Tue, 05 Apr 2011 14:12:31 -0700
7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Summary: Update the copyright to be 2010 on all changed files in OpenJDK
Reviewed-by: ohair
1 /*
2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "ci/ciSignature.hpp"
27 #include "ci/ciUtilities.hpp"
28 #include "memory/allocation.inline.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "runtime/signature.hpp"
32 // ciSignature
33 //
34 // This class represents the signature of a method.
36 // ------------------------------------------------------------------
37 // ciSignature::ciSignature
38 ciSignature::ciSignature(ciKlass* accessing_klass, ciSymbol* symbol) {
39 ASSERT_IN_VM;
40 EXCEPTION_CONTEXT;
41 _accessing_klass = accessing_klass;
42 _symbol = symbol;
44 ciEnv* env = CURRENT_ENV;
45 Arena* arena = env->arena();
46 _types = new (arena) GrowableArray<ciType*>(arena, 8, 0, NULL);
48 int size = 0;
49 int count = 0;
50 ResourceMark rm(THREAD);
51 Symbol* sh = symbol->get_symbol();
52 SignatureStream ss(sh);
53 for (; ; ss.next()) {
54 // Process one element of the signature
55 ciType* type;
56 if (!ss.is_object()) {
57 type = ciType::make(ss.type());
58 } else {
59 Symbol* name = ss.as_symbol(THREAD);
60 if (HAS_PENDING_EXCEPTION) {
61 type = ss.is_array() ? (ciType*)ciEnv::unloaded_ciobjarrayklass()
62 : (ciType*)ciEnv::unloaded_ciinstance_klass();
63 env->record_out_of_memory_failure();
64 CLEAR_PENDING_EXCEPTION;
65 } else {
66 ciSymbol* klass_name = env->get_symbol(name);
67 type = env->get_klass_by_name_impl(_accessing_klass, klass_name, false);
68 }
69 }
70 _types->append(type);
71 if (ss.at_return_type()) {
72 // Done processing the return type; do not add it into the count.
73 break;
74 }
75 size += type->size();
76 count++;
77 }
78 _size = size;
79 _count = count;
80 }
82 // ------------------------------------------------------------------
83 // ciSignature::return_ciType
84 //
85 // What is the return type of this signature?
86 ciType* ciSignature::return_type() const {
87 return _types->at(_count);
88 }
90 // ------------------------------------------------------------------
91 // ciSignature::ciType_at
92 //
93 // What is the type of the index'th element of this
94 // signature?
95 ciType* ciSignature::type_at(int index) const {
96 assert(index < _count, "out of bounds");
97 // The first _klasses element holds the return klass.
98 return _types->at(index);
99 }
101 // ------------------------------------------------------------------
102 // ciSignature::print_signature
103 void ciSignature::print_signature() {
104 _symbol->print_symbol();
105 }
107 // ------------------------------------------------------------------
108 // ciSignature::print
109 void ciSignature::print() {
110 tty->print("<ciSignature symbol=");
111 print_signature();
112 tty->print(" accessing_klass=");
113 _accessing_klass->print();
114 tty->print(" address=0x%x>", (address)this);
115 }