author | chegar |
Thu, 17 Oct 2019 20:54:25 +0100 | |
branch | datagramsocketimpl-branch |
changeset 58679 | 9c3209ff7550 |
parent 58678 | 9cf78a70fa4f |
parent 58278 | e47b459b315c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2019, 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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*/ |
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||
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#ifndef SHARE_MEMORY_FILEMAP_HPP |
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#define SHARE_MEMORY_FILEMAP_HPP |
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#include "classfile/classLoader.hpp" |
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#include "include/cds.h" |
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#include "memory/metaspaceShared.hpp" |
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#include "memory/metaspace.hpp" |
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#include "oops/compressedOops.hpp" |
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#include "utilities/align.hpp" |
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// Layout of the file: |
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// header: dump of archive instance plus versioning info, datestamp, etc. |
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// [magic # = 0xF00BABA2] |
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// ... padding to align on page-boundary |
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// read-write space |
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// read-only space |
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// misc data (block offset table, string table, symbols, dictionary, etc.) |
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// tag(666) |
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static const int JVM_IDENT_MAX = 256; |
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class SharedClassPathEntry { |
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enum { |
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modules_image_entry, |
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jar_entry, |
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signed_jar_entry, |
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dir_entry, |
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non_existent_entry, |
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unknown_entry |
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}; |
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void set_name(const char* name, TRAPS); |
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u1 _type; |
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bool _from_class_path_attr; |
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time_t _timestamp; // jar timestamp, 0 if is directory, modules image or other |
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long _filesize; // jar/jimage file size, -1 if is directory, -2 if other |
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Array<char>* _name; |
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Array<u1>* _manifest; |
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public: |
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void init(bool is_modules_image, ClassPathEntry* cpe, TRAPS); |
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void init_as_non_existent(const char* path, TRAPS); |
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void metaspace_pointers_do(MetaspaceClosure* it); |
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bool validate(bool is_class_path = true) const; |
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// The _timestamp only gets set for jar files. |
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bool has_timestamp() const { |
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return _timestamp != 0; |
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} |
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bool is_dir() const { return _type == dir_entry; } |
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bool is_modules_image() const { return _type == modules_image_entry; } |
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bool is_jar() const { return _type == jar_entry; } |
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bool is_signed() const { return _type == signed_jar_entry; } |
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void set_is_signed() { |
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_type = signed_jar_entry; |
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} |
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bool from_class_path_attr() { return _from_class_path_attr; } |
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time_t timestamp() const { return _timestamp; } |
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long filesize() const { return _filesize; } |
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const char* name() const; |
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const char* manifest() const { |
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return (_manifest == NULL) ? NULL : (const char*)_manifest->data(); |
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} |
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int manifest_size() const { |
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return (_manifest == NULL) ? 0 : _manifest->length(); |
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} |
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void set_manifest(Array<u1>* manifest) { |
