields.size(); i++) {
738 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
739 if (fd.getType().isArray()) {
740 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
741 } else if (fd.getType().isClass())
742 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
743 else if (fd.getType().isFloat())
744 output.println(" int "+fd.getSymbol()+"; /* really float */");
746 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
750 /** This method outputs TaskDescriptor information */
751 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
752 for (int i=0; i<task.numParameters(); i++) {
753 VarDescriptor param_var=task.getParameter(i);
754 TypeDescriptor param_type=task.getParamType(i);
755 FlagExpressionNode param_flag=task.getFlag(param_var);
756 TagExpressionList param_tag=task.getTag(param_var);
759 if (param_flag==null) {
760 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
761 output.println("0x0, 0x0 };");
764 DNFFlag dflag=param_flag.getDNF();
765 dnfterms=dflag.size();
767 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
768 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
769 for(int j=0; j<dflag.size(); j++) {
772 Vector term=dflag.get(j);
775 for(int k=0; k<term.size(); k++) {
776 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
777 FlagDescriptor fd=dfa.getFlag();
778 boolean negated=dfa.getNegated();
779 int flagid=1<<((Integer)flags.get(fd)).intValue();
784 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
786 output.println("};");
789 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
791 for(int j=0; j<param_tag.numTags(); j++) {
794 /* for each tag we need */
795 /* which slot it is */
796 /* what type it is */
797 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
798 TempDescriptor tmp=param_tag.getTemp(j);
799 int slot=fm.getTagInt(tmp);
800 output.println(slot+", "+state.getTagId(tvd.getTag()));
802 output.println("};");
804 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
805 output.println("/* type */"+param_type.getClassDesc().getId()+",");
806 output.println("/* number of DNF terms */"+dnfterms+",");
807 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
808 output.println("0,");
810 output.println("/* number of tags */"+param_tag.numTags()+",");
812 output.println("/* number of tags */ 0,");
813 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
814 output.println("};");
818 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
819 for (int i=0; i<task.numParameters(); i++) {
822 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
824 output.println("};");
826 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
827 output.println("&"+task.getSafeSymbol()+",");
828 output.println("/* number of parameters */" +task.numParameters() + ",");
829 int numtotal=task.numParameters()+fm.numTags();
830 output.println("/* number total parameters */" +numtotal + ",");
831 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
832 output.println("\""+task.getSymbol()+"\"");
833 output.println("};");
837 /** The buildVirtualTables method outputs the virtual dispatch
838 * tables for methods. */
840 protected void buildVirtualTables(PrintWriter outvirtual) {
841 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
842 while(classit.hasNext()) {
843 ClassDescriptor cd=(ClassDescriptor)classit.next();
844 if (virtualcalls.getMethodCount(cd)>maxcount)
845 maxcount=virtualcalls.getMethodCount(cd);
847 MethodDescriptor[][] virtualtable=null;
848 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
850 /* Fill in virtual table */
851 classit=state.getClassSymbolTable().getDescriptorsIterator();
852 while(classit.hasNext()) {
853 ClassDescriptor cd=(ClassDescriptor)classit.next();
854 if(cd.isInterface()) {
857 fillinRow(cd, virtualtable, cd.getId());
860 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
861 Iterator arrayit=state.getArrayIterator();
862 while(arrayit.hasNext()) {
863 TypeDescriptor td=(TypeDescriptor)arrayit.next();
864 int id=state.getArrayNumber(td);
865 fillinRow(objectcd, virtualtable, id+state.numClasses());
868 outvirtual.print("void * virtualtable[]={");
869 boolean needcomma=false;
870 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
871 for(int j=0; j<maxcount; j++) {
873 outvirtual.print(", ");
874 if (virtualtable[i][j]!=null) {
875 MethodDescriptor md=virtualtable[i][j];
876 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
878 outvirtual.print("0");
882 outvirtual.println("");
884 outvirtual.println("};");
888 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
889 /* Get inherited methods */
890 Iterator it_sifs = cd.getSuperInterfaces();
891 while(it_sifs.hasNext()) {
892 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
893 fillinRow(superif, virtualtable, rownum);
895 if (cd.getSuperDesc()!=null)
896 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
897 /* Override them with our methods */
898 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
899 MethodDescriptor md=(MethodDescriptor)it.next();
900 if (md.isStatic()||md.getReturnType()==null)
903 if (!callgraph.isCallable(md)) {
907 int methodnum = virtualcalls.getMethodNumber(md);
908 virtualtable[rownum][methodnum]=md;
912 /** Generate array that contains the sizes of class objects. The
913 * object allocation functions in the runtime use this
916 protected void generateSizeArray(PrintWriter outclassdefs) {
917 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
918 generateSizeArrayExtensions(outclassdefs);
920 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
921 cdarray=new ClassDescriptor[state.numClasses()];
922 ifarray = new ClassDescriptor[state.numInterfaces()];
925 while(it.hasNext()) {
926 ClassDescriptor cd=(ClassDescriptor)it.next();
927 if(cd.isInterface()) {
928 ifarray[cd.getId()] = cd;
930 cdarray[cd.getId()] = cd;
934 arraytable=new TypeDescriptor[state.numArrays()];
936 Iterator arrayit=state.getArrayIterator();
937 while(arrayit.hasNext()) {
938 TypeDescriptor td=(TypeDescriptor)arrayit.next();
939 int id=state.getArrayNumber(td);
943 /* Print out types */
944 outclassdefs.println("/* ");
945 for(int i=0; i<state.numClasses(); i++) {
946 ClassDescriptor cd=cdarray[i];
948 outclassdefs.println("NULL " + i);
950 outclassdefs.println(cd +" "+i);
954 for(int i=0; i<state.numArrays(); i++) {
955 TypeDescriptor arraytd=arraytable[i];
956 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
959 for(int i=0; i<state.numInterfaces(); i++) {
960 ClassDescriptor ifcd = ifarray[i];
961 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
964 outclassdefs.println("*/");
967 outclassdefs.print("int classsize[]={");
969 boolean needcomma=false;
970 for(int i=0; i<state.numClasses(); i++) {
972 outclassdefs.print(", ");
974 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
976 outclassdefs.print("0");
982 for(int i=0; i<state.numArrays(); i++) {
984 outclassdefs.print(", ");
985 TypeDescriptor tdelement=arraytable[i].dereference();
986 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
987 outclassdefs.print("sizeof(void *)");
989 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
993 for(int i=0; i<state.numInterfaces(); i++) {
995 outclassdefs.print(", ");
996 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1000 outclassdefs.println("};");
1002 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1004 outclassdefs.print("int typearray[]={");
1005 for(int i=0; i<state.numClasses(); i++) {
1006 ClassDescriptor cd=cdarray[i];
1007 ClassDescriptor supercd=i>0 ? cd.getSuperDesc() : null;
1008 if(supercd != null && supercd.isInterface()) {
1009 throw new Error("Super class can not be interfaces");
1012 outclassdefs.print(", ");
1014 outclassdefs.print("-1");
1016 outclassdefs.print(supercd.getId());
1020 for(int i=0; i<state.numArrays(); i++) {
1021 TypeDescriptor arraytd=arraytable[i];
1022 ClassDescriptor arraycd=arraytd.getClassDesc();
1023 if (arraycd==null) {
1025 outclassdefs.print(", ");
1026 outclassdefs.print(objectclass.getId());
1030 ClassDescriptor cd=arraycd.getSuperDesc();
1033 TypeDescriptor supertd=new TypeDescriptor(cd);
1034 supertd.setArrayCount(arraytd.getArrayCount());
1035 type=state.getArrayNumber(supertd);
1037 type+=state.numClasses();
1040 cd=cd.getSuperDesc();
1043 outclassdefs.print(", ");
1044 outclassdefs.print(type);
1048 for(int i=0; i<state.numInterfaces(); i++) {
1049 ClassDescriptor cd=ifarray[i];
1050 ClassDescriptor supercd=cd.getSuperDesc();
1051 if(supercd != null && supercd.isInterface()) {
1052 throw new Error("Super class can not be interfaces");
1055 outclassdefs.print(", ");
1057 outclassdefs.print("-1");
1059 outclassdefs.print(supercd.getId());
1063 outclassdefs.println("};");
1068 outclassdefs.print("int typearray2[]={");
1069 for(int i=0; i<state.numArrays(); i++) {
1070 TypeDescriptor arraytd=arraytable[i];
1071 ClassDescriptor arraycd=arraytd.getClassDesc();
1072 if (arraycd==null) {
1074 outclassdefs.print(", ");
1075 outclassdefs.print("-1");
1079 ClassDescriptor cd=arraycd.getSuperDesc();
1080 int level=arraytd.getArrayCount()-1;
1082 for(; level>0; level--) {
1083 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1084 supertd.setArrayCount(level);
1085 type=state.getArrayNumber(supertd);
1087 type+=state.numClasses();
1092 outclassdefs.print(", ");
1093 outclassdefs.print(type);
1097 outclassdefs.println("};");
1100 /** Constructs params and temp objects for each method or task.
