Mercurial > hg > graal-compiler
view src/share/vm/runtime/fieldDescriptor.cpp @ 9463:902a974d55c8
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 30 Apr 2013 23:24:25 +0200 |
parents | 927a311d00f9 |
children | 0f7ca53be929 b2e698d2276c |
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/* * Copyright (c) 1997, 2013, 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/annotations.hpp" #include "oops/instanceKlass.hpp" #include "oops/fieldStreams.hpp" #include "runtime/fieldDescriptor.hpp" #include "runtime/handles.inline.hpp" #include "runtime/signature.hpp" oop fieldDescriptor::loader() const { return _cp->pool_holder()->class_loader(); } Symbol* fieldDescriptor::generic_signature() const { if (!has_generic_signature()) { return NULL; } int idx = 0; InstanceKlass* ik = field_holder(); for (AllFieldStream fs(ik); !fs.done(); fs.next()) { if (idx == _index) { return fs.generic_signature(); } else { idx ++; } } assert(false, "should never happen"); return NULL; } AnnotationArray* fieldDescriptor::annotations() const { InstanceKlass* ik = field_holder(); Array<AnnotationArray*>* md = ik->fields_annotations(); if (md == NULL) return NULL; return md->at(index()); } AnnotationArray* fieldDescriptor::type_annotations() const { InstanceKlass* ik = field_holder(); Array<AnnotationArray*>* type_annos = ik->fields_type_annotations(); if (type_annos == NULL) return NULL; return type_annos->at(index()); } 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()->uncached_string_at(initial_value_index(), CHECK_0); } void fieldDescriptor::initialize(InstanceKlass* ik, int index) { _cp = ik->constants(); FieldInfo* f = ik->field(index); assert(!f->is_internal(), "regular Java fields only"); _access_flags = accessFlags_from(f->access_flags()); guarantee(f->name_index() != 0 && f->signature_index() != 0, "bad constant pool index for fieldDescriptor"); _index = index; } #ifndef PRODUCT void fieldDescriptor::print_on(outputStream* st) const { access_flags().print_on(st); name()->print_value_on(st); st->print(" "); signature()->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 */