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_manifest = manifest; |
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} |
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bool check_non_existent() const; |
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}; |
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struct ArchiveHeapOopmapInfo { |
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address _oopmap; // bitmap for relocating embedded oops |
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size_t _oopmap_size_in_bits; |
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}; |
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class SharedPathTable { |
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Array<u8>* _table; |
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int _size; |
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public: |
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void dumptime_init(ClassLoaderData* loader_data, Thread* THREAD); |
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void metaspace_pointers_do(MetaspaceClosure* it); |
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int size() { |
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return _size; |
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} |
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SharedClassPathEntry* path_at(int index) { |
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if (index < 0) { |
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return NULL; |
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} |
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assert(index < _size, "sanity"); |
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char* p = (char*)_table->data(); |
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p += sizeof(SharedClassPathEntry) * index; |
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return (SharedClassPathEntry*)p; |
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} |
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Array<u8>* table() {return _table;} |
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void set_table(Array<u8>* table) {_table = table;} |
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}; |
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class FileMapRegion: private CDSFileMapRegion { |
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void assert_is_heap_region() const { |
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assert(_is_heap_region, "must be heap region"); |
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} |
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void assert_is_not_heap_region() const { |
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assert(!_is_heap_region, "must not be heap region"); |
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} |
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public: |
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static FileMapRegion* cast(CDSFileMapRegion* p) { |
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return (FileMapRegion*)p; |
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} |
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// Accessors |
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int crc() const { return _crc; } |
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size_t file_offset() const { return _file_offset; } |
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char* base() const { assert_is_not_heap_region(); return _addr._base; } |
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narrowOop offset() const { assert_is_heap_region(); return (narrowOop)(_addr._offset); } |
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size_t used() const { return _used; } |
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bool read_only() const { return _read_only != 0; } |
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bool allow_exec() const { return _allow_exec != 0; } |
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void* oopmap() const { return _oopmap; } |
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size_t oopmap_size_in_bits() const { return _oopmap_size_in_bits; } |
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void set_file_offset(size_t s) { _file_offset = s; } |
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void set_read_only(bool v) { _read_only = v; } |
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void mark_invalid() { _addr._base = NULL; } |
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void init(bool is_heap_region, char* base, size_t size, bool read_only, |
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bool allow_exec, int crc); |
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void init_oopmap(void* map, size_t size_in_bits) { |
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_oopmap = map; |
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_oopmap_size_in_bits = size_in_bits; |
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} |
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}; |
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class FileMapHeader: private CDSFileMapHeaderBase { |
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friend class CDSOffsets; |
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friend class VMStructs; |
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size_t _header_size; |
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// The following fields record the states of the VM during dump time. |
