Mercurial > hg > truffle
annotate src/share/tools/MakeDeps/Database.java @ 325:93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
Summary: Turn off c2 implicit null checking on windows and large pages specified.
Reviewed-by: jrose, xlu
author | coleenp |
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date | Tue, 02 Sep 2008 15:18:26 -0400 |
parents | 8b48a7bd2bf7 |
children | 98cb887364d3 |
rev | line source |
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0 | 1 /* |
2 * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 import java.io.*; | |
26 import java.util.*; | |
27 | |
28 public class Database { | |
29 private MacroDefinitions macros; | |
30 // allFiles is kept in lexicographically sorted order. See get(). | |
31 private FileList allFiles; | |
32 // files that have implicit dependency on platform files | |
33 // e.g. os.hpp: os_<os_family>.hpp os_<os_arch>.hpp but only | |
34 // recorded if the platform file was seen. | |
35 private FileList platformFiles; | |
36 private FileList outerFiles; | |
37 private FileList indivIncludes; | |
38 private FileList grandInclude; // the results for the grand include file | |
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39 private HashMap<String,String> platformDepFiles; |
0 | 40 private long threshold; |
41 private int nOuterFiles; | |
42 private int nPrecompiledFiles; | |
43 private boolean missingOk; | |
44 private Platform plat; | |
45 /** These allow you to specify files not in the include database | |
46 which are prepended and appended to the file list, allowing | |
47 you to have well-known functions at the start and end of the | |
48 text segment (allows us to find out in a portable fashion | |
49 whether the current PC is in VM code or not upon a crash) */ | |
50 private String firstFile; | |
51 private String lastFile; | |
52 | |
53 public Database(Platform plat, long t) { | |
54 this.plat = plat; | |
55 macros = new MacroDefinitions(); | |
56 allFiles = new FileList("allFiles", plat); | |
57 platformFiles = new FileList("platformFiles", plat); | |
58 outerFiles = new FileList("outerFiles", plat); | |
59 indivIncludes = new FileList("IndivIncludes", plat); | |
60 grandInclude = new FileList(plat.getGIFileTemplate().nameOfList(), plat); | |
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61 platformDepFiles = new HashMap<String,String>(); |
0 | 62 |
63 threshold = t; | |
64 nOuterFiles = 0; | |
65 nPrecompiledFiles = 0; | |
66 missingOk = false; | |
67 firstFile = null; | |
68 lastFile = null; | |
69 }; | |
70 | |
71 public FileList getAllFiles() { | |
72 return allFiles; | |
73 } | |
74 | |
75 public Iterator getMacros() { | |
76 return macros.getMacros(); | |
77 } | |
78 | |
79 public void canBeMissing() { | |
80 missingOk = true; | |
81 } | |
82 | |
83 public boolean hfileIsInGrandInclude(FileList hfile, FileList cfile) { | |
84 return ((hfile.getCount() >= threshold) && (cfile.getUseGrandInclude())); | |
85 } | |
86 | |
87 /** These allow you to specify files not in the include database | |
88 which are prepended and appended to the file list, allowing | |
89 you to have well-known functions at the start and end of the | |
90 text segment (allows us to find out in a portable fashion | |
91 whether the current PC is in VM code or not upon a crash) */ | |
92 public void setFirstFile(String fileName) { | |
93 firstFile = fileName; | |
94 } | |
95 | |
96 public void setLastFile(String fileName) { | |
97 lastFile = fileName; | |
98 } | |
99 | |
100 public void get(String platFileName, String dbFileName) | |
101 throws FileFormatException, IOException, FileNotFoundException { | |
102 macros.readFrom(platFileName, missingOk); | |
103 | |
104 BufferedReader reader = null; | |
105 try { | |
106 reader = new BufferedReader(new FileReader(dbFileName)); | |
107 } catch (FileNotFoundException e) { | |
108 if (missingOk) { | |
109 return; | |
110 } else { | |
111 throw(e); | |
112 } | |
