hotspot/src/share/vm/classfile/classLoader.cpp
author drchase
Fri, 09 May 2014 16:50:54 -0400
changeset 24424 2658d7834c6e
parent 22838 82c7497fbad4
child 25057 f38210f84f8c
permissions -rw-r--r--
8037816: Fix for 8036122 breaks build with Xcode5/clang Summary: Repaired or selectively disabled offending formats; future-proofed with additional checking Reviewed-by: kvn, jrose, stefank
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
     2
 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 4736
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 4736
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 4736
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    25
#include "precompiled.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    26
#include "classfile/classFileParser.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    27
#include "classfile/classFileStream.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    28
#include "classfile/classLoader.hpp"
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14471
diff changeset
    29
#include "classfile/classLoaderData.inline.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    30
#include "classfile/javaClasses.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    31
#include "classfile/systemDictionary.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    32
#include "classfile/vmSymbols.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    33
#include "compiler/compileBroker.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    34
#include "gc_interface/collectedHeap.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    35
#include "interpreter/bytecodeStream.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    36
#include "interpreter/oopMapCache.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    37
#include "memory/allocation.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    38
#include "memory/generation.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    39
#include "memory/oopFactory.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    40
#include "memory/universe.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    41
#include "oops/instanceKlass.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    42
#include "oops/instanceRefKlass.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    43
#include "oops/oop.inline.hpp"
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
    44
#include "oops/symbol.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    45
#include "prims/jvm_misc.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    46
#include "runtime/arguments.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    47
#include "runtime/compilationPolicy.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    48
#include "runtime/fprofiler.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    49
#include "runtime/handles.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    50
#include "runtime/handles.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    51
#include "runtime/init.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    52
#include "runtime/interfaceSupport.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    53
#include "runtime/java.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    54
#include "runtime/javaCalls.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    55
#include "runtime/threadCritical.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    56
#include "runtime/timer.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    57
#include "services/management.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    58
#include "services/threadService.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    59
#include "utilities/events.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    60
#include "utilities/hashtable.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    61
#include "utilities/hashtable.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    62
#ifdef TARGET_OS_FAMILY_linux
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    63
# include "os_linux.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    64
#endif
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    65
#ifdef TARGET_OS_FAMILY_solaris
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    66
# include "os_solaris.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    67
#endif
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    68
#ifdef TARGET_OS_FAMILY_windows
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    69
# include "os_windows.inline.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6453
diff changeset
    70
#endif
22827
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 19158
diff changeset
    71
#ifdef TARGET_OS_FAMILY_aix
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 19158
diff changeset
    72
# include "os_aix.inline.hpp"
07d991d45a51 8023033: PPC64 (part 13): basic changes for AIX
goetz
parents: 19158
diff changeset
    73
#endif
10565
dc90c239f4ec 7089790: integrate bsd-port changes
never
parents: 10250
diff changeset
    74
#ifdef TARGET_OS_FAMILY_bsd
dc90c239f4ec 7089790: integrate bsd-port changes
never
parents: 10250
diff changeset
    75
# include "os_bsd.inline.hpp"
dc90c239f4ec 7089790: integrate bsd-port changes
never
parents: 10250
diff changeset
    76
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    77
489c9b5090e2 Initial load
duke
parents:
diff changeset
    78
489c9b5090e2 Initial load
duke
parents:
diff changeset
    79
// Entry points in zip.dll for loading zip/jar file entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
    80
489c9b5090e2 Initial load
duke
parents:
diff changeset
    81
typedef void * * (JNICALL *ZipOpen_t)(const char *name, char **pmsg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    82
typedef void (JNICALL *ZipClose_t)(jzfile *zip);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    83
typedef jzentry* (JNICALL *FindEntry_t)(jzfile *zip, const char *name, jint *sizeP, jint *nameLen);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    84
typedef jboolean (JNICALL *ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    85
typedef jboolean (JNICALL *ReadMappedEntry_t)(jzfile *zip, jzentry *entry, unsigned char **buf, char *namebuf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    86
typedef jzentry* (JNICALL *GetNextEntry_t)(jzfile *zip, jint n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    87
489c9b5090e2 Initial load
duke
parents:
diff changeset
    88
static ZipOpen_t         ZipOpen            = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    89
static ZipClose_t        ZipClose           = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    90
static FindEntry_t       FindEntry          = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    91
static ReadEntry_t       ReadEntry          = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    92
static ReadMappedEntry_t ReadMappedEntry    = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    93
static GetNextEntry_t    GetNextEntry       = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    94
static canonicalize_fn_t CanonicalizeEntry  = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    95
489c9b5090e2 Initial load
duke
parents:
diff changeset
    96
// Globals
489c9b5090e2 Initial load
duke
parents:
diff changeset
    97
489c9b5090e2 Initial load
duke
parents:
diff changeset
    98
PerfCounter*    ClassLoader::_perf_accumulated_time = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    99
PerfCounter*    ClassLoader::_perf_classes_inited = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   100
PerfCounter*    ClassLoader::_perf_class_init_time = NULL;
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   101
PerfCounter*    ClassLoader::_perf_class_init_selftime = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   102
PerfCounter*    ClassLoader::_perf_classes_verified = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   103
PerfCounter*    ClassLoader::_perf_class_verify_time = NULL;
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   104
PerfCounter*    ClassLoader::_perf_class_verify_selftime = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   105
PerfCounter*    ClassLoader::_perf_classes_linked = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   106
PerfCounter*    ClassLoader::_perf_class_link_time = NULL;
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   107
PerfCounter*    ClassLoader::_perf_class_link_selftime = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   108
PerfCounter*    ClassLoader::_perf_class_parse_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   109
PerfCounter*    ClassLoader::_perf_class_parse_selftime = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   110
PerfCounter*    ClassLoader::_perf_sys_class_lookup_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   111
PerfCounter*    ClassLoader::_perf_shared_classload_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   112
PerfCounter*    ClassLoader::_perf_sys_classload_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   113
PerfCounter*    ClassLoader::_perf_app_classload_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   114
PerfCounter*    ClassLoader::_perf_app_classload_selftime = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   115
PerfCounter*    ClassLoader::_perf_app_classload_count = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   116
PerfCounter*    ClassLoader::_perf_define_appclasses = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   117
PerfCounter*    ClassLoader::_perf_define_appclass_time = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   118
PerfCounter*    ClassLoader::_perf_define_appclass_selftime = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   119
PerfCounter*    ClassLoader::_perf_app_classfile_bytes_read = NULL;
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   120
PerfCounter*    ClassLoader::_perf_sys_classfile_bytes_read = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   121
PerfCounter*    ClassLoader::_sync_systemLoaderLockContentionRate = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   122
PerfCounter*    ClassLoader::_sync_nonSystemLoaderLockContentionRate = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   123
PerfCounter*    ClassLoader::_sync_JVMFindLoadedClassLockFreeCounter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   124
PerfCounter*    ClassLoader::_sync_JVMDefineClassLockFreeCounter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   125
PerfCounter*    ClassLoader::_sync_JNIDefineClassLockFreeCounter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   126
PerfCounter*    ClassLoader::_unsafe_defineClassCallCounter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   127
PerfCounter*    ClassLoader::_isUnsyncloadClass = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   128
PerfCounter*    ClassLoader::_load_instance_class_failCounter = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   129
489c9b5090e2 Initial load
duke
parents:
diff changeset
   130
ClassPathEntry* ClassLoader::_first_entry         = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   131
ClassPathEntry* ClassLoader::_last_entry          = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   132
PackageHashtable* ClassLoader::_package_hash_table = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   133
489c9b5090e2 Initial load
duke
parents:
diff changeset
   134
// helper routines
489c9b5090e2 Initial load
duke
parents:
diff changeset
   135
bool string_starts_with(const char* str, const char* str_to_find) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   136
  size_t str_len = strlen(str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   137
  size_t str_to_find_len = strlen(str_to_find);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   138
  if (str_to_find_len > str_len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   139
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   140
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   141
  return (strncmp(str, str_to_find, str_to_find_len) == 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   142
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   143
489c9b5090e2 Initial load
duke
parents:
diff changeset
   144
bool string_ends_with(const char* str, const char* str_to_find) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   145
  size_t str_len = strlen(str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   146
  size_t str_to_find_len = strlen(str_to_find);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   147
  if (str_to_find_len > str_len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   148
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   149
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   150
  return (strncmp(str + (str_len - str_to_find_len), str_to_find, str_to_find_len) == 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   151
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   152
489c9b5090e2 Initial load
duke
parents:
diff changeset
   153
489c9b5090e2 Initial load
duke
parents:
diff changeset
   154
MetaIndex::MetaIndex(char** meta_package_names, int num_meta_package_names) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   155
  if (num_meta_package_names == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   156
    _meta_package_names = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   157
    _num_meta_package_names = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   158
  } else {
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   159
    _meta_package_names = NEW_C_HEAP_ARRAY(char*, num_meta_package_names, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   160
