src/hotspot/share/classfile/classLoader.cpp
author stefank
Fri, 04 May 2018 11:41:35 +0200
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parent 49931 840e26123940
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8200729: Conditional compilation of GCs Reviewed-by: ehelin, coleenp, kvn, ihse
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/*
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 * Copyright (c) 1997, 2018, 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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#include "precompiled.hpp"
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#include "jvm.h"
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#include "jimage.hpp"
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#include "classfile/classFileStream.hpp"
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#include "classfile/classLoader.inline.hpp"
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#include "classfile/classLoaderData.inline.hpp"
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#include "classfile/classLoaderExt.hpp"
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#include "classfile/javaClasses.hpp"
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#include "classfile/moduleEntry.hpp"
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#include "classfile/modules.hpp"
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#include "classfile/packageEntry.hpp"
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#include "classfile/klassFactory.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "compiler/compileBroker.hpp"
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#include "interpreter/bytecodeStream.hpp"
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#include "interpreter/oopMapCache.hpp"
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#include "logging/log.hpp"
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#include "logging/logStream.hpp"
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#include "logging/logTag.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/filemap.hpp"
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#include "memory/oopFactory.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/instanceRefKlass.hpp"
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#include "oops/method.inline.hpp"
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#include "oops/objArrayOop.inline.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "prims/jvm_misc.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/compilationPolicy.hpp"
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#include "runtime/handles.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/init.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/os.inline.hpp"
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#include "runtime/threadCritical.hpp"
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#include "runtime/timer.hpp"
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#include "runtime/vm_version.hpp"
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#include "services/management.hpp"
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#include "services/threadService.hpp"
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#include "utilities/events.hpp"
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#include "utilities/hashtable.inline.hpp"
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#include "utilities/macros.hpp"
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#if INCLUDE_CDS
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#include "classfile/sharedClassUtil.hpp"
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#include "classfile/sharedPathsMiscInfo.hpp"
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#endif
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// Entry points in zip.dll for loading zip/jar file entries
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typedef void * * (*ZipOpen_t)(const char *name, char **pmsg);
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typedef void (*ZipClose_t)(jzfile *zip);
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typedef jzentry* (*FindEntry_t)(jzfile *zip, const char *name, jint *sizeP, jint *nameLen);
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typedef jboolean (*ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf);
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typedef jzentry* (*GetNextEntry_t)(jzfile *zip, jint n);
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typedef jboolean (*ZipInflateFully_t)(void *inBuf, jlong inLen, void *outBuf, jlong outLen, char **pmsg);
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typedef jint     (*Crc32_t)(jint crc, const jbyte *buf, jint len);
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static ZipOpen_t         ZipOpen            = NULL;
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static ZipClose_t        ZipClose           = NULL;
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static FindEntry_t       FindEntry          = NULL;
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static ReadEntry_t       ReadEntry          = NULL;
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static GetNextEntry_t    GetNextEntry       = NULL;
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static canonicalize_fn_t CanonicalizeEntry  = NULL;
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static ZipInflateFully_t ZipInflateFully    = NULL;
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static Crc32_t           Crc32              = NULL;
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// Entry points for jimage.dll for loading jimage file entries
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static JImageOpen_t                    JImageOpen             = NULL;
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static JImageClose_t                   JImageClose            = NULL;
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static JImagePackageToModule_t         JImagePackageToModule  = NULL;
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static JImageFindResource_t            JImageFindResource     = NULL;
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static JImageGetResource_t             JImageGetResource      = NULL;
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static JImageResourceIterator_t        JImageResourceIterator = NULL;
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static JImage_ResourcePath_t           JImageResourcePath     = NULL;
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// Globals
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PerfCounter*    ClassLoader::_perf_accumulated_time = NULL;
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PerfCounter*    ClassLoader::_perf_classes_inited = NULL;
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PerfCounter*    ClassLoader::_perf_class_init_time = NULL;
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PerfCounter*    ClassLoader::_perf_class_init_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_classes_verified = NULL;
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PerfCounter*    ClassLoader::_perf_class_verify_time = NULL;
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PerfCounter*    ClassLoader::_perf_class_verify_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_classes_linked = NULL;
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PerfCounter*    ClassLoader::_perf_class_link_time = NULL;
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PerfCounter*    ClassLoader::_perf_class_link_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_class_parse_time = NULL;
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PerfCounter*    ClassLoader::_perf_class_parse_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_sys_class_lookup_time = NULL;
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PerfCounter*    ClassLoader::_perf_shared_classload_time = NULL;
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PerfCounter*    ClassLoader::_perf_sys_classload_time = NULL;
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PerfCounter*    ClassLoader::_perf_app_classload_time = NULL;
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PerfCounter*    ClassLoader::_perf_app_classload_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_app_classload_count = NULL;
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PerfCounter*    ClassLoader::_perf_define_appclasses = NULL;
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PerfCounter*    ClassLoader::_perf_define_appclass_time = NULL;
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PerfCounter*    ClassLoader::_perf_define_appclass_selftime = NULL;
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PerfCounter*    ClassLoader::_perf_app_classfile_bytes_read = NULL;
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PerfCounter*    ClassLoader::_perf_sys_classfile_bytes_read = NULL;
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PerfCounter*    ClassLoader::_sync_systemLoaderLockContentionRate = NULL;
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PerfCounter*    ClassLoader::_sync_nonSystemLoaderLockContentionRate = NULL;
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PerfCounter*    ClassLoader::_sync_JVMFindLoadedClassLockFreeCounter = NULL;
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PerfCounter*    ClassLoader::_sync_JVMDefineClassLockFreeCounter = NULL;
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PerfCounter*    ClassLoader::_sync_JNIDefineClassLockFreeCounter = NULL;
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PerfCounter*    ClassLoader::_unsafe_defineClassCallCounter = NULL;
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PerfCounter*    ClassLoader::_load_instance_class_failCounter = NULL;
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GrowableArray<ModuleClassPathList*>* ClassLoader::_patch_mod_entries = NULL;
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GrowableArray<ModuleClassPathList*>* ClassLoader::_exploded_entries = NULL;
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ClassPathEntry* ClassLoader::_jrt_entry = NULL;
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ClassPathEntry* ClassLoader::_first_append_entry = NULL;
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ClassPathEntry* ClassLoader::_last_append_entry  = NULL;
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#if INCLUDE_CDS
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ClassPathEntry* ClassLoader::_app_classpath_entries = NULL;
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ClassPathEntry* ClassLoader::_last_app_classpath_entry = NULL;
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ClassPathEntry* ClassLoader::_module_path_entries = NULL;
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ClassPathEntry* ClassLoader::_last_module_path_entry = NULL;
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SharedPathsMiscInfo* ClassLoader::_shared_paths_misc_info = NULL;
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#endif
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// helper routines
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bool string_starts_with(const char* str, const char* str_to_find) {
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  size_t str_len = strlen(str);
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  size_t str_to_find_len = strlen(str_to_find);
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  if (str_to_find_len > str_len) {
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    return false;
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  }
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  return (strncmp(str, str_to_find, str_to_find_len) == 0);
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}
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static const char* get_jimage_version_string() {
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  static char version_string[10] = "";
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  if (version_string[0] == '\0') {
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    jio_snprintf(version_string, sizeof(version_string), "%d.%d",
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                 Abstract_VM_Version::vm_major_version(), Abstract_VM_Version::vm_minor_version());
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  }
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  return (const char*)version_string;
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}
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bool ClassLoader::string_ends_with(const char* str, const char* str_to_find) {
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  size_t str_len = strlen(str);
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  size_t str_to_find_len = strlen(str_to_find);
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  if (str_to_find_len > str_len) {
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    return false;
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  }
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  return (strncmp(str + (str_len - str_to_find_len), str_to_find, str_to_find_len) == 0);
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}
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// Used to obtain the package name from a fully qualified class name.
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// It is the responsibility of the caller to establish a ResourceMark.
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const char* ClassLoader::package_from_name(const char* const class_name, bool* bad_class_name) {
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  if (class_name == NULL) {
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    if (bad_class_name != NULL) {
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      *bad_class_name = true;
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    }
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    return NULL;
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  }
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  if (bad_class_name != NULL) {
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    *bad_class_name = false;
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  }
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  const char* const last_slash = strrchr(class_name, '/');
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  if (last_slash == NULL) {
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    // No package name
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    return NULL;
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  }
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  char* class_name_ptr = (char*) class_name;
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  // Skip over '['s
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  if (*class_name_ptr == '[') {
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    do {
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      class_name_ptr++;
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    } while (*class_name_ptr == '[');
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    // Fully qualified class names should not contain a 'L'.
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    // Set bad_class_name to true to indicate that the package name
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    // could not be obtained due to an error condition.
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    // In this situation, is_same_class_package returns false.
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    if (*class_name_ptr == 'L') {
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      if (bad_class_name != NULL) {
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        *bad_class_name = true;
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      }
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      return NULL;
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    }
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  }
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  int length = last_slash - class_name_ptr;
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  // A class name could have just the slash character in the name.
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  if (length <= 0) {
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    // No package name
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    if (bad_class_name != NULL) {
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      *bad_class_name = true;
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    }
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    return NULL;
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  }
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  // drop name after last slash (including slash)
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  // Ex., "java/lang/String.class" => "java/lang"
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  char* pkg_name = NEW_RESOURCE_ARRAY(char, length + 1);
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  strncpy(pkg_name, class_name_ptr, length);
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  *(pkg_name+length) = '\0';
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  return (const char *)pkg_name;
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}
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// Given a fully qualified class name, find its defining package in the class loader's
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// package entry table.
