hotspot/src/share/vm/classfile/javaClasses.cpp
author stefank
Tue, 23 Nov 2010 13:22:55 -0800
changeset 7397 5b173b4ca846
parent 6463 f4362c8da849
child 7405 e6fc8d3926f8
permissions -rw-r--r--
6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
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/*
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 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/javaClasses.hpp"
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#include "classfile/symbolTable.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "code/debugInfo.hpp"
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#include "code/pcDesc.hpp"
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#include "interpreter/interpreter.hpp"
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#include "memory/oopFactory.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.inline.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/klass.hpp"
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#include "oops/klassOop.hpp"
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#include "oops/methodOop.hpp"
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#include "oops/symbolOop.hpp"
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#include "oops/typeArrayOop.hpp"
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#include "runtime/fieldDescriptor.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/interfaceSupport.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/vframe.hpp"
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#include "utilities/preserveException.hpp"
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#ifdef TARGET_OS_FAMILY_linux
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# include "thread_linux.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "thread_solaris.inline.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "thread_windows.inline.hpp"
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#endif
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static bool find_field(instanceKlass* ik,
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                       symbolOop name_symbol, symbolOop signature_symbol,
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                       fieldDescriptor* fd,
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                       bool allow_super = false) {
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  if (allow_super)
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    return ik->find_field(name_symbol, signature_symbol, fd) != NULL;
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  else
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    return ik->find_local_field(name_symbol, signature_symbol, fd);
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}
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// Helpful routine for computing field offsets at run time rather than hardcoding them
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static void
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compute_offset(int &dest_offset,
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               klassOop klass_oop, symbolOop name_symbol, symbolOop signature_symbol,
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               bool allow_super = false) {
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  fieldDescriptor fd;
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  instanceKlass* ik = instanceKlass::cast(klass_oop);
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  if (!find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) {
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    ResourceMark rm;
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    tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string());
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    fatal("Invalid layout of preloaded class");
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  }
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  dest_offset = fd.offset();
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}
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// Same as above but for "optional" offsets that might not be present in certain JDK versions
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static void
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compute_optional_offset(int& dest_offset,
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                        klassOop klass_oop, symbolOop name_symbol, symbolOop signature_symbol,
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                        bool allow_super = false) {
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  fieldDescriptor fd;
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  instanceKlass* ik = instanceKlass::cast(klass_oop);
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  if (find_field(ik, name_symbol, signature_symbol, &fd, allow_super)) {
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    dest_offset = fd.offset();
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  }
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}
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Handle java_lang_String::basic_create(int length, bool tenured, TRAPS) {
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  // Create the String object first, so there's a chance that the String
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  // and the char array it points to end up in the same cache line.
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  oop obj;
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  if (tenured) {
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    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_permanent_instance(CHECK_NH);
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  } else {
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    obj = instanceKlass::cast(SystemDictionary::String_klass())->allocate_instance(CHECK_NH);
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  }
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  // Create the char array.  The String object must be handlized here
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  // because GC can happen as a result of the allocation attempt.
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  Handle h_obj(THREAD, obj);
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  typeArrayOop buffer;
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  if (tenured) {
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    buffer = oopFactory::new_permanent_charArray(length, CHECK_NH);
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  } else {
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    buffer = oopFactory::new_charArray(length, CHECK_NH);
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  }
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  // Point the String at the char array
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  obj = h_obj();
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  set_value(obj, buffer);
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  // No need to zero the offset, allocation zero'ed the entire String object
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  assert(offset(obj) == 0, "initial String offset should be zero");
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//set_offset(obj, 0);
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  set_count(obj, length);
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  return h_obj;
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}
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Handle java_lang_String::basic_create_from_unicode(jchar* unicode, int length, bool tenured, TRAPS) {
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  Handle h_obj = basic_create(length, tenured, CHECK_NH);
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  typeArrayOop buffer = value(h_obj());
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  for (int index = 0; index < length; index++) {
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    buffer->char_at_put(index, unicode[index]);
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  }
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  return h_obj;
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}
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Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) {
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  return basic_create_from_unicode(unicode, length, false, CHECK_NH);
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}
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Handle java_lang_String::create_tenured_from_unicode(jchar* unicode, int length, TRAPS) {
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  return basic_create_from_unicode(unicode, length, true, CHECK_NH);
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}
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oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) {
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  Handle h_obj = basic_create_from_unicode(unicode, length, false, CHECK_0);
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  return h_obj();
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}
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Handle java_lang_String::create_from_str(const char* utf8_str, TRAPS) {
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  if (utf8_str == NULL) {
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    return Handle();
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  }
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  int length = UTF8::unicode_length(utf8_str);
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  Handle h_obj = basic_create(length, false, CHECK_NH);
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  if (length > 0) {
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    UTF8::convert_to_unicode(utf8_str, value(h_obj())->char_at_addr(0), length);
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  }
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  return h_obj;
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}
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oop java_lang_String::create_oop_from_str(const char* utf8_str, TRAPS) {
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  Handle h_obj = create_from_str(utf8_str, CHECK_0);
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  return h_obj();
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}
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Handle java_lang_String::create_from_symbol(symbolHandle symbol, TRAPS) {
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  int length = UTF8::unicode_length((char*)symbol->bytes(), symbol->utf8_length());
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  Handle h_obj = basic_create(length, false, CHECK_NH);
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  if (length > 0) {
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    UTF8::convert_to_unicode((char*)symbol->bytes(), value(h_obj())->char_at_addr(0), length);
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  }
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  return h_obj;
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}
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// Converts a C string to a Java String based on current encoding
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Handle java_lang_String::create_from_platform_dependent_str(const char* str, TRAPS) {
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  assert(str != NULL, "bad arguments");
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  typedef jstring (*to_java_string_fn_t)(JNIEnv*, const char *);
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  static to_java_string_fn_t _to_java_string_fn = NULL;
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  if (_to_java_string_fn == NULL) {
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    void *lib_handle = os::native_java_library();
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    _to_java_string_fn = CAST_TO_FN_PTR(to_java_string_fn_t, hpi::dll_lookup(lib_handle, "NewStringPlatform"));
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    if (_to_java_string_fn == NULL) {
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      fatal("NewStringPlatform missing");
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    }
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  }
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  jstring js = NULL;
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  { JavaThread* thread = (JavaThread*)THREAD;
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    assert(thread->is_Java_thread(), "must be java thread");
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    HandleMark hm(thread);
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    ThreadToNativeFromVM ttn(thread);
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    js = (_to_java_string_fn)(thread->jni_environment(), str);
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  }
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  return Handle(THREAD, JNIHandles::resolve(js));
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}
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// Converts a Java String to a native C string that can be used for
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// native OS calls.
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char* java_lang_String::as_platform_dependent_str(Handle java_string, TRAPS) {
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  typedef char* (*to_platform_string_fn_t)(JNIEnv*, jstring, bool*);
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  static to_platform_string_fn_t _to_platform_string_fn = NULL;
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  if (_to_platform_string_fn == NULL) {
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    void *lib_handle = os::native_java_library();
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    _to_platform_string_fn = CAST_TO_FN_PTR(to_platform_string_fn_t, hpi::dll_lookup(lib_handle, "GetStringPlatformChars"));
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    if (_to_platform_string_fn == NULL) {
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      fatal("GetStringPlatformChars missing");
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    }
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  }
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  char *native_platform_string;
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  { JavaThread* thread = (JavaThread*)THREAD;
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    assert(thread->is_Java_thread(), "must be java thread");
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    JNIEnv *env = thread->jni_environment();
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    jstring js = (jstring) JNIHandles::make_local(env, java_string());
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    bool is_copy;
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    HandleMark hm(thread);
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    ThreadToNativeFromVM ttn(thread);
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    native_platform_string = (_to_platform_string_fn)(env, js, &is_copy);
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    assert(is_copy == JNI_TRUE, "is_copy value changed");
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    JNIHandles::destroy_local(js);
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  }
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  return native_platform_string;
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}
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1
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Handle java_lang_String::char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS) {
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  oop          obj    = java_string();
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  // Typical usage is to convert all '/' to '.' in string.
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  typeArrayOop value  = java_lang_String::value(obj);
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  int          offset = java_lang_String::offset(obj);
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  int          length = java_lang_String::length(obj);
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  // First check if any from_char exist
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  int index; // Declared outside, used later
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  for (index = 0; index < length; index++) {
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    if (value->char_at(index + offset) == from_char) {
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      break;
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    }
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  }
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  if (index == length) {
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    // No from_char, so do not copy.
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    return java_string;
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  }
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  // Create new UNICODE buffer. Must handlize value because GC
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  // may happen during String and char array creation.
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  typeArrayHandle h_value(THREAD, value);
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  Handle string = basic_create(length, false, CHECK_NH);
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  typeArrayOop from_buffer = h_value();
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  typeArrayOop to_buffer   = java_lang_String::value(string());
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  // Copy contents
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  for (index = 0; index < length; index++) {
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    jchar c = from_buffer->char_at(index + offset);
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    if (c == from_char) {
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      c = to_char;
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    }
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    to_buffer->char_at_put(index, c);
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  }
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  return string;
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}
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jchar* java_lang_String::as_unicode_string(oop java_string, int& length) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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               length = java_lang_String::length(java_string);
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  jchar* result = NEW_RESOURCE_ARRAY(jchar, length);
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  for (int index = 0; index < length; index++) {
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    result[index] = value->char_at(index + offset);
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  }
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  return result;
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}
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symbolHandle java_lang_String::as_symbol(Handle java_string, TRAPS) {
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  oop          obj    = java_string();
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  typeArrayOop value  = java_lang_String::value(obj);
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  int          offset = java_lang_String::offset(obj);
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  int          length = java_lang_String::length(obj);
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  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
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  symbolOop sym = SymbolTable::lookup_unicode(base, length, THREAD);
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  return symbolHandle(THREAD, sym);
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}
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symbolOop java_lang_String::as_symbol_or_null(oop java_string) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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  int          length = java_lang_String::length(java_string);
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  jchar* base = (length == 0) ? NULL : value->char_at_addr(offset);
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  return SymbolTable::probe_unicode(base, length);
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}
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1
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int java_lang_String::utf8_length(oop java_string) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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  int          length = java_lang_String::length(java_string);
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  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
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  return UNICODE::utf8_length(position, length);
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}
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char* java_lang_String::as_utf8_string(oop java_string) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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  int          length = java_lang_String::length(java_string);
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  jchar* position = (length == 0) ? NULL : value->char_at_addr(offset);
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  return UNICODE::as_utf8(position, length);
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}
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char* java_lang_String::as_utf8_string(oop java_string, int start, int len) {
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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  int          length = java_lang_String::length(java_string);
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  assert(start + len <= length, "just checking");
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  jchar* position = value->char_at_addr(offset + start);
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  return UNICODE::as_utf8(position, len);
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}
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bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
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  assert(SharedSkipVerify ||
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         java_string->klass() == SystemDictionary::String_klass(),
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         "must be java_string");
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  typeArrayOop value  = java_lang_String::value(java_string);
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  int          offset = java_lang_String::offset(java_string);
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  int          length = java_lang_String::length(java_string);
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  if (length != len) {
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    return false;
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  }
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  for (int i = 0; i < len; i++) {
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    if (value->char_at(i + offset) != chars[i]) {
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      return false;
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    }
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  }
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  return true;
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}
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void java_lang_String::print(Handle java_string, outputStream* st) {
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   344
  oop          obj    = java_string();
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80b553bddc26 6914300: ciEnv should export all well known classes
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parents: 4562
diff changeset
   345
  assert(obj->klass() == SystemDictionary::String_klass(), "must be java_string");
1
489c9b5090e2 Initial load
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parents:
diff changeset
   346
  typeArrayOop value  = java_lang_String::value(obj);
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parents:
diff changeset
   347
  int          offset = java_lang_String::offset(obj);
489c9b5090e2 Initial load
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parents:
diff changeset
   348
  int          length = java_lang_String::length(obj);
489c9b5090e2 Initial load
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parents:
diff changeset
   349
489c9b5090e2 Initial load
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parents:
diff changeset
   350
  int end = MIN2(length, 100);
489c9b5090e2 Initial load
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parents:
diff changeset
   351
  if (value == NULL) {
489c9b5090e2 Initial load
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parents:
diff changeset
   352
    // This can happen if, e.g., printing a String
489c9b5090e2 Initial load
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parents:
diff changeset
   353
    // object before its initializer has been called
489c9b5090e2 Initial load
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parents:
diff changeset
   354
    st->print_cr("NULL");
489c9b5090e2 Initial load
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parents:
diff changeset
   355
  } else {
489c9b5090e2 Initial load
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parents:
diff changeset
   356
    st->print("\"");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
    for (int index = 0; index < length; index++) {
489c9b5090e2 Initial load
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parents:
diff changeset
   358
      st->print("%c", value->char_at(index + offset));
489c9b5090e2 Initial load
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parents:
diff changeset
   359
    }
489c9b5090e2 Initial load
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parents:
diff changeset
   360
    st->print("\"");
489c9b5090e2 Initial load
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parents:
diff changeset
   361
  }
489c9b5090e2 Initial load
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parents:
diff changeset
   362
}
489c9b5090e2 Initial load
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parents:
diff changeset
   363
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
oop java_lang_Class::create_mirror(KlassHandle k, TRAPS) {
489c9b5090e2 Initial load
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parents:
diff changeset
   366
  assert(k->java_mirror() == NULL, "should only assign mirror once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   367
  // Use this moment of initialization to cache modifier_flags also,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
  // to support Class.getModifiers().  Instance classes recalculate
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
  // the cached flags after the class file is parsed, but before the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
  // class is put into the system dictionary.
