author | iveresov |
Tue, 10 Jan 2017 21:39:20 +0300 | |
changeset 43435 | 01521491ec10 |
parent 43405 | 1fab8e6866d7 |
child 43475 | 24f19a48e8c0 |
permissions | -rw-r--r-- |
42650 | 1 |
/* |
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.tools.jaotc.binformat; |
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import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT; |
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import java.io.ByteArrayOutputStream; |
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import java.io.DataOutputStream; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import jdk.tools.jaotc.binformat.Symbol.Binding; |
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import jdk.tools.jaotc.binformat.Symbol.Kind; |
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import jdk.tools.jaotc.binformat.elf.JELFRelocObject; |
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import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; |
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import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; |
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/** |
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* A format-agnostic container class that holds various components of a binary. |
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* |
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* <p> |
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* This class holds information necessary to create platform-specific binary containers such as |
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* ELFContainer for Linux and Solaris operating systems or yet-to be created MachOContainer for Mac |
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* OS or PEContainer for MS Windows operating systems. |
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* |
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* <p> |
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* Method APIs provided by this class are used to construct and populate platform-independent |
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* contents of a binary as the first step to create a binary representation of code generated by a |
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* compiler backend such as Graal. |
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* |
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* <p> |
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* Methods to record and access code section contents, symbols and relocations are provided. |
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*/ |
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public class BinaryContainer implements SymbolTable { |
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private final int codeSegmentSize; |
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private final int codeEntryAlignment; |
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/** |
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* Container holding code bits and any other related information. |
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*/ |
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private final CodeContainer codeContainer; |
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/** |
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* Container holding external hotspot linkage bits (PLT entries). |
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*/ |
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private final CodeContainer extLinkageContainer; |
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/** |
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* Container holding global offset data for hotspot linkage. |
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*/ |
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private final ByteContainer extLinkageGOTContainer; |
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/** |
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* Patched by HotSpot, contains metaspace pointers. |
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*/ |
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private final ByteContainer metaspaceGotContainer; |
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/** |
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* Patched lazily by hotspot, contains klass/method pointers. |
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*/ |
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private final ByteContainer metadataGotContainer; |
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/** |
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* BSS container, contains method state array. |
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*/ |
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private final ByteContainer methodStateContainer; |
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/** |
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* Patched by hotspot, contains java object pointers. |
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*/ |
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private final ByteContainer oopGotContainer; |
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// Containers holding read-only data |
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private final ReadOnlyDataContainer configContainer; |
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private final ReadOnlyDataContainer metaspaceNamesContainer; |
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private final ReadOnlyDataContainer methodsOffsetsContainer; |
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private final ReadOnlyDataContainer klassesOffsetsContainer; |
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private final ReadOnlyDataContainer klassesDependenciesContainer; |
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private final HeaderContainer headerContainer; |
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private final ReadOnlyDataContainer stubsOffsetsContainer; |