1101 * These objects tell the compiler which temps need to be
1104 protected void generateTempStructs(FlatMethod fm) {
1105 MethodDescriptor md=fm.getMethod();
1106 TaskDescriptor task=fm.getTask();
1107 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
1109 paramstable.put(md, objectparams);
1111 paramstable.put(task, objectparams);
1113 for(int i=0; i<fm.numParameters(); i++) {
1114 TempDescriptor temp=fm.getParameter(i);
1115 TypeDescriptor type=temp.getType();
1116 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1117 objectparams.addPtr(temp);
1119 objectparams.addPrim(temp);
1122 for(int i=0; i<fm.numTags(); i++) {
1123 TempDescriptor temp=fm.getTag(i);
1124 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1125 objectparams.addPtr(temp);
1127 objectparams.addPrim(temp);
1130 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
1132 tempstable.put(md, objecttemps);
1134 tempstable.put(task, objecttemps);
1136 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1137 FlatNode fn=(FlatNode)nodeit.next();
1138 TempDescriptor[] writes=fn.writesTemps();
1139 for(int i=0; i<writes.length; i++) {
1140 TempDescriptor temp=writes[i];
1141 TypeDescriptor type=temp.getType();
1142 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1143 objecttemps.addPtr(temp);
1145 objecttemps.addPrim(temp);
1150 /** This method outputs the following information about classes
1152 * (1) For classes, what are the locations of pointers.
1153 * (2) For arrays, does the array contain pointers or primitives.
1154 * (3) For classes, does the class contain flags.
1157 protected void generateLayoutStructs(PrintWriter output) {
1158 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1159 while(it.hasNext()) {
1160 ClassDescriptor cn=(ClassDescriptor)it.next();
1161 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1162 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
1164 while(allit.hasNext()) {
1165 FieldDescriptor fd=(FieldDescriptor)allit.next();
1169 TypeDescriptor type=fd.getType();
1173 output.print(count);
1174 allit=cn.getFieldTable().getAllDescriptorsIterator();
1175 while(allit.hasNext()) {
1176 FieldDescriptor fd=(FieldDescriptor)allit.next();
1180 TypeDescriptor type=fd.getType();
1182 output.println(",");
1183 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1184 fd.getSafeSymbol()+"))");
1187 output.println("};");
1190 output.println("unsigned INTPTR * pointerarray[]={");
1191 boolean needcomma=false;
1192 for(int i=0; i<state.numClasses(); i++) {
1193 ClassDescriptor cn=cdarray[i];
1195 output.println(",");
1198 output.print(cn.getSafeSymbol()+"_pointers");
1200 output.print("NULL");
1204 for(int i=0; i<state.numArrays(); i++) {
1206 output.println(", ");
1207 TypeDescriptor tdelement=arraytable[i].dereference();
1208 if (tdelement.isArray()||tdelement.isClass())
1209 output.print("((unsigned INTPTR *)1)");
1215 output.println("};");
1217 output.println("int hasflags[]={");
1218 for(int i=0; i<state.numClasses(); i++) {
1219 ClassDescriptor cn=cdarray[i];
1221 output.println(", ");
1223 if ((cn != null) && (cn.hasFlags()))
1228 output.println("};");
1231 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1234 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1235 supertd.setArrayCount(arraytd.getArrayCount());
1236 type=state.getArrayNumber(supertd);
1241 ClassDescriptor cd = arraycd.getSuperDesc();
1243 type = checkarraysupertype(cd, arraytd);
1249 Iterator it_sifs = arraycd.getSuperInterfaces();
1250 while(it_sifs.hasNext()) {
1251 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1252 type = checkarraysupertype(ifcd, arraytd);
1262 /** Print out table to give us supertypes */
1263 protected void generateSuperTypeTable(PrintWriter output) {
1264 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1265 for(int i=0; i<state.numClasses(); i++) {
1266 ClassDescriptor cn=cdarray[i];
1270 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1271 boolean ncomma = false;
1273 if((cn != null) && (cn.getSuperDesc() != null)) {
1276 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1277 while(it_sifs != null && it_sifs.hasNext()) {
1283 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1287 ClassDescriptor cdsuper=cn.getSuperDesc();
1288 output.print(cdsuper.getId());
1290 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1291 while(it_sifs != null && it_sifs.hasNext()) {
1295 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1298 output.println("};");
1301 for(int i=0; i<state.numArrays(); i++) {
1302 TypeDescriptor arraytd=arraytable[i];
1303 ClassDescriptor arraycd=arraytd.getClassDesc();
1304 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1305 boolean ncomma = false;
1307 if (arraycd==null) {
1311 output.print(objectclass.getId());
1312 output.println("};");
1315 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1318 Iterator it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1319 while(it_sifs != null && it_sifs.hasNext()) {
1325 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1326 ClassDescriptor cd=arraycd.getSuperDesc();
1329 type = checkarraysupertype(cd, arraytd);
1331 type += state.numClasses();
1338 it_sifs = arraycd != null? arraycd.getSuperInterfaces() : null;
1339 while(it_sifs != null && it_sifs.hasNext()) {
1340 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1341 int type = checkarraysupertype(ifcd , arraytd);
1343 type += state.numClasses();
1349 output.println("};");
1352 for(int i=0; i<state.numInterfaces(); i++) {
1353 ClassDescriptor cn=ifarray[i];
1357 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1358 boolean ncomma = false;
1360 if((cn != null) && (cn.getSuperDesc() != null)) {
1363 Iterator it_sifs = cn != null? cn.getSuperInterfaces() : null;
1364 while(it_sifs != null && it_sifs.hasNext()) {
1370 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1374 ClassDescriptor cdsuper=cn.getSuperDesc();
1375 output.print(cdsuper.getId());
1377 it_sifs = cn != null? cn.getSuperInterfaces() : null;
1378 while(it_sifs != null && it_sifs.hasNext()) {
1382 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1385 output.println("};");
1388 output.println("int* supertypes[]={");
1389 boolean needcomma=false;
1390 for(int i=0; i<state.numClasses(); i++) {
1391 ClassDescriptor cn=cdarray[i];
1393 output.println(",");
1396 output.print("supertypes" + cn.getSafeSymbol());
1402 for(int i=0; i<state.numArrays(); i++) {
1404 output.println(",");
1406 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1409 for(int i=0; i<state.numInterfaces(); i++) {
1410 ClassDescriptor cn=ifarray[i];
1412 output.println(",");
1414 output.print("supertypes" + cn.getSafeSymbol());
1416 output.println("};");
1419 /** Force consistent field ordering between inherited classes. */
1421 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1423 ClassDescriptor sp=cn.getSuperDesc();
1425 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1427 SymbolTable sitbl = cn.getSuperInterfaceTable();
1428 Iterator it_sifs = sitbl.getDescriptorsIterator();
1429 while(it_sifs.hasNext()) {
1430 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1431 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1434 if (!fieldorder.containsKey(cn)) {
1435 Vector fields=new Vector();
1436 fieldorder.put(cn,fields);
1438 Vector fieldvec=cn.getFieldVec();
1440 for(int i=0; i<fieldvec.size(); i++) {
1441 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1442 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1445 it_sifs = sitbl.getDescriptorsIterator();
1446 while(it_sifs.hasNext()) {
1447 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1448 if(si.getFieldTable().contains(fd.getSymbol())) {
1456 //Vector fields=(Vector)fieldorder.get(cn);
1458 Vector fields = cn.getFieldVec();
1460 for(int i=0; i<fields.size(); i++) {
1461 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1462 String fstring = fd.getSafeSymbol();
1463 if(printedfieldstbl.containsKey(fstring)) {
1464 printedfieldstbl.put(fstring, cn);
1467 printedfieldstbl.put(fstring, cn);
1469 if (fd.getType().isClass()
1470 && fd.getType().getClassDesc().isEnum()) {
1471 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1472 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1473 if (fd.isStatic()) {
1474 // TODO add version for normal Java later
1476 if(globaldefout != null) {
1477 if(fd.isVolatile()) {
1478 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1480 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1484 } else if (fd.isVolatile()) {
1486 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1488 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1490 } else if (fd.isStatic()) {
1491 // TODO add version for normal Java later
1493 if(globaldefout != null) {
1494 if(fd.isVolatile()) {
1495 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1497 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1500 } else if (fd.isVolatile()) {
1502 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1504 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1509 /* Map flags to integers consistently between inherited
1512 protected void mapFlags(ClassDescriptor cn) {
1513 ClassDescriptor sp=cn.getSuperDesc();
1517 if (!flagorder.containsKey(cn)) {
1518 Hashtable flags=new Hashtable();
1519 flagorder.put(cn,flags);
1521 Hashtable superflags=(Hashtable)flagorder.get(sp);
1522 Iterator superflagit=superflags.keySet().iterator();
1523 while(superflagit.hasNext()) {
1524 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1525 Integer number=(Integer)superflags.get(fd);
1526 flags.put(fd, number);
1527 if ((number.intValue()+1)>max)
1528 max=number.intValue()+1;
1532 Iterator flagit=cn.getFlags();
1533 while(flagit.hasNext()) {
1534 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1535 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1536 flags.put(fd, new Integer(max++));
1542 /** This function outputs (1) structures that parameters are
1543 * passed in (when PRECISE GC is enabled) and (2) function
1544 * prototypes for the methods */
1546 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1547 /* Output class structure */
1548 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1549 classdefout.println(" int type;");
1550 classdefout.println(" int hashcode;");
1552 additionalClassObjectFields(classdefout);
