hotspot/src/share/vm/classfile/classLoader.cpp
author ccheung
Wed, 08 Jun 2016 12:50:23 -0700
changeset 39223 af5506aae343
parent 39216 40c3d66352ae
child 40013 943cf01a6b82
permissions -rw-r--r--
8159019: ResourceMark in ClassLoader::open_versioned_entry() is being used incorrectly Summary: Call FREE_RESOURCE_ARRAY instead of declaring a ResourceMark Reviewed-by: hseigel, jiangli
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/*
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 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/classFileStream.hpp"
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#include "classfile/classLoader.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/jimage.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 "gc/shared/collectedHeap.inline.hpp"
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#include "gc/shared/generation.hpp"
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#include "interpreter/bytecodeStream.hpp"
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#include "interpreter/oopMapCache.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.inline.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/instanceRefKlass.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/fprofiler.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.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/os.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 * * (JNICALL *ZipOpen_t)(const char *name, char **pmsg);
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typedef void (JNICALL *ZipClose_t)(jzfile *zip);
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typedef jzentry* (JNICALL *FindEntry_t)(jzfile *zip, const char *name, jint *sizeP, jint *nameLen);
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typedef jboolean (JNICALL *ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf);
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typedef jboolean (JNICALL *ReadMappedEntry_t)(jzfile *zip, jzentry *entry, unsigned char **buf, char *namebuf);
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typedef jzentry* (JNICALL *GetNextEntry_t)(jzfile *zip, jint n);
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typedef jboolean (JNICALL *ZipInflateFully_t)(void *inBuf, jlong inLen, void *outBuf, jlong outLen, char **pmsg);
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typedef jint     (JNICALL *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 ReadMappedEntry_t ReadMappedEntry    = 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::_isUnsyncloadClass = NULL;
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PerfCounter*    ClassLoader::_load_instance_class_failCounter = NULL;
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GrowableArray<ModuleClassPathList*>* ClassLoader::_xpatch_entries = NULL;
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ClassPathEntry* ClassLoader::_first_entry        = NULL;
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ClassPathEntry* ClassLoader::_last_entry         = NULL;
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int             ClassLoader::_num_entries        = 0;
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ClassPathEntry* ClassLoader::_first_append_entry = NULL;
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bool            ClassLoader::_has_jimage = false;
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#if INCLUDE_CDS
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GrowableArray<char*>* ClassLoader::_boot_modules_array = NULL;
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GrowableArray<char*>* ClassLoader::_platform_modules_array = 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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static PackageEntry* 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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  char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, JVM_MAXPATHLEN);
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  if (jio_snprintf(path, JVM_MAXPATHLEN, "%s%s%s", _dir, os::file_separator(), name) == -1) {
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    FREE_RESOURCE_ARRAY(char, path, JVM_MAXPATHLEN);
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    return NULL;
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  }
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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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#if INCLUDE_CDS
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    if (DumpSharedSpaces) {
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      // We have already check in ClassLoader::check_shared_classpath() that the directory is empty, so
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      // we should never find a file underneath it -- unless user has added a new file while we are running
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      // the dump, in which case let's quit!
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      ShouldNotReachHere();
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    }
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#endif
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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, JVM_MAXPATHLEN);
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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, JVM_MAXPATHLEN);
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  return NULL;
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   304
}
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   305
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ClassPathZipEntry::ClassPathZipEntry(jzfile* zip, const char* zip_name, bool is_boot_append) : ClassPathEntry() {
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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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   309
  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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   312
  _multi_versioned = _unknown;
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   313
}
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   314
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   315
ClassPathZipEntry::~ClassPathZipEntry() {
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   316
  if (ZipClose != NULL) {
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   317
    (*ZipClose)(_zip);
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   318
  }
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   319
  FREE_C_HEAP_ARRAY(char, _zip_name);
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   320
}
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   321
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u1* ClassPathZipEntry::open_entry(const char* name, jint* filesize, bool nul_terminate, TRAPS) {
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   323
    // enable call to C land
1
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   324
  JavaThread* thread = JavaThread::current();
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   325
  ThreadToNativeFromVM ttn(thread);
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   326
  // check whether zip archive contains name
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   327
  jint name_len;
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   328
  jzentry* entry = (*FindEntry)(_zip, name, filesize, &name_len);
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   329
  if (entry == NULL) return NULL;
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   330
  u1* buffer;
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   331
  char name_buf[128];
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   332
  char* filename;
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parents:
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   333
  if (name_len < 128) {
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parents:
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   334
    filename = name_buf;
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parents:
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   335
  } else {
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   336
    filename = NEW_RESOURCE_ARRAY(char, name_len + 1);
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   337
  }
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   338
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   339
  // file found, get pointer to the entry in mmapped jar file.
1
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   340
  if (ReadMappedEntry == NULL ||
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   341
      !(*ReadMappedEntry)(_zip, entry, &buffer, filename)) {
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   342
      // mmapped access not available, perhaps due to compression,
1
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parents:
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   343
      // read contents into resource array
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   344
      int size = (*filesize) + ((nul_terminate) ? 1 : 0);
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   345
      buffer = NEW_RESOURCE_ARRAY(u1, size);
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   346
      if (!(*ReadEntry)(_zip, entry, buffer, filename)) return NULL;
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   347
  }
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   348
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   349
  // return result
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   350
  if (nul_terminate) {
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   351
    buffer[*filesize] = 0;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
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   352
  }
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   353
  return buffer;
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diff changeset
   354
}
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   355
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   356
#if INCLUDE_CDS
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   357
u1* ClassPathZipEntry::open_versioned_entry(const char* name, jint* filesize, TRAPS) {
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   358
  u1* buffer = NULL;
38294
0a86f32d0fa0 8156789: missing condition in ClassPathZipEntry::open_versioned_entry()
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parents: 38252
diff changeset
   359
  if (DumpSharedSpaces && !_is_boot_append) {
37220
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   360
    // We presume default is multi-release enabled
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diff changeset
   361
    const char* multi_ver = Arguments::get_property("jdk.util.jar.enableMultiRelease");
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diff changeset
   362
    const char* verstr = Arguments::get_property("jdk.util.jar.version");
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   363
    bool is_multi_ver = (multi_ver == NULL ||
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   364
                         strcmp(multi_ver, "true") == 0 ||
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   365
                         strcmp(multi_ver, "force")  == 0) &&
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   366
                         is_multiple_versioned(THREAD);
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diff changeset
   367
    // command line version setting
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diff changeset
   368
    int version = 0;
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diff changeset
   369
    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
   370
    int cur_ver = JDK_Version::current().major_version();
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parents: 36508
diff changeset
   371
    if (verstr != NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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diff changeset
   372
      version = atoi(verstr);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   373
      if (version < base_version || version > cur_ver) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   374
        is_multi_ver = false;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
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parents: 36508
diff changeset
   375
        // 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
   376
        // for proper version.