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private final ReadOnlyDataContainer codeSegmentsContainer; |
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// This cannot be read only since we need to patch the metadata at runtime.. |
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private final ReadOnlyDataContainer methodMetadataContainer; |
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/** |
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* Container containing constant data used by code. |
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*/ |
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private final ReadOnlyDataContainer constantDataContainer; |
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/** |
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* Map holding the Strings table. |
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*/ |
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private final Map<String, Integer> offsetStringTable = new HashMap<>(); |
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private final Map<String, Integer> metaspaceNames = new HashMap<>(); |
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// List of relocation table entries - (symbolName, relocationInfo) |
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private final Map<String, Symbol> symbolTable = new HashMap<>(); |
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private final Map<Symbol, List<Relocation>> relocationTable = new HashMap<>(); |
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private final Map<Symbol, Relocation> uniqueRelocationTable = new HashMap<>(); |
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/** |
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* Mapping of local VM function names to known global symbols generated in the output binary. |
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*/ |
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private static final HashMap<String, String> functionNamesToAOTSymbols = new HashMap<>(); |
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private static final String[][] map = { |
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//@formatter:off |
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{"CompilerToVM::Data::SharedRuntime_deopt_blob_unpack", "_aot_deopt_blob_unpack"}, |
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{"CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap", "_aot_deopt_blob_uncommon_trap"}, |
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{"CompilerToVM::Data::SharedRuntime_ic_miss_stub", "_aot_ic_miss_stub"}, |
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{"CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub", "_aot_handle_wrong_method_stub"}, |
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{"SharedRuntime::exception_handler_for_return_address", "_aot_exception_handler_for_return_address"}, |
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{"SharedRuntime::register_finalizer", "_aot_register_finalizer"}, |
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{"SharedRuntime::OSR_migration_end", "_aot_OSR_migration_end"}, |
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{"CompilerRuntime::resolve_string_by_symbol", "_aot_resolve_string_by_symbol"}, |
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{"CompilerRuntime::resolve_klass_by_symbol", "_aot_resolve_klass_by_symbol"}, |
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{"CompilerRuntime::resolve_method_by_symbol_and_load_counters","_aot_resolve_method_by_symbol_and_load_counters"}, |
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{"CompilerRuntime::initialize_klass_by_symbol", "_aot_initialize_klass_by_symbol"}, |
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{"CompilerRuntime::invocation_event", "_aot_invocation_event"}, |
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{"CompilerRuntime::backedge_event", "_aot_backedge_event"}, |
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{"CompilerToVM::Data::dpow", "_aot_shared_runtime_dpow"}, |
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{"CompilerToVM::Data::dexp", "_aot_shared_runtime_dexp"}, |
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{"CompilerToVM::Data::dcos", "_aot_shared_runtime_dcos"}, |
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{"CompilerToVM::Data::dsin", "_aot_shared_runtime_dsin"}, |
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{"CompilerToVM::Data::dtan", "_aot_shared_runtime_dtan"}, |
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{"CompilerToVM::Data::dlog", "_aot_shared_runtime_dlog"}, |
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{"CompilerToVM::Data::dlog10", "_aot_shared_runtime_dlog10"}, |
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{"StubRoutines::_jbyte_arraycopy", "_aot_stub_routines_jbyte_arraycopy"}, |
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{"StubRoutines::_jshort_arraycopy", "_aot_stub_routines_jshort_arraycopy"}, |
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{"StubRoutines::_jint_arraycopy", "_aot_stub_routines_jint_arraycopy"}, |
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{"StubRoutines::_jlong_arraycopy", "_aot_stub_routines_jlong_arraycopy"}, |
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{"StubRoutines::_oop_arraycopy", "_aot_stub_routines_oop_arraycopy"}, |
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{"StubRoutines::_oop_arraycopy_uninit", "_aot_stub_routines_oop_arraycopy_uninit"}, |
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{"StubRoutines::_jbyte_disjoint_arraycopy", "_aot_stub_routines_jbyte_disjoint_arraycopy"}, |
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{"StubRoutines::_jshort_disjoint_arraycopy", "_aot_stub_routines_jshort_disjoint_arraycopy"}, |
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{"StubRoutines::_jint_disjoint_arraycopy", "_aot_stub_routines_jint_disjoint_arraycopy"}, |
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{"StubRoutines::_jlong_disjoint_arraycopy", "_aot_stub_routines_jlong_disjoint_arraycopy"}, |