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// They are compared with the runtime states to see if the archive |
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// can be used. |
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size_t _alignment; // how shared archive should be aligned |
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int _obj_alignment; // value of ObjectAlignmentInBytes |
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address _narrow_oop_base; // compressed oop encoding base |
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int _narrow_oop_shift; // compressed oop encoding shift |
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bool _compact_strings; // value of CompactStrings |
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uintx _max_heap_size; // java max heap size during dumping |
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CompressedOops::Mode _narrow_oop_mode; // compressed oop encoding mode |
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int _narrow_klass_shift; // save narrow klass base and shift |
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address _narrow_klass_base; |
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char* _misc_data_patching_start; |
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char* _serialized_data_start; // Data accessed using {ReadClosure,WriteClosure}::serialize() |
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address _i2i_entry_code_buffers; |
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size_t _i2i_entry_code_buffers_size; |
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size_t _core_spaces_size; // number of bytes allocated by the core spaces |
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// (mc, md, ro, rw and od). |
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address _heap_end; // heap end at dump time. |
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bool _base_archive_is_default; // indicates if the base archive is the system default one |
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// The following fields are all sanity checks for whether this archive |
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// will function correctly with this JVM and the bootclasspath it's |
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// invoked with. |
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char _jvm_ident[JVM_IDENT_MAX]; // identifier string of the jvm that created this dump |
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// size of the base archive name including NULL terminator |
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size_t _base_archive_name_size; |
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// The following is a table of all the boot/app/module path entries that were used |
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// during dumping. At run time, we validate these entries according to their |
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// SharedClassPathEntry::_type. See: |
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// check_nonempty_dir_in_shared_path_table() |
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// validate_shared_path_table() |
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// validate_non_existent_class_paths() |
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SharedPathTable _shared_path_table; |
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jshort _app_class_paths_start_index; // Index of first app classpath entry |
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jshort _app_module_paths_start_index; // Index of first module path entry |
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jshort _num_module_paths; // number of module path entries |
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jshort _max_used_path_index; // max path index referenced during CDS dump |
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bool _verify_local; // BytecodeVerificationLocal setting |
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bool _verify_remote; // BytecodeVerificationRemote setting |
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bool _has_platform_or_app_classes; // Archive contains app classes |
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size_t _shared_base_address; // SharedBaseAddress used at dump time |
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bool _allow_archiving_with_java_agent; // setting of the AllowArchivingWithJavaAgent option |
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public: |
218 |
// Accessors -- fields declared in CDSFileMapHeaderBase |
|
219 |
unsigned int magic() const {return _magic;} |
|
220 |
int crc() const { return _crc; } |
|
221 |
int version() const { return _version; } |
|
222 |
||
223 |
void set_crc(int crc_value) { _crc = crc_value; } |
|
224 |
void set_version(int v) { _version = v; } |
|
225 |
||
226 |
// Accessors -- fields declared in FileMapHeader |
|
227 |
||
228 |
size_t header_size() const { return _header_size; } |
|
229 |
size_t alignment() const { return _alignment; } |
|
230 |
int obj_alignment() const { return _obj_alignment; } |
|
231 |
address narrow_oop_base() const { return _narrow_oop_base; } |
|
232 |
int narrow_oop_shift() const { return _narrow_oop_shift; } |
|
233 |
bool compact_strings() const { return _compact_strings; } |
|
234 |
uintx max_heap_size() const { return _max_heap_size; } |
|
235 |
CompressedOops::Mode narrow_oop_mode() const { return _narrow_oop_mode; } |
|
236 |
int narrow_klass_shift() const { return _narrow_klass_shift; } |
|
237 |
address narrow_klass_base() const { return _narrow_klass_base; } |
