| /* |
| * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_CLASSFILE_CLASSLOADEREXT_HPP |
| #define SHARE_CLASSFILE_CLASSLOADEREXT_HPP |
| |
| #include "classfile/classLoader.hpp" |
| #include "classfile/moduleEntry.hpp" |
| #include "utilities/macros.hpp" |
| |
| class ClassListParser; |
| |
| class ClassLoaderExt: public ClassLoader { // AllStatic |
| public: |
| static bool should_verify(int classpath_index) { |
| CDS_ONLY(return (classpath_index >= _app_class_paths_start_index);) |
| NOT_CDS(return false;) |
| } |
| |
| #if INCLUDE_CDS |
| private: |
| enum SomeConstants { |
| max_classpath_index = 0x7fff |
| }; |
| |
| static char* get_class_path_attr(const char* jar_path, char* manifest, jint manifest_size); |
| static void setup_app_search_path(); // Only when -Xshare:dump |
| static void process_module_table(ModuleEntryTable* met, TRAPS); |
| // index of first app JAR in shared classpath entry table |
| static jshort _app_class_paths_start_index; |
| // index of first modular JAR in shared modulepath entry table |
| static jshort _app_module_paths_start_index; |
| // the largest path index being used during CDS dump time |
| static jshort _max_used_path_index; |
| |
| static bool _has_app_classes; |
| static bool _has_platform_classes; |
| |
| static char* read_manifest(ClassPathEntry* entry, jint *manifest_size, bool clean_text, TRAPS); |
| static ClassPathEntry* find_classpath_entry_from_cache(const char* path, TRAPS); |
| |
| public: |
| static void process_jar_manifest(ClassPathEntry* entry, bool check_for_duplicates); |
| |
| // Called by JVMTI code to add boot classpath |
| static void append_boot_classpath(ClassPathEntry* new_entry); |
| |
| static void setup_search_paths(); |
| static void setup_module_paths(TRAPS); |
| |
| static char* read_manifest(ClassPathEntry* entry, jint *manifest_size, TRAPS) { |
| // Remove all the new-line continuations (which wrap long lines at 72 characters, see |
| // http://docs.oracle.com/javase/6/docs/technotes/guides/jar/jar.html#JAR%20Manifest), so |
| // that the manifest is easier to parse. |
| return read_manifest(entry, manifest_size, true, THREAD); |
| } |
| static char* read_raw_manifest(ClassPathEntry* entry, jint *manifest_size, TRAPS) { |
| // Do not remove new-line continuations, so we can easily pass it as an argument to |
| // java.util.jar.Manifest.getManifest() at run-time. |
| return read_manifest(entry, manifest_size, false, THREAD); |
| } |
| |
| static jshort app_class_paths_start_index() { return _app_class_paths_start_index; } |
| |
| static jshort app_module_paths_start_index() { return _app_module_paths_start_index; } |
| |
| static jshort max_used_path_index() { return _max_used_path_index; } |
| |
| static void set_max_used_path_index(jshort used_index) { |
| _max_used_path_index = used_index; |
| } |
| |
| static void init_paths_start_index(jshort app_start) { |
| _app_class_paths_start_index = app_start; |
| } |
| |
| static void init_app_module_paths_start_index(jshort module_start) { |
| _app_module_paths_start_index = module_start; |
| } |
| |
| static bool is_boot_classpath(int classpath_index) { |
| return classpath_index < _app_class_paths_start_index; |
| } |
| |
| static bool has_platform_or_app_classes() { |
| return _has_app_classes || _has_platform_classes; |
| } |
| |
| static void record_result(const s2 classpath_index, |
| InstanceKlass* result, TRAPS); |
| static InstanceKlass* load_class(Symbol* h_name, const char* path, TRAPS); |
| static void set_has_app_classes() { |
| _has_app_classes = true; |
| } |
| static void set_has_platform_classes() { |
| _has_platform_classes = true; |
| } |
| #endif |
| }; |
| |
| #endif // SHARE_CLASSFILE_CLASSLOADEREXT_HPP |