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{"StubRoutines::_oop_disjoint_arraycopy", "_aot_stub_routines_oop_disjoint_arraycopy"}, |
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{"StubRoutines::_oop_disjoint_arraycopy_uninit", "_aot_stub_routines_oop_disjoint_arraycopy_uninit"}, |
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{"StubRoutines::_arrayof_jbyte_arraycopy", "_aot_stub_routines_arrayof_jbyte_arraycopy"}, |
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{"StubRoutines::_arrayof_jshort_arraycopy", "_aot_stub_routines_arrayof_jshort_arraycopy"}, |
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{"StubRoutines::_arrayof_jint_arraycopy", "_aot_stub_routines_arrayof_jint_arraycopy"}, |
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{"StubRoutines::_arrayof_jlong_arraycopy", "_aot_stub_routines_arrayof_jlong_arraycopy"}, |
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{"StubRoutines::_arrayof_oop_arraycopy", "_aot_stub_routines_arrayof_oop_arraycopy"}, |
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{"StubRoutines::_arrayof_oop_arraycopy_uninit", "_aot_stub_routines_arrayof_oop_arraycopy_uninit"}, |
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{"StubRoutines::_arrayof_jbyte_disjoint_arraycopy", "_aot_stub_routines_arrayof_jbyte_disjoint_arraycopy"}, |
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{"StubRoutines::_arrayof_jshort_disjoint_arraycopy", "_aot_stub_routines_arrayof_jshort_disjoint_arraycopy"}, |
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{"StubRoutines::_arrayof_jint_disjoint_arraycopy", "_aot_stub_routines_arrayof_jint_disjoint_arraycopy"}, |
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{"StubRoutines::_arrayof_jlong_disjoint_arraycopy", "_aot_stub_routines_arrayof_jlong_disjoint_arraycopy"}, |
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{"StubRoutines::_arrayof_oop_disjoint_arraycopy", "_aot_stub_routines_arrayof_oop_disjoint_arraycopy"}, |
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{"StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", "_aot_stub_routines_arrayof_oop_disjoint_arraycopy_uninit"}, |
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{"StubRoutines::_checkcast_arraycopy", "_aot_stub_routines_checkcast_arraycopy"}, |
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{"StubRoutines::_aescrypt_encryptBlock", "_aot_stub_routines_aescrypt_encryptBlock"}, |
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{"StubRoutines::_aescrypt_decryptBlock", "_aot_stub_routines_aescrypt_decryptBlock"}, |
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{"StubRoutines::_cipherBlockChaining_encryptAESCrypt", "_aot_stub_routines_cipherBlockChaining_encryptAESCrypt"}, |
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{"StubRoutines::_cipherBlockChaining_decryptAESCrypt", "_aot_stub_routines_cipherBlockChaining_decryptAESCrypt"}, |
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{"StubRoutines::_updateBytesCRC32", "_aot_stub_routines_update_bytes_crc32"}, |
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{"StubRoutines::_crc_table_adr", "_aot_stub_routines_crc_table_adr"}, |
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{"StubRoutines::_sha1_implCompress", "_aot_stub_routines_sha1_implCompress" }, |
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{"StubRoutines::_sha1_implCompressMB", "_aot_stub_routines_sha1_implCompressMB" }, |
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{"StubRoutines::_sha256_implCompress", "_aot_stub_routines_sha256_implCompress" }, |
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{"StubRoutines::_sha256_implCompressMB", "_aot_stub_routines_sha256_implCompressMB" }, |
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{"StubRoutines::_sha512_implCompress", "_aot_stub_routines_sha512_implCompress" }, |
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{"StubRoutines::_sha512_implCompressMB", "_aot_stub_routines_sha512_implCompressMB" }, |
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{"StubRoutines::_multiplyToLen", "_aot_stub_routines_multiplyToLen" }, |
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{"StubRoutines::_counterMode_AESCrypt", "_aot_stub_routines_counterMode_AESCrypt" }, |
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{"StubRoutines::_ghash_processBlocks", "_aot_stub_routines_ghash_processBlocks" }, |
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{"StubRoutines::_crc32c_table_addr", "_aot_stub_routines_crc32c_table_addr" }, |
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{"StubRoutines::_updateBytesCRC32C", "_aot_stub_routines_updateBytesCRC32C" }, |
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{"StubRoutines::_updateBytesAdler32", "_aot_stub_routines_updateBytesAdler32" }, |
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{"StubRoutines::_squareToLen", "_aot_stub_routines_squareToLen" }, |
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{"StubRoutines::_mulAdd", "_aot_stub_routines_mulAdd" }, |
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{"StubRoutines::_montgomeryMultiply", "_aot_stub_routines_montgomeryMultiply" }, |
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{"StubRoutines::_montgomerySquare", "_aot_stub_routines_montgomerySquare" }, |
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{"StubRoutines::_vectorizedMismatch", "_aot_stub_routines_vectorizedMismatch" }, |
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{"StubRoutines::_throw_delayed_StackOverflowError_entry", "_aot_stub_routines_throw_delayed_StackOverflowError_entry" }, |
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{"os::javaTimeMillis", "_aot_os_javaTimeMillis"}, |
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{"os::javaTimeNanos", "_aot_os_javaTimeNanos"}, |
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{"JVMCIRuntime::monitorenter", "_aot_jvmci_runtime_monitorenter"}, |
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{"JVMCIRuntime::monitorexit", "_aot_jvmci_runtime_monitorexit"}, |
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{"JVMCIRuntime::log_object", "_aot_jvmci_runtime_log_object"}, |
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{"JVMCIRuntime::log_printf", "_aot_jvmci_runtime_log_printf"}, |