113 } | |
114 System.out.println("\treading database: " + dbFileName); | |
115 String line; | |
116 int lineNo = 0; | |
117 do { | |
118 line = reader.readLine(); | |
119 lineNo++; | |
120 if (line != null) { | |
121 StreamTokenizer tokenizer = | |
122 new StreamTokenizer(new StringReader(line)); | |
123 tokenizer.slashSlashComments(true); | |
124 tokenizer.wordChars('_', '_'); | |
125 tokenizer.wordChars('<', '>'); | |
126 // NOTE: if we didn't have to do this line by line, | |
127 // we could trivially recognize C-style comments as | |
128 // well. | |
129 // tokenizer.slashStarComments(true); | |
130 int numTok = 0; | |
131 int res; | |
132 String unexpandedIncluder = null; | |
133 String unexpandedIncludee = null; | |
134 do { | |
135 res = tokenizer.nextToken(); | |
136 if (res != StreamTokenizer.TT_EOF) { | |
137 if (numTok == 0) { | |
138 unexpandedIncluder = tokenizer.sval; | |
139 } else if (numTok == 1) { | |
140 unexpandedIncludee = tokenizer.sval; | |
141 } else { | |
142 throw new FileFormatException( | |
143 "invalid line: \"" + line + | |
144 "\". Error position: line " + lineNo | |
145 ); | |
146 } | |
147 numTok++; | |
148 } | |
149 } while (res != StreamTokenizer.TT_EOF); | |
150 | |
151 if ((numTok != 0) && (numTok != 2)) { | |
152 throw new FileFormatException( | |
153 "invalid line: \"" + line + | |
154 "\". Error position: line " + lineNo | |
155 ); | |
156 } | |
157 | |
158 if (numTok == 2) { | |
159 // Non-empty line | |
160 String includer = macros.expand(unexpandedIncluder); | |
161 String includee = macros.expand(unexpandedIncludee); | |
162 | |
163 if (includee.equals(plat.generatePlatformDependentInclude())) { | |
164 MacroDefinitions localExpander = macros.copy(); | |
165 MacroDefinitions localExpander2 = macros.copy(); | |
166 localExpander.setAllMacroBodiesTo("pd"); | |
167 localExpander2.setAllMacroBodiesTo(""); | |
168 | |
169 // unexpanded_includer e.g. thread_<os_arch>.hpp | |
170 // thread_solaris_i486.hpp -> _thread_pd.hpp.incl | |
171 | |
172 FileName pdName = | |
173 plat.getInclFileTemplate().copyStem( | |
174 localExpander.expand(unexpandedIncluder) | |
175 ); | |
176 | |
177 // derive generic name from platform specific name | |
178 // e.g. os_<arch_os>.hpp => os.hpp. We enforce the | |
179 // restriction (imperfectly) noted in includeDB_core | |
180 // that platform specific files will have an underscore | |
181 // preceding the macro invocation. | |
182 | |
183 // First expand macro as null string. | |
184 | |
185 String newIncluder_temp = | |
186 localExpander2.expand(unexpandedIncluder); | |
187 | |
188 // Now find "_." and remove the underscore. | |
189 | |
190 String newIncluder = ""; | |
191 | |
192 int len = newIncluder_temp.length(); | |
193 int count = 0; | |
194 | |
195 for ( int i = 0; i < len - 1 ; i++ ) { | |
196 if (newIncluder_temp.charAt(i) == '_' && newIncluder_temp.charAt(i+1) == '.') { | |
197 count++; | |
198 } else { | |
199 newIncluder += newIncluder_temp.charAt(i); | |
200 } | |
201 } | |
202 newIncluder += newIncluder_temp.charAt(len-1); | |
203 | |
204 if (count != 1) { | |
205 throw new FileFormatException( | |
206 "Unexpected filename format for platform dependent file.\nline: \"" + line + | |
207 "\".\nError position: line " + lineNo | |
208 ); | |
209 } | |
210 | |
211 FileList p = allFiles.listForFile(includer); | |
212 p.setPlatformDependentInclude(pdName.dirPreStemSuff()); | |
213 | |
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214 // Record the implicit include of this file so that the |
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215 // dependencies for precompiled headers can mention it. |
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216 platformDepFiles.put(newIncluder, includer); |
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217 |
0 | 218 // Add an implicit dependency on platform |
219 // specific file for the generic file | |
220 | |
