hotspot/src/share/vm/oops/constantPool.cpp
author kbarrett
Thu, 22 Jun 2017 20:47:22 -0400
changeset 46560 388aa8d67c80
parent 46427 54713555867e
child 46630 75aa3e39d02c
permissions -rw-r--r--
8181449: Fix debug.hpp / globalDefinitions.hpp dependency inversion Summary: Refactor debug.hpp and reverse include dependency. Reviewed-by: coleenp, stefank, dcubed
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
46324
8764956ec928 8005165: Remove CPU-dependent code in self-patching vtables
iklam
parents: 39398
diff changeset
     2
 * Copyright (c) 1997, 2017, 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: 4571
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 4571
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: 4571
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: 7114
diff changeset
    25
#include "precompiled.hpp"
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    26
#include "classfile/classLoaderData.hpp"
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 28741
diff changeset
    27
#include "classfile/javaClasses.inline.hpp"
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
    28
#include "classfile/metadataOnStackMark.hpp"
24426
0a69c8cdfca9 8038654: Separate SymbolTable and StringTable code
gziemski
parents: 24334
diff changeset
    29
#include "classfile/stringTable.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    30
#include "classfile/systemDictionary.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    31
#include "classfile/vmSymbols.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    32
#include "interpreter/linkResolver.hpp"
15437
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
    33
#include "memory/heapInspection.hpp"
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    34
#include "memory/metadataFactory.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    35
#include "memory/oopFactory.hpp"
37248
11a660dbbb8e 8132524: Missing includes to resourceArea.hpp
jprovino
parents: 37078
diff changeset
    36
#include "memory/resourceArea.hpp"
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    37
#include "oops/constantPool.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    38
#include "oops/instanceKlass.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    39
#include "oops/objArrayKlass.hpp"
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 28741
diff changeset
    40
#include "oops/objArrayOop.inline.hpp"
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 28741
diff changeset
    41
#include "oops/oop.inline.hpp"
46560
388aa8d67c80 8181449: Fix debug.hpp / globalDefinitions.hpp dependency inversion
kbarrett
parents: 46427
diff changeset
    42
#include "prims/jvm.h"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    43
#include "runtime/fieldType.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    44
#include "runtime/init.hpp"
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    45
#include "runtime/javaCalls.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    46
#include "runtime/signature.hpp"
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
    47
#include "runtime/vframe.hpp"
29081
c61eb4914428 8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents: 28741
diff changeset
    48
#include "utilities/copy.hpp"
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    50
ConstantPool* ConstantPool::allocate(ClassLoaderData* loader_data, int length, TRAPS) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    51
  Array<u1>* tags = MetadataFactory::new_writeable_array<u1>(loader_data, length, 0, CHECK_NULL);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    52
  int size = ConstantPool::size(length);
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    53
  return new (loader_data, size, true, MetaspaceObj::ConstantPoolType, THREAD) ConstantPool(tags);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    54
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    55
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    56
#ifdef ASSERT
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
    57
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    58
// MetaspaceObj allocation invariant is calloc equivalent memory
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    59
// simple verification of this here (JVM_CONSTANT_Invalid == 0 )
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    60
static bool tag_array_is_zero_initialized(Array<u1>* tags) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    61
  assert(tags != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    62
  const int length = tags->length();
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    63
  for (int index = 0; index < length; ++index) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    64
    if (JVM_CONSTANT_Invalid != tags->at(index)) {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    65
      return false;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    66
    }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    67
  }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    68
  return true;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    69
}
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    70
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    71
#endif
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    72
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    73
ConstantPool::ConstantPool(Array<u1>* tags) :
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    74
  _tags(tags),
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    75
  _length(tags->length()) {
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    76
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    77
    assert(_tags != NULL, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    78
    assert(tags->length() == _length, "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    79
    assert(tag_array_is_zero_initialized(tags), "invariant");
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    80
    assert(0 == flags(), "invariant");
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    81
    assert(0 == version(), "invariant");
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
    82
    assert(NULL == _pool_holder, "invariant");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    83
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    84
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    85
void ConstantPool::deallocate_contents(ClassLoaderData* loader_data) {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    86
  if (cache() != NULL) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    87
    MetadataFactory::free_array<u2>(loader_data, reference_map());
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    88
    set_reference_map(NULL);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    89
    MetadataFactory::free_metadata(loader_data, cache());
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    90
    set_cache(NULL);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    91
  }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    92
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    93
  MetadataFactory::free_array<Klass*>(loader_data, resolved_klasses());
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
    94
  set_resolved_klasses(NULL);
22750
a3c879b18f22 8033528: assert(0 <= i && i < length()) failed: index out of bounds
coleenp
parents: 22539
diff changeset
    95
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    96
  MetadataFactory::free_array<jushort>(loader_data, operands());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    97
  set_operands(NULL);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    98
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
    99
  release_C_heap_structures();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   100
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   101
  // free tag array
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   102
  MetadataFactory::free_array<u1>(loader_data, tags());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   103
  set_tags(NULL);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   104
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   105
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   106
void ConstantPool::release_C_heap_structures() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   107
  // walk constant pool and decrement symbol reference counts
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   108
  unreference_symbols();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   109
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   110
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   111
objArrayOop ConstantPool::resolved_references() const {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   112
  return (objArrayOop)JNIHandles::resolve(_cache->resolved_references());
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   113
}
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   114
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   115
// Create resolved_references array and mapping array for original cp indexes
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   116
// The ldc bytecode was rewritten to have the resolved reference array index so need a way
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   117
// to map it back for resolving and some unlikely miscellaneous uses.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   118
// The objects created by invokedynamic are appended to this list.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   119
void ConstantPool::initialize_resolved_references(ClassLoaderData* loader_data,
33232
75e0112d3eb5 8140452: Internal Error memory/allocation.cpp:179
mgerdin
parents: 33148
diff changeset
   120
                                                  const intStack& reference_map,
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   121
                                                  int constant_pool_map_length,
20063
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   122
                                                  TRAPS) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   123
  // Initialized the resolved object cache.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   124
  int map_length = reference_map.length();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   125
  if (map_length > 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   126
    // Only need mapping back to constant pool entries.  The map isn't used for
20063
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   127
    // invokedynamic resolved_reference entries.  For invokedynamic entries,
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   128
    // the constant pool cache index has the mapping back to both the constant
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   129
    // pool and to the resolved reference index.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   130
    if (constant_pool_map_length > 0) {
20063
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   131
      Array<u2>* om = MetadataFactory::new_array<u2>(loader_data, constant_pool_map_length, CHECK);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   132
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   133
      for (int i = 0; i < constant_pool_map_length; i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   134
        int x = reference_map.at(i);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   135
        assert(x == (int)(jushort) x, "klass index is too big");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   136
        om->at_put(i, (jushort)x);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   137
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   138
      set_reference_map(om);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   139
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   140
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   141
    // Create Java array for holding resolved strings, methodHandles,
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   142
    // methodTypes, invokedynamic and invokehandle appendix objects, etc.
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   143
    objArrayOop stom = oopFactory::new_objArray(SystemDictionary::Object_klass(), map_length, CHECK);
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   144
    Handle refs_handle (THREAD, (oop)stom);  // must handleize.
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   145
    set_resolved_references(loader_data->add_handle(refs_handle));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   146
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   147
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   148
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   149
void ConstantPool::allocate_resolved_klasses(ClassLoaderData* loader_data, int num_klasses, TRAPS) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   150
  // A ConstantPool can't possibly have 0xffff valid class entries,
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   151
  // because entry #0 must be CONSTANT_Invalid, and each class entry must refer to a UTF8
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   152
  // entry for the class's name. So at most we will have 0xfffe class entries.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   153
  // This allows us to use 0xffff (ConstantPool::_temp_resolved_klass_index) to indicate
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   154
  // UnresolvedKlass entries that are temporarily created during class redefinition.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   155
  assert(num_klasses < CPKlassSlot::_temp_resolved_klass_index, "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   156
  assert(resolved_klasses() == NULL, "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   157
  Array<Klass*>* rk = MetadataFactory::new_writeable_array<Klass*>(loader_data, num_klasses, CHECK);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   158
  set_resolved_klasses(rk);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   159
}
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   160
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   161
void ConstantPool::initialize_unresolved_klasses(ClassLoaderData* loader_data, TRAPS) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   162
  int len = length();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   163
  int num_klasses = 0;
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   164
  for (int i = 1; i <len; i++) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   165
    switch (tag_at(i).value()) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   166
    case JVM_CONSTANT_ClassIndex:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   167
      {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   168
        const int class_index = klass_index_at(i);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   169
        unresolved_klass_at_put(i, class_index, num_klasses++);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   170
      }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   171
      break;
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   172
#ifndef PRODUCT
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   173
    case JVM_CONSTANT_Class:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   174
    case JVM_CONSTANT_UnresolvedClass:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   175
    case JVM_CONSTANT_UnresolvedClassInError:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   176
      // All of these should have been reverted back to ClassIndex before calling
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   177
      // this function.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   178
      ShouldNotReachHere();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   179
#endif
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   180
    }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   181
  }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   182
  allocate_resolved_klasses(loader_data, num_klasses, THREAD);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   183
}
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   184
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   185
// Anonymous class support:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   186
void ConstantPool::klass_at_put(int class_index, int name_index, int resolved_klass_index, Klass* k, Symbol* name) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   187
  assert(is_within_bounds(class_index), "index out of bounds");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   188
  assert(is_within_bounds(name_index), "index out of bounds");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   189
  assert((resolved_klass_index & 0xffff0000) == 0, "must be");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   190
  *int_at_addr(class_index) =
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   191
    build_int_from_shorts((jushort)resolved_klass_index, (jushort)name_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   192
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   193
  symbol_at_put(name_index, name);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   194
  name->increment_refcount();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   195
  Klass** adr = resolved_klasses()->adr_at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   196
  OrderAccess::release_store_ptr((Klass* volatile *)adr, k);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   197
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   198
  // The interpreter assumes when the tag is stored, the klass is resolved
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   199
  // and the Klass* non-NULL, so we need hardware store ordering here.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   200
  if (k != NULL) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   201
    release_tag_at_put(class_index, JVM_CONSTANT_Class);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   202
  } else {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   203
    release_tag_at_put(class_index, JVM_CONSTANT_UnresolvedClass);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   204
  }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   205
}
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   206
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   207
// Anonymous class support:
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   208
void ConstantPool::klass_at_put(int class_index, Klass* k) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   209
  assert(k != NULL, "must be valid klass");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   210
  CPKlassSlot kslot = klass_slot_at(class_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   211
  int resolved_klass_index = kslot.resolved_klass_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   212
  Klass** adr = resolved_klasses()->adr_at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   213
  OrderAccess::release_store_ptr((Klass* volatile *)adr, k);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   214
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   215
  // The interpreter assumes when the tag is stored, the klass is resolved
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   216
  // and the Klass* non-NULL, so we need hardware store ordering here.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   217
  release_tag_at_put(class_index, JVM_CONSTANT_Class);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   218
}
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   219
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   220
// CDS support. Create a new resolved_references array.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   221
void ConstantPool::restore_unshareable_info(TRAPS) {
46324
8764956ec928 8005165: Remove CPU-dependent code in self-patching vtables
iklam
parents: 39398
diff changeset
   222
  assert(is_constantPool(), "ensure C++ vtable is restored");
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   223
  assert(on_stack(), "should always be set for shared constant pools");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   224
  assert(is_shared(), "should always be set for shared constant pools");
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   225
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   226
  // Only create the new resolved references array if it hasn't been attempted before
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   227
  if (resolved_references() != NULL) return;
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   228
31038
2fd2fdc6a70a 8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 29576
diff changeset
   229
  // restore the C++ vtable from the shared archive
2fd2fdc6a70a 8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 29576
diff changeset
   230
  restore_vtable();
2fd2fdc6a70a 8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 29576
diff changeset
   231
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   232
  if (SystemDictionary::Object_klass_loaded()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   233
    // Recreate the object array and add to ClassLoaderData.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   234
    int map_length = resolved_reference_length();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   235
    if (map_length > 0) {
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   236
      objArrayOop stom = oopFactory::new_objArray(SystemDictionary::Object_klass(), map_length, CHECK);
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   237
      Handle refs_handle (THREAD, (oop)stom);  // must handleize.
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   238
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   239
      ClassLoaderData* loader_data = pool_holder()->class_loader_data();
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   240
      set_resolved_references(loader_data->add_handle(refs_handle));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   241
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   242
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   243
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   244
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   245
void ConstantPool::remove_unshareable_info() {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   246
  // Resolved references are not in the shared archive.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   247
  // Save the length for restoration.  It is not necessarily the same length
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   248
  // as reference_map.length() if invokedynamic is saved.