1555 if (state.EVENTMONITOR) {
1556 classdefout.println(" int objuid;");
1559 classdefout.println(" volatile int tid;");
1560 classdefout.println(" volatile int notifycount;");
1563 classdefout.println(" int mutex;");
1564 classdefout.println(" volatile int notifycount;");
1565 classdefout.println(" volatile int objlock;");
1566 if(state.MULTICOREGC) {
1567 classdefout.println(" int marked;");
1571 classdefout.println(" int flag;");
1572 classdefout.println(" int ___cachedCode___;");
1573 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1574 classdefout.println(" void * flagptr;");
1575 } else if (state.MULTICORE) {
1576 classdefout.println(" int version;");
1577 classdefout.println(" int * lock;"); // lock entry for this obj
1578 classdefout.println(" int mutex;");
1579 classdefout.println(" volatile int lockcount;");
1580 if(state.MULTICOREGC) {
1581 classdefout.println(" int marked;");
1584 if (state.OPTIONAL) {
1585 classdefout.println(" int numfses;");
1586 classdefout.println(" int * fses;");
1589 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1590 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1591 classdefout.println("};\n");
1592 generateCallStructsMethods(cn, output, headersout);
1596 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1597 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1598 MethodDescriptor md=(MethodDescriptor)methodit.next();
1600 if (!callgraph.isCallable(md)) {
1604 generateMethod(cn, md, headersout, output);
1608 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1609 /* Output parameter structure */
1610 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1611 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1612 // generate the staticinit version
1613 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1615 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1616 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1617 output.println(" int size;");
1618 output.println(" void * next;");
1619 for(int i=0; i<objectparams.numPointers(); i++) {
1620 TempDescriptor temp=objectparams.getPointer(i);
1621 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1622 output.println(" int " + temp.getSafeSymbol() + ";");
1624 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1627 output.println("};\n");
1630 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1631 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1632 output.println(" int size;");
1633 output.println(" void * next;");
1634 for(int i=0; i<objectparams.numPointers(); i++) {
1635 TempDescriptor temp=objectparams.getPointer(i);
1636 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1637 output.println(" int " + temp.getSafeSymbol() + ";");
1639 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1642 output.println("};\n");
1646 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1647 FlatMethod fm=state.getMethodFlat(md);
1648 generateTempStructs(fm);
1650 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1651 TempObject objecttemps=(TempObject) tempstable.get(md);
1653 boolean printcomma = false;
1655 generateMethodParam(cn, md, output);
1657 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1658 // generate the staticinit version
1659 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1661 /* Output temp structure */
1662 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1663 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1664 output.println(" int size;");
1665 output.println(" void * next;");
1666 for(int i=0; i<objecttemps.numPointers(); i++) {
1667 TempDescriptor temp=objecttemps.getPointer(i);
1668 if (!temp.getType().isArray() && temp.getType().isNull())
1669 output.println(" void * "+temp.getSafeSymbol()+";");
1671 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1673 output.println("};\n");
1676 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1677 /* First the return type */
1678 if (md.getReturnType()!=null) {
1679 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1680 headersout.println(" int ");
1681 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1682 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1684 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1686 //catch the constructor case
1687 headersout.print("void ");
1689 /* Next the method name */
1690 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1692 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1693 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1697 /* Output parameter list*/
1698 for(int i=0; i<objectparams.numPrimitives(); i++) {
1699 TempDescriptor temp=objectparams.getPrimitive(i);
1701 headersout.print(", ");
1703 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1704 headersout.print("int " + temp.getSafeSymbol());
1705 } else if (temp.getType().isClass()||temp.getType().isArray())
1706 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1708 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1710 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1711 headersout.print(", int linenum");
1713 headersout.println(");\n");
1716 /* Output temp structure */
1717 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1718 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1719 output.println(" int size;");
1720 output.println(" void * next;");
1721 for(int i=0; i<objecttemps.numPointers(); i++) {
1722 TempDescriptor temp=objecttemps.getPointer(i);
1723 if (!temp.getType().isArray() && temp.getType().isNull())
1724 output.println(" void * "+temp.getSafeSymbol()+";");
1726 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1728 output.println("};\n");
1731 /********* Output method declaration ***********/
1732 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1733 /* First the return type */
1734 if (md.getReturnType()!=null) {
1735 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1736 headersout.println(" int ");
1737 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1738 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1740 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1742 //catch the constructor case
1743 headersout.print("void ");
1745 /* Next the method name */
1746 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1748 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1749 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1753 /* Output parameter list*/
1754 for(int i=0; i<objectparams.numPrimitives(); i++) {
1755 TempDescriptor temp=objectparams.getPrimitive(i);
1757 headersout.print(", ");
1759 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1760 headersout.print("int " + temp.getSafeSymbol());
1761 } else if (temp.getType().isClass()||temp.getType().isArray())
1762 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1764 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1766 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1767 headersout.print(", int linenum");
1769 headersout.println(");\n");
1773 /** This function outputs (1) structures that parameters are
1774 * passed in (when PRECISE GC is enabled) and (2) function
1775 * prototypes for the tasks */
1777 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1778 /* Cycle through tasks */
1779 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1781 while(taskit.hasNext()) {
1782 /* Classify parameters */
1783 TaskDescriptor task=(TaskDescriptor)taskit.next();
1784 FlatMethod fm=state.getMethodFlat(task);
1785 generateTempStructs(fm);
1787 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1788 TempObject objecttemps=(TempObject) tempstable.get(task);
1790 /* Output parameter structure */
1791 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1792 output.println("struct "+task.getSafeSymbol()+"_params {");
1793 output.println(" int size;");
1794 output.println(" void * next;");
1795 for(int i=0; i<objectparams.numPointers(); i++) {
1796 TempDescriptor temp=objectparams.getPointer(i);
1797 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1800 output.println("};\n");
1801 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1802 maxtaskparams=objectparams.numPointers()+fm.numTags();
1806 /* Output temp structure */
1807 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1808 output.println("struct "+task.getSafeSymbol()+"_locals {");
1809 output.println(" int size;");
1810 output.println(" void * next;");
1811 for(int i=0; i<objecttemps.numPointers(); i++) {
1812 TempDescriptor temp=objecttemps.getPointer(i);
1813 if (!temp.getType().isArray() && temp.getType().isNull())
1814 output.println(" void * "+temp.getSafeSymbol()+";");
1815 else if(temp.getType().isTag())
1816 output.println(" struct "+
1817 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1819 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1821 output.println("};\n");
1824 /* Output task declaration */
1825 headersout.print("void " + task.getSafeSymbol()+"(");
1827 boolean printcomma=false;
1828 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1829 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1831 headersout.print("void * parameterarray[]");
1832 headersout.println(");\n");
1836 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1837 MethodDescriptor md=fm.getMethod();
1838 ClassDescriptor cd=md.getClassDesc();
1839 generateHeader(fm, md, outmethod);
1841 outmethod.println("JNIPUSHFRAME();");
1842 if (md.getModifiers().isStatic()) {
1843 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1845 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1848 for(int i=startindex;i<fm.numParameters();i++) {
1849 TempDescriptor tmp=fm.getParameter(i);
1850 if (tmp.getType().isPtr()) {
1851 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1854 if (GENERATEPRECISEGC) {
1855 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1857 if (!md.getReturnType().isVoid()) {
1858 if (md.getReturnType().isPtr())
1859 outmethod.print("jobject retval=");
1861 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1863 outmethod.print("Java_");
1864 outmethod.print(cd.getPackage().replace('.','_'));
1865 outmethod.print("_"+md.getSymbol()+"(");
1866 outmethod.print("JNI_vtable, rec");
1868 for(int i=startindex;i<fm.numParameters();i++) {
1869 outmethod.print(", ");
1870 TempDescriptor tmp=fm.getParameter(i);
1871 if (tmp.getType().isPtr()) {
