author | stefank |
Tue, 23 Nov 2010 13:22:55 -0800 | |
changeset 7397 | 5b173b4ca846 |
parent 6418 | 6671edbd230e |
child 9978 | 80c391c46474 |
permissions | -rw-r--r-- |
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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 "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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assert(sizeof(PcDescFlags) <= 4, "occupies more than a word"); |
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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.word = 0; |
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} |
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address PcDesc::real_pc(const nmethod* code) const { |
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return code->code_begin() + pc_offset(); |
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} |
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void PcDesc::print(nmethod* code) { |
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#ifndef PRODUCT |
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ResourceMark rm; |
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tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset()); |
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if (scope_decode_offset() == DebugInformationRecorder::serialized_null) { |
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return; |
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} |
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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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tty->print(" "); |
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sd->method()->print_short_name(tty); |
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tty->print(" @%d", sd->bci()); |
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if (sd->should_reexecute()) |
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tty->print(" reexecute=true"); |
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tty->cr(); |
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} |
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#endif |
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} |
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bool PcDesc::verify(nmethod* code) { |
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//Unimplemented(); |
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return true; |
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} |