Mercurial > hg > truffle
view src/share/vm/memory/generationSpec.cpp @ 4445:e2a477f9791b
changed visual studio build directories to match mx build
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Tue, 24 Jan 2012 23:47:20 -0800 |
parents | f95d63e2154a |
children | 9f059abe8cf2 |
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/* * Copyright (c) 2001, 2010, Oracle and/or its affiliates. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "memory/compactPermGen.hpp" #include "memory/defNewGeneration.hpp" #include "memory/filemap.hpp" #include "memory/genRemSet.hpp" #include "memory/generationSpec.hpp" #include "memory/tenuredGeneration.hpp" #include "runtime/java.hpp" #ifndef SERIALGC #include "gc_implementation/concurrentMarkSweep/cmsPermGen.hpp" #include "gc_implementation/parNew/asParNewGeneration.hpp" #include "gc_implementation/parNew/parNewGeneration.hpp" #endif Generation* GenerationSpec::init(ReservedSpace rs, int level, GenRemSet* remset) { switch (name()) { case Generation::DefNew: return new DefNewGeneration(rs, init_size(), level); case Generation::MarkSweepCompact: return new TenuredGeneration(rs, init_size(), level, remset); #ifndef SERIALGC case Generation::ParNew: return new ParNewGeneration(rs, init_size(), level); case Generation::ASParNew: return new ASParNewGeneration(rs, init_size(), init_size() /* min size */, level); case Generation::ConcurrentMarkSweep: { assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); CardTableRS* ctrs = remset->as_CardTableRS(); if (ctrs == NULL) { vm_exit_during_initialization("Rem set incompatibility."); } // Otherwise // The constructor creates the CMSCollector if needed, // else registers with an existing CMSCollector ConcurrentMarkSweepGeneration* g = NULL; g = new ConcurrentMarkSweepGeneration(rs, init_size(), level, ctrs, UseCMSAdaptiveFreeLists, (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); g->initialize_performance_counters(); return g; } case Generation::ASConcurrentMarkSweep: { assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); CardTableRS* ctrs = remset->as_CardTableRS(); if (ctrs == NULL) { vm_exit_during_initialization("Rem set incompatibility."); } // Otherwise // The constructor creates the CMSCollector if needed, // else registers with an existing CMSCollector ASConcurrentMarkSweepGeneration* g = NULL; g = new ASConcurrentMarkSweepGeneration(rs, init_size(), level, ctrs, UseCMSAdaptiveFreeLists, (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); g->initialize_performance_counters(); return g; } #endif // SERIALGC default: guarantee(false, "unrecognized GenerationName"); return NULL; } } PermanentGenerationSpec::PermanentGenerationSpec(PermGen::Name name, size_t init_size, size_t max_size, size_t read_only_size, size_t read_write_size, size_t misc_data_size, size_t misc_code_size) { _name = name; _init_size = init_size; if (UseSharedSpaces || DumpSharedSpaces) { _enable_shared_spaces = true; if (UseSharedSpaces) { // Override shared space sizes from those in the file. FileMapInfo* mapinfo = FileMapInfo::current_info(); _read_only_size = mapinfo->space_capacity(CompactingPermGenGen::ro); _read_write_size = mapinfo->space_capacity(CompactingPermGenGen::rw); _misc_data_size = mapinfo->space_capacity(CompactingPermGenGen::md); _misc_code_size = mapinfo->space_capacity(CompactingPermGenGen::mc); } else { _read_only_size = read_only_size; _read_write_size = read_write_size; _misc_data_size = misc_data_size; _misc_code_size = misc_code_size; } } else { _enable_shared_spaces = false; _read_only_size = 0; _read_write_size = 0; _misc_data_size = 0; _misc_code_size = 0; } _max_size = max_size; } PermGen* PermanentGenerationSpec::init(ReservedSpace rs, size_t init_size, GenRemSet *remset) { // Break the reserved spaces into pieces for the permanent space // and the shared spaces. ReservedSpace perm_rs = rs.first_part(_max_size, UseSharedSpaces, UseSharedSpaces); ReservedSpace shared_rs = rs.last_part(_max_size); if (enable_shared_spaces()) { if (!perm_rs.is_reserved() || perm_rs.base() + perm_rs.size() != shared_rs.base()) { FileMapInfo* mapinfo = FileMapInfo::current_info(); mapinfo->fail_continue("Sharing disabled - unable to " "reserve address space."); shared_rs.release(); disable_sharing(); } } switch (name()) { case PermGen::MarkSweepCompact: return new CompactingPermGen(perm_rs, shared_rs, init_size, remset, this); #ifndef SERIALGC case PermGen::MarkSweep: guarantee(false, "NYI"); return NULL; case PermGen::ConcurrentMarkSweep: { assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); CardTableRS* ctrs = remset->as_CardTableRS(); if (ctrs == NULL) { vm_exit_during_initialization("RemSet/generation incompatibility."); } // XXXPERM return new CMSPermGen(perm_rs, init_size, ctrs, (FreeBlockDictionary::DictionaryChoice)CMSDictionaryChoice); } #endif // SERIALGC default: guarantee(false, "unrecognized GenerationName"); return NULL; } } // Alignment void PermanentGenerationSpec::align(size_t alignment) { _init_size = align_size_up(_init_size, alignment); _max_size = align_size_up(_max_size, alignment); _read_only_size = align_size_up(_read_only_size, alignment); _read_write_size = align_size_up(_read_write_size, alignment); _misc_data_size = align_size_up(_misc_data_size, alignment); _misc_code_size = align_size_up(_misc_code_size, alignment); assert(enable_shared_spaces() || (_read_only_size + _read_write_size == 0), "Shared space when disabled?"); }