Mercurial > hg > truffle
annotate src/share/vm/code/location.cpp @ 1602:136b78722a08
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
author | jrose |
---|---|
date | Wed, 09 Jun 2010 18:50:45 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
---|---|
0 | 1 /* |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
331
diff
changeset
|
2 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
331
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
331
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
331
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_location.cpp.incl" | |
27 | |
28 void Location::print_on(outputStream* st) const { | |
331 | 29 if(type() == invalid) { |
0 | 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; | |
331 | 45 case narrowoop: st->print(",narrowoop"); break; |
0 | 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 } | |
54 | |
55 | |
56 Location::Location(DebugInfoReadStream* stream) { | |
331 | 57 _value = (juint) stream->read_int(); |
0 | 58 } |
59 | |
60 | |
61 void Location::write_on(DebugInfoWriteStream* stream) { | |
331 | 62 stream->write_int(_value); |
0 | 63 } |
64 | |
65 | |
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; | |
331 | 69 return (juint)(offset_in_bytes / BytesPerInt) < (OFFSET_MASK >> OFFSET_SHIFT); |
0 | 70 } |