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comparison src/share/vm/code/debugInfoRec.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 1d7922586cf6
children e522a00b91aa 9758d9f36299
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
303 303
304 // serialize sender stream offest 304 // serialize sender stream offest
305 stream()->write_int(sender_stream_offset); 305 stream()->write_int(sender_stream_offset);
306 306
307 // serialize scope 307 // serialize scope
308 jobject method_enc = (method == NULL)? NULL: method->constant_encoding(); 308 Metadata* method_enc = (method == NULL)? NULL: method->constant_encoding();
309 stream()->write_int(oop_recorder()->find_index(method_enc)); 309 stream()->write_int(oop_recorder()->find_index(method_enc));
310 stream()->write_bci(bci); 310 stream()->write_bci(bci);
311 assert(method == NULL || 311 assert(method == NULL ||
312 (method->is_native() && bci == 0) || 312 (method->is_native() && bci == 0) ||
313 (!method->is_native() && 0 <= bci && bci < method->code_size()) || 313 (!method->is_native() && 0 <= bci && bci < method->code_size()) ||
376 if (is_safepoint) { 376 if (is_safepoint) {
377 _prev_safepoint_pc = pc_offset; 377 _prev_safepoint_pc = pc_offset;
378 } 378 }
379 } 379 }
380 380
381 #ifdef ASSERT
382 bool DebugInformationRecorder::recorders_frozen() {
383 return _oop_recorder->is_complete() || _oop_recorder->is_complete();
384 }
385
386 void DebugInformationRecorder::mark_recorders_frozen() {
387 _oop_recorder->freeze();
388 }
389 #endif // PRODUCT
390
381 DebugToken* DebugInformationRecorder::create_scope_values(GrowableArray<ScopeValue*>* values) { 391 DebugToken* DebugInformationRecorder::create_scope_values(GrowableArray<ScopeValue*>* values) {
382 assert(!_oop_recorder->is_complete(), "not frozen yet"); 392 assert(!recorders_frozen(), "not frozen yet");
383 return (DebugToken*) (intptr_t) serialize_scope_values(values); 393 return (DebugToken*) (intptr_t) serialize_scope_values(values);
384 } 394 }
385 395
386 396
387 DebugToken* DebugInformationRecorder::create_monitor_values(GrowableArray<MonitorValue*>* monitors) { 397 DebugToken* DebugInformationRecorder::create_monitor_values(GrowableArray<MonitorValue*>* monitors) {
388 assert(!_oop_recorder->is_complete(), "not frozen yet"); 398 assert(!recorders_frozen(), "not frozen yet");
389 return (DebugToken*) (intptr_t) serialize_monitor_values(monitors); 399 return (DebugToken*) (intptr_t) serialize_monitor_values(monitors);
390 } 400 }
391 401
392 402
393 int DebugInformationRecorder::data_size() { 403 int DebugInformationRecorder::data_size() {
394 debug_only(_oop_recorder->oop_size()); // mark it "frozen" for asserts 404 debug_only(mark_recorders_frozen()); // mark it "frozen" for asserts
395 return _stream->position(); 405 return _stream->position();
396 } 406 }
397 407
398 408
399 int DebugInformationRecorder::pcs_size() { 409 int DebugInformationRecorder::pcs_size() {
400 debug_only(_oop_recorder->oop_size()); // mark it "frozen" for asserts 410 debug_only(mark_recorders_frozen()); // mark it "frozen" for asserts
401 if (last_pc()->pc_offset() != PcDesc::upper_offset_limit) 411 if (last_pc()->pc_offset() != PcDesc::upper_offset_limit)
402 add_new_pc_offset(PcDesc::upper_offset_limit); 412 add_new_pc_offset(PcDesc::upper_offset_limit);
403 return _pcs_length * sizeof(PcDesc); 413 return _pcs_length * sizeof(PcDesc);
404 } 414 }
405 415