489c9b5090e2 Initial load
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parents:
diff changeset
   371
  int computed_modifiers = k->compute_modifier_flags(CHECK_0);
489c9b5090e2 Initial load
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parents:
diff changeset
   372
  k->set_modifier_flags(computed_modifiers);
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80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   373
  if (SystemDictionary::Class_klass_loaded()) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
    // Allocate mirror (java.lang.Class instance)
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   375
    Handle mirror = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
    // Setup indirections
489c9b5090e2 Initial load
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parents:
diff changeset
   377
    mirror->obj_field_put(klass_offset,  k());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
    k->set_java_mirror(mirror());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
    // It might also have a component mirror.  This mirror must already exist.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
    if (k->oop_is_javaArray()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
      Handle comp_mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
      if (k->oop_is_typeArray()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
        BasicType type = typeArrayKlass::cast(k->as_klassOop())->element_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
        comp_mirror = Universe::java_mirror(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
        assert(comp_mirror.not_null(), "must have primitive mirror");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
      } else if (k->oop_is_objArray()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
        klassOop element_klass = objArrayKlass::cast(k->as_klassOop())->element_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
        if (element_klass != NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
            && (Klass::cast(element_klass)->oop_is_instance() ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
                Klass::cast(element_klass)->oop_is_javaArray())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
          comp_mirror = Klass::cast(element_klass)->java_mirror();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
          assert(comp_mirror.not_null(), "must have element mirror");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
        // else some object array internal to the VM, like systemObjArrayKlassObj
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
      if (comp_mirror.not_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
        // Two-way link between the array klass and its component mirror:
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
        arrayKlass::cast(k->as_klassOop())->set_component_mirror(comp_mirror());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
        set_array_klass(comp_mirror(), k->as_klassOop());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
    return mirror();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
    return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
489c9b5090e2 Initial load
duke
parents:
diff changeset
   409
oop java_lang_Class::create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
  // This should be improved by adding a field at the Java level or by
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
  // introducing a new VM klass (see comment in ClassFileParser)
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   412
  oop java_class = instanceKlass::cast(SystemDictionary::Class_klass())->allocate_permanent_instance(CHECK_0);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
  if (type != T_VOID) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
    klassOop aklass = Universe::typeArrayKlassObj(type);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
    assert(aklass != NULL, "correct bootstrap");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
    set_array_klass(java_class, aklass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
  return java_class;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
klassOop java_lang_Class::as_klassOop(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
  //%note memory_2
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  klassOop k = klassOop(java_class->obj_field(klass_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
  assert(k == NULL || k->is_klass(), "type check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   430
void java_lang_Class::print_signature(oop java_class, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   431
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   432
  symbolOop name = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   433
  bool is_instance = false;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   434
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   435
    name = vmSymbols::type_signature(primitive_type(java_class));
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   436
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   437
    klassOop k = as_klassOop(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   438
    is_instance = Klass::cast(k)->oop_is_instance();
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   439
    name = Klass::cast(k)->name();
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   440
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   441
  if (name == NULL) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   442
    st->print("<null>");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   443
    return;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   444
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   445
  if (is_instance)  st->print("L");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   446
  st->write((char*) name->base(), (int) name->utf8_length());
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   447
  if (is_instance)  st->print(";");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   448
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   449
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   450
symbolOop java_lang_Class::as_signature(oop java_class, bool intern_if_not_found, TRAPS) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   451
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   452
  symbolOop name = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   453
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   454
    return vmSymbols::type_signature(primitive_type(java_class));
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   455
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   456
    klassOop k = as_klassOop(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   457
    if (!Klass::cast(k)->oop_is_instance()) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   458
      return Klass::cast(k)->name();
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   459
    } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   460
      ResourceMark rm;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   461
      const char* sigstr = Klass::cast(k)->signature_name();
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   462
      int         siglen = (int) strlen(sigstr);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   463
      if (!intern_if_not_found)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   464
        return SymbolTable::probe(sigstr, siglen);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   465
      else
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   466
        return oopFactory::new_symbol(sigstr, siglen, THREAD);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   467
    }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   468
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   469
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   470
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   471
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   472
klassOop java_lang_Class::array_klass(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   473
  klassOop k = klassOop(java_class->obj_field(array_klass_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   474
  assert(k == NULL || k->is_klass() && Klass::cast(k)->oop_is_javaArray(), "should be array klass");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   475
  return k;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   476
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   477
489c9b5090e2 Initial load
duke
parents:
diff changeset
   478
489c9b5090e2 Initial load
duke
parents:
diff changeset
   479
void java_lang_Class::set_array_klass(oop java_class, klassOop klass) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   480
  assert(klass->is_klass() && Klass::cast(klass)->oop_is_javaArray(), "should be array klass");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   481
  java_class->obj_field_put(array_klass_offset, klass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   482
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   483
489c9b5090e2 Initial load
duke
parents:
diff changeset
   484
489c9b5090e2 Initial load
duke
parents:
diff changeset
   485
methodOop java_lang_Class::resolved_constructor(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   486
  oop constructor = java_class->obj_field(resolved_constructor_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   487
  assert(constructor == NULL || constructor->is_method(), "should be method");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   488
  return methodOop(constructor);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   489
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   490
489c9b5090e2 Initial load
duke
parents:
diff changeset
   491
489c9b5090e2 Initial load
duke
parents:
diff changeset
   492
void java_lang_Class::set_resolved_constructor(oop java_class, methodOop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
  assert(constructor->is_method(), "should be method");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
  java_class->obj_field_put(resolved_constructor_offset, constructor);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   495
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   496
489c9b5090e2 Initial load
duke
parents:
diff changeset
   497
489c9b5090e2 Initial load
duke
parents:
diff changeset
   498
bool java_lang_Class::is_primitive(oop java_class) {
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   499
  // should assert:
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   500
  //assert(java_lang_Class::is_instance(java_class), "must be a Class object");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   501
  klassOop k = klassOop(java_class->obj_field(klass_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   502
  return k == NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   503
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
489c9b5090e2 Initial load
duke
parents:
diff changeset
   505
489c9b5090e2 Initial load
duke
parents:
diff changeset
   506
BasicType java_lang_Class::primitive_type(oop java_class) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   507
  assert(java_lang_Class::is_primitive(java_class), "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   508
  klassOop ak = klassOop(java_class->obj_field(array_klass_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   509
  BasicType type = T_VOID;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   510
  if (ak != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   511
    // Note: create_basic_type_mirror above initializes ak to a non-null value.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   512
    type = arrayKlass::cast(ak)->element_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   513
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   514
    assert(java_class == Universe::void_mirror(), "only valid non-array primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   515
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   516
  assert(Universe::java_mirror(type) == java_class, "must be consistent");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
  return type;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   518
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   519
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   520
BasicType java_lang_Class::as_BasicType(oop java_class, klassOop* reference_klass) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   521
  assert(java_lang_Class::is_instance(java_class), "must be a Class object");
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   522
  if (is_primitive(java_class)) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   523
    if (reference_klass != NULL)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   524
      (*reference_klass) = NULL;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   525
    return primitive_type(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   526
  } else {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   527
    if (reference_klass != NULL)
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   528
      (*reference_klass) = as_klassOop(java_class);
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   529
    return T_OBJECT;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   530
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   531
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
   532
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   533
489c9b5090e2 Initial load
duke
parents:
diff changeset
   534
oop java_lang_Class::primitive_mirror(BasicType t) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   535
  oop mirror = Universe::java_mirror(t);
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   536
  assert(mirror != NULL && mirror->is_a(SystemDictionary::Class_klass()), "must be a Class");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   537
  assert(java_lang_Class::is_primitive(mirror), "must be primitive");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   538
  return mirror;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   539
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   540
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
bool java_lang_Class::offsets_computed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   542
int  java_lang_Class::classRedefinedCount_offset = -1;
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   543
int  java_lang_Class::parallelCapable_offset = -1;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   544
489c9b5090e2 Initial load
duke
parents:
diff changeset
   545
void java_lang_Class::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   546
  assert(!offsets_computed, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   547
  offsets_computed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   548
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   549
  klassOop k = SystemDictionary::Class_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   550
  // The classRedefinedCount field is only present starting in 1.5,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   551
  // so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   552
  compute_optional_offset(classRedefinedCount_offset,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   553
    k, vmSymbols::classRedefinedCount_name(), vmSymbols::int_signature());
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   554
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   555
  // The field indicating parallelCapable (parallelLockMap) is only present starting in 7,
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   556
  klassOop k1 = SystemDictionary::ClassLoader_klass();
1890
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   557
  compute_optional_offset(parallelCapable_offset,
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   558
    k1, vmSymbols::parallelCapable_name(), vmSymbols::concurrenthashmap_signature());
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   559
}
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   560
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   561
// For class loader classes, parallelCapable defined
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   562
// based on non-null field
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   563
// Written to by java.lang.ClassLoader, vm only reads this field, doesn't set it
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   564
bool java_lang_Class::parallelCapable(oop class_loader) {
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   565
  if (!JDK_Version::is_gte_jdk17x_version()
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   566
     || parallelCapable_offset == -1) {
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   567
     // Default for backward compatibility is false
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   568
     return false;
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   569
  }
9ce941df84eb 4670071: loadClassInternal is too restrictive.
acorn
parents: 1889
diff changeset
   570
  return (class_loader->obj_field(parallelCapable_offset) != NULL);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   571
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   572
489c9b5090e2 Initial load
duke
parents:
diff changeset
   573
int java_lang_Class::classRedefinedCount(oop the_class_mirror) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   574
  if (!JDK_Version::is_gte_jdk15x_version()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   575
      || classRedefinedCount_offset == -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   576
    // The classRedefinedCount field is only present starting in 1.5.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   577
    // If we don't have an offset for it then just return -1 as a marker.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   578
    return -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   579
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   580
489c9b5090e2 Initial load
duke
parents:
diff changeset
   581
  return the_class_mirror->int_field(classRedefinedCount_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   582
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   583
489c9b5090e2 Initial load
duke
parents:
diff changeset
   584
void java_lang_Class::set_classRedefinedCount(oop the_class_mirror, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   585
  if (!JDK_Version::is_gte_jdk15x_version()
489c9b5090e2 Initial load
duke
parents:
diff changeset
   586
      || classRedefinedCount_offset == -1) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   587
    // The classRedefinedCount field is only present starting in 1.5.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   588
    // If we don't have an offset for it then nothing to set.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   589
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   590
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   591
489c9b5090e2 Initial load
duke
parents:
diff changeset
   592
  the_class_mirror->int_field_put(classRedefinedCount_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   593
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   594
489c9b5090e2 Initial load
duke
parents:
diff changeset
   595
489c9b5090e2 Initial load
duke
parents:
diff changeset
   596
// Note: JDK1.1 and before had a privateInfo_offset field which was used for the
489c9b5090e2 Initial load
duke
parents:
diff changeset
   597
//       platform thread structure, and a eetop offset which was used for thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   598
//       local storage (and unused by the HotSpot VM). In JDK1.2 the two structures
489c9b5090e2 Initial load
duke
parents:
diff changeset
   599
//       merged, so in the HotSpot VM we just use the eetop field for the thread
489c9b5090e2 Initial load
duke
parents:
diff changeset
   600
//       instead of the privateInfo_offset.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   601
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
   602
// Note: The stackSize field is only present starting in 1.4.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   603
489c9b5090e2 Initial load
duke
parents:
diff changeset
   604
int java_lang_Thread::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   605
int java_lang_Thread::_group_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   606
int java_lang_Thread::_contextClassLoader_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   607
int java_lang_Thread::_inheritedAccessControlContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   608
int java_lang_Thread::_priority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   609
int java_lang_Thread::_eetop_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   610
int java_lang_Thread::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   611
int java_lang_Thread::_stillborn_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   612
int java_lang_Thread::_stackSize_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   613
int java_lang_Thread::_tid_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   614
int java_lang_Thread::_thread_status_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   615
int java_lang_Thread::_park_blocker_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   616
int java_lang_Thread::_park_event_offset = 0 ;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   617
489c9b5090e2 Initial load
duke
parents:
diff changeset
   618
489c9b5090e2 Initial load
duke
parents:
diff changeset
   619
void java_lang_Thread::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   620
  assert(_group_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   621
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   622
  klassOop k = SystemDictionary::Thread_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   623
  compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::char_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   624
  compute_offset(_group_offset,     k, vmSymbols::group_name(),     vmSymbols::threadgroup_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   625
  compute_offset(_contextClassLoader_offset, k, vmSymbols::contextClassLoader_name(), vmSymbols::classloader_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   626
  compute_offset(_inheritedAccessControlContext_offset, k, vmSymbols::inheritedAccessControlContext_name(), vmSymbols::accesscontrolcontext_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   627
  compute_offset(_priority_offset,  k, vmSymbols::priority_name(),  vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   628
  compute_offset(_daemon_offset,    k, vmSymbols::daemon_name(),    vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   629
  compute_offset(_eetop_offset,     k, vmSymbols::eetop_name(),     vmSymbols::long_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   630
  compute_offset(_stillborn_offset, k, vmSymbols::stillborn_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   631
  // The stackSize field is only present starting in 1.4, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   632
  compute_optional_offset(_stackSize_offset, k, vmSymbols::stackSize_name(), vmSymbols::long_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   633
  // The tid and thread_status fields are only present starting in 1.5, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   634
  compute_optional_offset(_tid_offset, k, vmSymbols::thread_id_name(), vmSymbols::long_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   635
  compute_optional_offset(_thread_status_offset, k, vmSymbols::thread_status_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   636
  // The parkBlocker field is only present starting in 1.6, so don't go fatal.
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   637
  compute_optional_offset(_park_blocker_offset, k, vmSymbols::park_blocker_name(), vmSymbols::object_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   638
  compute_optional_offset(_park_event_offset, k, vmSymbols::park_event_name(),
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   639
 vmSymbols::long_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   640
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   641
489c9b5090e2 Initial load
duke
parents:
diff changeset
   642
489c9b5090e2 Initial load
duke
parents:
diff changeset
   643
JavaThread* java_lang_Thread::thread(oop java_thread) {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
   644
  return (JavaThread*)java_thread->address_field(_eetop_offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   645
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   646
489c9b5090e2 Initial load
duke
parents:
diff changeset
   647
489c9b5090e2 Initial load
duke
parents:
diff changeset
   648
void java_lang_Thread::set_thread(oop java_thread, JavaThread* thread) {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
   649
  java_thread->address_field_put(_eetop_offset, (address)thread);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   650
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   651
489c9b5090e2 Initial load
duke
parents:
diff changeset
   652
489c9b5090e2 Initial load
duke
parents:
diff changeset
   653
typeArrayOop java_lang_Thread::name(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   654
  oop name = java_thread->obj_field(_name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   655
  assert(name == NULL || (name->is_typeArray() && typeArrayKlass::cast(name->klass())->element_type() == T_CHAR), "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   656
  return typeArrayOop(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   657
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   658
489c9b5090e2 Initial load
duke
parents:
diff changeset
   659
489c9b5090e2 Initial load
duke
parents:
diff changeset
   660
void java_lang_Thread::set_name(oop java_thread, typeArrayOop name) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   661
  assert(java_thread->obj_field(_name_offset) == NULL, "name should be NULL");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   662
  java_thread->obj_field_put(_name_offset, name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   663
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   664
489c9b5090e2 Initial load
duke
parents:
diff changeset
   665
489c9b5090e2 Initial load
duke
parents:
diff changeset
   666
ThreadPriority java_lang_Thread::priority(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   667
  return (ThreadPriority)java_thread->int_field(_priority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   668
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   669
489c9b5090e2 Initial load
duke
parents:
diff changeset
   670
489c9b5090e2 Initial load
duke
parents:
diff changeset
   671
void java_lang_Thread::set_priority(oop java_thread, ThreadPriority priority) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   672
  java_thread->int_field_put(_priority_offset, priority);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   673
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   674
489c9b5090e2 Initial load
duke
parents:
diff changeset
   675
489c9b5090e2 Initial load
duke
parents:
diff changeset
   676
oop java_lang_Thread::threadGroup(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   677
  return java_thread->obj_field(_group_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   678
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   679
489c9b5090e2 Initial load
duke
parents:
diff changeset
   680
489c9b5090e2 Initial load
duke
parents:
diff changeset
   681
bool java_lang_Thread::is_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   682
  return java_thread->bool_field(_stillborn_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   683
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   684
489c9b5090e2 Initial load
duke
parents:
diff changeset
   685
489c9b5090e2 Initial load
duke
parents:
diff changeset
   686
// We never have reason to turn the stillborn bit off
489c9b5090e2 Initial load
duke
parents:
diff changeset
   687
void java_lang_Thread::set_stillborn(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   688
  java_thread->bool_field_put(_stillborn_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   689
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   690
489c9b5090e2 Initial load
duke
parents:
diff changeset
   691
489c9b5090e2 Initial load
duke
parents:
diff changeset
   692
bool java_lang_Thread::is_alive(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   693
  JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   694
  return (thr != NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   695
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   696
489c9b5090e2 Initial load
duke
parents:
diff changeset
   697
489c9b5090e2 Initial load
duke
parents:
diff changeset
   698
bool java_lang_Thread::is_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   699
  return java_thread->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   700
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   701
489c9b5090e2 Initial load
duke
parents:
diff changeset
   702
489c9b5090e2 Initial load
duke
parents:
diff changeset
   703
void java_lang_Thread::set_daemon(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   704
  java_thread->bool_field_put(_daemon_offset, true);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   705
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   706
489c9b5090e2 Initial load
duke
parents:
diff changeset
   707
oop java_lang_Thread::context_class_loader(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   708
  return java_thread->obj_field(_contextClassLoader_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   709
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   710
489c9b5090e2 Initial load
duke
parents:
diff changeset
   711
oop java_lang_Thread::inherited_access_control_context(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   712
  return java_thread->obj_field(_inheritedAccessControlContext_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   713
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   714
489c9b5090e2 Initial load
duke
parents:
diff changeset
   715
489c9b5090e2 Initial load
duke
parents:
diff changeset
   716
jlong java_lang_Thread::stackSize(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   717
  // The stackSize field is only present starting in 1.4
489c9b5090e2 Initial load
duke
parents:
diff changeset
   718
  if (_stackSize_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   719
    assert(JDK_Version::is_gte_jdk14x_version(), "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   720
    return java_thread->long_field(_stackSize_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   721
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   722
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   723
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   724
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   725
489c9b5090e2 Initial load
duke
parents:
diff changeset
   726
// Write the thread status value to threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   727
void java_lang_Thread::set_thread_status(oop java_thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   728
                                         java_lang_Thread::ThreadStatus status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   729
  assert(JavaThread::current()->thread_state() == _thread_in_vm, "Java Thread is not running in vm");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   730
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
   731
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   732
    java_thread->int_field_put(_thread_status_offset, status);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   733
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   734
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   735
489c9b5090e2 Initial load
duke
parents:
diff changeset
   736
// Read thread status value from threadStatus field in java.lang.Thread java class.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   737
java_lang_Thread::ThreadStatus java_lang_Thread::get_thread_status(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   738
  assert(Thread::current()->is_VM_thread() ||
489c9b5090e2 Initial load
duke
parents:
diff changeset
   739
         JavaThread::current()->thread_state() == _thread_in_vm,
489c9b5090e2 Initial load
duke
parents:
diff changeset
   740
         "Java Thread is not running in vm");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   741
  // The threadStatus is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
   742
  if (_thread_status_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   743
    return (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   744
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   745
    // All we can easily figure out is if it is alive, but that is
489c9b5090e2 Initial load
duke
parents:
diff changeset
   746
    // enough info for a valid unknown status.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   747
    // These aren't restricted to valid set ThreadStatus values, so
489c9b5090e2 Initial load
duke
parents:
diff changeset
   748
    // use JVMTI values and cast.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   749
    JavaThread* thr = java_lang_Thread::thread(java_thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   750
    if (thr == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   751
      // the thread hasn't run yet or is in the process of exiting
489c9b5090e2 Initial load
duke
parents:
diff changeset
   752
      return NEW;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   753
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   754
    return (java_lang_Thread::ThreadStatus)JVMTI_THREAD_STATE_ALIVE;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   755
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   756
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   757
489c9b5090e2 Initial load
duke
parents:
diff changeset
   758
489c9b5090e2 Initial load
duke
parents:
diff changeset
   759
jlong java_lang_Thread::thread_id(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   760
  // The thread ID field is only present starting in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