221 p = platformFiles.listForFile(newIncluder); | |
222 | |
223 // if this list is empty then this is 1st | |
224 // occurance of a platform dependent file and | |
225 // we need a new version of the include file. | |
226 // Otherwise we just append to the current | |
227 // file. | |
228 | |
229 PrintWriter pdFile = | |
230 new PrintWriter( | |
231 new FileWriter(pdName.dirPreStemSuff(), | |
232 !p.isEmpty()) | |
233 ); | |
234 pdFile.println("# include \"" + includer + "\""); | |
235 pdFile.close(); | |
236 | |
237 // Add the platform specific file to the list | |
238 // for this generic file. | |
239 | |
240 FileList q = allFiles.listForFile(includer); | |
241 p.addIfAbsent(q); | |
242 } else { | |
243 FileList p = allFiles.listForFile(includer); | |
244 if (isOuterFile(includer)) | |
245 outerFiles.addIfAbsent(p); | |
246 | |
247 if (includee.equals(plat.noGrandInclude())) { | |
248 p.setUseGrandInclude(false); | |
249 } else { | |
250 FileList q = allFiles.listForFile(includee); | |
251 p.addIfAbsent(q); | |
252 } | |
253 } | |
254 } | |
255 } | |
256 } while (line != null); | |
257 reader.close(); | |
258 | |
259 // Keep allFiles in well-known order so we can easily determine | |
260 // whether the known files are the same | |
261 allFiles.sortByName(); | |
262 | |
263 // Add first and last files differently to prevent a mistake | |
264 // in ordering in the include databases from breaking the | |
265 // error reporting in the VM. | |
266 if (firstFile != null) { | |
267 FileList p = allFiles.listForFile(firstFile); | |
268 allFiles.setFirstFile(p); | |
269 outerFiles.setFirstFile(p); | |
270 } | |
271 | |
272 if (lastFile != null) { | |
273 FileList p = allFiles.listForFile(lastFile); | |
274 allFiles.setLastFile(p); | |
275 outerFiles.setLastFile(p); | |
276 } | |
277 } | |
278 | |
279 public void compute() { | |
280 System.out.println("\tcomputing closures\n"); | |
281 // build both indiv and grand results | |
282 for (Iterator iter = outerFiles.iterator(); iter.hasNext(); ) { | |
283 indivIncludes.add(((FileList) iter.next()).doCFile()); | |
284 ++nOuterFiles; | |
285 } | |
286 | |
287 if (!plat.haveGrandInclude()) | |
288 return; // nothing in grand include | |
289 | |
290 // count how many times each include is included & add em to grand | |
291 for (Iterator iter = indivIncludes.iterator(); iter.hasNext(); ) { | |
292 FileList indivInclude = (FileList) iter.next(); | |
293 if (!indivInclude.getUseGrandInclude()) { | |
294 continue; // do not bump count if my files cannot be | |
295 // in grand include | |
296 } | |
297 indivInclude.doFiles(grandInclude); // put em on | |
298 // grand_include list | |
299 for (Iterator incListIter = indivInclude.iterator(); | |
300 incListIter.hasNext(); ) { | |
301 ((FileList) incListIter.next()).incrementCount(); | |
302 } | |
303 } | |
304 } | |
305 | |
306 // Not sure this is necessary in Java | |
307 public void verify() { | |
308 for (Iterator iter = indivIncludes.iterator(); iter.hasNext(); ) { | |
309 if (iter.next() == null) { | |
310 plat.abort(); | |
311 } | |
312 } | |
313 } | |
314 | |
315 public void put() throws IOException { | |
316 writeIndividualIncludes(); | |
317 | |
318 if (plat.haveGrandInclude()) | |
319 writeGrandInclude(); | |
320 | |
321 writeGrandUnixMakefile(); | |
322 } | |
323 | |
324 private void writeIndividualIncludes() throws IOException { | |
325 System.out.println("\twriting individual include files\n"); | |
326 | |
327 for (Iterator iter = indivIncludes.iterator(); iter.hasNext(); ) { | |
328 FileList list = (FileList) iter.next(); | |
329 System.out.println("\tcreating " + list.getName()); | |
330 list.putInclFile(this); | |
331 } | |
332 } | |
333 | |
334 private void writeGrandInclude() throws IOException { | |
335 System.out.println("\twriting grand include file\n"); | |
336 PrintWriter inclFile = | |
337 new PrintWriter(new FileWriter(plat.getGIFileTemplate().dirPreStemSuff())); | |