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PackageEntry* ClassLoader::get_package_entry(const char* class_name, ClassLoaderData* loader_data, TRAPS) {
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  ResourceMark rm(THREAD);
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  const char *pkg_name = ClassLoader::package_from_name(class_name);
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  if (pkg_name == NULL) {
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    return NULL;
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  }
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  PackageEntryTable* pkgEntryTable = loader_data->packages();
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  TempNewSymbol pkg_symbol = SymbolTable::new_symbol(pkg_name, CHECK_NULL);
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  return pkgEntryTable->lookup_only(pkg_symbol);
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}
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ClassPathDirEntry::ClassPathDirEntry(const char* dir) : ClassPathEntry() {
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  char* copy = NEW_C_HEAP_ARRAY(char, strlen(dir)+1, mtClass);
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  strcpy(copy, dir);
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  _dir = copy;
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}
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ClassFileStream* ClassPathDirEntry::open_stream(const char* name, TRAPS) {
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  // construct full path name
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  assert((_dir != NULL) && (name != NULL), "sanity");
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  size_t path_len = strlen(_dir) + strlen(name) + strlen(os::file_separator()) + 1;
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  char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len);
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  int len = jio_snprintf(path, path_len, "%s%s%s", _dir, os::file_separator(), name);
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  assert(len == (int)(path_len - 1), "sanity");
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  // check if file exists
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  struct stat st;
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  if (os::stat(path, &st) == 0) {
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    // found file, open it
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    int file_handle = os::open(path, 0, 0);
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    if (file_handle != -1) {
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      // read contents into resource array
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      u1* buffer = NEW_RESOURCE_ARRAY(u1, st.st_size);
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      size_t num_read = os::read(file_handle, (char*) buffer, st.st_size);
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      // close file
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      os::close(file_handle);
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      // construct ClassFileStream
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      if (num_read == (size_t)st.st_size) {
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        if (UsePerfData) {
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          ClassLoader::perf_sys_classfile_bytes_read()->inc(num_read);
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        }
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        FREE_RESOURCE_ARRAY(char, path, path_len);
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        // Resource allocated
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        return new ClassFileStream(buffer,
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                                   st.st_size,
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                                   _dir,
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                                   ClassFileStream::verify);
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      }
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    }
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  }
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  FREE_RESOURCE_ARRAY(char, path, path_len);
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  return NULL;
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   295
}
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   296
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ClassPathZipEntry::ClassPathZipEntry(jzfile* zip, const char* zip_name, bool is_boot_append) : ClassPathEntry() {
1
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  _zip = zip;
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  char *copy = NEW_C_HEAP_ARRAY(char, strlen(zip_name)+1, mtClass);
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  strcpy(copy, zip_name);
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  _zip_name = copy;
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  _is_boot_append = is_boot_append;
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   303
  _multi_versioned = _unknown;
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   304
}
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   305
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ClassPathZipEntry::~ClassPathZipEntry() {
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   307
  if (ZipClose != NULL) {
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   308
    (*ZipClose)(_zip);
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   309
  }
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   310
  FREE_C_HEAP_ARRAY(char, _zip_name);
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   311
}
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   312
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u1* ClassPathZipEntry::open_entry(const char* name, jint* filesize, bool nul_terminate, TRAPS) {
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    // enable call to C land
1
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   315
  JavaThread* thread = JavaThread::current();
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   316
  ThreadToNativeFromVM ttn(thread);
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   317
  // check whether zip archive contains name
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   318
  jint name_len;
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   319
  jzentry* entry = (*FindEntry)(_zip, name, filesize, &name_len);
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   320
  if (entry == NULL) return NULL;
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   321
  u1* buffer;
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   322
  char name_buf[128];
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   323
  char* filename;
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   324
  if (name_len < 128) {
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   325
    filename = name_buf;
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   326
  } else {
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   327
    filename = NEW_RESOURCE_ARRAY(char, name_len + 1);
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   328
  }
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   329
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4a349512fde1 8166930: minor cleanups 1) remove reference to ZIP_ReadMappedEntry 2) checking of st_mode
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parents: 41281
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   330
  // read contents into resource array
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parents: 41281
diff changeset
   331
  int size = (*filesize) + ((nul_terminate) ? 1 : 0);
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diff changeset
   332
  buffer = NEW_RESOURCE_ARRAY(u1, size);
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ccheung
parents: 41281
diff changeset
   333
  if (!(*ReadEntry)(_zip, entry, buffer, filename)) return NULL;
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diff changeset
   334
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   335
  // return result
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   336
  if (nul_terminate) {
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   337
    buffer[*filesize] = 0;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
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diff changeset
   338
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
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   339
  return buffer;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
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   340
}
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diff changeset
   341
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   342
#if INCLUDE_CDS
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   343
u1* ClassPathZipEntry::open_versioned_entry(const char* name, jint* filesize, TRAPS) {
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   344
  u1* buffer = NULL;
38294
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ccheung
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   345
  if (DumpSharedSpaces && !_is_boot_append) {
37220
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   346
    // We presume default is multi-release enabled
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   347
    const char* multi_ver = Arguments::get_property("jdk.util.jar.enableMultiRelease");
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diff changeset
   348
    const char* verstr = Arguments::get_property("jdk.util.jar.version");
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diff changeset
   349
    bool is_multi_ver = (multi_ver == NULL ||
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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   350
                         strcmp(multi_ver, "true") == 0 ||
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   351
                         strcmp(multi_ver, "force")  == 0) &&
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diff changeset
   352
                         is_multiple_versioned(THREAD);
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   353
    // command line version setting
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diff changeset
   354
    int version = 0;
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diff changeset
   355
    const int base_version = 8; // JDK8
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   356
    int cur_ver = JDK_Version::current().major_version();
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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diff changeset
   357
    if (verstr != NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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diff changeset
   358
      version = atoi(verstr);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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diff changeset
   359
      if (version < base_version || version > cur_ver) {
43490
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   360
        // If the specified version is lower than the base version, the base
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   361
        // entry will be used; if the version is higher than the current
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   362
        // jdk version, the highest versioned entry will be used.
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   363
        if (version < base_version) {
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   364
          is_multi_ver = false;
3c43be5db478 8173163: searching for a versioned entry in a multi-release jar in hotspot is inconsistent with java code
ccheung
parents: 42876
diff changeset
   365
        }
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   366
        // print out warning, do not use assertion here since it will continue to look
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   367
        // for proper version.
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   368
        warning("JDK%d is not supported in multiple version jars", version);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   369
      }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   370
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   371
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   372
    if (is_multi_ver) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   373
      int n;
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   374
      const char* version_entry = "META-INF/versions/";
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   375
      // 10 is the max length of a decimal 32-bit non-negative number
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   376
      // 2 includes the '/' and trailing zero
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   377
      size_t entry_name_len = strlen(version_entry) + 10 + strlen(name) + 2;
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   378
      char* entry_name = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, entry_name_len);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   379
      if (version > 0) {
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   380
        n = jio_snprintf(entry_name, entry_name_len, "%s%d/%s", version_entry, version, name);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   381
        entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   382
        buffer = open_entry((const char*)entry_name, filesize, false, CHECK_NULL);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   383
        if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   384
          warning("Could not find %s in %s, try to find highest version instead", entry_name, _zip_name);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   385
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   386
      }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   387
      if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   388
        for (int i = cur_ver; i >= base_version; i--) {
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   389
          n = jio_snprintf(entry_name, entry_name_len, "%s%d/%s", version_entry, i, name);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   390
          entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   391
          buffer = open_entry((const char*)entry_name, filesize, false, CHECK_NULL);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   392
          if (buffer != NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   393
            break;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   394
          }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   395
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   396
      }
48016
df39ee817323 8188122: Path length limits on Windows leads to obscure class loading failures
ccheung
parents: 48011
diff changeset
   397
      FREE_RESOURCE_ARRAY(char, entry_name, entry_name_len);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   398
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   399
  }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   400
  return buffer;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   401
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   402
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   403
bool ClassPathZipEntry::is_multiple_versioned(TRAPS) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   404
  assert(DumpSharedSpaces, "called only at dump time");
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   405
  if (_multi_versioned != _unknown) {
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   406
    return (_multi_versioned == _yes) ? true : false;
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   407
  }
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   408
  jint size;
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   409
  char* buffer = (char*)open_entry("META-INF/MANIFEST.MF", &size, true, CHECK_false);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   410
  if (buffer != NULL) {
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   411
    char* p = buffer;
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   412
    for ( ; *p; ++p) *p = tolower(*p);
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   413
    if (strstr(buffer, "multi-release: true") != NULL) {
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   414
      _multi_versioned = _yes;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   415
      return true;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   416
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   417
  }
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   418
  _multi_versioned = _no;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   419
  return false;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   420
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   421
#endif // INCLUDE_CDS
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   422
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   423
ClassFileStream* ClassPathZipEntry::open_stream(const char* name, TRAPS) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   424
  jint filesize;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   425
  u1* buffer = open_versioned_entry(name, &filesize, CHECK_NULL);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   426
  if (buffer == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   427
    buffer = open_entry(name, &filesize, false, CHECK_NULL);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   428
    if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   429
      return NULL;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   430
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   431
  }
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   432
  if (UsePerfData) {
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   433
    ClassLoader::perf_sys_classfile_bytes_read()->inc(filesize);
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   434
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   435
  // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   436
  return new ClassFileStream(buffer,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   437
                             filesize,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   438
                             _zip_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   439
                             ClassFileStream::verify);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
// invoke function for each entry in the zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
void ClassPathZipEntry::contents_do(void f(const char* name, void* context), void* context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
  HandleMark  handle_mark(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
  ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
    jzentry * ze = ((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    (*f)(ze->name, context);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   454
ClassPathImageEntry::ClassPathImageEntry(JImageFile* jimage, const char* name) :
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   455
  ClassPathEntry(),
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   456
  _jimage(jimage) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   457
  guarantee(jimage != NULL, "jimage file is null");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   458
  guarantee(name != NULL, "jimage file name is null");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   459
  size_t len = strlen(name) + 1;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   460
  _name = NEW_C_HEAP_ARRAY(const char, len, mtClass);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   461
  strncpy((char *)_name, name, len);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   462
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   463
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   464
ClassPathImageEntry::~ClassPathImageEntry() {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   465
  if (_name != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   466
    FREE_C_HEAP_ARRAY(const char, _name);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   467
    _name = NULL;
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   468
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   469
  if (_jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   470
    (*JImageClose)(_jimage);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   471
    _jimage = NULL;
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   472
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   473
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   474
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   475
// For a class in a named module, look it up in the jimage file using this syntax:
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   476
//    /<module-name>/<package-name>/<base-class>
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   477
//
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   478
// Assumptions:
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   479
//     1. There are no unnamed modules in the jimage file.
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   480
//     2. A package is in at most one module in the jimage file.
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   481
//
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   482
ClassFileStream* ClassPathImageEntry::open_stream(const char* name, TRAPS) {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   483
  jlong size;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   484
  JImageLocationRef location = (*JImageFindResource)(_jimage, "", get_jimage_version_string(), name, &size);
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   485
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   486
  if (location == 0) {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   487
    ResourceMark rm;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   488
    const char* pkg_name = ClassLoader::package_from_name(name);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   489
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   490
    if (pkg_name != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   491
      if (!Universe::is_module_initialized()) {
42636
aafc434ba580 8169734: Update uses of string "java.base" to macro
rprotacio
parents: 42634
diff changeset
   492
        location = (*JImageFindResource)(_jimage, JAVA_BASE_NAME, get_jimage_version_string(), name, &size);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   493
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   494
        // CDS uses the boot class loader to load classes whose packages are in
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   495
        // modules defined for other class loaders.  So, for now, get their module
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   496
        // names from the "modules" jimage file.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   497
        if (DumpSharedSpaces && location == 0) {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   498
          const char* module_name = (*JImagePackageToModule)(_jimage, pkg_name);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   499
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   500
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   501
          }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   502
        }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   503
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   504
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   505
      } else {
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   506
        PackageEntry* package_entry = ClassLoader::get_package_entry(name, ClassLoaderData::the_null_class_loader_data(), CHECK_NULL);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   507
        if (package_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   508
          ResourceMark rm;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   509
          // Get the module name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   510
          ModuleEntry* module = package_entry->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   511
          assert(module != NULL, "Boot classLoader package missing module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   512
          assert(module->is_named(), "Boot classLoader package is in unnamed module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   513
          const char* module_name = module->name()->as_C_string();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   514
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   515
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   516
          }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   517
        }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   518
      }
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   519
    }
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   520
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   521
  if (location != 0) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   522
    if (UsePerfData) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   523
      ClassLoader::perf_sys_classfile_bytes_read()->inc(size);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   524
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   525
    char* data = NEW_RESOURCE_ARRAY(char, size);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   526
    (*JImageGetResource)(_jimage, location, data, size);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   527
    // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   528
    return new ClassFileStream((u1*)data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   529
                               (int)size,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   530
                               _name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   531
                               ClassFileStream::verify);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   532
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   533
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   534
  return NULL;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   535
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   536
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   537
JImageLocationRef ClassLoader::jimage_find_resource(JImageFile* jf,
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   538
                                                    const char* module_name,
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   539
                                                    const char* file_name,
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   540
                                                    jlong &size) {
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   541
  return ((*JImageFindResource)(jf, module_name, get_jimage_version_string(), file_name, &size));
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   542
}
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
   543
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   544
#ifndef PRODUCT
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   545
bool ctw_visitor(JImageFile* jimage,
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   546
        const char* module_name, const char* version, const char* package,
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   547
        const char* name, const char* extension, void* arg) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   548
  if (strcmp(extension, "class") == 0) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   549
    Thread* THREAD = Thread::current();
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   550
    ResourceMark rm(THREAD);
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   551
    char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, JIMAGE_MAX_PATH);
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   552
    jio_snprintf(path, JIMAGE_MAX_PATH - 1, "%s/%s.class", package, name);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   553
    ClassLoader::compile_the_world_in(path, *(Handle*)arg, THREAD);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   554
    return !HAS_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   555
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   556
  return true;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   557
}
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   558
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   559
void ClassPathImageEntry::compile_the_world(Handle loader, TRAPS) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   560
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", name());
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   561
  tty->cr();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   562
  (*JImageResourceIterator)(_jimage, (JImageResourceVisitor_t)ctw_visitor, (void *)&loader);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   563
  if (HAS_PENDING_EXCEPTION) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   564
    if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   565
      CLEAR_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   566
      tty->print_cr("\nCompileTheWorld : Ran out of memory\n");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   567
      tty->print_cr("Increase class metadata storage if a limit was set");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   568
    } else {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   569
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   570
    }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   571
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   572
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   573
#endif
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   574
47673
6126617b8508 8185160: -XX:DumpLoadedClassList omits graal classes
iklam
parents: 47564
diff changeset
   575
bool ClassPathImageEntry::is_modules_image() const {
6126617b8508 8185160: -XX:DumpLoadedClassList omits graal classes
iklam
parents: 47564
diff changeset
   576
  return ClassLoader::is_modules_image(name());
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   577
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   578
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   579
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   580
void ClassLoader::exit_with_path_failure(const char* error, const char* message) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   581
  assert(DumpSharedSpaces, "only called at dump time");
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   582
  tty->print_cr("Hint: enable -Xlog:class+path=info to diagnose the failure");
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   583
  vm_exit_during_initialization(error, message);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   584
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   585
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   587
ModuleClassPathList::ModuleClassPathList(Symbol* module_name) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   588
  _module_name = module_name;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   589
  _module_first_entry = NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   590
  _module_last_entry = NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   591
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   592
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   593
ModuleClassPathList::~ModuleClassPathList() {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   594
  // Clean out each ClassPathEntry on list
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   595
  ClassPathEntry* e = _module_first_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   596
  while (e != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   597
    ClassPathEntry* next_entry = e->next();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   598
    delete e;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   599
    e = next_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   600
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   601
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   602
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   603
void ModuleClassPathList::add_to_list(ClassPathEntry* new_entry) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   604
  if (new_entry != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   605
    if (_module_last_entry == NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   606
      _module_first_entry = _module_last_entry = new_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   607
    } else {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   608
      _module_last_entry->set_next(new_entry);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   609
      _module_last_entry = new_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   610
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   611
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   612
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   613
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   614
void ClassLoader::trace_class_path(const char* msg, const char* name) {
46701
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   615
  LogTarget(Info, class, path) lt;
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   616
  if (lt.is_enabled()) {
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   617
    LogStream ls(lt);
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   618
    if (msg) {
46701
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   619
      ls.print("%s", msg);
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   620
    }
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   621
    if (name) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   622
      if (strlen(name) < 256) {
46701
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   623
        ls.print("%s", name);
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   624
      } else {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   625
        // For very long paths, we need to print each character separately,
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   626
        // as print_cr() has a length limit
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   627
        while (name[0] != '\0') {
46701
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   628
          ls.print("%c", name[0]);
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   629
          name++;
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   630
        }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   631
      }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   632
    }
46701
f559541c0daa 8181917: Refactor UL LogStreams to avoid using resource area
stuefe
parents: 46560
diff changeset
   633
    ls.cr();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   634
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   635
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   636
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
void ClassLoader::setup_bootstrap_search_path() {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   638
  const char* sys_class_path = Arguments::get_sysclasspath();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   639
  if (PrintSharedArchiveAndExit) {
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   640
    // Don't print sys_class_path - this is the bootcp of this current VM process, not necessarily
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   641
    // the same as the bootcp of the shared archive.