   761
  if (_tid_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   762
    return java_thread->long_field(_tid_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   763
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   764
    return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   765
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   766
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   767
489c9b5090e2 Initial load
duke
parents:
diff changeset
   768
oop java_lang_Thread::park_blocker(oop java_thread) {
950
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
   769
  assert(JDK_Version::current().supports_thread_park_blocker() &&
6112b627bb36 6721093: -XX:AppendRatio=N not supported
kamg
parents: 670
diff changeset
   770
         _park_blocker_offset != 0, "Must support parkBlocker field");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   771
489c9b5090e2 Initial load
duke
parents:
diff changeset
   772
  if (_park_blocker_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   773
    return java_thread->obj_field(_park_blocker_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   774
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   775
489c9b5090e2 Initial load
duke
parents:
diff changeset
   776
  return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   777
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   778
489c9b5090e2 Initial load
duke
parents:
diff changeset
   779
jlong java_lang_Thread::park_event(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   780
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   781
    return java_thread->long_field(_park_event_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   782
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   783
  return 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   784
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   785
489c9b5090e2 Initial load
duke
parents:
diff changeset
   786
bool java_lang_Thread::set_park_event(oop java_thread, jlong ptr) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   787
  if (_park_event_offset > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   788
    java_thread->long_field_put(_park_event_offset, ptr);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   789
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   790
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   791
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   792
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   793
489c9b5090e2 Initial load
duke
parents:
diff changeset
   794
489c9b5090e2 Initial load
duke
parents:
diff changeset
   795
const char* java_lang_Thread::thread_status_name(oop java_thread) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   796
  assert(JDK_Version::is_gte_jdk15x_version() && _thread_status_offset != 0, "Must have thread status");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   797
  ThreadStatus status = (java_lang_Thread::ThreadStatus)java_thread->int_field(_thread_status_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   798
  switch (status) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   799
    case NEW                      : return "NEW";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   800
    case RUNNABLE                 : return "RUNNABLE";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   801
    case SLEEPING                 : return "TIMED_WAITING (sleeping)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   802
    case IN_OBJECT_WAIT           : return "WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   803
    case IN_OBJECT_WAIT_TIMED     : return "TIMED_WAITING (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   804
    case PARKED                   : return "WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   805
    case PARKED_TIMED             : return "TIMED_WAITING (parking)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   806
    case BLOCKED_ON_MONITOR_ENTER : return "BLOCKED (on object monitor)";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   807
    case TERMINATED               : return "TERMINATED";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   808
    default                       : return "UNKNOWN";
489c9b5090e2 Initial load
duke
parents:
diff changeset
   809
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
   810
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   811
int java_lang_ThreadGroup::_parent_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   812
int java_lang_ThreadGroup::_name_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   813
int java_lang_ThreadGroup::_threads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   814
int java_lang_ThreadGroup::_groups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   815
int java_lang_ThreadGroup::_maxPriority_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   816
int java_lang_ThreadGroup::_destroyed_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   817
int java_lang_ThreadGroup::_daemon_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   818
int java_lang_ThreadGroup::_vmAllowSuspension_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   819
int java_lang_ThreadGroup::_nthreads_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   820
int java_lang_ThreadGroup::_ngroups_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   821
489c9b5090e2 Initial load
duke
parents:
diff changeset
   822
oop  java_lang_ThreadGroup::parent(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   823
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   824
  return java_thread_group->obj_field(_parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   825
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   826
489c9b5090e2 Initial load
duke
parents:
diff changeset
   827
// ("name as oop" accessor is not necessary)
489c9b5090e2 Initial load
duke
parents:
diff changeset
   828
489c9b5090e2 Initial load
duke
parents:
diff changeset
   829
typeArrayOop java_lang_ThreadGroup::name(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   830
  oop name = java_thread_group->obj_field(_name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   831
  // ThreadGroup.name can be null
489c9b5090e2 Initial load
duke
parents:
diff changeset
   832
  return name == NULL ? (typeArrayOop)NULL : java_lang_String::value(name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   833
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   834
489c9b5090e2 Initial load
duke
parents:
diff changeset
   835
int java_lang_ThreadGroup::nthreads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   836
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   837
  return java_thread_group->int_field(_nthreads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   838
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   839
489c9b5090e2 Initial load
duke
parents:
diff changeset
   840
objArrayOop java_lang_ThreadGroup::threads(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   841
  oop threads = java_thread_group->obj_field(_threads_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   842
  assert(threads != NULL, "threadgroups should have threads");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   843
  assert(threads->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
   844
  return objArrayOop(threads);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   845
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   846
489c9b5090e2 Initial load
duke
parents:
diff changeset
   847
int java_lang_ThreadGroup::ngroups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   848
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   849
  return java_thread_group->int_field(_ngroups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   850
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   851
489c9b5090e2 Initial load
duke
parents:
diff changeset
   852
objArrayOop java_lang_ThreadGroup::groups(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   853
  oop groups = java_thread_group->obj_field(_groups_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   854
  assert(groups == NULL || groups->is_objArray(), "just checking"); // Todo: Add better type checking code
489c9b5090e2 Initial load
duke
parents:
diff changeset
   855
  return objArrayOop(groups);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   856
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   857
489c9b5090e2 Initial load
duke
parents:
diff changeset
   858
ThreadPriority java_lang_ThreadGroup::maxPriority(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   859
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   860
  return (ThreadPriority) java_thread_group->int_field(_maxPriority_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   861
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   862
489c9b5090e2 Initial load
duke
parents:
diff changeset
   863
bool java_lang_ThreadGroup::is_destroyed(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   864
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   865
  return java_thread_group->bool_field(_destroyed_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   866
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   867
489c9b5090e2 Initial load
duke
parents:
diff changeset
   868
bool java_lang_ThreadGroup::is_daemon(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   869
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   870
  return java_thread_group->bool_field(_daemon_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   871
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   872
489c9b5090e2 Initial load
duke
parents:
diff changeset
   873
bool java_lang_ThreadGroup::is_vmAllowSuspension(oop java_thread_group) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   874
  assert(java_thread_group->is_oop(), "thread group must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   875
  return java_thread_group->bool_field(_vmAllowSuspension_offset) != 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   876
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   877
489c9b5090e2 Initial load
duke
parents:
diff changeset
   878
void java_lang_ThreadGroup::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   879
  assert(_parent_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   880
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
   881
  klassOop k = SystemDictionary::ThreadGroup_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   882
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   883
  compute_offset(_parent_offset,      k, vmSymbols::parent_name(),      vmSymbols::threadgroup_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   884
  compute_offset(_name_offset,        k, vmSymbols::name_name(),        vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   885
  compute_offset(_threads_offset,     k, vmSymbols::threads_name(),     vmSymbols::thread_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   886
  compute_offset(_groups_offset,      k, vmSymbols::groups_name(),      vmSymbols::threadgroup_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   887
  compute_offset(_maxPriority_offset, k, vmSymbols::maxPriority_name(), vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   888
  compute_offset(_destroyed_offset,   k, vmSymbols::destroyed_name(),   vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   889
  compute_offset(_daemon_offset,      k, vmSymbols::daemon_name(),      vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   890
  compute_offset(_vmAllowSuspension_offset, k, vmSymbols::vmAllowSuspension_name(), vmSymbols::bool_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   891
  compute_offset(_nthreads_offset,    k, vmSymbols::nthreads_name(),    vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
   892
  compute_offset(_ngroups_offset,     k, vmSymbols::ngroups_name(),     vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   893
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   894
489c9b5090e2 Initial load
duke
parents:
diff changeset
   895
oop java_lang_Throwable::backtrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   896
  return throwable->obj_field_acquire(backtrace_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   897
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   898
489c9b5090e2 Initial load
duke
parents:
diff changeset
   899
489c9b5090e2 Initial load
duke
parents:
diff changeset
   900
void java_lang_Throwable::set_backtrace(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   901
  throwable->release_obj_field_put(backtrace_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   902
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   903
489c9b5090e2 Initial load
duke
parents:
diff changeset
   904
489c9b5090e2 Initial load
duke
parents:
diff changeset
   905
oop java_lang_Throwable::message(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   906
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   907
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   908
489c9b5090e2 Initial load
duke
parents:
diff changeset
   909
489c9b5090e2 Initial load
duke
parents:
diff changeset
   910
oop java_lang_Throwable::message(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   911
  return throwable->obj_field(detailMessage_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   912
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   913
489c9b5090e2 Initial load
duke
parents:
diff changeset
   914
489c9b5090e2 Initial load
duke
parents:
diff changeset
   915
void java_lang_Throwable::set_message(oop throwable, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   916
  throwable->obj_field_put(detailMessage_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   917
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   918
489c9b5090e2 Initial load
duke
parents:
diff changeset
   919
489c9b5090e2 Initial load
duke
parents:
diff changeset
   920
void java_lang_Throwable::clear_stacktrace(oop throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   921
  assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   922
  throwable->obj_field_put(stackTrace_offset, NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   923
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   924
489c9b5090e2 Initial load
duke
parents:
diff changeset
   925
489c9b5090e2 Initial load
duke
parents:
diff changeset
   926
void java_lang_Throwable::print(oop throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   927
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   928
  klassOop k = throwable->klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   929
  assert(k != NULL, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   930
  st->print("%s", instanceKlass::cast(k)->external_name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   931
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   932
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   933
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   934
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   935
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   936
489c9b5090e2 Initial load
duke
parents:
diff changeset
   937
489c9b5090e2 Initial load
duke
parents:
diff changeset
   938
void java_lang_Throwable::print(Handle throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   939
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   940
  klassOop k = throwable->klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   941
  assert(k != NULL, "just checking");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   942
  st->print("%s", instanceKlass::cast(k)->external_name());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   943
  oop msg = message(throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   944
  if (msg != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   945
    st->print(": %s", java_lang_String::as_utf8_string(msg));
489c9b5090e2 Initial load
duke
parents:
diff changeset
   946
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   947
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   948
489c9b5090e2 Initial load
duke
parents:
diff changeset
   949
// Print stack trace element to resource allocated buffer
489c9b5090e2 Initial load
duke
parents:
diff changeset
   950
char* java_lang_Throwable::print_stack_element_to_buffer(methodOop method, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   951
  // Get strings and string lengths
489c9b5090e2 Initial load
duke
parents:
diff changeset
   952
  instanceKlass* klass = instanceKlass::cast(method->method_holder());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   953
  const char* klass_name  = klass->external_name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   954
  int buf_len = (int)strlen(klass_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   955
  char* source_file_name;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   956
  if (klass->source_file_name() == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   957
    source_file_name = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   958
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   959
    source_file_name = klass->source_file_name()->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   960
    buf_len += (int)strlen(source_file_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   961
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   962
  char* method_name = method->name()->as_C_string();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   963
  buf_len += (int)strlen(method_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   964
489c9b5090e2 Initial load
duke
parents:
diff changeset
   965
  // Allocate temporary buffer with extra space for formatting and line number
489c9b5090e2 Initial load
duke
parents:
diff changeset
   966
  char* buf = NEW_RESOURCE_ARRAY(char, buf_len + 64);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   967
489c9b5090e2 Initial load
duke
parents:
diff changeset
   968
  // Print stack trace line in buffer
489c9b5090e2 Initial load
duke
parents:
diff changeset
   969
  sprintf(buf, "\tat %s.%s", klass_name, method_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   970
  if (method->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   971
    strcat(buf, "(Native Method)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   972
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   973
    int line_number = method->line_number_from_bci(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   974
    if (source_file_name != NULL && (line_number != -1)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   975
      // Sourcename and linenumber
489c9b5090e2 Initial load
duke
parents:
diff changeset
   976
      sprintf(buf + (int)strlen(buf), "(%s:%d)", source_file_name, line_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   977
    } else if (source_file_name != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   978
      // Just sourcename
489c9b5090e2 Initial load
duke
parents:
diff changeset
   979
      sprintf(buf + (int)strlen(buf), "(%s)", source_file_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   980
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   981
      // Neither soucename and linenumber
489c9b5090e2 Initial load
duke
parents:
diff changeset
   982
      sprintf(buf + (int)strlen(buf), "(Unknown Source)");
489c9b5090e2 Initial load
duke
parents:
diff changeset
   983
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   984
    nmethod* nm = method->code();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   985
    if (WizardMode && nm != NULL) {
1889
24b003a6fe46 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents: 950
diff changeset
   986
      sprintf(buf + (int)strlen(buf), "(nmethod " PTR_FORMAT ")", (intptr_t)nm);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   987
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   988
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   989
489c9b5090e2 Initial load
duke
parents:
diff changeset
   990
  return buf;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   991
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   992
489c9b5090e2 Initial load
duke
parents:
diff changeset
   993
489c9b5090e2 Initial load
duke
parents:
diff changeset
   994
void java_lang_Throwable::print_stack_element(Handle stream, methodOop method, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   995
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   996
  char* buf = print_stack_element_to_buffer(method, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   997
  print_to_stream(stream, buf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   998
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   999
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1000
void java_lang_Throwable::print_stack_element(outputStream *st, methodOop method, int bci) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1001
  ResourceMark rm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1002
  char* buf = print_stack_element_to_buffer(method, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1003
  st->print_cr("%s", buf);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1004
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1005
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1006
void java_lang_Throwable::print_to_stream(Handle stream, const char* str) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1007
  if (stream.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1008
    tty->print_cr("%s", str);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1009
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1010
    EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1011
    JavaValue result(T_VOID);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1012
    Handle arg (THREAD, oopFactory::new_charArray(str, THREAD));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1013
    if (!HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1014
      JavaCalls::call_virtual(&result,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1015
                              stream,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1016
                              KlassHandle(THREAD, stream->klass()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1017
                              vmSymbolHandles::println_name(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1018
                              vmSymbolHandles::char_array_void_signature(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1019
                              arg,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1020
                              THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1021
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1022
    // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1023
    if (HAS_PENDING_EXCEPTION) CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1024
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1025
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1026
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1027
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1028
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1029
const char* java_lang_Throwable::no_stack_trace_message() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1030
  return "\t<<no stack trace available>>";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1031
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1032
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1033
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1034
// Currently used only for exceptions occurring during startup
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1035
void java_lang_Throwable::print_stack_trace(oop throwable, outputStream* st) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1036
  Thread *THREAD = Thread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1037
  Handle h_throwable(THREAD, throwable);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1038
  while (h_throwable.not_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1039
    objArrayHandle result (THREAD, objArrayOop(backtrace(h_throwable())));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1040
    if (result.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1041
      st->print_cr(no_stack_trace_message());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1042
      return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1043
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1044
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1045
    while (result.not_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1046
      objArrayHandle methods (THREAD,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1047
                              objArrayOop(result->obj_at(trace_methods_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1048
      typeArrayHandle bcis (THREAD,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1049
                            typeArrayOop(result->obj_at(trace_bcis_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1050
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1051
      if (methods.is_null() || bcis.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1052
        st->print_cr(no_stack_trace_message());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1053
        return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1054
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1055
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1056
      int length = methods()->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1057
      for (int index = 0; index < length; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1058
        methodOop method = methodOop(methods()->obj_at(index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1059
        if (method == NULL) goto handle_cause;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1060
        int bci = bcis->ushort_at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1061
        print_stack_element(st, method, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1062
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1063
      result = objArrayHandle(THREAD, objArrayOop(result->obj_at(trace_next_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1064
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1065
  handle_cause:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1066
    {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1067
      EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1068
      JavaValue result(T_OBJECT);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1069
      JavaCalls::call_virtual(&result,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1070
                              h_throwable,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1071
                              KlassHandle(THREAD, h_throwable->klass()),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1072
                              vmSymbolHandles::getCause_name(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1073
                              vmSymbolHandles::void_throwable_signature(),
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1074
                              THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1075
      // Ignore any exceptions. we are in the middle of exception handling. Same as classic VM.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1076
      if (HAS_PENDING_EXCEPTION) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1077
        CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1078
        h_throwable = Handle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1079
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1080
        h_throwable = Handle(THREAD, (oop) result.get_jobject());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1081
        if (h_throwable.not_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1082
          st->print("Caused by: ");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1083
          print(h_throwable, st);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1084
          st->cr();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1085
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1086
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1087
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1088
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1089
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1090
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1091
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1092
void java_lang_Throwable::print_stack_trace(oop throwable, oop print_stream) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1093
  // Note: this is no longer used in Merlin, but we support it for compatibility.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1094
  Thread *thread = Thread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1095
  Handle stream(thread, print_stream);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1096
  objArrayHandle result (thread, objArrayOop(backtrace(throwable)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1097
  if (result.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1098
    print_to_stream(stream, no_stack_trace_message());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1099
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1100
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1101
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1102
  while (result.not_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1103
    objArrayHandle methods (thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1104
                            objArrayOop(result->obj_at(trace_methods_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1105
    typeArrayHandle bcis (thread,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1106
                          typeArrayOop(result->obj_at(trace_bcis_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1107
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1108
    if (methods.is_null() || bcis.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1109
      print_to_stream(stream, no_stack_trace_message());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1110
      return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1111
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1112
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1113
    int length = methods()->length();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1114
    for (int index = 0; index < length; index++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1115
      methodOop method = methodOop(methods()->obj_at(index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1116
      if (method == NULL) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1117
      int bci = bcis->ushort_at(index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1118
      print_stack_element(stream, method, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1119
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1120
    result = objArrayHandle(thread, objArrayOop(result->obj_at(trace_next_offset)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1121
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1122
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1123
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1124
// This class provides a simple wrapper over the internal structure of
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1125
// exception backtrace to insulate users of the backtrace from needing
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1126
// to know what it looks like.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1127
class BacktraceBuilder: public StackObj {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1128
 private:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1129
  Handle          _backtrace;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1130
  objArrayOop     _head;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1131
  objArrayOop     _methods;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1132
  typeArrayOop    _bcis;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1133
  int             _index;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1134
  bool            _dirty;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1135
  No_Safepoint_Verifier _nsv;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1136
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1137
 public:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1138
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1139
  enum {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1140
    trace_methods_offset = java_lang_Throwable::trace_methods_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1141
    trace_bcis_offset    = java_lang_Throwable::trace_bcis_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1142
    trace_next_offset    = java_lang_Throwable::trace_next_offset,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1143
    trace_size           = java_lang_Throwable::trace_size,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1144
    trace_chunk_size     = java_lang_Throwable::trace_chunk_size
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1145
  };
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1146
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1147
  // constructor for new backtrace
345
8a4c345e460c 6679708: No_Safepoint_Verifier and BacktraceBuilder have uninitialized fields
never
parents: 195
diff changeset
  1148
  BacktraceBuilder(TRAPS): _methods(NULL), _bcis(NULL), _head(NULL), _dirty(false) {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1149
    expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1150
    _backtrace = _head;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1151
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1152
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1153
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1154
  void flush() {
4886
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1155
    // The following appears to have been an optimization to save from
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1156
    // doing a barrier for each individual store into the _methods array,
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1157
    // but rather to do it for the entire array after the series of writes.
