hotspot/src/share/vm/classfile/classLoader.cpp
author ccheung
Wed, 06 Apr 2016 11:40:45 -0700
changeset 37418 ebb041956080
parent 37248 11a660dbbb8e
child 37490 fd089d3f8cb3
child 38133 78b95467b9f1
permissions -rw-r--r--
8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive Reviewed-by: iklam, jiangli, mseledtsov
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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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// 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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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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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[JVM_MAXPATHLEN];
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  if (jio_snprintf(path, sizeof(path), "%s%s%s", _dir, os::file_separator(), name) == -1) {
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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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        // 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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  return NULL;
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}
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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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  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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  _multi_versioned = _unknown;
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}
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ClassPathZipEntry::~ClassPathZipEntry() {
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  if (ZipClose != NULL) {
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    (*ZipClose)(_zip);
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  }
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  FREE_C_HEAP_ARRAY(char, _zip_name);
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}
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u1* ClassPathZipEntry::open_entry(const char* name, jint* filesize, bool nul_terminate, TRAPS) {
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    // enable call to C land
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  JavaThread* thread = JavaThread::current();
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  ThreadToNativeFromVM ttn(thread);
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  // check whether zip archive contains name
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  jint name_len;
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  jzentry* entry = (*FindEntry)(_zip, name, filesize, &name_len);
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  if (entry == NULL) return NULL;
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  u1* buffer;
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  char name_buf[128];
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  char* filename;
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  if (name_len < 128) {
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    filename = name_buf;
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  } else {
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    filename = NEW_RESOURCE_ARRAY(char, name_len + 1);
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  }
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  // file found, get pointer to the entry in mmapped jar file.
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  if (ReadMappedEntry == NULL ||
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      !(*ReadMappedEntry)(_zip, entry, &buffer, filename)) {
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      // mmapped access not available, perhaps due to compression,
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      // read contents into resource array
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      int size = (*filesize) + ((nul_terminate) ? 1 : 0);
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      buffer = NEW_RESOURCE_ARRAY(u1, size);
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      if (!(*ReadEntry)(_zip, entry, buffer, filename)) return NULL;
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  }
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  // return result
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  if (nul_terminate) {
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    buffer[*filesize] = 0;
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  }
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  return buffer;
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}
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#if INCLUDE_CDS
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u1* ClassPathZipEntry::open_versioned_entry(const char* name, jint* filesize, TRAPS) {
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  u1* buffer = NULL;
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  if (!_is_boot_append) {
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    assert(DumpSharedSpaces, "Should be called only for non-boot entries during dump time");
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    // We presume default is multi-release enabled
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    const char* multi_ver = Arguments::get_property("jdk.util.jar.enableMultiRelease");
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    const char* verstr = Arguments::get_property("jdk.util.jar.version");
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    bool is_multi_ver = (multi_ver == NULL ||
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                         strcmp(multi_ver, "true") == 0 ||
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                         strcmp(multi_ver, "force")  == 0) &&
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                         is_multiple_versioned(THREAD);
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    // command line version setting
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    int version = 0;
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    const int base_version = 8; // JDK8
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    int cur_ver = JDK_Version::current().major_version();
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    if (verstr != NULL) {
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      version = atoi(verstr);
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      if (version < base_version || version > cur_ver) {
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        is_multi_ver = false;
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        // print out warning, do not use assertion here since it will continue to look
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        // for proper version.
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        warning("JDK%d is not supported in multiple version jars", version);
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      }
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    }
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    if (is_multi_ver) {
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parents: 36508
diff changeset
   307
      int n;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   308
      char entry_name[JVM_MAXPATHLEN];
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   309
      if (version > 0) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   310
        n = jio_snprintf(entry_name, sizeof(entry_name), "META-INF/versions/%d/%s", version, name);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   311
        entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   312
        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
   313
        if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   314
          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
   315
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   316
      }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   317
      if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   318
        for (int i = cur_ver; i >= base_version; i--) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   319
          n = jio_snprintf(entry_name, sizeof(entry_name), "META-INF/versions/%d/%s", i, name);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   320
          entry_name[n] = '\0';
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   321
          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
   322
          if (buffer != NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   323
            break;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   324
          }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   325
        }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   326
      }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   327
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   328
  }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   329
  return buffer;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   330
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   331
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   332
bool ClassPathZipEntry::is_multiple_versioned(TRAPS) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   333
  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
   334
  if (_multi_versioned != _unknown) {
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   335
    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
   336
  }
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   337
  jint size;
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   338
  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
   339
  if (buffer != NULL) {
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   340
    char* p = buffer;
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   341
    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
   342
    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
   343
      _multi_versioned = _yes;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   344
      return true;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   345
    }
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   346
  }
37418
ebb041956080 8152329: jvm should treat the "Multi-Release" jar manifest attribute name as case insensitive
ccheung
parents: 37248
diff changeset
   347
  _multi_versioned = _no;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   348
  return false;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   349
}
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   350
#endif // INCLUDE_CDS
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   351
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   352
ClassFileStream* ClassPathZipEntry::open_stream(const char* name, TRAPS) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   353
  jint filesize;
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   354
  u1* buffer = open_versioned_entry(name, &filesize, CHECK_NULL);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   355
  if (buffer == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   356
    buffer = open_entry(name, &filesize, false, CHECK_NULL);
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   357
    if (buffer == NULL) {
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   358
      return NULL;
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   359
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   360
  }
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   361
  if (UsePerfData) {
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   362
    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
   363
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   364
  // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   365
  return new ClassFileStream(buffer,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   366
                             filesize,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   367
                             _zip_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   368
                             ClassFileStream::verify);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
// invoke function for each entry in the zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
void ClassPathZipEntry::contents_do(void f(const char* name, void* context), void* context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  HandleMark  handle_mark(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
  ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
    jzentry * ze = ((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
    (*f)(ze->name, context);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   383
ClassPathImageEntry::ClassPathImageEntry(JImageFile* jimage, const char* name) :
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   384
  ClassPathEntry(),
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   385
  _jimage(jimage) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   386
  guarantee(jimage != NULL, "jimage file is null");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   387
  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
   388
  size_t len = strlen(name) + 1;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   389
  _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
   390
  strncpy((char *)_name, name, len);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   391
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   392
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   393
ClassPathImageEntry::~ClassPathImageEntry() {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   394
  if (_name != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   395
    FREE_C_HEAP_ARRAY(const char, _name);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   396
    _name = NULL;
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   397
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   398
  if (_jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   399
    (*JImageClose)(_jimage);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   400
    _jimage = NULL;
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   401
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   402
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   403
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   404
void ClassPathImageEntry::name_to_package(const char* name, char* buffer, int length) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   405
  const char *pslash = strrchr(name, '/');
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   406
  if (pslash == NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   407
    buffer[0] = '\0';
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   408
    return;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   409
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   410