31046
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   249
  set_resolved_reference_length(
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   250
    resolved_references() != NULL ? resolved_references()->length() : 0);
d01ad7a0ecb0 8081320: Backout JDK-8059340: ConstantPool::_resolved_references is missing in heap dump
vlivanov
parents: 31038
diff changeset
   251
  set_resolved_references(NULL);
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   252
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   253
  // Shared ConstantPools are in the RO region, so the _flags cannot be modified.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   254
  // The _on_stack flag is used to prevent ConstantPools from deallocation during
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   255
  // class redefinition. Since shared ConstantPools cannot be deallocated anyway,
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   256
  // we always set _on_stack to true to avoid having to change _flags during runtime.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   257
  _flags |= (_on_stack | _is_shared);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   258
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   259
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   260
int ConstantPool::cp_to_object_index(int cp_index) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   261
  // this is harder don't do this so much.
20063
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   262
  int i = reference_map()->find(cp_index);
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   263
  // We might not find the index for jsr292 call.
8965b97fcbb2 8014956: nashorn/api/javaaccess/MethodAccessTest.java test fails on sparc-solaris 64
coleenp
parents: 18439
diff changeset
   264
  return (i < 0) ? _no_index_sentinel : i;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   265
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   266
35498
392b50de06c6 8146401: Clean up oop.hpp: add inline directives and fix header files
goetz
parents: 35219
diff changeset
   267
void ConstantPool::string_at_put(int which, int obj_index, oop str) {
392b50de06c6 8146401: Clean up oop.hpp: add inline directives and fix header files
goetz
parents: 35219
diff changeset
   268
  resolved_references()->obj_at_put(obj_index, str);
392b50de06c6 8146401: Clean up oop.hpp: add inline directives and fix header files
goetz
parents: 35219
diff changeset
   269
}
392b50de06c6 8146401: Clean up oop.hpp: add inline directives and fix header files
goetz
parents: 35219
diff changeset
   270
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   271
void ConstantPool::trace_class_resolution(const constantPoolHandle& this_cp, Klass* k) {
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   272
  ResourceMark rm;
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   273
  int line_number = -1;
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   274
  const char * source_file = NULL;
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   275
  if (JavaThread::current()->has_last_Java_frame()) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   276
    // try to identify the method which called this function.
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   277
    vframeStream vfst(JavaThread::current());
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   278
    if (!vfst.at_end()) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   279
      line_number = vfst.method()->line_number_from_bci(vfst.bci());
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   280
      Symbol* s = vfst.method()->method_holder()->source_file_name();
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   281
      if (s != NULL) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   282
        source_file = s->as_C_string();
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   283
      }
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   284
    }
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   285
  }
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   286
  if (k != this_cp->pool_holder()) {
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   287
    // only print something if the classes are different
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   288
    if (source_file != NULL) {
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   289
      log_debug(class, resolve)("%s %s %s:%d",
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   290
                 this_cp->pool_holder()->external_name(),
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
   291
                 k->external_name(), source_file, line_number);
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   292
    } else {
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   293
      log_debug(class, resolve)("%s %s",
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   294
                 this_cp->pool_holder()->external_name(),
33602
16053580a684 8139163: InstanceKlass::cast passes through NULL
coleenp
parents: 33593
diff changeset
   295
                 k->external_name());
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   296
    }
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   297
  }
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   298
}
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   299
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   300
Klass* ConstantPool::klass_at_impl(const constantPoolHandle& this_cp, int which,
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   301
                                   bool save_resolution_error, TRAPS) {
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   302
  assert(THREAD->is_Java_thread(), "must be a Java thread");
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   303
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   304
  // A resolved constantPool entry will contain a Klass*, otherwise a Symbol*.
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   305
  // It is not safe to rely on the tag bit's here, since we don't have a lock, and
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   306
  // the entry and tag is not updated atomicly.
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   307
  CPKlassSlot kslot = this_cp->klass_slot_at(which);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   308
  int resolved_klass_index = kslot.resolved_klass_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   309
  int name_index = kslot.name_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   310
  assert(this_cp->tag_at(name_index).is_symbol(), "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   311
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   312
  Klass* klass = this_cp->resolved_klasses()->at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   313
  if (klass != NULL) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   314
    return klass;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   315
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   316
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   317
  // This tag doesn't change back to unresolved class unless at a safepoint.
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   318
  if (this_cp->tag_at(which).is_unresolved_klass_in_error()) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   319
    // The original attempt to resolve this constant pool entry failed so find the
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   320
    // class of the original error and throw another error of the same class
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   321
    // (JVMS 5.4.3).
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   322
    // If there is a detail message, pass that detail message to the error.
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   323
    // The JVMS does not strictly require us to duplicate the same detail message,
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   324
    // or any internal exception fields such as cause or stacktrace.  But since the
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   325
    // detail message is often a class name or other literal string, we will repeat it
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   326
    // if we can find it in the symbol table.
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   327
    throw_resolution_error(this_cp, which, CHECK_0);
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   328
    ShouldNotReachHere();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   329
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   330
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   331
  Handle mirror_handle;
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   332
  Symbol* name = this_cp->symbol_at(name_index);
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   333
  Handle loader (THREAD, this_cp->pool_holder()->class_loader());
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   334
  Handle protection_domain (THREAD, this_cp->pool_holder()->protection_domain());
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   335
  Klass* k = SystemDictionary::resolve_or_fail(name, loader, protection_domain, true, THREAD);
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   336
  if (!HAS_PENDING_EXCEPTION) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   337
    // preserve the resolved klass from unloading
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   338
    mirror_handle = Handle(THREAD, k->java_mirror());
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   339
    // Do access check for klasses
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   340
    verify_constant_pool_resolve(this_cp, k, THREAD);
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   341
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   342
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   343
  // Failed to resolve class. We must record the errors so that subsequent attempts
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   344
  // to resolve this constant pool entry fail with the same error (JVMS 5.4.3).
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   345
  if (HAS_PENDING_EXCEPTION) {
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   346
    if (save_resolution_error) {
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   347
      save_and_throw_exception(this_cp, which, constantTag(JVM_CONSTANT_UnresolvedClass), CHECK_NULL);
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   348
      // If CHECK_NULL above doesn't return the exception, that means that
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   349
      // some other thread has beaten us and has resolved the class.
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   350
      // To preserve old behavior, we return the resolved class.
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   351
      klass = this_cp->resolved_klasses()->at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   352
      assert(klass != NULL, "must be resolved if exception was cleared");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   353
      return klass;
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   354
    } else {
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   355
      return NULL;  // return the pending exception
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   356
    }
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   357
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   359
  // Make this class loader depend upon the class loader owning the class reference
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   360
  ClassLoaderData* this_key = this_cp->pool_holder()->class_loader_data();
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   361
  this_key->record_dependency(k, CHECK_NULL); // Can throw OOM
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   362
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   363
  // logging for class+resolve.
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   364
  if (log_is_enabled(Debug, class, resolve)){
37451
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   365
    trace_class_resolution(this_cp, k);
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   366
  }
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   367
  Klass** adr = this_cp->resolved_klasses()->adr_at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   368
  OrderAccess::release_store_ptr((Klass* volatile *)adr, k);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   369
  // The interpreter assumes when the tag is stored, the klass is resolved
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   370
  // and the Klass* stored in _resolved_klasses is non-NULL, so we need
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   371
  // hardware store ordering here.
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   372
  this_cp->release_tag_at_put(which, JVM_CONSTANT_Class);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   373
  return k;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   377
// Does not update ConstantPool* - to avoid any exception throwing. Used
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
// by compiler and exception handling.  Also used to avoid classloads for
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
// instanceof operations. Returns NULL if the class has not been loaded or
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
// if the verification of constant pool failed
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   381
Klass* ConstantPool::klass_at_if_loaded(const constantPoolHandle& this_cp, int which) {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   382
  CPKlassSlot kslot = this_cp->klass_slot_at(which);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   383
  int resolved_klass_index = kslot.resolved_klass_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   384
  int name_index = kslot.name_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   385
  assert(this_cp->tag_at(name_index).is_symbol(), "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   386
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   387
  Klass* k = this_cp->resolved_klasses()->at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   388
  if (k != NULL) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   389
    return k;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
    Thread *thread = Thread::current();
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   392
    Symbol* name = this_cp->symbol_at(name_index);
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   393
    oop loader = this_cp->pool_holder()->class_loader();
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   394
    oop protection_domain = this_cp->pool_holder()->protection_domain();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
    Handle h_prot (thread, protection_domain);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
    Handle h_loader (thread, loader);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   397
    Klass* k = SystemDictionary::find(name, h_loader, h_prot, thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
    if (k != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
      // Make sure that resolving is legal
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
      EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
      // return NULL if verification fails
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   403
      verify_constant_pool_resolve(this_cp, k, THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
      if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
        CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
        return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
      }
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   408
      return k;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
      return k;
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
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   416
Klass* ConstantPool::klass_ref_at_if_loaded(const constantPoolHandle& this_cp, int which) {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   417
  return klass_at_if_loaded(this_cp, this_cp->klass_ref_index_at(which));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   421
Method* ConstantPool::method_at_if_loaded(const constantPoolHandle& cpool,
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   422
                                                   int which) {
11626
7423003cc783 7140882: Don't return booleans from methods returning pointers
brutisso
parents: 10565
diff changeset
   423
  if (cpool->cache() == NULL)  return NULL;  // nothing to load yet
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   424
  int cache_index = decode_cpcache_index(which, true);
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   425
  if (!(cache_index >= 0 && cache_index < cpool->cache()->length())) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   426
    // FIXME: should be an assert
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   427
    log_debug(class, resolve)("bad operand %d in:", which); cpool->print();
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   428
    return NULL;
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   429
  }
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   430
  ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   431
  return e->method_if_resolved(cpool);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   432
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   433
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   434
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   435
bool ConstantPool::has_appendix_at_if_loaded(const constantPoolHandle& cpool, int which) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   436
  if (cpool->cache() == NULL)  return false;  // nothing to load yet
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   437
  int cache_index = decode_cpcache_index(which, true);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   438
  ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   439
  return e->has_appendix();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   440
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   441
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   442
oop ConstantPool::appendix_at_if_loaded(const constantPoolHandle& cpool, int which) {
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   443
  if (cpool->cache() == NULL)  return NULL;  // nothing to load yet
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   444
  int cache_index = decode_cpcache_index(which, true);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   445
  ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   446
  return e->appendix_if_resolved(cpool);
10008
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   447
}
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   448
d84de97ad847 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents: 9116
diff changeset
   449
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   450
bool ConstantPool::has_method_type_at_if_loaded(const constantPoolHandle& cpool, int which) {
13929
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   451
  if (cpool->cache() == NULL)  return false;  // nothing to load yet
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   452
  int cache_index = decode_cpcache_index(which, true);
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   453
  ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   454
  return e->has_method_type();
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   455
}
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   456
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   457
oop ConstantPool::method_type_at_if_loaded(const constantPoolHandle& cpool, int which) {
13929
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   458
  if (cpool->cache() == NULL)  return NULL;  // nothing to load yet
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   459
  int cache_index = decode_cpcache_index(which, true);
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   460
  ConstantPoolCacheEntry* e = cpool->cache()->entry_at(cache_index);
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   461
  return e->method_type_if_resolved(cpool);
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   462
}
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   463
8da0dc50a6e4 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents: 13736
diff changeset
   464
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   465
Symbol* ConstantPool::impl_name_ref_at(int which, bool uncached) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   466
  int name_index = name_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   467
  return symbol_at(name_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   468
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   469
489c9b5090e2 Initial load
duke
parents:
diff changeset
   470
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   471
Symbol* ConstantPool::impl_signature_ref_at(int which, bool uncached) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   472
  int signature_index = signature_ref_index_at(impl_name_and_type_ref_index_at(which, uncached));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
  return symbol_at(signature_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   477
int ConstantPool::impl_name_and_type_ref_index_at(int which, bool uncached) {
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   478
  int i = which;
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   479
  if (!uncached && cache() != NULL) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   480
    if (ConstantPool::is_invokedynamic_index(which)) {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
   481
      // Invokedynamic index is index into the constant pool cache
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   482
      int pool_index = invokedynamic_cp_cache_entry_at(which)->constant_pool_index();
9116
9bc44be338d6 6981791: remove experimental code for JSR 292
jrose
parents: 8725
diff changeset
   483
      pool_index = invoke_dynamic_name_and_type_ref_index_at(pool_index);
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
   484
      assert(tag_at(pool_index).is_name_and_type(), "");
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