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1158
    // That optimization seems to have been lost when compressed oops was
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1159
    // implemented. However, the extra card-marks below was left in place,
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1160
    // but is now redundant because the individual stores into the
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1161
    // _methods array already execute the barrier code. CR 6918185 has
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1162
    // been filed so the original code may be restored by deferring the
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1163
    // barriers until after the entire sequence of stores, thus re-enabling
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1164
    // the intent of the original optimization. In the meantime the redundant
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1165
    // card mark below is now disabled.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1166
    if (_dirty && _methods != NULL) {
4886
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1167
#if 0
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1168
      BarrierSet* bs = Universe::heap()->barrier_set();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1169
      assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt");
4461
c17c526d36ef 6906727: UseCompressedOops: some card-marking fixes related to object arrays
ysr
parents: 3796
diff changeset
  1170
      bs->write_ref_array((HeapWord*)_methods->base(), _methods->length());
4886
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1171
#endif
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1172
      _dirty = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1173
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1174
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1175
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1176
  void expand(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1177
    flush();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1178
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1179
    objArrayHandle old_head(THREAD, _head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1180
    Pause_No_Safepoint_Verifier pnsv(&_nsv);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1181
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1182
    objArrayOop head = oopFactory::new_objectArray(trace_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1183
    objArrayHandle new_head(THREAD, head);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1184
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1185
    objArrayOop methods = oopFactory::new_objectArray(trace_chunk_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1186
    objArrayHandle new_methods(THREAD, methods);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1187
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1188
    typeArrayOop bcis = oopFactory::new_shortArray(trace_chunk_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1189
    typeArrayHandle new_bcis(THREAD, bcis);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1190
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1191
    if (!old_head.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1192
      old_head->obj_at_put(trace_next_offset, new_head());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1193
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1194
    new_head->obj_at_put(trace_methods_offset, new_methods());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1195
    new_head->obj_at_put(trace_bcis_offset, new_bcis());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1196
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1197
    _head    = new_head();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1198
    _methods = new_methods();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1199
    _bcis    = new_bcis();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1200
    _index = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1201
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1202
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1203
  oop backtrace() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1204
    flush();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1205
    return _backtrace();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1206
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1207
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1208
  inline void push(methodOop method, short bci, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1209
    if (_index >= trace_chunk_size) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1210
      methodHandle mhandle(THREAD, method);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1211
      expand(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1212
      method = mhandle();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1213
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1214
4886
a2f9a66475b3 6904516: More object array barrier fixes, following up on 6906727
ysr
parents: 4571
diff changeset
  1215
    _methods->obj_at_put(_index, method);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1216
    _bcis->ushort_at_put(_index, bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1217
    _index++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1218
    _dirty = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1219
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1220
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1221
  methodOop current_method() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1222
    assert(_index >= 0 && _index < trace_chunk_size, "out of range");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1223
    return methodOop(_methods->obj_at(_index));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1224
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1225
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1226
  jushort current_bci() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1227
    assert(_index >= 0 && _index < trace_chunk_size, "out of range");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1228
    return _bcis->ushort_at(_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1229
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1230
};
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1231
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1232
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1233
void java_lang_Throwable::fill_in_stack_trace(Handle throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1234
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1235
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1236
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1237
  // Start out by clearing the backtrace for this object, in case the VM
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1238
  // runs out of memory while allocating the stack trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1239
  set_backtrace(throwable(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1240
  if (JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1241
    // New since 1.4, clear lazily constructed Java level stacktrace if
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1242
    // refilling occurs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1243
    clear_stacktrace(throwable());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1244
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1245
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1246
  int max_depth = MaxJavaStackTraceDepth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1247
  JavaThread* thread = (JavaThread*)THREAD;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1248
  BacktraceBuilder bt(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1249
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1250
  // Instead of using vframe directly, this version of fill_in_stack_trace
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1251
  // basically handles everything by hand. This significantly improved the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1252
  // speed of this method call up to 28.5% on Solaris sparc. 27.1% on Windows.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1253
  // See bug 6333838 for  more details.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1254
  // The "ASSERT" here is to verify this method generates the exactly same stack
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1255
  // trace as utilizing vframe.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1256
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1257
  vframeStream st(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1258
  methodHandle st_method(THREAD, st.method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1259
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1260
  int total_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1261
  RegisterMap map(thread, false);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1262
  int decode_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1263
  nmethod* nm = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1264
  bool skip_fillInStackTrace_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1265
  bool skip_throwableInit_check = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1266
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1267
  for (frame fr = thread->last_frame(); max_depth != total_count;) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1268
    methodOop method = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1269
    int bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1270
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1271
    // Compiled java method case.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1272
    if (decode_offset != 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1273
      DebugInfoReadStream stream(nm, decode_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1274
      decode_offset = stream.read_int();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1275
      method = (methodOop)nm->oop_at(stream.read_int());
3686
69c1b5228547 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
cfang
parents: 3600
diff changeset
  1276
      bci = stream.read_bci();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1277
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1278
      if (fr.is_first_frame()) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1279
      address pc = fr.pc();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1280
      if (fr.is_interpreted_frame()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1281
        intptr_t bcx = fr.interpreter_frame_bcx();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1282
        method = fr.interpreter_frame_method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1283
        bci =  fr.is_bci(bcx) ? bcx : method->bci_from((address)bcx);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1284
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1285
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1286
        CodeBlob* cb = fr.cb();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1287
        // HMMM QQQ might be nice to have frame return nm as NULL if cb is non-NULL
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1288
        // but non nmethod
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1289
        fr = fr.sender(&map);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1290
        if (cb == NULL || !cb->is_nmethod()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1291
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1292
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1293
        nm = (nmethod*)cb;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1294
        if (nm->method()->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1295
          method = nm->method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1296
          bci = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1297
        } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1298
          PcDesc* pd = nm->pc_desc_at(pc);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1299
          decode_offset = pd->scope_decode_offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1300
          // if decode_offset is not equal to 0, it will execute the
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1301
          // "compiled java method case" at the beginning of the loop.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1302
          continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1303
        }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1304
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1305
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1306
#ifdef ASSERT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1307
  assert(st_method() == method && st.bci() == bci,
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1308
         "Wrong stack trace");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1309
  st.next();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1310
  // vframeStream::method isn't GC-safe so store off a copy
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1311
  // of the methodOop in case we GC.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1312
  if (!st.at_end()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1313
    st_method = st.method();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1314
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1315
#endif
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1316
    if (!skip_fillInStackTrace_check) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1317
      // check "fillInStackTrace" only once, so we negate the flag
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1318
      // after the first time check.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1319
      skip_fillInStackTrace_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1320
      if (method->name() == vmSymbols::fillInStackTrace_name()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1321
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1322
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1323
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1324
    // skip <init> methods of the exceptions klass. If there is <init> methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1325
    // that belongs to a superclass of the exception  we are going to skipping
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1326
    // them in stack trace. This is simlar to classic VM.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1327
    if (!skip_throwableInit_check) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1328
      if (method->name() == vmSymbols::object_initializer_name() &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1329
          throwable->is_a(method->method_holder())) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1330
        continue;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1331
      } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1332
        // if no "Throwable.init()" method found, we stop checking it next time.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1333
        skip_throwableInit_check = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1334
      }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1335
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1336
    bt.push(method, bci, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1337
    total_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1338
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1339
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1340
  // Put completed stack trace into throwable object
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1341
  set_backtrace(throwable(), bt.backtrace());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1342
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1343
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1344
void java_lang_Throwable::fill_in_stack_trace(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1345
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1346
  if (!StackTraceInThrowable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1347
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1348
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1349
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1350
  // Disable stack traces for some preallocated out of memory errors
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1351
  if (!Universe::should_fill_in_stack_trace(throwable)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1352
    return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1353
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1354
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1355
  PRESERVE_EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1356
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1357
  JavaThread* thread = JavaThread::active();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1358
  fill_in_stack_trace(throwable, thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1359
  // ignore exceptions thrown during stack trace filling
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1360
  CLEAR_PENDING_EXCEPTION;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1361
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1362
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1363
void java_lang_Throwable::allocate_backtrace(Handle throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1364
  // Allocate stack trace - backtrace is created but not filled in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1365
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1366
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1367
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1368
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1369
  objArrayOop h_oop = oopFactory::new_objectArray(trace_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1370
  objArrayHandle backtrace  (THREAD, h_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1371
  objArrayOop m_oop = oopFactory::new_objectArray(trace_chunk_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1372
  objArrayHandle methods (THREAD, m_oop);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1373
  typeArrayOop b = oopFactory::new_shortArray(trace_chunk_size, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1374
  typeArrayHandle bcis(THREAD, b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1375
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1376
  // backtrace has space for one chunk (next is NULL)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1377
  backtrace->obj_at_put(trace_methods_offset, methods());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1378
  backtrace->obj_at_put(trace_bcis_offset, bcis());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1379
  set_backtrace(throwable(), backtrace());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1380
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1381
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1382
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1383
void java_lang_Throwable::fill_in_stack_trace_of_preallocated_backtrace(Handle throwable) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1384
  // Fill in stack trace into preallocated backtrace (no GC)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1385
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1386
  // No-op if stack trace is disabled
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1387
  if (!StackTraceInThrowable) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1388
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1389
  assert(throwable->is_a(SystemDictionary::Throwable_klass()), "sanity check");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1390
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1391
  oop backtrace = java_lang_Throwable::backtrace(throwable());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1392
  assert(backtrace != NULL, "backtrace not preallocated");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1393
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1394
  oop m = objArrayOop(backtrace)->obj_at(trace_methods_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1395
  objArrayOop methods = objArrayOop(m);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1396
  assert(methods != NULL && methods->length() > 0, "method array not preallocated");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1397
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1398
  oop b = objArrayOop(backtrace)->obj_at(trace_bcis_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1399
  typeArrayOop bcis = typeArrayOop(b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1400
  assert(bcis != NULL, "bci array not preallocated");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1401
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1402
  assert(methods->length() == bcis->length(), "method and bci arrays should match");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1403
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1404
  JavaThread* thread = JavaThread::current();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1405
  ResourceMark rm(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1406
  vframeStream st(thread);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1407
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1408
  // Unlike fill_in_stack_trace we do not skip fillInStackTrace or throwable init
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1409
  // methods as preallocated errors aren't created by "java" code.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1410
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1411
  // fill in as much stack trace as possible
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1412
  int max_chunks = MIN2(methods->length(), (int)MaxJavaStackTraceDepth);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1413
  int chunk_count = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1414
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1415
  for (;!st.at_end(); st.next()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1416
    // add element
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1417
    bcis->ushort_at_put(chunk_count, st.bci());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1418
    methods->obj_at_put(chunk_count, st.method());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1419
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1420
    chunk_count++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1421
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1422
    // Bail-out for deep stacks
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1423
    if (chunk_count >= max_chunks) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1424
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1425
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1426
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1427
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1428
int java_lang_Throwable::get_stack_trace_depth(oop throwable, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1429
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1430
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1431
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1432
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1433
  int depth = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1434
  if (chunk != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1435
    // Iterate over chunks and count full ones
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1436
    while (true) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1437
      objArrayOop next = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1438
      if (next == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1439
      depth += trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1440
      chunk = next;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1441
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1442
    assert(chunk != NULL && chunk->obj_at(trace_next_offset) == NULL, "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1443
    // Count element in remaining partial chunk
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1444
    objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1445
    typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1446
    assert(methods != NULL && bcis != NULL, "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1447
    for (int i = 0; i < methods->length(); i++) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1448
      if (methods->obj_at(i) == NULL) break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1449
      depth++;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1450
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1451
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1452
  return depth;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1453
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1454
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1455
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1456
oop java_lang_Throwable::get_stack_trace_element(oop throwable, int index, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1457
  if (throwable == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1458
    THROW_0(vmSymbols::java_lang_NullPointerException());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1459
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1460
  if (index < 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1461
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1462
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1463
  // Compute how many chunks to skip and index into actual chunk
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1464
  objArrayOop chunk = objArrayOop(backtrace(throwable));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1465
  int skip_chunks = index / trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1466
  int chunk_index = index % trace_chunk_size;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1467
  while (chunk != NULL && skip_chunks > 0) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1468
    chunk = objArrayOop(chunk->obj_at(trace_next_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1469
        skip_chunks--;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1470
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1471
  if (chunk == NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1472
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1473
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1474
  // Get method,bci from chunk
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1475
  objArrayOop methods = objArrayOop(chunk->obj_at(trace_methods_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1476
  typeArrayOop bcis = typeArrayOop(chunk->obj_at(trace_bcis_offset));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1477
  assert(methods != NULL && bcis != NULL, "sanity check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1478
  methodHandle method(THREAD, methodOop(methods->obj_at(chunk_index)));
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1479
  int bci = bcis->ushort_at(chunk_index);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1480
  // Chunk can be partial full
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1481
  if (method.is_null()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1482
    THROW_(vmSymbols::java_lang_IndexOutOfBoundsException(), NULL);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1483
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1484
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1485
  oop element = java_lang_StackTraceElement::create(method, bci, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1486
  return element;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1487
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1488
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1489
oop java_lang_StackTraceElement::create(methodHandle method, int bci, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1490
  // SystemDictionary::stackTraceElement_klass() will be null for pre-1.4 JDKs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1491
  assert(JDK_Version::is_gte_jdk14x_version(), "should only be called in >= 1.4");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1492
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1493
  // Allocate java.lang.StackTraceElement instance
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1494
  klassOop k = SystemDictionary::StackTraceElement_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1495
  assert(k != NULL, "must be loaded in 1.4+");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1496
  instanceKlassHandle ik (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1497
  if (ik->should_be_initialized()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1498
    ik->initialize(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1499
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1500
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1501
  Handle element = ik->allocate_instance_handle(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1502
  // Fill in class name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1503
  ResourceMark rm(THREAD);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1504
  const char* str = instanceKlass::cast(method->method_holder())->external_name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1505
  oop classname = StringTable::intern((char*) str, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1506
  java_lang_StackTraceElement::set_declaringClass(element(), classname);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1507
  // Fill in method name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1508
  oop methodname = StringTable::intern(method->name(), CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1509
  java_lang_StackTraceElement::set_methodName(element(), methodname);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1510
  // Fill in source file name
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1511
  symbolOop source = instanceKlass::cast(method->method_holder())->source_file_name();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1512
  oop filename = StringTable::intern(source, CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1513
  java_lang_StackTraceElement::set_fileName(element(), filename);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1514
  // File in source line number
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1515
  int line_number;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1516
  if (method->is_native()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1517
    // Negative value different from -1 below, enabling Java code in
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1518
    // class java.lang.StackTraceElement to distinguish "native" from
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1519
    // "no LineNumberTable".