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{"JVMCIRuntime::vm_message", "_aot_jvmci_runtime_vm_message"}, |
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{"JVMCIRuntime::new_instance", "_aot_jvmci_runtime_new_instance"}, |
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{"JVMCIRuntime::log_primitive", "_aot_jvmci_runtime_log_primitive"}, |
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{"JVMCIRuntime::new_multi_array", "_aot_jvmci_runtime_new_multi_array"}, |
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{"JVMCIRuntime::validate_object", "_aot_jvmci_runtime_validate_object"}, |
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{"JVMCIRuntime::dynamic_new_array", "_aot_jvmci_runtime_dynamic_new_array"}, |
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{"JVMCIRuntime::write_barrier_pre", "_aot_jvmci_runtime_write_barrier_pre"}, |
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{"JVMCIRuntime::identity_hash_code", "_aot_jvmci_runtime_identity_hash_code"}, |
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{"JVMCIRuntime::write_barrier_post", "_aot_jvmci_runtime_write_barrier_post"}, |
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{"JVMCIRuntime::dynamic_new_instance", "_aot_jvmci_runtime_dynamic_new_instance"}, |
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{"JVMCIRuntime::thread_is_interrupted", "_aot_jvmci_runtime_thread_is_interrupted"}, |
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{"JVMCIRuntime::exception_handler_for_pc", "_aot_jvmci_runtime_exception_handler_for_pc"}, |
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{"JVMCIRuntime::test_deoptimize_call_int", "_aot_jvmci_runtime_test_deoptimize_call_int"}, |
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{"JVMCIRuntime::throw_and_post_jvmti_exception", "_aot_jvmci_runtime_throw_and_post_jvmti_exception"}, |
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{"JVMCIRuntime::throw_klass_external_name_exception", "_aot_jvmci_runtime_throw_klass_external_name_exception"}, |
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{"JVMCIRuntime::throw_class_cast_exception", "_aot_jvmci_runtime_throw_class_cast_exception"}, |
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{"JVMCIRuntime::vm_error", "_aot_jvmci_runtime_vm_error"}, |
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{"JVMCIRuntime::new_array", "_aot_jvmci_runtime_new_array"} |
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//@formatter:on |
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}; |
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static { |
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for (String[] entry : map) { |
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functionNamesToAOTSymbols.put(entry[0], entry[1]); |
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} |
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} |
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/** |
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* Allocates a {@code BinaryContainer} object whose content will be generated in a file with the |
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* prefix {@code prefix}. It also initializes internal code container, symbol table and |
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* relocation tables. |
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*/ |
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public BinaryContainer(GraalHotSpotVMConfig graalHotSpotVMConfig, GraphBuilderConfiguration graphBuilderConfig, String jvmVersion) { |
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this.codeSegmentSize = graalHotSpotVMConfig.codeSegmentSize; |
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this.codeEntryAlignment = graalHotSpotVMConfig.codeEntryAlignment; |
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// read only, code |
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codeContainer = new CodeContainer(".text", this); |
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extLinkageContainer = new CodeContainer(".hotspot.linkage.plt", this); |
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// read only, info |
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configContainer = new ReadOnlyDataContainer(".config", this); |
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metaspaceNamesContainer = new ReadOnlyDataContainer(".metaspace.names", this); |
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methodsOffsetsContainer = new ReadOnlyDataContainer(".methods.offsets", this); |
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klassesOffsetsContainer = new ReadOnlyDataContainer(".klasses.offsets", this); |
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klassesDependenciesContainer = new ReadOnlyDataContainer(".klasses.dependencies", this); |
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headerContainer = new HeaderContainer(jvmVersion, new ReadOnlyDataContainer(".header", this)); |
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stubsOffsetsContainer = new ReadOnlyDataContainer(".stubs.offsets", this); |
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codeSegmentsContainer = new ReadOnlyDataContainer(".code.segments", this); |
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constantDataContainer = new ReadOnlyDataContainer(".method.constdata", this); |
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// needs relocation patching at load time by the loader |
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methodMetadataContainer = new ReadOnlyDataContainer(".method.metadata", this); |
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// writable sections |
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metaspaceGotContainer = new ByteContainer(".metaspace.got", this); |
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metadataGotContainer = new ByteContainer(".metadata.got", this); |
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methodStateContainer = new ByteContainer(".method.state", this); |
