Mercurial > hg > graal-compiler
view src/share/vm/runtime/fieldDescriptor.cpp @ 396:4d05b7cb7842
6306922: Dump dump created by +HeapDumpOnOutOfMemoryError should include stack traces for stack roots
Summary: Include stack traces of all threads in the heap dump
Reviewed-by: alanb
author | mchung |
---|---|
date | Tue, 14 Oct 2008 15:16:38 -0700 |
parents | a61af66fc99e |
children | c89f86385056 |
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/* * Copyright 1997-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" #include "incls/_fieldDescriptor.cpp.incl" 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; switch (ft) { case T_BYTE: as_int = (jint)obj->byte_field(offset()); st->print(" %d", obj->byte_field(offset())); break; case T_CHAR: { 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: 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(" "); as_int = obj->int_field(offset()); obj->obj_field(offset())->print_value_on(st); break; case T_OBJECT: st->print(" "); 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) { st->print(" (%x %x)", obj->int_field(offset()), obj->int_field(offset()+sizeof(jint))); } else { st->print(" (%x)", as_int); } } #endif /* PRODUCT */