   485
      return pool_index;
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
   486
    }
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   487
    // change byte-ordering and go via cache
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   488
    i = remap_instruction_operand_from_cache(which);
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   489
  } else {
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   490
    if (tag_at(which).is_invoke_dynamic()) {
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   491
      int pool_index = invoke_dynamic_name_and_type_ref_index_at(which);
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   492
      assert(tag_at(pool_index).is_name_and_type(), "");
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   493
      return pool_index;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   494
    }
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   495
  }
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   496
  assert(tag_at(i).is_field_or_method(), "Corrupted constant pool");
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   497
  assert(!tag_at(i).is_invoke_dynamic(), "Must be handled above");
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   498
  jint ref_index = *int_at_addr(i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   499
  return extract_high_short_from_int(ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   500
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
38719
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   502
constantTag ConstantPool::impl_tag_ref_at(int which, bool uncached) {
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   503
  int pool_index = which;
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   504
  if (!uncached && cache() != NULL) {
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   505
    if (ConstantPool::is_invokedynamic_index(which)) {
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   506
      // Invokedynamic index is index into resolved_references
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   507
      pool_index = invokedynamic_cp_cache_entry_at(which)->constant_pool_index();
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   508
    } else {
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   509
      // change byte-ordering and go via cache
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   510
      pool_index = remap_instruction_operand_from_cache(which);
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   511
    }
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   512
  }
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   513
  return tag_at(pool_index);
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   514
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   516
int ConstantPool::impl_klass_ref_index_at(int which, bool uncached) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   517
  guarantee(!ConstantPool::is_invokedynamic_index(which),
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   518
            "an invokedynamic instruction does not have a klass");
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   519
  int i = which;
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   520
  if (!uncached && cache() != NULL) {
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   521
    // change byte-ordering and go via cache
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   522
    i = remap_instruction_operand_from_cache(which);
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   523
  }
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   524
  assert(tag_at(i).is_field_or_method(), "Corrupted constant pool");
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   525
  jint ref_index = *int_at_addr(i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   526
  return extract_low_short_from_int(ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   527
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   528
489c9b5090e2 Initial load
duke
parents:
diff changeset
   529
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   530
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   531
int ConstantPool::remap_instruction_operand_from_cache(int operand) {
5688
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 4571
diff changeset
   532
  int cpc_index = operand;
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 4571
diff changeset
   533
  DEBUG_ONLY(cpc_index -= CPCACHE_INDEX_TAG);
9052dc91ea67 6939207: refactor constant pool index processing
jrose
parents: 4571
diff changeset
   534
  assert((int)(u2)cpc_index == cpc_index, "clean u2");
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   535
  int member_index = cache()->entry_at(cpc_index)->constant_pool_index();
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 2860
diff changeset
   536
  return member_index;
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   537
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   538
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   539
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   540
void ConstantPool::verify_constant_pool_resolve(const constantPoolHandle& this_cp, Klass* k, TRAPS) {
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
   541
 if (k->is_instance_klass() || k->is_objArray_klass()) {
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   542
    InstanceKlass* holder = this_cp->pool_holder();
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   543
    Klass* elem = k->is_instance_klass() ? k : ObjArrayKlass::cast(k)->bottom_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
    // The element type could be a typeArray - we only need the access check if it is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
    // an reference to another class
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   547
    if (elem->is_instance_klass()) {
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   548
      LinkResolver::check_klass_accessability(holder, elem, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   549
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   552
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   554
int ConstantPool::name_ref_index_at(int which_nt) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   555
  jint ref_index = name_and_type_at(which_nt);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   556
  return extract_low_short_from_int(ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   557
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   558
489c9b5090e2 Initial load
duke
parents:
diff changeset
   559
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   560
int ConstantPool::signature_ref_index_at(int which_nt) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2105
diff changeset
   561
  jint ref_index = name_and_type_at(which_nt);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   562
  return extract_high_short_from_int(ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   563
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   564
489c9b5090e2 Initial load
duke
parents:
diff changeset
   565
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   566
Klass* ConstantPool::klass_ref_at(int which, TRAPS) {
27680
8ecc0871c18e 8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents: 27408
diff changeset
   567
  return klass_at(klass_ref_index_at(which), THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   568
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   569
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
   570
Symbol* ConstantPool::klass_name_at(int which) const {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   571
  return symbol_at(klass_slot_at(which).name_index());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   574
Symbol* ConstantPool::klass_ref_at_noresolve(int which) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
  jint ref_index = klass_ref_index_at(which);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
  return klass_at_noresolve(ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   579
Symbol* ConstantPool::uncached_klass_ref_at_noresolve(int which) {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   580
  jint ref_index = uncached_klass_ref_index_at(which);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   581
  return klass_at_noresolve(ref_index);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   582
}
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   583
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   584
char* ConstantPool::string_at_noresolve(int which) {
28741
1f10b1bd612d 8008678: JSR 292: constant pool reconstitution must support pseudo strings
sspitsyn
parents: 27680
diff changeset
   585
  return unresolved_string_at(which)->as_C_string();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34238
diff changeset
   588
BasicType ConstantPool::basic_type_for_signature_at(int which) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
  return FieldType::basic_type(symbol_at(which));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   593
void ConstantPool::resolve_string_constants_impl(const constantPoolHandle& this_cp, TRAPS) {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   594
  for (int index = 1; index < this_cp->length(); index++) { // Index 0 is unused
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   595
    if (this_cp->tag_at(index).is_string()) {
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   596
      this_cp->string_at(index, CHECK);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   601
// Resolve all the classes in the constant pool.  If they are all resolved,
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   602
// the constant pool is read-only.  Enhancement: allocate cp entries to
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   603
// another metaspace, and copy to read-only or read-write space if this
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   604
// bit is set.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   605
bool ConstantPool::resolve_class_constants(TRAPS) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   606
  constantPoolHandle cp(THREAD, this);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   607
  for (int index = 1; index < length(); index++) { // Index 0 is unused
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   608
    if (tag_at(index).is_unresolved_klass() &&
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   609
        klass_at_if_loaded(cp, index) == NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   610
      return false;
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   611
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   612
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   613
  // set_preresolution(); or some bit for future use
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   614
  return true;
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   615
}
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   616
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   617
Symbol* ConstantPool::exception_message(const constantPoolHandle& this_cp, int which, constantTag tag, oop pending_exception) {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   618
  // Dig out the detailed message to reuse if possible
25624
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25325
diff changeset
   619
  Symbol* message = java_lang_Throwable::detail_message(pending_exception);
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25325
diff changeset
   620
  if (message != NULL) {
b3bd733f04e9 8048933: -XX:+TraceExceptions output should include the message
coleenp
parents: 25325
diff changeset
   621
    return message;
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   622
  }
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   623
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   624
  // Return specific message for the tag
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   625
  switch (tag.value()) {
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   626
  case JVM_CONSTANT_UnresolvedClass:
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   627
    // return the class name in the error message
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   628
    message = this_cp->klass_name_at(which);
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   629
    break;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   630
  case JVM_CONSTANT_MethodHandle:
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   631
    // return the method handle name in the error message
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   632
    message = this_cp->method_handle_name_ref_at(which);
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   633
    break;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   634
  case JVM_CONSTANT_MethodType:
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   635
    // return the method type signature in the error message
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   636
    message = this_cp->method_type_signature_at(which);
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   637
    break;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   638
  default:
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   639
    ShouldNotReachHere();
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   640
  }
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   641
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   642
  return message;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   643
}
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   644
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   645
void ConstantPool::throw_resolution_error(const constantPoolHandle& this_cp, int which, TRAPS) {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   646
  Symbol* message = NULL;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   647
  Symbol* error = SystemDictionary::find_resolution_error(this_cp, which, &message);
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   648
  assert(error != NULL && message != NULL, "checking");
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   649
  CLEAR_PENDING_EXCEPTION;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   650
  ResourceMark rm;
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   651
  THROW_MSG(error, message->as_C_string());
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   652
}
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   653
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   654
// If resolution for Class, MethodHandle or MethodType fails, save the exception
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   655
// in the resolution error table, so that the same exception is thrown again.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   656
void ConstantPool::save_and_throw_exception(const constantPoolHandle& this_cp, int which,
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   657
                                            constantTag tag, TRAPS) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   658
  Symbol* error = PENDING_EXCEPTION->klass()->name();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   659
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   660
  int error_tag = tag.error_value();
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   661
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   662
  if (!PENDING_EXCEPTION->
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   663
    is_a(SystemDictionary::LinkageError_klass())) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   664
    // Just throw the exception and don't prevent these classes from
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   665
    // being loaded due to virtual machine errors like StackOverflow
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   666
    // and OutOfMemoryError, etc, or if the thread was hit by stop()
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   667
    // Needs clarification to section 5.4.3 of the VM spec (see 6308271)
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   668
  } else if (this_cp->tag_at(which).value() != error_tag) {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   669
    Symbol* message = exception_message(this_cp, which, tag, PENDING_EXCEPTION);
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   670
    SystemDictionary::add_resolution_error(this_cp, which, error, message);
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   671
    // CAS in the tag.  If a thread beat us to registering this error that's fine.
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   672
    // If another thread resolved the reference, this is a race condition. This
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   673
    // thread may have had a security manager or something temporary.
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   674
    // This doesn't deterministically get an error.   So why do we save this?
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   675
    // We save this because jvmti can add classes to the bootclass path after
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   676
    // this error, so it needs to get the same error if the error is first.
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   677
    jbyte old_tag = Atomic::cmpxchg((jbyte)error_tag,
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   678
                            (jbyte*)this_cp->tag_addr_at(which), (jbyte)tag.value());
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   679
    if (old_tag != error_tag && old_tag != tag.value()) {
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   680
      // MethodHandles and MethodType doesn't change to resolved version.
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   681
      assert(this_cp->tag_at(which).is_klass(), "Wrong tag value");
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   682
      // Forget the exception and use the resolved class.
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   683
      CLEAR_PENDING_EXCEPTION;
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   684
    }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   685
  } else {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   686
    // some other thread put this in error state
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   687
    throw_resolution_error(this_cp, which, CHECK);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   688
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   689
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   690
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   691
// Called to resolve constants in the constant pool and return an oop.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   692
// Some constant pool entries cache their resolved oop. This is also
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   693
// called to create oops from constants to use in arguments for invokedynamic
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   694
oop ConstantPool::resolve_constant_at_impl(const constantPoolHandle& this_cp, int index, int cache_index, TRAPS) {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   695
  oop result_oop = NULL;
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   696
  Handle throw_exception;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   697
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   698
  if (cache_index == _possible_index_sentinel) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   699
    // It is possible that this constant is one which is cached in the objects.
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   700
    // We'll do a linear search.  This should be OK because this usage is rare.
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   701
    assert(index > 0, "valid index");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   702
    cache_index = this_cp->cp_to_object_index(index);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   703
  }
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   704
  assert(cache_index == _no_index_sentinel || cache_index >= 0, "");
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   705
  assert(index == _no_index_sentinel || index >= 0, "");
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   706
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   707
  if (cache_index >= 0) {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   708
    result_oop = this_cp->resolved_references()->obj_at(cache_index);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   709
    if (result_oop != NULL) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   710
      return result_oop;
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   711
      // That was easy...
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   712
    }
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   713
    index = this_cp->object_to_cp_index(cache_index);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   714
  }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   715
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   716
  jvalue prim_value;  // temp used only in a few cases below
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   717
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   718
  constantTag tag = this_cp->tag_at(index);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   719
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   720
  switch (tag.value()) {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   721
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   722
  case JVM_CONSTANT_UnresolvedClass:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   723
  case JVM_CONSTANT_UnresolvedClassInError:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   724
  case JVM_CONSTANT_Class:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   725
    {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   726
      assert(cache_index == _no_index_sentinel, "should not have been set");
27408
9a8090dd6ec3 8058093: Test nsk/stress/jck60/jck60014: assert in src/share/vm/oops/constantPool.cpp: should not be resolved otherwise
coleenp
parents: 27247
diff changeset
   727
      Klass* resolved = klass_at_impl(this_cp, index, true, CHECK_NULL);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   728
      // ldc wants the java mirror.