  int len = pslash - name;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   411
#if INCLUDE_CDS
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   412
  if (len <= 0 && DumpSharedSpaces) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   413
    buffer[0] = '\0';
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   414
    return;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   415
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   416
#endif
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   417
  assert(len > 0, "Bad length for package name");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   418
  if (len >= length) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   419
    buffer[0] = '\0';
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   420
    return;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   421
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   422
  // drop name after last slash (including slash)
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   423
  // Ex., "java/lang/String.class" => "java/lang"
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   424
  strncpy(buffer, name, len);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   425
  // ensure string termination (strncpy does not guarantee)
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   426
  buffer[len] = '\0';
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   427
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   428
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   429
// 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
   430
//    /<module-name>/<package-name>/<base-class>
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   431
//
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   432
// Assumptions:
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   433
//     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
   434
//     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
   435
//
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   436
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
   437
  jlong size;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   438
  JImageLocationRef location = (*JImageFindResource)(_jimage, "", get_jimage_version_string(), name, &size);
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   439
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   440
  if (location == 0) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   441
    char package[JIMAGE_MAX_PATH];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   442
    name_to_package(name, package, JIMAGE_MAX_PATH);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   443
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   444
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   445
    if (package[0] == '\0' && DumpSharedSpaces) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   446
      return NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   447
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   448
#endif
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   449
    if (package[0] != '\0') {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   450
      if (!Universe::is_module_initialized()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   451
        location = (*JImageFindResource)(_jimage, "java.base", get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   452
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   453
        // CDS uses the boot class loader to load classes whose packages are in
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   454
        // modules defined for other class loaders.  So, for now, get their module
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   455
        // names from the "modules" jimage file.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   456
        if (DumpSharedSpaces && location == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   457
          const char* module_name = (*JImagePackageToModule)(_jimage, package);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   458
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   459
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   460
          }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   461
        }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   462
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   463
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   464
      } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   465
        // Get boot class loader's package entry table
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   466
        PackageEntryTable* pkgEntryTable =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   467
          ClassLoaderData::the_null_class_loader_data()->packages();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   468
        // Get package's package entry
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   469
        TempNewSymbol pkg_symbol = SymbolTable::new_symbol(package, CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   470
        PackageEntry* package_entry = pkgEntryTable->lookup_only(pkg_symbol);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   471
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   472
        if (package_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   473
          ResourceMark rm;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   474
          // Get the module name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   475
          ModuleEntry* module = package_entry->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   476
          assert(module != NULL, "Boot classLoader package missing module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   477
          assert(module->is_named(), "Boot classLoader package is in unnamed module");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   478
          const char* module_name = module->name()->as_C_string();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   479
          if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   480
            location = (*JImageFindResource)(_jimage, module_name, get_jimage_version_string(), name, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   481
          }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   482
        }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   483
      }
31608
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   484
    }
b5cb9a07591a 8080511: Refresh of jimage support
jfdenise
parents: 30764
diff changeset
   485
  }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   486
  if (location != 0) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   487
    if (UsePerfData) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   488
      ClassLoader::perf_sys_classfile_bytes_read()->inc(size);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   489
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   490
    char* data = NEW_RESOURCE_ARRAY(char, size);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   491
    (*JImageGetResource)(_jimage, location, data, size);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   492
    // Resource allocated
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   493
    return new ClassFileStream((u1*)data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   494
                               (int)size,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   495
                               _name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
   496
                               ClassFileStream::verify);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   497
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   498
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   499
  return NULL;
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   500
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   501
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   502
#ifndef PRODUCT
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   503
bool ctw_visitor(JImageFile* jimage,
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   504
        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
   505
        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
   506
  if (strcmp(extension, "class") == 0) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   507
    Thread* THREAD = Thread::current();
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   508
    char path[JIMAGE_MAX_PATH];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   509
    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
   510
    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
   511
    return !HAS_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   512
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   513
  return true;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   514
}
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   515
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   516
void ClassPathImageEntry::compile_the_world(Handle loader, TRAPS) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   517
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", name());
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   518
  tty->cr();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   519
  (*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
   520
  if (HAS_PENDING_EXCEPTION) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   521
    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
   522
      CLEAR_PENDING_EXCEPTION;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   523
      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
   524
      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
   525
    } else {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   526
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   527
    }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   528
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   529
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   530
#endif
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   531
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   532
bool ClassPathImageEntry::is_jrt() {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   533
  return ClassLoader::is_jrt(name());
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   534
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   535
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   536
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   537
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
   538
  assert(DumpSharedSpaces, "only called at dump time");
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   539
  tty->print_cr("Hint: enable -Xlog:classpath=info to diagnose the failure");
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   540
  vm_exit_during_initialization(error, message);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   541
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   542
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   544
void ClassLoader::trace_class_path(const char* msg, const char* name) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   545
  if (log_is_enabled(Info, classpath)) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   546
    ResourceMark rm;
37242
91e5f98fff6f 8152632: Rename LogHandle(...) to Log(...)
stefank
parents: 37237
diff changeset
   547
    outputStream* out = Log(classpath)::info_stream();
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   548
    if (msg) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   549
      out->print("%s", msg);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   550
    }
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   551
    if (name) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   552
      if (strlen(name) < 256) {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   553
        out->print("%s", name);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   554
      } else {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   555
        // For very long paths, we need to print each character separately,
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   556
        // as print_cr() has a length limit
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   557
        while (name[0] != '\0') {
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   558
          out->print("%c", name[0]);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   559
          name++;
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   560
        }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   561
      }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   562
    }
34287
06ababebbd58 8143963: improve ClassLoader::trace_class_path to accept an additional outputStream* arg
ccheung
parents: 32619
diff changeset
   563
    out->cr();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   564
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   565
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   566
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   567
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   568
void ClassLoader::check_shared_classpath(const char *path) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   569
  if (strcmp(path, "") == 0) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   570
    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
   571
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   572
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   573
  struct stat st;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   574
  if (os::stat(path, &st) == 0) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   575
    if ((st.st_mode & S_IFREG) != S_IFREG) { // is directory
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   576
      if (!os::dir_is_empty(path)) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   577
        tty->print_cr("Error: non-empty directory '%s'", path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   578
        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
   579
      }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   580
    }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   581
  }
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
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   584
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
void ClassLoader::setup_bootstrap_search_path() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
  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
   587
  const char* sys_class_path = Arguments::get_sysclasspath();
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   588
  const char* java_class_path = Arguments::get_appclasspath();
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   589
  if (PrintSharedArchiveAndExit) {
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   590
    // 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
   591
    // the same as the bootcp of the shared archive.