1872 outmethod.print("param"+i);
1874 outmethod.print(generateTemp(fm, tmp));
1877 outmethod.println(");");
1878 if (GENERATEPRECISEGC) {
1879 outmethod.println("restartaftergc();");
1881 if (!md.getReturnType().isVoid()) {
1882 if (md.getReturnType().isPtr()) {
1883 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1884 outmethod.println("JNIPOPFRAME();");
1885 outmethod.println("return retobj;");
1887 outmethod.println("JNIPOPFRAME();");
1888 outmethod.println("return retval;");
1891 outmethod.println("JNIPOPFRAME();");
1893 outmethod.println("}");
1894 outmethod.println("");
1897 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1898 if (State.PRINTFLAT)
1899 System.out.println(fm.printMethod());
1900 MethodDescriptor md=fm.getMethod();
1901 TaskDescriptor task=fm.getTask();
1902 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
1903 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null ? md : task);
1905 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1906 // generate a special static init version
1907 mgcstaticinit = true;
1908 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1910 generateHeader(fm, md!=null ? md : task,output);
1911 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1913 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1914 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
1915 output.print(objecttemp.numPointers()+",");
1916 output.print(paramsprefix);
1917 for(int j=0; j<objecttemp.numPointers(); j++)
1918 output.print(", NULL");
1919 output.println("};");
1922 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1923 TempDescriptor td=objecttemp.getPrimitive(i);
1924 TypeDescriptor type=td.getType();
1925 if (type.isNull() && !type.isArray())
1926 output.println(" void * "+td.getSafeSymbol()+";");
1927 else if (type.isClass() && type.getClassDesc().isEnum()) {
1928 output.println(" int " + td.getSafeSymbol() + ";");
1929 } else if (type.isClass()||type.isArray())
1930 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1932 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1935 additionalCodeAtTopFlatMethodBody(output, fm);
1937 /* Check to see if we need to do a GC if this is a
1938 * multi-threaded program...*/
1940 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
1941 //Don't bother if we aren't in recursive methods...The loops case will catch it
1942 if (callgraph.getAllMethods(md).contains(md)) {
1943 if (this.state.MULTICOREGC) {
1944 output.println("if(gcflag) gc("+localsprefixaddr+");");
1946 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1951 generateCode(fm.getNext(0), fm, null, output);
1953 output.println("}\n\n");
1955 mgcstaticinit = false;
1958 generateHeader(fm, md!=null ? md : task,output);
1959 TempObject objecttemp=(TempObject) tempstable.get(md!=null ? md : task);
1961 if((md != null) && (md.isStaticBlock())) {
1962 mgcstaticinit = true;
1965 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1967 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1969 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1970 output.print(objecttemp.numPointers()+",");
1971 output.print(paramsprefix);
1972 for(int j=0; j<objecttemp.numPointers(); j++)
1973 output.print(", NULL");
1974 output.println("};");
1977 for(int i=0; i<objecttemp.numPrimitives(); i++) {
1978 TempDescriptor td=objecttemp.getPrimitive(i);
1979 TypeDescriptor type=td.getType();
1980 if (type.isNull() && !type.isArray())
1981 output.println(" void * "+td.getSafeSymbol()+";");
1982 else if (type.isClass() && type.getClassDesc().isEnum()) {
1983 output.println(" int " + td.getSafeSymbol() + ";");
1984 } else if (type.isClass()||type.isArray())
1985 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1987 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1990 additionalCodeAtTopFlatMethodBody(output, fm);
1992 /* Check to see if we need to do a GC if this is a
1993 * multi-threaded program...*/
1995 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
1996 || this.state.MULTICOREGC) {
1997 //Don't bother if we aren't in recursive methods...The loops case will catch it
1998 if (callgraph.getAllMethods(md).contains(md)) {
1999 if (this.state.MULTICOREGC) {
2000 output.println("if(gcflag) gc("+localsprefixaddr+");");
2002 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2007 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2008 // a static block, check if it has been executed
2009 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2010 output.println(" return;");
2011 output.println(" }");
2015 generateCode(fm.getNext(0), fm, null, output);
2017 output.println("}\n\n");
2019 mgcstaticinit = false;
2022 protected void generateCode(FlatNode first,
2024 Set<FlatNode> stopset,
2025 PrintWriter output) {
2027 /* Assign labels to FlatNode's if necessary.*/
2029 Hashtable<FlatNode, Integer> nodetolabel;
2031 nodetolabel=assignLabels(first, stopset);
2033 Set<FlatNode> storeset=null;
2034 HashSet<FlatNode> genset=null;
2035 HashSet<FlatNode> refset=null;
2036 Set<FlatNode> unionset=null;
2038 /* Do the actual code generation */
2039 FlatNode current_node=null;
2040 HashSet tovisit=new HashSet();
2041 HashSet visited=new HashSet();
2043 while(current_node!=null||!tovisit.isEmpty()) {
2044 if (current_node==null) {
2045 current_node=(FlatNode)tovisit.iterator().next();
2046 tovisit.remove(current_node);
2047 } else if (tovisit.contains(current_node)) {
2048 tovisit.remove(current_node);
2050 visited.add(current_node);
2051 if (nodetolabel.containsKey(current_node)) {
2052 output.println("L"+nodetolabel.get(current_node)+":");
2054 if (state.INSTRUCTIONFAILURE) {
2056 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2058 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2060 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2062 generateFlatNode(fm, current_node, output);
2064 if (state.OOOJAVA && stopset!=null) {
2065 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2066 assert current_node instanceof FlatSESEExitNode;
2067 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2068 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2069 assert fsen.getFlatExit().equals(fsxn);
2070 assert fsxn.getFlatEnter().equals(fsen);
2072 if (current_node.kind()!=FKind.FlatReturnNode) {
2073 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2074 // a static block, check if it has been executed
2075 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2078 output.println(" return;");
2081 } else if(current_node.numNext()==1) {
2083 if (state.OOOJAVA &&
2084 current_node.kind()==FKind.FlatSESEEnterNode) {
2085 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2086 generateFlatNode(fm, current_node, output);
2087 nextnode=fsen.getFlatExit().getNext(0);
2090 generateFlatNode(fm, current_node, output);
2091 nextnode=current_node.getNext(0);
2093 if (visited.contains(nextnode)) {
2094 output.println("goto L"+nodetolabel.get(nextnode)+";");
2097 current_node=nextnode;
2098 } else if (current_node.numNext()==2) {
2101 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2102 if (!visited.contains(current_node.getNext(1)))
2103 tovisit.add(current_node.getNext(1));
2104 if (visited.contains(current_node.getNext(0))) {
2105 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2108 current_node=current_node.getNext(0);
2109 } else throw new Error();
2113 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2114 HashSet tovisit=new HashSet();
2115 HashSet visited=new HashSet();
2117 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2120 /*Assign labels first. A node needs a label if the previous
2121 * node has two exits or this node is a join point. */
2123 while(!tovisit.isEmpty()) {
2124 FlatNode fn=(FlatNode)tovisit.iterator().next();
2129 if(lastset!=null&&lastset.contains(fn)) {
2130 // if last is not null and matches, don't go
2131 // any further for assigning labels
2135 for(int i=0; i<fn.numNext(); i++) {
2136 FlatNode nn=fn.getNext(i);
2139 //1) Edge >1 of node
2140 nodetolabel.put(nn,new Integer(labelindex++));
2142 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2146 nodetolabel.put(nn,new Integer(labelindex++));
2153 /** Generate text string that corresponds to the TempDescriptor td. */
2154 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2155 MethodDescriptor md=fm.getMethod();
2156 TaskDescriptor task=fm.getTask();
2157 TempObject objecttemps=(TempObject) tempstable.get(md!=null ? md : task);
2159 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2160 return td.getSafeSymbol();
2163 if (objecttemps.isLocalPtr(td)) {
2164 return localsprefixderef+td.getSafeSymbol();
2167 if (objecttemps.isParamPtr(td)) {
2168 return paramsprefix+"->"+td.getSafeSymbol();
2176 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2177 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2178 additionalCodePreNode(fm, fn, output);
2181 case FKind.FlatAtomicEnterNode:
2182 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2185 case FKind.FlatAtomicExitNode:
2186 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2189 case FKind.FlatInstanceOfNode:
2190 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2193 case FKind.FlatSESEEnterNode:
2194 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2197 case FKind.FlatSESEExitNode:
2198 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2201 case FKind.FlatWriteDynamicVarNode:
2202 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2205 case FKind.FlatGlobalConvNode:
2206 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2209 case FKind.FlatTagDeclaration:
2210 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2213 case FKind.FlatCall:
2214 generateFlatCall(fm, (FlatCall) fn,output);
2217 case FKind.FlatFieldNode:
2218 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2221 case FKind.FlatElementNode:
2222 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2225 case FKind.FlatSetElementNode:
2226 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2229 case FKind.FlatSetFieldNode:
2230 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2234 generateFlatNew(fm, (FlatNew) fn,output);
2237 case FKind.FlatOpNode:
2238 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2241 case FKind.FlatCastNode:
2242 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2245 case FKind.FlatLiteralNode:
2246 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2249 case FKind.FlatReturnNode:
2250 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2254 output.println("/* nop */");
2257 case FKind.FlatGenReachNode:
2258 // this node is just for generating a reach graph
2259 // in disjointness analysis at a particular program point
2262 case FKind.FlatExit:
2263 output.println("/* exit */");
2266 case FKind.FlatBackEdge:
2267 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2270 case FKind.FlatCheckNode:
2271 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2274 case FKind.FlatFlagActionNode:
2275 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2278 case FKind.FlatPrefetchNode:
2279 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2282 case FKind.FlatOffsetNode:
2283 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2290 additionalCodePostNode(fm, fn, output);
2293 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2294 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2295 || (this.state.MULTICOREGC)) {
2296 if(this.state.MULTICOREGC) {
2297 output.println("if (gcflag) gc("+localsprefixaddr+");");
2299 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2302 output.println("/* nop */");
2305 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2306 output.println("/* FlatOffsetNode */");
2307 FieldDescriptor fd=fofn.getField();
2308 if(!fd.isStatic()) {
2309 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2310 fd.getSafeSymbol()+");");
2312 output.println("/* offset */");
2315 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2318 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2321 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2324 if (fion.getType().isArray()) {
2325 type=state.getArrayNumber(fion.getType())+state.numClasses();
2326 } else if (fion.getType().getClassDesc().isInterface()) {
2327 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2329 type=fion.getType().getClassDesc().getId();
2331 if (fion.getSrc().getType().isArray()) {
2332 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2333 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2334 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2336 otype=fion.getSrc().getType().getClassDesc().getId();
2339 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2340 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2342 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2346 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2349 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2352 public void generateFlatSESEEnterNode(FlatMethod fm,
2353 FlatSESEEnterNode fsen,
2354 PrintWriter output) {
2355 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2356 // just skip over them and code generates exactly the same
2359 public void generateFlatSESEExitNode(FlatMethod fm,
2360 FlatSESEExitNode fsexn,
2361 PrintWriter output) {
2362 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2363 // just skip over them and code generates exactly the same
2366 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2367 FlatWriteDynamicVarNode fwdvn,
2368 PrintWriter output) {
2372 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2373 if (state.CONSCHECK) {
2374 String specname=fcn.getSpec();
2375 String varname="repairstate___";
2376 output.println("{");
2377 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2379 TempDescriptor[] temps=fcn.getTemps();
2380 String[] vars=fcn.getVars();
2381 for(int i=0; i<temps.length; i++) {
2382 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2385 output.println("if (doanalysis"+specname+"("+varname+")) {");
2386 output.println("free"+specname+"_state("+varname+");");
2387 output.println("} else {");
2388 output.println("/* Bad invariant */");
2389 output.println("free"+specname+"_state("+varname+");");
2390 output.println("abort_task();");
2391 output.println("}");
2392 output.println("}");
2396 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2397 MethodDescriptor md=fc.getMethod();
2398 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2399 ClassDescriptor cn=md.getClassDesc();
2400 String mdstring = md.getSafeMethodDescriptor();
2401 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2402 mdstring += "staticinit";
2405 // if the called method is a static block or a static method or a constructor
2406 // need to check if it can be invoked inside some static block
2407 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2408 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2409 if(!md.isInvokedByStatic()) {
2410 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2412 // is a static block or is invoked in some static block
2413 ClassDescriptor cd = fm.getMethod().getClassDesc();
2414 if(cd != cn && mgcstaticinit) {
2415 // generate static init check code if it has not done static init in main()
2416 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2417 // need to check if the class' static fields have been initialized and/or
2418 // its static blocks have been executed
2419 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2420 if(cn.getNumStaticBlocks() != 0) {
2421 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2422 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2423 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2424 output.println("0, NULL};");
2425 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2427 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2430 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2432 output.println("}");
2436 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2437 output.println("{");
2438 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2439 output.println("int monitorenterline = __LINE__;");
2441 // call MonitorEnter/MonitorExit on a class obj
2442 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2443 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2444 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2445 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2446 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2448 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2451 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2452 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2453 + fc.getThis().getType().getClassDesc().getId() + "]));");
2455 output.println("}");
2459 output.println("{");
2460 if(md.getSymbol().equals("MonitorEnter")) {
2461 output.println("int monitorenterline = __LINE__;");
2463 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2464 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2465 output.print(objectparams.numPointers());
2466 output.print(", "+localsprefixaddr);
2467 if (md.getThis()!=null) {
2469 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2471 if (fc.getThis()!=null&&md.getThis()==null) {
2472 System.out.println("WARNING!!!!!!!!!!!!");
2473 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2476 for(int i=0; i<fc.numArgs(); i++) {
2477 Descriptor var=md.getParameter(i);
2478 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2479 if (objectparams.isParamPtr(paramtemp)) {
2480 TempDescriptor targ=fc.getArg(i);
2482 TypeDescriptor td=md.getParamType(i);
2484 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2486 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2489 output.println("};");
2494 if (fc.getReturnTemp()!=null)
2495 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2497 /* Do we need to do virtual dispatch? */
2499 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2501 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2505 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2506 output.print("int ");
2507 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2508 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2510 output.print(md.getReturnType().getSafeSymbol()+" ");
2511 output.print("(*)(");
2513 boolean printcomma=false;
2514 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2515 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2519 for(int i=0; i<objectparams.numPrimitives(); i++) {
2520 TempDescriptor temp=objectparams.getPrimitive(i);
2524 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2525 output.print("int ");
2526 } else if (temp.getType().isClass()||temp.getType().isArray())
2527 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2529 output.print(temp.getType().getSafeSymbol());
2532 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2533 output.print(", int");
2535 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2539 boolean needcomma=false;
2540 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2541 output.print("&__parameterlist__");
2545 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2546 if (fc.getThis()!=null) {
2547 TypeDescriptor ptd=null;
2548 if(md.getThis() != null) {
2549 ptd = md.getThis().getType();
2551 ptd = fc.getThis().getType();
2555 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2557 } else if (ptd.isClass()&&!ptd.isArray())
2558 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2559 output.print(generateTemp(fm,fc.getThis()));
2564 for(int i=0; i<fc.numArgs(); i++) {
2565 Descriptor var=md.getParameter(i);
2566 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2567 if (objectparams.isParamPrim(paramtemp)) {
2568 TempDescriptor targ=fc.getArg(i);
2572 TypeDescriptor ptd=md.getParamType(i);
2573 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2575 } else if (ptd.isClass()&&!ptd.isArray())
2576 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2577 output.print(generateTemp(fm, targ));
2581 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2582 output.println(", monitorenterline);");
2584 output.println(");");
2586 output.println(" }");
2589 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2590 if(thiscd.isInterface()) {
2591 // for interfaces, always need virtual dispatch
2594 Set subclasses=typeutil.getSubClasses(thiscd);
2595 if (subclasses==null)
2597 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2598 ClassDescriptor cd=(ClassDescriptor)classit.next();
2599 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2600 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2601 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2602 if (md.matches(matchmd))