8725
8c1e3dd5fe1b 7017732: move static fields into Class to prepare for perm gen removal
never
parents: 8651
diff changeset
   729
      result_oop = resolved->java_mirror();
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   730
      break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   731
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   732
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   733
  case JVM_CONSTANT_String:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   734
    assert(cache_index != _no_index_sentinel, "should have been set");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   735
    if (this_cp->is_pseudo_string_at(index)) {
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   736
      result_oop = this_cp->pseudo_string_at(index, cache_index);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   737
      break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   738
    }
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   739
    result_oop = string_at_impl(this_cp, index, cache_index, CHECK_NULL);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   740
    break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   741
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   742
  case JVM_CONSTANT_MethodHandleInError:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   743
  case JVM_CONSTANT_MethodTypeInError:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   744
    {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   745
      throw_resolution_error(this_cp, index, CHECK_NULL);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   746
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   747
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   748
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   749
  case JVM_CONSTANT_MethodHandle:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   750
    {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   751
      int ref_kind                 = this_cp->method_handle_ref_kind_at(index);
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   752
      int callee_index             = this_cp->method_handle_klass_index_at(index);
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   753
      Symbol*  name =      this_cp->method_handle_name_ref_at(index);
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   754
      Symbol*  signature = this_cp->method_handle_signature_ref_at(index);
38719
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   755
      constantTag m_tag  = this_cp->tag_at(this_cp->method_handle_index_at(index));
37451
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   756
      { ResourceMark rm(THREAD);
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   757
        log_debug(class, resolve)("resolve JVM_CONSTANT_MethodHandle:%d [%d/%d/%d] %s.%s",
37451
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   758
                              ref_kind, index, this_cp->method_handle_index_at(index),
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   759
                              callee_index, name->as_C_string(), signature->as_C_string());
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   760
      }
39398
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   761
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   762
      Klass* callee = klass_at_impl(this_cp, callee_index, true, CHECK_NULL);
39398
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   763
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   764
      // Check constant pool method consistency
38719
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   765
      if ((callee->is_interface() && m_tag.is_method()) ||
39398
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   766
          ((!callee->is_interface() && m_tag.is_interface_method()))) {
38719
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   767
        ResourceMark rm(THREAD);
39398
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   768
        char buf[400];
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   769
        jio_snprintf(buf, sizeof(buf),
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   770
          "Inconsistent constant pool data in classfile for class %s. "
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   771
          "Method %s%s at index %d is %s and should be %s",
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   772
          callee->name()->as_C_string(), name->as_C_string(), signature->as_C_string(), index,
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   773
          callee->is_interface() ? "CONSTANT_MethodRef" : "CONSTANT_InterfaceMethodRef",
16b3ed4012f8 8159470: Error message for ICCE for MethodHandle constant pool not helpful
coleenp
parents: 38719
diff changeset
   774
          callee->is_interface() ? "CONSTANT_InterfaceMethodRef" : "CONSTANT_MethodRef");
38719
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   775
        THROW_MSG_NULL(vmSymbols::java_lang_IncompatibleClassChangeError(), buf);
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   776
      }
133bf85c3f36 8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents: 38658
diff changeset
   777
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   778
      Klass* klass = this_cp->pool_holder();
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   779
      Handle value = SystemDictionary::link_method_handle_constant(klass, ref_kind,
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   780
                                                                   callee, name, signature,
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   781
                                                                   THREAD);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   782
      result_oop = value();
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   783
      if (HAS_PENDING_EXCEPTION) {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   784
        save_and_throw_exception(this_cp, index, tag, CHECK_NULL);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   785
      }
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   786
      break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   787
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   788
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   789
  case JVM_CONSTANT_MethodType:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   790
    {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   791
      Symbol*  signature = this_cp->method_type_signature_at(index);
37451
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   792
      { ResourceMark rm(THREAD);
38151
fffedc5e5cf8 8154110: Update class* and safepoint* logging subsystems
mockner
parents: 37475
diff changeset
   793
        log_debug(class, resolve)("resolve JVM_CONSTANT_MethodType [%d/%d] %s",
37451
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   794
                              index, this_cp->method_type_index_at(index),
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   795
                              signature->as_C_string());
ab07c0e0b05c 8152468: PrintMiscellaneous in constantPool should use classresolve logging.
mockner
parents: 37248
diff changeset
   796
      }
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   797
      Klass* klass = this_cp->pool_holder();
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   798
      Handle value = SystemDictionary::find_method_handle_type(signature, klass, THREAD);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   799
      result_oop = value();
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   800
      if (HAS_PENDING_EXCEPTION) {
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   801
        save_and_throw_exception(this_cp, index, tag, CHECK_NULL);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   802
      }
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   803
      break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   804
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   805
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   806
  case JVM_CONSTANT_Integer:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   807
    assert(cache_index == _no_index_sentinel, "should not have been set");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   808
    prim_value.i = this_cp->int_at(index);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   809
    result_oop = java_lang_boxing_object::create(T_INT, &prim_value, CHECK_NULL);
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   810
    break;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   811
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   812
  case JVM_CONSTANT_Float:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   813
    assert(cache_index == _no_index_sentinel, "should not have been set");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   814
    prim_value.f = this_cp->float_at(index);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   815
    result_oop = java_lang_boxing_object::create(T_FLOAT, &prim_value, CHECK_NULL);
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   816
    break;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   817
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   818
  case JVM_CONSTANT_Long:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   819
    assert(cache_index == _no_index_sentinel, "should not have been set");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   820
    prim_value.j = this_cp->long_at(index);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   821
    result_oop = java_lang_boxing_object::create(T_LONG, &prim_value, CHECK_NULL);
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   822
    break;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   823
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   824
  case JVM_CONSTANT_Double:
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   825
    assert(cache_index == _no_index_sentinel, "should not have been set");
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   826
    prim_value.d = this_cp->double_at(index);
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   827
    result_oop = java_lang_boxing_object::create(T_DOUBLE, &prim_value, CHECK_NULL);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   828
    break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   829
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   830
  default:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   831
    DEBUG_ONLY( tty->print_cr("*** %p: tag at CP[%d/%d] = %d",
24334
36096f7271f4 8023697: failed class resolution reports different class name in detail message for the first and subsequent times
coleenp
parents: 23872
diff changeset
   832
                              this_cp(), index, cache_index, tag.value()));
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   833
    assert(false, "unexpected constant tag");
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   834
    break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   835
  }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   836
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   837
  if (cache_index >= 0) {
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   838
    // Benign race condition:  resolved_references may already be filled in.
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   839
    // The important thing here is that all threads pick up the same result.
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   840
    // It doesn't matter which racing thread wins, as long as only one
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
   841
    // result is used by all threads, and all future queries.
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   842
    oop old_result = this_cp->resolved_references()->atomic_compare_exchange_oop(cache_index, result_oop, NULL);
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   843
    if (old_result == NULL) {
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   844
      return result_oop;  // was installed
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   845
    } else {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   846
      // Return the winning thread's result.  This can be different than
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   847
      // the result here for MethodHandles.
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   848
      return old_result;
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   849
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   850
  } else {
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   851
    return result_oop;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   852
  }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   853
}
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
   854
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   855
oop ConstantPool::uncached_string_at(int which, TRAPS) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   856
  Symbol* sym = unresolved_string_at(which);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   857
  oop str = StringTable::intern(sym, CHECK_(NULL));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   858
  assert(java_lang_String::is_instance(str), "must be string");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   859
  return str;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   860
}
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   861
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   862
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   863
oop ConstantPool::resolve_bootstrap_specifier_at_impl(const constantPoolHandle& this_cp, int index, TRAPS) {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   864
  assert(this_cp->tag_at(index).is_invoke_dynamic(), "Corrupted constant pool");
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   865
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   866
  Handle bsm;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   867
  int argc;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   868
  {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   869
    // JVM_CONSTANT_InvokeDynamic is an ordered pair of [bootm, name&type], plus optional arguments
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   870
    // The bootm, being a JVM_CONSTANT_MethodHandle, has its own cache entry.
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   871
    // It is accompanied by the optional arguments.
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   872
    int bsm_index = this_cp->invoke_dynamic_bootstrap_method_ref_index_at(index);
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   873
    oop bsm_oop = this_cp->resolve_possibly_cached_constant_at(bsm_index, CHECK_NULL);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   874
    if (!java_lang_invoke_MethodHandle::is_instance(bsm_oop)) {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   875
      THROW_MSG_NULL(vmSymbols::java_lang_LinkageError(), "BSM not an MethodHandle");
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   876
    }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   877
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   878
    // Extract the optional static arguments.
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   879
    argc = this_cp->invoke_dynamic_argument_count_at(index);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   880
    if (argc == 0)  return bsm_oop;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   881
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   882
    bsm = Handle(THREAD, bsm_oop);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   883
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   884
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   885
  objArrayHandle info;
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   886
  {
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   887
    objArrayOop info_oop = oopFactory::new_objArray(SystemDictionary::Object_klass(), 1+argc, CHECK_NULL);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   888
    info = objArrayHandle(THREAD, info_oop);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   889
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   890
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   891
  info->obj_at_put(0, bsm());
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   892
  for (int i = 0; i < argc; i++) {
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   893
    int arg_index = this_cp->invoke_dynamic_argument_index_at(index, i);
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   894
    oop arg_oop = this_cp->resolve_possibly_cached_constant_at(arg_index, CHECK_NULL);
13391
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   895
    info->obj_at_put(1+i, arg_oop);
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   896
  }
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   897
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   898
  return info();
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   899
}
30245956af37 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 11626
diff changeset
   900
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   901
oop ConstantPool::string_at_impl(const constantPoolHandle& this_cp, int which, int obj_index, TRAPS) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   902
  // If the string has already been interned, this entry will be non-null
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   903
  oop str = this_cp->resolved_references()->obj_at(obj_index);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   904
  if (str != NULL) return str;
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   905
  Symbol* sym = this_cp->unresolved_string_at(which);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   906
  str = StringTable::intern(sym, CHECK_(NULL));
23515
f4872ef5df09 8031820: NPG: Fix remaining references to metadata as oops in comments
coleenp
parents: 23175
diff changeset
   907
  this_cp->string_at_put(which, obj_index, str);
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   908
  assert(java_lang_String::is_instance(str), "must be string");
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   909
  return str;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
46329
53ccc37bda19 8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents: 46324
diff changeset
   913
bool ConstantPool::klass_name_at_matches(const InstanceKlass* k, int which) {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   914
  // Names are interned, so we can compare Symbol*s directly
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   915
  Symbol* cp_name = klass_name_at(which);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
  return (cp_name == k->name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   920
// Iterate over symbols and decrement ones which are Symbol*s
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
   921
// This is done during GC.