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   377
        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
   378
      }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   379
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   380
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   381
    if (is_multi_ver) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   382
      int n;
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   383
      char* entry_name = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, JVM_MAXPATHLEN);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   384
      if (version > 0) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   385
        n = jio_snprintf(entry_name, JVM_MAXPATHLEN, "META-INF/versions/%d/%s", version, name);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   386
        entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   387
        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
   388
        if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   389
          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
   390
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   391
      }
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
        for (int i = cur_ver; i >= base_version; i--) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   394
          n = jio_snprintf(entry_name, JVM_MAXPATHLEN, "META-INF/versions/%d/%s", i, name);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   395
          entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   396
          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
   397
          if (buffer != NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   398
            break;
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
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   401
      }
39223
af5506aae343 8159019: ResourceMark in ClassLoader::open_versioned_entry() is being used incorrectly
ccheung
parents: 39216
diff changeset
   402
      FREE_RESOURCE_ARRAY(char, entry_name, JVM_MAXPATHLEN);
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   403
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   404
  }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   405
  return buffer;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   406
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   407
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   408
bool ClassPathZipEntry::is_multiple_versioned(TRAPS) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   409
  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
   410
  if (_multi_versioned != _unknown) {
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   411
    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
   412
  }
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   413
  jint size;
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   414
  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
   415
  if (buffer != NULL) {
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   416
    char* p = buffer;
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   417
    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
   418
    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
   419
      _multi_versioned = _yes;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   420
      return true;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   421
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   422
  }
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   423
  _multi_versioned = _no;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   424
  return false;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   425
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   426
#endif // INCLUDE_CDS
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   427
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   428
ClassFileStream* ClassPathZipEntry::open_stream(const char* name, TRAPS) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   429
  jint filesize;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   430
  u1* buffer = open_versioned_entry(name, &filesize, CHECK_NULL);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   431
  if (buffer == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   432
    buffer = open_entry(name, &filesize, false, CHECK_NULL);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   433
    if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   434
      return NULL;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   435
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   436
  }
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   437
  if (UsePerfData) {
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   438
    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
   439
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   440
  // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   441
  return new ClassFileStream(buffer,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   442
                             filesize,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   443
                             _zip_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   444
                             ClassFileStream::verify);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
// invoke function for each entry in the zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
void ClassPathZipEntry::contents_do(void f(const char* name, void* context), void* context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
  HandleMark  handle_mark(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
    jzentry * ze = ((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
    (*f)(ze->name, context);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   459
ClassPathImageEntry::ClassPathImageEntry(JImageFile* jimage, const char* name) :
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   460
  ClassPathEntry(),
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   461
  _jimage(jimage) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   462
  guarantee(jimage != NULL, "jimage file is null");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   463
  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
   464
  size_t len = strlen(name) + 1;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   465
  _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
   466
  strncpy((char *)_name, name, len);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   467
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   468
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   469
ClassPathImageEntry::~ClassPathImageEntry() {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   470
  if (_name != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   471
    FREE_C_HEAP_ARRAY(const char, _name);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   472
    _name = NULL;
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   473
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   474
  if (_jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   475
    (*JImageClose)(_jimage);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   476
    _jimage = NULL;
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   477
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   478
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   479
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   480
// 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
   481
//    /<module-name>/<package-name>/<base-class>
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   482
//
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   483
// Assumptions:
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   484
//     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
   485
//     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
   486
//
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   487
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
   488
  jlong size;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   489
  JImageLocationRef location = (*JImageFindResource)(_jimage, "", get_jimage_version_string(), name, &size);
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   490
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   491
  if (location == 0) {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   492
    ResourceMark rm;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   493
    const char* pkg_name = ClassLoader::package_from_name(name);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   494
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   495
    if (pkg_name != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   496
      if (!Universe::is_module_initialized()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   497
        location = (*JImageFindResource)(_jimage, "java.base", get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   498
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   499
        // CDS uses the boot class loader to load classes whose packages are in
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   500
        // modules defined for other class loaders.  So, for now, get their module
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   501
        // names from the "modules" jimage file.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   502
        if (DumpSharedSpaces && location == 0) {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   503
          const char* module_name = (*JImagePackageToModule)(_jimage, pkg_name);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   504
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   505
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   506
          }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   507
        }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   508
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   509
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   510
      } else {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   511
        PackageEntry* package_entry = get_package_entry(name, ClassLoaderData::the_null_class_loader_data(), THREAD);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   512
        if (package_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   513
          ResourceMark rm;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   514
          // Get the module name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   515
          ModuleEntry* module = package_entry->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   516
          assert(module != NULL, "Boot classLoader package missing module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   517
          assert(module->is_named(), "Boot classLoader package is in unnamed module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   518
          const char* module_name = module->name()->as_C_string();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   519
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   520
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   521
          }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   522
        }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   523
      }
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   524
    }
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   525
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   526
  if (location != 0) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   527
    if (UsePerfData) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   528
      ClassLoader::perf_sys_classfile_bytes_read()->inc(size);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   529
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   530
    char* data = NEW_RESOURCE_ARRAY(char, size);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   531
    (*JImageGetResource)(_jimage, location, data, size);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   532
    // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   533
    return new ClassFileStream((u1*)data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   534
                               (int)size,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   535
                               _name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   536
                               ClassFileStream::verify);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   537
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   538
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   539
  return NULL;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   540
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   541
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   542
#ifndef PRODUCT
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   543
bool ctw_visitor(JImageFile* jimage,
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   544
        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
   545
        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
   546
  if (strcmp(extension, "class") == 0) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   547
    Thread* THREAD = Thread::current();
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   548
    ResourceMark rm(THREAD);
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   549
    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
   550
    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
   551
    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
   552
    return !HAS_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   553
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   554
  return true;
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
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   557
void ClassPathImageEntry::compile_the_world(Handle loader, TRAPS) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   558
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", name());
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   559
  tty->cr();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   560
  (*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
   561
  if (HAS_PENDING_EXCEPTION) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   562
    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
   563
      CLEAR_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   564
      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
   565
      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
   566
    } else {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   567
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   568
    }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   569
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   570
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   571
#endif
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   572
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   573
bool ClassPathImageEntry::is_jrt() {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   574
  return ClassLoader::is_jrt(name());
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   575
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   576
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   577
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   578
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
   579
  assert(DumpSharedSpaces, "only called at dump time");
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   580
  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
   581
  vm_exit_during_initialization(error, message);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   582
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   583
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   585
ModuleClassPathList::ModuleClassPathList(Symbol* module_name) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   586
  _module_name = module_name;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   587
  _module_first_entry = NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   588
  _module_last_entry = NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   589
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   590
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   591
ModuleClassPathList::~ModuleClassPathList() {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   592
  // Clean out each ClassPathEntry on list
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   593
  ClassPathEntry* e = _module_first_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   594
  while (e != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   595
    ClassPathEntry* next_entry = e->next();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   596
    delete e;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   597
    e = next_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   598
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   599
}
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
void ModuleClassPathList::add_to_list(ClassPathEntry* new_entry) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   602
  if (new_entry != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   603
    if (_module_last_entry == NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   604
      _module_first_entry = _module_last_entry = new_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   605
    } else {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   606
      _module_last_entry->set_next(new_entry);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   607
      _module_last_entry = new_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   608
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   609
  }
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
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   612
void ClassLoader::trace_class_path(const char* msg, const char* name) {
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   613
  if (log_is_enabled(Info, class, path)) {
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   614
    ResourceMark rm;
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   615
    outputStream* out = Log(class, path)::info_stream();
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   616
    if (msg) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   617
      out->print("%s", msg);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   618
    }
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   619
    if (name) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   620
      if (strlen(name) < 256) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   621
        out->print("%s", name);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   622
      } else {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   623
        // For very long paths, we need to print each character separately,
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   624
        // as print_cr() has a length limit
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   625
        while (name[0] != '\0') {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   626
          out->print("%c", name[0]);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   627
          name++;
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   628
        }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   629
      }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   630
    }
34287
06ababebbd58 8143963: improve ClassLoader::trace_class_path to accept an additional outputStream* arg
ccheung
parents: 32619
diff changeset
   631
    out->cr();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   632
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   633
}
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
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   636
void ClassLoader::check_shared_classpath(const char *path) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   637
  if (strcmp(path, "") == 0) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   638
    exit_with_path_failure("Cannot have empty path in archived classpaths", NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   639
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   640
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   641
  struct stat st;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   642
  if (os::stat(path, &st) == 0) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   643
    if ((st.st_mode & S_IFREG) != S_IFREG) { // is directory
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   644
      if (!os::dir_is_empty(path)) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   645
        tty->print_cr("Error: non-empty directory '%s'", path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   646
        exit_with_path_failure("CDS allows only empty directories in archived classpaths", NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   647
      }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   648
    }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   649
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   650
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   651
#endif
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   652
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
void ClassLoader::setup_bootstrap_search_path() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
  assert(_first_entry == NULL, "should not setup bootstrap class search path twice");
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   655
  const char* sys_class_path = Arguments::get_sysclasspath();
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   656
  const char* java_class_path = Arguments::get_appclasspath();
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   657
  if (PrintSharedArchiveAndExit) {
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   658
    // 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
   659
    // the same as the bootcp of the shared archive.