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1520
    line_number = -2;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1521
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1522
    // Returns -1 if no LineNumberTable, and otherwise actual line number
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1523
    line_number = method->line_number_from_bci(bci);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1524
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1525
  java_lang_StackTraceElement::set_lineNumber(element(), line_number);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1526
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1527
  return element();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1528
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1529
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1530
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1531
void java_lang_reflect_AccessibleObject::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1532
  klassOop k = SystemDictionary::reflect_AccessibleObject_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1533
  compute_offset(override_offset, k, vmSymbols::override_name(), vmSymbols::bool_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1534
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1535
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1536
jboolean java_lang_reflect_AccessibleObject::override(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1537
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1538
  return (jboolean) reflect->bool_field(override_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1539
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1540
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1541
void java_lang_reflect_AccessibleObject::set_override(oop reflect, jboolean value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1542
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1543
  reflect->bool_field_put(override_offset, (int) value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1544
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1545
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1546
void java_lang_reflect_Method::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1547
  klassOop k = SystemDictionary::reflect_Method_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1548
  compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1549
  compute_offset(name_offset,           k, vmSymbols::name_name(),           vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1550
  compute_offset(returnType_offset,     k, vmSymbols::returnType_name(),     vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1551
  compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1552
  compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1553
  compute_offset(slot_offset,           k, vmSymbols::slot_name(),           vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1554
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1555
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1556
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1557
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1558
  parameter_annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1559
  annotation_default_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1560
  compute_optional_offset(signature_offset,             k, vmSymbols::signature_name(),             vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1561
  compute_optional_offset(annotations_offset,           k, vmSymbols::annotations_name(),           vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1562
  compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1563
  compute_optional_offset(annotation_default_offset,    k, vmSymbols::annotation_default_name(),    vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1564
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1565
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1566
Handle java_lang_reflect_Method::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1567
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1568
  klassOop klass = SystemDictionary::reflect_Method_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1569
  // This class is eagerly initialized during VM initialization, since we keep a refence
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1570
  // to one of the methods
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1571
  assert(instanceKlass::cast(klass)->is_initialized(), "must be initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1572
  return instanceKlass::cast(klass)->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1573
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1574
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1575
oop java_lang_reflect_Method::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1576
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1577
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1578
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1579
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1580
void java_lang_reflect_Method::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1581
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1582
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1583
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1584
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1585
int java_lang_reflect_Method::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1586
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1587
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1588
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1589
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1590
void java_lang_reflect_Method::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1591
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1592
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1593
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1594
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1595
oop java_lang_reflect_Method::name(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1596
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1597
  return method->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1598
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1599
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1600
void java_lang_reflect_Method::set_name(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1601
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1602
  method->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1603
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1604
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1605
oop java_lang_reflect_Method::return_type(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1606
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1607
  return method->obj_field(returnType_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1608
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1609
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1610
void java_lang_reflect_Method::set_return_type(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1611
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1612
  method->obj_field_put(returnType_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1613
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1614
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1615
oop java_lang_reflect_Method::parameter_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1616
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1617
  return method->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1618
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1619
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1620
void java_lang_reflect_Method::set_parameter_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1621
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1622
  method->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1623
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1624
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1625
oop java_lang_reflect_Method::exception_types(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1626
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1627
  return method->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1628
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1629
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1630
void java_lang_reflect_Method::set_exception_types(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1631
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1632
  method->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1633
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1634
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1635
int java_lang_reflect_Method::modifiers(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1636
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1637
  return method->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1638
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1639
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1640
void java_lang_reflect_Method::set_modifiers(oop method, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1641
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1642
  method->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1643
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1644
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1645
bool java_lang_reflect_Method::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1646
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1647
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1648
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1649
oop java_lang_reflect_Method::signature(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1650
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1651
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1652
  return method->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1653
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1654
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1655
void java_lang_reflect_Method::set_signature(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1656
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1657
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1658
  method->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1659
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1660
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1661
bool java_lang_reflect_Method::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1662
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1663
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1664
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1665
oop java_lang_reflect_Method::annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1666
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1667
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1668
  return method->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1669
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1670
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1671
void java_lang_reflect_Method::set_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1672
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1673
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1674
  method->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1675
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1676
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1677
bool java_lang_reflect_Method::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1678
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1679
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1680
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1681
oop java_lang_reflect_Method::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1682
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1683
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1684
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1685
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1686
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1687
void java_lang_reflect_Method::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1688
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1689
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1690
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1691
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1692
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1693
bool java_lang_reflect_Method::has_annotation_default_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1694
  return (annotation_default_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1695
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1696
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1697
oop java_lang_reflect_Method::annotation_default(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1698
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1699
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1700
  return method->obj_field(annotation_default_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1701
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1702
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1703
void java_lang_reflect_Method::set_annotation_default(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1704
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1705
  assert(has_annotation_default_field(), "annotation default field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1706
  method->obj_field_put(annotation_default_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1707
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1708
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1709
void java_lang_reflect_Constructor::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1710
  klassOop k = SystemDictionary::reflect_Constructor_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1711
  compute_offset(clazz_offset,          k, vmSymbols::clazz_name(),          vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1712
  compute_offset(parameterTypes_offset, k, vmSymbols::parameterTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1713
  compute_offset(exceptionTypes_offset, k, vmSymbols::exceptionTypes_name(), vmSymbols::class_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1714
  compute_offset(slot_offset,           k, vmSymbols::slot_name(),           vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1715
  compute_offset(modifiers_offset,      k, vmSymbols::modifiers_name(),      vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1716
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1717
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1718
  annotations_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1719
  parameter_annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1720
  compute_optional_offset(signature_offset,             k, vmSymbols::signature_name(),             vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1721
  compute_optional_offset(annotations_offset,           k, vmSymbols::annotations_name(),           vmSymbols::byte_array_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1722
  compute_optional_offset(parameter_annotations_offset, k, vmSymbols::parameter_annotations_name(), vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1723
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1724
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1725
Handle java_lang_reflect_Constructor::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1726
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1727
  symbolHandle name = vmSymbolHandles::java_lang_reflect_Constructor();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1728
  klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1729
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1730
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1731
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1732
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1733
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1734
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1735
oop java_lang_reflect_Constructor::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1736
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1737
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1738
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1739
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1740
void java_lang_reflect_Constructor::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1741
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1742
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1743
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1744
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1745
oop java_lang_reflect_Constructor::parameter_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1746
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1747
  return constructor->obj_field(parameterTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1748
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1749
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1750
void java_lang_reflect_Constructor::set_parameter_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1751
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1752
  constructor->obj_field_put(parameterTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1753
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1754
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1755
oop java_lang_reflect_Constructor::exception_types(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1756
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1757
  return constructor->obj_field(exceptionTypes_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1758
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1759
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1760
void java_lang_reflect_Constructor::set_exception_types(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1761
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1762
  constructor->obj_field_put(exceptionTypes_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1763
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1764
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1765
int java_lang_reflect_Constructor::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1766
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1767
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1768
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1769
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1770
void java_lang_reflect_Constructor::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1771
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1772
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1773
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1774
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1775
int java_lang_reflect_Constructor::modifiers(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1776
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1777
  return constructor->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1778
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1779
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1780
void java_lang_reflect_Constructor::set_modifiers(oop constructor, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1781
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1782
  constructor->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1783
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1784
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1785
bool java_lang_reflect_Constructor::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1786
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1787
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1788
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1789
oop java_lang_reflect_Constructor::signature(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1790
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1791
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1792
  return constructor->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1793
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1794
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1795
void java_lang_reflect_Constructor::set_signature(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1796
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1797
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1798
  constructor->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1799
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1800
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1801
bool java_lang_reflect_Constructor::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1802
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1803
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1804
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1805
oop java_lang_reflect_Constructor::annotations(oop constructor) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1806
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1807
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1808
  return constructor->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1809
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1810
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1811
void java_lang_reflect_Constructor::set_annotations(oop constructor, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1812
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1813
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1814
  constructor->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1815
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1816
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1817
bool java_lang_reflect_Constructor::has_parameter_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1818
  return (parameter_annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1819
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1820
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1821
oop java_lang_reflect_Constructor::parameter_annotations(oop method) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1822
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1823
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1824
  return method->obj_field(parameter_annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1825
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1826
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1827
void java_lang_reflect_Constructor::set_parameter_annotations(oop method, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1828
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1829
  assert(has_parameter_annotations_field(), "parameter annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1830
  method->obj_field_put(parameter_annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1831
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1832
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1833
void java_lang_reflect_Field::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1834
  klassOop k = SystemDictionary::reflect_Field_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1835
  compute_offset(clazz_offset,     k, vmSymbols::clazz_name(),     vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1836
  compute_offset(name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1837
  compute_offset(type_offset,      k, vmSymbols::type_name(),      vmSymbols::class_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1838
  compute_offset(slot_offset,      k, vmSymbols::slot_name(),      vmSymbols::int_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1839
  compute_offset(modifiers_offset, k, vmSymbols::modifiers_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1840
  // The generic signature and annotations fields are only present in 1.5
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1841
  signature_offset = -1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1842
  annotations_offset = -1;
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1843
  compute_optional_offset(signature_offset, k, vmSymbols::signature_name(), vmSymbols::string_signature());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1844
  compute_optional_offset(annotations_offset,  k, vmSymbols::annotations_name(),  vmSymbols::byte_array_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1845
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1846
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1847
Handle java_lang_reflect_Field::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1848
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1849
  symbolHandle name = vmSymbolHandles::java_lang_reflect_Field();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1850
  klassOop k = SystemDictionary::resolve_or_fail(name, true, CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1851
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1852
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1853
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1854
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1855
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1856
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1857
oop java_lang_reflect_Field::clazz(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1858
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1859
  return reflect->obj_field(clazz_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1860
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1861
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1862
void java_lang_reflect_Field::set_clazz(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1863
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1864
   reflect->obj_field_put(clazz_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1865
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1866
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1867
oop java_lang_reflect_Field::name(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1868
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1869
  return field->obj_field(name_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1870
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1871
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1872
void java_lang_reflect_Field::set_name(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1873
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1874
  field->obj_field_put(name_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1875
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1876
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1877
oop java_lang_reflect_Field::type(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1878
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1879
  return field->obj_field(type_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1880
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1881
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1882
void java_lang_reflect_Field::set_type(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1883
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1884
  field->obj_field_put(type_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1885
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1886
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1887
int java_lang_reflect_Field::slot(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1888
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1889
  return reflect->int_field(slot_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1890
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1891
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1892
void java_lang_reflect_Field::set_slot(oop reflect, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1893
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1894
  reflect->int_field_put(slot_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1895
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1896
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1897
int java_lang_reflect_Field::modifiers(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1898
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1899
  return field->int_field(modifiers_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1900
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1901
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1902
void java_lang_reflect_Field::set_modifiers(oop field, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1903
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1904
  field->int_field_put(modifiers_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1905
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1906
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1907
bool java_lang_reflect_Field::has_signature_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1908
  return (signature_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1909
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1910
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1911
oop java_lang_reflect_Field::signature(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1912
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1913
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1914
  return field->obj_field(signature_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1915
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1916
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1917
void java_lang_reflect_Field::set_signature(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1918
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1919
  assert(has_signature_field(), "signature field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1920
  field->obj_field_put(signature_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1921
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1922
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1923
bool java_lang_reflect_Field::has_annotations_field() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1924
  return (annotations_offset >= 0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1925
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1926
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1927
oop java_lang_reflect_Field::annotations(oop field) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1928
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1929
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1930
  return field->obj_field(annotations_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1931
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1932
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1933
void java_lang_reflect_Field::set_annotations(oop field, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1934
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1935
  assert(has_annotations_field(), "annotations field must be present");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1936
  field->obj_field_put(annotations_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1937
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1938
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1939
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1940
void sun_reflect_ConstantPool::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1941
  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1942
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1943
  if (k != NULL) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1944
    compute_offset(_cp_oop_offset, k, vmSymbols::constantPoolOop_name(), vmSymbols::object_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1945
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1946
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1947
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1948
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1949
Handle sun_reflect_ConstantPool::create(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1950
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1951
  klassOop k = SystemDictionary::reflect_ConstantPool_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1952
  instanceKlassHandle klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1953
  // Ensure it is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1954
  klass->initialize(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1955
  return klass->allocate_instance_handle(CHECK_NH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1956
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1957
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1958
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1959
oop sun_reflect_ConstantPool::cp_oop(oop reflect) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1960
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1961
  return reflect->obj_field(_cp_oop_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1962
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1963
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1964
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1965
void sun_reflect_ConstantPool::set_cp_oop(oop reflect, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1966
  assert(Universe::is_fully_initialized(), "Need to find another solution to the reflection problem");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1967
  reflect->obj_field_put(_cp_oop_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1968
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1969
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1970
void sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  1971
  klassOop k = SystemDictionary::reflect_UnsafeStaticFieldAccessorImpl_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1972
  // This null test can be removed post beta
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1973
  if (k != NULL) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1974
    compute_offset(_base_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1975
                   vmSymbols::base_name(), vmSymbols::object_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1976
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1977
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1978
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1979
oop java_lang_boxing_object::initialize_and_allocate(BasicType type, TRAPS) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1980
  klassOop k = SystemDictionary::box_klass(type);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1981
  if (k == NULL)  return NULL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1982
  instanceKlassHandle h (THREAD, k);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1983
  if (!h->is_initialized())  h->initialize(CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1984
  return h->allocate_instance(THREAD);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1985
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1986
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1987
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1988
oop java_lang_boxing_object::create(BasicType type, jvalue* value, TRAPS) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1989
  oop box = initialize_and_allocate(type, CHECK_0);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  1990
  if (box == NULL)  return NULL;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1991
  switch (type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1992
    case T_BOOLEAN:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1993
      box->bool_field_put(value_offset, value->z);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1994
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1995
    case T_CHAR:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1996
      box->char_field_put(value_offset, value->c);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1997
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1998
    case T_FLOAT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  1999
      box->float_field_put(value_offset, value->f);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2000
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2001
    case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2002
      box->double_field_put(long_value_offset, value->d);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2003
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2004
    case T_BYTE:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2005
      box->byte_field_put(value_offset, value->b);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2006
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2007
    case T_SHORT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2008
      box->short_field_put(value_offset, value->s);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2009
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2010
    case T_INT:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2011
      box->int_field_put(value_offset, value->i);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2012
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2013
    case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2014
      box->long_field_put(long_value_offset, value->j);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2015
      break;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2016
    default:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2017
      return NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2018
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2019
  return box;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2020
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2021
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2022
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2023
BasicType java_lang_boxing_object::basic_type(oop box) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2024
  if (box == NULL)  return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2025
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2026
  if (type == T_OBJECT)         // 'unknown' value returned by SD::bkt
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2027
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2028
  return type;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2029
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2030
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2031
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2032
BasicType java_lang_boxing_object::get_value(oop box, jvalue* value) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2033
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2034
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2035
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2036
    value->z = box->bool_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2037
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2038
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2039
    value->c = box->char_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2040
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2041
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2042
    value->f = box->float_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2043
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2044
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2045
    value->d = box->double_field(long_value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2046
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2047
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2048
    value->b = box->byte_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2049
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2050
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2051
    value->s = box->short_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2052
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2053
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2054
    value->i = box->int_field(value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2055
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2056
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2057
    value->j = box->long_field(long_value_offset);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2058
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2059
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2060
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2061
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2062
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2063
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2064
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2065
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2066
BasicType java_lang_boxing_object::set_value(oop box, jvalue* value) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2067
  BasicType type = SystemDictionary::box_klass_type(box->klass());
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2068
  switch (type) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2069
  case T_BOOLEAN:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2070
    box->bool_field_put(value_offset, value->z);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2071
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2072
  case T_CHAR:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2073
    box->char_field_put(value_offset, value->c);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2074
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2075
  case T_FLOAT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2076
    box->float_field_put(value_offset, value->f);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2077
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2078
  case T_DOUBLE:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2079
    box->double_field_put(long_value_offset, value->d);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2080
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2081
  case T_BYTE:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2082
    box->byte_field_put(value_offset, value->b);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2083
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2084
  case T_SHORT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2085
    box->short_field_put(value_offset, value->s);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2086
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2087
  case T_INT:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2088
    box->int_field_put(value_offset, value->i);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2089
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2090
  case T_LONG:
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2091
    box->long_field_put(long_value_offset, value->j);
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2092
    break;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2093
  default:
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2094
    return T_ILLEGAL;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2095
  } // end switch
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2096
  return type;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2097
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2098
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2099
2332
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2100
void java_lang_boxing_object::print(BasicType type, jvalue* value, outputStream* st) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2101
  switch (type) {
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2102
  case T_BOOLEAN:   st->print("%s", value->z ? "true" : "false");   break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2103
  case T_CHAR:      st->print("%d", value->c);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2104
  case T_BYTE:      st->print("%d", value->b);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2105
  case T_SHORT:     st->print("%d", value->s);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2106
  case T_INT:       st->print("%d", value->i);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2107
  case T_LONG:      st->print(INT64_FORMAT, value->j);              break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2108
  case T_FLOAT:     st->print("%f", value->f);                      break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2109
  case T_DOUBLE:    st->print("%lf", value->d);                     break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2110
  default:          st->print("type %d?", type);                    break;
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2111
  }
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2112
}
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2113
5c7b6f4ce0a1 6814659: separable cleanups and subroutines for 6655638
jrose
parents: 2105
diff changeset
  2114
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2115
// Support for java_lang_ref_Reference
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2116
oop java_lang_ref_Reference::pending_list_lock() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2117
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2118
  char *addr = (((char *)ik->start_of_static_fields()) + static_lock_offset);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2119
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2120
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2121
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2122
    return oopDesc::load_decode_heap_oop((oop*)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2123
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2124
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2125
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2126
HeapWord *java_lang_ref_Reference::pending_list_addr() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2127
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::Reference_klass());
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2128
  char *addr = (((char *)ik->start_of_static_fields()) + static_pending_offset);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2129
  // XXX This might not be HeapWord aligned, almost rather be char *.