|
238 |
char* misc_data_patching_start() const { return _misc_data_patching_start; } |
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char* serialized_data_start() const { return _serialized_data_start; } |
58096 | 240 |
address i2i_entry_code_buffers() const { return _i2i_entry_code_buffers; } |
241 |
size_t i2i_entry_code_buffers_size() const { return _i2i_entry_code_buffers_size; } |
|
242 |
size_t core_spaces_size() const { return _core_spaces_size; } |
|
243 |
address heap_end() const { return _heap_end; } |
|
244 |
bool base_archive_is_default() const { return _base_archive_is_default; } |
|
245 |
const char* jvm_ident() const { return _jvm_ident; } |
|
246 |
size_t base_archive_name_size() const { return _base_archive_name_size; } |
|
247 |
size_t shared_base_address() const { return _shared_base_address; } |
|
248 |
bool has_platform_or_app_classes() const { return _has_platform_or_app_classes; } |
|
249 |
SharedPathTable shared_path_table() const { return _shared_path_table; } |
|
250 |
||
251 |
// FIXME: These should really return int |
|
252 |
jshort max_used_path_index() const { return _max_used_path_index; } |
|
253 |
jshort app_module_paths_start_index() const { return _app_module_paths_start_index; } |
|
254 |
jshort app_class_paths_start_index() const { return _app_class_paths_start_index; } |
|
255 |
jshort num_module_paths() const { return _num_module_paths; } |
|
256 |
||
257 |
void set_core_spaces_size(size_t s) { _core_spaces_size = s; } |
|
258 |
void set_has_platform_or_app_classes(bool v) { _has_platform_or_app_classes = v; } |
|
259 |
void set_misc_data_patching_start(char* p) { _misc_data_patching_start = p; } |
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void set_serialized_data_start(char* p) { _serialized_data_start = p; } |
58096 | 261 |
void set_base_archive_name_size(size_t s) { _base_archive_name_size = s; } |
262 |
void set_base_archive_is_default(bool b) { _base_archive_is_default = b; } |
|
263 |
void set_header_size(size_t s) { _header_size = s; } |
|
264 |
||
265 |
void set_i2i_entry_code_buffers(address p, size_t s) { |
|
266 |
_i2i_entry_code_buffers = p; |
|
267 |
_i2i_entry_code_buffers_size = s; |
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268 |
} |
58096 | 269 |
|
270 |
void relocate_shared_path_table(Array<u8>* t) { |
|
271 |
assert(DynamicDumpSharedSpaces, "only"); |
|
272 |
_shared_path_table.set_table(t); |
|
273 |
} |
|
274 |
||
275 |
void shared_path_table_metaspace_pointers_do(MetaspaceClosure* it) { |
|
276 |
assert(DynamicDumpSharedSpaces, "only"); |
|
277 |
_shared_path_table.metaspace_pointers_do(it); |
|
278 |
} |
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279 |
|
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280 |
bool validate(); |
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int compute_crc(); |
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282 |
|
58096 | 283 |
FileMapRegion* space_at(int i) { |
284 |
assert(is_valid_region(i), "invalid region"); |
|
285 |
return FileMapRegion::cast(&_space[i]); |
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286 |
} |
58096 | 287 |
|
54927 | 288 |
void populate(FileMapInfo* info, size_t alignment); |
58096 | 289 |
|
290 |
static bool is_valid_region(int region) { |
|
291 |
return (0 <= region && region < NUM_CDS_REGIONS); |
|
292 |
} |
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293 |
}; |
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294 |
|
13195 | 295 |
class FileMapInfo : public CHeapObj<mtInternal> { |
1 | 296 |
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friend class ManifestStream; |
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298 |
friend class VMStructs; |
58096 | 299 |
friend class CDSOffsets; |
300 |
friend class FileMapHeader; |
|
1 | 301 |
|
58096 | 302 |
bool _is_static; |
303 |
bool _file_open; |
|
304 |
int _fd; |
|
305 |
size_t _file_offset; |
|
306 |
const char* _full_path; |
|
307 |
const char* _base_archive_name; |
|
308 |
FileMapHeader* _header; |
|
1 | 309 |
|
54927 | 310 |
// TODO: Probably change the following to be non-static |
311 |
static SharedPathTable _shared_path_table; |
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static bool _validating_shared_path_table; |
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313 |
|
1 | 314 |
// FileMapHeader describes the shared space data in the file to be |
315 |
// mapped. This structure gets written to a file. It is not a class, so |
|
316 |
// that the compilers don't add any compiler-private data to it. |
|
317 |
||
318 |
static FileMapInfo* _current_info; |
|
54927 | 319 |
static FileMapInfo* _dynamic_archive_info; |
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static bool _heap_pointers_need_patching; |
54927 | 321 |
static bool _memory_mapping_failed; |
57898 | 322 |
static GrowableArray<const char*>* _non_existent_class_paths; |
323 |
||
58096 | 324 |
FileMapHeader *header() const { return _header; } |
325 |
||
326 |
public: |
|
54927 | 327 |
static bool get_base_archive_name_from_header(const char* archive_name, |
328 |
int* size, char** base_archive_name); |
|
329 |
static bool check_archive(const char* archive_name, bool is_static); |
|
330 |
void restore_shared_path_table(); |
|
58096 | 331 |
bool init_from_file(int fd, bool is_static); |
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332 |
static void metaspace_pointers_do(MetaspaceClosure* it); |
1 | 333 |
|
57898 | 334 |
void log_paths(const char* msg, int start_idx, int end_idx); |
335 |
||
54927 | 336 |
FileMapInfo(bool is_static); |
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337 |
~FileMapInfo(); |
1 | 338 |
|
58096 | 339 |