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
   922
// Only decrement the UTF8 symbols. Strings point to
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   923
// these symbols but didn't increment the reference count.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   924
void ConstantPool::unreference_symbols() {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   925
  for (int index = 1; index < length(); index++) { // Index 0 is unused
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   926
    constantTag tag = tag_at(index);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   927
    if (tag.is_symbol()) {
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   928
      symbol_at(index)->decrement_refcount();
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   929
    }
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   930
  }
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
   931
}
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
// Compare this constant pool's entry at index1 to the constant pool
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
// cp2's entry at index2.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
   936
bool ConstantPool::compare_entry_to(int index1, const constantPoolHandle& cp2,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
       int index2, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
20677
ff4fc393de4c 8022592: assert at constantTag.cpp:57: ShouldNotReachHere()
coleenp
parents: 20672
diff changeset
   939
  // The error tags are equivalent to non-error tags when comparing
ff4fc393de4c 8022592: assert at constantTag.cpp:57: ShouldNotReachHere()
coleenp
parents: 20672
diff changeset
   940
  jbyte t1 = tag_at(index1).non_error_value();
ff4fc393de4c 8022592: assert at constantTag.cpp:57: ShouldNotReachHere()
coleenp
parents: 20672
diff changeset
   941
  jbyte t2 = cp2->tag_at(index2).non_error_value();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
  if (t1 != t2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
    // Not the same entry type so there is nothing else to check. Note
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
    // that this style of checking will consider resolved/unresolved
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   946
    // class pairs as different.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   947
    // From the ConstantPool* API point of view, this is correct
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   948
    // behavior. See VM_RedefineClasses::merge_constant_pools() to see how this
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   949
    // plays out in the context of ConstantPool* merging.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
  switch (t1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  case JVM_CONSTANT_Class:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
  {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   956
    Klass* k1 = klass_at(index1, CHECK_false);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   957
    Klass* k2 = cp2->klass_at(index2, CHECK_false);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
    if (k1 == k2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
  case JVM_CONSTANT_ClassIndex:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
    int recur1 = klass_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
    int recur2 = cp2->klass_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
    bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
    if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
  case JVM_CONSTANT_Double:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
    jdouble d1 = double_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
    jdouble d2 = cp2->double_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
    if (d1 == d2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
  case JVM_CONSTANT_Fieldref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   983
  case JVM_CONSTANT_InterfaceMethodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
  case JVM_CONSTANT_Methodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   986
    int recur1 = uncached_klass_ref_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
    int recur2 = cp2->uncached_klass_ref_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
    bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
    if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
      recur1 = uncached_name_and_type_ref_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
      recur2 = cp2->uncached_name_and_type_ref_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
      match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
      if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
        return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
  case JVM_CONSTANT_Float:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
    jfloat f1 = float_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
    jfloat f2 = cp2->float_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
    if (f1 == f2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
  case JVM_CONSTANT_Integer:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
    jint i1 = int_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
    jint i2 = cp2->int_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
    if (i1 == i2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
  case JVM_CONSTANT_Long:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
    jlong l1 = long_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
    jlong l2 = cp2->long_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
    if (l1 == l2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
  case JVM_CONSTANT_NameAndType:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
    int recur1 = name_ref_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
    int recur2 = cp2->name_ref_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
    bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
    if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
      recur1 = signature_ref_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
      recur2 = cp2->signature_ref_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
      match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
      if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
        return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
  case JVM_CONSTANT_StringIndex:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
    int recur1 = string_index_at(index1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
    int recur2 = cp2->string_index_at(index2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
    bool match = compare_entry_to(recur1, cp2, recur2, CHECK_false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
    if (match) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
  case JVM_CONSTANT_UnresolvedClass:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
  {
25325
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
  1053
    Symbol* k1 = klass_name_at(index1);
e3af4e02b0d5 8026977: NPG: Remove ConstantPool::lock
coleenp
parents: 24429
diff changeset
  1054
    Symbol* k2 = cp2->klass_name_at(index2);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
    if (k1 == k2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1060
  case JVM_CONSTANT_MethodType:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1061
  {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1062
    int k1 = method_type_index_at(index1);
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1063
    int k2 = cp2->method_type_index_at(index2);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1064
    bool match = compare_entry_to(k1, cp2, k2, CHECK_false);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1065
    if (match) {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1066
      return true;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1067
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1068
  } break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1069
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1070
  case JVM_CONSTANT_MethodHandle:
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1071
  {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1072
    int k1 = method_handle_ref_kind_at(index1);
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1073
    int k2 = cp2->method_handle_ref_kind_at(index2);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1074
    if (k1 == k2) {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1075
      int i1 = method_handle_index_at(index1);
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1076
      int i2 = cp2->method_handle_index_at(index2);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1077
      bool match = compare_entry_to(i1, cp2, i2, CHECK_false);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1078
      if (match) {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1079
        return true;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1080
      }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1081
    }
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1082
  } break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1083
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1084
  case JVM_CONSTANT_InvokeDynamic:
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1085
  {
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1086
    int k1 = invoke_dynamic_name_and_type_ref_index_at(index1);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1087
    int k2 = cp2->invoke_dynamic_name_and_type_ref_index_at(index2);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1088
    int i1 = invoke_dynamic_bootstrap_specifier_index(index1);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1089
    int i2 = cp2->invoke_dynamic_bootstrap_specifier_index(index2);
17833
52e915e40b15 8015265: revise the fix for 8007037
ccheung
parents: 17078
diff changeset
  1090
    // separate statements and variables because CHECK_false is used
52e915e40b15 8015265: revise the fix for 8007037
ccheung
parents: 17078
diff changeset
  1091
    bool match_entry = compare_entry_to(k1, cp2, k2, CHECK_false);
52e915e40b15 8015265: revise the fix for 8007037
ccheung
parents: 17078
diff changeset
  1092
    bool match_operand = compare_operand_to(i1, cp2, i2, CHECK_false);
52e915e40b15 8015265: revise the fix for 8007037
ccheung
parents: 17078
diff changeset
  1093
    return (match_entry && match_operand);
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1094
  } break;
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1095
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1096
  case JVM_CONSTANT_String:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1098
    Symbol* s1 = unresolved_string_at(index1);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1099
    Symbol* s2 = cp2->unresolved_string_at(index2);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
    if (s1 == s2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
  case JVM_CONSTANT_Utf8:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
  {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1107
    Symbol* s1 = symbol_at(index1);
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1108
    Symbol* s2 = cp2->symbol_at(index2);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
    if (s1 == s2) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
      return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
  // Invalid is used as the tag for the second constant pool entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
  // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
  // not be seen by itself.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
  case JVM_CONSTANT_Invalid: // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
  default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
    ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
    break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
} // end compare_entry_to()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1128
// Resize the operands array with delta_len and delta_size.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1129
// Used in RedefineClasses for CP merge.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1130
void ConstantPool::resize_operands(int delta_len, int delta_size, TRAPS) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1131
  int old_len  = operand_array_length(operands());
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1132
  int new_len  = old_len + delta_len;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1133
  int min_len  = (delta_len > 0) ? old_len : new_len;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1134
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1135
  int old_size = operands()->length();
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1136
  int new_size = old_size + delta_size;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1137
  int min_size = (delta_size > 0) ? old_size : new_size;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1138
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1139
  ClassLoaderData* loader_data = pool_holder()->class_loader_data();
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1140
  Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, new_size, CHECK);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1141
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1142
  // Set index in the resized array for existing elements only
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1143
  for (int idx = 0; idx < min_len; idx++) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1144
    int offset = operand_offset_at(idx);                       // offset in original array
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1145
    operand_offset_at_put(new_ops, idx, offset + 2*delta_len); // offset in resized array
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1146
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1147
  // Copy the bootstrap specifiers only
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1148
  Copy::conjoint_memory_atomic(operands()->adr_at(2*old_len),
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1149
                               new_ops->adr_at(2*new_len),
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1150
                               (min_size - 2*min_len) * sizeof(u2));
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1151
  // Explicitly deallocate old operands array.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1152
  // Note, it is not needed for 7u backport.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1153
  if ( operands() != NULL) { // the safety check
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1154
    MetadataFactory::free_array<u2>(loader_data, operands());
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1155
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1156
  set_operands(new_ops);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1157
} // end resize_operands()
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1158
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1159
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1160
// Extend the operands array with the length and size of the ext_cp operands.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1161
// Used in RedefineClasses for CP merge.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1162
void ConstantPool::extend_operands(const constantPoolHandle& ext_cp, TRAPS) {
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1163
  int delta_len = operand_array_length(ext_cp->operands());
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1164
  if (delta_len == 0) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1165
    return; // nothing to do
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1166
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1167
  int delta_size = ext_cp->operands()->length();
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1168
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1169
  assert(delta_len  > 0 && delta_size > 0, "extended operands array must be bigger");
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1170
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1171
  if (operand_array_length(operands()) == 0) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1172
    ClassLoaderData* loader_data = pool_holder()->class_loader_data();
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1173
    Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, delta_size, CHECK);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1174
    // The first element index defines the offset of second part
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1175
    operand_offset_at_put(new_ops, 0, 2*delta_len); // offset in new array
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1176
    set_operands(new_ops);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1177
  } else {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1178
    resize_operands(delta_len, delta_size, CHECK);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1179
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1180
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1181
} // end extend_operands()
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1182
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1183
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1184
// Shrink the operands array to a smaller array with new_len length.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1185
// Used in RedefineClasses for CP merge.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1186
void ConstantPool::shrink_operands(int new_len, TRAPS) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1187
  int old_len = operand_array_length(operands());
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1188
  if (new_len == old_len) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1189
    return; // nothing to do
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1190
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1191
  assert(new_len < old_len, "shrunken operands array must be smaller");
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1192
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1193
  int free_base  = operand_next_offset_at(new_len - 1);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1194
  int delta_len  = new_len - old_len;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1195
  int delta_size = 2*delta_len + free_base - operands()->length();
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1196
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1197
  resize_operands(delta_len, delta_size, CHECK);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1198
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1199
} // end shrink_operands()
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1200
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1201
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1202
void ConstantPool::copy_operands(const constantPoolHandle& from_cp,
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1203
                                 const constantPoolHandle& to_cp,
15433
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1204
                                 TRAPS) {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1205
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1206
  int from_oplen = operand_array_length(from_cp->operands());
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1207
  int old_oplen  = operand_array_length(to_cp->operands());
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1208
  if (from_oplen != 0) {
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1209
    ClassLoaderData* loader_data = to_cp->pool_holder()->class_loader_data();
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1210
    // append my operands to the target's operands array
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1211
    if (old_oplen == 0) {
14385
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1212
      // Can't just reuse from_cp's operand list because of deallocation issues
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1213
      int len = from_cp->operands()->length();
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1214
      Array<u2>* new_ops = MetadataFactory::new_array<u2>(loader_data, len, CHECK);
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1215
      Copy::conjoint_memory_atomic(
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1216
          from_cp->operands()->adr_at(0), new_ops->adr_at(0), len * sizeof(u2));
959bbcc16725 7200776: Implement default methods in interfaces
kamg
parents: 13961
diff changeset
  1217
      to_cp->set_operands(new_ops);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1218
    } else {
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1219
      int old_len  = to_cp->operands()->length();
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1220
      int from_len = from_cp->operands()->length();
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1221
      int old_off  = old_oplen * sizeof(u2);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1222
      int from_off = from_oplen * sizeof(u2);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1223
      // Use the metaspace for the destination constant pool
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1224
      Array<u2>* new_operands = MetadataFactory::new_array<u2>(loader_data, old_len + from_len, CHECK);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1225
      int fillp = 0, len = 0;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1226
      // first part of dest
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1227
      Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(0),
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1228
                                   new_operands->adr_at(fillp),
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1229
                                   (len = old_off) * sizeof(u2));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1230
      fillp += len;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1231
      // first part of src
15445
3a166138739c 8006546: JSR 292: typos in the ConstantPool::copy_cp_impl()
sspitsyn
parents: 15438
diff changeset
  1232
      Copy::conjoint_memory_atomic(from_cp->operands()->adr_at(0),
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1233
                                   new_operands->adr_at(fillp),
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1234
                                   (len = from_off) * sizeof(u2));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1235
      fillp += len;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1236
      // second part of dest
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1237
      Copy::conjoint_memory_atomic(to_cp->operands()->adr_at(old_off),
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1238
                                   new_operands->adr_at(fillp),
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1239
                                   (len = old_len - old_off) * sizeof(u2));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1240
      fillp += len;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1241
      // second part of src
15445
3a166138739c 8006546: JSR 292: typos in the ConstantPool::copy_cp_impl()
sspitsyn
parents: 15438
diff changeset
  1242
      Copy::conjoint_memory_atomic(from_cp->operands()->adr_at(from_off),
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1243
                                   new_operands->adr_at(fillp),
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1244
                                   (len = from_len - from_off) * sizeof(u2));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1245
      fillp += len;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1246
      assert(fillp == new_operands->length(), "");
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1247
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1248
      // Adjust indexes in the first part of the copied operands array.