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   660
  } else {
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   661
    trace_class_path("bootstrap loader class path=", sys_class_path);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   662
    trace_class_path("classpath: ", java_class_path);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   663
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   664
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   665
  if (DumpSharedSpaces) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   666
    _shared_paths_misc_info->add_boot_classpath(sys_class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
  }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   668
#endif
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   669
  setup_search_path(sys_class_path, true);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   670
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   672
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   673
int ClassLoader::get_shared_paths_misc_info_size() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   674
  return _shared_paths_misc_info->get_used_bytes();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   675
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   676
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   677
void* ClassLoader::get_shared_paths_misc_info() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   678
  return _shared_paths_misc_info->buffer();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   679
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   680
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   681
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
   682
  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
   683
  bool result = checker->check();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   684
  delete checker;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   685
  return result;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   686
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   687
#endif
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   688
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   689
// Construct the array of module/path pairs as specified to -Xpatch
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   690
// for the boot loader to search ahead of the jimage, if the class being
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   691
// loaded is defined to a module that has been specified to -Xpatch.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   692
void ClassLoader::setup_xpatch_entries() {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   693
  Thread* THREAD = Thread::current();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   694
  GrowableArray<ModuleXPatchPath*>* xpatch_args = Arguments::get_xpatchprefix();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   695
  int num_of_entries = xpatch_args->length();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   696
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   697
  // Set up the boot loader's xpatch_entries list
38733
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 38697
diff changeset
   698
  _xpatch_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
   699
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   700
  for (int i = 0; i < num_of_entries; i++) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   701
    const char* module_name = (xpatch_args->at(i))->module_name();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   702
    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
   703
    assert(module_sym != NULL, "Failed to obtain Symbol for module name");
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   704
    ModuleClassPathList* module_cpl = new ModuleClassPathList(module_sym);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   705
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   706
    char* class_path = (xpatch_args->at(i))->path_string();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   707
    int len = (int)strlen(class_path);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   708
    int end = 0;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   709
    // Iterate over the module's class path entries
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   710
    for (int start = 0; start < len; start = end) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   711
      while (class_path[end] && class_path[end] != os::path_separator()[0]) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   712
        end++;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   713
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   714
      EXCEPTION_MARK;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   715
      ResourceMark rm(THREAD);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   716
      char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   717
      strncpy(path, &class_path[start], end - start);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   718
      path[end - start] = '\0';
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   719
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   720
      struct stat st;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   721
      if (os::stat(path, &st) == 0) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   722
        // File or directory found
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   723
        Thread* THREAD = Thread::current();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   724
        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
   725
        // 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
   726
        if (new_entry != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   727
          module_cpl->add_to_list(new_entry);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   728
        }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   729
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   730
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   731
      while (class_path[end] == os::path_separator()[0]) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   732
        end++;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   733
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   734
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   735
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   736
    // Record the module into the list of -Xpatch entries only if
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   737
    // valid ClassPathEntrys have been created
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   738
    if (module_cpl->module_first_entry() != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   739
      _xpatch_entries->push(module_cpl);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   740
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   741
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   742
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   743
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   744
void ClassLoader::setup_search_path(const char *class_path, bool bootstrap_search) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   745
  int offset = 0;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   746
  int len = (int)strlen(class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
  int end = 0;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   748
  bool mark_append_entry = false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
  // Iterate over class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
  for (int start = 0; start < len; start = end) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   752
    while (class_path[end] && class_path[end] != os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   755
    EXCEPTION_MARK;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   756
    ResourceMark rm(THREAD);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   757
    mark_append_entry = (mark_append_entry ||
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   758
      (bootstrap_search && (start == Arguments::bootclassloader_append_index())));
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   759
    char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   760
    strncpy(path, &class_path[start], end - start);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   761
    path[end - start] = '\0';
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   762
    update_class_path_entry_list(path, false, mark_append_entry, false, bootstrap_search);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   763
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   764
    // Check on the state of the boot loader's append path
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   765
    if (mark_append_entry && (_first_append_entry == NULL)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   766
      // Failure to mark the first append entry, most likely
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   767
      // due to a non-existent path. Record the next entry
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   768
      // as the first boot loader append entry.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   769
      mark_append_entry = true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   770
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   771
      mark_append_entry = false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   772
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   773
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   774
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   775
    if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   776
      check_shared_classpath(path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   777
    }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   778
#endif
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   779
    while (class_path[end] == os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   785
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
   786
                                                     bool throw_exception,
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   787
                                                     bool is_boot_append, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
  JavaThread* thread = JavaThread::current();
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   789
  ClassPathEntry* new_entry = NULL;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   790
  if ((st->st_mode & S_IFREG) == S_IFREG) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   791
    ResourceMark rm(thread);
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   792
    // Regular file, should be a zip or jimage file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
    // Canonicalized filename
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   794
    char* canonical_path = NEW_RESOURCE_ARRAY_IN_THREAD(thread, char, JVM_MAXPATHLEN);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
    if (!get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
      // This matches the classic VM
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   797
      if (throw_exception) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   798
        THROW_MSG_(vmSymbols::java_io_IOException(), "Bad pathname", NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   799
      } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   800
        return NULL;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   801
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   803
    jint error;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   804
    JImageFile* jimage =(*JImageOpen)(canonical_path, &error);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   805
    if (jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   806
      new_entry = new ClassPathImageEntry(jimage, canonical_path);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   807
    } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   808
      char* error_msg = NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   809
      jzfile* zip;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   810
      {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   811
        // enable call to C land
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   812
        ThreadToNativeFromVM ttn(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   813
        HandleMark hm(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   814
        zip = (*ZipOpen)(canonical_path, &error_msg);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   815
      }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   816
      if (zip != NULL && error_msg == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   817
        new_entry = new ClassPathZipEntry(zip, path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
      } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   819
        char *msg;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   820
        if (error_msg == NULL) {
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   821
          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
   822
          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
   823
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   824
          int len = (int)(strlen(path) + strlen(error_msg) + 128);
39210
178947361a68 8153876: Replace 4K stack allocations with Resource allocations
ccheung
parents: 38733
diff changeset
   825
          msg = NEW_RESOURCE_ARRAY_IN_THREAD(thread, char, len); ;
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   826
          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
   827
        }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   828
        // 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
   829
        if (throw_exception && is_init_completed()) {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   830
          THROW_MSG_(vmSymbols::java_lang_ClassNotFoundException(), msg, NULL);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   831
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   832
          return NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   833
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
      }
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   835
    }
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   836
    log_info(class, path)("opened: %s", path);
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   837
    log_info(class, load)("opened: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
    // Directory
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   840
    new_entry = new ClassPathDirEntry(path);
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 38145
diff changeset
   841
    log_info(class, load)("path: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   843
  return new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
// Create a class path zip entry for a given path (return NULL if not found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
// or zip/JAR file cannot be opened)
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   849
ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path, bool is_boot_append) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
  // check for a regular file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
  struct stat st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
  if (os::stat(path, &st) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
    if ((st.st_mode & S_IFREG) == S_IFREG) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
      char canonical_path[JVM_MAXPATHLEN];
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   855
      if (get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
        char* error_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
        jzfile* zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
          // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
          JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
          ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
          HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
          zip = (*ZipOpen)(canonical_path, &error_msg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
        if (zip != NULL && error_msg == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
          // create using canonical path
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   867
          return new ClassPathZipEntry(zip, canonical_path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   875
// The boot class loader must adhere to specfic visibility rules.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   876
// Prior to loading a class in a named package, the package is checked
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   877
// to see if it is in a module defined to the boot loader. If the
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   878
// package is not in a module defined to the boot loader, the class
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   879
// must be loaded only in the boot loader's append path, which
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   880
// consists of [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   881
void ClassLoader::set_first_append_entry(ClassPathEntry *new_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   882
  if (_first_append_entry == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   883
    _first_append_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   884
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   885
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   886
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
// returns true if entry already on class path
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
bool ClassLoader::contains_entry(ClassPathEntry *entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
  ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   891
    // assume zip entries have been canonicalized
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
    if (strcmp(entry->name(), e->name()) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
void ClassLoader::add_to_list(ClassPathEntry *new_entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
  if (new_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
    if (_last_entry == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
      _first_entry = _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
      _last_entry->set_next(new_entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
      _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
  }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   909
  _num_entries ++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   912
void ClassLoader::prepend_to_list(ClassPathEntry *new_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   913
  if (new_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   914
    if (_last_entry == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   915
      _first_entry = _last_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   916
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   917
      new_entry->set_next(_first_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   918
      _first_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   919
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   920
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   921
  _num_entries ++;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   922
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   923
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   924
void ClassLoader::add_to_list(const char *apath) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   925
  update_class_path_entry_list((char*)apath, false, false, false, false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   926
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   927
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   928
void ClassLoader::prepend_to_list(const char *apath) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   929
  update_class_path_entry_list((char*)apath, false, false, true, false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   930
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   931
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   932
// 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
   933
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
   934
                                               bool check_for_duplicates,
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   935
                                               bool mark_append_entry,
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   936
                                               bool prepend_entry,
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   937
                                               bool is_boot_append,
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   938
                                               bool throw_exception) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
  struct stat st;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   940
  if (os::stat(path, &st) == 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
    // File or directory found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
    ClassPathEntry* new_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   943
    Thread* THREAD = Thread::current();
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   944
    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
   945
    if (new_entry == NULL) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   946
      return false;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   947
    }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   948
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   949
    // Ensure that the first boot loader append entry will always be set correctly.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   950
    assert((!mark_append_entry ||
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   951
            (mark_append_entry && (!check_for_duplicates || !contains_entry(new_entry)))),
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   952
           "failed to mark boot loader's first append boundary");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   953
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   954
    // Do not reorder the bootclasspath which would break get_system_package().