338 plat.writeGIPragma(inclFile); | |
339 for (Iterator iter = grandInclude.iterator(); iter.hasNext(); ) { | |
340 FileList list = (FileList) iter.next(); | |
341 if (list.getCount() >= threshold) { | |
342 inclFile.println("# include \"" + | |
343 plat.getGIFileTemplate().getInvDir() + | |
344 list.getName() + | |
345 "\""); | |
346 nPrecompiledFiles += 1; | |
347 } | |
348 } | |
349 inclFile.println(); | |
350 inclFile.close(); | |
351 } | |
352 | |
353 private void writeGrandUnixMakefile() throws IOException { | |
354 if (!plat.writeDeps()) | |
355 return; | |
356 | |
357 System.out.println("\twriting dependencies file\n"); | |
358 PrintWriter gd = | |
359 new PrintWriter(new FileWriter( | |
360 plat.getGDFileTemplate().dirPreStemSuff()) | |
361 ); | |
362 gd.println("# generated by makeDeps"); | |
363 gd.println(); | |
364 | |
365 | |
366 // HACK ALERT. The compilation of ad_<arch> files is very slow. | |
367 // We want to start compiling them as early as possible. The compilation | |
368 // order on unix is dependant on the order we emit files here. | |
369 // By sorting the output before emitting it, we expect | |
370 // that ad_<arch> will be compiled early. | |
371 boolean shouldSortObjFiles = true; | |
372 | |
373 if (shouldSortObjFiles) { | |
374 ArrayList sortList = new ArrayList(); | |
375 | |
376 // We need to preserve the ordering of the first and last items | |
377 // in outerFiles. | |
378 int size = outerFiles.size() - 1; | |
379 String firstName = removeSuffixFrom(((FileList)outerFiles.get(0)).getName()); | |
380 String lastName = removeSuffixFrom(((FileList)outerFiles.get(size)).getName()); | |
381 | |
382 for (int i=1; i<size; i++) { | |
383 FileList anOuterFile = (FileList)outerFiles.get(i); | |
384 String stemName = removeSuffixFrom(anOuterFile.getName()); | |
385 sortList.add(stemName); | |
386 } | |
387 Collections.sort(sortList); | |
388 | |
389 // write Obj_Files = ... | |
390 gd.println("Obj_Files = \\"); | |
391 gd.println(firstName + plat.objFileSuffix() + " \\"); | |
392 for (Iterator iter = sortList.iterator(); iter.hasNext(); ) { | |
393 gd.println(iter.next() + plat.objFileSuffix() + " \\"); | |
394 } | |
395 gd.println(lastName + plat.objFileSuffix() + " \\"); | |
396 gd.println(); | |
397 gd.println(); | |
398 } else { | |
399 // write Obj_Files = ... | |
400 gd.println("Obj_Files = \\"); | |
401 for (Iterator iter = outerFiles.iterator(); iter.hasNext(); ) { | |
402 FileList anOuterFile = (FileList) iter.next(); | |
403 | |
404 String stemName = removeSuffixFrom(anOuterFile.getName()); | |
405 gd.println(stemName + plat.objFileSuffix() + " \\"); | |
406 } | |
407 gd.println(); | |
408 gd.println(); | |
409 } | |
410 | |
411 if (nPrecompiledFiles > 0) { | |
412 // write Precompiled_Files = ... | |
413 gd.println("Precompiled_Files = \\"); | |
414 for (Iterator iter = grandInclude.iterator(); iter.hasNext(); ) { | |
415 FileList list = (FileList) iter.next(); | |
416 gd.println(list.getName() + " \\"); | |
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417 String platformDep = platformDepFiles.get(list.getName()); |
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418 if (platformDep != null) { |
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419 // make sure changes to the platform dependent file will |
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420 // cause regeneration of the pch file. |
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421 gd.println(platformDep + " \\"); |
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422 } |
0 | 423 } |
424 gd.println(); | |
425 gd.println(); | |
426 } | |
427 | |
428 gd.println("DTraced_Files = \\"); | |
429 for (Iterator iter = outerFiles.iterator(); iter.hasNext(); ) { | |
430 FileList anOuterFile = (FileList) iter.next(); | |
431 | |
432 if (anOuterFile.hasListForFile("dtrace.hpp")) { | |
433 String stemName = removeSuffixFrom(anOuterFile.getName()); | |