    _num_meta_package_names = num_meta_package_names;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   161
    memcpy(_meta_package_names, meta_package_names, num_meta_package_names * sizeof(char*));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   162
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   163
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   164
489c9b5090e2 Initial load
duke
parents:
diff changeset
   165
489c9b5090e2 Initial load
duke
parents:
diff changeset
   166
MetaIndex::~MetaIndex() {
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   167
  FREE_C_HEAP_ARRAY(char*, _meta_package_names, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   168
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   169
489c9b5090e2 Initial load
duke
parents:
diff changeset
   170
489c9b5090e2 Initial load
duke
parents:
diff changeset
   171
bool MetaIndex::may_contain(const char* class_name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   172
  if ( _num_meta_package_names == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   173
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   174
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   175
  size_t class_name_len = strlen(class_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   176
  for (int i = 0; i < _num_meta_package_names; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   177
    char* pkg = _meta_package_names[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   178
    size_t pkg_len = strlen(pkg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   179
    size_t min_len = MIN2(class_name_len, pkg_len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   180
    if (!strncmp(class_name, pkg, min_len)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   181
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   182
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   183
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   184
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   185
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   186
489c9b5090e2 Initial load
duke
parents:
diff changeset
   187
489c9b5090e2 Initial load
duke
parents:
diff changeset
   188
ClassPathEntry::ClassPathEntry() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   189
  set_next(NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   190
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   191
489c9b5090e2 Initial load
duke
parents:
diff changeset
   192
489c9b5090e2 Initial load
duke
parents:
diff changeset
   193
bool ClassPathEntry::is_lazy() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   194
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   195
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   196
489c9b5090e2 Initial load
duke
parents:
diff changeset
   197
ClassPathDirEntry::ClassPathDirEntry(char* dir) : ClassPathEntry() {
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   198
  _dir = NEW_C_HEAP_ARRAY(char, strlen(dir)+1, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   199
  strcpy(_dir, dir);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   200
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   201
489c9b5090e2 Initial load
duke
parents:
diff changeset
   202
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   203
ClassFileStream* ClassPathDirEntry::open_stream(const char* name, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   204
  // construct full path name
489c9b5090e2 Initial load
duke
parents:
diff changeset
   205
  char path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   206
  if (jio_snprintf(path, sizeof(path), "%s%s%s", _dir, os::file_separator(), name) == -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   207
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   208
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   209
  // check if file exists
489c9b5090e2 Initial load
duke
parents:
diff changeset
   210
  struct stat st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   211
  if (os::stat(path, &st) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   212
    // found file, open it
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   213
    int file_handle = os::open(path, 0, 0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   214
    if (file_handle != -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   215
      // read contents into resource array
489c9b5090e2 Initial load
duke
parents:
diff changeset
   216
      u1* buffer = NEW_RESOURCE_ARRAY(u1, st.st_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   217
      size_t num_read = os::read(file_handle, (char*) buffer, st.st_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   218
      // close file
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   219
      os::close(file_handle);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   220
      // construct ClassFileStream
489c9b5090e2 Initial load
duke
parents:
diff changeset
   221
      if (num_read == (size_t)st.st_size) {
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   222
        if (UsePerfData) {
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   223
          ClassLoader::perf_sys_classfile_bytes_read()->inc(num_read);
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   224
        }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   225
        return new ClassFileStream(buffer, st.st_size, _dir);    // Resource allocated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   226
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   227
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   228
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   229
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   230
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   231
489c9b5090e2 Initial load
duke
parents:
diff changeset
   232
489c9b5090e2 Initial load
duke
parents:
diff changeset
   233
ClassPathZipEntry::ClassPathZipEntry(jzfile* zip, const char* zip_name) : ClassPathEntry() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   234
  _zip = zip;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   235
  _zip_name = NEW_C_HEAP_ARRAY(char, strlen(zip_name)+1, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   236
  strcpy(_zip_name, zip_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   237
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   238
489c9b5090e2 Initial load
duke
parents:
diff changeset
   239
ClassPathZipEntry::~ClassPathZipEntry() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   240
  if (ZipClose != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   241
    (*ZipClose)(_zip);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   242
  }
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   243
  FREE_C_HEAP_ARRAY(char, _zip_name, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   244
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   245
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   246
ClassFileStream* ClassPathZipEntry::open_stream(const char* name, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   247
  // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   248
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   249
  ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   250
  // check whether zip archive contains name
489c9b5090e2 Initial load
duke
parents:
diff changeset
   251
  jint filesize, name_len;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   252
  jzentry* entry = (*FindEntry)(_zip, name, &filesize, &name_len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   253
  if (entry == NULL) return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   254
  u1* buffer;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   255
  char name_buf[128];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   256
  char* filename;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   257
  if (name_len < 128) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   258
    filename = name_buf;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   259
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   260
    filename = NEW_RESOURCE_ARRAY(char, name_len + 1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   261
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   262
489c9b5090e2 Initial load
duke
parents:
diff changeset
   263
  // file found, get pointer to class in mmaped jar file.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   264
  if (ReadMappedEntry == NULL ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   265
      !(*ReadMappedEntry)(_zip, entry, &buffer, filename)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   266
      // mmaped access not available, perhaps due to compression,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   267
      // read contents into resource array
489c9b5090e2 Initial load
duke
parents:
diff changeset
   268
      buffer     = NEW_RESOURCE_ARRAY(u1, filesize);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   269
      if (!(*ReadEntry)(_zip, entry, buffer, filename)) return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   270
  }
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   271
  if (UsePerfData) {
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   272
    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
   273
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   274
  // return result
489c9b5090e2 Initial load
duke
parents:
diff changeset
   275
  return new ClassFileStream(buffer, filesize, _zip_name);    // Resource allocated
489c9b5090e2 Initial load
duke
parents:
diff changeset
   276
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   277
489c9b5090e2 Initial load
duke
parents:
diff changeset
   278
// invoke function for each entry in the zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   279
void ClassPathZipEntry::contents_do(void f(const char* name, void* context), void* context) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   280
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   281
  HandleMark  handle_mark(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   282
  ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   283
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   284
    jzentry * ze = ((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   285
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   286
    (*f)(ze->name, context);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   287
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   288
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   289
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   290
LazyClassPathEntry::LazyClassPathEntry(char* path, const struct stat* st) : ClassPathEntry() {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   291
  _path = strdup(path);
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   292
  _st = *st;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   293
  _meta_index = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   294
  _resolved_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   295
  _has_error = false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   296
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   297
489c9b5090e2 Initial load
duke
parents:
diff changeset
   298
bool LazyClassPathEntry::is_jar_file() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   299
  return ((_st.st_mode & S_IFREG) == S_IFREG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   300
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   301
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   302
ClassPathEntry* LazyClassPathEntry::resolve_entry(TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   303
  if (_resolved_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   304
    return (ClassPathEntry*) _resolved_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   305
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   306
  ClassPathEntry* new_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   307
  new_entry = ClassLoader::create_class_path_entry(_path, &_st, false, CHECK_NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   308
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   309
    ThreadCritical tc;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   310
    if (_resolved_entry == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   311
      _resolved_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   312
      return new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   313
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   314
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   315
  assert(_resolved_entry != NULL, "bug in MT-safe resolution logic");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   316
  delete new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   317
  return (ClassPathEntry*) _resolved_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   318
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   319
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   320
ClassFileStream* LazyClassPathEntry::open_stream(const char* name, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   321
  if (_meta_index != NULL &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   322
      !_meta_index->may_contain(name)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   323
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   324
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   325
  if (_has_error) {
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   326