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   592
  } else {
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   593
    trace_class_path("bootstrap loader class path=", sys_class_path);
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   594
    trace_class_path("classpath: ", java_class_path);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   595
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   596
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   597
  if (DumpSharedSpaces) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   598
    _shared_paths_misc_info->add_boot_classpath(sys_class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
  }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   600
#endif
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   601
  setup_search_path(sys_class_path, true);
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   602
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   604
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   605
int ClassLoader::get_shared_paths_misc_info_size() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   606
  return _shared_paths_misc_info->get_used_bytes();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   607
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   608
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   609
void* ClassLoader::get_shared_paths_misc_info() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   610
  return _shared_paths_misc_info->buffer();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   611
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   612
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   613
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
   614
  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
   615
  bool result = checker->check();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   616
  delete checker;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   617
  return result;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   618
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   619
#endif
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   620
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   621
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
   622
  int offset = 0;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   623
  int len = (int)strlen(class_path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   624
  int end = 0;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   625
  bool mark_append_entry = false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
  // Iterate over class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  for (int start = 0; start < len; start = end) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   629
    while (class_path[end] && class_path[end] != os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   630
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   632
    EXCEPTION_MARK;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   633
    ResourceMark rm(THREAD);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   634
    mark_append_entry = (mark_append_entry ||
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   635
      (bootstrap_search && (start == Arguments::bootclassloader_append_index())));
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   636
    char* path = NEW_RESOURCE_ARRAY(char, end - start + 1);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   637
    strncpy(path, &class_path[start], end - start);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   638
    path[end - start] = '\0';
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   639
    update_class_path_entry_list(path, false, mark_append_entry, false, bootstrap_search);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   640
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   641
    // Check on the state of the boot loader's append path
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   642
    if (mark_append_entry && (_first_append_entry == NULL)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   643
      // Failure to mark the first append entry, most likely
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   644
      // due to a non-existent path. Record the next entry
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   645
      // as the first boot loader append entry.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   646
      mark_append_entry = true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   647
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   648
      mark_append_entry = false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   649
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   650
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   651
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   652
    if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   653
      check_shared_classpath(path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   654
    }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   655
#endif
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   656
    while (class_path[end] == os::path_separator()[0]) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   662
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
   663
                                                     bool throw_exception,
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   664
                                                     bool is_boot_append, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
  JavaThread* thread = JavaThread::current();
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   666
  ClassPathEntry* new_entry = NULL;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   667
  if ((st->st_mode & S_IFREG) == S_IFREG) {
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   668
    // Regular file, should be a zip or jimage file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
    // Canonicalized filename
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
    char canonical_path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
    if (!get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
      // This matches the classic VM
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   673
      if (throw_exception) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   674
        THROW_MSG_(vmSymbols::java_io_IOException(), "Bad pathname", NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   675
      } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   676
        return NULL;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   677
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
    }
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   679
    jint error;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   680
    JImageFile* jimage =(*JImageOpen)(canonical_path, &error);
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   681
    if (jimage != NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   682
      new_entry = new ClassPathImageEntry(jimage, canonical_path);
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   683
    } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   684
      char* error_msg = NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   685
      jzfile* zip;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   686
      {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   687
        // enable call to C land
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   688
        ThreadToNativeFromVM ttn(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   689
        HandleMark hm(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   690
        zip = (*ZipOpen)(canonical_path, &error_msg);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   691
      }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   692
      if (zip != NULL && error_msg == NULL) {
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   693
        new_entry = new ClassPathZipEntry(zip, path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
      } else {
31612
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   695
        ResourceMark rm(thread);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   696
        char *msg;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   697
        if (error_msg == NULL) {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   698
          msg = NEW_RESOURCE_ARRAY(char, strlen(path) + 128); ;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   699
          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
   700
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   701
          int len = (int)(strlen(path) + strlen(error_msg) + 128);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   702
          msg = NEW_RESOURCE_ARRAY(char, len); ;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   703
          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
   704
        }
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   705
        // 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
   706
        if (throw_exception && is_init_completed()) {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   707
          THROW_MSG_(vmSymbols::java_lang_ClassNotFoundException(), msg, NULL);
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   708
        } else {
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   709
          return NULL;
930eee00deb0 8073423: Remove LazyClassPathEntry support if no longer needed
hseigel
parents: 31608
diff changeset
   710
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
      }
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   712
    }
36364
5971776598e5 8150103: Convert TraceClassPaths to Unified Logging
mockner
parents: 35917
diff changeset
   713
    log_info(classpath)("opened: %s", path);
35917
463d67f86eaa 8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents: 35498
diff changeset
   714
    log_info(classload)("opened: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
    // Directory
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   717
    new_entry = new ClassPathDirEntry(path);
35917
463d67f86eaa 8079408: Reimplement TraceClassLoading, TraceClassUnloading, and TraceClassLoaderData with Unified Logging.
mockner
parents: 35498
diff changeset
   718
    log_info(classload)("path: %s", path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   719
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   720
  return new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   721
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
// Create a class path zip entry for a given path (return NULL if not found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
// or zip/JAR file cannot be opened)
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   726
ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path, bool is_boot_append) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   727
  // check for a regular file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
  struct stat st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   729
  if (os::stat(path, &st) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   730
    if ((st.st_mode & S_IFREG) == S_IFREG) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   731
      char canonical_path[JVM_MAXPATHLEN];
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   732
      if (get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
        char* error_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
        jzfile* zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
          // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
          JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
          ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
          HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
          zip = (*ZipOpen)(canonical_path, &error_msg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
        if (zip != NULL && error_msg == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
          // create using canonical path
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   744
          return new ClassPathZipEntry(zip, canonical_path, is_boot_append);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   752
// The boot class loader must adhere to specfic visibility rules.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   753
// Prior to loading a class in a named package, the package is checked
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   754
// 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
   755
// package is not in a module defined to the boot loader, the class
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   756
// must be loaded only in the boot loader's append path, which
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   757
// consists of [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   758
void ClassLoader::set_first_append_entry(ClassPathEntry *new_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   759
  if (_first_append_entry == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   760
    _first_append_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   761
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   762
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   763
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
// returns true if entry already on class path
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
bool ClassLoader::contains_entry(ClassPathEntry *entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
  ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
    // assume zip entries have been canonicalized
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
    if (strcmp(entry->name(), e->name()) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
void ClassLoader::add_to_list(ClassPathEntry *new_entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
  if (new_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
    if (_last_entry == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
      _first_entry = _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
      _last_entry->set_next(new_entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
      _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
  }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   786
  _num_entries ++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   789
void ClassLoader::prepend_to_list(ClassPathEntry *new_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   790
  if (new_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   791
    if (_last_entry == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   792
      _first_entry = _last_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   793
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   794
      new_entry->set_next(_first_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   795
      _first_entry = new_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   796
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   797
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   798
  _num_entries ++;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   799
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   800
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   801
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
   802
  update_class_path_entry_list((char*)apath, false, false, false, false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   803
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   804
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   805
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
   806
  update_class_path_entry_list((char*)apath, false, false, true, false);
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   807
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   808
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   809
// 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
   810
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
   811
                                               bool check_for_duplicates,
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   812
                                               bool mark_append_entry,
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   813
                                               bool prepend_entry,
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   814
                                               bool is_boot_append,
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   815
                                               bool throw_exception) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
  struct stat st;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   817
  if (os::stat(path, &st) == 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
    // File or directory found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
    ClassPathEntry* new_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   820
    Thread* THREAD = Thread::current();
37220
ec74292c0c9c 8075253: Multiversion JAR feature: CDS does not support MV-JARs
ccheung
parents: 36508
diff changeset
   821
    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
   822
    if (new_entry == NULL) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   823
      return false;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   824
    }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   825
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   826
    // Ensure that the first boot loader append entry will always be set correctly.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   827
    assert((!mark_append_entry ||
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   828
            (mark_append_entry && (!check_for_duplicates || !contains_entry(new_entry)))),
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   829
           "failed to mark boot loader's first append boundary");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   830
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   831
    // Do not reorder the bootclasspath which would break get_system_package().