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oopGotContainer = new ByteContainer(".oop.got", this); |
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extLinkageGOTContainer = new ByteContainer(".hotspot.linkage.got", this); |
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addGlobalSymbols(); |
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recordConfiguration(graalHotSpotVMConfig, graphBuilderConfig); |
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} |
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private void recordConfiguration(GraalHotSpotVMConfig graalHotSpotVMConfig, GraphBuilderConfiguration graphBuilderConfig) { |
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// @formatter:off |
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boolean[] booleanFlags = { graalHotSpotVMConfig.cAssertions, // Debug VM |
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graalHotSpotVMConfig.useCompressedOops, |
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graalHotSpotVMConfig.useCompressedClassPointers, |
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graalHotSpotVMConfig.compactFields, |
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graalHotSpotVMConfig.useG1GC, |
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graalHotSpotVMConfig.useCMSGC, |
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graalHotSpotVMConfig.useTLAB, |
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305 |
graalHotSpotVMConfig.useBiasedLocking, |
42650 | 306 |
TieredAOT.getValue(), |
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graalHotSpotVMConfig.enableContended, |
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graalHotSpotVMConfig.restrictContended, |
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|
309 |
graphBuilderConfig.omitAssertions() |
42650 | 310 |
}; |
311 |
||
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int[] intFlags = { graalHotSpotVMConfig.narrowOopShift, |
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graalHotSpotVMConfig.narrowKlassShift, |
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graalHotSpotVMConfig.contendedPaddingWidth, |
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|
315 |
graalHotSpotVMConfig.fieldsAllocationStyle, |
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|
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graalHotSpotVMConfig.objectAlignment, |
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|
317 |
graalHotSpotVMConfig.codeSegmentSize, |
42650 | 318 |
}; |
319 |
// @formatter:on |
|
320 |
||
321 |
byte[] booleanFlagsAsBytes = flagsToByteArray(booleanFlags); |
|
322 |
int size0 = configContainer.getByteStreamSize(); |
|
323 |
||
324 |
// @formatter:off |
|
325 |
int computedSize = booleanFlagsAsBytes.length * Byte.BYTES + // size of boolean flags |
|
326 |
intFlags.length * Integer.BYTES + // size of int flags |
|
327 |
Integer.BYTES; // size of the "computedSize" |
|
328 |
||
329 |
configContainer.appendInt(computedSize). |
|
330 |
appendInts(intFlags). |
|
331 |
appendBytes(booleanFlagsAsBytes); |
|
332 |
// @formatter:on |
|
333 |
||
334 |
int size = configContainer.getByteStreamSize() - size0; |
|
335 |
assert size == computedSize; |
|
336 |
} |
|
337 |
||
338 |
private static byte[] flagsToByteArray(boolean[] flags) { |
|
339 |
byte[] byteArray = new byte[flags.length]; |
|
340 |
for (int i = 0; i < flags.length; ++i) { |
|
341 |
byteArray[i] = boolToByte(flags[i]); |
|
342 |
} |
|
343 |
return byteArray; |
|
344 |
} |
|
345 |
||
346 |
private static byte boolToByte(boolean flag) { |
|
347 |
return (byte) (flag ? 1 : 0); |
|
348 |
} |
|
349 |
||
350 |
/** |
|
351 |
* Free some memory. |
|
352 |
*/ |
|
353 |
public void freeMemory() { |
|
354 |
offsetStringTable.clear(); |
|
355 |
metaspaceNames.clear(); |
|
356 |
} |
|
357 |
||
358 |
/* |
|
359 |
* Global symbol names in generated DSO corresponding to VM's symbols. VM needs to look up this |
|
360 |
* symbol in DSO and link it with VM's corresponding symbol: store VM's symbol address or value |
|
361 |
* in the named GOT cell. |
|
362 |
*/ |
|
363 |
||
364 |
public String getCardTableAddressSymbolName() { |
|
365 |
return "_aot_card_table_address"; |
|
366 |
} |
|
367 |
||
368 |
public String getHeapTopAddressSymbolName() { |
|
369 |
return "_aot_heap_top_address"; |
|
370 |
} |
|
371 |
||
372 |
public String getHeapEndAddressSymbolName() { |
|
373 |
return "_aot_heap_end_address"; |
|
374 |
} |
|
375 |
||
376 |
public String getCrcTableAddressSymbolName() { |
|
377 |
return "_aot_stub_routines_crc_table_adr"; |
|
378 |
} |
|
379 |
||
380 |
public String getPollingPageSymbolName() { |
|
381 |
return "_aot_polling_page"; |
|
382 |
} |
|
383 |
||
384 |
public String getResolveStaticEntrySymbolName() { |
|
385 |
return "_resolve_static_entry"; |
|
386 |
} |
|
387 |
||
388 |
public String getResolveVirtualEntrySymbolName() { |
|
389 |
return "_resolve_virtual_entry"; |
|
390 |
} |
|
391 |
||
392 |
public String getResolveOptVirtualEntrySymbolName() { |
|
393 |
return "_resolve_opt_virtual_entry"; |
|
394 |
} |
|
395 |
||
396 |
public String getNarrowKlassBaseAddressSymbolName() { |
|
397 |
return "_aot_narrow_klass_base_address"; |
|
398 |
} |
|
399 |
||
43435 | 400 |
public String getNarrowOopBaseAddressSymbolName() { |
401 |
return "_aot_narrow_oop_base_address"; |
|
402 |
} |
|
403 |
||
42650 | 404 |
public String getLogOfHeapRegionGrainBytesSymbolName() { |
405 |
return "_aot_log_of_heap_region_grain_bytes"; |
|
406 |
} |
|
407 |
||
408 |
public String getInlineContiguousAllocationSupportedSymbolName() { |
|
409 |
return "_aot_inline_contiguous_allocation_supported"; |
|
410 |
} |
|
411 |
||
412 |
public int getCodeSegmentSize() { |
|
413 |
return codeSegmentSize; |
|
414 |
} |
|
415 |
||
416 |
public int getCodeEntryAlignment() { |
|
417 |
return codeEntryAlignment; |
|
418 |
} |
|
419 |
||
420 |
/** |
|
421 |
* Gets the global AOT symbol associated with the function name. |
|
422 |
* |
|
423 |
* @param functionName function name |
|
424 |
* @return AOT symbol for the given function name, or null if there is no mapping. |
|
425 |
*/ |
|
426 |
public String getAOTSymbolForVMFunctionName(String functionName) { |
|
427 |