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   642
  } else {
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   643
    trace_class_path("bootstrap loader class path=", sys_class_path);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   644
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   645
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   646
  if (DumpSharedSpaces) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   647
    _shared_paths_misc_info->add_boot_classpath(sys_class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
  }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   649
#endif
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   650
  setup_boot_search_path(sys_class_path);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   651
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   653
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   654
int ClassLoader::get_shared_paths_misc_info_size() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   655
  return _shared_paths_misc_info->get_used_bytes();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   656
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   657
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   658
void* ClassLoader::get_shared_paths_misc_info() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   659
  return _shared_paths_misc_info->buffer();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   660
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   661
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   662
bool ClassLoader::check_shared_paths_misc_info(void *buf, int size) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   663
  SharedPathsMiscInfo* checker = SharedClassUtil::allocate_shared_paths_misc_info((char*)buf, size);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   664
  bool result = checker->check();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   665
  delete checker;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   666
  return result;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   667
}
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   668
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   669
void ClassLoader::setup_app_search_path(const char *class_path) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   670
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   671
  assert(DumpSharedSpaces, "Sanity");
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   672
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   673
  Thread* THREAD = Thread::current();
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   674
  int len = (int)strlen(class_path);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   675
  int end = 0;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   676
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   677
  // Iterate over class path entries
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   678
  for (int start = 0; start < len; start = end) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   679
    while (class_path[end] && class_path[end] != os::path_separator()[0]) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   680
      end++;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   681
    }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   682
    EXCEPTION_MARK;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   683
    ResourceMark rm(THREAD);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   684
    char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   685
    strncpy(path, &class_path[start], end - start);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   686
    path[end - start] = '\0';
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   687
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   688
    update_class_path_entry_list(path, false, false);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   689
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   690
    while (class_path[end] == os::path_separator()[0]) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   691
      end++;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   692
    }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   693
  }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   694
}
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   695
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   696
void ClassLoader::add_to_module_path_entries(const char* path,
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   697
                                             ClassPathEntry* entry) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   698
  assert(entry != NULL, "ClassPathEntry should not be NULL");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   699
  assert(DumpSharedSpaces, "dump time only");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   700
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   701
  // The entry does not exist, add to the list
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   702
  if (_module_path_entries == NULL) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   703
    assert(_last_module_path_entry == NULL, "Sanity");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   704
    _module_path_entries = _last_module_path_entry = entry;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   705
  } else {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   706
    _last_module_path_entry->set_next(entry);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   707
    _last_module_path_entry = entry;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   708
  }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   709
}
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   710
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   711
// Add a module path to the _module_path_entries list.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   712
void ClassLoader::update_module_path_entry_list(const char *path, TRAPS) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   713
  assert(DumpSharedSpaces, "dump time only");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   714
  struct stat st;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   715
  int ret = os::stat(path, &st);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   716
  assert(ret == 0, "module path must exist");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   717
  // File or directory found
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   718
  ClassPathEntry* new_entry = NULL;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   719
  new_entry = create_class_path_entry(path, &st, true /* throw_exception */,
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   720
                                      false /*is_boot_append */, CHECK);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   721
  if (new_entry == NULL) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   722
    return;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   723
  }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   724
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   725
  add_to_module_path_entries(path, new_entry);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   726
  return;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   727
}
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   728
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   729
void ClassLoader::setup_module_search_path(const char* path, TRAPS) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   730
  update_module_path_entry_list(path, THREAD);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   731
}
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
   732
#endif // INCLUDE_CDS
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   733
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   734
// Construct the array of module/path pairs as specified to --patch-module
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   735
// for the boot loader to search ahead of the jimage, if the class being
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   736
// loaded is defined to a module that has been specified to --patch-module.
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   737
void ClassLoader::setup_patch_mod_entries() {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   738
  Thread* THREAD = Thread::current();
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   739
  GrowableArray<ModulePatchPath*>* patch_mod_args = Arguments::get_patch_mod_prefix();
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   740
  int num_of_entries = patch_mod_args->length();
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   741
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   742
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   743
  // Set up the boot loader's _patch_mod_entries list
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   744
  _patch_mod_entries = new (ResourceObj::C_HEAP, mtModule) GrowableArray<ModuleClassPathList*>(num_of_entries, true);
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   745
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   746
  for (int i = 0; i < num_of_entries; i++) {
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   747
    const char* module_name = (patch_mod_args->at(i))->module_name();
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   748
    Symbol* const module_sym = SymbolTable::lookup(module_name, (int)strlen(module_name), CHECK);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   749
    assert(module_sym != NULL, "Failed to obtain Symbol for module name");
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   750
    ModuleClassPathList* module_cpl = new ModuleClassPathList(module_sym);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   751
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   752
    char* class_path = (patch_mod_args->at(i))->path_string();
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   753
    int len = (int)strlen(class_path);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   754
    int end = 0;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   755
    // Iterate over the module's class path entries
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   756
    for (int start = 0; start < len; start = end) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   757
      while (class_path[end] && class_path[end] != os::path_separator()[0]) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   758
        end++;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   759
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   760
      EXCEPTION_MARK;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   761
      ResourceMark rm(THREAD);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   762
      char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   763
      strncpy(path, &class_path[start], end - start);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   764
      path[end - start] = '\0';
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   765
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   766
      struct stat st;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   767
      if (os::stat(path, &st) == 0) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   768
        // File or directory found
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   769
        ClassPathEntry* new_entry = create_class_path_entry(path, &st, false, false, CHECK);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   770
        // If the path specification is valid, enter it into this module's list
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   771
        if (new_entry != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   772
          module_cpl->add_to_list(new_entry);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   773
        }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   774
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   775
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   776
      while (class_path[end] == os::path_separator()[0]) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   777
        end++;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   778
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   779
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   780
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   781
    // Record the module into the list of --patch-module entries only if
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   782
    // valid ClassPathEntrys have been created
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   783
    if (module_cpl->module_first_entry() != NULL) {
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
   784
      _patch_mod_entries->push(module_cpl);
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   785
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   786
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   787
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   788
42634
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   789
// Determine whether the module has been patched via the command-line
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   790
// option --patch-module
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   791
bool ClassLoader::is_in_patch_mod_entries(Symbol* module_name) {
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   792
  if (_patch_mod_entries != NULL && _patch_mod_entries->is_nonempty()) {
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   793
    int table_len = _patch_mod_entries->length();
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   794
    for (int i = 0; i < table_len; i++) {
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   795
      ModuleClassPathList* patch_mod = _patch_mod_entries->at(i);
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   796
      if (module_name->fast_compare(patch_mod->module_name()) == 0) {
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   797
        return true;
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   798
      }
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   799
    }
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   800
  }
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   801
  return false;
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   802
}
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
   803
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   804
// Set up the _jrt_entry if present and boot append path
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   805
void ClassLoader::setup_boot_search_path(const char *class_path) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   806
  int len = (int)strlen(class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
  int end = 0;
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   808
  bool set_base_piece = true;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
48470
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   810
#if INCLUDE_CDS
48473
9a5bcee1a706 8193897: JDK-8191374 caused windows_i586 build to fail
iklam
parents: 48470
diff changeset
   811
  if (DumpSharedSpaces) {
48470
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   812
    if (!Arguments::has_jimage()) {
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   813
      vm_exit_during_initialization("CDS is not supported in exploded JDK build", NULL);
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   814
    }
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   815
  }
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   816
#endif
1d24b76cf639 8191374: Improve error message when CDS is not supported on exploded build
iklam
parents: 48016
diff changeset
   817
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
  // Iterate over class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
  for (int start = 0; start < len; start = end) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   820
    while (class_path[end] && class_path[end] != os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   823
    EXCEPTION_MARK;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   824
    ResourceMark rm(THREAD);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   825
    char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   826
    strncpy(path, &class_path[start], end - start);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   827
    path[end - start] = '\0';
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   828
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   829
    if (set_base_piece) {
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   830
      // The first time through the bootstrap_search setup, it must be determined
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   831
      // what the base or core piece of the boot loader search is.  Either a java runtime
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   832
      // image is present or this is an exploded module build situation.