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1249
      for (int j = 0; j < from_oplen; j++) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1250
        int offset = operand_offset_at(new_operands, old_oplen + j);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1251
        assert(offset == operand_offset_at(from_cp->operands(), j), "correct copy");
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1252
        offset += old_len;  // every new tuple is preceded by old_len extra u2's
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1253
        operand_offset_at_put(new_operands, old_oplen + j, offset);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1254
      }
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1255
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1256
      // replace target operands array with combined array
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1257
      to_cp->set_operands(new_operands);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1258
    }
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1259
  }
15433
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1260
} // end copy_operands()
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1261
15433
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1262
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1263
// Copy this constant pool's entries at start_i to end_i (inclusive)
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1264
// to the constant pool to_cp's entries starting at to_i. A total of
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1265
// (end_i - start_i) + 1 entries are copied.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1266
void ConstantPool::copy_cp_to_impl(const constantPoolHandle& from_cp, int start_i, int end_i,
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1267
       const constantPoolHandle& to_cp, int to_i, TRAPS) {
15433
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1268
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1269
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1270
  int dest_i = to_i;  // leave original alone for debug purposes
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1271
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1272
  for (int src_i = start_i; src_i <= end_i; /* see loop bottom */ ) {
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1273
    copy_entry_to(from_cp, src_i, to_cp, dest_i, CHECK);
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1274
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1275
    switch (from_cp->tag_at(src_i).value()) {
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1276
    case JVM_CONSTANT_Double:
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1277
    case JVM_CONSTANT_Long:
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1278
      // double and long take two constant pool entries
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1279
      src_i += 2;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1280
      dest_i += 2;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1281
      break;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1282
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1283
    default:
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1284
      // all others take one constant pool entry
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1285
      src_i++;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1286
      dest_i++;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1287
      break;
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1288
    }
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1289
  }
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1290
  copy_operands(from_cp, to_cp, CHECK);
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1291
0f53fd973576 8005128: JSR 292: the mlvm redefineClassInBootstrap test crashes in ConstantPool::compare_entry_to
sspitsyn
parents: 15430
diff changeset
  1292
} // end copy_cp_to_impl()
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
// Copy this constant pool's entry at from_i to the constant pool
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
// to_cp's entry at to_i.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1297
void ConstantPool::copy_entry_to(const constantPoolHandle& from_cp, int from_i,
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1298
                                        const constantPoolHandle& to_cp, int to_i,
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1299
                                        TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1301
  int tag = from_cp->tag_at(from_i).value();
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1302
  switch (tag) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
  case JVM_CONSTANT_ClassIndex:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1305
    jint ki = from_cp->klass_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
    to_cp->klass_index_at_put(to_i, ki);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  case JVM_CONSTANT_Double:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1311
    jdouble d = from_cp->double_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
    to_cp->double_at_put(to_i, d);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
    // double takes two constant pool entries so init second entry's tag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
    to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
  case JVM_CONSTANT_Fieldref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1319
    int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1320
    int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
    to_cp->field_at_put(to_i, class_index, name_and_type_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
  case JVM_CONSTANT_Float:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1326
    jfloat f = from_cp->float_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
    to_cp->float_at_put(to_i, f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
  case JVM_CONSTANT_Integer:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1332
    jint i = from_cp->int_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
    to_cp->int_at_put(to_i, i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
  case JVM_CONSTANT_InterfaceMethodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1338
    int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1339
    int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
    to_cp->interface_method_at_put(to_i, class_index, name_and_type_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
  case JVM_CONSTANT_Long:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1345
    jlong l = from_cp->long_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
    to_cp->long_at_put(to_i, l);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
    // long takes two constant pool entries so init second entry's tag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
    to_cp->tag_at_put(to_i + 1, JVM_CONSTANT_Invalid);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
  case JVM_CONSTANT_Methodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1353
    int class_index = from_cp->uncached_klass_ref_index_at(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1354
    int name_and_type_index = from_cp->uncached_name_and_type_ref_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
    to_cp->method_at_put(to_i, class_index, name_and_type_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
  case JVM_CONSTANT_NameAndType:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1360
    int name_ref_index = from_cp->name_ref_index_at(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1361
    int signature_ref_index = from_cp->signature_ref_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
    to_cp->name_and_type_at_put(to_i, name_ref_index, signature_ref_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
  case JVM_CONSTANT_StringIndex:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1367
    jint si = from_cp->string_index_at(from_i);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
    to_cp->string_index_at_put(to_i, si);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1371
  case JVM_CONSTANT_Class:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
  case JVM_CONSTANT_UnresolvedClass:
23175
892220ab2ae1 8035150: ShouldNotReachHere() in ConstantPool::copy_entry_to
sla
parents: 22750
diff changeset
  1373
  case JVM_CONSTANT_UnresolvedClassInError:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
  {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1375
    // Revert to JVM_CONSTANT_ClassIndex
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1376
    int name_index = from_cp->klass_slot_at(from_i).name_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1377
    assert(from_cp->tag_at(name_index).is_symbol(), "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1378
    to_cp->klass_index_at_put(to_i, name_index);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1381
  case JVM_CONSTANT_String:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
  {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1383
    Symbol* s = from_cp->unresolved_string_at(from_i);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1384
    to_cp->unresolved_string_at_put(to_i, s);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  case JVM_CONSTANT_Utf8:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
  {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1389
    Symbol* s = from_cp->symbol_at(from_i);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1390
    // Need to increase refcount, the old one will be thrown away and deferenced
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1391
    s->increment_refcount();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
    to_cp->symbol_at_put(to_i, s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1395
  case JVM_CONSTANT_MethodType:
20672
9340852feeef 8025185: MethodHandleInError and MethodTypeInError not handled in ConstantPool::compare_entry_to and copy_entry_to
coleenp
parents: 20282
diff changeset
  1396
  case JVM_CONSTANT_MethodTypeInError:
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1397
  {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1398
    jint k = from_cp->method_type_index_at(from_i);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1399
    to_cp->method_type_index_at_put(to_i, k);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1400
  } break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1401
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1402
  case JVM_CONSTANT_MethodHandle:
20672
9340852feeef 8025185: MethodHandleInError and MethodTypeInError not handled in ConstantPool::compare_entry_to and copy_entry_to
coleenp
parents: 20282
diff changeset
  1403
  case JVM_CONSTANT_MethodHandleInError:
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1404
  {
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1405
    int k1 = from_cp->method_handle_ref_kind_at(from_i);
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1406
    int k2 = from_cp->method_handle_index_at(from_i);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1407
    to_cp->method_handle_index_at_put(to_i, k1, k2);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1408
  } break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1409
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1410
  case JVM_CONSTANT_InvokeDynamic:
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1411
  {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1412
    int k1 = from_cp->invoke_dynamic_bootstrap_specifier_index(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1413
    int k2 = from_cp->invoke_dynamic_name_and_type_ref_index_at(from_i);
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1414
    k1 += operand_array_length(to_cp->operands());  // to_cp might already have operands
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1415
    to_cp->invoke_dynamic_at_put(to_i, k1, k2);
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1416
  } break;
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1417
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
  // Invalid is used as the tag for the second constant pool entry
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
  // occupied by JVM_CONSTANT_Double or JVM_CONSTANT_Long. It should
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
  // not be seen by itself.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
  case JVM_CONSTANT_Invalid: // fall through
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
  default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
  {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
    ShouldNotReachHere();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
  } break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
} // end copy_entry_to()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
// Search constant pool search_cp for an entry that matches this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
// constant pool's entry at pattern_i. Returns the index of a
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
// matching entry or zero (0) if there is no matching entry.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1433
int ConstantPool::find_matching_entry(int pattern_i,
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1434
      const constantPoolHandle& search_cp, TRAPS) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
  // index zero (0) is not used
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
  for (int i = 1; i < search_cp->length(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
    bool found = compare_entry_to(pattern_i, search_cp, i, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
    if (found) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1440
      return i;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
  return 0;  // entry not found; return unused index zero (0)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
} // end find_matching_entry()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1448
// Compare this constant pool's bootstrap specifier at idx1 to the constant pool
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1449
// cp2's bootstrap specifier at idx2.
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1450
bool ConstantPool::compare_operand_to(int idx1, const constantPoolHandle& cp2, int idx2, TRAPS) {
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1451
  int k1 = operand_bootstrap_method_ref_index_at(idx1);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1452
  int k2 = cp2->operand_bootstrap_method_ref_index_at(idx2);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1453
  bool match = compare_entry_to(k1, cp2, k2, CHECK_false);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1454
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1455
  if (!match) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1456
    return false;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1457
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1458
  int argc = operand_argument_count_at(idx1);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1459
  if (argc == cp2->operand_argument_count_at(idx2)) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1460
    for (int j = 0; j < argc; j++) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1461
      k1 = operand_argument_index_at(idx1, j);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1462
      k2 = cp2->operand_argument_index_at(idx2, j);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1463
      match = compare_entry_to(k1, cp2, k2, CHECK_false);
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1464
      if (!match) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1465
        return false;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1466
      }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1467
    }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1468
    return true;           // got through loop; all elements equal
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1469
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1470
  return false;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1471
} // end compare_operand_to()
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1472
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1473
// Search constant pool search_cp for a bootstrap specifier that matches
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1474
// this constant pool's bootstrap specifier at pattern_i index.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1475
// Return the index of a matching bootstrap specifier or (-1) if there is no match.
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1476
int ConstantPool::find_matching_operand(int pattern_i,
33593
60764a78fa5c 8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents: 33148
diff changeset
  1477
                    const constantPoolHandle& search_cp, int search_len, TRAPS) {
17077
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1478
  for (int i = 0; i < search_len; i++) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1479
    bool found = compare_operand_to(pattern_i, search_cp, i, CHECK_(-1));
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1480
    if (found) {
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1481
      return i;
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1482
    }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1483
  }
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1484
  return -1;  // bootstrap specifier not found; return unused index (-1)
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1485
} // end find_matching_operand()
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1486
8607f7c33310 8007037: JSR 292: the VM_RedefineClasses::append_entry() should do cross-checks with indy operands
sspitsyn
parents: 16670
diff changeset
  1487
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1490
const char* ConstantPool::printable_name_at(int which) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
  constantTag tag = tag_at(which);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1494
  if (tag.is_string()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1495
    return string_at_noresolve(which);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
  } else if (tag.is_klass() || tag.is_unresolved_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
    return klass_name_at(which)->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
  } else if (tag.is_symbol()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
    return symbol_at(which)->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
  return "";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
// JVMTI GetConstantPool support
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
16670
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1509
// For debugging of constant pool
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1510
const bool debug_cpool = false;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
16670
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1512
#define DBG(code) do { if (debug_cpool) { (code); } } while(0)
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
static void print_cpool_bytes(jint cnt, u1 *bytes) {
16670
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1515
  const char* WARN_MSG = "Must not be such entry!";
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
  jint size = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
  u2   idx1, idx2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
  for (jint idx = 1; idx < cnt; idx++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
    jint ent_size = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
    u1   tag  = *bytes++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
    size++;                       // count tag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
    printf("const #%03d, tag: %02d ", idx, tag);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
    switch(tag) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
      case JVM_CONSTANT_Invalid: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
        printf("Invalid");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
      case JVM_CONSTANT_Unicode: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
        printf("Unicode      %s", WARN_MSG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1532
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1533
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
      case JVM_CONSTANT_Utf8: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
        u2 len = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
        char str[128];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
        if (len > 127) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1538
           len = 127;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
        strncpy(str, (char *) (bytes+2), len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
        str[len] = '\0';
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
        printf("Utf8          \"%s\"", str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1543
        ent_size = 2 + len;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
      case JVM_CONSTANT_Integer: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1547
        u4 val = Bytes::get_Java_u4(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1548
        printf("int          %d", *(int *) &val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1549
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1550
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1551
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1552
      case JVM_CONSTANT_Float: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1553
        u4 val = Bytes::get_Java_u4(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1554
        printf("float        %5.3ff", *(float *) &val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
      case JVM_CONSTANT_Long: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
        u8 val = Bytes::get_Java_u8(bytes);
31592
43f48e165466 8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
bpittore
parents: 31046
diff changeset
  1560
        printf("long         " INT64_FORMAT, (int64_t) *(jlong *) &val);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1561
        ent_size = 8;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1562
        idx++; // Long takes two cpool slots
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1563
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
      case JVM_CONSTANT_Double: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
        u8 val = Bytes::get_Java_u8(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
        printf("double       %5.3fd", *(jdouble *)&val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1568
        ent_size = 8;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
        idx++; // Double takes two cpool slots
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
      case JVM_CONSTANT_Class: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
        printf("class        #%03d", idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
        ent_size = 2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
      case JVM_CONSTANT_String: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
        printf("String       #%03d", idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
        ent_size = 2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
      case JVM_CONSTANT_Fieldref: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
        idx2 = Bytes::get_Java_u2(bytes+2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
        printf("Field        #%03d, #%03d", (int) idx1, (int) idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
      case JVM_CONSTANT_Methodref: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
        idx2 = Bytes::get_Java_u2(bytes+2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
        printf("Method       #%03d, #%03d", idx1, idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
      case JVM_CONSTANT_InterfaceMethodref: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
        idx2 = Bytes::get_Java_u2(bytes+2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
        printf("InterfMethod #%03d, #%03d", idx1, idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
      case JVM_CONSTANT_NameAndType: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
