| /* |
| * Copyright (c) 1997, 2010, 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 "code/debugInfo.hpp" |
| #include "code/location.hpp" |
| |
| void Location::print_on(outputStream* st) const { |
| if(type() == invalid) { |
| // product of Location::invalid_loc() or Location::Location(). |
| switch (where()) { |
| case on_stack: st->print("empty"); break; |
| case in_register: st->print("invalid"); break; |
| } |
| return; |
| } |
| switch (where()) { |
| case on_stack: st->print("stack[%d]", stack_offset()); break; |
| case in_register: st->print("reg %s [%d]", reg()->name(), register_number()); break; |
| default: st->print("Wrong location where %d", where()); |
| } |
| switch (type()) { |
| case normal: break; |
| case oop: st->print(",oop"); break; |
| case narrowoop: st->print(",narrowoop"); break; |
| case int_in_long: st->print(",int"); break; |
| case lng: st->print(",long"); break; |
| case float_in_dbl: st->print(",float"); break; |
| case dbl: st->print(",double"); break; |
| case addr: st->print(",address"); break; |
| default: st->print("Wrong location type %d", type()); |
| } |
| } |
| |
| |
| Location::Location(DebugInfoReadStream* stream) { |
| _value = (juint) stream->read_int(); |
| } |
| |
| |
| void Location::write_on(DebugInfoWriteStream* stream) { |
| stream->write_int(_value); |
| } |
| |
| |
| // Valid argument to Location::new_stk_loc()? |
| bool Location::legal_offset_in_bytes(int offset_in_bytes) { |
| if ((offset_in_bytes % BytesPerInt) != 0) return false; |
| return (juint)(offset_in_bytes / BytesPerInt) < (OFFSET_MASK >> OFFSET_SHIFT); |
| } |