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
    // Add new entry to linked list
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   833
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
    if (!check_for_duplicates || !contains_entry(new_entry)) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   835
      ClassLoaderExt::add_class_path_entry(path, check_for_duplicates, new_entry, prepend_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   836
      if (mark_append_entry) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   837
        set_first_append_entry(new_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   838
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
    }
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   840
    return true;
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   841
  } else {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   842
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   843
    if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   844
      _shared_paths_misc_info->add_nonexist_path(path);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   845
    }
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
   846
#endif
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   847
    return false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
void ClassLoader::print_bootclasspath() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
  ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
  tty->print("[bootclasspath= ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
    tty->print("%s ;", e->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  tty->print_cr("]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
void ClassLoader::load_zip_library() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
  assert(ZipOpen == NULL, "should not load zip library twice");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
  // First make sure native library is loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
  os::native_java_library();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
  // Load zip library
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
  char path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
  char ebuf[1024];
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
   868
  void* handle = NULL;
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
   869
  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
   870
    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
   871
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
  if (handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
    vm_exit_during_initialization("Unable to load ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
  // Lookup zip entry points
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   876
  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
   877
  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
   878
  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
   879
  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
   880
  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
   881
  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
   882
  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
   883
  Crc32        = CAST_TO_FN_PTR(Crc32_t, os::dll_lookup(handle, "ZIP_CRC32"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
  // 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
   886
  if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL ||
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   887
      GetNextEntry == NULL || Crc32 == NULL) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
    vm_exit_during_initialization("Corrupted ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   891
  if (ZipInflateFully == NULL) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   892
    vm_exit_during_initialization("Corrupted ZIP library ZIP_InflateFully missing", path);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   893
  }
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   894
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
  // Lookup canonicalize entry in libjava.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  void *javalib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   897
  CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
  // This lookup only works on 1.3. Do not check for non-null here
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   901
void ClassLoader::load_jimage_library() {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   902
  // First make sure native library is loaded
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   903
  os::native_java_library();
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   904
  // Load jimage library
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   905
  char path[JVM_MAXPATHLEN];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   906
  char ebuf[1024];
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   907
  void* handle = NULL;
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   908
  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
   909
    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
   910
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   911
  if (handle == NULL) {
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   912
    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
   913
  }
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   914
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   915
  // Lookup jimage entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   916
  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
   917
  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
   918
  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
   919
  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
   920
  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
   921
  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
   922
  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
   923
  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
   924
  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
   925
  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
   926
  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
   927
  guarantee(JImageResourceIterator != NULL, "function JIMAGE_ResourceIterator not found");
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   928
}
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
   929
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   930
jboolean ClassLoader::decompress(void *in, u8 inSize, void *out, u8 outSize, char **pmsg) {
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   931
  return (*ZipInflateFully)(in, inSize, out, outSize, pmsg);
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   932
}
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
   933
27025
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   934
int ClassLoader::crc32(int crc, const char* buf, int len) {
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   935
  assert(Crc32 != NULL, "ZIP_CRC32 is not found");
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   936
  return (*Crc32)(crc, (const jbyte*)buf, len);
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   937
}
f4805f778f16 8044269: Analysis of archive files.
jiangli
parents: 26583
diff changeset
   938
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   939
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   940
void ClassLoader::initialize_module_loader_map(JImageFile* jimage) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   941
  jlong size;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   942
  JImageLocationRef location = (*JImageFindResource)(jimage, "java.base", get_jimage_version_string(), MODULE_LOADER_MAP, &size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   943
  if (location == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   944
    vm_exit_during_initialization(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   945
      "Cannot find ModuleLoaderMap location from modules jimage.", NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   946
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   947
  char* buffer = NEW_RESOURCE_ARRAY(char, size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   948
  jlong read = (*JImageGetResource)(jimage, location, buffer, size);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   949
  if (read != size) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   950
    vm_exit_during_initialization(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   951
      "Cannot find ModuleLoaderMap resource from modules jimage.", NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   953
  char* char_buf = (char*)buffer;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   954
  int buflen = (int)strlen(char_buf);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   955
  char* begin_ptr = char_buf;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   956
  char* end_ptr = strchr(begin_ptr, '\n');
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   957
  bool process_boot_modules = false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   958
  _boot_modules_array = new (ResourceObj::C_HEAP, mtInternal)
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   959
    GrowableArray<char*>(INITIAL_BOOT_MODULES_ARRAY_SIZE, true);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   960
  _platform_modules_array = new (ResourceObj::C_HEAP, mtInternal)
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   961
    GrowableArray<char*>(INITIAL_PLATFORM_MODULES_ARRAY_SIZE, true);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   962
  while (end_ptr != NULL && (end_ptr - char_buf) < buflen) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   963
    // 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
   964
    // or the _platform_modules_array.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   965
    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
   966
    strncpy(temp_name, begin_ptr, end_ptr - begin_ptr);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   967
    temp_name[end_ptr - begin_ptr] = '\0';
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   968
    if (strncmp(temp_name, "BOOT", 4) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   969
      process_boot_modules = true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   970
      FREE_C_HEAP_ARRAY(char, temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   971
    } else if (strncmp(temp_name, "PLATFORM", 8) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   972
      process_boot_modules = false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   973
      FREE_C_HEAP_ARRAY(char, temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   974
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   975
      // module name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   976
      if (process_boot_modules) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   977
        _boot_modules_array->append(temp_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   978
      } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   979
        _platform_modules_array->append(temp_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
    }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   982
    begin_ptr = ++end_ptr;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   983
    end_ptr = strchr(begin_ptr, '\n');
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   985
  FREE_RESOURCE_ARRAY(u1, buffer, size);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
}
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
   987
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   989
// Function add_package extracts the package from the fully qualified class name
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   990
// 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
   991
// then it sets the classpath_index in the package entry record.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   992
//
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   993
// 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
   994
// path for packages with classes loaded by the boot loader from -Xbootclasspath/a
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   995
// in an unnamed module.  It is also used to indicate (for all packages whose
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   996
// 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
   997
// classes has been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   998
bool ClassLoader::add_package(const char *fullq_class_name, s2 classpath_index, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
   999
  assert(fullq_class_name != NULL, "just checking");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1000
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1001
  // Get package name from fully qualified class name.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1002
  const char *cp = strrchr(fullq_class_name, '/');
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
  if (cp != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1004
    int len = cp - fullq_class_name;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1005
    PackageEntryTable* pkg_entry_tbl =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1006
      ClassLoaderData::the_null_class_loader_data()->packages();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1007
    TempNewSymbol pkg_symbol =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1008
      SymbolTable::new_symbol(fullq_class_name, len, CHECK_false);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1009
    PackageEntry* pkg_entry = pkg_entry_tbl->lookup_only(pkg_symbol);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1010