42636
aafc434ba580 8169734: Update uses of string "java.base" to macro
rprotacio
parents: 42634
diff changeset
   833
      assert(string_ends_with(path, MODULES_IMAGE_NAME) || string_ends_with(path, JAVA_BASE_NAME),
aafc434ba580 8169734: Update uses of string "java.base" to macro
rprotacio
parents: 42634
diff changeset
   834
             "Incorrect boot loader search path, no java runtime image or " JAVA_BASE_NAME " exploded build");
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   835
      struct stat st;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   836
      if (os::stat(path, &st) == 0) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   837
        // Directory found
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   838
        ClassPathEntry* new_entry = create_class_path_entry(path, &st, false, false, CHECK);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   839
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   840
        // Check for a jimage
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   841
        if (Arguments::has_jimage()) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   842
          assert(_jrt_entry == NULL, "should not setup bootstrap class search path twice");
47673
6126617b8508 8185160: -XX:DumpLoadedClassList omits graal classes
iklam
parents: 47564
diff changeset
   843
          assert(new_entry != NULL && new_entry->is_modules_image(), "No java runtime image present");
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   844
          _jrt_entry = new_entry;
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   845
          assert(_jrt_entry->jimage() != NULL, "No java runtime image");
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   846
        }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   847
      } else {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   848
        // If path does not exist, exit
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   849
        vm_exit_during_initialization("Unable to establish the boot loader search path", path);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   850
      }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   851
      set_base_piece = false;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   852
    } else {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   853
      // Every entry on the system boot class path after the initial base piece,
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   854
      // which is set by os::set_boot_path(), is considered an appended entry.
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
   855
      update_class_path_entry_list(path, false, true);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   856
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   857
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   858
    while (class_path[end] == os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   864
// During an exploded modules build, each module defined to the boot loader
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   865
// will be added to the ClassLoader::_exploded_entries array.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   866
void ClassLoader::add_to_exploded_build_list(Symbol* module_sym, TRAPS) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   867
  assert(!ClassLoader::has_jrt_entry(), "Exploded build not applicable");
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
   868
  assert(_exploded_entries != NULL, "_exploded_entries was not initialized");
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   869
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   870
  // Find the module's symbol
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   871
  ResourceMark rm(THREAD);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   872
  const char *module_name = module_sym->as_C_string();
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   873
  const char *home = Arguments::get_java_home();
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   874
  const char file_sep = os::file_separator()[0];
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   875
  // 10 represents the length of "modules" + 2 file separators + \0
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   876
  size_t len = strlen(home) + strlen(module_name) + 10;
49747
376792a6e9da 8201265: Native memory leak in ClassLoader::add_to_exploded_build_list
hseigel
parents: 49739
diff changeset
   877
  char *path = NEW_RESOURCE_ARRAY(char, len);
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   878
  jio_snprintf(path, len, "%s%cmodules%c%s", home, file_sep, file_sep, module_name);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   879
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   880
  struct stat st;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   881
  if (os::stat(path, &st) == 0) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   882
    // Directory found
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   883
    ClassPathEntry* new_entry = create_class_path_entry(path, &st, false, false, CHECK);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   884
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   885
    // If the path specification is valid, enter it into this module's list.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   886
    // There is no need to check for duplicate modules in the exploded entry list,
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   887
    // since no two modules with the same name can be defined to the boot loader.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   888
    // This is checked at module definition time in Modules::define_module.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   889
    if (new_entry != NULL) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   890
      ModuleClassPathList* module_cpl = new ModuleClassPathList(module_sym);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   891
      module_cpl->add_to_list(new_entry);
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
   892
      {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
   893
        MutexLocker ml(Module_lock, THREAD);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
   894
        _exploded_entries->push(module_cpl);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
   895
      }
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   896
      log_info(class, load)("path: %s", path);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   897
    }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   898
  }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   899
}
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   900
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   901
ClassPathEntry* ClassLoader::create_class_path_entry(const char *path, const struct stat* st,
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   902
                                                     bool throw_exception,
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   903
                                                     bool is_boot_append, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  JavaThread* thread = JavaThread::current();
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   905
  ClassPathEntry* new_entry = NULL;
41281
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
   906
  if ((st->st_mode & S_IFMT) == S_IFREG) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   907
    ResourceMark rm(thread);
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   908
    // Regular file, should be a zip or jimage file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
    // Canonicalized filename
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   910
    char* canonical_path = NEW_RESOURCE_ARRAY_IN_THREAD(thread, char, JVM_MAXPATHLEN);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
    if (!get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
      // This matches the classic VM
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   913
      if (throw_exception) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   914
        THROW_MSG_(vmSymbols::java_io_IOException(), "Bad pathname", NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   915
      } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   916
        return NULL;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   917
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   919
    jint error;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   920
    JImageFile* jimage =(*JImageOpen)(canonical_path, &error);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   921
    if (jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   922
      new_entry = new ClassPathImageEntry(jimage, canonical_path);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   923
    } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   924
      char* error_msg = NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   925
      jzfile* zip;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   926
      {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   927
        // enable call to C land
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   928
        ThreadToNativeFromVM ttn(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   929
        HandleMark hm(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   930
        zip = (*ZipOpen)(canonical_path, &error_msg);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   931
      }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   932
      if (zip != NULL && error_msg == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   933
        new_entry = new ClassPathZipEntry(zip, path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
      } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   935
        char *msg;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   936
        if (error_msg == NULL) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   937
          msg = NEW_RESOURCE_ARRAY_IN_THREAD(thread, char, strlen(path) + 128); ;
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   938
          jio_snprintf(msg, strlen(path) + 127, "error in opening JAR file %s", path);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   939
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   940
          int len = (int)(strlen(path) + strlen(error_msg) + 128);
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   941
          msg = NEW_RESOURCE_ARRAY_IN_THREAD(thread, char, len); ;
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   942
          jio_snprintf(msg, len - 1, "error in opening JAR file <%s> %s", error_msg, path);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   943
        }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   944
        // Don't complain about bad jar files added via -Xbootclasspath/a:.
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   945
        if (throw_exception && is_init_completed()) {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   946
          THROW_MSG_(vmSymbols::java_lang_ClassNotFoundException(), msg, NULL);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   947
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   948
          return NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   949
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
      }
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   951
    }
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   952
    log_info(class, path)("opened: %s", path);
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   953
    log_info(class, load)("opened: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
    // Directory
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   956
    new_entry = new ClassPathDirEntry(path);
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   957
    log_info(class, load)("path: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   959
  return new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
// Create a class path zip entry for a given path (return NULL if not found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
// or zip/JAR file cannot be opened)
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   965
ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path, bool is_boot_append) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
  // check for a regular file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
  struct stat st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  if (os::stat(path, &st) == 0) {
41281
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
   969
    if ((st.st_mode & S_IFMT) == S_IFREG) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
      char canonical_path[JVM_MAXPATHLEN];
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   971
      if (get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
        char* error_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
        jzfile* zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
          // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
          JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
          ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
          HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
          zip = (*ZipOpen)(canonical_path, &error_msg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
        if (zip != NULL && error_msg == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
          // create using canonical path
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   983
          return new ClassPathZipEntry(zip, canonical_path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
// returns true if entry already on class path
41741
2f5b8bbcb18c 8166931: Do not include classes which are unusable during run time in the classlist file
ccheung
parents: 41715
diff changeset
   992
bool ClassLoader::contains_append_entry(const char* name) {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
   993
  ClassPathEntry* e = _first_append_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
    // assume zip entries have been canonicalized
41741
2f5b8bbcb18c 8166931: Do not include classes which are unusable during run time in the classlist file
ccheung
parents: 41715
diff changeset
   996
    if (strcmp(name, e->name()) == 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1004
void ClassLoader::add_to_boot_append_entries(ClassPathEntry *new_entry) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
  if (new_entry != NULL) {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1006
    if (_last_append_entry == NULL) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1007
      assert(_first_append_entry == NULL, "boot loader's append class path entry list not empty");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1008
      _first_append_entry = _last_append_entry = new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
    } else {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1010
      _last_append_entry->set_next(new_entry);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1011
      _last_append_entry = new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1014
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1015
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1016
// Record the path entries specified in -cp during dump time. The recorded
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1017
// information will be used at runtime for loading the archived app classes.
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1018
//
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1019
// Note that at dump time, ClassLoader::_app_classpath_entries are NOT used for
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1020
// loading app classes. Instead, the app class are loaded by the
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1021
// jdk/internal/loader/ClassLoaders$AppClassLoader instance.
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1022
void ClassLoader::add_to_app_classpath_entries(const char* path,
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1023
                                               ClassPathEntry* entry,
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1024
                                               bool check_for_duplicates) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1025
#if INCLUDE_CDS
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1026
  assert(entry != NULL, "ClassPathEntry should not be NULL");
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1027
  ClassPathEntry* e = _app_classpath_entries;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1028
  if (check_for_duplicates) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1029
    while (e != NULL) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1030
      if (strcmp(e->name(), entry->name()) == 0) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1031
        // entry already exists
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1032
        return;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1033
      }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1034
      e = e->next();
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1035
    }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1036
  }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1037
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1038
  // The entry does not exist, add to the list
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1039
  if (_app_classpath_entries == NULL) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1040
    assert(_last_app_classpath_entry == NULL, "Sanity");
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1041
    _app_classpath_entries = _last_app_classpath_entry = entry;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1042
  } else {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1043
    _last_app_classpath_entry->set_next(entry);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1044
    _last_app_classpath_entry = entry;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1045
  }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1046
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1047
  if (entry->is_jar_file()) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1048
    ClassLoaderExt::process_jar_manifest(entry, check_for_duplicates);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1049
  }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1050
#endif
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1051
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1052
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1053
// Returns true IFF the file/dir exists and the entry was successfully created.
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1054
bool ClassLoader::update_class_path_entry_list(const char *path,
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1055
                                               bool check_for_duplicates,
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
  1056
                                               bool is_boot_append,
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1057
                                               bool throw_exception) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
  struct stat st;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1059
  if (os::stat(path, &st) == 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
    // File or directory found
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
    ClassPathEntry* new_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1062
    Thread* THREAD = Thread::current();
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
  1063
    new_entry = create_class_path_entry(path, &st, throw_exception, is_boot_append, CHECK_(false));
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1064
    if (new_entry == NULL) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1065
      return false;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1066
    }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1067
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1068
    // Do not reorder the bootclasspath which would break get_system_package().
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
    // Add new entry to linked list
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1070
    if (is_boot_append) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1071
      add_to_boot_append_entries(new_entry);
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1072
    } else {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1073
      add_to_app_classpath_entries(path, new_entry, check_for_duplicates);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1075
    return true;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1076
  } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1077
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1078
    if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1079
      _shared_paths_misc_info->add_nonexist_path(path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1080
    }
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1081
#endif
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1082
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1086
static void print_module_entry_table(const GrowableArray<ModuleClassPathList*>* const module_list) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1087
  ResourceMark rm;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1088
  int num_of_entries = module_list->length();
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1089
  for (int i = 0; i < num_of_entries; i++) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1090
    ClassPathEntry* e;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1091
    ModuleClassPathList* mpl = module_list->at(i);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1092
    tty->print("%s=", mpl->module_name()->as_C_string());
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1093
    e = mpl->module_first_entry();
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1094
    while (e != NULL) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1095
      tty->print("%s", e->name());
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1096
      e = e->next();
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1097
      if (e != NULL) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1098
        tty->print("%s", os::path_separator());
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1099
      }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1100
    }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1101
    tty->print(" ;");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1102
  }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1103
}
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1104
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
void ClassLoader::print_bootclasspath() {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1106
  ClassPathEntry* e;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
  tty->print("[bootclasspath= ");
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1108
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1109
  // Print --patch-module module/path specifications first
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1110
  if (_patch_mod_entries != NULL) {
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1111
    print_module_entry_table(_patch_mod_entries);
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1112
  }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1113
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1114
  // [jimage | exploded modules build]
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1115
  if (has_jrt_entry()) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1116
    // Print the location of the java runtime image
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1117
    tty->print("%s ;", _jrt_entry->name());
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1118
  } else {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1119
    // Print exploded module build path specifications
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1120
    if (_exploded_entries != NULL) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1121
      print_module_entry_table(_exploded_entries);
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1122
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1123
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1124
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1125
  // appended entries
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1126
  e = _first_append_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
    tty->print("%s ;", e->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
  tty->print_cr("]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
void ClassLoader::load_zip_library() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
  assert(ZipOpen == NULL, "should not load zip library twice");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
  // First make sure native library is loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
  os::native_java_library();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
  // Load zip library
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
  char path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
  char ebuf[1024];
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1141
  void* handle = NULL;
47089
27050b653624 8186072: dll_build_name returns true even if file is missing.