return functionNamesToAOTSymbols.get(functionName); |
|
428 |
} |
|
429 |
||
430 |
private void addGlobalSymbols() { |
|
431 |
// Create global symbols for all containers. |
|
432 |
createContainerSymbol(codeContainer); |
|
433 |
createContainerSymbol(configContainer); |
|
434 |
createContainerSymbol(methodsOffsetsContainer); |
|
435 |
createContainerSymbol(klassesOffsetsContainer); |
|
436 |
createContainerSymbol(klassesDependenciesContainer); |
|
437 |
createContainerSymbol(metaspaceGotContainer); |
|
438 |
createContainerSymbol(metadataGotContainer); |
|
439 |
createContainerSymbol(methodStateContainer); |
|
440 |
createContainerSymbol(oopGotContainer); |
|
441 |
createContainerSymbol(metaspaceNamesContainer); |
|
442 |
createContainerSymbol(methodMetadataContainer); |
|
443 |
createContainerSymbol(stubsOffsetsContainer); |
|
444 |
createContainerSymbol(headerContainer.getContainer()); |
|
445 |
createContainerSymbol(codeSegmentsContainer); |
|
446 |
||
447 |
createGotSymbol(getResolveStaticEntrySymbolName()); |
|
448 |
createGotSymbol(getResolveVirtualEntrySymbolName()); |
|
449 |
createGotSymbol(getResolveOptVirtualEntrySymbolName()); |
|
450 |
createGotSymbol(getCardTableAddressSymbolName()); |
|
451 |
createGotSymbol(getHeapTopAddressSymbolName()); |
|
452 |
createGotSymbol(getHeapEndAddressSymbolName()); |
|
453 |
createGotSymbol(getNarrowKlassBaseAddressSymbolName()); |
|
43435 | 454 |
createGotSymbol(getNarrowOopBaseAddressSymbolName()); |
42650 | 455 |
createGotSymbol(getPollingPageSymbolName()); |
456 |
createGotSymbol(getLogOfHeapRegionGrainBytesSymbolName()); |
|
457 |
createGotSymbol(getInlineContiguousAllocationSupportedSymbolName()); |
|
458 |
||
459 |
for (HashMap.Entry<String, String> entry : functionNamesToAOTSymbols.entrySet()) { |
|
460 |
createGotSymbol(entry.getValue()); |
|
461 |
} |
|
462 |
} |
|
463 |
||
464 |
/** |
|
465 |
* Creates a global symbol of the form {@code "JVM" + container name}. |
|
466 |
* |
|
467 |
* @param container container to create a symbol for |
|
468 |
*/ |
|
469 |
private static void createContainerSymbol(ByteContainer container) { |
|
470 |
container.createSymbol(0, Kind.OBJECT, Binding.GLOBAL, 0, "JVM" + container.getContainerName()); |
|
471 |
} |
|
472 |
||
473 |
/** |
|
474 |
* Creates a global GOT symbol of the form {@code "got." + name}. |
|
475 |
* |
|
476 |
* @param name name for the GOT symbol |
|
477 |
*/ |
|
478 |
private void createGotSymbol(String name) { |
|
479 |
String s = "got." + name; |
|
480 |
Symbol gotSymbol = extLinkageGOTContainer.createGotSymbol(s); |
|
481 |
extLinkageGOTContainer.createSymbol(gotSymbol.getOffset(), Kind.OBJECT, Binding.GLOBAL, 8, name); |
|
482 |
} |
|
483 |
||
484 |
/** |
|
485 |
* Create a platform-specific binary file representing the content of the |
|
486 |
* {@code BinaryContainer} object. |
|
487 |
* |
|
488 |
* This method is called after creating and performing any necessary changes to the contents of |
|
489 |
* code stream, symbol tables and relocation tables is completely finalized |
|
490 |
* |
|
491 |
* @param outputFileName name of output file |
|
492 |
* |
|
493 |
* @throws IOException in case of file creation failure |
|
494 |
*/ |
|
495 |
public void createBinary(String outputFileName, String aotVersion) throws IOException { |
|
496 |
String osName = System.getProperty("os.name"); |
|
497 |
switch (osName) { |
|
498 |
case "Linux": |
|
499 |
case "SunOS": |
|
500 |
JELFRelocObject elfso = new JELFRelocObject(this, outputFileName, aotVersion); |
|
501 |
elfso.createELFRelocObject(relocationTable, symbolTable.values()); |
|
502 |
break; |
|
503 |
default: |
|
504 |
throw new InternalError("Unsupported platform: " + osName); |
|
505 |
} |
|
506 |
} |
|
507 |
||
508 |
/** |
|
509 |
* Add symbol to the symbol table. If the existing symbol is undefined and the specified symbol |
|
510 |
* is not undefined, replace the existing symbol information with that specified. |
|
511 |
* |
|
512 |
* @param symInfo symbol information to be added |
|
513 |
*/ |
|
514 |
public void addSymbol(Symbol symInfo) { |
|
515 |
if (symInfo.getName().startsWith("got.") && !(symInfo instanceof GotSymbol)) { |
|
516 |
throw new InternalError("adding got. without being GotSymbol"); |
|
517 |
} |
|
518 |
if (symbolTable.containsKey(symInfo.getName())) { |
|
519 |
throw new InternalError("Symbol: " + symInfo.getName() + " already exists in SymbolTable"); |
|
520 |
} else { |
|
521 |
// System.out.println("# Symbol [" + name + "] [" + symInfo.getValue() + "] [" + |
|
522 |
// symInfo.getSection().getContainerName() + "] [" + symInfo.getSize() + "]"); |
|
523 |
symbolTable.put(symInfo.getName(), symInfo); |
|
524 |
} |
|
525 |
} |
|
526 |
||
527 |
public boolean addStringOffset(String name, Integer offset) { |
|
528 |
offsetStringTable.put(name, offset); |
|
529 |
return true; |
|
530 |
} |
|
531 |
||
532 |
/** |
|
533 |
* Add relocation entry for {@code symName}. Multiple relocation entries for a given symbol may |
|
534 |
* exist. |
|
535 |
* |
|
536 |
* @param info relocation information to be added |
|
537 |
*/ |
|
538 |
public void addRelocation(Relocation info) { |
|
539 |
// System.out.println("# Relocation [" + symName + "] [" + info.getOffset() + "] [" + |
|
540 |
// info.getSection().getContainerName() + "] [" + info.getSymbol().getName() + "] [" + |
|
541 |
// info.getSymbol().getOffset() + " @ " + info.getSymbol().getSection().getContainerName() + |
|
542 |
// "]"); |
|
543 |
if (relocationTable.containsKey(info.getSymbol())) { |
|
544 |
relocationTable.get(info.getSymbol()).add(info); |
|
545 |
} else if (uniqueRelocationTable.containsKey(info.getSymbol())) { |
|
546 |
// promote |
|
547 |
ArrayList<Relocation> list = new ArrayList<>(2); |
|
548 |
list.add(uniqueRelocationTable.get(info.getSymbol())); |
|
549 |
list.add(info); |
|
550 |
relocationTable.put(info.getSymbol(), list); |
|
551 |
uniqueRelocationTable.remove(info.getSymbol()); |
|
552 |
} else { |
|
553 |
uniqueRelocationTable.put(info.getSymbol(), info); |
|
554 |
} |
|
555 |
} |
|
556 |
||
557 |
/** |
|
558 |
* Get symbol with name {@code symName}. |
|
559 |
* |
|
560 |
* @param symName name of symbol for which symbol table information is being queried |
|
561 |