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
    // Add new entry to linked list
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   956
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
    if (!check_for_duplicates || !contains_entry(new_entry)) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   958
      ClassLoaderExt::add_class_path_entry(path, check_for_duplicates, new_entry, prepend_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   959
      if (mark_append_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   960
        set_first_append_entry(new_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   961
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   963
    return true;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   964
  } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   965
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   966
    if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   967
      _shared_paths_misc_info->add_nonexist_path(path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   968
    }
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   969
#endif
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   970
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
void ClassLoader::print_bootclasspath() {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   975
  ClassPathEntry* e;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
  tty->print("[bootclasspath= ");
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   977
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   978
  // Print -Xpatch module/path specifications first
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   979
  if (_xpatch_entries != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   980
    ResourceMark rm;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   981
    int num_of_entries = _xpatch_entries->length();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   982
    for (int i = 0; i < num_of_entries; i++) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   983
      ModuleClassPathList* mpl = _xpatch_entries->at(i);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   984
      tty->print("%s=", mpl->module_name()->as_C_string());
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   985
      e = mpl->module_first_entry();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   986
      while (e != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   987
        tty->print("%s", e->name());
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   988
        e = e->next();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   989
        if (e != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   990
          tty->print("%s", os::path_separator());
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   991
        }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   992
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   993
      tty->print(" ;");
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   994
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   995
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   996
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
   997
  e = _first_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
    tty->print("%s ;", e->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
  tty->print_cr("]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
void ClassLoader::load_zip_library() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
  assert(ZipOpen == NULL, "should not load zip library twice");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
  // First make sure native library is loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
  os::native_java_library();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
  // Load zip library
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
  char path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
  char ebuf[1024];
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1012
  void* handle = NULL;
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1013
  if (os::dll_build_name(path, sizeof(path), Arguments::get_dll_dir(), "zip")) {
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
  1014
    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
  1015
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
  if (handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
    vm_exit_during_initialization("Unable to load ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
  // Lookup zip entry points
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1020
  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
  1021
  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
  1022
  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
  1023
  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
  1024
  ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, os::dll_lookup(handle, "ZIP_ReadMappedEntry"));
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1025
  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
  1026
  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
  1027
  Crc32        = CAST_TO_FN_PTR(Crc32_t, os::dll_lookup(handle, "ZIP_CRC32"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
  // 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
  1030
  if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL ||
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1031
      GetNextEntry == NULL || Crc32 == NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
    vm_exit_during_initialization("Corrupted ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1035
  if (ZipInflateFully == NULL) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1036
    vm_exit_during_initialization("Corrupted ZIP library ZIP_InflateFully missing", path);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1037
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1038
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  // Lookup canonicalize entry in libjava.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
  void *javalib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1041
  CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
  // This lookup only works on 1.3. Do not check for non-null here
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1045
void ClassLoader::load_jimage_library() {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1046
  // First make sure native library is loaded
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1047
  os::native_java_library();
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1048
  // Load jimage library
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1049
  char path[JVM_MAXPATHLEN];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1050
  char ebuf[1024];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1051
  void* handle = NULL;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1052
  if (os::dll_build_name(path, sizeof(path), Arguments::get_dll_dir(), "jimage")) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1053
    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
  1054
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1055
  if (handle == NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1056
    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
  1057
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1058
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1059
  // Lookup jimage entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1060
  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
  1061
  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
  1062
  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
  1063
  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
  1064
  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
  1065
  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
  1066
  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
  1067
  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
  1068
  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
  1069
  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
  1070
  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
  1071
  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
  1072
  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
  1073
  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
  1074
}
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1075
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1076
jboolean ClassLoader::decompress(void *in, u8 inSize, void *out, u8 outSize, char **pmsg) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1077
  return (*ZipInflateFully)(in, inSize, out, outSize, pmsg);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1078
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1079
27025
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1080
int ClassLoader::crc32(int crc, const char* buf, int len) {
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1081
  assert(Crc32 != NULL, "ZIP_CRC32 is not found");
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1082
  return (*Crc32)(crc, (const jbyte*)buf, len);
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1083
}
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
  1084
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1085
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1086
void ClassLoader::initialize_module_loader_map(JImageFile* jimage) {
38192
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1087
  if (!DumpSharedSpaces) {
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1088
    return; // only needed for CDS dump time
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1089
  }
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1090
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1091
  ResourceMark rm;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1092
  jlong size;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1093
  JImageLocationRef location = (*JImageFindResource)(jimage, "java.base", get_jimage_version_string(), MODULE_LOADER_MAP, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1094
  if (location == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1095
    vm_exit_during_initialization(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1096
      "Cannot find ModuleLoaderMap location from modules jimage.", NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1097
  }
38252
f601a770c82f 8155574: ClassLoader::initialize_module_loader_map crashes if the char_buf is not NULL terminated
ccheung
parents: 38245
diff changeset
  1098
  char* buffer = NEW_RESOURCE_ARRAY(char, size + 1);
f601a770c82f 8155574: ClassLoader::initialize_module_loader_map crashes if the char_buf is not NULL terminated
ccheung
parents: 38245
diff changeset
  1099
  buffer[size] = '\0';
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1100
  jlong read = (*JImageGetResource)(jimage, location, buffer, size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1101
  if (read != size) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1102
    vm_exit_during_initialization(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1103
      "Cannot find ModuleLoaderMap resource from modules jimage.", NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1105
  char* char_buf = (char*)buffer;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1106
  int buflen = (int)strlen(char_buf);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1107
  char* begin_ptr = char_buf;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1108
  char* end_ptr = strchr(begin_ptr, '\n');
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1109
  bool process_boot_modules = false;
38733
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 38697
diff changeset
  1110
  _boot_modules_array = new (ResourceObj::C_HEAP, mtModule)
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1111
    GrowableArray<char*>(INITIAL_BOOT_MODULES_ARRAY_SIZE, true);
38733
2b65f4db449e 8156156: Add module specific NMT MemoryType
hseigel
parents: 38697
diff changeset
  1112
  _platform_modules_array = new (ResourceObj::C_HEAP, mtModule)
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1113
    GrowableArray<char*>(INITIAL_PLATFORM_MODULES_ARRAY_SIZE, true);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1114
  while (end_ptr != NULL && (end_ptr - char_buf) < buflen) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1115
    // Allocate a buffer from the C heap to be appended to the _boot_modules_array
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1116
    // or the _platform_modules_array.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1117
    char* temp_name = NEW_C_HEAP_ARRAY(char, (size_t)(end_ptr - begin_ptr + 1), mtInternal);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1118
    strncpy(temp_name, begin_ptr, end_ptr - begin_ptr);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1119
    temp_name[end_ptr - begin_ptr] = '\0';
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1120
    if (strncmp(temp_name, "BOOT", 4) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1121
      process_boot_modules = true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1122
      FREE_C_HEAP_ARRAY(char, temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1123
    } else if (strncmp(temp_name, "PLATFORM", 8) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1124
      process_boot_modules = false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1125
      FREE_C_HEAP_ARRAY(char, temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1126
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1127
      // module name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1128
      if (process_boot_modules) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1129
        _boot_modules_array->append(temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1130
      } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1131
        _platform_modules_array->append(temp_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
    }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1134
    begin_ptr = ++end_ptr;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1135
    end_ptr = strchr(begin_ptr, '\n');
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
}
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1138
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1140
// Function add_package extracts the package from the fully qualified class name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1141
// 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
  1142
// then it sets the classpath_index in the package entry record.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1143
//
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1144
// 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
  1145