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2130
  return (HeapWord*)addr;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2131
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2132
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2133
oop java_lang_ref_Reference::pending_list() {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2134
  char *addr = (char *)pending_list_addr();
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2135
  if (UseCompressedOops) {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2136
    return oopDesc::load_decode_heap_oop((narrowOop *)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2137
  } else {
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2138
    return oopDesc::load_decode_heap_oop((oop*)addr);
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2139
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2140
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2141
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2142
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2143
// Support for java_lang_ref_SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2144
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2145
jlong java_lang_ref_SoftReference::timestamp(oop ref) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2146
  return ref->long_field(timestamp_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2147
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2148
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2149
jlong java_lang_ref_SoftReference::clock() {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2150
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2151
  int offset = ik->offset_of_static_fields() + static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2152
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2153
  return SystemDictionary::SoftReference_klass()->long_field(offset);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2154
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2155
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2156
void java_lang_ref_SoftReference::set_clock(jlong value) {
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2157
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::SoftReference_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2158
  int offset = ik->offset_of_static_fields() + static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2159
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2160
  SystemDictionary::SoftReference_klass()->long_field_put(offset, value);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2161
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2162
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2163
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2164
// Support for java_dyn_MethodHandle
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2165
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2166
int java_dyn_MethodHandle::_type_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2167
int java_dyn_MethodHandle::_vmtarget_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2168
int java_dyn_MethodHandle::_vmentry_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2169
int java_dyn_MethodHandle::_vmslots_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2170
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2171
int sun_dyn_MemberName::_clazz_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2172
int sun_dyn_MemberName::_name_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2173
int sun_dyn_MemberName::_type_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2174
int sun_dyn_MemberName::_flags_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2175
int sun_dyn_MemberName::_vmtarget_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2176
int sun_dyn_MemberName::_vmindex_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2177
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2178
int sun_dyn_DirectMethodHandle::_vmindex_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2179
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2180
int sun_dyn_BoundMethodHandle::_argument_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2181
int sun_dyn_BoundMethodHandle::_vmargslot_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2182
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2183
int sun_dyn_AdapterMethodHandle::_conversion_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2184
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2185
void java_dyn_MethodHandle::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2186
  klassOop k = SystemDictionary::MethodHandle_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2187
  if (k != NULL && EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2188
    compute_offset(_type_offset,      k, vmSymbols::type_name(),      vmSymbols::java_dyn_MethodType_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2189
    compute_offset(_vmtarget_offset,  k, vmSymbols::vmtarget_name(),  vmSymbols::object_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2190
    compute_offset(_vmentry_offset,   k, vmSymbols::vmentry_name(),   vmSymbols::machine_word_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2191
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2192
    // Note:  MH.vmslots (if it is present) is a hoisted copy of MH.type.form.vmslots.
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2193
    // It is optional pending experiments to keep or toss.
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2194
    compute_optional_offset(_vmslots_offset, k, vmSymbols::vmslots_name(), vmSymbols::int_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2195
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2196
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2197
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2198
void sun_dyn_MemberName::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2199
  klassOop k = SystemDictionary::MemberName_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2200
  if (k != NULL && EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2201
    compute_offset(_clazz_offset,     k, vmSymbols::clazz_name(),     vmSymbols::class_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2202
    compute_offset(_name_offset,      k, vmSymbols::name_name(),      vmSymbols::string_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2203
    compute_offset(_type_offset,      k, vmSymbols::type_name(),      vmSymbols::object_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2204
    compute_offset(_flags_offset,     k, vmSymbols::flags_name(),     vmSymbols::int_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2205
    compute_offset(_vmtarget_offset,  k, vmSymbols::vmtarget_name(),  vmSymbols::object_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2206
    compute_offset(_vmindex_offset,   k, vmSymbols::vmindex_name(),   vmSymbols::int_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2207
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2208
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2209
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2210
void sun_dyn_DirectMethodHandle::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2211
  klassOop k = SystemDictionary::DirectMethodHandle_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2212
  if (k != NULL && EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2213
    compute_offset(_vmindex_offset,   k, vmSymbols::vmindex_name(),   vmSymbols::int_signature(),    true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2214
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2215
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2216
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2217
void sun_dyn_BoundMethodHandle::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2218
  klassOop k = SystemDictionary::BoundMethodHandle_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2219
  if (k != NULL && EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2220
    compute_offset(_vmargslot_offset, k, vmSymbols::vmargslot_name(), vmSymbols::int_signature(),    true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2221
    compute_offset(_argument_offset,  k, vmSymbols::argument_name(),  vmSymbols::object_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2222
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2223
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2224
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2225
void sun_dyn_AdapterMethodHandle::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2226
  klassOop k = SystemDictionary::AdapterMethodHandle_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2227
  if (k != NULL && EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2228
    compute_offset(_conversion_offset, k, vmSymbols::conversion_name(), vmSymbols::int_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2229
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2230
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2231
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2232
oop java_dyn_MethodHandle::type(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2233
  return mh->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2234
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2235
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2236
void java_dyn_MethodHandle::set_type(oop mh, oop mtype) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2237
  mh->obj_field_put(_type_offset, mtype);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2238
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2239
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2240
int java_dyn_MethodHandle::vmslots(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2241
  int vmslots_offset = _vmslots_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2242
  if (vmslots_offset != 0) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2243
#ifdef ASSERT
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2244
    int x = mh->int_field(vmslots_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2245
    int y = compute_vmslots(mh);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2246
    assert(x == y, "correct hoisted value");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2247
#endif
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2248
    return mh->int_field(vmslots_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2249
  } else {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2250
    return compute_vmslots(mh);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2251
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2252
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2253
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2254
// if MH.vmslots exists, hoist into it the value of type.form.vmslots
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2255
void java_dyn_MethodHandle::init_vmslots(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2256
  int vmslots_offset = _vmslots_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2257
  if (vmslots_offset != 0) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2258
    mh->int_field_put(vmslots_offset, compute_vmslots(mh));
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2259
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2260
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2261
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2262
// fetch type.form.vmslots, which is the number of JVM stack slots
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2263
// required to carry the arguments of this MH
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2264
int java_dyn_MethodHandle::compute_vmslots(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2265
  oop mtype = type(mh);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2266
  if (mtype == NULL)  return 0;  // Java code would get NPE
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2267
  oop form = java_dyn_MethodType::form(mtype);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2268
  if (form == NULL)   return 0;  // Java code would get NPE
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2269
  return java_dyn_MethodTypeForm::vmslots(form);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2270
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2271
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2272
// fetch the low-level entry point for this mh
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2273
MethodHandleEntry* java_dyn_MethodHandle::vmentry(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2274
  return (MethodHandleEntry*) mh->address_field(_vmentry_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2275
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2276
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2277
void java_dyn_MethodHandle::set_vmentry(oop mh, MethodHandleEntry* me) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2278
  assert(_vmentry_offset != 0, "must be present");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2279
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2280
  // This is always the final step that initializes a valid method handle:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2281
  mh->release_address_field_put(_vmentry_offset, (address) me);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2282
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2283
  // There should be enough memory barriers on exit from native methods
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2284
  // to ensure that the MH is fully initialized to all threads before
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2285
  // Java code can publish it in global data structures.
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2286
  // But just in case, we use release_address_field_put.