// Accessors |
340 |
int compute_header_crc() const { return header()->compute_crc(); } |
|
341 |
void set_header_crc(int crc) { header()->set_crc(crc); } |
|
342 |
int space_crc(int i) const { return space_at(i)->crc(); } |
|
1 | 343 |
void populate_header(size_t alignment); |
54927 | 344 |
bool validate_header(bool is_static); |
1 | 345 |
void invalidate(); |
58096 | 346 |
int crc() const { return header()->crc(); } |
347 |
int version() const { return header()->version(); } |
|
348 |
size_t alignment() const { return header()->alignment(); } |
|
349 |
address narrow_oop_base() const { return header()->narrow_oop_base(); } |
|
350 |
int narrow_oop_shift() const { return header()->narrow_oop_shift(); } |
|
351 |
uintx max_heap_size() const { return header()->max_heap_size(); } |
|
352 |
address narrow_klass_base() const { return header()->narrow_klass_base(); } |
|
353 |
int narrow_klass_shift() const { return header()->narrow_klass_shift(); } |
|
354 |
||
355 |
CompressedOops::Mode narrow_oop_mode() const { return header()->narrow_oop_mode(); } |
|
356 |
jshort app_module_paths_start_index() const { return header()->app_module_paths_start_index(); } |
|
357 |
jshort app_class_paths_start_index() const { return header()->app_class_paths_start_index(); } |
|
358 |
||
359 |
char* misc_data_patching_start() const { return header()->misc_data_patching_start(); } |
|
360 |
void set_misc_data_patching_start(char* p) const { header()->set_misc_data_patching_start(p); } |
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char* serialized_data_start() const { return header()->serialized_data_start(); } |
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362 |
void set_serialized_data_start(char* p) const { header()->set_serialized_data_start(p); } |
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|
363 |
|
54927 | 364 |
bool is_file_position_aligned() const; |
365 |
void align_file_position(); |
|
366 |
||
58096 | 367 |
address i2i_entry_code_buffers() const { return header()->i2i_entry_code_buffers(); } |
368 |
size_t i2i_entry_code_buffers_size() const { return header()->i2i_entry_code_buffers_size(); } |
|
369 |
void set_i2i_entry_code_buffers(address addr, size_t s) const { |
|
370 |
header()->set_i2i_entry_code_buffers(addr, s); |
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|
371 |
} |
58096 | 372 |
|
373 |
void set_core_spaces_size(size_t s) const { header()->set_core_spaces_size(s); } |
|
374 |
size_t core_spaces_size() const { return header()->core_spaces_size(); } |
|
375 |
||
376 |
class DynamicArchiveHeader* dynamic_header() const { |
|
377 |
assert(!_is_static, "must be"); |
|
378 |
return (DynamicArchiveHeader*)header(); |
|
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|
379 |
} |
58096 | 380 |
|
381 |
void set_has_platform_or_app_classes(bool v) { |
|
382 |
header()->set_has_platform_or_app_classes(v); |
|
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|
383 |
} |
58096 | 384 |
bool has_platform_or_app_classes() const { |
385 |
return header()->has_platform_or_app_classes(); |
|
386 |
} |
|
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|
387 |
|
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|
388 |
static FileMapInfo* current_info() { |
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|
389 |
CDS_ONLY(return _current_info;) |
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|
390 |
NOT_CDS(return NULL;) |
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|
391 |
} |
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|
392 |
|
54927 | 393 |
static void set_current_info(FileMapInfo* info) { |
394 |
CDS_ONLY(_current_info = info;) |
|
395 |
} |
|
396 |
||
397 |
static FileMapInfo* dynamic_info() { |
|
398 |
CDS_ONLY(return _dynamic_archive_info;) |
|
399 |
NOT_CDS(return NULL;) |
|
400 |
} |
|
401 |
||
1 | 402 |
static void assert_mark(bool check); |
403 |
||
404 |
// File manipulation. |
|
54927 | 405 |
bool initialize(bool is_static) NOT_CDS_RETURN_(false); |
406 |
bool open_for_read(const char* path = NULL); |
|
407 |
void open_for_write(const char* path = NULL); |
|
1 | 408 |
void write_header(); |
409 |
void write_region(int region, char* base, size_t size, |
|
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|
410 |
bool read_only, bool allow_exec); |
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|
411 |
size_t write_archive_heap_regions(GrowableArray<MemRegion> *heap_mem, |
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|
412 |
GrowableArray<ArchiveHeapOopmapInfo> *oopmaps, |
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|
413 |
int first_region_id, int max_num_regions); |
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|
414 |
void write_bytes(const void* buffer, size_t count); |
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|
415 |
void write_bytes_aligned(const void* buffer, size_t count); |
54927 | 416 |
size_t read_bytes(void* buffer, size_t count); |
417 |
char* map_regions(int regions[], char* saved_base[], size_t len); |
|
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|
418 |
char* map_region(int i, char** top_ret); |
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|
419 |
void map_heap_regions_impl() NOT_CDS_JAVA_HEAP_RETURN; |
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|
420 |
void map_heap_regions() NOT_CDS_JAVA_HEAP_RETURN; |
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|
421 |
void fixup_mapped_heap_regions() NOT_CDS_JAVA_HEAP_RETURN; |
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|
422 |
void patch_archived_heap_embedded_pointers() NOT_CDS_JAVA_HEAP_RETURN; |
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|
423 |
