Tue, 09 Oct 2012 10:09:34 -0700
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
1 /*
2 * Copyright (c) 1999, 2012, 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 "c1/c1_Compilation.hpp"
27 #include "c1/c1_Compiler.hpp"
28 #include "c1/c1_FrameMap.hpp"
29 #include "c1/c1_GraphBuilder.hpp"
30 #include "c1/c1_LinearScan.hpp"
31 #include "c1/c1_MacroAssembler.hpp"
32 #include "c1/c1_Runtime1.hpp"
33 #include "c1/c1_ValueType.hpp"
34 #include "compiler/compileBroker.hpp"
35 #include "compiler/compilerOracle.hpp"
36 #include "interpreter/linkResolver.hpp"
37 #include "memory/allocation.hpp"
38 #include "memory/allocation.inline.hpp"
39 #include "memory/resourceArea.hpp"
40 #include "prims/nativeLookup.hpp"
41 #include "runtime/arguments.hpp"
42 #include "runtime/interfaceSupport.hpp"
43 #include "runtime/sharedRuntime.hpp"
45 volatile int Compiler::_runtimes = uninitialized;
47 Compiler::Compiler() {
48 }
51 Compiler::~Compiler() {
52 Unimplemented();
53 }
56 void Compiler::initialize_all() {
57 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
58 Arena* arena = new (mtCompiler) Arena();
59 Runtime1::initialize(buffer_blob);
60 FrameMap::initialize();
61 // initialize data structures
62 ValueType::initialize(arena);
63 // Instruction::initialize();
64 // BlockBegin::initialize();
65 GraphBuilder::initialize();
66 // note: to use more than one instance of LinearScan at a time this function call has to
67 // be moved somewhere outside of this constructor:
68 Interval::initialize(arena);
69 }
72 void Compiler::initialize() {
73 if (_runtimes != initialized) {
74 initialize_runtimes( initialize_all, &_runtimes);
75 }
76 mark_initialized();
77 }
80 BufferBlob* Compiler::build_buffer_blob() {
81 // setup CodeBuffer. Preallocate a BufferBlob of size
82 // NMethodSizeLimit plus some extra space for constants.
83 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
84 Compilation::desired_max_constant_size();
85 BufferBlob* blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
86 code_buffer_size);
87 guarantee(blob != NULL, "must create initial code buffer");
88 return blob;
89 }
92 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
93 // Allocate buffer blob once at startup since allocation for each
94 // compilation seems to be too expensive (at least on Intel win32).
95 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
96 if (buffer_blob == NULL) {
97 buffer_blob = build_buffer_blob();
98 CompilerThread::current()->set_buffer_blob(buffer_blob);
99 }
101 if (!is_initialized()) {
102 initialize();
103 }
104 // invoke compilation
105 {
106 // We are nested here because we need for the destructor
107 // of Compilation to occur before we release the any
108 // competing compiler thread
109 ResourceMark rm;
110 Compilation c(this, env, method, entry_bci, buffer_blob);
111 }
112 }
115 void Compiler::print_timers() {
116 Compilation::print_timers();
117 }