Fri, 29 Jan 2010 08:33:24 -0800
6921339: backout 6917766
Reviewed-by: mr
1 /*
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 #include "incls/_precompiled.incl"
26 #include "incls/_location.cpp.incl"
28 void Location::print_on(outputStream* st) const {
29 if(type() == invalid) {
30 // product of Location::invalid_loc() or Location::Location().
31 switch (where()) {
32 case on_stack: st->print("empty"); break;
33 case in_register: st->print("invalid"); break;
34 }
35 return;
36 }
37 switch (where()) {
38 case on_stack: st->print("stack[%d]", stack_offset()); break;
39 case in_register: st->print("reg %s [%d]", reg()->name(), register_number()); break;
40 default: st->print("Wrong location where %d", where());
41 }
42 switch (type()) {
43 case normal: break;
44 case oop: st->print(",oop"); break;
45 case narrowoop: st->print(",narrowoop"); break;
46 case int_in_long: st->print(",int"); break;
47 case lng: st->print(",long"); break;
48 case float_in_dbl: st->print(",float"); break;
49 case dbl: st->print(",double"); break;
50 case addr: st->print(",address"); break;
51 default: st->print("Wrong location type %d", type());
52 }
53 }
56 Location::Location(DebugInfoReadStream* stream) {
57 _value = (juint) stream->read_int();
58 }
61 void Location::write_on(DebugInfoWriteStream* stream) {
62 stream->write_int(_value);
63 }
66 // Valid argument to Location::new_stk_loc()?
67 bool Location::legal_offset_in_bytes(int offset_in_bytes) {
68 if ((offset_in_bytes % BytesPerInt) != 0) return false;
69 return (juint)(offset_in_bytes / BytesPerInt) < (OFFSET_MASK >> OFFSET_SHIFT);
70 }