    if (pkg_entry != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1011
      assert(classpath_index != -1, "Unexpected classpath_index");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1012
      pkg_entry->set_classpath_index(classpath_index);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1013
    } else {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1014
      return false;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1015
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1016
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1017
  return true;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1018
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1019
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1020
oop ClassLoader::get_system_package(const char* name, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1021
  // Look up the name in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1022
  if (name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1023
    TempNewSymbol package_sym = SymbolTable::new_symbol(name, (int)strlen(name), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1024
    // Look for the package entry in the boot loader's package entry table.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1025
    PackageEntry* package =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1026
      ClassLoaderData::the_null_class_loader_data()->packages()->lookup_only(package_sym);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1027
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1028
    // Return NULL if package does not exist or if no classes in that package
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1029
    // have been loaded.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1030
    if (package != NULL && package->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1031
      ModuleEntry* module = package->module();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1032
      if (module->location() != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1033
        ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1034
        Handle ml = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1035
          module->location()->as_C_string(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1036
        return ml();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1037
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1038
      // Return entry on boot loader class path.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1039
      Handle cph = java_lang_String::create_from_str(
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1040
        ClassLoader::classpath_entry(package->classpath_index())->name(), THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1041
      return cph();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1042
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1047
objArrayOop ClassLoader::get_system_packages(TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1048
  ResourceMark rm(THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1049
  // List of pointers to PackageEntrys that have loaded classes.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1050
  GrowableArray<PackageEntry*>* loaded_class_pkgs = new GrowableArray<PackageEntry*>(50);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
  {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1052
    MutexLocker ml(Module_lock, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1053
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1054
    PackageEntryTable* pe_table =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1055
      ClassLoaderData::the_null_class_loader_data()->packages();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1057
    // Collect the packages that have at least one loaded class.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1058
    for (int x = 0; x < pe_table->table_size(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1059
      for (PackageEntry* package_entry = pe_table->bucket(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1060
           package_entry != NULL;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1061
           package_entry = package_entry->next()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1062
        if (package_entry->has_loaded_class()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1063
          loaded_class_pkgs->append(package_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1064
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1070
  // Allocate objArray and fill with java.lang.String
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1071
  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1072
                                           loaded_class_pkgs->length(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1073
  objArrayHandle result(THREAD, r);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1074
  for (int x = 0; x < loaded_class_pkgs->length(); x++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1075
    PackageEntry* package_entry = loaded_class_pkgs->at(x);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1076
    Handle str = java_lang_String::create_from_symbol(package_entry->name(), CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1077
    result->obj_at_put(x, str());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1079
  return result();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1082
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1083
s2 ClassLoader::module_to_classloader(const char* module_name) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1085
  assert(_boot_modules_array != NULL, "_boot_modules_array is NULL");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1086
  assert(_platform_modules_array != NULL, "_platform_modules_array is NULL");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1087
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1088
  int array_size = _boot_modules_array->length();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1089
  for (int i = 0; i < array_size; i++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1090
    if (strcmp(module_name, _boot_modules_array->at(i)) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1091
      return BOOT_LOADER;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
  }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1094
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1095
  array_size = _platform_modules_array->length();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1096
  for (int i = 0; i < array_size; i++) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1097
    if (strcmp(module_name, _platform_modules_array->at(i)) == 0) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1098
      return PLATFORM_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1099
    }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1102
  return APP_LOADER;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
}
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1104
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1105
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1106
s2 ClassLoader::classloader_type(Symbol* class_name, ClassPathEntry* e,
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1107
                                     int classpath_index, TRAPS) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1108
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1109
  // obtain the classloader type based on the class name.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1110
  // First obtain the package name based on the class name. Then obtain
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1111
  // the classloader type based on the package name from the jimage using
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1112
  // a jimage API. If the classloader type cannot be found from the
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1113
  // jimage, it is determined by the class path entry.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1114
  jshort loader_type = ClassLoader::APP_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1115
  if (e->is_jrt()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1116
    int length = 0;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1117
    const jbyte* pkg_string = InstanceKlass::package_from_name(class_name, length);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1118
    if (pkg_string != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1119
      ResourceMark rm;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1120
      TempNewSymbol pkg_name = SymbolTable::new_symbol((const char*)pkg_string, length, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1121
      const char* pkg_name_C_string = (const char*)(pkg_name->as_C_string());
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1122
      ClassPathImageEntry* cpie = (ClassPathImageEntry*)e;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1123
      JImageFile* jimage = cpie->jimage();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1124
      char* module_name = (char*)(*JImagePackageToModule)(jimage, pkg_name_C_string);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1125
      if (module_name != NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1126
        loader_type = ClassLoader::module_to_classloader(module_name);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1127
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1128
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1129
  } else if (ClassLoaderExt::is_boot_classpath(classpath_index)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1130
    loader_type = ClassLoader::BOOT_LOADER;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1131
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1132
  return loader_type;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1133
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1134
  return ClassLoader::BOOT_LOADER; // the classloader type is ignored in non-CDS cases
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1135
}
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1136
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1138
// caller needs ResourceMark
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1139
const char* ClassLoader::file_name_for_class_name(const char* class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1140
                                                  int class_name_len) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1141
  assert(class_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1142
  assert((int)strlen(class_name) == class_name_len, "invariant");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1144
  static const char class_suffix[] = ".class";
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1145
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1146
  char* const file_name = NEW_RESOURCE_ARRAY(char,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1147
                                             class_name_len +
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1148
                                             sizeof(class_suffix)); // includes term NULL
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1149
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1150
  strncpy(file_name, class_name, class_name_len);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1151
  strncpy(&file_name[class_name_len], class_suffix, sizeof(class_suffix));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1152
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1153
  return file_name;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1154
}
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1155
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1156
instanceKlassHandle ClassLoader::load_class(Symbol* name, bool search_append_only, TRAPS) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1157
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1158
  assert(name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1159
  assert(THREAD->is_Java_thread(), "must be a JavaThread");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1160
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1161
  ResourceMark rm;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1162
  HandleMark hm;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1163
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1164
  const char* const class_name = name->as_C_string();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1165
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1166
  EventMark m("loading class %s", class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
  ThreadProfilerMark tpm(ThreadProfilerMark::classLoaderRegion);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1169
  const char* const file_name = file_name_for_class_name(class_name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1170
                                                         name->utf8_length());
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1171
  assert(file_name != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1172
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1173
  ClassLoaderExt::Context context(class_name, file_name, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1175
  // Lookup stream for parsing .class file
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
  ClassFileStream* stream = NULL;
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1177
  s2 classpath_index = 0;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1178
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1179
  // If DumpSharedSpaces is true, boot loader visibility boundaries are set
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1180
  // to be _first_entry to the end (all path entries).