434 gd.println(stemName + plat.objFileSuffix() + " \\"); | |
435 } | |
436 } | |
437 gd.println(); | |
438 gd.println(); | |
439 | |
440 { | |
441 // write each dependency | |
442 | |
443 for (Iterator iter = indivIncludes.iterator(); iter.hasNext(); ) { | |
444 | |
445 FileList anII = (FileList) iter.next(); | |
446 | |
447 String stemName = removeSuffixFrom(anII.getName()); | |
448 String inclFileName = | |
449 plat.getInclFileTemplate().copyStem(anII.getName()). | |
450 preStemSuff(); | |
451 | |
452 gd.println(stemName + plat.objFileSuffix() + " " + | |
453 stemName + plat.asmFileSuffix() + ": \\"); | |
454 | |
455 printDependentOn(gd, anII.getName()); | |
456 // this gets the include file that includes all that | |
457 // this file needs (first level) since nested includes | |
458 // are skipped to avoid cycles. | |
459 printDependentOn(gd, inclFileName); | |
460 | |
461 if ( plat.haveGrandInclude() ) { | |
462 printDependentOn(gd, | |
463 plat.getGIFileTemplate().preStemSuff()); | |
464 } | |
465 | |
466 for (Iterator iiIter = anII.iterator(); iiIter.hasNext(); ) { | |
467 FileList hfile = (FileList) iiIter.next(); | |
468 if (!hfileIsInGrandInclude(hfile, anII) || | |
469 plat.writeDependenciesOnHFilesFromGI()) { | |
470 printDependentOn(gd, hfile.getName()); | |
471 } | |
472 if (platformFiles.hasListForFile(hfile.getName())) { | |
473 FileList p = | |
474 platformFiles.listForFile(hfile.getName());; | |
475 for (Iterator hiIter = p.iterator(); | |
476 hiIter.hasNext(); ) { | |
477 FileList hi2 = (FileList) hiIter.next(); | |
478 if (!hfileIsInGrandInclude(hi2, p)) { | |
479 printDependentOn(gd, hi2.getName()); | |
480 } | |
481 } | |
482 } | |
483 } | |
484 | |
485 if (plat.includeGIDependencies() | |
486 && nPrecompiledFiles > 0 | |
487 && anII.getUseGrandInclude()) { | |
488 gd.println(" $(Precompiled_Files) \\"); | |
489 } | |
490 gd.println(); | |
491 gd.println(); | |
492 } | |
493 } | |
494 | |
495 gd.close(); | |
496 } | |
497 | |
498 public void putDiffs(Database previous) throws IOException { | |
499 System.out.println("\tupdating output files\n"); | |
500 | |
501 if (!indivIncludes.compareLists(previous.indivIncludes) | |
502 || !grandInclude.compareLists(previous.grandInclude)) { | |
503 System.out.println("The order of .c or .s has changed, or " + | |
504 "the grand include file has changed."); | |
505 put(); | |
506 return; | |
507 } | |
508 | |
509 Iterator curIter = indivIncludes.iterator(); | |
510 Iterator prevIter = previous.indivIncludes.iterator(); | |
511 | |
512 try { | |
513 while (curIter.hasNext()) { | |
514 FileList newCFileList = (FileList) curIter.next(); | |
515 FileList prevCFileList = (FileList) prevIter.next(); | |
516 if (!newCFileList.compareLists(prevCFileList)) { | |
517 System.out.println("\tupdating " + newCFileList.getName()); | |
518 newCFileList.putInclFile(this); | |
519 } | |
520 } | |
521 } | |
522 catch (Exception e) { | |
523 throw new InternalError("assertion failure: cur and prev " + | |
524 "database lists changed unexpectedly."); | |
525 } | |
526 | |
527 writeGrandUnixMakefile(); | |
528 } | |
529 | |
530 private void printDependentOn(PrintWriter gd, String name) { | |
531 gd.print(" "); | |
532 gd.print(plat.dependentPrefix() + name); | |
533 } | |
534 | |
535 private boolean isOuterFile(String s) { | |
536 int len = s.length(); | |
537 String[] suffixes = plat.outerSuffixes(); | |
538 for (int i = 0; i < suffixes.length; i++) { | |
539 String suffix = suffixes[i]; | |
540 int suffLen = suffix.length(); | |
541 if ((len >= suffLen) && | |
542 (plat.fileNameStringEquality(s.substring(len - suffLen), | |
543 suffix))) { | |
544 return true; | |
545 } | |
546 } | |
547 return false; | |
548 } | |
549 | |
550 private String removeSuffixFrom(String s) { | |
551 int idx = s.lastIndexOf('.'); | |
552 if (idx <= 0) | |
553 plat.abort(); | |
554 return s.substring(0, idx); | |
555 } | |
556 } |