* @return success or failure of insertion operation |
|
562 |
*/ |
|
563 |
@Override |
|
564 |
public Symbol getSymbol(String symName) { |
|
565 |
return symbolTable.get(symName); |
|
566 |
} |
|
567 |
||
568 |
@Override |
|
569 |
public Symbol createSymbol(int offset, Kind kind, Binding binding, int size, String name) { |
|
570 |
if (kind != Kind.NATIVE_FUNCTION) { |
|
571 |
throw new UnsupportedOperationException("Must be external functions: " + name); |
|
572 |
} |
|
573 |
Symbol symbol = new Symbol(offset, kind, binding, null, size, name); |
|
574 |
addSymbol(symbol); |
|
575 |
return symbol; |
|
576 |
} |
|
577 |
||
578 |
/** |
|
579 |
* Get offset in got section with name {@code symName}. |
|
580 |
* |
|
581 |
* @param name for which String table information is being queried |
|
582 |
* @return success or failure of insertion operation |
|
583 |
*/ |
|
584 |
public Integer getStringOffset(String name) { |
|
585 |
return offsetStringTable.get(name); |
|
586 |
} |
|
587 |
||
588 |
/** |
|
589 |
* Insert {@code targetCode} to code stream with {@code size} at {@code offset}. |
|
590 |
* |
|
591 |
* @param targetCode byte array of native code |
|
592 |
* @param offset offset at which {@code targetCode} is to be inserted |
|
593 |
* @param size size of {@code targetCode} |
|
594 |
*/ |
|
595 |
private static void appendBytes(ByteContainer byteContainer, byte[] targetCode, int offset, int size) { |
|
596 |
byteContainer.appendBytes(targetCode, offset, size); |
|
597 |
} |
|
598 |
||
599 |
public void appendCodeBytes(byte[] targetCode, int offset, int size) { |
|
600 |
appendBytes(codeContainer, targetCode, offset, size); |
|
601 |
} |
|
602 |
||
603 |
public void appendIntToCode(int value) { |
|
604 |
codeContainer.appendInt(value); |
|
605 |
} |
|
606 |
||
607 |
public int appendExtLinkageGotBytes(byte[] bytes, int offset, int size) { |
|
608 |
int startOffset = extLinkageGOTContainer.getByteStreamSize(); |
|
609 |
appendBytes(extLinkageGOTContainer, bytes, offset, size); |
|
610 |
return startOffset; |
|
611 |
} |
|
612 |
||
613 |
public int appendMetaspaceGotBytes(byte[] bytes, int offset, int size) { |
|
614 |
int startOffset = metaspaceGotContainer.getByteStreamSize(); |
|
615 |
appendBytes(metaspaceGotContainer, bytes, offset, size); |
|
616 |
return startOffset; |
|
617 |
} |
|
618 |
||
619 |
public void addMetadataGotEntry(int offset) { |
|
620 |
metadataGotContainer.appendLong(offset); |
|
621 |
} |
|
622 |
||
623 |
public int addMetaspaceName(String name) { |
|
624 |
Integer value = metaspaceNames.get(name); |
|
625 |
if (value != null) { |
|
626 |
return value.intValue(); |
|
627 |
} |
|
628 |
// Get the current length of the stubsNameContainer |
|
629 |
// align on 8-byte boundary |
|
630 |
int nameOffset = alignUp(metaspaceNamesContainer, 8); |
|
631 |
||
632 |
try { |
|
633 |
// Add the name of the symbol to the .stubs.names section |
|
634 |
// Modify them to sequence of utf8 strings with length: |
|
635 |
// "<u2_size>Ljava/lang/ThreadGroup;<u2_size>addUnstarted<u2_size>()V" |
|
636 |
ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
|
637 |
DataOutputStream out = new DataOutputStream(bout); |
|
638 |
int len = name.length(); |
|
639 |
if (name.startsWith("Stub")) { // Stub |
|
640 |
out.writeUTF(name); |
|
641 |
} else { // Method or Klass |
|
642 |
int parenthesesIndex = name.lastIndexOf('(', len - 1); |
|
643 |
if (parenthesesIndex > 0) { // Method name |
|
644 |
int dotIndex = name.lastIndexOf('.', parenthesesIndex - 1); |
|
645 |
assert dotIndex > 0 : "method's full name should have '.' : " + name; |
|
646 |
String klassName = name.substring(0, dotIndex); |
|
647 |
out.writeUTF(klassName); |
|
648 |
String methodName = name.substring(dotIndex + 1, parenthesesIndex); |
|
649 |
out.writeUTF(methodName); |
|
650 |
String signature = name.substring(parenthesesIndex, len); |
|
651 |
out.writeUTF(signature); |
|
652 |
} else { |
|
653 |
out.writeUTF(name); // Klass |
|
654 |
} |
|
655 |
} |
|
656 |
out.writeShort(0); // Terminate by 0. |
|
657 |
byte[] b = bout.toByteArray(); |
|
658 |
metaspaceNamesContainer.appendBytes(b, 0, b.length); |
|
659 |
||
660 |
metaspaceNames.put(name, nameOffset); |
|
661 |
return nameOffset; |
|
662 |
} catch (IOException e) { |
|
663 |
throw new InternalError("Failed to append bytes to stubs sections", e); |
|
664 |
} |
|
665 |
} |
|
666 |
||
667 |
/** |
|
668 |
* Add oop symbol by as follows. Extend the oop.got section with another slot for the VM to |
|
669 |
* patch. |
|
670 |
* |
|
671 |
* @param oopName name of the oop symbol |
|
672 |
*/ |
|
673 |
public Integer addOopSymbol(String oopName) { |
|
674 |
Integer oopGotOffset = getStringOffset(oopName); |
|
675 |
if (oopGotOffset != null) { |
|
676 |
return oopGotOffset; |
|
677 |
} |
|
678 |
return newOopSymbol(oopName); |
|
679 |
} |
|
680 |
||
681 |
private Integer newOopSymbol(String oopName) { |
|
682 |
// Reference to String resolution (ldc). |
|
683 |
int offset = oopGotContainer.getByteStreamSize(); |
|
684 |
String gotName = "got.ldc." + offset; |
|
685 |
Symbol relocationSymbol = oopGotContainer.createGotSymbol(gotName); |
|
686 |
||
687 |
if (offset != relocationSymbol.getOffset()) { |
|
688 |
throw new InternalError("offset must equal! (" + offset + " vs " + relocationSymbol.getOffset()); |
|
689 |
} |
|
690 |
||
691 |
addStringOffset(oopName, relocationSymbol.getOffset()); |
|
692 |
return relocationSymbol.getOffset(); |
|
693 |
} |
|
694 |
||
695 |
public int addMetaspaceSymbol(String metaspaceName) { |
|
696 |
String gotName = "got." + metaspaceName; |
|
697 |
Symbol relocationSymbol = getGotSymbol(gotName); |
|
698 |
int metaspaceOffset = -1; |
|
699 |
if (relocationSymbol == null) { |
|
700 |
// Add slots when asked in the .metaspace.got section: |
|
701 |
metaspaceGotContainer.createGotSymbol(gotName); |
|
702 |
} |
|
703 |
return metaspaceOffset; |
|
704 |
} |
|
705 |
||
706 |
public Symbol getGotSymbol(String name) { |
|
707 |
assert name.startsWith("got."); |
|
708 |
return symbolTable.get(name); |
|
709 |
} |
|
710 |
||
711 |
/** |
|
712 |
* Add metaspace symbol by as follows. - Adding the symbol name to the metaspace.names section - |
|
713 |