// path for packages with classes loaded by the boot loader from -Xbootclasspath/a
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1146
// in an unnamed module.  It is also used to indicate (for all packages whose
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1147
// 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
  1148
// classes has been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1149
bool ClassLoader::add_package(const char *fullq_class_name, s2 classpath_index, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1150
  assert(fullq_class_name != NULL, "just checking");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1151
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1152
  // 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
  1153
  ResourceMark rm;
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1154
  const char *cp = package_from_name(fullq_class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
  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
  1156
    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
  1157
    TempNewSymbol pkg_symbol = SymbolTable::new_symbol(cp, CHECK_false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1158
    PackageEntry* pkg_entry = pkg_entry_tbl->lookup_only(pkg_symbol);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1159
    if (pkg_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1160
      assert(classpath_index != -1, "Unexpected classpath_index");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1161
      pkg_entry->set_classpath_index(classpath_index);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1162
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1163
      return false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1164
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1165
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1166
  return true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1167
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1168
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1169
oop ClassLoader::get_system_package(const char* name, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1170
  // Look up the name in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1171
  if (name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1172
    TempNewSymbol package_sym = SymbolTable::new_symbol(name, (int)strlen(name), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1173
    // Look for the package entry in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1174
    PackageEntry* package =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1175
      ClassLoaderData::the_null_class_loader_data()->packages()->lookup_only(package_sym);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1176
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1177
    // Return NULL if package does not exist or if no classes in that package
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1178
    // have been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1179
    if (package != NULL && package->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1180
      ModuleEntry* module = package->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1181
      if (module->location() != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1182
        ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1183
        Handle ml = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1184
          module->location()->as_C_string(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1185
        return ml();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1186
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1187
      // Return entry on boot loader class path.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1188
      Handle cph = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1189
        ClassLoader::classpath_entry(package->classpath_index())->name(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1190
      return cph();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1191
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1196
objArrayOop ClassLoader::get_system_packages(TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1197
  ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1198
  // List of pointers to PackageEntrys that have loaded classes.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1199
  GrowableArray<PackageEntry*>* loaded_class_pkgs = new GrowableArray<PackageEntry*>(50);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1201
    MutexLocker ml(Module_lock, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1202
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1203
    PackageEntryTable* pe_table =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1204
      ClassLoaderData::the_null_class_loader_data()->packages();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1206
    // Collect the packages that have at least one loaded class.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1207
    for (int x = 0; x < pe_table->table_size(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1208
      for (PackageEntry* package_entry = pe_table->bucket(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1209
           package_entry != NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1210
           package_entry = package_entry->next()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1211
        if (package_entry->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1212
          loaded_class_pkgs->append(package_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1213
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1215
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1219
  // Allocate objArray and fill with java.lang.String
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1220
  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1221
                                           loaded_class_pkgs->length(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1222
  objArrayHandle result(THREAD, r);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1223
  for (int x = 0; x < loaded_class_pkgs->length(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1224
    PackageEntry* package_entry = loaded_class_pkgs->at(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1225
    Handle str = java_lang_String::create_from_symbol(package_entry->name(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1226
    result->obj_at_put(x, str());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1228
  return result();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1231
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1232
s2 ClassLoader::module_to_classloader(const char* module_name) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
38192
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1234
  assert(DumpSharedSpaces, "dump time only");
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1235
  assert(_boot_modules_array != NULL, "_boot_modules_array is NULL");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1236
  assert(_platform_modules_array != NULL, "_platform_modules_array is NULL");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1237
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1238
  int array_size = _boot_modules_array->length();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1239
  for (int i = 0; i < array_size; i++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1240
    if (strcmp(module_name, _boot_modules_array->at(i)) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1241
      return BOOT_LOADER;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1244
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1245
  array_size = _platform_modules_array->length();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1246
  for (int i = 0; i < array_size; i++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1247
    if (strcmp(module_name, _platform_modules_array->at(i)) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1248
      return PLATFORM_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1249
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1252
  return APP_LOADER;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1254
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1255
s2 ClassLoader::classloader_type(Symbol* class_name, ClassPathEntry* e, int classpath_index, TRAPS) {
38192
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1256
  assert(DumpSharedSpaces, "Only used for CDS dump time");
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1257
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1258
  // obtain the classloader type based on the class name.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1259
  // First obtain the package name based on the class name. Then obtain
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1260
  // the classloader type based on the package name from the jimage using
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1261
  // a jimage API. If the classloader type cannot be found from the
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1262
  // jimage, it is determined by the class path entry.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1263
  jshort loader_type = ClassLoader::APP_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1264
  if (e->is_jrt()) {
39216
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1265
    ResourceMark rm;
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1266
    TempNewSymbol pkg_name = InstanceKlass::package_from_name(class_name, CHECK_0);
40c3d66352ae 8153858: Clean up needed when obtaining the package name from a fully qualified class name
rprotacio
parents: 39210
diff changeset
  1267
    if (pkg_name != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1268
      const char* pkg_name_C_string = (const char*)(pkg_name->as_C_string());
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1269
      ClassPathImageEntry* cpie = (ClassPathImageEntry*)e;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1270
      JImageFile* jimage = cpie->jimage();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1271
      char* module_name = (char*)(*JImagePackageToModule)(jimage, pkg_name_C_string);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1272
      if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1273
        loader_type = ClassLoader::module_to_classloader(module_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1274
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1275
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1276
  } else if (ClassLoaderExt::is_boot_classpath(classpath_index)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1277
    loader_type = ClassLoader::BOOT_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1278
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1279
  return loader_type;
38192
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1280
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1281
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1283
// caller needs ResourceMark
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1284
const char* ClassLoader::file_name_for_class_name(const char* class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1285
                                                  int class_name_len) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1286
  assert(class_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1287
  assert((int)strlen(class_name) == class_name_len, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1289
  static const char class_suffix[] = ".class";
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1290
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1291
  char* const file_name = NEW_RESOURCE_ARRAY(char,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1292
                                             class_name_len +
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1293
                                             sizeof(class_suffix)); // includes term NULL
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1294
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1295
  strncpy(file_name, class_name, class_name_len);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1296
  strncpy(&file_name[class_name_len], class_suffix, sizeof(class_suffix));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1297
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1298
  return file_name;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1299
}
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1300
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1301
instanceKlassHandle ClassLoader::load_class(Symbol* name, bool search_append_only, TRAPS) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1302
  assert(name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1303
  assert(THREAD->is_Java_thread(), "must be a JavaThread");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1304
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1305
  ResourceMark rm(THREAD);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1306
  HandleMark hm(THREAD);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1307
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1308
  const char* const class_name = name->as_C_string();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1309
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1310
  EventMark m("loading class %s", class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
  ThreadProfilerMark tpm(ThreadProfilerMark::classLoaderRegion);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1313
  const char* const file_name = file_name_for_class_name(class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1314
                                                         name->utf8_length());
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1315
  assert(file_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1316
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1317
  ClassLoaderExt::Context context(class_name, file_name, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1319
  // Lookup stream for parsing .class file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
  ClassFileStream* stream = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1321
  s2 classpath_index = 0;
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1322
  ClassPathEntry* e = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1323
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1324
  // If DumpSharedSpaces is true, boot loader visibility boundaries are set
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1325
  // to be _first_entry to the end (all path entries). No -Xpatch entries are
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1326
  // included since CDS and AppCDS are not supported if -Xpatch is specified.