        idx1 = Bytes::get_Java_u2(bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1607
        idx2 = Bytes::get_Java_u2(bytes+2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1608
        printf("NameAndType  #%03d, #%03d", idx1, idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
        ent_size = 4;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1610
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
      case JVM_CONSTANT_ClassIndex: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
        printf("ClassIndex  %s", WARN_MSG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
      case JVM_CONSTANT_UnresolvedClass: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
        printf("UnresolvedClass: %s", WARN_MSG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
      case JVM_CONSTANT_UnresolvedClassInError: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
        printf("UnresolvedClassInErr: %s", WARN_MSG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1623
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
      case JVM_CONSTANT_StringIndex: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
        printf("StringIndex: %s", WARN_MSG);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1626
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1627
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1628
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
    printf(";\n");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1630
    bytes += ent_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
    size  += ent_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1632
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
  printf("Cpool size: %d\n", size);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1634
  fflush(0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
  return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
} /* end print_cpool_bytes */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
// Returns size of constant pool entry.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1640
jint ConstantPool::cpool_entry_size(jint idx) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
  switch(tag_at(idx).value()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
    case JVM_CONSTANT_Invalid:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1643
    case JVM_CONSTANT_Unicode:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
      return 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
    case JVM_CONSTANT_Utf8:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
      return 3 + symbol_at(idx)->utf8_length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
    case JVM_CONSTANT_Class:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
    case JVM_CONSTANT_String:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
    case JVM_CONSTANT_ClassIndex:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
    case JVM_CONSTANT_UnresolvedClass:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
    case JVM_CONSTANT_UnresolvedClassInError:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
    case JVM_CONSTANT_StringIndex:
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1655
    case JVM_CONSTANT_MethodType:
20070
90ee74be2445 8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents: 20066
diff changeset
  1656
    case JVM_CONSTANT_MethodTypeInError:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
      return 3;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1659
    case JVM_CONSTANT_MethodHandle:
20070
90ee74be2445 8025088: Missing cases for JVM_CONSTANT_MethodHandleInError cause crash if debugger steps into error-tagged method handle
iklam
parents: 20066
diff changeset
  1660
    case JVM_CONSTANT_MethodHandleInError:
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1661
      return 4; //tag, ref_kind, ref_index
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1662
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
    case JVM_CONSTANT_Integer:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
    case JVM_CONSTANT_Float:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
    case JVM_CONSTANT_Fieldref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
    case JVM_CONSTANT_Methodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
    case JVM_CONSTANT_InterfaceMethodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
    case JVM_CONSTANT_NameAndType:
7114
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
  1669
      return 5;
65d21c4c6337 6984311: JSR 292 needs optional bootstrap method parameters
jrose
parents: 7111
diff changeset
  1670
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1671
    case JVM_CONSTANT_InvokeDynamic:
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1672
      // u1 tag, u2 bsm, u2 nt
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1673
      return 5;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
    case JVM_CONSTANT_Long:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
    case JVM_CONSTANT_Double:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
      return 9;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
  assert(false, "cpool_entry_size: Invalid constant pool entry tag");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
  return 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
} /* end cpool_entry_size */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
// SymbolHashMap is used to find a constant pool index from a string.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
// This function fills in SymbolHashMaps, one for utf8s and one for
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
// class names, returns size of the cpool raw bytes.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1687
jint ConstantPool::hash_entries_to(SymbolHashMap *symmap,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
                                          SymbolHashMap *classmap) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
  jint size = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
  for (u2 idx = 1; idx < length(); idx++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
    u2 tag = tag_at(idx).value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
    size += cpool_entry_size(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
    switch(tag) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
      case JVM_CONSTANT_Utf8: {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1697
        Symbol* sym = symbol_at(idx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
        symmap->add_entry(sym, idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
        DBG(printf("adding symbol entry %s = %d\n", sym->as_utf8(), idx));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
      case JVM_CONSTANT_Class:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
      case JVM_CONSTANT_UnresolvedClass:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
      case JVM_CONSTANT_UnresolvedClassInError: {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1705
        Symbol* sym = klass_name_at(idx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
        classmap->add_entry(sym, idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
        DBG(printf("adding class entry %s = %d\n", sym->as_utf8(), idx));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1710
      case JVM_CONSTANT_Long:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1711
      case JVM_CONSTANT_Double: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1712
        idx++; // Both Long and Double take two cpool slots
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1713
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1714
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1715
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  return size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
} /* end hash_utf8_entries_to */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1720
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1721
// Copy cpool bytes.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1722
// Returns:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
//    0, in case of OutOfMemoryError
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
//   -1, in case of internal error
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
//  > 0, count of the raw cpool bytes that have been copied
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1726
int ConstantPool::copy_cpool_bytes(int cpool_size,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
                                          SymbolHashMap* tbl,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
                                          unsigned char *bytes) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
  u2   idx1, idx2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  jint size  = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
  jint cnt   = length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
  unsigned char *start_bytes = bytes;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
  for (jint idx = 1; idx < cnt; idx++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
    u1   tag      = tag_at(idx).value();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
    jint ent_size = cpool_entry_size(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
    assert(size + ent_size <= cpool_size, "Size mismatch");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
    *bytes = tag;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
    DBG(printf("#%03hd tag=%03hd, ", idx, tag));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
    switch(tag) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
      case JVM_CONSTANT_Invalid: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
        DBG(printf("JVM_CONSTANT_Invalid"));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
      case JVM_CONSTANT_Unicode: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
        assert(false, "Wrong constant pool tag: JVM_CONSTANT_Unicode");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
        DBG(printf("JVM_CONSTANT_Unicode"));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
      case JVM_CONSTANT_Utf8: {
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1753
        Symbol* sym = symbol_at(idx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
        char*     str = sym->as_utf8();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
        // Warning! It's crashing on x86 with len = sym->utf8_length()
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
        int       len = (int) strlen(str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
        Bytes::put_Java_u2((address) (bytes+1), (u2) len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
        for (int i = 0; i < len; i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
            bytes[3+i] = (u1) str[i];
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
        DBG(printf("JVM_CONSTANT_Utf8: %s ", str));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
      case JVM_CONSTANT_Integer: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
        jint val = int_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
        Bytes::put_Java_u4((address) (bytes+1), *(u4*)&val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
      case JVM_CONSTANT_Float: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
        jfloat val = float_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
        Bytes::put_Java_u4((address) (bytes+1), *(u4*)&val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
      case JVM_CONSTANT_Long: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
        jlong val = long_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
        Bytes::put_Java_u8((address) (bytes+1), *(u8*)&val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
        idx++;             // Long takes two cpool slots
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
      case JVM_CONSTANT_Double: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
        jdouble val = double_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
        Bytes::put_Java_u8((address) (bytes+1), *(u8*)&val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
        idx++;             // Double takes two cpool slots
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
      case JVM_CONSTANT_Class:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
      case JVM_CONSTANT_UnresolvedClass:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
      case JVM_CONSTANT_UnresolvedClassInError: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
        *bytes = JVM_CONSTANT_Class;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1790
        Symbol* sym = klass_name_at(idx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
        idx1 = tbl->symbol_to_value(sym);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
        assert(idx1 != 0, "Have not found a hashtable entry");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
        Bytes::put_Java_u2((address) (bytes+1), idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
        DBG(printf("JVM_CONSTANT_Class: idx=#%03hd, %s", idx1, sym->as_utf8()));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
      case JVM_CONSTANT_String: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
        *bytes = JVM_CONSTANT_String;
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  1799
        Symbol* sym = unresolved_string_at(idx);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1800
        idx1 = tbl->symbol_to_value(sym);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1801
        assert(idx1 != 0, "Have not found a hashtable entry");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1802
        Bytes::put_Java_u2((address) (bytes+1), idx1);
16670
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1803
        DBG(printf("JVM_CONSTANT_String: idx=#%03hd, %s", idx1, sym->as_utf8()));
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1804
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1805
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
      case JVM_CONSTANT_Fieldref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
      case JVM_CONSTANT_Methodref:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
      case JVM_CONSTANT_InterfaceMethodref: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
        idx1 = uncached_klass_ref_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
        idx2 = uncached_name_and_type_ref_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
        Bytes::put_Java_u2((address) (bytes+1), idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
        Bytes::put_Java_u2((address) (bytes+3), idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
        DBG(printf("JVM_CONSTANT_Methodref: %hd %hd", idx1, idx2));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
      case JVM_CONSTANT_NameAndType: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
        idx1 = name_ref_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
        idx2 = signature_ref_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
        Bytes::put_Java_u2((address) (bytes+1), idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
        Bytes::put_Java_u2((address) (bytes+3), idx2);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
        DBG(printf("JVM_CONSTANT_NameAndType: %hd %hd", idx1, idx2));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
      case JVM_CONSTANT_ClassIndex: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
        *bytes = JVM_CONSTANT_Class;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
        idx1 = klass_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
        Bytes::put_Java_u2((address) (bytes+1), idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
        DBG(printf("JVM_CONSTANT_ClassIndex: %hd", idx1));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
      case JVM_CONSTANT_StringIndex: {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
        *bytes = JVM_CONSTANT_String;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
        idx1 = string_index_at(idx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1834
        Bytes::put_Java_u2((address) (bytes+1), idx1);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1835
        DBG(printf("JVM_CONSTANT_StringIndex: %hd", idx1));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1836
        break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1837
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1838
      case JVM_CONSTANT_MethodHandle:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1839
      case JVM_CONSTANT_MethodHandleInError: {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1840
        *bytes = JVM_CONSTANT_MethodHandle;
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1841
        int kind = method_handle_ref_kind_at(idx);
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1842
        idx1 = method_handle_index_at(idx);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1843
        *(bytes+1) = (unsigned char) kind;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1844
        Bytes::put_Java_u2((address) (bytes+2), idx1);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1845
        DBG(printf("JVM_CONSTANT_MethodHandle: %d %hd", kind, idx1));
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1846
        break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1847
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1848
      case JVM_CONSTANT_MethodType:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1849
      case JVM_CONSTANT_MethodTypeInError: {
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1850
        *bytes = JVM_CONSTANT_MethodType;
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  1851
        idx1 = method_type_index_at(idx);
5882
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1852
        Bytes::put_Java_u2((address) (bytes+1), idx1);
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1853
        DBG(printf("JVM_CONSTANT_MethodType: %hd", idx1));
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1854
        break;
6b2aecc4f7d8 6939203: JSR 292 needs method handle constants
jrose
parents: 5702
diff changeset
  1855
      }
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1856
      case JVM_CONSTANT_InvokeDynamic: {
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1857
        *bytes = tag;
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1858
        idx1 = extract_low_short_from_int(*int_at_addr(idx));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1859
        idx2 = extract_high_short_from_int(*int_at_addr(idx));
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1860
        assert(idx2 == invoke_dynamic_name_and_type_ref_index_at(idx), "correct half of u4");
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1861
        Bytes::put_Java_u2((address) (bytes+1), idx1);
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1862
        Bytes::put_Java_u2((address) (bytes+3), idx2);
7436
dbc43da3d512 7001379: bootstrap method data needs to be moved from constant pool to a classfile attribute
jrose
parents: 7397
diff changeset
  1863
        DBG(printf("JVM_CONSTANT_InvokeDynamic: %hd %hd", idx1, idx2));
6062
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1864
        break;
bab93afe9df7 6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents: 5882
diff changeset
  1865
      }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1867
    DBG(printf("\n"));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
    bytes += ent_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
    size  += ent_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
  assert(size == cpool_size, "Size mismatch");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
  // Keep temorarily for debugging until it's stable.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
  DBG(print_cpool_bytes(cnt, start_bytes));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
  return (int)(bytes - start_bytes);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
} /* end copy_cpool_bytes */
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
16670
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1878
#undef DBG
4af09aff4237 8003310: Enable -Wunused-function when compiling with gcc
mikael
parents: 16383
diff changeset
  1879
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1881
void ConstantPool::set_on_stack(const bool value) {
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
  1882
  if (value) {
29576
c223b0a9872e 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents: 29081
diff changeset
  1883
    // Only record if it's not already set.
c223b0a9872e 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents: 29081
diff changeset
  1884
    if (!on_stack()) {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1885
      assert(!is_shared(), "should always be set for shared constant pools");
29576
c223b0a9872e 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents: 29081
diff changeset
  1886
      _flags |= _on_stack;
c223b0a9872e 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
coleenp
parents: 29081
diff changeset
  1887
      MetadataOnStackMark::record(this);
27247
99db666dbe8e 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 25624
diff changeset
  1888
    }
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
  1889
  } else {
27247
99db666dbe8e 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
stefank
parents: 25624
diff changeset
  1890
    // Clearing is done single-threadedly.
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1891
    if (!is_shared()) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1892
      _flags &= ~_on_stack;
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1893
    }
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
  1894
  }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1895
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1896
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1897
// JSR 292 support for patching constant pool oops after the class is linked and
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1898
// the oop array for resolved references are created.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1899
// We can't do this during classfile parsing, which is how the other indexes are
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1900
// patched.  The other patches are applied early for some error checking
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1901
// so only defer the pseudo_strings.
24322
c2978d1578e3 8036956: remove EnableInvokeDynamic flag
anoll
parents: 23872
diff changeset
  1902
void ConstantPool::patch_resolved_references(GrowableArray<Handle>* cp_patches) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1903
  for (int index = 1; index < cp_patches->length(); index++) { // Index 0 is unused
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1904
    Handle patch = cp_patches->at(index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1905
    if (patch.not_null()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1906
      assert (tag_at(index).is_string(), "should only be string left");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1907
      // Patching a string means pre-resolving it.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1908
      // The spelling in the constant pool is ignored.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1909
      // The constant reference may be any object whatever.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1910
      // If it is not a real interned string, the constant is referred
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1911
      // to as a "pseudo-string", and must be presented to the CP
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1912
      // explicitly, because it may require scavenging.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1913
      int obj_index = cp_to_object_index(index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1914
      pseudo_string_at_put(index, obj_index, patch());
28741
1f10b1bd612d 8008678: JSR 292: constant pool reconstitution must support pseudo strings
sspitsyn
parents: 27680
diff changeset
  1915
     DEBUG_ONLY(cp_patches->at_put(index, Handle());)
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1916
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1917
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1918
#ifdef ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1919
  // Ensure that all the patches have been used.