* Add the offset of the name in metaspace.names to metaspace.offsets - Extend the metaspace.got |
|
714 |
* section with another slot for the VM to patch |
|
715 |
* |
|
716 |
* @param metaspaceName name of the metaspace symbol |
|
717 |
* @return the got offset in the metaspace.got of the metaspace symbol |
|
718 |
*/ |
|
719 |
public int addTwoSlotMetaspaceSymbol(String metaspaceName) { |
|
720 |
String gotName = "got." + metaspaceName; |
|
721 |
Symbol previous = getGotSymbol(gotName); |
|
722 |
assert previous == null : "should be called only once for: " + metaspaceName; |
|
723 |
// Add slots when asked in the .metaspace.got section: |
|
724 |
// First slot |
|
725 |
String gotInitName = "got.init." + metaspaceName; |
|
726 |
GotSymbol slot1Symbol = metaspaceGotContainer.createGotSymbol(gotInitName); |
|
727 |
GotSymbol slot2Symbol = metaspaceGotContainer.createGotSymbol(gotName); |
|
728 |
||
729 |
slot1Symbol.getIndex(); // check alignment and ignore result |
|
730 |
// Get the index (offset/8) to the got in the .metaspace.got section |
|
731 |
return slot2Symbol.getIndex(); |
|
732 |
} |
|
733 |
||
734 |
public int addMethodsCount(int count, ReadOnlyDataContainer container) { |
|
735 |
return appendInt(count, container); |
|
736 |
} |
|
737 |
||
738 |
private static int appendInt(int count, ReadOnlyDataContainer container) { |
|
739 |
int offset = container.getByteStreamSize(); |
|
740 |
container.appendInt(count); |
|
741 |
return offset; |
|
742 |
} |
|
743 |
||
744 |
/** |
|
745 |
* Add constant data as follows. - Adding the data to the method.constdata section |
|
746 |
* |
|
747 |
* @param data |
|
748 |
* @param alignment |
|
749 |
* @return the offset in the method.constdata of the data |
|
750 |
*/ |
|
751 |
public int addConstantData(byte[] data, int alignment) { |
|
752 |
// Get the current length of the metaspaceNameContainer |
|
753 |
int constantDataOffset = alignUp(constantDataContainer, alignment); |
|
754 |
constantDataContainer.appendBytes(data, 0, data.length); |
|
755 |
alignUp(constantDataContainer, alignment); // Post alignment |
|
756 |
return constantDataOffset; |
|
757 |
} |
|
758 |
||
759 |
public int alignUp(ByteContainer container, int alignment) { |
|
760 |
if (Integer.bitCount(alignment) != 1) { |
|
761 |
throw new IllegalArgumentException("Must be a power of 2"); |
|
762 |
} |
|
763 |
int offset = container.getByteStreamSize(); |
|
764 |
int aligned = (offset + (alignment - 1)) & -alignment; |
|
765 |
if (aligned < offset || (aligned & (alignment - 1)) != 0) { |
|
766 |
throw new RuntimeException("Error aligning: " + offset + " -> " + aligned); |
|
767 |
} |
|
768 |
if (aligned != offset) { |
|
769 |
int nullArraySz = aligned - offset; |
|
770 |
byte[] nullArray = new byte[nullArraySz]; |
|
771 |
container.appendBytes(nullArray, 0, nullArraySz); |
|
772 |
offset = aligned; |
|
773 |
} |
|
774 |
return offset; |
|
775 |
} |
|
776 |
||
777 |
public void addCodeSegments(int start, int end) { |
|
778 |
assert (start % codeSegmentSize) == 0 : "not aligned code"; |
|
779 |
int currentOffset = codeSegmentsContainer.getByteStreamSize(); |
|
780 |
int offset = start / codeSegmentSize; |
|
781 |
int emptySize = offset - currentOffset; |
|
782 |
// add empty segments if needed |
|
783 |
if (emptySize > 0) { |
|
784 |
byte[] emptyArray = new byte[emptySize]; |
|
785 |
for (int i = 0; i < emptySize; i++) { |
|
786 |
emptyArray[i] = (byte) 0xff; |
|
787 |
} |
|
788 |
appendBytes(codeSegmentsContainer, emptyArray, 0, emptySize); |
|
789 |
} |
|
790 |
int alignedEnd = (end + (codeSegmentSize - 1)) & -codeSegmentSize; |
|
791 |
int segmentsCount = (alignedEnd / codeSegmentSize) - offset; |
|
792 |
byte[] segments = new byte[segmentsCount]; |
|
793 |
int idx = 0; |
|
794 |
for (int i = 0; i < segmentsCount; i++) { |
|
795 |
segments[i] = (byte) idx; |
|
796 |
idx = (idx == 0xfe) ? 1 : (idx + 1); |
|
797 |
} |
|
798 |
appendBytes(codeSegmentsContainer, segments, 0, segmentsCount); |
|
799 |
} |
|
800 |
||
801 |
public CodeContainer getExtLinkageContainer() { |
|
802 |
return extLinkageContainer; |
|
803 |
} |
|
804 |
||
805 |
public ByteContainer getExtLinkageGOTContainer() { |
|
806 |
return extLinkageGOTContainer; |
|
807 |
} |
|
808 |
||
809 |
public ByteContainer getMethodMetadataContainer() { |
|
810 |
return methodMetadataContainer; |
|
811 |
} |
|
812 |
||
813 |
public ReadOnlyDataContainer getMetaspaceNamesContainer() { |
|
814 |
return metaspaceNamesContainer; |
|
815 |
} |
|
816 |
||
817 |
public ReadOnlyDataContainer getMethodsOffsetsContainer() { |
|
818 |
return methodsOffsetsContainer; |
|
819 |
} |
|
820 |
||
821 |
public ReadOnlyDataContainer getKlassesOffsetsContainer() { |
|
822 |
return klassesOffsetsContainer; |
|
823 |
} |
|
824 |
||
825 |
public ReadOnlyDataContainer getKlassesDependenciesContainer() { |
|
826 |
return klassesDependenciesContainer; |
|
827 |
} |
|
828 |
||
829 |
public ReadOnlyDataContainer getStubsOffsetsContainer() { |
|
830 |
return stubsOffsetsContainer; |
|
831 |
} |
|
832 |
||
833 |
public ReadOnlyDataContainer getCodeSegmentsContainer() { |
|
834 |
return codeSegmentsContainer; |
|
835 |
} |
|
836 |
||
837 |
public ReadOnlyDataContainer getConstantDataContainer() { |
|
838 |
return constantDataContainer; |
|
839 |
} |
|
840 |
||
841 |
public ByteContainer getMetaspaceGotContainer() { |
|
842 |
return metaspaceGotContainer; |
|
843 |
} |
|
844 |
||
845 |
public ByteContainer getMetadataGotContainer() { |
|
846 |
return metadataGotContainer; |
|
847 |
} |
|
848 |
||
849 |
public ByteContainer getMethodStateContainer() { |
|
850 |
return methodStateContainer; |
|
851 |
} |
|
852 |
||
853 |
public ByteContainer getOopGotContainer() { |
|
854 |
return oopGotContainer; |
|
855 |
} |
|
856 |
||
857 |
public CodeContainer getCodeContainer() { |
|
858 |
return codeContainer; |
|
859 |
} |
|
860 |
||
861 |
public ReadOnlyDataContainer getConfigContainer() { |
|
862 |
return configContainer; |
|
863 |
} |
|
864 |
||
865 |
public Map<Symbol, Relocation> getUniqueRelocationTable() { |
|
866 |
return uniqueRelocationTable; |
|
867 |
} |
|
868 |
||
869 |
public HeaderContainer getHeaderContainer() { |
|
870 |
return headerContainer; |
|
871 |
} |
|
872 |
||
873 |
} |