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1327
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1328
  // 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
  1329
  // set to be _first_append_entry to the end. This includes:
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1330
  //   [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1331
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1332
  // If both DumpSharedSpaces and search_append_only are false, boot loader
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1333
  // visibility boundaries are set to be _first_entry to the entry before
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1334
  // the _first_append_entry.  This would include:
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1335
  //   [-Xpatch:<module>=<file>(<pathsep><file>)*];  [exploded build | jimage]
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1336
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1337
  // DumpSharedSpaces and search_append_only are mutually exclusive and cannot
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1338
  // be true at the same time.
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1339
  assert(!(DumpSharedSpaces && search_append_only), "DumpSharedSpaces and search_append_only are both true");
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1340
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1341
  // Load Attempt #1: -Xpatch
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1342
  // Determine the class' defining module.  If it appears in the _xpatch_entries,
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1343
  // attempt to load the class from those locations specific to the module.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1344
  // Note: The -Xpatch entries are never searched if the boot loader's
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1345
  //       visibility boundary is limited to only searching the append entries.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1346
  if (_xpatch_entries != NULL && !search_append_only && !DumpSharedSpaces) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1347
    // Find the module in the boot loader's module entry table
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1348
    PackageEntry* pkg_entry = get_package_entry(class_name, ClassLoaderData::the_null_class_loader_data(), THREAD);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1349
    ModuleEntry* mod_entry = (pkg_entry != NULL) ? pkg_entry->module() : NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1350
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1351
    // If the module system has not defined java.base yet, then
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1352
    // classes loaded are assumed to be defined to java.base.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1353
    // When java.base is eventually defined by the module system,
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1354
    // all packages of classes that have been previously loaded
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1355
    // are verified in ModuleEntryTable::verify_javabase_packages().
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1356
    if (!Universe::is_module_initialized() &&
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1357
        !ModuleEntryTable::javabase_defined() &&
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1358
        mod_entry == NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1359
      mod_entry = ModuleEntryTable::javabase_module();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1360
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1361
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1362
    // The module must be a named module
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1363
    if (mod_entry != NULL && mod_entry->is_named()) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1364
      int num_of_entries = _xpatch_entries->length();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1365
      const Symbol* class_module_name = mod_entry->name();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1366
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1367
      // Loop through all the xpatch entries looking for module
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1368
      for (int i = 0; i < num_of_entries; i++) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1369
        ModuleClassPathList* module_cpl = _xpatch_entries->at(i);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1370
        Symbol* module_cpl_name = module_cpl->module_name();
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1371
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1372
        if (module_cpl_name->fast_compare(class_module_name) == 0) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1373
          // Class' module has been located, attempt to load
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1374
          // the class from the module's ClassPathEntry list.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1375
          e = module_cpl->module_first_entry();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1376
          while (e != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1377
            stream = e->open_stream(file_name, CHECK_NULL);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1378
            // No context.check is required since both CDS
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1379
            // and AppCDS are turned off if -Xpatch is specified.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1380
            if (NULL != stream) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1381
              break;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1382
            }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1383
            e = e->next();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1384
          }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1385
          // If the module was located in the xpatch entries, break out
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1386
          // even if the class was not located successfully from that module's
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1387
          // ClassPathEntry list. There will not be another valid entry for
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1388
          // that module in the _xpatch_entries array.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1389
          break;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1390
        }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1391
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1392
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1393
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1394
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1395
  // Load Attempt #2: [exploded build | jimage]
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1396
  if (!search_append_only && (NULL == stream)) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1397
    e = _first_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1398
    while ((e != NULL) && (e != _first_append_entry)) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1399
      stream = e->open_stream(file_name, CHECK_NULL);
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1400
      if (!context.check(stream, classpath_index)) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1401
        return NULL;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1402
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1403
      if (NULL != stream) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1404
        break;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1405
      }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1406
      e = e->next();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1407
      ++classpath_index;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1408
    }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1409
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1410
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1411
  // Load Attempt #3: [-Xbootclasspath/a]; [jvmti appended entries]
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1412
  if ((search_append_only || DumpSharedSpaces) && (NULL == stream)) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1413
    // For the boot loader append path search, must calculate
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1414
    // the starting classpath_index prior to attempting to
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1415
    // load the classfile.
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1416
    if (search_append_only) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1417
      ClassPathEntry *tmp_e = _first_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1418
      while ((tmp_e != NULL) && (tmp_e != _first_append_entry)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1419
        tmp_e = tmp_e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1420
        ++classpath_index;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1421
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1422
    }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1423
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1424
    e = _first_append_entry;
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1425
    while (e != NULL) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1426
      stream = e->open_stream(file_name, CHECK_NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1427
      if (!context.check(stream, classpath_index)) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1428
        return NULL;
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1429
      }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1430
      if (NULL != stream) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1431
        break;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1432
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1433
      e = e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1434
      ++classpath_index;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1438
  if (NULL == stream) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1439
    if (DumpSharedSpaces) {
27618
790a8bf5488b 8064375: Change certain errors to warnings in CDS output.
jiangli
parents: 27025
diff changeset
  1440
      tty->print_cr("Preload Warning: Cannot find %s", class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
    }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1442
    return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1445
  stream->set_verify(context.should_verify(classpath_index));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1446
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1447
  ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1448
  Handle protection_domain;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1449
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1450
  instanceKlassHandle result = KlassFactory::create_from_stream(stream,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1451
                                                                name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1452
                                                                loader_data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1453
                                                                protection_domain,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1454
                                                                NULL, // host_klass
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1455
                                                                NULL, // cp_patches
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1456
                                                                NULL, // parsed_name
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1457
                                                                THREAD);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1458
  if (HAS_PENDING_EXCEPTION) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1459
    if (DumpSharedSpaces) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1460
      tty->print_cr("Preload Error: Failed to load %s", class_name);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1461
    }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1462
    return NULL;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1463
  }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1464
38192
05ab1ee04bf2 8155678: ClassLoader::initialize_module_loader_map should only be called when dumping CDS archive.