goetz
parents: 46727
diff changeset
  1142
  if (os::dll_locate_lib(path, sizeof(path), Arguments::get_dll_dir(), "zip")) {
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1143
    handle = os::dll_load(path, ebuf, sizeof ebuf);
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1144
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
  if (handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
    vm_exit_during_initialization("Unable to load ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
  // Lookup zip entry points
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1149
  ZipOpen      = CAST_TO_FN_PTR(ZipOpen_t, os::dll_lookup(handle, "ZIP_Open"));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1150
  ZipClose     = CAST_TO_FN_PTR(ZipClose_t, os::dll_lookup(handle, "ZIP_Close"));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1151
  FindEntry    = CAST_TO_FN_PTR(FindEntry_t, os::dll_lookup(handle, "ZIP_FindEntry"));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1152
  ReadEntry    = CAST_TO_FN_PTR(ReadEntry_t, os::dll_lookup(handle, "ZIP_ReadEntry"));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1153
  GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry"));
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1154
  ZipInflateFully = CAST_TO_FN_PTR(ZipInflateFully_t, os::dll_lookup(handle, "ZIP_InflateFully"));
27025
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1155
  Crc32        = CAST_TO_FN_PTR(Crc32_t, os::dll_lookup(handle, "ZIP_CRC32"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
  // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL
27025
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1158
  if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL ||
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1159
      GetNextEntry == NULL || Crc32 == NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
    vm_exit_during_initialization("Corrupted ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1163
  if (ZipInflateFully == NULL) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1164
    vm_exit_during_initialization("Corrupted ZIP library ZIP_InflateFully missing", path);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1165
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1166
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
  // Lookup canonicalize entry in libjava.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
  void *javalib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1169
  CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
  // This lookup only works on 1.3. Do not check for non-null here
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1173
void ClassLoader::load_jimage_library() {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1174
  // First make sure native library is loaded
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1175
  os::native_java_library();
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1176
  // Load jimage library
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1177
  char path[JVM_MAXPATHLEN];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1178
  char ebuf[1024];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1179
  void* handle = NULL;
47089
27050b653624 8186072: dll_build_name returns true even if file is missing.
goetz
parents: 46727
diff changeset
  1180
  if (os::dll_locate_lib(path, sizeof(path), Arguments::get_dll_dir(), "jimage")) {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1181
    handle = os::dll_load(path, ebuf, sizeof ebuf);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1182
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1183
  if (handle == NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1184
    vm_exit_during_initialization("Unable to load jimage library", path);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1185
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1186
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1187
  // Lookup jimage entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1188
  JImageOpen = CAST_TO_FN_PTR(JImageOpen_t, os::dll_lookup(handle, "JIMAGE_Open"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1189
  guarantee(JImageOpen != NULL, "function JIMAGE_Open not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1190
  JImageClose = CAST_TO_FN_PTR(JImageClose_t, os::dll_lookup(handle, "JIMAGE_Close"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1191
  guarantee(JImageClose != NULL, "function JIMAGE_Close not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1192
  JImagePackageToModule = CAST_TO_FN_PTR(JImagePackageToModule_t, os::dll_lookup(handle, "JIMAGE_PackageToModule"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1193
  guarantee(JImagePackageToModule != NULL, "function JIMAGE_PackageToModule not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1194
  JImageFindResource = CAST_TO_FN_PTR(JImageFindResource_t, os::dll_lookup(handle, "JIMAGE_FindResource"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1195
  guarantee(JImageFindResource != NULL, "function JIMAGE_FindResource not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1196
  JImageGetResource = CAST_TO_FN_PTR(JImageGetResource_t, os::dll_lookup(handle, "JIMAGE_GetResource"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1197
  guarantee(JImageGetResource != NULL, "function JIMAGE_GetResource not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1198
  JImageResourceIterator = CAST_TO_FN_PTR(JImageResourceIterator_t, os::dll_lookup(handle, "JIMAGE_ResourceIterator"));
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1199
  guarantee(JImageResourceIterator != NULL, "function JIMAGE_ResourceIterator not found");
37490
fd089d3f8cb3 8147634: Need a JImage API that given a JImageLocationRef returns class name
jlaskey
parents: 37418
diff changeset
  1200
  JImageResourcePath = CAST_TO_FN_PTR(JImage_ResourcePath_t, os::dll_lookup(handle, "JIMAGE_ResourcePath"));
fd089d3f8cb3 8147634: Need a JImage API that given a JImageLocationRef returns class name
jlaskey
parents: 37418
diff changeset
  1201
  guarantee(JImageResourcePath != NULL, "function JIMAGE_ResourcePath not found");
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1202
}
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1203
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1204
jboolean ClassLoader::decompress(void *in, u8 inSize, void *out, u8 outSize, char **pmsg) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1205
  return (*ZipInflateFully)(in, inSize, out, outSize, pmsg);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1206
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1207
27025
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1208
int ClassLoader::crc32(int crc, const char* buf, int len) {
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1209
  assert(Crc32 != NULL, "ZIP_CRC32 is not found");
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1210
  return (*Crc32)(crc, (const jbyte*)buf, len);
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1211
}
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1212
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1213
// Function add_package extracts the package from the fully qualified class name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1214
// and checks if the package is in the boot loader's package entry table.  If so,
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1215
// then it sets the classpath_index in the package entry record.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1216
//
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1217
// The classpath_index field is used to find the entry on the boot loader class
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1218
// path for packages with classes loaded by the boot loader from -Xbootclasspath/a
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1219
// in an unnamed module.  It is also used to indicate (for all packages whose
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1220
// classes are loaded by the boot loader) that at least one of the package's
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1221
// classes has been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1222
bool ClassLoader::add_package(const char *fullq_class_name, s2 classpath_index, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1223
  assert(fullq_class_name != NULL, "just checking");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1224
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1225
  // Get package name from fully qualified class name.
39216
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1226
  ResourceMark rm;
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1227
  const char *cp = package_from_name(fullq_class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1228
  if (cp != NULL) {
39216
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1229
    PackageEntryTable* pkg_entry_tbl = ClassLoaderData::the_null_class_loader_data()->packages();
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1230
    TempNewSymbol pkg_symbol = SymbolTable::new_symbol(cp, CHECK_false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1231
    PackageEntry* pkg_entry = pkg_entry_tbl->lookup_only(pkg_symbol);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1232
    if (pkg_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1233
      assert(classpath_index != -1, "Unexpected classpath_index");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1234
      pkg_entry->set_classpath_index(classpath_index);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1235
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1236
      return false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1237
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1238
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1239
  return true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1240
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1241
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1242
oop ClassLoader::get_system_package(const char* name, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1243
  // Look up the name in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1244
  if (name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1245
    TempNewSymbol package_sym = SymbolTable::new_symbol(name, (int)strlen(name), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1246
    // Look for the package entry in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1247
    PackageEntry* package =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1248
      ClassLoaderData::the_null_class_loader_data()->packages()->lookup_only(package_sym);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1249
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1250
    // Return NULL if package does not exist or if no classes in that package
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1251
    // have been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1252
    if (package != NULL && package->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1253
      ModuleEntry* module = package->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1254
      if (module->location() != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1255
        ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1256
        Handle ml = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1257
          module->location()->as_C_string(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1258
        return ml();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1259
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1260
      // Return entry on boot loader class path.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1261
      Handle cph = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1262
        ClassLoader::classpath_entry(package->classpath_index())->name(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1263
      return cph();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1264
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1269
objArrayOop ClassLoader::get_system_packages(TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1270
  ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1271
  // List of pointers to PackageEntrys that have loaded classes.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1272
  GrowableArray<PackageEntry*>* loaded_class_pkgs = new GrowableArray<PackageEntry*>(50);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
  {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1274
    MutexLocker ml(Module_lock, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1275
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1276
    PackageEntryTable* pe_table =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1277
      ClassLoaderData::the_null_class_loader_data()->packages();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1279
    // Collect the packages that have at least one loaded class.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1280
    for (int x = 0; x < pe_table->table_size(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1281
      for (PackageEntry* package_entry = pe_table->bucket(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1282
           package_entry != NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1283
           package_entry = package_entry->next()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1284
        if (package_entry->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1285
          loaded_class_pkgs->append(package_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1286
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1292
  // Allocate objArray and fill with java.lang.String
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1293
  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1294
                                           loaded_class_pkgs->length(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1295
  objArrayHandle result(THREAD, r);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1296
  for (int x = 0; x < loaded_class_pkgs->length(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1297
    PackageEntry* package_entry = loaded_class_pkgs->at(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1298
    Handle str = java_lang_String::create_from_symbol(package_entry->name(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1299
    result->obj_at_put(x, str());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1301
  return result();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1304
// caller needs ResourceMark
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1305
const char* ClassLoader::file_name_for_class_name(const char* class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1306
                                                  int class_name_len) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1307
  assert(class_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1308
  assert((int)strlen(class_name) == class_name_len, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1310
  static const char class_suffix[] = ".class";
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1311
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1312
  char* const file_name = NEW_RESOURCE_ARRAY(char,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1313
                                             class_name_len +
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1314
                                             sizeof(class_suffix)); // includes term NULL
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1315
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1316
  strncpy(file_name, class_name, class_name_len);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1317
  strncpy(&file_name[class_name_len], class_suffix, sizeof(class_suffix));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1318
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1319
  return file_name;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1320
}
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1321
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1322
ClassPathEntry* find_first_module_cpe(ModuleEntry* mod_entry,
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1323
                                      const GrowableArray<ModuleClassPathList*>* const module_list) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1324
  int num_of_entries = module_list->length();
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1325
  const Symbol* class_module_name = mod_entry->name();
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1326
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1327
  // Loop through all the modules in either the patch-module or exploded entries looking for module
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1328
  for (int i = 0; i < num_of_entries; i++) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1329
    ModuleClassPathList* module_cpl = module_list->at(i);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1330
    Symbol* module_cpl_name = module_cpl->module_name();
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1331
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1332
    if (module_cpl_name->fast_compare(class_module_name) == 0) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1333
      // Class' module has been located.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1334
      return module_cpl->module_first_entry();
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1335
    }
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1336
  }
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1337
  return NULL;
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1338
}
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1339
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1340
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1341
// Search either the patch-module or exploded build entries for class.
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1342
ClassFileStream* ClassLoader::search_module_entries(const GrowableArray<ModuleClassPathList*>* const module_list,
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1343
                                                    const char* const class_name,
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1344
                                                    const char* const file_name,
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1345
                                                    TRAPS) {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1346
  ClassFileStream* stream = NULL;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1347
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1348
  // Find the class' defining module in the boot loader's module entry table
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1349
  PackageEntry* pkg_entry = get_package_entry(class_name, ClassLoaderData::the_null_class_loader_data(), CHECK_NULL);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1350
  ModuleEntry* mod_entry = (pkg_entry != NULL) ? pkg_entry->module() : NULL;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1351
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1352
  // If the module system has not defined java.base yet, then
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1353
  // classes loaded are assumed to be defined to java.base.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1354
  // When java.base is eventually defined by the module system,
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1355
  // all packages of classes that have been previously loaded
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1356
  // are verified in ModuleEntryTable::verify_javabase_packages().