    return NULL;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   327
  }
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   328
  ClassPathEntry* cpe = resolve_entry(THREAD);
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   329
  if (cpe == NULL) {
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   330
    _has_error = true;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   331
    return NULL;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   332
  } else {
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   333
    return cpe->open_stream(name, THREAD);
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   334
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   335
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   336
489c9b5090e2 Initial load
duke
parents:
diff changeset
   337
bool LazyClassPathEntry::is_lazy() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   338
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   339
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   340
489c9b5090e2 Initial load
duke
parents:
diff changeset
   341
static void print_meta_index(LazyClassPathEntry* entry,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
                             GrowableArray<char*>& meta_packages) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   343
  tty->print("[Meta index for %s=", entry->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   344
  for (int i = 0; i < meta_packages.length(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   345
    if (i > 0) tty->print(" ");
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
   346
    tty->print("%s", meta_packages.at(i));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   347
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   348
  tty->print_cr("]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   349
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   350
489c9b5090e2 Initial load
duke
parents:
diff changeset
   351
489c9b5090e2 Initial load
duke
parents:
diff changeset
   352
void ClassLoader::setup_meta_index() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   353
  // Set up meta index which allows us to open boot jars lazily if
489c9b5090e2 Initial load
duke
parents:
diff changeset
   354
  // class data sharing is enabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
   355
  const char* known_version = "% VERSION 2";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   356
  char* meta_index_path = Arguments::get_meta_index_path();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
  char* meta_index_dir  = Arguments::get_meta_index_dir();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
  FILE* file = fopen(meta_index_path, "r");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   359
  int line_no = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   360
  if (file != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   361
    ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   362
    LazyClassPathEntry* cur_entry = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   363
    GrowableArray<char*> boot_class_path_packages(10);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
    char package_name[256];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
    bool skipCurrentJar = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   366
    while (fgets(package_name, sizeof(package_name), file) != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
      ++line_no;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
      // Remove trailing newline
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
      package_name[strlen(package_name) - 1] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
      switch(package_name[0]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
        case '%':
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
          if ((line_no == 1) && (strcmp(package_name, known_version) != 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
            if (TraceClassLoading && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
              tty->print("[Unsupported meta index version]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
            fclose(file);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
            return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
        // These directives indicate jar files which contain only
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
        // classes, only non-classfile resources, or a combination of
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
        // the two. See src/share/classes/sun/misc/MetaIndex.java and
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
        // make/tools/MetaIndex/BuildMetaIndex.java in the J2SE
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
        // workspace.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
        case '#':
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
        case '!':
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
        case '@':
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
          // Hand off current packages to current lazy entry (if any)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
          if ((cur_entry != NULL) &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
              (boot_class_path_packages.length() > 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
            if (TraceClassLoading && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
              print_meta_index(cur_entry, boot_class_path_packages);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
            MetaIndex* index = new MetaIndex(boot_class_path_packages.adr_at(0),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
                                             boot_class_path_packages.length());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
            cur_entry->set_meta_index(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
          cur_entry = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
          boot_class_path_packages.clear();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
          // Find lazy entry corresponding to this jar file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
          for (ClassPathEntry* entry = _first_entry; entry != NULL; entry = entry->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
            if (entry->is_lazy() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
                string_starts_with(entry->name(), meta_index_dir) &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
                string_ends_with(entry->name(), &package_name[2])) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
              cur_entry = (LazyClassPathEntry*) entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
              break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
          // If the first character is '@', it indicates the following jar
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
          // file is a resource only jar file in which case, we should skip
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
          // reading the subsequent entries since the resource loading is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
          // totally handled by J2SE side.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
          if (package_name[0] == '@') {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
            if (cur_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
              cur_entry->set_meta_index(new MetaIndex(NULL, 0));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
            cur_entry = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
            skipCurrentJar = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
          } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
            skipCurrentJar = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
          break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
        default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   433
          if (!skipCurrentJar && cur_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   434
            char* new_name = strdup(package_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   435
            boot_class_path_packages.append(new_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
    // Hand off current packages to current lazy entry (if any)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
    if ((cur_entry != NULL) &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
        (boot_class_path_packages.length() > 0)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
      if (TraceClassLoading && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
        print_meta_index(cur_entry, boot_class_path_packages);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   445
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   446
      MetaIndex* index = new MetaIndex(boot_class_path_packages.adr_at(0),
489c9b5090e2 Initial load
duke
parents:
diff changeset
   447
                                       boot_class_path_packages.length());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   448
      cur_entry->set_meta_index(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   449
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   450
    fclose(file);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   451
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   452
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   453
489c9b5090e2 Initial load
duke
parents:
diff changeset
   454
void ClassLoader::setup_bootstrap_search_path() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
  assert(_first_entry == NULL, "should not setup bootstrap class search path twice");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
  char* sys_class_path = os::strdup(Arguments::get_sysclasspath());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   457
  if (TraceClassLoading && Verbose) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   458
    tty->print_cr("[Bootstrap loader class path=%s]", sys_class_path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   459
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
  int len = (int)strlen(sys_class_path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
  int end = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
  // Iterate over class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
  for (int start = 0; start < len; start = end) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   466
    while (sys_class_path[end] && sys_class_path[end] != os::path_separator()[0]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
    }
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   469
    char* path = NEW_C_HEAP_ARRAY(char, end-start+1, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
    strncpy(path, &sys_class_path[start], end-start);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   471
    path[end-start] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
    update_class_path_entry_list(path, false);
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   473
    FREE_C_HEAP_ARRAY(char, path, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
    while (sys_class_path[end] == os::path_separator()[0]) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
      end++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   480
ClassPathEntry* ClassLoader::create_class_path_entry(char *path, const struct stat* st, bool lazy, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
  if (lazy) {
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   483
    return new LazyClassPathEntry(path, st);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   485
  ClassPathEntry* new_entry = NULL;
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   486
  if ((st->st_mode & S_IFREG) == S_IFREG) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
    // Regular file, should be a zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
    // Canonicalized filename
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
    char canonical_path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
    if (!get_canonical_path(path, canonical_path, JVM_MAXPATHLEN)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
      // This matches the classic VM
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   492
      THROW_MSG_(vmSymbols::java_io_IOException(), "Bad pathname", NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
    char* error_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
    jzfile* zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
      // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
      ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
      HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
      zip = (*ZipOpen)(canonical_path, &error_msg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
    if (zip != NULL && error_msg == NULL) {
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   503
      new_entry = new ClassPathZipEntry(zip, path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
      if (TraceClassLoading) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
        tty->print_cr("[Opened %s]", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
      ResourceMark rm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
      char *msg;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
      if (error_msg == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
        msg = NEW_RESOURCE_ARRAY(char, strlen(path) + 128); ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