2610 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2612 if(ffn.getField().isStatic()) {
2614 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2615 // is a static block or is invoked in some static block
2616 ClassDescriptor cd = fm.getMethod().getClassDesc();
2617 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2619 // the same class, do nothing
2620 } else if(mgcstaticinit) {
2621 // generate the static init check code if has not done the static init in main()
2622 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2623 // need to check if the class' static fields have been initialized and/or
2624 // its static blocks have been executed
2625 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2626 if(cn.getNumStaticBlocks() != 0) {
2627 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2628 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2629 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2630 output.println("0, NULL};");
2631 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2633 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2636 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2638 output.println("}");
2642 // redirect to the global_defs_p structure
2643 if (ffn.getField().getType().isPtr())
2644 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2646 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2647 } else if (ffn.getField().isEnum()) {
2648 // an Enum value, directly replace the field access as int
2649 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2651 output.println("#ifdef MULTICORE_DEBUG");
2652 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2653 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2654 if(state.MULTICOREGC) {
2655 output.println("failednullptr(&___locals___);");
2657 output.println("failednullptr(NULL);");
2659 output.println("}");
2660 output.println("#endif //MULTICORE_DEBUG");
2661 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2666 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2667 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2668 throw new Error("Can't set array length");
2669 if (state.FASTCHECK) {
2670 String dst=generateTemp(fm, fsfn.getDst());
2671 output.println("if(!"+dst+"->"+localcopystr+") {");
2672 /* Link object into list */
2673 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2674 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2676 output.println("COPY_OBJ("+dst+");");
2677 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2678 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2679 output.println("}");
2682 if(fsfn.getField().isStatic()) {
2684 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2685 // is a static block or is invoked in some static block
2686 ClassDescriptor cd = fm.getMethod().getClassDesc();
2687 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2688 if(cd != cn && mgcstaticinit){
2689 // generate static init check code if has not done the static init in main()
2690 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2691 // need to check if the class' static fields have been initialized and/or
2692 // its static blocks have been executed
2693 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2694 if(cn.getNumStaticBlocks() != 0) {
2695 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2696 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2697 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2698 output.println("0, NULL};");
2699 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2701 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2704 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2706 output.println("}");
2710 // redirect to the global_defs_p structure
2711 if (fsfn.getField().getType().isPtr()) {
2712 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2713 output.println("global_defs_p->" +
2714 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2716 output.println("global_defs_p->" +
2717 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2719 output.println("global_defsprim_p->" +
2720 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2722 output.println("#ifdef MULTICORE_DEBUG");
2723 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2724 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2725 if(state.MULTICOREGC) {
2726 output.println("failednullptr(&___locals___);");
2728 output.println("failednullptr(NULL);");
2730 output.println("}");
2731 output.println("#endif //MULTICORE_DEBUG");
2732 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2733 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2734 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2736 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2737 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2742 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2743 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2746 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2748 } else if (elementtype.isArray()||elementtype.isClass())
2751 type=elementtype.getSafeSymbol()+" ";
2753 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2754 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2755 output.println("failedboundschk(" + (boundschknum++) + ");");
2757 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2760 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2761 //TODO: need dynamic check to make sure this assignment is actually legal
2762 //Because Object[] could actually be something more specific...ie. Integer[]
2764 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2767 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2769 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2772 type=elementtype.getSafeSymbol()+" ";
2774 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2775 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2776 output.println("failedboundschk(" + (boundschknum++) + ");");
2778 if (state.FASTCHECK) {
2779 String dst=generateTemp(fm, fsen.getDst());
2780 output.println("if(!"+dst+"->"+localcopystr+") {");
2781 /* Link object into list */
2782 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2783 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2785 output.println("COPY_OBJ("+dst+");");
2786 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2787 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2788 output.println("}");
2790 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2794 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2795 if (fn.getType().isArray()) {
2796 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2797 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2798 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2800 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2803 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2804 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2806 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2809 if (state.FASTCHECK) {
2810 String dst=generateTemp(fm,fn.getDst());
2811 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2812 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2813 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2817 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2818 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2819 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2821 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2825 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2826 if (fon.getRight()!=null) {
2827 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2828 if (fon.getLeft().getType().isLong())
2829 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2831 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2834 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2835 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2837 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2839 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2840 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2841 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2843 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2844 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2845 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2846 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2847 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2848 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2849 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2850 else if (fon.getOp().getOp()==Operation.COMP)
2851 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2852 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2853 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2855 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2858 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2859 /* TODO: Do type check here */
2860 if (fcn.getType().isArray()) {
2861 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2862 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2863 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2864 } else if (fcn.getType().isClass())
2865 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2867 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2872 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2873 if (fln.getValue()==null)
2874 output.println(generateTemp(fm, fln.getDst())+"=0;");
2875 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2876 String str=(String)fln.getValue();
2877 output.println("{");
2878 output.print("short str"+flncount+"[]={");
2879 for(int i=0;i<str.length();i++) {
2882 output.print(((int)str.charAt(i)));
2884 output.println("};");
2885 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2886 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
2888 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
2890 output.println("}");
2892 } else if (fln.getType().isBoolean()) {
2893 if (((Boolean)fln.getValue()).booleanValue())
2894 output.println(generateTemp(fm, fln.getDst())+"=1;");
2896 output.println(generateTemp(fm, fln.getDst())+"=0;");
2897 } else if (fln.getType().isChar()) {
2898 int val=(int)(((Character)fln.getValue()).charValue());
2899 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
2900 } else if (fln.getType().isLong()) {