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1920
  for (int index = 0; index < cp_patches->length(); index++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1921
    assert(cp_patches->at(index).is_null(),
33105
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 31592
diff changeset
  1922
           "Unused constant pool patch at %d in class file %s",
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 31592
diff changeset
  1923
           index,
294e48b4f704 8080775: Better argument formatting for assert() and friends
david
parents: 31592
diff changeset
  1924
           pool_holder()->external_name());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1925
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1926
#endif // ASSERT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1927
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1928
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1929
#ifndef PRODUCT
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1930
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1931
// CompileTheWorld support. Preload all classes loaded references in the passed in constantpool
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1932
void ConstantPool::preload_and_initialize_all_classes(ConstantPool* obj, TRAPS) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1933
  guarantee(obj->is_constantPool(), "object must be constant pool");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1934
  constantPoolHandle cp(THREAD, (ConstantPool*)obj);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1935
  guarantee(cp->pool_holder() != NULL, "must be fully loaded");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1936
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1937
  for (int i = 0; i< cp->length();  i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1938
    if (cp->tag_at(i).is_unresolved_klass()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1939
      // This will force loading of the class
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1940
      Klass* klass = cp->klass_at(i, CHECK);
33611
9abd65805e19 8139203: Consistent naming for klass type predicates
coleenp
parents: 33602
diff changeset
  1941
      if (klass->is_instance_klass()) {
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1942
        // Force initialization of class
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1943
        InstanceKlass::cast(klass)->initialize(CHECK);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1944
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1945
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1946
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1947
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1948
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1949
#endif
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1950
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1951
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1952
// Printing
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1953
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1954
void ConstantPool::print_on(outputStream* st) const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1955
  assert(is_constantPool(), "must be constantPool");
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 24337
diff changeset
  1956
  st->print_cr("%s", internal_name());
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1957
  if (flags() != 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1958
    st->print(" - flags: 0x%x", flags());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1959
    if (has_preresolution()) st->print(" has_preresolution");
15430
7c35f12cf1e5 8006040: NPG: on_stack processing wastes space in ConstantPool
coleenp
parents: 15229
diff changeset
  1960
    if (on_stack()) st->print(" on_stack");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1961
    st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1962
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1963
  if (pool_holder() != NULL) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  1964
    st->print_cr(" - holder: " INTPTR_FORMAT, p2i(pool_holder()));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1965
  }
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  1966
  st->print_cr(" - cache: " INTPTR_FORMAT, p2i(cache()));
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  1967
  st->print_cr(" - resolved_references: " INTPTR_FORMAT, p2i(resolved_references()));
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  1968
  st->print_cr(" - reference_map: " INTPTR_FORMAT, p2i(reference_map()));
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  1969
  st->print_cr(" - resolved_klasses: " INTPTR_FORMAT, p2i(resolved_klasses()));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1970
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1971
  for (int index = 1; index < length(); index++) {      // Index 0 is unused
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1972
    ((ConstantPool*)this)->print_entry_on(index, st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1973
    switch (tag_at(index).value()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1974
      case JVM_CONSTANT_Long :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1975
      case JVM_CONSTANT_Double :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1976
        index++;   // Skip entry following eigth-byte constant
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1977
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1978
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1979
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1980
  st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1981
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1982
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1983
// Print one constant pool entry
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1984
void ConstantPool::print_entry_on(const int index, outputStream* st) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1985
  EXCEPTION_MARK;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1986
  st->print(" - %3d : ", index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1987
  tag_at(index).print_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1988
  st->print(" : ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1989
  switch (tag_at(index).value()) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1990
    case JVM_CONSTANT_Class :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1991
      { Klass* k = klass_at(index, CATCH);
16383
57cb9d398a11 8009593: [parfait] Null pointer deference in hotspot/src/share/vm/oops/constantPool.cpp
morris
parents: 15799
diff changeset
  1992
        guarantee(k != NULL, "need klass");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1993
        k->print_value_on(st);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  1994
        st->print(" {" PTR_FORMAT "}", p2i(k));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1995
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1996
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1997
    case JVM_CONSTANT_Fieldref :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1998
    case JVM_CONSTANT_Methodref :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  1999
    case JVM_CONSTANT_InterfaceMethodref :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2000
      st->print("klass_index=%d", uncached_klass_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2001
      st->print(" name_and_type_index=%d", uncached_name_and_type_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2002
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2003
    case JVM_CONSTANT_String :
15799
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2004
      if (is_pseudo_string_at(index)) {
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2005
        oop anObj = pseudo_string_at(index);
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2006
        anObj->print_value_on(st);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  2007
        st->print(" {" PTR_FORMAT "}", p2i(anObj));
15799
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2008
      } else {
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2009
        unresolved_string_at(index)->print_value_on(st);
6aa92f9debd2 8000797: NPG: is_pseudo_string_at() doesn't work
coleenp
parents: 15445
diff changeset
  2010
      }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2011
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2012
    case JVM_CONSTANT_Integer :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2013
      st->print("%d", int_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2014
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2015
    case JVM_CONSTANT_Float :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2016
      st->print("%f", float_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2017
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2018
    case JVM_CONSTANT_Long :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2019
      st->print_jlong(long_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2020
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2021
    case JVM_CONSTANT_Double :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2022
      st->print("%lf", double_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2023
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2024
    case JVM_CONSTANT_NameAndType :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2025
      st->print("name_index=%d", name_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2026
      st->print(" signature_index=%d", signature_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2027
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2028
    case JVM_CONSTANT_Utf8 :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2029
      symbol_at(index)->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2030
      break;
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2031
    case JVM_CONSTANT_ClassIndex: {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2032
        int name_index = *int_at_addr(index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2033
        st->print("klass_index=%d ", name_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2034
        symbol_at(name_index)->print_value_on(st);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2035
      }
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2036
      break;
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2037
    case JVM_CONSTANT_UnresolvedClass :               // fall-through
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2038
    case JVM_CONSTANT_UnresolvedClassInError: {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2039
        CPKlassSlot kslot = klass_slot_at(index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2040
        int resolved_klass_index = kslot.resolved_klass_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2041
        int name_index = kslot.name_index();
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2042
        assert(tag_at(name_index).is_symbol(), "sanity");
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2043
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2044
        Klass* klass = resolved_klasses()->at(resolved_klass_index);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2045
        if (klass != NULL) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2046
          klass->print_value_on(st);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2047
        } else {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2048
          symbol_at(name_index)->print_value_on(st);
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2049
        }
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2050
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2051
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2052
    case JVM_CONSTANT_MethodHandle :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2053
    case JVM_CONSTANT_MethodHandleInError :
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  2054
      st->print("ref_kind=%d", method_handle_ref_kind_at(index));
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  2055
      st->print(" ref_index=%d", method_handle_index_at(index));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2056
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2057
    case JVM_CONSTANT_MethodType :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2058
    case JVM_CONSTANT_MethodTypeInError :
37475
0da78fa10d78 8148772: VM crash in nsk/jvmti/RedefineClasses/StressRedefine: assert failed: Corrupted constant pool
coleenp
parents: 37451
diff changeset
  2059
      st->print("signature_index=%d", method_type_index_at(index));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2060
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2061
    case JVM_CONSTANT_InvokeDynamic :
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2062
      {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2063
        st->print("bootstrap_method_index=%d", invoke_dynamic_bootstrap_method_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2064
        st->print(" name_and_type_index=%d", invoke_dynamic_name_and_type_ref_index_at(index));
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2065
        int argc = invoke_dynamic_argument_count_at(index);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2066
        if (argc > 0) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2067
          for (int arg_i = 0; arg_i < argc; arg_i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2068
            int arg = invoke_dynamic_argument_index_at(index, arg_i);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2069
            st->print((arg_i == 0 ? " arguments={%d" : ", %d"), arg);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2070
          }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2071
          st->print("}");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2072
        }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2073
      }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2074
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2075
    default:
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2076
      ShouldNotReachHere();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2077
      break;
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2078
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2079
  st->cr();
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2080
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2081
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2082
void ConstantPool::print_value_on(outputStream* st) const {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2083
  assert(is_constantPool(), "must be constantPool");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2084
  st->print("constant pool [%d]", length());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2085
  if (has_preresolution()) st->print("/preresolution");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2086
  if (operands() != NULL)  st->print("/operands[%d]", operands()->length());
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2087
  print_address_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2088
  st->print(" for ");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2089
  pool_holder()->print_value_on(st);
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2090
  if (pool_holder() != NULL) {
14391
df0a1573d5bd 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 14385
diff changeset
  2091
    bool extra = (pool_holder()->constants() != this);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2092
    if (extra)  st->print(" (extra)");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2093
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2094
  if (cache() != NULL) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 33105
diff changeset
  2095
    st->print(" cache=" PTR_FORMAT, p2i(cache()));
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2096
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2097
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2098
15437
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2099
#if INCLUDE_SERVICES
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2100
// Size Statistics
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2101
void ConstantPool::collect_statistics(KlassSizeStats *sz) const {
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2102
  sz->_cp_all_bytes += (sz->_cp_bytes          = sz->count(this));
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2103
  sz->_cp_all_bytes += (sz->_cp_tags_bytes     = sz->count_array(tags()));
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2104
  sz->_cp_all_bytes += (sz->_cp_cache_bytes    = sz->count(cache()));
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2105
  sz->_cp_all_bytes += (sz->_cp_operands_bytes = sz->count_array(operands()));
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2106
  sz->_cp_all_bytes += (sz->_cp_refmap_bytes   = sz->count_array(reference_map()));
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2107
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2108
  sz->_ro_bytes += sz->_cp_operands_bytes + sz->_cp_tags_bytes +
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2109
                   sz->_cp_refmap_bytes;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2110
  sz->_rw_bytes += sz->_cp_bytes + sz->_cp_cache_bytes;
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2111
}
eabd4555d072 6479360: PrintClassHistogram improvements
acorn
parents: 15430
diff changeset
  2112
#endif // INCLUDE_SERVICES
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2113
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2114
// Verification
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2115
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2116
void ConstantPool::verify_on(outputStream* st) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2117
  guarantee(is_constantPool(), "object must be constant pool");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2118
  for (int i = 0; i< length();  i++) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2119
    constantTag tag = tag_at(i);
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2120
    if (tag.is_klass() || tag.is_unresolved_klass()) {
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2121
      guarantee(klass_name_at(i)->refcount() != 0, "should have nonzero reference count");
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2122
    } else if (tag.is_symbol()) {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2123
      CPSlot entry = slot_at(i);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2124
      guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2125
    } else if (tag.is_string()) {
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46329
diff changeset
  2126
      CPSlot entry = slot_at(i);
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2127
      guarantee(entry.get_symbol()->refcount() != 0, "should have nonzero reference count");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2128
    }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2129
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2130
  if (cache() != NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2131
    // Note: cache() can be NULL before a class is completely setup or
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2132
    // in temporary constant pools used during constant pool merging
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2133
    guarantee(cache()->is_constantPoolCache(), "should be constant pool cache");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2134
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2135
  if (pool_holder() != NULL) {
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2136
    // Note: pool_holder() can be NULL in temporary constant pools
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2137
    // used during constant pool merging
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2138
    guarantee(pool_holder()->is_klass(),    "should be klass");
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2139
  }
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2140
}
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2141
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
  2142
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  2143
void SymbolHashMap::add_entry(Symbol* sym, u2 value) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
  char *str = sym->as_utf8();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2145
  unsigned int hash = compute_hash(str, sym->utf8_length());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2146
  unsigned int index = hash % table_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
  // check if already in map
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
  // we prefer the first entry since it is more likely to be what was used in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2150
  // the class file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
  for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
    assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2153
    if (en->hash() == hash && en->symbol() == sym) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
        return;  // already there
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2157
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2158
  SymbolHashMapEntry* entry = new SymbolHashMapEntry(hash, sym, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
  entry->set_next(bucket(index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2160
  _buckets[index].set_entry(entry);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2161
  assert(entry->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2162
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2163
8076
96d498ec7ae1 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 7436
diff changeset
  2164
SymbolHashMapEntry* SymbolHashMap::find_entry(Symbol* sym) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2165
  assert(sym != NULL, "SymbolHashMap::find_entry - symbol is NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2166
  char *str = sym->as_utf8();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2167
  int   len = sym->utf8_length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2168
  unsigned int hash = SymbolHashMap::compute_hash(str, len);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2169
  unsigned int index = hash % table_size();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2170
  for (SymbolHashMapEntry *en = bucket(index); en != NULL; en = en->next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2171
    assert(en->symbol() != NULL, "SymbolHashMapEntry symbol is NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2172
    if (en->hash() == hash && en->symbol() == sym) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2173
      return en;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2174
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2175
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2176
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2177
}