jiangli
parents: 38151
diff changeset
  1465
  return context.record_result(name, e, classpath_index, result, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
// Initialize the class loader's access to methods in libzip.  Parse and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
// process the boot classpath into a list ClassPathEntry objects.  Once
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
// this list has been created, it must not change order (see class PackageInfo)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
// it can be appended to and is by jvmti and the kernel vm.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
void ClassLoader::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
  if (UsePerfData) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
    // jvmstat performance counters
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
    NEWPERFTICKCOUNTER(_perf_accumulated_time, SUN_CLS, "time");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
    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
  1480
    NEWPERFTICKCOUNTER(_perf_class_init_selftime, SUN_CLS, "classInitTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
    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
  1482
    NEWPERFTICKCOUNTER(_perf_class_verify_selftime, SUN_CLS, "classVerifyTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
    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
  1484
    NEWPERFTICKCOUNTER(_perf_class_link_selftime, SUN_CLS, "classLinkedTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
    NEWPERFEVENTCOUNTER(_perf_classes_inited, SUN_CLS, "initializedClasses");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
    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
  1487
    NEWPERFEVENTCOUNTER(_perf_classes_verified, SUN_CLS, "verifiedClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1488
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1489
    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
  1490
    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
  1491
    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
  1492
    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
  1493
    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
  1494
    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
  1495
    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
  1496
    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
  1497
    NEWPERFTICKCOUNTER(_perf_define_appclasses, SUN_CLS, "defineAppClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1498
    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
  1499
    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
  1500
    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
  1501
    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
  1502
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
    // The following performance counters are added for measuring the impact
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
    // of the bug fix of 6365597. They are mainly focused on finding out
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
    // the behavior of system & user-defined classloader lock, whether
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
    // ClassLoader.loadClass/findClass is being called synchronized or not.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
    // Also two additional counters are created to see whether 'UnsyncloadClass'
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
    // flag is being set or not and how many times load_instance_class call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
    // fails with linkageError etc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
    NEWPERFEVENTCOUNTER(_sync_systemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
                        "systemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
    NEWPERFEVENTCOUNTER(_sync_nonSystemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
                        "nonSystemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
    NEWPERFEVENTCOUNTER(_sync_JVMFindLoadedClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
                        "jvmFindLoadedClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
    NEWPERFEVENTCOUNTER(_sync_JVMDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
                        "jvmDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
    NEWPERFEVENTCOUNTER(_sync_JNIDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
                        "jniDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
    NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
                        "unsafeDefineClassCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
    NEWPERFEVENTCOUNTER(_isUnsyncloadClass, SUN_CLS, "isUnsyncloadClassSet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
    NEWPERFEVENTCOUNTER(_load_instance_class_failCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
                        "loadInstanceClassFailRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
    // increment the isUnsyncloadClass counter if UnsyncloadClass is set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
    if (UnsyncloadClass) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
      _isUnsyncloadClass->inc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
  // lookup zip library entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
  load_zip_library();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1538
  // lookup jimage library entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1539
  load_jimage_library();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1540
#if INCLUDE_CDS
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
  // initialize search path
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1542
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1543
    _shared_paths_misc_info = SharedClassUtil::allocate_shared_paths_misc_info();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1544
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1545
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
  setup_bootstrap_search_path();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1549
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1550
void ClassLoader::initialize_shared_path() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1551
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1552
    ClassLoaderExt::setup_search_paths();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1553
    _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
  1554
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1555
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1556
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
jlong ClassLoader::classloader_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
    Management::ticks_to_ms(_perf_accumulated_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
jlong ClassLoader::class_init_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
  return UsePerfData ? _perf_classes_inited->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
jlong ClassLoader::class_init_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
    Management::ticks_to_ms(_perf_class_init_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
jlong ClassLoader::class_verify_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
    Management::ticks_to_ms(_perf_class_verify_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
jlong ClassLoader::class_link_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
  return UsePerfData ? _perf_classes_linked->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
jlong ClassLoader::class_link_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
    Management::ticks_to_ms(_perf_class_link_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
int ClassLoader::compute_Object_vtable() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
  // hardwired for JDK1.2 -- would need to duplicate class file parsing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
  // code to determine actual value from file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
  // Would be value '11' if finals were in vtable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
  int JDK_1_2_Object_vtable_size = 5;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
  return JDK_1_2_Object_vtable_size * vtableEntry::size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1595
void classLoader_init1() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
  ClassLoader::initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1599
// Complete the ClassPathEntry setup for the boot loader
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1600
void classLoader_init2() {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1601
  // Setup the list of module/path pairs for -Xpatch processing
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1602
  // This must be done after the SymbolTable is created in order
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1603
  // to use fast_compare on module names instead of a string compare.
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1604
  if (Arguments::get_xpatchprefix() != NULL) {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1605
    ClassLoader::setup_xpatch_entries();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1606
  }
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1607
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1608
  // Determine if this is an exploded build
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1609
  ClassLoader::set_has_jimage();
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1610
}
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1611
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1613
bool ClassLoader::get_canonical_path(const char* orig, char* out, int len) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
  assert(orig != NULL && out != NULL && len > 0, "bad arguments");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
  if (CanonicalizeEntry != NULL) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1616
    JavaThread* THREAD = JavaThread::current();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1617
    JNIEnv* env = THREAD->jni_environment();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1618
    ResourceMark rm(THREAD);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1619
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1620
    // os::native_path writes into orig_copy
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1621
    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
  1622
    strcpy(orig_copy, orig);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1623
    if ((CanonicalizeEntry)(env, os::native_path(orig_copy), out, len) < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1626
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1627
    // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1628
    strncpy(out, orig, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
    out[len - 1] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1630
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1632
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1634
void ClassLoader::create_javabase() {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1635
  Thread* THREAD = Thread::current();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1636
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1637
  // Create java.base's module entry for the boot
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1638
  // class loader prior to loading j.l.Ojbect.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1639
  ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1640
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1641
  // Get module entry table
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1642
  ModuleEntryTable* null_cld_modules = null_cld->modules();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1643
  if (null_cld_modules == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1644
    vm_exit_during_initialization("No ModuleEntryTable for the boot class loader");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1645
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1647
  {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1648
    MutexLocker ml(Module_lock, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1649
    ModuleEntry* jb_module = null_cld_modules->locked_create_entry_or_null(Handle(NULL), vmSymbols::java_base(), NULL, NULL, null_cld);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1650
    if (jb_module == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1651
      vm_exit_during_initialization("Unable to create ModuleEntry for java.base");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1652
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1653
    ModuleEntryTable::set_javabase_module(jb_module);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1654
  }
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1655
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1656
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1657
void ClassLoader::set_has_jimage() {
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1658
  // Determine if this is an exploded build. When looking for
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1659
  // the jimage file, only search the piece of the boot
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1660
  // loader's boot class path which contains [exploded build | jimage].
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1661
  // Do not search the boot loader's xpatch entries or append path.
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1662
  ClassPathEntry* e = _first_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1663
  ClassPathEntry* last_e = _first_append_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1664
  while ((e != NULL) && (e != last_e)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1665
    JImageFile *jimage = e->jimage();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1666
    if (jimage != NULL && e->is_jrt()) {
37773
e5b3e9732c3c 8154956: Module system implementation refresh (4/2016)
alanb
parents: 37490
diff changeset
  1667
      _has_jimage = true;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1668
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1669
      ClassLoader::initialize_module_loader_map(jimage);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1670
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1671
      return;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1672
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1673
    e = e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1674
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1677
#ifndef PRODUCT
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
// CompileTheWorld
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
// Iterates over all class path entries and forces compilation of all methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
// in all classes found. Currently, only zip/jar archives are searched.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
// The classes are loaded by the Java level bootstrap class loader, and the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
// initializer is called. If DelayCompilationDuringStartup is true (default),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
// the interpreter will run the initialization code. Note that forcing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
// initialization in this way could potentially lead to initialization order
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
// problems, in which case we could just force the initialization bit to be set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
// We need to iterate over the contents of a zip/jar file, so we replicate the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
// jzcell and jzfile definitions from zip_util.h but rename jzfile to real_jzfile,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
// since jzfile already has a void* definition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
// Note that this is only used in debug mode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
// HotSpot integration note:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
// Matches zip_util.h 1.14 99/06/01 from jdk1.3 beta H build
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
// JDK 1.3 version
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1702
typedef struct real_jzentry {         /* Zip file entry */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
    char *name;                 /* entry name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
    jint time;                  /* modification time */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
    jint size;                  /* size of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
    jint csize;                 /* size of compressed data (zero if uncompressed) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
    jint crc;                   /* crc of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
    char *comment;              /* optional zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
    jbyte *extra;               /* optional extra data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
    jint pos;                   /* position of LOC header (if negative) or data */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1711
} real_jzentry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1713
typedef struct real_jzfile {  /* Zip file */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
    char *name;                 /* zip file name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
    jint refs;                  /* number of active references */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
    jint fd;                    /* open file descriptor */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
    void *lock;                 /* read lock */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
    char *comment;              /* zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
    char *msg;                  /* zip error message */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
    void *entries;              /* array of hash cells */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
    jint total;                 /* total number of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
    unsigned short *table;      /* Hash chain heads: indexes into entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
    jint tablelen;              /* number of hash eads */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1724
    real_jzfile *next;        /* next zip file in search list */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
    jzentry *cache;             /* we cache the most recently freed jzentry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