        jio_snprintf(msg, strlen(path) + 127, "error in opening JAR file %s", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
        int len = (int)(strlen(path) + strlen(error_msg) + 128);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
        msg = NEW_RESOURCE_ARRAY(char, len); ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
        jio_snprintf(msg, len - 1, "error in opening JAR file <%s> %s", error_msg, path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
      }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   518
      THROW_MSG_(vmSymbols::java_lang_ClassNotFoundException(), msg, NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   520
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   521
    // Directory
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   522
    new_entry = new ClassPathDirEntry(path);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   523
    if (TraceClassLoading) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   524
      tty->print_cr("[Path %s]", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   525
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
  }
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   527
  return new_entry;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
489c9b5090e2 Initial load
duke
parents:
diff changeset
   530
489c9b5090e2 Initial load
duke
parents:
diff changeset
   531
// Create a class path zip entry for a given path (return NULL if not found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   532
// or zip/JAR file cannot be opened)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
ClassPathZipEntry* ClassLoader::create_class_path_zip_entry(const char *path) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
  // check for a regular file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
  struct stat st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   536
  if (os::stat(path, &st) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
    if ((st.st_mode & S_IFREG) == S_IFREG) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
      char orig_path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
      char canonical_path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
      strcpy(orig_path, path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
      if (get_canonical_path(orig_path, canonical_path, JVM_MAXPATHLEN)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   543
        char* error_msg = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
        jzfile* zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
        {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
          // enable call to C land
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
          JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
          ThreadToNativeFromVM ttn(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
          HandleMark hm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
          zip = (*ZipOpen)(canonical_path, &error_msg);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
        if (zip != NULL && error_msg == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
          // create using canonical path
489c9b5090e2 Initial load
duke
parents:
diff changeset
   554
          return new ClassPathZipEntry(zip, canonical_path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   555
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   560
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   561
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
// returns true if entry already on class path
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
bool ClassLoader::contains_entry(ClassPathEntry *entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
  ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   566
    // assume zip entries have been canonicalized
489c9b5090e2 Initial load
duke
parents:
diff changeset
   567
    if (strcmp(entry->name(), e->name()) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   570
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
void ClassLoader::add_to_list(ClassPathEntry *new_entry) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
  if (new_entry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
    if (_last_entry == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
      _first_entry = _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
      _last_entry->set_next(new_entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
      _last_entry = new_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   586
void ClassLoader::update_class_path_entry_list(char *path,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
                                               bool check_for_duplicates) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
  struct stat st;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   589
  if (os::stat(path, &st) == 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
    // File or directory found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
    ClassPathEntry* new_entry = NULL;
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   592
    Thread* THREAD = Thread::current();
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   593
    new_entry = create_class_path_entry(path, &st, LazyBootClassLoader, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
    // The kernel VM adds dynamically to the end of the classloader path and
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
    // doesn't reorder the bootclasspath which would break java.lang.Package
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
    // (see PackageInfo).
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
    // Add new entry to linked list
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
    if (!check_for_duplicates || !contains_entry(new_entry)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
      add_to_list(new_entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
void ClassLoader::print_bootclasspath() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
  ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
  tty->print("[bootclasspath= ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
    tty->print("%s ;", e->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
  tty->print_cr("]");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
void ClassLoader::load_zip_library() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
  assert(ZipOpen == NULL, "should not load zip library twice");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
  // First make sure native library is loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
  os::native_java_library();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
  // Load zip library
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
  char path[JVM_MAXPATHLEN];
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
  char ebuf[1024];
14471
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
   621
  void* handle = NULL;
f3a6b82e25cf 8001185: parsing of sun.boot.library.path in os::dll_build_name somewhat broken
bpittore
parents: 13728
diff changeset
   622
  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
   623
    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
   624
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   625
  if (handle == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   626
    vm_exit_during_initialization("Unable to load ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   627
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   628
  // Lookup zip entry points
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   629
  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
   630
  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
   631
  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
   632
  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
   633
  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
   634
  GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   635
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
  // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
   637
  if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL || GetNextEntry == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   638
    vm_exit_during_initialization("Corrupted ZIP library", path);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
  // Lookup canonicalize entry in libjava.dll
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
  void *javalib_handle = os::native_java_library();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
   643
  CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   644
  // This lookup only works on 1.3. Do not check for non-null here
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
// PackageInfo data exists in order to support the java.lang.Package
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
// class.  A Package object provides information about a java package
489c9b5090e2 Initial load
duke
parents:
diff changeset
   649
// (version, vendor, etc.) which originates in the manifest of the jar
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
// file supplying the package.  For application classes, the ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
// object takes care of this.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
// For system (boot) classes, the Java code in the Package class needs
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
// to be able to identify which source jar file contained the boot
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
// class, so that it can extract the manifest from it.  This table
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
// identifies java packages with jar files in the boot classpath.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
// Because the boot classpath cannot change, the classpath index is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
// sufficient to identify the source jar file or directory.  (Since
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
// directories have no manifests, the directory name is not required,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
// but is available.)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
// When using sharing -- the pathnames of entries in the boot classpath
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
// may not be the same at runtime as they were when the archive was
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
// created (NFS, Samba, etc.).  The actual files and directories named
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
// in the classpath must be the same files, in the same order, even
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
// though the exact name is not the same.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   669
class PackageInfo: public BasicHashtableEntry<mtClass> {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
  const char* _pkgname;       // Package name
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
  int _classpath_index;       // Index of directory or JAR file loaded from
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
  PackageInfo* next() {
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   675
    return (PackageInfo*)BasicHashtableEntry<mtClass>::next();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
  const char* pkgname()           { return _pkgname; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
  void set_pkgname(char* pkgname) { _pkgname = pkgname; }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
  const char* filename() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
    return ClassLoader::classpath_entry(_classpath_index)->name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
  void set_index(int index) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
    _classpath_index = index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   691
class PackageHashtable : public BasicHashtable<mtClass> {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
  inline unsigned int compute_hash(const char *s, int n) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
    unsigned int val = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
    while (--n >= 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
      val = *s++ + 31 * val;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
    return val;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
  PackageInfo* bucket(int index) {
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   702
    return (PackageInfo*)BasicHashtable<mtClass>::bucket(index);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
  PackageInfo* get_entry(int index, unsigned int hash,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
                         const char* pkgname, size_t n) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
    for (PackageInfo* pp = bucket(index); pp != NULL; pp = pp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
      if (pp->hash() == hash &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
          strncmp(pkgname, pp->pkgname(), n) == 0 &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
          pp->pkgname()[n] == '\0') {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
        return pp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   714
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   718
  PackageHashtable(int table_size)
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   719
    : BasicHashtable<mtClass>(table_size, sizeof(PackageInfo)) {}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   720
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   721
  PackageHashtable(int table_size, HashtableBucket<mtClass>* t, int number_of_entries)