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1181
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1182
  // If search_append_only is true, boot loader visibility boundaries are
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1183
  // set to be _fist_append_entry to the end. This includes:
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1184
  //   [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1185
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1186
  // If both DumpSharedSpaces and search_append_only are false, boot loader
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1187
  // visibility boundaries are set to be _first_entry to the entry before
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1188
  // the _first_append_entry.  This would include:
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1189
  //   [-Xpatch:<dirs>];  [exploded build | modules]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1190
  //
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1191
  // DumpSharedSpaces and search_append_only are mutually exclusive and cannot
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1192
  // be true at the same time.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1193
  ClassPathEntry* e = (search_append_only ? _first_append_entry : _first_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1194
  ClassPathEntry* last_e =
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1195
      (search_append_only || DumpSharedSpaces ? NULL : _first_append_entry);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1196
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
  {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1198
    if (search_append_only) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1199
      // For the boot loader append path search, must calculate
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1200
      // the starting classpath_index prior to attempting to
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1201
      // load the classfile.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1202
      ClassPathEntry *tmp_e = _first_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1203
      while ((tmp_e != NULL) && (tmp_e != _first_append_entry)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1204
        tmp_e = tmp_e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1205
        ++classpath_index;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1206
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1207
    }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1208
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1209
    // Attempt to load the classfile from either:
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1210
    //   - [-Xpatch:dir]; exploded build | modules
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1211
    //     or
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1212
    //   - [-Xbootclasspath/a]; [jvmti appended entries]
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1213
    while ((e != NULL) && (e != last_e)) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1214
      stream = e->open_stream(file_name, CHECK_NULL);
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1215
      if (!context.check(stream, classpath_index)) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1216
        return NULL;
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1217
      }
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1218
      if (NULL != stream) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1219
        break;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1220
      }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1221
      e = e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1222
      ++classpath_index;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1226
  if (NULL == stream) {
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1227
    if (DumpSharedSpaces) {
27618
790a8bf5488b 8064375: Change certain errors to warnings in CDS output.
jiangli
parents: 27025
diff changeset
  1228
      tty->print_cr("Preload Warning: Cannot find %s", class_name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
    }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1230
    return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1233
  stream->set_verify(context.should_verify(classpath_index));
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1234
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1235
  ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1236
  Handle protection_domain;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1237
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1238
  instanceKlassHandle result = KlassFactory::create_from_stream(stream,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1239
                                                                name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1240
                                                                loader_data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1241
                                                                protection_domain,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1242
                                                                NULL, // host_klass
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1243
                                                                NULL, // cp_patches
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1244
                                                                NULL, // parsed_name
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1245
                                                                THREAD);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1246
  if (HAS_PENDING_EXCEPTION) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1247
    if (DumpSharedSpaces) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1248
      tty->print_cr("Preload Error: Failed to load %s", class_name);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1249
    }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1250
    return NULL;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1251
  }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34319
diff changeset
  1252
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1253
  jshort loader_type = classloader_type(name, e, classpath_index, CHECK_NULL);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1254
  return context.record_result(classpath_index, loader_type, e, result, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
// Initialize the class loader's access to methods in libzip.  Parse and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
// process the boot classpath into a list ClassPathEntry objects.  Once
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
// this list has been created, it must not change order (see class PackageInfo)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
// it can be appended to and is by jvmti and the kernel vm.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
void ClassLoader::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  if (UsePerfData) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
    // jvmstat performance counters
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
    NEWPERFTICKCOUNTER(_perf_accumulated_time, SUN_CLS, "time");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
    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
  1269
    NEWPERFTICKCOUNTER(_perf_class_init_selftime, SUN_CLS, "classInitTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
    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
  1271
    NEWPERFTICKCOUNTER(_perf_class_verify_selftime, SUN_CLS, "classVerifyTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
    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
  1273
    NEWPERFTICKCOUNTER(_perf_class_link_selftime, SUN_CLS, "classLinkedTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
    NEWPERFEVENTCOUNTER(_perf_classes_inited, SUN_CLS, "initializedClasses");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
    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
  1276
    NEWPERFEVENTCOUNTER(_perf_classes_verified, SUN_CLS, "verifiedClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1277
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1278
    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
  1279
    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
  1280
    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
  1281
    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
  1282
    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
  1283
    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
  1284
    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
  1285
    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
  1286
    NEWPERFTICKCOUNTER(_perf_define_appclasses, SUN_CLS, "defineAppClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
  1287
    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
  1288
    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
  1289
    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
  1290
    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
  1291
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
    // The following performance counters are added for measuring the impact
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
    // of the bug fix of 6365597. They are mainly focused on finding out
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
    // the behavior of system & user-defined classloader lock, whether
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
    // ClassLoader.loadClass/findClass is being called synchronized or not.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
    // Also two additional counters are created to see whether 'UnsyncloadClass'
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
    // flag is being set or not and how many times load_instance_class call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
    // fails with linkageError etc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
    NEWPERFEVENTCOUNTER(_sync_systemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
                        "systemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
    NEWPERFEVENTCOUNTER(_sync_nonSystemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
                        "nonSystemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
    NEWPERFEVENTCOUNTER(_sync_JVMFindLoadedClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
                        "jvmFindLoadedClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
    NEWPERFEVENTCOUNTER(_sync_JVMDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
                        "jvmDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
    NEWPERFEVENTCOUNTER(_sync_JNIDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
                        "jniDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
    NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
                        "unsafeDefineClassCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
    NEWPERFEVENTCOUNTER(_isUnsyncloadClass, SUN_CLS, "isUnsyncloadClassSet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
    NEWPERFEVENTCOUNTER(_load_instance_class_failCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
                        "loadInstanceClassFailRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
    // increment the isUnsyncloadClass counter if UnsyncloadClass is set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
    if (UnsyncloadClass) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
      _isUnsyncloadClass->inc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
  // lookup zip library entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1326
  load_zip_library();
32619
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1327
  // lookup jimage library entry points
47acec81dcca 8087181: Move native jimage code to its own library (maybe libjimage)
jlaskey
parents: 31612
diff changeset
  1328
  load_jimage_library();
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1329
#if INCLUDE_CDS
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
  // initialize search path
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1331
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1332
    _shared_paths_misc_info = SharedClassUtil::allocate_shared_paths_misc_info();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1333
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1334
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
  setup_bootstrap_search_path();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
26135
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1338
#if INCLUDE_CDS
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1339
void ClassLoader::initialize_shared_path() {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1340
  if (DumpSharedSpaces) {
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1341
    ClassLoaderExt::setup_search_paths();
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1342
    _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
  1343
  }
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1344
}
82b516c550f7 8046070: Class Data Sharing clean up and refactoring
iklam
parents: 25949
diff changeset
  1345
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
jlong ClassLoader::classloader_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
    Management::ticks_to_ms(_perf_accumulated_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
jlong ClassLoader::class_init_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
  return UsePerfData ? _perf_classes_inited->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
jlong ClassLoader::class_init_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
    Management::ticks_to_ms(_perf_class_init_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
jlong ClassLoader::class_verify_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
    Management::ticks_to_ms(_perf_class_verify_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
jlong ClassLoader::class_link_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
  return UsePerfData ? _perf_classes_linked->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