void patch_archived_heap_embedded_pointers(MemRegion* ranges, int num_ranges, |
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|
424 |
int first_region_idx) NOT_CDS_JAVA_HEAP_RETURN; |
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|
425 |
bool has_heap_regions() NOT_CDS_JAVA_HEAP_RETURN_(false); |
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|
426 |
MemRegion get_heap_regions_range_with_current_oop_encoding_mode() NOT_CDS_JAVA_HEAP_RETURN_(MemRegion()); |
54927 | 427 |
void unmap_regions(int regions[], char* saved_base[], size_t len); |
1 | 428 |
void unmap_region(int i); |
27025 | 429 |
bool verify_region_checksum(int i); |
1 | 430 |
void close(); |
431 |
bool is_open() { return _file_open; } |
|
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|
432 |
ReservedSpace reserve_shared_memory(); |
1 | 433 |
|
434 |
// JVM/TI RedefineClasses() support: |
|
435 |
// Remap the shared readonly space to shared readwrite, private. |
|
436 |
bool remap_shared_readonly_as_readwrite(); |
|
437 |
||
438 |
// Errors. |
|
26296 | 439 |
static void fail_stop(const char *msg, ...) ATTRIBUTE_PRINTF(1, 2); |
440 |
static void fail_continue(const char *msg, ...) ATTRIBUTE_PRINTF(1, 2); |
|
54927 | 441 |
static bool memory_mapping_failed() { |
442 |
CDS_ONLY(return _memory_mapping_failed;) |
|
443 |
NOT_CDS(return false;) |
|
444 |
} |
|
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|
445 |
bool is_in_shared_region(const void* p, int idx) NOT_CDS_RETURN_(false); |
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|
446 |
|
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|
447 |
// Stop CDS sharing and unmap CDS regions. |
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|
448 |
static void stop_sharing_and_unmap(const char* msg); |
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|
449 |
|
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|
450 |
static void allocate_shared_path_table(); |
57898 | 451 |
static int add_shared_classpaths(int i, const char* which, ClassPathEntry *cpe, TRAPS); |
49931 | 452 |
static void check_nonempty_dir_in_shared_path_table(); |
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|
453 |
bool validate_shared_path_table(); |
57898 | 454 |
void validate_non_existent_class_paths(); |
455 |
static void update_jar_manifest(ClassPathEntry *cpe, SharedClassPathEntry* ent, TRAPS); |
|
456 |
static int num_non_existent_class_paths(); |
|
457 |
static void record_non_existent_class_path_entry(const char* path); |
|
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|
458 |
|
53884
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8218751: Do not store original classfiles inside the CDS archive
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changeset
|
459 |
#if INCLUDE_JVMTI |
54340
2221f042556d
8221351: Crash in KlassFactory::check_shared_class_file_load_hook
iklam
parents:
53884
diff
changeset
|
460 |
static ClassFileStream* open_stream_for_jvmti(InstanceKlass* ik, Handle class_loader, TRAPS); |
53884
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8218751: Do not store original classfiles inside the CDS archive
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changeset
|
461 |
#endif |
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
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diff
changeset
|
462 |
|
49739
00805b129186
8194812: Extend class-data sharing to support the module path
ccheung
parents:
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diff
changeset
|
463 |
static SharedClassPathEntry* shared_path(int index) { |
54927 | 464 |
return _shared_path_table.path_at(index); |
26135
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
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changeset
|
465 |
} |
49739
00805b129186
8194812: Extend class-data sharing to support the module path
ccheung
parents:
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changeset
|
466 |
|
00805b129186
8194812: Extend class-data sharing to support the module path
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changeset
|
467 |
static const char* shared_path_name(int index) { |
41739
4a4b9f6a4306
8167333: Invalid source path info might be used when creating ClassFileStream after CFLH transforms a shared classes in some cases
jiangli
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41281
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changeset
|
468 |
assert(index >= 0, "Sanity"); |
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changeset
|
469 |
return shared_path(index)->name(); |
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8046070: Class Data Sharing clean up and refactoring
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changeset
|
470 |
} |
82b516c550f7
8046070: Class Data Sharing clean up and refactoring
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changeset
|
471 |
|
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ccheung
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changeset
|
472 |
static int get_number_of_shared_paths() { |
54927 | 473 |
return _shared_path_table.size(); |
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8046070: Class Data Sharing clean up and refactoring
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changeset
|
474 |
} |
46810
7dad333205cd
8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
jiangli
parents:
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diff
changeset
|
475 |
|
51491
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
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diff
changeset
|
476 |
char* region_addr(int idx); |
187c84a5efe1
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iklam