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2287
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2288
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2289
/// MemberName accessors
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2290
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2291
oop sun_dyn_MemberName::clazz(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2292
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2293
  return mname->obj_field(_clazz_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2294
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2295
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2296
void sun_dyn_MemberName::set_clazz(oop mname, oop clazz) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2297
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2298
  mname->obj_field_put(_clazz_offset, clazz);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2299
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2300
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2301
oop sun_dyn_MemberName::name(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2302
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2303
  return mname->obj_field(_name_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2304
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2305
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2306
void sun_dyn_MemberName::set_name(oop mname, oop name) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2307
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2308
  mname->obj_field_put(_name_offset, name);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2309
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2310
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2311
oop sun_dyn_MemberName::type(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2312
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2313
  return mname->obj_field(_type_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2314
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2315
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2316
void sun_dyn_MemberName::set_type(oop mname, oop type) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2317
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2318
  mname->obj_field_put(_type_offset, type);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2319
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2320
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2321
int sun_dyn_MemberName::flags(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2322
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2323
  return mname->int_field(_flags_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2324
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2325
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2326
void sun_dyn_MemberName::set_flags(oop mname, int flags) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2327
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2328
  mname->int_field_put(_flags_offset, flags);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2329
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2330
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2331
oop sun_dyn_MemberName::vmtarget(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2332
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2333
  return mname->obj_field(_vmtarget_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2334
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2335
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2336
void sun_dyn_MemberName::set_vmtarget(oop mname, oop ref) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2337
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2338
  mname->obj_field_put(_vmtarget_offset, ref);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2339
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2340
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2341
int sun_dyn_MemberName::vmindex(oop mname) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2342
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2343
  return mname->int_field(_vmindex_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2344
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2345
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2346
void sun_dyn_MemberName::set_vmindex(oop mname, int index) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2347
  assert(is_instance(mname), "wrong type");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2348
  mname->int_field_put(_vmindex_offset, index);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2349
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2350
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2351
oop java_dyn_MethodHandle::vmtarget(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2352
  assert(is_instance(mh), "MH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2353
  return mh->obj_field(_vmtarget_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2354
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2355
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2356
void java_dyn_MethodHandle::set_vmtarget(oop mh, oop ref) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2357
  assert(is_instance(mh), "MH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2358
  mh->obj_field_put(_vmtarget_offset, ref);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2359
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2360
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2361
int sun_dyn_DirectMethodHandle::vmindex(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2362
  assert(is_instance(mh), "DMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2363
  return mh->int_field(_vmindex_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2364
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2365
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2366
void sun_dyn_DirectMethodHandle::set_vmindex(oop mh, int index) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2367
  assert(is_instance(mh), "DMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2368
  mh->int_field_put(_vmindex_offset, index);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2369
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2370
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2371
int sun_dyn_BoundMethodHandle::vmargslot(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2372
  assert(is_instance(mh), "BMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2373
  return mh->int_field(_vmargslot_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2374
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2375
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2376
oop sun_dyn_BoundMethodHandle::argument(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2377
  assert(is_instance(mh), "BMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2378
  return mh->obj_field(_argument_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2379
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2380
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2381
int sun_dyn_AdapterMethodHandle::conversion(oop mh) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2382
  assert(is_instance(mh), "AMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2383
  return mh->int_field(_conversion_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2384
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2385
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2386
void sun_dyn_AdapterMethodHandle::set_conversion(oop mh, int conv) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2387
  assert(is_instance(mh), "AMH only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2388
  mh->int_field_put(_conversion_offset, conv);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2389
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2390
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2391
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2392
// Support for java_dyn_MethodType
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2393
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2394
int java_dyn_MethodType::_rtype_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2395
int java_dyn_MethodType::_ptypes_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2396
int java_dyn_MethodType::_form_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2397
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2398
void java_dyn_MethodType::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2399
  klassOop k = SystemDictionary::MethodType_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2400
  if (k != NULL) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2401
    compute_offset(_rtype_offset,  k, vmSymbols::rtype_name(),  vmSymbols::class_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2402
    compute_offset(_ptypes_offset, k, vmSymbols::ptypes_name(), vmSymbols::class_array_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2403
    compute_offset(_form_offset,   k, vmSymbols::form_name(),   vmSymbols::java_dyn_MethodTypeForm_signature());
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2404
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2405
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2406
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2407
void java_dyn_MethodType::print_signature(oop mt, outputStream* st) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2408
  st->print("(");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2409
  objArrayOop pts = ptypes(mt);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2410
  for (int i = 0, limit = pts->length(); i < limit; i++) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2411
    java_lang_Class::print_signature(pts->obj_at(i), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2412
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2413
  st->print(")");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2414
  java_lang_Class::print_signature(rtype(mt), st);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2415
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2416
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2417
symbolOop java_dyn_MethodType::as_signature(oop mt, bool intern_if_not_found, TRAPS) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2418
  ResourceMark rm;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2419
  stringStream buffer(128);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2420
  print_signature(mt, &buffer);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2421
  const char* sigstr =       buffer.base();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2422
  int         siglen = (int) buffer.size();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2423
  if (!intern_if_not_found)
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2424
    return SymbolTable::probe(sigstr, siglen);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2425
  else
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2426
    return oopFactory::new_symbol(sigstr, siglen, THREAD);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2427
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2428
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2429
oop java_dyn_MethodType::rtype(oop mt) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2430
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2431
  return mt->obj_field(_rtype_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2432
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2433
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2434
objArrayOop java_dyn_MethodType::ptypes(oop mt) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2435
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2436
  return (objArrayOop) mt->obj_field(_ptypes_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2437
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2438
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2439
oop java_dyn_MethodType::form(oop mt) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2440
  assert(is_instance(mt), "must be a MethodType");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2441
  return mt->obj_field(_form_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2442
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2443
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2444
oop java_dyn_MethodType::ptype(oop mt, int idx) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2445
  return ptypes(mt)->obj_at(idx);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2446
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2447
4562
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2448
int java_dyn_MethodType::ptype_count(oop mt) {
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2449
  return ptypes(mt)->length();
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2450
}
5d93cb2d2090 6894206: JVM needs a way to traverse method handle structures
twisti
parents: 4466
diff changeset
  2451
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2452
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2453
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2454
// Support for java_dyn_MethodTypeForm
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2455
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2456
int java_dyn_MethodTypeForm::_vmslots_offset;
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2457
int java_dyn_MethodTypeForm::_erasedType_offset;
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2458
int java_dyn_MethodTypeForm::_genericInvoker_offset;
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2459
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2460
void java_dyn_MethodTypeForm::compute_offsets() {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2461
  klassOop k = SystemDictionary::MethodTypeForm_klass();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2462
  if (k != NULL) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2463
    compute_optional_offset(_vmslots_offset,    k, vmSymbols::vmslots_name(),    vmSymbols::int_signature(), true);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2464
    compute_optional_offset(_erasedType_offset, k, vmSymbols::erasedType_name(), vmSymbols::java_dyn_MethodType_signature(), true);
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2465
    compute_optional_offset(_genericInvoker_offset, k, vmSymbols::genericInvoker_name(), vmSymbols::java_dyn_MethodHandle_signature(), true);
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2466
    if (_genericInvoker_offset == 0)  _genericInvoker_offset = -1;  // set to explicit "empty" value
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2467
  }
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2468
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2469
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2470
int java_dyn_MethodTypeForm::vmslots(oop mtform) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2471
  assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2472
  return mtform->int_field(_vmslots_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2473
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2474
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2475
oop java_dyn_MethodTypeForm::erasedType(oop mtform) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2476
  assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only");
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2477
  return mtform->obj_field(_erasedType_offset);
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2478
}
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2479
6463
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2480
oop java_dyn_MethodTypeForm::genericInvoker(oop mtform) {
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2481
  assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only");
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2482
  return mtform->obj_field(_genericInvoker_offset);
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2483
}
f4362c8da849 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions
jrose
parents: 5547
diff changeset
  2484
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2485
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2486
// Support for java_dyn_CallSite
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2487
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2488
int java_dyn_CallSite::_target_offset;
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2489
int java_dyn_CallSite::_caller_method_offset;
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2490
int java_dyn_CallSite::_caller_bci_offset;
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2491
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2492
void java_dyn_CallSite::compute_offsets() {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2493
  if (!EnableInvokeDynamic)  return;
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2494
  klassOop k = SystemDictionary::CallSite_klass();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2495
  if (k != NULL) {
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2496
    compute_offset(_target_offset, k, vmSymbols::target_name(), vmSymbols::java_dyn_MethodHandle_signature());
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2497
    compute_offset(_caller_method_offset, k, vmSymbols::vmmethod_name(), vmSymbols::sun_dyn_MemberName_signature());
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2498
    compute_offset(_caller_bci_offset, k, vmSymbols::vmindex_name(), vmSymbols::int_signature());
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2499
  }
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2500
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2501
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2502
oop java_dyn_CallSite::target(oop site) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2503
  return site->obj_field(_target_offset);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2504
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2505
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2506
void java_dyn_CallSite::set_target(oop site, oop target) {
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2507
  site->obj_field_put(_target_offset, target);
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2508
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2509
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2510
oop java_dyn_CallSite::caller_method(oop site) {
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2511
  return site->obj_field(_caller_method_offset);
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2512
}
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2513
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2514
void java_dyn_CallSite::set_caller_method(oop site, oop ref) {
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2515
  site->obj_field_put(_caller_method_offset, ref);
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2516
}
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2517
5420
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2518
jint java_dyn_CallSite::caller_bci(oop site) {
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2519
  return site->int_field(_caller_bci_offset);
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2520
}
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2521
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2522
void java_dyn_CallSite::set_caller_bci(oop site, jint bci) {
586d3988e72b 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 4886
diff changeset
  2523
  site->int_field_put(_caller_bci_offset, bci);
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2524
}
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2525
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2526
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2527
// Support for java_security_AccessControlContext
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2528
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2529
int java_security_AccessControlContext::_context_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2530
int java_security_AccessControlContext::_privilegedContext_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2531
int java_security_AccessControlContext::_isPrivileged_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2532
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2533
void java_security_AccessControlContext::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2534
  assert(_isPrivileged_offset == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2535
  fieldDescriptor fd;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2536
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::AccessControlContext_klass());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2537
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2538
  if (!ik->find_local_field(vmSymbols::context_name(), vmSymbols::protectiondomain_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2539
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2540
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2541
  _context_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2542
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2543
  if (!ik->find_local_field(vmSymbols::privilegedContext_name(), vmSymbols::accesscontrolcontext_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2544
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2545
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2546
  _privilegedContext_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2547
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2548
  if (!ik->find_local_field(vmSymbols::isPrivileged_name(), vmSymbols::bool_signature(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2549
    fatal("Invalid layout of java.security.AccessControlContext");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2550
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2551
  _isPrivileged_offset = fd.offset();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2552
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2553
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2554
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2555
oop java_security_AccessControlContext::create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2556
  assert(_isPrivileged_offset != 0, "offsets should have been initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2557
  // Ensure klass is initialized
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2558
  instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->initialize(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2559
  // Allocate result
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2560
  oop result = instanceKlass::cast(SystemDictionary::AccessControlContext_klass())->allocate_instance(CHECK_0);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2561
  // Fill in values
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2562
  result->obj_field_put(_context_offset, context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2563
  result->obj_field_put(_privilegedContext_offset, privileged_context());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2564
  result->bool_field_put(_isPrivileged_offset, isPrivileged);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2565
  return result;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2566
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2567
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2568
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2569
// Support for java_lang_ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2570
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2571
oop java_lang_ClassLoader::parent(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2572
  assert(loader->is_oop(), "loader must be oop");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2573
  return loader->obj_field(parent_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2574
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2575
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2576
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2577
bool java_lang_ClassLoader::is_trusted_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2578
  // Fix for 4474172; see evaluation for more details
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2579
  loader = non_reflection_class_loader(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2580
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2581
  oop cl = SystemDictionary::java_system_loader();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2582
  while(cl != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2583
    if (cl == loader) return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2584
    cl = parent(cl);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2585
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2586
  return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2587
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2588
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2589
oop java_lang_ClassLoader::non_reflection_class_loader(oop loader) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2590
  if (loader != NULL) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2591
    // See whether this is one of the class loaders associated with
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2592
    // the generated bytecodes for reflection, and if so, "magically"
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2593
    // delegate to its parent to prevent class loading from occurring
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2594
    // in places where applications using reflection didn't expect it.
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2595
    klassOop delegating_cl_class = SystemDictionary::reflect_DelegatingClassLoader_klass();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2596
    // This might be null in non-1.4 JDKs
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2597
    if (delegating_cl_class != NULL && loader->is_a(delegating_cl_class)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2598
      return parent(loader);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2599
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2600
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2601
  return loader;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2602
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2603
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2604
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2605
// Support for java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2606
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2607
void java_lang_System::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2608
  assert(offset_of_static_fields == 0, "offsets should be initialized only once");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2609
4571
80b553bddc26 6914300: ciEnv should export all well known classes
never
parents: 4562
diff changeset
  2610
  instanceKlass* ik = instanceKlass::cast(SystemDictionary::System_klass());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2611
  offset_of_static_fields = ik->offset_of_static_fields();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2612
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2613
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2614
int java_lang_System::in_offset_in_bytes() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2615
  return (offset_of_static_fields + static_in_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2616
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2617
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2618
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2619
int java_lang_System::out_offset_in_bytes() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2620
  return (offset_of_static_fields + static_out_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2621
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2622
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2623
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2624
int java_lang_System::err_offset_in_bytes() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2625
  return (offset_of_static_fields + static_err_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2626
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2627
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2628
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2629
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2630
int java_lang_String::value_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2631
int java_lang_String::offset_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2632
int java_lang_String::count_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2633
int java_lang_String::hash_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2634
int java_lang_Class::klass_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2635
int java_lang_Class::array_klass_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2636
int java_lang_Class::resolved_constructor_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2637
int java_lang_Class::number_of_fake_oop_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2638
int java_lang_Throwable::backtrace_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2639
int java_lang_Throwable::detailMessage_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2640
int java_lang_Throwable::cause_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2641
int java_lang_Throwable::stackTrace_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2642
int java_lang_reflect_AccessibleObject::override_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2643
int java_lang_reflect_Method::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2644
int java_lang_reflect_Method::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2645
int java_lang_reflect_Method::returnType_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2646
int java_lang_reflect_Method::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2647
int java_lang_reflect_Method::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2648
int java_lang_reflect_Method::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2649
int java_lang_reflect_Method::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2650
int java_lang_reflect_Method::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2651
int java_lang_reflect_Method::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2652
int java_lang_reflect_Method::parameter_annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2653
int java_lang_reflect_Method::annotation_default_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2654
int java_lang_reflect_Constructor::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2655
int java_lang_reflect_Constructor::parameterTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2656
int java_lang_reflect_Constructor::exceptionTypes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2657
int java_lang_reflect_Constructor::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2658
int java_lang_reflect_Constructor::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2659
int java_lang_reflect_Constructor::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2660
int java_lang_reflect_Constructor::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2661
int java_lang_reflect_Constructor::parameter_annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2662
int java_lang_reflect_Field::clazz_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2663
int java_lang_reflect_Field::name_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2664
int java_lang_reflect_Field::type_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2665
int java_lang_reflect_Field::slot_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2666
int java_lang_reflect_Field::modifiers_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2667
int java_lang_reflect_Field::signature_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2668
int java_lang_reflect_Field::annotations_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2669
int java_lang_boxing_object::value_offset;
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2670
int java_lang_boxing_object::long_value_offset;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2671
int java_lang_ref_Reference::referent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2672
int java_lang_ref_Reference::queue_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2673
int java_lang_ref_Reference::next_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2674
int java_lang_ref_Reference::discovered_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2675
int java_lang_ref_Reference::static_lock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2676
int java_lang_ref_Reference::static_pending_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2677
int java_lang_ref_Reference::number_of_fake_oop_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2678
int java_lang_ref_SoftReference::timestamp_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2679
int java_lang_ref_SoftReference::static_clock_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2680
int java_lang_ClassLoader::parent_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2681
int java_lang_System::offset_of_static_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2682
int java_lang_System::static_in_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2683
int java_lang_System::static_out_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2684
int java_lang_System::static_err_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2685
int java_lang_StackTraceElement::declaringClass_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2686
int java_lang_StackTraceElement::methodName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2687
int java_lang_StackTraceElement::fileName_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2688
int java_lang_StackTraceElement::lineNumber_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2689
int java_lang_AssertionStatusDirectives::classes_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2690
int java_lang_AssertionStatusDirectives::classEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2691
int java_lang_AssertionStatusDirectives::packages_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2692
int java_lang_AssertionStatusDirectives::packageEnabled_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2693
int java_lang_AssertionStatusDirectives::deflt_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2694
int java_nio_Buffer::_limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2695
int sun_misc_AtomicLongCSImpl::_value_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2696
int java_util_concurrent_locks_AbstractOwnableSynchronizer::_owner_offset = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2697
int sun_reflect_ConstantPool::_cp_oop_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2698
int sun_reflect_UnsafeStaticFieldAccessorImpl::_base_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2699
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2700
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2701
// Support for java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2702
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2703
void java_lang_StackTraceElement::set_fileName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2704
  element->obj_field_put(fileName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2705
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2706
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2707
void java_lang_StackTraceElement::set_declaringClass(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2708
  element->obj_field_put(declaringClass_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2709
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2710
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2711