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1357
  if (!Universe::is_module_initialized() &&
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1358
      !ModuleEntryTable::javabase_defined() &&
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1359
      mod_entry == NULL) {
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40244
diff changeset
  1360
    mod_entry = ModuleEntryTable::javabase_moduleEntry();
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1361
  }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1362
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1363
  // The module must be a named module
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1364
  ClassPathEntry* e = NULL;
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1365
  if (mod_entry != NULL && mod_entry->is_named()) {
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1366
    if (module_list == _exploded_entries) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1367
      // The exploded build entries can be added to at any time so a lock is
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1368
      // needed when searching them.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1369
      assert(!ClassLoader::has_jrt_entry(), "Must be exploded build");
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1370
      MutexLocker ml(Module_lock, THREAD);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1371
      e = find_first_module_cpe(mod_entry, module_list);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1372
    } else {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1373
      e = find_first_module_cpe(mod_entry, module_list);
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1374
    }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1375
  }
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1376
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1377
  // Try to load the class from the module's ClassPathEntry list.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1378
  while (e != NULL) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1379
    stream = e->open_stream(file_name, CHECK_NULL);
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1380
    // No context.check is required since CDS is not supported
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1381
    // for an exploded modules build or if --patch-module is specified.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1382
    if (NULL != stream) {
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1383
      return stream;
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1384
    }
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1385
    e = e->next();
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1386
  }
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1387
  // If the module was located, break out even if the class was not
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1388
  // located successfully from that module's ClassPathEntry list.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1389
  // There will not be another valid entry for that module.
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1390
  return NULL;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1391
}
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1392
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1393
// Called by the boot classloader to load classes
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1394
InstanceKlass* ClassLoader::load_class(Symbol* name, bool search_append_only, TRAPS) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1395
  assert(name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1396
  assert(THREAD->is_Java_thread(), "must be a JavaThread");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1397
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1398
  ResourceMark rm(THREAD);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1399
  HandleMark hm(THREAD);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1400
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1401
  const char* const class_name = name->as_C_string();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1402
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1403
  EventMark m("loading class %s", class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1405
  const char* const file_name = file_name_for_class_name(class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1406
                                                         name->utf8_length());
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1407
  assert(file_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1408
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1409
  ClassLoaderExt::Context context(class_name, file_name, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1411
  // Lookup stream for parsing .class file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
  ClassFileStream* stream = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1413
  s2 classpath_index = 0;
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1414
  ClassPathEntry* e = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1415
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1416
  // If DumpSharedSpaces is true boot loader visibility boundaries are set to:
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1417
  //   - [jimage] + [_first_append_entry to _last_append_entry] (all path entries).
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1418
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1419
  // If search_append_only is true, boot loader visibility boundaries are
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1420
  // set to be _first_append_entry to the end. This includes:
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1421
  //   [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1422
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1423
  // If both DumpSharedSpaces and search_append_only are false, boot loader
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1424
  // visibility boundaries are set to be the --patch-module entries plus the base piece.
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1425
  // This would include:
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1426
  //   [--patch-module=<module>=<file>(<pathsep><file>)*]; [jimage | exploded module build]
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1427
  //
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1428
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1429
  // Load Attempt #1: --patch-module
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1430
  // Determine the class' defining module.  If it appears in the _patch_mod_entries,
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1431
  // attempt to load the class from those locations specific to the module.
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1432
  // Specifications to --patch-module can contain a partial number of classes
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1433
  // that are part of the overall module definition.  So if a particular class is not
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1434
  // found within its module specification, the search should continue to Load Attempt #2.
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1435
  // Note: The --patch-module entries are never searched if the boot loader's
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1436
  //       visibility boundary is limited to only searching the append entries.
41281
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
  1437
  if (_patch_mod_entries != NULL && !search_append_only) {
42876
ff8ff9dcccec 8168797: do not load any archived classes from a patched module
jiangli
parents: 42636
diff changeset
  1438
    // At CDS dump time, the --patch-module entries are ignored. That means a
ff8ff9dcccec 8168797: do not load any archived classes from a patched module
jiangli
parents: 42636
diff changeset
  1439
    // class is still loaded from the runtime image even if it might
ff8ff9dcccec 8168797: do not load any archived classes from a patched module
jiangli
parents: 42636
diff changeset
  1440
    // appear in the _patch_mod_entries. The runtime shared class visibility
ff8ff9dcccec 8168797: do not load any archived classes from a patched module
jiangli
parents: 42636
diff changeset
  1441
    // check will determine if a shared class is visible based on the runtime
ff8ff9dcccec 8168797: do not load any archived classes from a patched module
jiangli
parents: 42636
diff changeset
  1442
    // environemnt, including the runtime --patch-module setting.
41281
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
  1443
    if (!DumpSharedSpaces) {
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
  1444
      stream = search_module_entries(_patch_mod_entries, class_name, file_name, CHECK_NULL);
e1dc38ba642f 8164011: --patch-module support for CDS
ccheung
parents: 41183
diff changeset
  1445
    }
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1446
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1447
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1448
  // Load Attempt #2: [jimage | exploded build]
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1449
  if (!search_append_only && (NULL == stream)) {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1450
    if (has_jrt_entry()) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1451
      e = _jrt_entry;
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1452
      stream = _jrt_entry->open_stream(file_name, CHECK_NULL);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1453
    } else {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1454
      // Exploded build - attempt to locate class in its defining module's location.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1455
      assert(_exploded_entries != NULL, "No exploded build entries present");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1456
      stream = search_module_entries(_exploded_entries, class_name, file_name, CHECK_NULL);
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1457
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1458
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1459
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1460
  // Load Attempt #3: [-Xbootclasspath/a]; [jvmti appended entries]
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1461
  if ((search_append_only || DumpSharedSpaces) && (NULL == stream)) {
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1462
    // For the boot loader append path search, the starting classpath_index
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1463
    // for the appended piece is always 1 to account for either the
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1464
    // _jrt_entry or the _exploded_entries.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1465
    assert(classpath_index == 0, "The classpath_index has been incremented incorrectly");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1466
    classpath_index = 1;
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1467
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1468
    e = _first_append_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1469
    while (e != NULL) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1470
      stream = e->open_stream(file_name, CHECK_NULL);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1471
      if (NULL != stream) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1472
        break;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1473
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1474
      e = e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1475
      ++classpath_index;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1479
  if (NULL == stream) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1480
    return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1483
  stream->set_verify(context.should_verify(classpath_index));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1484
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1485
  ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1486
  Handle protection_domain;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1487
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1488
  InstanceKlass* result = KlassFactory::create_from_stream(stream,
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1489
                                                           name,
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1490
                                                           loader_data,
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1491
                                                           protection_domain,
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1492
                                                           NULL, // host_klass
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1493
                                                           NULL, // cp_patches
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  1494
                                                           THREAD);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1495
  if (HAS_PENDING_EXCEPTION) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1496
    if (DumpSharedSpaces) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1497
      tty->print_cr("Preload Error: Failed to load %s", class_name);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1498
    }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1499
    return NULL;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1500
  }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1501
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1502
  if (!add_package(file_name, classpath_index, THREAD)) {
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1503
    return NULL;
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1504
  }
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1505
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1506
  return result;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1509
#if INCLUDE_CDS
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1510
char* ClassLoader::skip_uri_protocol(char* source) {
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1511
  if (strncmp(source, "file:", 5) == 0) {
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1512
    // file: protocol path could start with file:/ or file:///
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1513
    // locate the char after all the forward slashes
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1514
    int offset = 5;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1515
    while (*(source + offset) == '/') {
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1516
        offset++;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1517
    }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1518
    source += offset;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1519
  // for non-windows platforms, move back one char as the path begins with a '/'
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1520
#ifndef _WINDOWS
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1521
    source -= 1;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1522
#endif
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1523
  } else if (strncmp(source, "jrt:/", 5) == 0) {
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1524
    source += 5;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1525
  }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1526
  return source;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1527
}
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1528
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1529
// Record the shared classpath index and loader type for classes loaded
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1530
// by the builtin loaders at dump time.
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1531
void ClassLoader::record_result(InstanceKlass* ik, const ClassFileStream* stream, TRAPS) {
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1532
  assert(DumpSharedSpaces, "sanity");
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1533
  assert(stream != NULL, "sanity");
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1534
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1535
  if (ik->is_anonymous()) {
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1536
    // We do not archive anonymous classes.
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1537
    return;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1538
  }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1539
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1540
  oop loader = ik->class_loader();
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1541
  char* src = (char*)stream->source();
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1542
  if (src == NULL) {
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1543
    if (loader == NULL) {
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1544
      // JFR classes
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1545
      ik->set_shared_classpath_index(0);
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1546
      ik->set_class_loader_type(ClassLoader::BOOT_LOADER);
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1547
    }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1548
    return;
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1549
  }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1550
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1551
  assert(has_jrt_entry(), "CDS dumping does not support exploded JDK build");
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1552
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1553
  ResourceMark rm(THREAD);
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1554
  int classpath_index = -1;
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1555
  PackageEntry* pkg_entry = ik->package();
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1556
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1557
  if (FileMapInfo::get_number_of_shared_paths() > 0) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1558
    char* canonical_path = NEW_RESOURCE_ARRAY(char, JVM_MAXPATHLEN);
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1559
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1560
    // save the path from the file: protocol or the module name from the jrt: protocol
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1561
    // if no protocol prefix is found, path is the same as stream->source()
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1562
    char* path = skip_uri_protocol(src);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1563
    for (int i = 0; i < FileMapInfo::get_number_of_shared_paths(); i++) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1564
      SharedClassPathEntry* ent = FileMapInfo::shared_path(i);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1565
      if (get_canonical_path(ent->name(), canonical_path, JVM_MAXPATHLEN)) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1566
        // If the path (from the class stream source) is the same as the shared
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1567
        // class or module path, then we have a match.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1568
        if (strcmp(canonical_path, os::native_path((char*)path)) == 0) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1569
          // NULL pkg_entry and pkg_entry in an unnamed module implies the class
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1570
          // is from the -cp or boot loader append path which consists of -Xbootclasspath/a
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1571
          // and jvmti appended entries.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1572
          if ((pkg_entry == NULL) || (pkg_entry->in_unnamed_module())) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1573
            // Ensure the index is within the -cp range before assigning
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1574
            // to the classpath_index.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1575
            if (SystemDictionary::is_system_class_loader(loader) &&
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1576
                (i >= ClassLoaderExt::app_class_paths_start_index()) &&
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1577
                (i < ClassLoaderExt::app_module_paths_start_index())) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1578
              classpath_index = i;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1579
              break;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1580
            } else {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1581
              if ((i >= 1) &&
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1582
                  (i < ClassLoaderExt::app_class_paths_start_index())) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1583
                // The class must be from boot loader append path which consists of
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1584
                // -Xbootclasspath/a and jvmti appended entries.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1585
                assert(loader == NULL, "sanity");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1586
                classpath_index = i;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1587
                break;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1588
              }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1589
            }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1590
          } else {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1591
            // A class from a named module from the --module-path. Ensure the index is
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1592
            // within the --module-path range before assigning to the classpath_index.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1593
            if ((pkg_entry != NULL) && !(pkg_entry->in_unnamed_module()) && (i > 0)) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1594
              if (i >= ClassLoaderExt::app_module_paths_start_index() &&
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1595
                  i < FileMapInfo::get_number_of_shared_paths()) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1596
                classpath_index = i;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1597
                break;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1598
              }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1599
            }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1600
          }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1601
        }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1602
        // for index 0 and the stream->source() is the modules image or has the jrt: protocol.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1603
        // The class must be from the runtime modules image.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1604
        if (i == 0 && (is_modules_image(src) || string_starts_with(src, "jrt:"))) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1605
          classpath_index = i;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1606
          break;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1607
        }
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1608
      }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1609
    }
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1610
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1611
    // No path entry found for this class. Must be a shared class loaded by the
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1612
    // user defined classloader.
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1613
    if (classpath_index < 0) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1614
      assert(ik->shared_classpath_index() < 0, "Sanity");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1615
      return;
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1616
    }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1617
  } else {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1618
    // The shared path table is set up after module system initialization.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1619
    // The path table contains no entry before that. Any classes loaded prior
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1620
    // to the setup of the shared path table must be from the modules image.