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   722
    : BasicHashtable<mtClass>(table_size, sizeof(PackageInfo), t, number_of_entries) {}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
  PackageInfo* get_entry(const char* pkgname, int n) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
    unsigned int hash = compute_hash(pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
    return get_entry(hash_to_index(hash), hash, pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   727
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
489c9b5090e2 Initial load
duke
parents:
diff changeset
   729
  PackageInfo* new_entry(char* pkgname, int n) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   730
    unsigned int hash = compute_hash(pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   731
    PackageInfo* pp;
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   732
    pp = (PackageInfo*)BasicHashtable<mtClass>::new_entry(hash);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
    pp->set_pkgname(pkgname);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
    return pp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
  void add_entry(PackageInfo* pp) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
    int index = hash_to_index(pp->hash());
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   739
    BasicHashtable<mtClass>::add_entry(index, pp);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
  void copy_pkgnames(const char** packages) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
    int n = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
    for (int i = 0; i < table_size(); ++i) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
      for (PackageInfo* pp = bucket(i); pp != NULL; pp = pp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
        packages[n++] = pp->pkgname();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
    assert(n == number_of_entries(), "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
  void copy_table(char** top, char* end, PackageHashtable* table);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
void PackageHashtable::copy_table(char** top, char* end,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
                                  PackageHashtable* table) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
  // Copy (relocate) the table to the shared space.
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   759
  BasicHashtable<mtClass>::copy_table(top, end);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
  // Calculate the space needed for the package name strings.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
  int i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
  int n = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
  for (i = 0; i < table_size(); ++i) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
    for (PackageInfo* pp = table->bucket(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
                      pp != NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
                      pp = pp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
      n += (int)(strlen(pp->pkgname()) + 1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   769
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   770
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
  if (*top + n + sizeof(intptr_t) >= end) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
   772
    report_out_of_shared_space(SharedMiscData);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
  // Copy the table data (the strings) to the shared space.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
  n = align_size_up(n, sizeof(HeapWord));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
  *(intptr_t*)(*top) = n;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
  *top += sizeof(intptr_t);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
  for (i = 0; i < table_size(); ++i) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
    for (PackageInfo* pp = table->bucket(i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
                      pp != NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
                      pp = pp->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
      int n1 = (int)(strlen(pp->pkgname()) + 1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
      pp->set_pkgname((char*)memcpy(*top, pp->pkgname(), n1));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
      *top += n1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
  *top = (char*)align_size_up((intptr_t)*top, sizeof(HeapWord));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
void ClassLoader::copy_package_info_buckets(char** top, char* end) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
  _package_hash_table->copy_buckets(top, end);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
void ClassLoader::copy_package_info_table(char** top, char* end) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
  _package_hash_table->copy_table(top, end, _package_hash_table);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
PackageInfo* ClassLoader::lookup_package(const char *pkgname) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
  const char *cp = strrchr(pkgname, '/');
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
  if (cp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
    // Package prefix found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
    int n = cp - pkgname + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
    return _package_hash_table->get_entry(pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
bool ClassLoader::add_package(const char *pkgname, int classpath_index, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
  assert(pkgname != NULL, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
  // Bootstrap loader no longer holds system loader lock obj serializing
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
  // load_instance_class and thereby add_package
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
    MutexLocker ml(PackageTable_lock, THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
    // First check for previously loaded entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
    PackageInfo* pp = lookup_package(pkgname);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
    if (pp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
      // Existing entry found, check source of package
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
      pp->set_index(classpath_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
    const char *cp = strrchr(pkgname, '/');
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
    if (cp != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
      // Package prefix found
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
      int n = cp - pkgname + 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   832
      char* new_pkgname = NEW_C_HEAP_ARRAY(char, n + 1, mtClass);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
      if (new_pkgname == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
        return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
      memcpy(new_pkgname, pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
      new_pkgname[n] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
      pp = _package_hash_table->new_entry(new_pkgname, n);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
      pp->set_index(classpath_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
      // Insert into hash table
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
      _package_hash_table->add_entry(pp);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
oop ClassLoader::get_system_package(const char* name, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
  PackageInfo* pp;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
    MutexLocker ml(PackageTable_lock, THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
    pp = lookup_package(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
  if (pp == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
    Handle p = java_lang_String::create_from_str(pp->filename(), THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
    return p();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
objArrayOop ClassLoader::get_system_packages(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
  int nof_entries;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
  const char** packages;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
    MutexLocker ml(PackageTable_lock, THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
    // Allocate resource char* array containing package names
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
    nof_entries = _package_hash_table->number_of_entries();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
    if ((packages = NEW_RESOURCE_ARRAY(const char*, nof_entries)) == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   876
    _package_hash_table->copy_pkgnames(packages);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
  // Allocate objArray and fill with java.lang.String
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 3820
diff changeset
   879
  objArrayOop r = oopFactory::new_objArray(SystemDictionary::String_klass(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
                                           nof_entries, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   881
  objArrayHandle result(THREAD, r);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   882
  for (int i = 0; i < nof_entries; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   883
    Handle str = java_lang_String::create_from_str(packages[i], CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   884
    result->obj_at_put(i, str());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   885
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   886
489c9b5090e2 Initial load
duke
parents:
diff changeset
   887
  return result();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   888
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   889
489c9b5090e2 Initial load
duke
parents:
diff changeset
   890
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
   891
instanceKlassHandle ClassLoader::load_classfile(Symbol* h_name, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   892
  ResourceMark rm(THREAD);
19158
9c755bf7cae5 8021301: better event messages
anoll
parents: 17126
diff changeset
   893
  EventMark m("loading class %s", h_name->as_C_string());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
  ThreadProfilerMark tpm(ThreadProfilerMark::classLoaderRegion);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  stringStream st;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
  // st.print() uses too much stack space while handling a StackOverflowError
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
  // st.print("%s.class", h_name->as_utf8());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
  st.print_raw(h_name->as_utf8());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
  st.print_raw(".class");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
  char* name = st.as_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
  // Lookup stream for parsing .class file
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
  ClassFileStream* stream = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
  int classpath_index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  {
3575
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   907
    PerfClassTraceTime vmtimer(perf_sys_class_lookup_time(),
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   908
                               ((JavaThread*) THREAD)->get_thread_stat()->perf_timers_addr(),
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   909
                               PerfClassTraceTime::CLASS_LOAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
    ClassPathEntry* e = _first_entry;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
    while (e != NULL) {
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
   912
      stream = e->open_stream(name, CHECK_NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
      if (stream != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
      e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
      ++classpath_index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
   921
  instanceKlassHandle h;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
  if (stream != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
    // class file found, parse it
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
    ClassFileParser parser(stream);
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14471
diff changeset
   926
    ClassLoaderData* loader_data = ClassLoaderData::the_null_class_loader_data();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
    Handle protection_domain;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
   928
    TempNewSymbol parsed_name = NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
    instanceKlassHandle result = parser.parseClassFile(h_name,
14588
8ec26d2d9339 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap
coleenp
parents: 14471
diff changeset
   930
                                                       loader_data,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
                                                       protection_domain,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
                                                       parsed_name,
3820
0a8fbbe180db 6830542: Performance: JVM_DefineClass already verified.