2901 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2903 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2906 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
2907 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2908 // a static block, check if it has been executed
2909 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2913 if (frn.getReturnTemp()!=null) {
2914 if (frn.getReturnTemp().getType().isPtr())
2915 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
2917 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
2919 output.println("return;");
2923 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
2924 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
2927 /** This method generates header information for the method or
2928 * task referenced by the Descriptor des. */
2929 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
2930 generateHeader(fm, des, output, false);
2933 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
2935 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
2936 MethodDescriptor md=null;
2937 TaskDescriptor task=null;
2938 if (des instanceof MethodDescriptor)
2939 md=(MethodDescriptor) des;
2941 task=(TaskDescriptor) des;
2942 String mdstring = md != null ? md.getSafeMethodDescriptor() : null;
2944 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2946 if (md!=null&&md.getReturnType()!=null) {
2947 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2948 output.print("int ");
2949 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2950 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2952 output.print(md.getReturnType().getSafeSymbol()+" ");
2954 //catch the constructor case
2955 output.print("void ");
2957 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2958 mdstring += "staticinit";
2960 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
2962 output.print(task.getSafeSymbol()+"(");
2964 boolean printcomma=false;
2965 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2967 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
2969 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2975 for(int i=0; i<objectparams.numPrimitives(); i++) {
2976 TempDescriptor temp=objectparams.getPrimitive(i);
2980 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2981 output.print("int " + temp.getSafeSymbol());
2982 } else if (temp.getType().isClass()||temp.getType().isArray())
2983 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2985 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2987 output.println(") {");
2988 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2989 /* Imprecise Task */
2990 output.println("void * parameterarray[]) {");
2991 /* Unpack variables */
2992 for(int i=0; i<objectparams.numPrimitives(); i++) {
2993 TempDescriptor temp=objectparams.getPrimitive(i);
2994 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2995 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2997 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3000 for(int i=0; i<fm.numTags(); i++) {
3001 TempDescriptor temp=fm.getTag(i);
3002 int offset=i+objectparams.numPrimitives();
3003 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3006 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3007 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3008 } else output.println(") {");
3011 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3012 output.println("/* FlatFlagActionNode */");
3015 /* Process tag changes */
3016 Relation tagsettable=new Relation();
3017 Relation tagcleartable=new Relation();
3019 Iterator tagsit=ffan.getTempTagPairs();
3020 while (tagsit.hasNext()) {
3021 TempTagPair ttp=(TempTagPair) tagsit.next();
3022 TempDescriptor objtmp=ttp.getTemp();
3023 TagDescriptor tag=ttp.getTag();
3024 TempDescriptor tagtmp=ttp.getTagTemp();
3025 boolean tagstatus=ffan.getTagChange(ttp);
3027 tagsettable.put(objtmp, tagtmp);
3029 tagcleartable.put(objtmp, tagtmp);
3034 Hashtable flagandtable=new Hashtable();
3035 Hashtable flagortable=new Hashtable();
3037 /* Process flag changes */
3038 Iterator flagsit=ffan.getTempFlagPairs();
3039 while(flagsit.hasNext()) {
3040 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3041 TempDescriptor temp=tfp.getTemp();
3042 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3043 FlagDescriptor flag=tfp.getFlag();
3045 //Newly allocate objects that don't set any flags case
3046 if (flagortable.containsKey(temp)) {
3050 flagortable.put(temp,new Integer(mask));
3052 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3053 boolean flagstatus=ffan.getFlagChange(tfp);
3056 if (flagortable.containsKey(temp)) {
3057 mask=((Integer)flagortable.get(temp)).intValue();
3060 flagortable.put(temp,new Integer(mask));
3062 int mask=0xFFFFFFFF;
3063 if (flagandtable.containsKey(temp)) {
3064 mask=((Integer)flagandtable.get(temp)).intValue();
3066 mask&=(0xFFFFFFFF^flagid);
3067 flagandtable.put(temp,new Integer(mask));
3073 HashSet flagtagset=new HashSet();
3074 flagtagset.addAll(flagortable.keySet());
3075 flagtagset.addAll(flagandtable.keySet());
3076 flagtagset.addAll(tagsettable.keySet());
3077 flagtagset.addAll(tagcleartable.keySet());
3079 Iterator ftit=flagtagset.iterator();
3080 while(ftit.hasNext()) {
3081 TempDescriptor temp=(TempDescriptor)ftit.next();
3084 Set tagtmps=tagcleartable.get(temp);
3085 if (tagtmps!=null) {
3086 Iterator tagit=tagtmps.iterator();
3087 while(tagit.hasNext()) {
3088 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3089 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3090 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3092 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3096 tagtmps=tagsettable.get(temp);
3097 if (tagtmps!=null) {
3098 Iterator tagit=tagtmps.iterator();
3099 while(tagit.hasNext()) {
3100 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3101 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3102 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3104 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3109 int andmask=0xFFFFFFF;
3111 if (flagortable.containsKey(temp))
3112 ormask=((Integer)flagortable.get(temp)).intValue();
3113 if (flagandtable.containsKey(temp))
3114 andmask=((Integer)flagandtable.get(temp)).intValue();
3115 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3116 generateObjectDistribute(ffan, fm, temp, output);
3120 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3121 PrintWriter output, int ormask, int andmask) {
3122 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3123 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3125 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3129 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3130 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3133 void generateOptionalHeader(PrintWriter headers) {
3136 headers.println("#include \"task.h\"\n\n");
3137 headers.println("#ifndef _OPTIONAL_STRUCT_");
3138 headers.println("#define _OPTIONAL_STRUCT_");
3140 //STRUCT PREDICATEMEMBER
3141 headers.println("struct predicatemember{");
3142 headers.println("int type;");
3143 headers.println("int numdnfterms;");
3144 headers.println("int * flags;");
3145 headers.println("int numtags;");
3146 headers.println("int * tags;\n};\n\n");
3148 //STRUCT OPTIONALTASKDESCRIPTOR
3149 headers.println("struct optionaltaskdescriptor{");
3150 headers.println("struct taskdescriptor * task;");
3151 headers.println("int index;");
3152 headers.println("int numenterflags;");
3153 headers.println("int * enterflags;");
3154 headers.println("int numpredicatemembers;");
3155 headers.println("struct predicatemember ** predicatememberarray;");
3156 headers.println("};\n\n");
3158 //STRUCT TASKFAILURE
3159 headers.println("struct taskfailure {");
3160 headers.println("struct taskdescriptor * task;");
3161 headers.println("int index;");
3162 headers.println("int numoptionaltaskdescriptors;");
3163 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3165 //STRUCT FSANALYSISWRAPPER
3166 headers.println("struct fsanalysiswrapper{");
3167 headers.println("int flags;");
3168 headers.println("int numtags;");
3169 headers.println("int * tags;");
3170 headers.println("int numtaskfailures;");
3171 headers.println("struct taskfailure ** taskfailurearray;");
3172 headers.println("int numoptionaltaskdescriptors;");
3173 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3175 //STRUCT CLASSANALYSISWRAPPER
3176 headers.println("struct classanalysiswrapper{");
3177 headers.println("int type;");
3178 headers.println("int numotd;");
3179 headers.println("struct optionaltaskdescriptor ** otdarray;");
3180 headers.println("int numfsanalysiswrappers;");
3181 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3183 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3185 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3186 while(taskit.hasNext()) {
3187 TaskDescriptor td=(TaskDescriptor)taskit.next();
3188 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3193 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3194 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3195 int predicateindex = 0;
3196 //iterate through the classes concerned by the predicate
3197 Set c_vard = predicate.vardescriptors;
3198 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3201 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3202 VarDescriptor vard = (VarDescriptor)vard_it.next();
3203 TypeDescriptor typed = vard.getType();
3205 //generate for flags
3206 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3207 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3209 if (fen_hashset!=null) {
3210 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3211 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3213 DNFFlag dflag=fen.getDNF();
3214 numberterms+=dflag.size();
3216 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3218 for(int j=0; j<dflag.size(); j++) {
3220 output.println(",");
3221 Vector term=dflag.get(j);
3224 for(int k=0; k<term.size(); k++) {
3225 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3226 FlagDescriptor fd=dfa.getFlag();
3227 boolean negated=dfa.getNegated();
3228 int flagid=1<<((Integer)flags.get(fd)).intValue();
3233 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3238 output.println("};\n");
3241 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3242 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3245 for(int j=0; j<tagel.numTags(); j++) {
