69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (c) 1997, 2019, 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 "code/debugInfoRec.hpp"
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#include "code/nmethod.hpp"
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#include "code/pcDesc.hpp"
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#include "code/scopeDesc.hpp"
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#include "memory/resourceArea.hpp"
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PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
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_pc_offset = pc_offset;
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_scope_decode_offset = scope_decode_offset;
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_obj_decode_offset = obj_decode_offset;
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_flags = 0;
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}
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address PcDesc::real_pc(const CompiledMethod* code) const {
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return code->code_begin() + pc_offset();
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}
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void PcDesc::print_on(outputStream* st, CompiledMethod* code) {
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#ifndef PRODUCT
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ResourceMark rm;
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st->print("PcDesc(pc=" PTR_FORMAT " offset=%x bits=%x):", p2i(real_pc(code)), pc_offset(), _flags);
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if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
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st->cr();
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return;
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}
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int tab = 8;
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int pos = st->position() + 2; // current column plus two spaces
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pos = ((pos+tab-1)/tab)*tab;
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for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
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sd != NULL;
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sd = sd->sender()) {
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sd->print_on(st);
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}
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#endif
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}
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bool PcDesc::verify(CompiledMethod* code) {
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//Unimplemented();
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return true;
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}
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