pcDesc.cpp revision 1252
0N/A/*
2362N/A * Copyright 1997-2010 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation.
0N/A *
2362N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
2362N/A * have any questions.
2362N/A *
2362N/A */
0N/A
0N/A# include "incls/_precompiled.incl"
0N/A# include "incls/_pcDesc.cpp.incl"
0N/A
0N/APcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
0N/A assert(sizeof(PcDescFlags) <= 4, "occupies more than a word");
0N/A _pc_offset = pc_offset;
0N/A _scope_decode_offset = scope_decode_offset;
0N/A _obj_decode_offset = obj_decode_offset;
0N/A _flags.word = 0;
0N/A}
0N/A
0N/Aaddress PcDesc::real_pc(const nmethod* code) const {
0N/A return code->instructions_begin() + pc_offset();
0N/A}
0N/A
0N/Avoid PcDesc::print(nmethod* code) {
0N/A#ifndef PRODUCT
0N/A ResourceMark rm;
0N/A tty->print_cr("PcDesc(pc=0x%lx offset=%x):", real_pc(code), pc_offset());
0N/A
0N/A if (scope_decode_offset() == DebugInformationRecorder::serialized_null) {
0N/A return;
0N/A }
for (ScopeDesc* sd = code->scope_desc_at(real_pc(code));
sd != NULL;
sd = sd->sender()) {
tty->print(" ");
sd->method()->print_short_name(tty);
tty->print(" @%d", sd->bci());
if (sd->should_reexecute())
tty->print(" reexecute=true");
tty->cr();
}
#endif
}
bool PcDesc::verify(nmethod* code) {
//Unimplemented();
return true;
}