acorn
parents: 3582
diff changeset
   933
                                                       false,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
                                                       CHECK_(h));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
    // add to package table
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
    if (add_package(name, classpath_index, THREAD)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
      h = result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
  return h;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   946
void ClassLoader::create_package_info_table(HashtableBucket<mtClass> *t, int length,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
                                            int number_of_entries) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
  assert(_package_hash_table == NULL, "One package info table allowed.");
13195
be27e1b6a4b9 6995781: Native Memory Tracking (Phase 1)
zgu
parents: 10565
diff changeset
   949
  assert(length == package_hash_table_size * sizeof(HashtableBucket<mtClass>),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
         "bad shared package info size.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
  _package_hash_table = new PackageHashtable(package_hash_table_size, t,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
                                             number_of_entries);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
void ClassLoader::create_package_info_table() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
    assert(_package_hash_table == NULL, "shouldn't have one yet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
    _package_hash_table = new PackageHashtable(package_hash_table_size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
// Initialize the class loader's access to methods in libzip.  Parse and
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
// process the boot classpath into a list ClassPathEntry objects.  Once
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
// this list has been created, it must not change order (see class PackageInfo)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
// it can be appended to and is by jvmti and the kernel vm.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
void ClassLoader::initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  assert(_package_hash_table == NULL, "should have been initialized by now.");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  if (UsePerfData) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
    // jvmstat performance counters
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
    NEWPERFTICKCOUNTER(_perf_accumulated_time, SUN_CLS, "time");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
    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
   975
    NEWPERFTICKCOUNTER(_perf_class_init_selftime, SUN_CLS, "classInitTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
    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
   977
    NEWPERFTICKCOUNTER(_perf_class_verify_selftime, SUN_CLS, "classVerifyTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
    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
   979
    NEWPERFTICKCOUNTER(_perf_class_link_selftime, SUN_CLS, "classLinkedTime.self");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
    NEWPERFEVENTCOUNTER(_perf_classes_inited, SUN_CLS, "initializedClasses");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
    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
   982
    NEWPERFEVENTCOUNTER(_perf_classes_verified, SUN_CLS, "verifiedClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   983
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   984
    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
   985
    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
   986
    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
   987
    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
   988
    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
   989
    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
   990
    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
   991
    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
   992
    NEWPERFTICKCOUNTER(_perf_define_appclasses, SUN_CLS, "defineAppClasses");
224791e7ecab 6857194: Add hotspot perf counters to aid class loading performance measurement
mchung
parents: 2567
diff changeset
   993
    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
   994
    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
   995
    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
   996
    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
   997
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
    // The following performance counters are added for measuring the impact
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
    // of the bug fix of 6365597. They are mainly focused on finding out
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
    // the behavior of system & user-defined classloader lock, whether
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
    // ClassLoader.loadClass/findClass is being called synchronized or not.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
    // Also two additional counters are created to see whether 'UnsyncloadClass'
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
    // flag is being set or not and how many times load_instance_class call
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
    // fails with linkageError etc.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
    NEWPERFEVENTCOUNTER(_sync_systemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
                        "systemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
    NEWPERFEVENTCOUNTER(_sync_nonSystemLoaderLockContentionRate, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
                        "nonSystemLoaderLockContentionRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
    NEWPERFEVENTCOUNTER(_sync_JVMFindLoadedClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
                        "jvmFindLoadedClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
    NEWPERFEVENTCOUNTER(_sync_JVMDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
                        "jvmDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
    NEWPERFEVENTCOUNTER(_sync_JNIDefineClassLockFreeCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
                        "jniDefineClassNoLockCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
    NEWPERFEVENTCOUNTER(_unsafe_defineClassCallCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
                        "unsafeDefineClassCalls");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
    NEWPERFEVENTCOUNTER(_isUnsyncloadClass, SUN_CLS, "isUnsyncloadClassSet");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
    NEWPERFEVENTCOUNTER(_load_instance_class_failCounter, SUN_CLS,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
                        "loadInstanceClassFailRate");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
    // increment the isUnsyncloadClass counter if UnsyncloadClass is set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
    if (UnsyncloadClass) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
      _isUnsyncloadClass->inc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
  // lookup zip library entry points
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
  load_zip_library();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
  // initialize search path
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
  setup_bootstrap_search_path();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
  if (LazyBootClassLoader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
    // set up meta index which makes boot classpath initialization lazier
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
    setup_meta_index();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
jlong ClassLoader::classloader_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
    Management::ticks_to_ms(_perf_accumulated_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
jlong ClassLoader::class_init_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
  return UsePerfData ? _perf_classes_inited->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
jlong ClassLoader::class_init_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
    Management::ticks_to_ms(_perf_class_init_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
jlong ClassLoader::class_verify_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
    Management::ticks_to_ms(_perf_class_verify_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
jlong ClassLoader::class_link_count() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
  return UsePerfData ? _perf_classes_linked->get_value() : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
jlong ClassLoader::class_link_time_ms() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
  return UsePerfData ?
