3 import java.io.FileOutputStream;
4 import java.io.PrintStream;
6 import java.io.BufferedReader;
7 import java.io.FileReader;
8 import java.io.FileInputStream;
9 import java.util.Hashtable;
10 import java.util.Iterator;
12 import java.util.Vector;
14 import IR.Tree.ParseNode;
15 import IR.Tree.BuildIR;
16 import IR.Tree.SemanticCheck;
17 import IR.Flat.BuildCodeMultiCore;
18 import IR.Flat.BuildFlat;
19 import IR.Flat.BuildCode;
20 import IR.ClassDescriptor;
22 import IR.TaskDescriptor;
24 import Analysis.Scheduling.MCImplSynthesis;
25 import Analysis.Scheduling.Schedule;
26 import Analysis.Scheduling.ScheduleAnalysis;
27 import Analysis.Scheduling.ScheduleSimulator;
28 import Analysis.TaskStateAnalysis.TaskAnalysis;
29 import Analysis.TaskStateAnalysis.TaskTagAnalysis;
30 import Analysis.TaskStateAnalysis.TaskGraph;
31 import Analysis.CallGraph.CallGraph;
32 import Analysis.TaskStateAnalysis.FEdge;
33 import Analysis.TaskStateAnalysis.FlagState;
34 import Analysis.TaskStateAnalysis.TagAnalysis;
35 import Analysis.TaskStateAnalysis.GarbageAnalysis;
36 import Analysis.TaskStateAnalysis.ExecutionGraph;
37 import Analysis.TaskStateAnalysis.SafetyAnalysis;
38 import Analysis.Locality.LocalityAnalysis;
39 import Analysis.Locality.GenerateConversions;
40 import Analysis.Prefetch.PrefetchAnalysis;
41 import Analysis.FlatIRGraph.FlatIRGraph;
42 import Analysis.OwnershipAnalysis.OwnershipAnalysis;
44 import Util.GraphNode;
45 import Util.GraphNode.DFS;
46 import Util.GraphNode.SCC;
50 /** Main method for the compiler. */
52 public static void main(String args[]) throws Exception {
53 String ClassLibraryPrefix="./ClassLibrary/";
54 State state=new State();
55 Vector sourcefiles=new Vector();
56 state.classpath.add(".");
58 String outputdir = null;
60 for(int i=0; i<args.length; i++) {
61 String option=args[i];
62 if (option.equals("-precise"))
63 IR.Flat.BuildCode.GENERATEPRECISEGC=true;
64 else if (option.equals("-prefetch"))
66 else if (option.equals("-dir"))
67 IR.Flat.BuildCode.PREFIX=args[++i]+"/";
68 else if (option.equals("-fastcheck"))
70 else if (option.equals("-selfloop"))
71 state.selfloops.add(args[++i]);
72 else if (option.equals("-outputdir"))
73 state.outputdir = args[++i];
74 else if (option.equals("-excprefetch"))
75 state.excprefetch.add(args[++i]);
76 else if (option.equals("-classlibrary"))
77 state.classpath.add(args[++i]);
78 else if(option.equals("-numcore")) {
80 state.CORENUM = Integer.parseInt(args[i]);
81 } else if (option.equals("-mainclass"))
83 else if (option.equals("-trueprob")) {
84 state.TRUEPROB=Double.parseDouble(args[++i]);
85 } else if (option.equals("-printflat"))
87 else if (option.equals("-printscheduling"))
88 State.PRINTSCHEDULING=true;
89 else if (option.equals("-printschedulesim"))
90 State.PRINTSCHEDULESIM=true;
91 else if (option.equals("-printcriticalpath"))
92 State.PRINTCRITICALPATH=true;
93 else if (option.equals("-struct"))
94 state.structfile=args[++i];
95 else if (option.equals("-conscheck"))
97 else if (option.equals("-task"))
99 else if (option.equals("-abortreaders"))
100 state.ABORTREADERS=true;
101 else if (option.equals("-taskstate"))
102 state.TASKSTATE=true;
103 else if (option.equals("-tagstate"))
105 else if (option.equals("-flatirtasks")) {
106 state.FLATIRGRAPH=true;
107 state.FLATIRGRAPHTASKS=true;
108 } else if (option.equals("-flatirusermethods")) {
109 state.FLATIRGRAPH=true;
110 state.FLATIRGRAPHUSERMETHODS=true;
111 } else if (option.equals("-flatirlibmethods")) {
112 state.FLATIRGRAPH=true;
113 state.FLATIRGRAPHLIBMETHODS=true;
114 } else if (option.equals("-multicore"))
115 state.MULTICORE=true;
116 else if (option.equals("-ownership"))
117 state.OWNERSHIP=true;
118 else if (option.equals("-ownallocdepth")) {
119 state.OWNERSHIPALLOCDEPTH=Integer.parseInt(args[++i]);
120 } else if (option.equals("-ownwritedots")) {
121 state.OWNERSHIPWRITEDOTS=true;
122 if (args[++i].equals("all")) {
123 state.OWNERSHIPWRITEALL=true;
125 } else if (option.equals("-ownaliasfile"))
126 state.OWNERSHIPALIASFILE=args[++i];
127 else if (option.equals("-optional"))
