Mercurial > hg > truffle
diff src/share/vm/memory/genCollectedHeap.cpp @ 356:1ee8caae33af
Merge
author | tonyp |
---|---|
date | Thu, 21 Aug 2008 23:36:31 -0400 |
parents | 850fdf70db2b |
children | c96030fff130 |
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--- a/src/share/vm/memory/genCollectedHeap.cpp Wed Aug 06 11:57:31 2008 -0400 +++ b/src/share/vm/memory/genCollectedHeap.cpp Thu Aug 21 23:36:31 2008 -0400 @@ -1,5 +1,5 @@ /* - * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -222,8 +222,8 @@ *_total_reserved = total_reserved; *_n_covered_regions = n_covered_regions; - *heap_rs = ReservedSpace(total_reserved, alignment, - UseLargePages, heap_address); + *heap_rs = ReservedHeapSpace(total_reserved, alignment, + UseLargePages, heap_address); return heap_address; } @@ -465,6 +465,11 @@ _gens[i]->stat_record()->invocations++; _gens[i]->stat_record()->accumulated_time.start(); + // Must be done anew before each collection because + // a previous collection will do mangling and will + // change top of some spaces. + record_gen_tops_before_GC(); + if (PrintGC && Verbose) { gclog_or_tty->print("level=%d invoke=%d size=" SIZE_FORMAT, i, @@ -1058,6 +1063,12 @@ return res; } +void GenCollectedHeap::release_scratch() { + for (int i = 0; i < _n_gens; i++) { + _gens[i]->reset_scratch(); + } +} + size_t GenCollectedHeap::large_typearray_limit() { return gen_policy()->large_typearray_limit(); } @@ -1285,6 +1296,24 @@ always_do_update_barrier = UseConcMarkSweepGC; }; +#ifndef PRODUCT +class GenGCSaveTopsBeforeGCClosure: public GenCollectedHeap::GenClosure { + private: + public: + void do_generation(Generation* gen) { + gen->record_spaces_top(); + } +}; + +void GenCollectedHeap::record_gen_tops_before_GC() { + if (ZapUnusedHeapArea) { + GenGCSaveTopsBeforeGCClosure blk; + generation_iterate(&blk, false); // not old-to-young. + perm_gen()->record_spaces_top(); + } +} +#endif // not PRODUCT + class GenEnsureParsabilityClosure: public GenCollectedHeap::GenClosure { public: void do_generation(Generation* gen) {