3247 output.println(",");
3248 TempDescriptor tmp=tagel.getTemp(j);
3249 if (!slotnumber.containsKey(tmp)) {
3250 Integer slotint=new Integer(current_slot++);
3251 slotnumber.put(tmp,slotint);
3253 int slot=slotnumber.get(tmp).intValue();
3254 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3256 numtags = tagel.numTags();
3258 output.println("};");
3260 //store the result into a predicatemember struct
3261 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3262 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3263 output.println("/* number of dnf terms */"+numberterms+",");
3264 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3265 output.println("/* number of tag */"+numtags+",");
3266 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3267 output.println("};\n");
3272 //generate an array that stores the entire predicate
3273 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3274 for( int j = 0; j<predicateindex; j++) {
3275 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3276 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3278 output.println("};\n");
3279 return predicateindex;
3283 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3284 generateOptionalHeader(headers);
3286 output.println("#include \"optionalstruct.h\"\n\n");
3287 output.println("#include \"stdlib.h\"\n");
3289 HashSet processedcd = new HashSet();
3291 Enumeration e = safeexecution.keys();
3292 while (e.hasMoreElements()) {
3295 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3296 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3298 //Generate the struct of optionals
3299 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3300 numotd = c_otd.size();
3301 if(maxotd<numotd) maxotd = numotd;
3302 if( !c_otd.isEmpty() ) {
3303 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3304 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3306 //generate the int arrays for the predicate
3307 Predicate predicate = otd.predicate;
3308 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3309 TreeSet<Integer> fsset=new TreeSet<Integer>();
3310 //iterate through possible FSes corresponding to
3311 //the state when entering
3313 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3314 FlagState fs = (FlagState)fses.next();
3316 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3317 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3318 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3321 fsset.add(new Integer(flagid));
3322 //tag information not needed because tag
3323 //changes are not tolerated.
3326 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3327 boolean needcomma=false;
3328 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3331 output.println(it.next());
3334 output.println("};\n");
3337 //generate optionaltaskdescriptor that actually
3338 //includes exit fses, predicate and the task
3340 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3341 output.println("&task_"+otd.td.getSafeSymbol()+",");
3342 output.println("/*index*/"+otd.getIndex()+",");
3343 output.println("/*number of enter flags*/"+fsset.size()+",");
3344 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3345 output.println("/*number of members */"+predicateindex+",");
3346 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3347 output.println("};\n");
3351 // if there are no optionals, there is no need to build the rest of the struct
3353 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3354 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3355 if( !c_otd.isEmpty() ) {
3356 boolean needcomma=false;
3357 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3358 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3360 output.println(",");
3362 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3365 output.println("};\n");
3367 //get all the possible flagstates reachable by an object
3368 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3370 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3371 fsts.addAll(hashtbtemp.keySet());
3372 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3373 FlagState fs = (FlagState)fsit.next();
3376 //get the set of OptionalTaskDescriptors corresponding
3377 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3378 //iterate through the OptionalTaskDescriptors and
3379 //store the pointers to the optionals struct (see on
3380 //top) into an array
3382 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3383 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3384 OptionalTaskDescriptor mm = mos.next();
3386 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3388 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3391 output.println("};\n");
3393 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3396 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3397 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3398 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3402 //process tag information
3405 boolean first = true;
3406 Enumeration tag_enum = fs.getTags();
3407 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3408 while(tag_enum.hasMoreElements()) {
3410 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3414 output.println(", ");
3415 output.println("/*tagid*/"+state.getTagId(tagd));
3417 output.println("};");
3419 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3420 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3421 TaskIndex ti=itti.next();
3425 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3427 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3428 boolean needcomma=false;
3429 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3430 OptionalTaskDescriptor otd=otdit.next();
3434 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3436 output.println("};");
3438 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3439 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3440 output.print(ti.getIndex()+", ");
3441 output.print(otdset.size()+", ");
3442 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3443 output.println("};");
3446 tiset=sa.getTaskIndex(fs);
3447 boolean needcomma=false;
3449 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3450 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3451 TaskIndex ti=itti.next();
3452 if (ti.isRuntime()) {
3459 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3461 output.println("};\n");
3463 //Store the result in fsanalysiswrapper
3465 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3466 output.println("/*flag*/"+flagid+",");
3467 output.println("/* number of tags*/"+tagcounter+",");
3468 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3469 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3470 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3471 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3472 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3473 output.println("};\n");
3477 //Build the array of fsanalysiswrappers
3478 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3479 boolean needcomma=false;
3480 for(int i = 0; i<fscounter; i++) {
3481 if (needcomma) output.print(",");
3482 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3485 output.println("};");
3487 //Build the classanalysiswrapper referring to the previous array
3488 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3489 output.println("/*type*/"+cdtemp.getId()+",");
3490 output.println("/*numotd*/"+numotd+",");
3491 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3492 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3493 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3494 processedcd.add(cdtemp);
3497 //build an array containing every classes for which code has been build
3498 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3499 for(int i=0; i<state.numClasses(); i++) {
3500 ClassDescriptor cn=cdarray[i];
3503 if ((cn != null) && (processedcd.contains(cn)))
3504 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3506 output.print("NULL");
3508 output.println("};");
3510 output.println("#define MAXOTD "+maxotd);
3511 headers.println("#endif");
3514 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3515 Relation r=new Relation();
3516 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3517 OptionalTaskDescriptor otd=otdit.next();
3518 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3522 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3523 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3524 Set s=r.get(it.next());
3525 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3526 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3534 // override these methods in a subclass of BuildCode
3535 // to generate code for additional systems
3536 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3538 protected void outputTransCode(PrintWriter output) {
3540 protected void buildCodeSetup() {
3542 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3544 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3546 protected void preCodeGenInitialization() {
3548 protected void postCodeGenCleanUp() {
3550 protected void additionalCodeGen(PrintWriter outmethodheader,
3551 PrintWriter outstructs,
3552 PrintWriter outmethod) {
3554 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3556 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3558 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3560 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3562 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3564 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3566 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3568 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3570 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3573 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3574 // we do not print out line number if no one explicitly set the number
3575 if(fn.getNumLine()!=-1){
3577 int lineNum=fn.getNumLine();
3579 // do not generate the line number if it is same as the previous one
3580 boolean needtoprint;
3581 if(fn.prev.size()==0){
3587 for(int i=0;i<fn.prev.size();i++){
3588 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3589 if(prevLineNum!=lineNum){
3595 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());