129 else if (option.equals("-raw"))
131 else if (option.equals("-scheduling"))
132 state.SCHEDULING=true;
133 else if (option.equals("-useprofile"))
134 state.USEPROFILE=true;
135 else if (option.equals("-thread"))
137 else if (option.equals("-dsm"))
139 else if (option.equals("-webinterface"))
140 state.WEBINTERFACE=true;
141 else if (option.equals("-instructionfailures"))
142 state.INSTRUCTIONFAILURE=true;
143 else if (option.equals("-abcclose"))
144 state.ARRAYBOUNDARYCHECK=false;
145 else if (option.equals("-help")) {
146 System.out.println("-classlibrary classlibrarydirectory -- directory where classlibrary is located");
147 System.out.println("-selfloop task -- this task doesn't self loop its parameters forever");
148 System.out.println("-dir outputdirectory -- output code in outputdirectory");
149 System.out.println("-struct structfile -- output structure declarations for repair tool");
150 System.out.println("-mainclass -- main function to call");
151 System.out.println("-dsm -- distributed shared memory support");
152 System.out.println("-abortreaders -- abort readers");
153 System.out.println("-precise -- use precise garbage collection");
154 System.out.println("-conscheck -- turn on consistency checking");
155 System.out.println("-task -- compiler for tasks");
156 System.out.println("-fastcheck -- fastcheckpointing for Bristlecone");
157 System.out.println("-thread -- threads");
158 System.out.println("-trueprob <d> -- probability of true branch");
159 System.out.println("-printflat -- print out flat representation");
160 System.out.println("-instructionfailures -- insert code for instruction level failures");
161 System.out.println("-taskstate -- do task state analysis");
162 System.out.println("-flatirtasks -- create dot files for flat IR graphs of tasks");
163 System.out.println("-flatirusermethods -- create dot files for flat IR graphs of user methods");
164 System.out.println("-flatirlibmethods -- create dot files for flat IR graphs of library class methods");
165 System.out.println(" note: -flatirusermethods or -flatirlibmethods currently generate all class method flat IR graphs");
166 System.out.println("-ownership -- do ownership analysis");
167 System.out.println("-ownallocdepth <d> -- set allocation depth for ownership analysis");
168 System.out.println("-ownwritedots <all/final> -- write ownership graphs; can be all results or just final results");
169 System.out.println("-ownaliasfile <filename> -- write a text file showing all detected aliases in program tasks");
170 System.out.println("-optional -- enable optional arguments");
171 System.out.println("-abcclose close the array boundary check");
172 System.out.println("-scheduling do task scheduling");
173 System.out.println("-multicore generate multi-core version binary");
174 System.out.println("-numcore set the number of cores (should be used together with -multicore), defaultly set as 1");
175 System.out.println("-raw generate raw version binary (should be used together with -multicore)");
176 System.out.println("-interrupt generate raw version binary with interruption (should be used togethere with -raw)");
177 System.out.println("-rawconfig config raw simulator as 4xn (should be used together with -raw)");
178 System.out.println("-rawpath print out execute path information for raw version (should be used together with -raw)");
179 System.out.println("-useprofile use profiling data for scheduling (should be used together with -raw)");
180 System.out.println("-threadsimulate generate multi-thread simulate version binary");
181 System.out.println("-rawuseio use standard io to output profiling data (should be used together with -raw and -profile), it only works with single core version");
182 System.out.println("-printscheduling -- print out scheduling graphs");
183 System.out.println("-printschedulesim -- print out scheduling simulation result graphs");
184 System.out.println("-webinterface -- enable web interface");
185 System.out.println("-help -- print out help");
188 sourcefiles.add(args[i]);
192 //add default classpath