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
    Management::ticks_to_ms(_perf_class_link_time->get_value()) : -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
int ClassLoader::compute_Object_vtable() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
  // hardwired for JDK1.2 -- would need to duplicate class file parsing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
  // code to determine actual value from file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
  // Would be value '11' if finals were in vtable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
  int JDK_1_2_Object_vtable_size = 5;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
  return JDK_1_2_Object_vtable_size * vtableEntry::size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
void classLoader_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
  ClassLoader::initialize();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
bool ClassLoader::get_canonical_path(char* orig, char* out, int len) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
  assert(orig != NULL && out != NULL && len > 0, "bad arguments");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
  if (CanonicalizeEntry != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
    JNIEnv* env = JavaThread::current()->jni_environment();
7405
e6fc8d3926f8 6348631: remove the use of the HPI library from Hotspot
ikrylov
parents: 7397
diff changeset
  1088
    if ((CanonicalizeEntry)(env, os::native_path(orig), out, len) < 0) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
      return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
    // On JDK 1.2.2 the Canonicalize does not exist, so just do nothing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
    strncpy(out, orig, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
    out[len - 1] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
  return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
void ClassLoader::verify() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  _package_hash_table->verify();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
// CompileTheWorld
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
// Iterates over all class path entries and forces compilation of all methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
// in all classes found. Currently, only zip/jar archives are searched.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
// The classes are loaded by the Java level bootstrap class loader, and the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
// initializer is called. If DelayCompilationDuringStartup is true (default),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
// the interpreter will run the initialization code. Note that forcing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
// initialization in this way could potentially lead to initialization order
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
// problems, in which case we could just force the initialization bit to be set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
// We need to iterate over the contents of a zip/jar file, so we replicate the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
// jzcell and jzfile definitions from zip_util.h but rename jzfile to real_jzfile,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
// since jzfile already has a void* definition.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
// Note that this is only used in debug mode.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
// HotSpot integration note:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
// Matches zip_util.h 1.14 99/06/01 from jdk1.3 beta H build
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
// JDK 1.3 version
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
typedef struct real_jzentry13 {         /* Zip file entry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
    char *name;                 /* entry name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
    jint time;                  /* modification time */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
    jint size;                  /* size of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
    jint csize;                 /* size of compressed data (zero if uncompressed) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
    jint crc;                   /* crc of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
    char *comment;              /* optional zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
    jbyte *extra;               /* optional extra data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
    jint pos;                   /* position of LOC header (if negative) or data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
} real_jzentry13;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
typedef struct real_jzfile13 {  /* Zip file */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
    char *name;                 /* zip file name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
    jint refs;                  /* number of active references */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
    jint fd;                    /* open file descriptor */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
    void *lock;                 /* read lock */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
    char *comment;              /* zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
    char *msg;                  /* zip error message */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
    void *entries;              /* array of hash cells */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1148
    jint total;                 /* total number of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
    unsigned short *table;      /* Hash chain heads: indexes into entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
    jint tablelen;              /* number of hash eads */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
    real_jzfile13 *next;        /* next zip file in search list */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
    jzentry *cache;             /* we cache the most recently freed jzentry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
    /* Information on metadata names in META-INF directory */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
    char **metanames;           /* array of meta names (may have null names) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1155
    jint metacount;             /* number of slots in metanames array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1156
    /* If there are any per-entry comments, they are in the comments array */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1157
    char **comments;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1158
} real_jzfile13;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1159
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1160
// JDK 1.2 version
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1161
typedef struct real_jzentry12 {  /* Zip file entry */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1162
    char *name;                  /* entry name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1163
    jint time;                   /* modification time */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1164
    jint size;                   /* size of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1165
    jint csize;                  /* size of compressed data (zero if uncompressed) */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
    jint crc;                    /* crc of uncompressed data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1167
    char *comment;               /* optional zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
    jbyte *extra;                /* optional extra data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
    jint pos;                    /* position of LOC header (if negative) or data */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1170
    struct real_jzentry12 *next; /* next entry in hash table */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1171
} real_jzentry12;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
typedef struct real_jzfile12 {  /* Zip file */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
    char *name;                 /* zip file name */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
    jint refs;                  /* number of active references */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
    jint fd;                    /* open file descriptor */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
    void *lock;                 /* read lock */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
    char *comment;              /* zip file comment */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
    char *msg;                  /* zip error message */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
    real_jzentry12 *entries;    /* array of zip entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
    jint total;                 /* total number of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
    real_jzentry12 **table;     /* hash table of entries */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
    jint tablelen;              /* number of buckets */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
    jzfile *next;               /* next zip file in search list */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
} real_jzfile12;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
void ClassPathDirEntry::compile_the_world(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
  // For now we only compile all methods in all classes in zip/jar files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
  tty->print_cr("CompileTheWorld : Skipped classes in %s", _dir);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
bool ClassPathDirEntry::is_rt_jar() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
void ClassPathZipEntry::compile_the_world(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
  if (JDK_Version::is_jdk12x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
    compile_the_world12(loader, THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
    compile_the_world13(loader, THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
  if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
    if (PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
      CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
      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
  1209
      tty->print_cr("Increase class metadata storage if a limit was set");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
      tty->print_cr("\nCompileTheWorld : Unexpected exception occurred\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1215
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
// Version that works for JDK 1.3.x
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
void ClassPathZipEntry::compile_the_world13(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
  real_jzfile13* zip = (real_jzfile13*) _zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", zip->name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  // Iterate over all entries in zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
    real_jzentry13 * ze = (real_jzentry13 *)((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
    ClassLoader::compile_the_world_in(ze->name, loader, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1226
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1228
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
// Version that works for JDK 1.2.x
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
void ClassPathZipEntry::compile_the_world12(Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
  real_jzfile12* zip = (real_jzfile12*) _zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
  tty->print_cr("CompileTheWorld : Compiling all classes in %s", zip->name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
  tty->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
  // Iterate over all entries in zip file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
  for (int n = 0; ; n++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1237
    real_jzentry12 * ze = (real_jzentry12 *)((*GetNextEntry)(_zip, n));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1238
    if (ze == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1239
    ClassLoader::compile_the_world_in(ze->name, loader, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
bool ClassPathZipEntry::is_rt_jar() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
  if (JDK_Version::is_jdk12x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
    return is_rt_jar12();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
    return is_rt_jar13();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
// JDK 1.3 version
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
bool ClassPathZipEntry::is_rt_jar13() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
  real_jzfile13* zip = (real_jzfile13*) _zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
  int len = (int)strlen(zip->name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
  // Check whether zip name ends in "rt.jar"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
  // This will match other archives named rt.jar as well, but this is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  // only used for debugging.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
  return (len >= 6) && (strcasecmp(zip->name + len - 6, "rt.jar") == 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
// JDK 1.2 version
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
bool ClassPathZipEntry::is_rt_jar12() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  real_jzfile12* zip = (real_jzfile12*) _zip;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
  int len = (int)strlen(zip->name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  // Check whether zip name ends in "rt.jar"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
  // This will match other archives named rt.jar as well, but this is
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  // only used for debugging.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
  return (len >= 6) && (strcasecmp(zip->name + len - 6, "rt.jar") == 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
void LazyClassPathEntry::compile_the_world(Handle loader, TRAPS) {
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1272
  ClassPathEntry* cpe = resolve_entry(THREAD);
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1273
  if (cpe != NULL) {
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1274
    cpe->compile_the_world(loader, CHECK);
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1275
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1276
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
bool LazyClassPathEntry::is_rt_jar() {
19685
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1279
  Thread* THREAD = Thread::current();
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1280
  ClassPathEntry* cpe = resolve_entry(THREAD);
3df9b00b5d5f 8020675: invalid jar file in the bootclasspath could lead to jvm fatal error
ccheung
parents: 19158
diff changeset
  1281
  return (cpe != NULL) ? cpe->is_jar_file() : false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
void ClassLoader::compile_the_world() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
  HandleMark hm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
  // Make sure we don't run with background compilation
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
  BackgroundCompilation = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
  // Find bootstrap loader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
  Handle system_class_loader (THREAD, SystemDictionary::java_system_loader());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
  // Iterate over all bootstrap class path entries
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
  ClassPathEntry* e = _first_entry;
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1294
  jlong start = os::javaTimeMillis();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
  while (e != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
    // We stop at rt.jar, unless it is the first bootstrap path entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