void java_lang_StackTraceElement::set_methodName(oop element, oop value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2712
  element->obj_field_put(methodName_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2713
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2714
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2715
void java_lang_StackTraceElement::set_lineNumber(oop element, int value) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2716
  element->int_field_put(lineNumber_offset, value);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2717
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2718
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2719
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2720
// Support for java Assertions - java_lang_AssertionStatusDirectives.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2721
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2722
void java_lang_AssertionStatusDirectives::set_classes(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2723
  o->obj_field_put(classes_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2724
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2725
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2726
void java_lang_AssertionStatusDirectives::set_classEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2727
  o->obj_field_put(classEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2728
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2729
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2730
void java_lang_AssertionStatusDirectives::set_packages(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2731
  o->obj_field_put(packages_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2732
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2733
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2734
void java_lang_AssertionStatusDirectives::set_packageEnabled(oop o, oop val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2735
  o->obj_field_put(packageEnabled_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2736
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2737
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2738
void java_lang_AssertionStatusDirectives::set_deflt(oop o, bool val) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2739
  o->bool_field_put(deflt_offset, val);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2740
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2741
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2742
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2743
// Support for intrinsification of java.nio.Buffer.checkIndex
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2744
int java_nio_Buffer::limit_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2745
  return _limit_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2746
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2747
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2748
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2749
void java_nio_Buffer::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2750
  klassOop k = SystemDictionary::java_nio_Buffer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2751
  assert(k != NULL, "must be loaded in 1.4+");
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2752
  compute_offset(_limit_offset, k, vmSymbols::limit_name(), vmSymbols::int_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2753
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2754
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2755
// Support for intrinsification of sun.misc.AtomicLongCSImpl.attemptUpdate
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2756
int sun_misc_AtomicLongCSImpl::value_offset() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2757
  assert(SystemDictionary::sun_misc_AtomicLongCSImpl_klass() != NULL, "can't call this");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2758
  return _value_offset;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2759
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2760
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2761
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2762
void sun_misc_AtomicLongCSImpl::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2763
  klassOop k = SystemDictionary::sun_misc_AtomicLongCSImpl_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2764
  // If this class is not present, its value field offset won't be referenced.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2765
  if (k != NULL) {
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2766
    compute_offset(_value_offset, k, vmSymbols::value_name(), vmSymbols::long_signature());
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2767
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2768
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2769
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2770
void java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(TRAPS) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2771
  if (_owner_offset != 0) return;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2772
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2773
  assert(JDK_Version::is_gte_jdk16x_version(), "Must be JDK 1.6 or later");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2774
  SystemDictionary::load_abstract_ownable_synchronizer_klass(CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2775
  klassOop k = SystemDictionary::abstract_ownable_synchronizer_klass();
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2776
  compute_offset(_owner_offset, k,
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2777
                 vmSymbols::exclusive_owner_thread_name(), vmSymbols::thread_signature());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2778
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2779
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2780
oop java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(oop obj) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2781
  assert(_owner_offset != 0, "Must be initialized");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2782
  return obj->obj_field(_owner_offset);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2783
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2784
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2785
// Compute hard-coded offsets
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2786
// Invoked before SystemDictionary::initialize, so pre-loaded classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2787
// are not available to determine the offset_of_static_fields.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2788
void JavaClasses::compute_hard_coded_offsets() {
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 345
diff changeset
  2789
  const int x = heapOopSize;
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2790
  const int header = instanceOopDesc::base_offset_in_bytes();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2791
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2792
  // Do the String Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2793
  java_lang_String::value_offset  = java_lang_String::hc_value_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2794
  java_lang_String::offset_offset = java_lang_String::hc_offset_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2795
  java_lang_String::count_offset  = java_lang_String::offset_offset + sizeof (jint);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2796
  java_lang_String::hash_offset   = java_lang_String::count_offset + sizeof (jint);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2797
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2798
  // Do the Class Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2799
  java_lang_Class::klass_offset = java_lang_Class::hc_klass_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2800
  java_lang_Class::array_klass_offset = java_lang_Class::hc_array_klass_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2801
  java_lang_Class::resolved_constructor_offset = java_lang_Class::hc_resolved_constructor_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2802
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2803
  // This is NOT an offset
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2804
  java_lang_Class::number_of_fake_oop_fields = java_lang_Class::hc_number_of_fake_oop_fields;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2805
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2806
  // Throwable Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2807
  java_lang_Throwable::backtrace_offset  = java_lang_Throwable::hc_backtrace_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2808
  java_lang_Throwable::detailMessage_offset = java_lang_Throwable::hc_detailMessage_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2809
  java_lang_Throwable::cause_offset      = java_lang_Throwable::hc_cause_offset      * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2810
  java_lang_Throwable::stackTrace_offset = java_lang_Throwable::hc_stackTrace_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2811
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2812
  // java_lang_boxing_object
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2813
  java_lang_boxing_object::value_offset = java_lang_boxing_object::hc_value_offset + header;
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2814
  java_lang_boxing_object::long_value_offset = align_size_up((java_lang_boxing_object::hc_value_offset + header), BytesPerLong);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2815
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2816
  // java_lang_ref_Reference:
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2817
  java_lang_ref_Reference::referent_offset = java_lang_ref_Reference::hc_referent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2818
  java_lang_ref_Reference::queue_offset = java_lang_ref_Reference::hc_queue_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2819
  java_lang_ref_Reference::next_offset  = java_lang_ref_Reference::hc_next_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2820
  java_lang_ref_Reference::discovered_offset  = java_lang_ref_Reference::hc_discovered_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2821
  java_lang_ref_Reference::static_lock_offset = java_lang_ref_Reference::hc_static_lock_offset *  x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2822
  java_lang_ref_Reference::static_pending_offset = java_lang_ref_Reference::hc_static_pending_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2823
  // Artificial fields for java_lang_ref_Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2824
  // The first field is for the discovered field added in 1.4
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2825
  java_lang_ref_Reference::number_of_fake_oop_fields = 1;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2826
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2827
  // java_lang_ref_SoftReference Class
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2828
  java_lang_ref_SoftReference::timestamp_offset = align_size_up((java_lang_ref_SoftReference::hc_timestamp_offset * x + header), BytesPerLong);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2829
  // Don't multiply static fields because they are always in wordSize units
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2830
  java_lang_ref_SoftReference::static_clock_offset = java_lang_ref_SoftReference::hc_static_clock_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2831
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2832
  // java_lang_ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2833
  java_lang_ClassLoader::parent_offset = java_lang_ClassLoader::hc_parent_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2834
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2835
  // java_lang_System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2836
  java_lang_System::static_in_offset  = java_lang_System::hc_static_in_offset  * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2837
  java_lang_System::static_out_offset = java_lang_System::hc_static_out_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2838
  java_lang_System::static_err_offset = java_lang_System::hc_static_err_offset * x;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2839
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2840
  // java_lang_StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2841
  java_lang_StackTraceElement::declaringClass_offset = java_lang_StackTraceElement::hc_declaringClass_offset  * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2842
  java_lang_StackTraceElement::methodName_offset = java_lang_StackTraceElement::hc_methodName_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2843
  java_lang_StackTraceElement::fileName_offset   = java_lang_StackTraceElement::hc_fileName_offset   * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2844
  java_lang_StackTraceElement::lineNumber_offset = java_lang_StackTraceElement::hc_lineNumber_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2845
  java_lang_AssertionStatusDirectives::classes_offset = java_lang_AssertionStatusDirectives::hc_classes_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2846
  java_lang_AssertionStatusDirectives::classEnabled_offset = java_lang_AssertionStatusDirectives::hc_classEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2847
  java_lang_AssertionStatusDirectives::packages_offset = java_lang_AssertionStatusDirectives::hc_packages_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2848
  java_lang_AssertionStatusDirectives::packageEnabled_offset = java_lang_AssertionStatusDirectives::hc_packageEnabled_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2849
  java_lang_AssertionStatusDirectives::deflt_offset = java_lang_AssertionStatusDirectives::hc_deflt_offset * x + header;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2850
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2851
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2852
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2853
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2854
// Compute non-hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2855
void JavaClasses::compute_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2856
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2857
  java_lang_Class::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2858
  java_lang_System::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2859
  java_lang_Thread::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2860
  java_lang_ThreadGroup::compute_offsets();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2861
  if (EnableMethodHandles) {
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2862
    java_dyn_MethodHandle::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2863
    sun_dyn_MemberName::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2864
    sun_dyn_DirectMethodHandle::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2865
    sun_dyn_BoundMethodHandle::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2866
    sun_dyn_AdapterMethodHandle::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2867
    java_dyn_MethodType::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2868
    java_dyn_MethodTypeForm::compute_offsets();
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2869
  }
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2870
  if (EnableInvokeDynamic) {
4429
d7eb4e2099aa 6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents: 3796
diff changeset
  2871
    java_dyn_CallSite::compute_offsets();
2570
ecc7862946d4 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 2534
diff changeset
  2872
  }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2873
  java_security_AccessControlContext::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2874
  // Initialize reflection classes. The layouts of these classes
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2875
  // changed with the new reflection implementation in JDK 1.4, and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2876
  // since the Universe doesn't know what JDK version it is until this
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2877
  // point we defer computation of these offsets until now.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2878
  java_lang_reflect_AccessibleObject::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2879
  java_lang_reflect_Method::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2880
  java_lang_reflect_Constructor::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2881
  java_lang_reflect_Field::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2882
  if (JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2883
    java_nio_Buffer::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2884
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2885
  if (JDK_Version::is_gte_jdk15x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2886
    sun_reflect_ConstantPool::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2887
    sun_reflect_UnsafeStaticFieldAccessorImpl::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2888
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2889
  sun_misc_AtomicLongCSImpl::compute_offsets();
2534
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2890
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2891
  // generated interpreter code wants to know about the offsets we just computed:
08dac9ce0cd7 6655638: dynamic languages need method handles
jrose
parents: 2332
diff changeset
  2892
  AbstractAssembler::update_delayed_values();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2893
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2894
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2895
#ifndef PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2896
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2897
// These functions exist to assert the validity of hard-coded field offsets to guard
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2898
// against changes in the class files
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2899
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2900
bool JavaClasses::check_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2901
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2902
  fieldDescriptor fd;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2903
  symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2904
  klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2905
  instanceKlassHandle h_klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2906
  //instanceKlassHandle h_klass(klass);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2907
  symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2908
  symbolHandle f_sig  = oopFactory::new_symbol_handle(field_sig, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2909
  if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2910
    tty->print_cr("Nonstatic field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2911
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2912
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2913
  if (fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2914
    tty->print_cr("Nonstatic field %s.%s appears to be static", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2915
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2916
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2917
  if (fd.offset() == hardcoded_offset ) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2918
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2919
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2920
    tty->print_cr("Offset of nonstatic field %s.%s is hardcoded as %d but should really be %d.",
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2921
                  klass_name, field_name, hardcoded_offset, fd.offset());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2922
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2923
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2924
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2925
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2926
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2927
bool JavaClasses::check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2928
  EXCEPTION_MARK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2929
  fieldDescriptor fd;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2930
  symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2931
  klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2932
  instanceKlassHandle h_klass (THREAD, k);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2933
  symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2934
  symbolHandle f_sig  = oopFactory::new_symbol_handle(field_sig, CATCH);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2935
  if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2936
    tty->print_cr("Static field %s.%s not found", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2937
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2938
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2939
  if (!fd.is_static()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2940
    tty->print_cr("Static field %s.%s appears to be nonstatic", klass_name, field_name);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2941
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2942
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2943
  if (fd.offset() == hardcoded_offset + h_klass->offset_of_static_fields()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2944
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2945
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2946
    tty->print_cr("Offset of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_offset, fd.offset() - h_klass->offset_of_static_fields());
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2947
    return false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2948
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2949
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2950
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2951
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2952
bool JavaClasses::check_constant(const char *klass_name, int hardcoded_constant, const char *field_name, const char* field_sig) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2953
  EXCEPTION_MARK;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2954
  fieldDescriptor fd;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2955
  symbolHandle klass_sym = oopFactory::new_symbol_handle(klass_name, CATCH);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2956
  klassOop k = SystemDictionary::resolve_or_fail(klass_sym, true, CATCH);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2957
  instanceKlassHandle h_klass (THREAD, k);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2958
  symbolHandle f_name = oopFactory::new_symbol_handle(field_name, CATCH);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2959
  symbolHandle f_sig  = oopFactory::new_symbol_handle(field_sig, CATCH);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2960
  if (!h_klass->find_local_field(f_name(), f_sig(), &fd)) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2961
    tty->print_cr("Static field %s.%s not found", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2962
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2963
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2964
  if (!fd.is_static() || !fd.has_initial_value()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2965
    tty->print_cr("Static field %s.%s appears to be non-constant", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2966
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2967
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2968
  if (!fd.initial_value_tag().is_int()) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2969
    tty->print_cr("Static field %s.%s is not an int", klass_name, field_name);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2970
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2971
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2972
  jint field_value = fd.int_initial_value();
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2973
  if (field_value == hardcoded_constant) {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2974
    return true;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2975
  } else {
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2976
    tty->print_cr("Constant value of static field %s.%s is hardcoded as %d but should really be %d.", klass_name, field_name, hardcoded_constant, field_value);
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2977
    return false;
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2978
  }
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2979
}
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2980
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2981
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2982
// Check the hard-coded field offsets of all the classes in this file
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2983
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2984
void JavaClasses::check_offsets() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2985
  bool valid = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2986
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2987
#define CHECK_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2988
  valid &= check_offset(klass_name, cpp_klass_name :: field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2989
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2990
#define CHECK_LONG_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2991
  valid &= check_offset(klass_name, cpp_klass_name :: long_ ## field_name ## _offset, #field_name, field_sig)
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  2992
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2993
#define CHECK_STATIC_OFFSET(klass_name, cpp_klass_name, field_name, field_sig) \
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2994
  valid &= check_static_offset(klass_name, cpp_klass_name :: static_ ## field_name ## _offset, #field_name, field_sig)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2995
379
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2996
#define CHECK_CONSTANT(klass_name, cpp_klass_name, field_name, field_sig) \
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2997
  valid &= check_constant(klass_name, cpp_klass_name :: field_name, #field_name, field_sig)
10767ca40189 6652736: well known classes in system dictionary are inefficiently processed
jrose
parents: 360
diff changeset
  2998
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  2999
  // java.lang.String
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3000
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3001
  CHECK_OFFSET("java/lang/String", java_lang_String, value, "[C");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3002
  CHECK_OFFSET("java/lang/String", java_lang_String, offset, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3003
  CHECK_OFFSET("java/lang/String", java_lang_String, count, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3004
  CHECK_OFFSET("java/lang/String", java_lang_String, hash, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3005
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3006
  // java.lang.Class
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3007
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3008
  // Fake fields
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3009
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, klass); // %%% this needs to be checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3010
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, array_klass); // %%% this needs to be checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3011
  // CHECK_OFFSET("java/lang/Class", java_lang_Class, resolved_constructor); // %%% this needs to be checked
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3012
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3013
  // java.lang.Throwable
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3014
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3015
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, backtrace, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3016
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, detailMessage, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3017
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, cause, "Ljava/lang/Throwable;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3018
  CHECK_OFFSET("java/lang/Throwable", java_lang_Throwable, stackTrace, "[Ljava/lang/StackTraceElement;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3019
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3020
  // Boxed primitive objects (java_lang_boxing_object)
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3021
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3022
  CHECK_OFFSET("java/lang/Boolean",   java_lang_boxing_object, value, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3023
  CHECK_OFFSET("java/lang/Character", java_lang_boxing_object, value, "C");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3024
  CHECK_OFFSET("java/lang/Float",     java_lang_boxing_object, value, "F");
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3025
  CHECK_LONG_OFFSET("java/lang/Double", java_lang_boxing_object, value, "D");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3026
  CHECK_OFFSET("java/lang/Byte",      java_lang_boxing_object, value, "B");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3027
  CHECK_OFFSET("java/lang/Short",     java_lang_boxing_object, value, "S");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3028
  CHECK_OFFSET("java/lang/Integer",   java_lang_boxing_object, value, "I");
591
04d2e26e6d69 6703888: Compressed Oops: use the 32-bits gap after klass in a object
kvn
parents: 379
diff changeset
  3029
  CHECK_LONG_OFFSET("java/lang/Long", java_lang_boxing_object, value, "J");
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3030
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3031
  // java.lang.ClassLoader
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3032
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3033
  CHECK_OFFSET("java/lang/ClassLoader", java_lang_ClassLoader, parent,      "Ljava/lang/ClassLoader;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3034
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3035
  // java.lang.System
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3036
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3037
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System,  in, "Ljava/io/InputStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3038
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, out, "Ljava/io/PrintStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3039
  CHECK_STATIC_OFFSET("java/lang/System", java_lang_System, err, "Ljava/io/PrintStream;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3040
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3041
  // java.lang.StackTraceElement
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3042
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3043
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, declaringClass, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3044
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, methodName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3045
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement,   fileName, "Ljava/lang/String;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3046
  CHECK_OFFSET("java/lang/StackTraceElement", java_lang_StackTraceElement, lineNumber, "I");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3047
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3048
  // java.lang.ref.Reference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3049
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3050
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, referent, "Ljava/lang/Object;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3051
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, queue, "Ljava/lang/ref/ReferenceQueue;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3052
  CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, next, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3053
  // Fake field
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3054
  //CHECK_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, discovered, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3055
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, lock, "Ljava/lang/ref/Reference$Lock;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3056
  CHECK_STATIC_OFFSET("java/lang/ref/Reference", java_lang_ref_Reference, pending, "Ljava/lang/ref/Reference;");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3057
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3058
  // java.lang.ref.SoftReference
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3059
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3060
  CHECK_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, timestamp, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3061
  CHECK_STATIC_OFFSET("java/lang/ref/SoftReference", java_lang_ref_SoftReference, clock, "J");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3062
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3063
  // java.lang.AssertionStatusDirectives
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3064
  //
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3065
  // The CheckAssertionStatusDirectives boolean can be removed from here and
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3066
  // globals.hpp after the AssertionStatusDirectives class has been integrated
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3067
  // into merlin "for some time."  Without it, the vm will fail with early
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3068
  // merlin builds.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3069
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3070
  if (CheckAssertionStatusDirectives && JDK_Version::is_gte_jdk14x_version()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3071
    const char* nm = "java/lang/AssertionStatusDirectives";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3072
    const char* sig = "[Ljava/lang/String;";
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3073
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classes, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3074
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, classEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3075
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packages, sig);
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3076
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, packageEnabled, "[Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3077
    CHECK_OFFSET(nm, java_lang_AssertionStatusDirectives, deflt, "Z");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3078
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3079
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3080
  if (!valid) vm_exit_during_initialization("Hard-coded field offset verification failed");
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3081
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3082
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3083
#endif // PRODUCT
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3084
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3085
void javaClasses_init() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3086
  JavaClasses::compute_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3087
  JavaClasses::check_offsets();
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3088
  FilteredFieldsMap::initialize();  // must be done after computing offsets.
489c9b5090e2 Initial load
duke
parents:
diff changeset
  3089
}