193 if (state.classpath.size()==1)
194 state.classpath.add(ClassLibraryPrefix);
196 BuildIR bir=new BuildIR(state);
197 TypeUtil tu=new TypeUtil(state, bir);
200 SemanticCheck sc=new SemanticCheck(state,tu);
202 for(int i=0;i<sourcefiles.size();i++)
203 loadClass(state, bir,(String)sourcefiles.get(i));
205 //Stuff the runtime wants to see
206 sc.getClass("String");
209 sc.getClass("Socket");
210 sc.getClass("ServerSocket");
211 sc.getClass("FileInputStream");
212 sc.getClass("FileOutputStream");
214 sc.getClass("TagDescriptor");
217 sc.getClass("Thread");
222 tu.createFullTable();
224 BuildFlat bf=new BuildFlat(state,tu);
226 SafetyAnalysis sa=null;
227 PrefetchAnalysis pa=null;
229 if (state.TAGSTATE) {
230 CallGraph callgraph=new CallGraph(state);
231 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
232 TaskTagAnalysis tta=new TaskTagAnalysis(state, taganalysis, tu);
235 if (state.TASKSTATE) {
236 CallGraph callgraph=new CallGraph(state);
237 TagAnalysis taganalysis=new TagAnalysis(state, callgraph);
238 TaskAnalysis ta=new TaskAnalysis(state, taganalysis, tu);
240 TaskGraph tg=new TaskGraph(state, ta);
243 if (state.OPTIONAL) {
244 ExecutionGraph et=new ExecutionGraph(state, ta);
245 et.createExecutionGraph();
246 sa = new SafetyAnalysis(et.getExecutionGraph(), state, ta);
248 state.storeAnalysisResult(sa.getResult());
249 state.storeOptionalTaskDescriptors(sa.getOptionalTaskDescriptors());
252 if (state.WEBINTERFACE) {
253 GarbageAnalysis ga=new GarbageAnalysis(state, ta);
254 WebInterface wi=new WebInterface(state, ta, tg, ga, taganalysis);
255 JhttpServer serve=new JhttpServer(8000,wi);
259 if (state.SCHEDULING) {
260 // Use ownership analysis to get alias information
261 CallGraph callGraph = new CallGraph(state);
262 OwnershipAnalysis oa = new OwnershipAnalysis(state,
265 state.OWNERSHIPALLOCDEPTH,
266 state.OWNERSHIPWRITEDOTS,
267 state.OWNERSHIPWRITEALL,
268 state.OWNERSHIPALIASFILE);
270 // synthesis a layout according to target multicore processor
271 MCImplSynthesis mcImplSynthesis = new MCImplSynthesis(state,
274 mcImplSynthesis.setScheduleThreshold(50);
275 Vector<Schedule> scheduling = mcImplSynthesis.synthesis();
277 // generate multicore codes
278 if(state.MULTICORE) {
279 BuildCodeMultiCore bcm=new BuildCodeMultiCore(state,
284 mcImplSynthesis.getCoreNum(),
286 bcm.setOwnershipAnalysis(oa);
293 if(!state.MULTICORE) {
295 CallGraph callgraph=new CallGraph(state);
296 if (state.PREFETCH) {
297 //speed up prefetch generation using locality analysis results
298 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
299 pa=new PrefetchAnalysis(state, callgraph, tu, la);
302 LocalityAnalysis la=new LocalityAnalysis(state, callgraph, tu);
303 GenerateConversions gc=new GenerateConversions(la, state);
304 BuildCode bc=new BuildCode(state, bf.getMap(), tu, la, pa);
307 BuildCode bc=new BuildCode(state, bf.getMap(), tu, sa, pa);
312 if (state.FLATIRGRAPH) {
313 FlatIRGraph firg = new FlatIRGraph(state,
314 state.FLATIRGRAPHTASKS,
315 state.FLATIRGRAPHUSERMETHODS,
316 state.FLATIRGRAPHLIBMETHODS);
319 if (state.OWNERSHIP) {
320 CallGraph callGraph = new CallGraph(state);
321 OwnershipAnalysis oa = new OwnershipAnalysis(state,
324 state.OWNERSHIPALLOCDEPTH,
325 state.OWNERSHIPWRITEDOTS,
326 state.OWNERSHIPWRITEALL,
327 state.OWNERSHIPALIASFILE);
333 public static void loadClass(State state, BuildIR bir, String sourcefile) {
334 ParseNode pn=readSourceFile(state, sourcefile);
335 bir.buildtree(pn, null);
338 /** Reads in a source file and adds the parse tree to the state object. */
340 public static ParseNode readSourceFile(State state, String sourcefile) {
342 Reader fr= new BufferedReader(new FileReader(sourcefile));
343 Lex.Lexer l = new Lex.Lexer(fr);
344 java_cup.runtime.lr_parser g;
345 g = new Parse.Parser(l);
348 p=(ParseNode) g./*debug_*/ parse().value;
349 } catch (Exception e) {
350 System.err.println("Error parsing file:"+sourcefile);
354 state.addParseNode(p);
355 if (l.numErrors()!=0) {
356 System.out.println("Error parsing "+sourcefile);
357 System.exit(l.numErrors());
361 } catch (Exception e) {