Mercurial > hg > graal-jvmci-8
view src/share/vm/runtime/fieldDescriptor.cpp @ 3418:c76d5f44a3fe
7049410: JSR 292 old method name MethodHandle.invokeGeneric should not be accepted by the JVM
Summary: change the default setting of the flag AllowInvokeGeneric to false
Reviewed-by: never
author | jrose |
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date | Wed, 01 Jun 2011 23:25:31 -0700 |
parents | f95d63e2154a |
children | e6b1331a51d2 |
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/* * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "classfile/systemDictionary.hpp" #include "classfile/vmSymbols.hpp" #include "memory/resourceArea.hpp" #include "memory/universe.inline.hpp" #include "oops/instanceKlass.hpp" #include "runtime/fieldDescriptor.hpp" #include "runtime/handles.inline.hpp" #include "runtime/signature.hpp" oop fieldDescriptor::loader() const { return instanceKlass::cast(_cp->pool_holder())->class_loader(); } typeArrayOop fieldDescriptor::annotations() const { instanceKlass* ik = instanceKlass::cast(field_holder()); objArrayOop md = ik->fields_annotations(); if (md == NULL) return NULL; assert((index() % instanceKlass::next_offset) == 0, ""); return typeArrayOop(md->obj_at(index() / instanceKlass::next_offset)); } constantTag fieldDescriptor::initial_value_tag() const { return constants()->tag_at(_initial_value_index); } jint fieldDescriptor::int_initial_value() const { return constants()->int_at(_initial_value_index); } jlong fieldDescriptor::long_initial_value() const { return constants()->long_at(_initial_value_index); } jfloat fieldDescriptor::float_initial_value() const { return constants()->float_at(_initial_value_index); } jdouble fieldDescriptor::double_initial_value() const { return constants()->double_at(_initial_value_index); } oop fieldDescriptor::string_initial_value(TRAPS) const { return constants()->string_at(_initial_value_index, CHECK_0); } void fieldDescriptor::initialize(klassOop k, int index) { instanceKlass* ik = instanceKlass::cast(k); _cp = ik->constants(); typeArrayOop fields = ik->fields(); assert(fields->length() % instanceKlass::next_offset == 0, "Illegal size of field array"); assert(fields->length() >= index + instanceKlass::next_offset, "Illegal size of field array"); _access_flags.set_field_flags(fields->ushort_at(index + instanceKlass::access_flags_offset)); _name_index = fields->ushort_at(index + instanceKlass::name_index_offset); _signature_index = fields->ushort_at(index + instanceKlass::signature_index_offset); _initial_value_index = fields->ushort_at(index + instanceKlass::initval_index_offset); guarantee(_name_index != 0 && _signature_index != 0, "bad constant pool index for fieldDescriptor"); _offset = ik->offset_from_fields( index ); _generic_signature_index = fields->ushort_at(index + instanceKlass::generic_signature_offset); _index = index; } #ifndef PRODUCT void fieldDescriptor::print_on(outputStream* st) const { _access_flags.print_on(st); constants()->symbol_at(_name_index)->print_value_on(st); st->print(" "); constants()->symbol_at(_signature_index)->print_value_on(st); st->print(" @%d ", offset()); if (WizardMode && has_initial_value()) { st->print("(initval "); constantTag t = initial_value_tag(); if (t.is_int()) { st->print("int %d)", int_initial_value()); } else if (t.is_long()){ st->print_jlong(long_initial_value()); } else if (t.is_float()){ st->print("float %f)", float_initial_value()); } else if (t.is_double()){ st->print("double %lf)", double_initial_value()); } } } void fieldDescriptor::print_on_for(outputStream* st, oop obj) { print_on(st); BasicType ft = field_type(); jint as_int = 0; switch (ft) { case T_BYTE: as_int = (jint)obj->byte_field(offset()); st->print(" %d", obj->byte_field(offset())); break; case T_CHAR: as_int = (jint)obj->char_field(offset()); { jchar c = obj->char_field(offset()); as_int = c; st->print(" %c %d", isprint(c) ? c : ' ', c); } break; case T_DOUBLE: st->print(" %lf", obj->double_field(offset())); break; case T_FLOAT: as_int = obj->int_field(offset()); st->print(" %f", obj->float_field(offset())); break; case T_INT: as_int = obj->int_field(offset()); st->print(" %d", obj->int_field(offset())); break; case T_LONG: st->print(" "); st->print_jlong(obj->long_field(offset())); break; case T_SHORT: as_int = obj->short_field(offset()); st->print(" %d", obj->short_field(offset())); break; case T_BOOLEAN: as_int = obj->bool_field(offset()); st->print(" %s", obj->bool_field(offset()) ? "true" : "false"); break; case T_ARRAY: st->print(" "); NOT_LP64(as_int = obj->int_field(offset())); obj->obj_field(offset())->print_value_on(st); break; case T_OBJECT: st->print(" "); NOT_LP64(as_int = obj->int_field(offset())); obj->obj_field(offset())->print_value_on(st); break; default: ShouldNotReachHere(); break; } // Print a hint as to the underlying integer representation. This can be wrong for // pointers on an LP64 machine if (ft == T_LONG || ft == T_DOUBLE LP64_ONLY(|| !is_java_primitive(ft)) ) { st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); } else if (as_int < 0 || as_int > 9) { st->print(" (%x)", as_int); } } #endif /* PRODUCT */