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1621
    assert(is_modules_image(src), "stream must be from modules image");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1622
    assert(FileMapInfo::get_number_of_shared_paths() == 0, "shared path table must not have been setup");
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1623
    classpath_index = 0;
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1624
  }
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1625
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1626
  const char* const class_name = ik->name()->as_C_string();
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1627
  const char* const file_name = file_name_for_class_name(class_name,
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1628
                                                         ik->name()->utf8_length());
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1629
  assert(file_name != NULL, "invariant");
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1630
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1631
  ClassLoaderExt::Context context(class_name, file_name, CATCH);
47991
a474466c4fdb 8187118: Remove appending -cp path to the boot class path at AppCDS dump time
jiangli
parents: 47765
diff changeset
  1632
  context.record_result(ik->name(), classpath_index, ik, THREAD);
47103
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1633
}
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1634
#endif // INCLUDE_CDS
a993ec29ec75 8186842: Use Java class loaders for creating the CDS archive
ccheung
parents: 47089
diff changeset
  1635
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
// Initialize the class loader's access to methods in libzip.  Parse and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
// process the boot classpath into a list ClassPathEntry objects.  Once
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
// this list has been created, it must not change order (see class PackageInfo)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
// it can be appended to and is by jvmti and the kernel vm.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1640
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
void ClassLoader::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1643
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
  if (UsePerfData) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
    // jvmstat performance counters
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
    NEWPERFTICKCOUNTER(_perf_accumulated_time, SUN_CLS, "time");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
    NEWPERFTICKCOUNTER(_perf_class_init_time, SUN_CLS, "classInitTime");
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1648
    NEWPERFTICKCOUNTER(_perf_class_init_selftime, SUN_CLS, "classInitTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
    NEWPERFTICKCOUNTER(_perf_class_verify_time, SUN_CLS, "classVerifyTime");
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1650
    NEWPERFTICKCOUNTER(_perf_class_verify_selftime, SUN_CLS, "classVerifyTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
    NEWPERFTICKCOUNTER(_perf_class_link_time, SUN_CLS, "classLinkedTime");
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1652
    NEWPERFTICKCOUNTER(_perf_class_link_selftime, SUN_CLS, "classLinkedTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
    NEWPERFEVENTCOUNTER(_perf_classes_inited, SUN_CLS, "initializedClasses");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
    NEWPERFEVENTCOUNTER(_perf_classes_linked, SUN_CLS, "linkedClasses");
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1655
    NEWPERFEVENTCOUNTER(_perf_classes_verified, SUN_CLS, "verifiedClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1656
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1657
    NEWPERFTICKCOUNTER(_perf_class_parse_time, SUN_CLS, "parseClassTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1658
    NEWPERFTICKCOUNTER(_perf_class_parse_selftime, SUN_CLS, "parseClassTime.self");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1659
    NEWPERFTICKCOUNTER(_perf_sys_class_lookup_time, SUN_CLS, "lookupSysClassTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1660
    NEWPERFTICKCOUNTER(_perf_shared_classload_time, SUN_CLS, "sharedClassLoadTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1661
    NEWPERFTICKCOUNTER(_perf_sys_classload_time, SUN_CLS, "sysClassLoadTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1662
    NEWPERFTICKCOUNTER(_perf_app_classload_time, SUN_CLS, "appClassLoadTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1663
    NEWPERFTICKCOUNTER(_perf_app_classload_selftime, SUN_CLS, "appClassLoadTime.self");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1664
    NEWPERFEVENTCOUNTER(_perf_app_classload_count, SUN_CLS, "appClassLoadCount");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1665
    NEWPERFTICKCOUNTER(_perf_define_appclasses, SUN_CLS, "defineAppClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1666
    NEWPERFTICKCOUNTER(_perf_define_appclass_time, SUN_CLS, "defineAppClassTime");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1667
    NEWPERFTICKCOUNTER(_perf_define_appclass_selftime, SUN_CLS, "defineAppClassTime.self");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1668
    NEWPERFBYTECOUNTER(_perf_app_classfile_bytes_read, SUN_CLS, "appClassBytes");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1669
    NEWPERFBYTECOUNTER(_perf_sys_classfile_bytes_read, SUN_CLS, "sysClassBytes");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1670
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
    // The following performance counters are added for measuring the impact
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
    // of the bug fix of 6365597. They are mainly focused on finding out
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
    // the behavior of system & user-defined classloader lock, whether
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
    // ClassLoader.loadClass/findClass is being called synchronized or not.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
    NEWPERFEVENTCOUNTER(_sync_systemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
                        "systemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
    NEWPERFEVENTCOUNTER(_sync_nonSystemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
                        "nonSystemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
    NEWPERFEVENTCOUNTER(_sync_JVMFindLoadedClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
                        "jvmFindLoadedClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
    NEWPERFEVENTCOUNTER(_sync_JVMDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
                        "jvmDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
    NEWPERFEVENTCOUNTER(_sync_JNIDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
                        "jniDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
    NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
                        "unsafeDefineClassCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
    NEWPERFEVENTCOUNTER(_load_instance_class_failCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
                        "loadInstanceClassFailRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
  // lookup zip library entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
  load_zip_library();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1697
  // lookup jimage library entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1698
  load_jimage_library();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1699
#if INCLUDE_CDS
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
  // initialize search path
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1701
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1702
    _shared_paths_misc_info = SharedClassUtil::allocate_shared_paths_misc_info();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1703
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1704
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
  setup_bootstrap_search_path();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1708
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1709
void ClassLoader::initialize_shared_path() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1710
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1711
    ClassLoaderExt::setup_search_paths();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1712
    _shared_paths_misc_info->write_jint(0); // see comments in SharedPathsMiscInfo::check()
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1713
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1714
}
49739
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1715
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1716
void ClassLoader::initialize_module_path(TRAPS) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1717
  if (DumpSharedSpaces) {
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1718
    ClassLoaderExt::setup_module_paths(THREAD);
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1719
    FileMapInfo::allocate_shared_path_table();
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1720
  }
00805b129186 8194812: Extend class-data sharing to support the module path
ccheung
parents: 49612
diff changeset
  1721
}
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1722
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
jlong ClassLoader::classloader_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
    Management::ticks_to_ms(_perf_accumulated_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
jlong ClassLoader::class_init_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  return UsePerfData ? _perf_classes_inited->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
jlong ClassLoader::class_init_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
    Management::ticks_to_ms(_perf_class_init_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
jlong ClassLoader::class_verify_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
    Management::ticks_to_ms(_perf_class_verify_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
jlong ClassLoader::class_link_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
  return UsePerfData ? _perf_classes_linked->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
jlong ClassLoader::class_link_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
    Management::ticks_to_ms(_perf_class_link_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
int ClassLoader::compute_Object_vtable() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
  // hardwired for JDK1.2 -- would need to duplicate class file parsing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
  // code to determine actual value from file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
  // Would be value '11' if finals were in vtable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
  int JDK_1_2_Object_vtable_size = 5;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
  return JDK_1_2_Object_vtable_size * vtableEntry::size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1761
void classLoader_init1() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
  ClassLoader::initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1765
// Complete the ClassPathEntry setup for the boot loader
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1766
void ClassLoader::classLoader_init2(TRAPS) {
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1767
  // Setup the list of module/path pairs for --patch-module processing
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1768
  // This must be done after the SymbolTable is created in order
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1769
  // to use fast_compare on module names instead of a string compare.
40244
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1770
  if (Arguments::get_patch_mod_prefix() != NULL) {
b3055c216762 8136930: Simplify use of module-system options by custom launchers
hseigel
parents: 40016
diff changeset
  1771
    setup_patch_mod_entries();
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1772
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1773
42634
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
  1774
  // Create the ModuleEntry for java.base (must occur after setup_patch_mod_entries
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
  1775
  // to successfully determine if java.base has been patched)
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
  1776
  create_javabase();
7459867ebf98 8168850: Mark module entries that have been specified by --patch-module
rprotacio
parents: 41741
diff changeset
  1777
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1778
  // Setup the initial java.base/path pair for the exploded build entries.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1779
  // As more modules are defined during module system initialization, more
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1780
  // entries will be added to the exploded build array.
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1781
  if (!has_jrt_entry()) {
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1782
    assert(!DumpSharedSpaces, "DumpSharedSpaces not supported with exploded module builds");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1783
    assert(!UseSharedSpaces, "UsedSharedSpaces not supported with exploded module builds");
46463
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1784
    // Set up the boot loader's _exploded_entries list.  Note that this gets
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1785
    // done before loading any classes, by the same thread that will
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1786
    // subsequently do the first class load. So, no lock is needed for this.
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1787
    assert(_exploded_entries == NULL, "Should only get initialized once");
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1788
    _exploded_entries = new (ResourceObj::C_HEAP, mtModule)
4bd2ca84df7a 8178604: JVM does not allow defining boot loader modules in exploded build after module system initialization
hseigel
parents: 46404
diff changeset
  1789
      GrowableArray<ModuleClassPathList*>(EXPLODED_ENTRY_SIZE, true);
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1790
    add_to_exploded_build_list(vmSymbols::java_base(), CHECK);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1791
  }
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1792
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1793
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1795
bool ClassLoader::get_canonical_path(const char* orig, char* out, int len) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
  assert(orig != NULL && out != NULL && len > 0, "bad arguments");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
  if (CanonicalizeEntry != NULL) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1798
    JavaThread* THREAD = JavaThread::current();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1799
    JNIEnv* env = THREAD->jni_environment();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1800
    ResourceMark rm(THREAD);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1801
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1802
    // os::native_path writes into orig_copy
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1803
    char* orig_copy = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, strlen(orig)+1);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1804
    strcpy(orig_copy, orig);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1805
    if ((CanonicalizeEntry)(env, os::native_path(orig_copy), out, len) < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
    // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
    strncpy(out, orig, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
    out[len - 1] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1816
void ClassLoader::create_javabase() {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1817
  Thread* THREAD = Thread::current();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1818
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1819
  // Create java.base's module entry for the boot
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1820
  // class loader prior to loading j.l.Ojbect.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1821
  ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1822
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1823
  // Get module entry table
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1824
  ModuleEntryTable* null_cld_modules = null_cld->modules();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1825
  if (null_cld_modules == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1826
    vm_exit_during_initialization("No ModuleEntryTable for the boot class loader");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1827
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1829
  {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1830
    MutexLocker ml(Module_lock, THREAD);
46404
ae62ba99a1a7 8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents: 46329
diff changeset
  1831
    ModuleEntry* jb_module = null_cld_modules->locked_create_entry_or_null(Handle(),
ae62ba99a1a7 8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents: 46329
diff changeset
  1832
                               false, vmSymbols::java_base(), NULL, NULL, null_cld);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1833
    if (jb_module == NULL) {
42636
aafc434ba580 8169734: Update uses of string "java.base" to macro
rprotacio
parents: 42634
diff changeset
  1834
      vm_exit_during_initialization("Unable to create ModuleEntry for " JAVA_BASE_NAME);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1835
    }
41183
207b92e69457 8163406: The fixup_module_list must be protected by Module_lock when inserting new entries
lfoltan
parents: 40244
diff changeset
  1836
    ModuleEntryTable::set_javabase_moduleEntry(jb_module);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1837
  }
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1838
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1839
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1840
#ifndef PRODUCT
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
// CompileTheWorld
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1843
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1844
// Iterates over all class path entries and forces compilation of all methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
// in all classes found. Currently, only zip/jar archives are searched.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
// The classes are loaded by the Java level bootstrap class loader, and the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
// initializer is called. If DelayCompilationDuringStartup is true (default),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1849
// the interpreter will run the initialization code. Note that forcing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
// initialization in this way could potentially lead to initialization order
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
// problems, in which case we could just force the initialization bit to be set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1852
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1854
// We need to iterate over the contents of a zip/jar file, so we replicate the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
// jzcell and jzfile definitions from zip_util.h but rename jzfile to real_jzfile,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
// since jzfile already has a void* definition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
// Note that this is only used in debug mode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
// HotSpot integration note:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
// Matches zip_util.h 1.14 99/06/01 from jdk1.3 beta H build
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
// JDK 1.3 version
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1865
typedef struct real_jzentry {         /* Zip file entry */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
    char *name;                 /* entry name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1867
    jint time;                  /* modification time */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
    jint size;                  /* size of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
    jint csize;                 /* size of compressed data (zero if uncompressed) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
    jint crc;                   /* crc of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
    char *comment;              /* optional zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
    jbyte *extra;               /* optional extra data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
    jint pos;                   /* position of LOC header (if negative) or data */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1874
} real_jzentry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1876
typedef struct real_jzfile {  /* Zip file */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
    char *name;                 /* zip file name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
    jint refs;                  /* number of active references */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
    jint fd;                    /* open file descriptor */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
    void *lock;                 /* read lock */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
    char *comment;              /* zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
    char *msg;                  /* zip error message */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
    void *entries;              /* array of hash cells */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
    jint total;                 /* total number of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
    unsigned short *table;      /* Hash chain heads: indexes into entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