    /* Information on metadata names in META-INF directory */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
    char **metanames;           /* array of meta names (may have null names) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
    jint metacount;             /* number of slots in metanames array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
    /* If there are any per-entry comments, they are in the comments array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
    char **comments;
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1731
} real_jzfile;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
void ClassPathDirEntry::compile_the_world(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  // For now we only compile all methods in all classes in zip/jar files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
  tty->print_cr("CompileTheWorld : Skipped classes in %s", _dir);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
void ClassPathZipEntry::compile_the_world(Handle loader, TRAPS) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1740
  real_jzfile* zip = (real_jzfile*) _zip;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1741
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", zip->name);
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1742
  tty->cr();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1743
  // Iterate over all entries in zip file
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1744
  for (int n = 0; ; n++) {
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1745
    real_jzentry * ze = (real_jzentry *)((*GetNextEntry)(_zip, n));
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1746
    if (ze == NULL) break;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1747
    ClassLoader::compile_the_world_in(ze->name, loader, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
  if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
    if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
      CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
      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
  1753
      tty->print_cr("Increase class metadata storage if a limit was set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
void ClassLoader::compile_the_world() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
  HandleMark hm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
  ResourceMark rm(THREAD);
36807
539a2817f0b4 8152004: CTW crashes with failed assertion after 8150646 integration
fzhinkin
parents: 36364
diff changeset
  1764
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
  // Find bootstrap loader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
  Handle system_class_loader (THREAD, SystemDictionary::java_system_loader());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  // Iterate over all bootstrap class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
  ClassPathEntry* e = _first_entry;
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1769
  jlong start = os::javaTimeMillis();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
  while (e != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1771
    // We stop at "modules" jimage, unless it is the first bootstrap path entry
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1772
    if (e->is_jrt() && e != _first_entry) break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
    e->compile_the_world(system_class_loader, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
  }
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1776
  jlong end = os::javaTimeMillis();
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
  1777
  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
  1778
                _compile_the_world_class_counter, _compile_the_world_method_counter, (end - start));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
    // Print statistics as if before normal exit:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
    extern void print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
    print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
  vm_exit(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1787
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
  1788
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
  1789
static int _codecache_sweep_counter = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1791
// Filter out all exceptions except OOMs
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1792
static void clear_pending_exception_if_not_oom(TRAPS) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1793
  if (HAS_PENDING_EXCEPTION &&
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1794
      !PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1795
    CLEAR_PENDING_EXCEPTION;
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1796
  }
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1797
  // The CHECK at the caller will propagate the exception out
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1798
}
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1799
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
  1800
/**
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1801
 * 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
  1802
 *
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1803
 * 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
  1804
 */
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1805
static bool can_be_compiled(methodHandle m, int 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
  1806
  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
  1807
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1808
  // 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
  1809
  // 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
  1810
  // 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
  1811
  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
  1812
  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
  1813
    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
  1814
  }
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1815
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1816
  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
  1817
}
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1818
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
void ClassLoader::compile_the_world_in(char* name, Handle loader, TRAPS) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1820
  if (string_ends_with(name, ".class")) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
    // We have a .class file
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1822
    int len = (int)strlen(name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
    char buffer[2048];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
    strncpy(buffer, name, len - 6);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
    buffer[len-6] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
    // If the file has a period after removing .class, it's not really a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
    // valid class file.  The class loader will check everything else.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
    if (strchr(buffer, '.') == NULL) {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1829
      _compile_the_world_class_counter++;
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1830
      if (_compile_the_world_class_counter > CompileTheWorldStopAt) return;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1831
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1832
      // Construct name without extension
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
  1833
      TempNewSymbol sym = SymbolTable::new_symbol(buffer, CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1834
      // Use loader to load and initialize class
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1835
      Klass* ik = SystemDictionary::resolve_or_null(sym, loader, Handle(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1836
      instanceKlassHandle k (THREAD, ik);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1837
      if (k.not_null() && !HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1838
        k->initialize(THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1839
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1840
      bool exception_occurred = HAS_PENDING_EXCEPTION;
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1841
      clear_pending_exception_if_not_oom(CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1842
      if (CompileTheWorldPreloadClasses && k.not_null()) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1843
        ConstantPool::preload_and_initialize_all_classes(k->constants(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1844
        if (HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1845
          // If something went wrong in preloading we just ignore it
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1846
          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
  1847
          tty->print_cr("Preloading failed for (%d) %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
        }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1849
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1850
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1851
      if (_compile_the_world_class_counter >= CompileTheWorldStartAt) {
8497
aa7fd2c3caa9 6725983: Assertion "method->method_holder())->is_not_initialized(),"method holder must be initialized"
never
parents: 8327
diff changeset
  1852
        if (k.is_null() || exception_occurred) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
          // 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
  1854
          tty->print_cr("CompileTheWorld (%d) : Skipping %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
        } else {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1856
          tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
          // Preload all classes to get around uncommon traps
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
          // Iterate over all methods in class
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1859
          int comp_level = CompilationPolicy::policy()->initial_compile_level();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
          for (int n = 0; n < k->methods()->length(); n++) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1861
            methodHandle m (THREAD, k->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
  1862
            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
  1863
              if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) {
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1864
                // Give sweeper a chance to keep up with CTW
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1865
                VM_ForceSafepoint op;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1866
                VMThread::execute(&op);
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1867
                _codecache_sweep_counter = 0;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1868
              }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
              // Force compilation
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1870
              CompileBroker::compile_method(m, InvocationEntryBci, comp_level,
38218
f5ba1dea04eb 8153013: BlockingCompilation test times out
neliasso
parents: 38133
diff changeset
  1871
                                            methodHandle(), 0, CompileTask::Reason_CTW, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
              if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1873
                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
  1874
                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
  1875
              } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1876
                _compile_the_world_method_counter++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
              }
10250
0794cd144834 7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents: 8921
diff changeset
  1878
              if (TieredCompilation && TieredStopAtLevel >= CompLevel_full_optimization) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1879
                // Clobber the first compile and force second tier compilation
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37418
diff changeset
  1880
                CompiledMethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  1881
                if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1882
                  // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1883
                  nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1884
                  m->clear_code();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1885
                }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5924
diff changeset
  1886
                CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization,
38218
f5ba1dea04eb 8153013: BlockingCompilation test times out
neliasso
parents: 38133
diff changeset
  1887
                                              methodHandle(), 0, CompileTask::Reason_CTW, THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1888
                if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1889
                  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
  1890
                  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
  1891
                } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1892
                  _compile_the_world_method_counter++;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1893
                }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
              }
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
  1895
            } 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
  1896
              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
  1897
            }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1898
38133
78b95467b9f1 8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents: 37418
diff changeset
  1899
            CompiledMethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  1900
            if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1901
              // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1902
              nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1903
              m->clear_code();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
#endif //PRODUCT
7910
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1913
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1914
// 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
  1915
// 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
  1916
void PerfClassTraceTime::initialize() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1917
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1918
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1919
  if (_eventp != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1920
    // increment the event counter
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1921
    _eventp->inc();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1922
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1923
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1924
  // stop the current active thread-local timer to measure inclusive time
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1925
  _prev_active_event = -1;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1926
  for (int i=0; i < EVENT_TYPE_COUNT; i++) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1927
     if (_timers[i].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1928
       assert(_prev_active_event == -1, "should have only one active timer");
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1929
       _prev_active_event = i;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1930
       _timers[i].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1931
     }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1932
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1933
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1934
  if (_recursion_counters == NULL || (_recursion_counters[_event_type])++ == 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1935
    // start the inclusive timer if not recursively called
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1936
    _t.start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1937
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1938
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1939
  // start thread-local timer of the given event type
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1940
   if (!_timers[_event_type].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1941
    _timers[_event_type].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1942
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1943
}
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1944
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1945
PerfClassTraceTime::~PerfClassTraceTime() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1946
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1947
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1948
  // stop the thread-local timer as the event completes
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1949
  // 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
  1950
  _timers[_event_type].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1951
  jlong selftime = _timers[_event_type].ticks();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1952
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1953
  if (_prev_active_event >= 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1954
    _timers[_prev_active_event].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1955
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1956
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1957
  if (_recursion_counters != NULL && --(_recursion_counters[_event_type]) > 0) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1958
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1959
  // increment the counters only on the leaf call
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1960
  _t.stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1961
  _timep->inc(_t.ticks());
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1962
  if (_selftimep != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1963
    _selftimep->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1964
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1965
  // 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
  1966
  ClassLoader::perf_accumulated_time()->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1967
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1968
  // reset the timer
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1969
  _timers[_event_type].reset();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1970
}