jlong ClassLoader::class_link_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
    Management::ticks_to_ms(_perf_class_link_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
int ClassLoader::compute_Object_vtable() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
  // hardwired for JDK1.2 -- would need to duplicate class file parsing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
  // code to determine actual value from file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
  // Would be value '11' if finals were in vtable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
  int JDK_1_2_Object_vtable_size = 5;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
  return JDK_1_2_Object_vtable_size * vtableEntry::size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1381
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
void classLoader_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
  ClassLoader::initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1389
bool ClassLoader::get_canonical_path(const char* orig, char* out, int len) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
  assert(orig != NULL && out != NULL && len > 0, "bad arguments");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
  if (CanonicalizeEntry != NULL) {
26419
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1392
    JavaThread* THREAD = JavaThread::current();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1393
    JNIEnv* env = THREAD->jni_environment();
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1394
    ResourceMark rm(THREAD);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1395
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1396
    // os::native_path writes into orig_copy
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1397
    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
  1398
    strcpy(orig_copy, orig);
25abc4a3285c 8056971: Minor class loading clean-up
iklam
parents: 26135
diff changeset
  1399
    if ((CanonicalizeEntry)(env, os::native_path(orig_copy), out, len) < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
    // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
    strncpy(out, orig, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
    out[len - 1] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1410
void ClassLoader::create_javabase() {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1411
  Thread* THREAD = Thread::current();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1412
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1413
  // Create java.base's module entry for the boot
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1414
  // class loader prior to loading j.l.Ojbect.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1415
  ClassLoaderData* null_cld = ClassLoaderData::the_null_class_loader_data();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1416
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1417
  // Get module entry table
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1418
  ModuleEntryTable* null_cld_modules = null_cld->modules();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1419
  if (null_cld_modules == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1420
    vm_exit_during_initialization("No ModuleEntryTable for the boot class loader");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1421
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1423
  {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1424
    MutexLocker ml(Module_lock, THREAD);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1425
    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
  1426
    if (jb_module == NULL) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1427
      vm_exit_during_initialization("Unable to create ModuleEntry for java.base");
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1428
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1429
    ModuleEntryTable::set_javabase_module(jb_module);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1430
  }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1431
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1432
  // When looking for the jimage file, only
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1433
  // search the boot loader's module path which
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1434
  // can consist of [-Xpatch]; exploded build | modules
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1435
  // Do not search the boot loader's append path.
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1436
  ClassPathEntry* e = _first_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1437
  ClassPathEntry* last_e = _first_append_entry;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1438
  while ((e != NULL) && (e != last_e)) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1439
    JImageFile *jimage = e->jimage();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1440
    if (jimage != NULL && e->is_jrt()) {
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1441
      set_has_jimage(true);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1442
#if INCLUDE_CDS
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1443
      ClassLoader::initialize_module_loader_map(jimage);
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1444
#endif
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1445
      return;
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1446
    }
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1447
    e = e->next();
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1448
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1451
#ifndef PRODUCT
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1452
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1453
// CompileTheWorld
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1454
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
// Iterates over all class path entries and forces compilation of all methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
// in all classes found. Currently, only zip/jar archives are searched.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
// The classes are loaded by the Java level bootstrap class loader, and the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
// initializer is called. If DelayCompilationDuringStartup is true (default),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
// the interpreter will run the initialization code. Note that forcing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
// initialization in this way could potentially lead to initialization order
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
// problems, in which case we could just force the initialization bit to be set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
// We need to iterate over the contents of a zip/jar file, so we replicate the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
// jzcell and jzfile definitions from zip_util.h but rename jzfile to real_jzfile,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
// since jzfile already has a void* definition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
// Note that this is only used in debug mode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
// HotSpot integration note:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
// Matches zip_util.h 1.14 99/06/01 from jdk1.3 beta H build
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
// JDK 1.3 version
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1476
typedef struct real_jzentry {         /* Zip file entry */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
    char *name;                 /* entry name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
    jint time;                  /* modification time */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
    jint size;                  /* size of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
    jint csize;                 /* size of compressed data (zero if uncompressed) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
    jint crc;                   /* crc of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
    char *comment;              /* optional zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
    jbyte *extra;               /* optional extra data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
    jint pos;                   /* position of LOC header (if negative) or data */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1485
} real_jzentry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1487
typedef struct real_jzfile {  /* Zip file */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
    char *name;                 /* zip file name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
    jint refs;                  /* number of active references */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
    jint fd;                    /* open file descriptor */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
    void *lock;                 /* read lock */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
    char *comment;              /* zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
    char *msg;                  /* zip error message */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1494
    void *entries;              /* array of hash cells */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
    jint total;                 /* total number of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
    unsigned short *table;      /* Hash chain heads: indexes into entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
    jint tablelen;              /* number of hash eads */
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1498
    real_jzfile *next;        /* next zip file in search list */
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
    jzentry *cache;             /* we cache the most recently freed jzentry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
    /* Information on metadata names in META-INF directory */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
    char **metanames;           /* array of meta names (may have null names) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
    jint metacount;             /* number of slots in metanames array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
    /* If there are any per-entry comments, they are in the comments array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
    char **comments;
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1505
} real_jzfile;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
void ClassPathDirEntry::compile_the_world(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
  // For now we only compile all methods in all classes in zip/jar files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
  tty->print_cr("CompileTheWorld : Skipped classes in %s", _dir);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
void ClassPathZipEntry::compile_the_world(Handle loader, TRAPS) {
25057
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1514
  real_jzfile* zip = (real_jzfile*) _zip;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1515
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", zip->name);
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1516
  tty->cr();
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1517
  // Iterate over all entries in zip file
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1518
  for (int n = 0; ; n++) {
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1519
    real_jzentry * ze = (real_jzentry *)((*GetNextEntry)(_zip, n));
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1520
    if (ze == NULL) break;
f38210f84f8c 8031819: Remove legacy jdk checks and code
hseigel
parents: 24424
diff changeset
  1521
    ClassLoader::compile_the_world_in(ze->name, loader, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
  if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
    if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
      CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
      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
  1527
      tty->print_cr("Increase class metadata storage if a limit was set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
void ClassLoader::compile_the_world() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
  HandleMark hm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
  ResourceMark rm(THREAD);
36807
539a2817f0b4 8152004: CTW crashes with failed assertion after 8150646 integration
fzhinkin
parents: 36364
diff changeset
  1538
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
  // Find bootstrap loader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
  Handle system_class_loader (THREAD, SystemDictionary::java_system_loader());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
  // Iterate over all bootstrap class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
  ClassPathEntry* e = _first_entry;
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1543
  jlong start = os::javaTimeMillis();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
  while (e != NULL) {
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 36364
diff changeset
  1545
    // 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
  1546
    if (e->is_jrt() && e != _first_entry) break;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
    e->compile_the_world(system_class_loader, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
  }
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1550
  jlong end = os::javaTimeMillis();
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
  1551
  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
  1552
                _compile_the_world_class_counter, _compile_the_world_method_counter, (end - start));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
    // Print statistics as if before normal exit:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
    extern void print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
    print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
  vm_exit(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1560
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1561
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
  1562
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
  1563
static int _codecache_sweep_counter = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1565