    jint tablelen;              /* number of hash eads */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1887
    real_jzfile *next;        /* next zip file in search list */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
    jzentry *cache;             /* we cache the most recently freed jzentry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
    /* Information on metadata names in META-INF directory */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
    char **metanames;           /* array of meta names (may have null names) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
    jint metacount;             /* number of slots in metanames array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1892
    /* If there are any per-entry comments, they are in the comments array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
    char **comments;
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1894
} real_jzfile;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
void ClassPathDirEntry::compile_the_world(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
  // For now we only compile all methods in all classes in zip/jar files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
  tty->print_cr("CompileTheWorld : Skipped classes in %s", _dir);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
void ClassPathZipEntry::compile_the_world(Handle loader, TRAPS) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1903
  real_jzfile* zip = (real_jzfile*) _zip;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1904
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", zip->name);
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1905
  tty->cr();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1906
  // Iterate over all entries in zip file
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1907
  for (int n = 0; ; n++) {
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1908
    real_jzentry * ze = (real_jzentry *)((*GetNextEntry)(_zip, n));
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1909
    if (ze == NULL) break;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1910
    ClassLoader::compile_the_world_in(ze->name, loader, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
  if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
    if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
      CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1915
      tty->print_cr("\nCompileTheWorld : Ran out of memory\n");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1916
      tty->print_cr("Increase class metadata storage if a limit was set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
void ClassLoader::compile_the_world() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
  HandleMark hm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
  ResourceMark rm(THREAD);
36807
539a2817f0b4 8152004: CTW crashes with failed assertion after 8150646 integration
fzhinkin
parents: 36364
diff changeset
  1927
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1928
  assert(has_jrt_entry(), "Compile The World not supported with exploded module build");
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1929
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
  // Find bootstrap loader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1931
  Handle system_class_loader (THREAD, SystemDictionary::java_system_loader());
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1932
  jlong start = os::javaTimeMillis();
40013
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1933
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1934
  // Compile the world for the modular java runtime image
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1935
  _jrt_entry->compile_the_world(system_class_loader, CATCH);
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1936
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1937
  // Iterate over all bootstrap class path appended entries
943cf01a6b82 8154239: -Xbootclasspath/a breaks exploded build
lfoltan
parents: 39223
diff changeset
  1938
  ClassPathEntry* e = _first_append_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
  while (e != NULL) {
47673
6126617b8508 8185160: -XX:DumpLoadedClassList omits graal classes
iklam
parents: 47564
diff changeset
  1940
    assert(!e->is_modules_image(), "A modular java runtime image is present on the list of appended entries");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1941
    e->compile_the_world(system_class_loader, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1943
  }
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1944
  jlong end = os::javaTimeMillis();
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
  1945
  tty->print_cr("CompileTheWorld : Done (%d classes, %d methods, " JLONG_FORMAT " ms)",
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1946
                _compile_the_world_class_counter, _compile_the_world_method_counter, (end - start));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
    // Print statistics as if before normal exit:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
    extern void print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1950
    print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1951
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
  vm_exit(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1955
int ClassLoader::_compile_the_world_class_counter = 0;
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1956
int ClassLoader::_compile_the_world_method_counter = 0;
4736
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1957
static int _codecache_sweep_counter = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1958
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1959
// Filter out all exceptions except OOMs
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1960
static void clear_pending_exception_if_not_oom(TRAPS) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1961
  if (HAS_PENDING_EXCEPTION &&
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1962
      !PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1963
    CLEAR_PENDING_EXCEPTION;
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1964
  }
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1965
  // The CHECK at the caller will propagate the exception out
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1966
}
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1967
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1968
/**
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1969
 * Returns if the given method should be compiled when doing compile-the-world.
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1970
 *
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1971
 * TODO:  This should be a private method in a CompileTheWorld class.
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1972
 */
46727
6e4a84748e2c 8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents: 46701
diff changeset
  1973
static bool can_be_compiled(const methodHandle& m, int comp_level) {
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1974
  assert(CompileTheWorld, "must be");
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1975
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1976
  // It's not valid to compile a native wrapper for MethodHandle methods
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1977
  // that take a MemberName appendix since the bytecode signature is not
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1978
  // correct.
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1979
  vmIntrinsics::ID iid = m->intrinsic_id();
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1980
  if (MethodHandles::is_signature_polymorphic(iid) && MethodHandles::has_member_arg(iid)) {
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1981
    return false;
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1982
  }
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1983
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1984
  return CompilationPolicy::can_be_compiled(m, comp_level);
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1985
}
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1986
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1987
void ClassLoader::compile_the_world_in(char* name, Handle loader, TRAPS) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1988
  if (string_ends_with(name, ".class")) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1989
    // We have a .class file
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1990
    int len = (int)strlen(name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1991
    char buffer[2048];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
    strncpy(buffer, name, len - 6);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1993
    buffer[len-6] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1994
    // If the file has a period after removing .class, it's not really a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
    // valid class file.  The class loader will check everything else.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1996
    if (strchr(buffer, '.') == NULL) {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1997
      _compile_the_world_class_counter++;
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1998
      if (_compile_the_world_class_counter > CompileTheWorldStopAt) return;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1999
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2000
      // Construct name without extension
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
  2001
      TempNewSymbol sym = SymbolTable::new_symbol(buffer, CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2002
      // Use loader to load and initialize class
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2003
      Klass* k = SystemDictionary::resolve_or_null(sym, loader, Handle(), THREAD);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2004
      if (k != NULL && !HAS_PENDING_EXCEPTION) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2005
        k->initialize(THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2006
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2007
      bool exception_occurred = HAS_PENDING_EXCEPTION;
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  2008
      clear_pending_exception_if_not_oom(CHECK);
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2009
      if (CompileTheWorldPreloadClasses && k != NULL) {
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2010
        InstanceKlass* ik = InstanceKlass::cast(k);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2011
        ConstantPool::preload_and_initialize_all_classes(ik->constants(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2012
        if (HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2013
          // If something went wrong in preloading we just ignore it
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  2014
          clear_pending_exception_if_not_oom(CHECK);
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2015
          tty->print_cr("Preloading failed for (%d) %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
        }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2017
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2018
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2019
      if (_compile_the_world_class_counter >= CompileTheWorldStartAt) {
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2020
        if (k == NULL || exception_occurred) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
          // If something went wrong (e.g. ExceptionInInitializerError) we skip this class
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2022
          tty->print_cr("CompileTheWorld (%d) : Skipping %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2023
        } else {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2024
          tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2025
          // Preload all classes to get around uncommon traps
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2026
          // Iterate over all methods in class
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  2027
          int comp_level = CompilationPolicy::policy()->initial_compile_level();
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2028
          InstanceKlass* ik = InstanceKlass::cast(k);
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2029
          for (int n = 0; n < ik->methods()->length(); n++) {
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46289
diff changeset
  2030
            methodHandle m (THREAD, ik->methods()->at(n));
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  2031
            if (can_be_compiled(m, comp_level)) {
4736
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  2032
              if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) {
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  2033
                // Give sweeper a chance to keep up with CTW
46495
34f7d403039f 8152953: ForceSafepoint operations should be more specific
rehn
parents: 46463
diff changeset
  2034
                VM_CTWThreshold op;
4736
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  2035
                VMThread::execute(&op);
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  2036
                _codecache_sweep_counter = 0;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  2037
              }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2038
              // Force compilation
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  2039
              CompileBroker::compile_method(m, InvocationEntryBci, comp_level,
38218
f5ba1dea04eb 8153013: BlockingCompilation test times out
neliasso
parents: 38133
diff changeset
  2040
                                            methodHandle(), 0, CompileTask::Reason_CTW, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2041
              if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  2042
                clear_pending_exception_if_not_oom(CHECK);
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  2043
                tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_class_counter, m->name_and_sig_as_C_string());
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2044
              } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2045
                _compile_the_world_method_counter++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2046
              }
10250
0794cd144834 7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents: 8921
diff changeset
  2047
              if (TieredCompilation && TieredStopAtLevel >= CompLevel_full_optimization) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2048
                // Clobber the first compile and force second tier compilation
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37418
diff changeset
  2049
                CompiledMethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  2050
                if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2051
                  // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2052
                  nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2053
                }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5924
diff changeset
  2054
                CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization,
38218
f5ba1dea04eb 8153013: BlockingCompilation test times out
neliasso
parents: 38133
diff changeset
  2055
                                              methodHandle(), 0, CompileTask::Reason_CTW, THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2056
                if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  2057
                  clear_pending_exception_if_not_oom(CHECK);
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  2058
                  tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_class_counter, m->name_and_sig_as_C_string());
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2059
                } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  2060
                  _compile_the_world_method_counter++;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2061
                }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2062
              }
20008
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  2063
            } else {
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  2064
              tty->print_cr("CompileTheWorld (%d) : Skipping method: %s", _compile_the_world_class_counter, m->name_and_sig_as_C_string());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
            }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2066
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37418
diff changeset
  2067
            CompiledMethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  2068
            if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2069
              // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  2070
              nm->make_not_entrant();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2071
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2072
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2074
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2075
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2077
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2078
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2079
#endif //PRODUCT
7910
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2080
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2081
// Please keep following two functions at end of this file. With them placed at top or in middle of the file,
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2082
// they could get inlined by agressive compiler, an unknown trick, see bug 6966589.
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2083
void PerfClassTraceTime::initialize() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2084
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2085
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2086
  if (_eventp != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2087
    // increment the event counter
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2088
    _eventp->inc();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2089
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2090
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2091
  // stop the current active thread-local timer to measure inclusive time
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2092
  _prev_active_event = -1;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2093
  for (int i=0; i < EVENT_TYPE_COUNT; i++) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2094
     if (_timers[i].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2095
       assert(_prev_active_event == -1, "should have only one active timer");
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2096
       _prev_active_event = i;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2097
       _timers[i].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2098
     }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2099
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2100
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2101
  if (_recursion_counters == NULL || (_recursion_counters[_event_type])++ == 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2102
    // start the inclusive timer if not recursively called
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2103
    _t.start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2104
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2105
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2106
  // start thread-local timer of the given event type
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2107
   if (!_timers[_event_type].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2108
    _timers[_event_type].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2109
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2110
}
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2111
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2112
PerfClassTraceTime::~PerfClassTraceTime() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2113
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2114
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2115
  // stop the thread-local timer as the event completes
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2116
  // and resume the thread-local timer of the event next on the stack
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2117
  _timers[_event_type].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2118
  jlong selftime = _timers[_event_type].ticks();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2119
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2120
  if (_prev_active_event >= 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2121
    _timers[_prev_active_event].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2122
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2123
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2124
  if (_recursion_counters != NULL && --(_recursion_counters[_event_type]) > 0) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2125
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2126
  // increment the counters only on the leaf call
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2127
  _t.stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2128
  _timep->inc(_t.ticks());
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2129
  if (_selftimep != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2130
    _selftimep->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2131
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2132
  // add all class loading related event selftime to the accumulated time counter
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2133
  ClassLoader::perf_accumulated_time()->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2134
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2135
  // reset the timer
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2136
  _timers[_event_type].reset();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  2137
}