    if (e->is_rt_jar() && e != _first_entry) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
    e->compile_the_world(system_class_loader, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
    e = e->next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
  }
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1301
  jlong end = os::javaTimeMillis();
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22838
diff changeset
  1302
  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
  1303
                _compile_the_world_class_counter, _compile_the_world_method_counter, (end - start));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
    // Print statistics as if before normal exit:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
    extern void print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
    print_statistics();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  vm_exit(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1312
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
  1313
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
  1314
static int _codecache_sweep_counter = 0;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1316
// Filter out all exceptions except OOMs
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1317
static void clear_pending_exception_if_not_oom(TRAPS) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1318
  if (HAS_PENDING_EXCEPTION &&
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1319
      !PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())) {
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1320
    CLEAR_PENDING_EXCEPTION;
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1321
  }
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1322
  // The CHECK at the caller will propagate the exception out
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1323
}
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1324
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
  1325
/**
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1326
 * 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
  1327
 *
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1328
 * 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
  1329
 */
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1330
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
  1331
  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
  1332
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1333
  // 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
  1334
  // 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
  1335
  // 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
  1336
  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
  1337
  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
  1338
    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
  1339
  }
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1340
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1341
  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
  1342
}
9f5ffba04ead 8024275: During CTW: assert(sig_bt[member_arg_pos] == T_OBJECT) failed: dispatch argument must be an object
twisti
parents: 19685
diff changeset
  1343
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
void ClassLoader::compile_the_world_in(char* name, Handle loader, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
  int len = (int)strlen(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
  if (len > 6 && strcmp(".class", name + len - 6) == 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
    // We have a .class file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
    char buffer[2048];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
    strncpy(buffer, name, len - 6);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
    buffer[len-6] = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
    // If the file has a period after removing .class, it's not really a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
    // valid class file.  The class loader will check everything else.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
    if (strchr(buffer, '.') == NULL) {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1354
      _compile_the_world_class_counter++;
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1355
      if (_compile_the_world_class_counter > CompileTheWorldStopAt) return;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1356
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1357
      // Construct name without extension
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7910
diff changeset
  1358
      TempNewSymbol sym = SymbolTable::new_symbol(buffer, CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1359
      // Use loader to load and initialize class
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1360
      Klass* ik = SystemDictionary::resolve_or_null(sym, loader, Handle(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1361
      instanceKlassHandle k (THREAD, ik);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1362
      if (k.not_null() && !HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1363
        k->initialize(THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1364
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1365
      bool exception_occurred = HAS_PENDING_EXCEPTION;
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1366
      clear_pending_exception_if_not_oom(CHECK);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1367
      if (CompileTheWorldPreloadClasses && k.not_null()) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13195
diff changeset
  1368
        ConstantPool::preload_and_initialize_all_classes(k->constants(), THREAD);
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1369
        if (HAS_PENDING_EXCEPTION) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1370
          // If something went wrong in preloading we just ignore it
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1371
          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
  1372
          tty->print_cr("Preloading failed for (%d) %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
        }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1374
      }
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1375
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1376
      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
  1377
        if (k.is_null() || exception_occurred) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
          // 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
  1379
          tty->print_cr("CompileTheWorld (%d) : Skipping %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
        } else {
17004
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1381
          tty->print_cr("CompileTheWorld (%d) : %s", _compile_the_world_class_counter, buffer);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
          // Preload all classes to get around uncommon traps
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
          // Iterate over all methods in class
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1384
          int comp_level = CompilationPolicy::policy()->initial_compile_level();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
          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
  1386
            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
  1387
            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
  1388
              if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) {
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1389
                // 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
  1390
                VM_ForceSafepoint op;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1391
                VMThread::execute(&op);
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1392
                _codecache_sweep_counter = 0;
e091227926da 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents: 4571
diff changeset
  1393
              }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
              // Force compilation
17126
42a942feeea2 8012322: Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false
iignatyev
parents: 17004
diff changeset
  1395
              CompileBroker::compile_method(m, InvocationEntryBci, comp_level,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
                                            methodHandle(), 0, "CTW", THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
              if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1398
                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
  1399
                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
  1400
              } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1401
                _compile_the_world_method_counter++;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
              }
10250
0794cd144834 7066339: Tiered: policy should make consistent decisions about osr levels
iveresov
parents: 8921
diff changeset
  1403
              if (TieredCompilation && TieredStopAtLevel >= CompLevel_full_optimization) {
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1404
                // Clobber the first compile and force second tier compilation
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1405
                nmethod* nm = m->code();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1406
                if (nm != NULL) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1407
                  // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1408
                  nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1409
                  m->clear_code();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1410
                }
6453
970dc585ab63 6953144: Tiered compilation
iveresov
parents: 5924
diff changeset
  1411
                CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization,
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1412
                                              methodHandle(), 0, "CTW", THREAD);
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1413
                if (HAS_PENDING_EXCEPTION) {
8327
f5a13a17d5f3 7018506: CTW swallowing OOMs after symbol changes
never
parents: 8076
diff changeset
  1414
                  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
  1415
                  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
  1416
                } else {
4d2371d76a19 8011933: add number of classes, methods and time spent to CompileTheWorld
twisti
parents: 14588
diff changeset
  1417
                  _compile_the_world_method_counter++;
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1418
                }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
              }
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
  1420
            } 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
  1421
              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
  1422
            }
2567
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1423
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1424
            nmethod* nm = m->code();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1425
            if (nm != NULL) {
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1426
              // Throw out the code so that the code cache doesn't fill up
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1427
              nm->make_not_entrant();
ee624563f743 6741757: minor ctw improvements
never
parents: 1
diff changeset
  1428
              m->clear_code();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
            }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
          }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
#endif //PRODUCT
7910
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1438
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1439
// 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
  1440
// 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
  1441
void PerfClassTraceTime::initialize() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1442
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1443
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1444
  if (_eventp != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1445
    // increment the event counter
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1446
    _eventp->inc();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1447
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1448
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1449
  // stop the current active thread-local timer to measure inclusive time
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1450
  _prev_active_event = -1;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1451
  for (int i=0; i < EVENT_TYPE_COUNT; i++) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1452
     if (_timers[i].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1453
       assert(_prev_active_event == -1, "should have only one active timer");
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1454
       _prev_active_event = i;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1455
       _timers[i].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1456
     }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1457
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1458
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1459
  if (_recursion_counters == NULL || (_recursion_counters[_event_type])++ == 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1460
    // start the inclusive timer if not recursively called
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1461
    _t.start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1462
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1463
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1464
  // start thread-local timer of the given event type
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1465
   if (!_timers[_event_type].is_active()) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1466
    _timers[_event_type].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1467
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1468
}
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1469
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1470
PerfClassTraceTime::~PerfClassTraceTime() {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1471
  if (!UsePerfData) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1472
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1473
  // stop the thread-local timer as the event completes
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1474
  // 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
  1475
  _timers[_event_type].stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1476
  jlong selftime = _timers[_event_type].ticks();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1477
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1478
  if (_prev_active_event >= 0) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1479
    _timers[_prev_active_event].start();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1480
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1481
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1482
  if (_recursion_counters != NULL && --(_recursion_counters[_event_type]) > 0) return;
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1483
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1484
  // increment the counters only on the leaf call
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1485
  _t.stop();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1486
  _timep->inc(_t.ticks());
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1487
  if (_selftimep != NULL) {
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1488
    _selftimep->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1489
  }
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1490
  // 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
  1491
  ClassLoader::perf_accumulated_time()->inc(selftime);
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1492
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1493
  // reset the timer
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1494
  _timers[_event_type].reset();
135031ddb2bb 6966589: hs16-b08 causes java.lang.StackOverflowError
minqi
parents: 7405
diff changeset
  1495
}