parents:
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diff
changeset
|
477 |
|
46810
7dad333205cd
8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
jiangli
parents:
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diff
changeset
|
478 |
private: |
58277
00a98f0aa1b3
8231257: Avoid calling FileMapInfo::write_region twice
iklam
parents:
58096
diff
changeset
|
479 |
void seek_to_position(size_t pos); |
55524
b279ae9843b8
8211723: AppCDS: referring to a jar file in any way other than exactly how it was done during dumping doesn't work
ccheung
parents:
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diff
changeset
|
480 |
char* skip_first_path_entry(const char* path) NOT_CDS_RETURN_(NULL); |
b279ae9843b8
8211723: AppCDS: referring to a jar file in any way other than exactly how it was done during dumping doesn't work
ccheung
parents:
54927
diff
changeset
|
481 |
int num_paths(const char* path) NOT_CDS_RETURN_(0); |
57897
e2e315f1aa63
8230168: Use ClasspathStream for FileMapInfo::create_path_array
iklam
parents:
55535
diff
changeset
|
482 |
GrowableArray<const char*>* create_path_array(const char* path) NOT_CDS_RETURN_(NULL); |
55535
df1925d3d409
8226967: Minimal VM: FALSE was not declared in this scope
aoqi
parents:
55524
diff
changeset
|
483 |
bool fail(const char* msg, const char* name) NOT_CDS_RETURN_(false); |
57897
e2e315f1aa63
8230168: Use ClasspathStream for FileMapInfo::create_path_array
iklam
parents:
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diff
changeset
|
484 |
bool check_paths(int shared_path_start_idx, int num_paths, |
e2e315f1aa63
8230168: Use ClasspathStream for FileMapInfo::create_path_array
iklam
parents:
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diff
changeset
|
485 |
GrowableArray<const char*>* rp_array) NOT_CDS_RETURN_(false); |
55535
df1925d3d409
8226967: Minimal VM: FALSE was not declared in this scope
aoqi
parents:
55524
diff
changeset
|
486 |
bool validate_boot_class_paths() NOT_CDS_RETURN_(false); |
df1925d3d409
8226967: Minimal VM: FALSE was not declared in this scope
aoqi
parents:
55524
diff
changeset
|
487 |
bool validate_app_class_paths(int shared_app_paths_len) NOT_CDS_RETURN_(false); |
46810
7dad333205cd
8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
jiangli
parents:
46746
diff
changeset
|
488 |
bool map_heap_data(MemRegion **heap_mem, int first, int max, int* num, |
7dad333205cd
8179302: Pre-resolve constant pool string entries and cache resolved_reference arrays in CDS archive.
jiangli
parents:
46746
diff
changeset
|
489 |
bool is_open = false) NOT_CDS_JAVA_HEAP_RETURN_(false); |
54927 | 490 |
bool region_crc_check(char* buf, size_t size, int expected_crc) NOT_CDS_RETURN_(false); |
52674
c9325aa887da
8214118: HeapRegions marked as archive even if CDS mapping fails
sjohanss
parents:
52596
diff
changeset
|
491 |
void dealloc_archive_heap_regions(MemRegion* regions, int num, bool is_open) NOT_CDS_JAVA_HEAP_RETURN; |
51477
e77d7687c831
8209657: Refactor filemap.hpp to simplify integration with Serviceability Agent
iklam
parents:
51439
diff
changeset
|
492 |
|
58096 | 493 |
FileMapRegion* space_at(int i) const { |
494 |
return header()->space_at(i); |
|
51477
e77d7687c831
8209657: Refactor filemap.hpp to simplify integration with Serviceability Agent
iklam
parents:
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diff
changeset
|
495 |
} |
51491
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
496 |
|
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
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diff
changeset
|
497 |
// The starting address of spc, as calculated with CompressedOop::decode_non_null() |
58096 | 498 |
address start_address_as_decoded_with_current_oop_encoding_mode(FileMapRegion* spc) { |
51491
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iklam
parents:
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diff
changeset
|
499 |
return decode_start_address(spc, true); |
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
500 |
} |
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
501 |
|
51720
b7bfd64e43a6
8210523: runtime/appcds/cacheObject/DifferentHeapSizes.java crash
iklam
parents:
51491
diff
changeset
|
502 |
// The starting address of spc, as calculated with HeapShared::decode_from_archive() |
58096 | 503 |
address start_address_as_decoded_from_archive(FileMapRegion* spc) { |
51491
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8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
504 |
return decode_start_address(spc, false); |
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
505 |
} |
187c84a5efe1
8208658: Make CDS archived heap regions usable even if compressed oop encoding has changed
iklam
parents:
51477
diff
changeset
|
506 |
|
58096 | 507 |
address decode_start_address(FileMapRegion* spc, bool with_current_oop_encoding_mode); |
53884
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
iklam
parents:
53244
diff
changeset
|
508 |
|
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
iklam
parents:
53244
diff
changeset
|
509 |
#if INCLUDE_JVMTI |
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
iklam
parents:
53244
diff
changeset
|
510 |
static ClassPathEntry** _classpath_entries_for_jvmti; |
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
iklam
parents:
53244
diff
changeset
|
511 |
static ClassPathEntry* get_classpath_entry_for_jvmti(int i, TRAPS); |
1a7b57d02107
8218751: Do not store original classfiles inside the CDS archive
iklam
parents:
53244
diff
changeset
|
512 |
#endif |
1 | 513 |
}; |
7397 | 514 |
|
53244
9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
52674
diff
changeset
|
515 |
#endif // SHARE_MEMORY_FILEMAP_HPP |