// Filter out all exceptions except OOMs
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1566
static void clear_pending_exception_if_not_oom(TRAPS) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1567
  if (HAS_PENDING_EXCEPTION &&
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1568
      !PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1569
    CLEAR_PENDING_EXCEPTION;
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1570
  }
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1571
  // The CHECK at the caller will propagate the exception out
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1572
}
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1573
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
  1574
/**
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1575
 * 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
  1576
 *
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1577
 * 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
  1578
 */
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1579
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
  1580
  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
  1581
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1582
  // 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
  1583
  // 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
  1584
  // 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
  1585
  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
  1586
  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
  1587
    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
  1588
  }
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1589
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1590
  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
  1591
}
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1592
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
void ClassLoader::compile_the_world_in(char* name, Handle loader, TRAPS) {
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1594
  if (string_ends_with(name, ".class")) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
    // We have a .class file
27562
47f369e3c69c 8049367: Modular Run-Time Images
chegar
parents: 27025
diff changeset
  1596
    int len = (int)strlen(name);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
    char buffer[2048];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
    strncpy(buffer, name, len - 6);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
    buffer[len-6] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
    // If the file has a period after removing .class, it's not really a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
    // valid class file.  The class loader will check everything else.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
    if (strchr(buffer, '.') == NULL) {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1603
      _compile_the_world_class_counter++;
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1604
      if (_compile_the_world_class_counter > CompileTheWorldStopAt) return;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1605
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1606
      // Construct name without extension
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
  1607
      TempNewSymbol sym = SymbolTable::new_symbol(buffer, CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1608
      // Use loader to load and initialize class
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1609
      Klass* ik = SystemDictionary::resolve_or_null(sym, loader, Handle(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1610
      instanceKlassHandle k (THREAD, ik);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1611
      if (k.not_null() && !HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1612
        k->initialize(THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1613
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1614
      bool exception_occurred = HAS_PENDING_EXCEPTION;
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1615
      clear_pending_exception_if_not_oom(CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1616
      if (CompileTheWorldPreloadClasses && k.not_null()) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1617
        ConstantPool::preload_and_initialize_all_classes(k->constants(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1618
        if (HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1619
          // If something went wrong in preloading we just ignore it
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1620
          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
  1621
          tty->print_cr("Preloading failed for (%d) %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
        }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1623
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1624
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1625
      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
  1626
        if (k.is_null() || exception_occurred) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1627
          // 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
  1628
          tty->print_cr("CompileTheWorld (%d) : Skipping %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
        } else {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1630
          tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
          // Preload all classes to get around uncommon traps
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1632
          // Iterate over all methods in class
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1633
          int comp_level = CompilationPolicy::policy()->initial_compile_level();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1634
          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
  1635
            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
  1636
            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
  1637
              if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) {
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1638
                // 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
  1639
                VM_ForceSafepoint op;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1640
                VMThread::execute(&op);
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1641
                _codecache_sweep_counter = 0;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1642
              }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1643
              // Force compilation
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1644
              CompileBroker::compile_method(m, InvocationEntryBci, comp_level,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
                                            methodHandle(), 0, "CTW", THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
              if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1647
                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
  1648
                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
  1649
              } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1650
                _compile_the_world_method_counter++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
              }
10250
0794cd144834 7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents: 8921
diff changeset
  1652
              if (TieredCompilation && TieredStopAtLevel >= CompLevel_full_optimization) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1653
                // Clobber the first compile and force second tier compilation
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1654
                nmethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  1655
                if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1656
                  // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1657
                  nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1658
                  m->clear_code();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1659
                }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5924
diff changeset
  1660
                CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization,
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1661
                                              methodHandle(), 0, "CTW", THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1662
                if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1663
                  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
  1664
                  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
  1665
                } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1666
                  _compile_the_world_method_counter++;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1667
                }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
              }
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
  1669
            } 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
  1670
              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
  1671
            }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1672
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1673
            nmethod* nm = m->code();
26581
cb21ee34883d 8057750: CTW should not make MH intrinsics not entrant
iveresov
parents: 26135
diff changeset
  1674
            if (nm != NULL && !m->is_method_handle_intrinsic()) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1675
              // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1676
              nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1677
              m->clear_code();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
#endif //PRODUCT
7910
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1687
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1688
// 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
  1689
// 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
  1690
void PerfClassTraceTime::initialize() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1691
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1692
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1693
  if (_eventp != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1694
    // increment the event counter
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1695
    _eventp->inc();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1696
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1697
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1698
  // stop the current active thread-local timer to measure inclusive time
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1699
  _prev_active_event = -1;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1700
  for (int i=0; i < EVENT_TYPE_COUNT; i++) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1701
     if (_timers[i].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1702
       assert(_prev_active_event == -1, "should have only one active timer");
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1703
       _prev_active_event = i;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1704
       _timers[i].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1705
     }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1706
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1707
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1708
  if (_recursion_counters == NULL || (_recursion_counters[_event_type])++ == 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1709
    // start the inclusive timer if not recursively called
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1710
    _t.start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1711
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1712
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1713
  // start thread-local timer of the given event type
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1714
   if (!_timers[_event_type].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1715
    _timers[_event_type].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1716
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1717
}
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1718
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1719
PerfClassTraceTime::~PerfClassTraceTime() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1720
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1721
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1722
  // stop the thread-local timer as the event completes
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1723
  // 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
  1724
  _timers[_event_type].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1725
  jlong selftime = _timers[_event_type].ticks();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1726
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1727
  if (_prev_active_event >= 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1728
    _timers[_prev_active_event].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1729
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1730
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1731
  if (_recursion_counters != NULL && --(_recursion_counters[_event_type]) > 0) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1732
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1733
  // increment the counters only on the leaf call
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1734
  _t.stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1735
  _timep->inc(_t.ticks());
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1736
  if (_selftimep != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1737
    _selftimep->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1738
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1739
  // 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
  1740
  ClassLoader::perf_accumulated_time()->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1741
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1742
  // reset the timer
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1743
  _timers[_event_type].reset();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1744
}