Thu, 23 May 2013 14:11:09 +0200
8014430: JRE crashes instead of stop compilation on full Code Cache. Internal Error (c1_Compiler.cpp:87)
Summary: Disable client compiler and switch to interpreter if there is not enough free space in the code cache.
Reviewed-by: kvn, twisti
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::get_buffer_blob(ciEnv* env) {
81 // Allocate buffer blob once at startup since allocation for each
82 // compilation seems to be too expensive (at least on Intel win32).
83 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
84 if (buffer_blob != NULL) {
85 return buffer_blob;
86 }
88 // setup CodeBuffer. Preallocate a BufferBlob of size
89 // NMethodSizeLimit plus some extra space for constants.
90 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
91 Compilation::desired_max_constant_size();
93 buffer_blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
94 code_buffer_size);
95 if (buffer_blob == NULL) {
96 CompileBroker::handle_full_code_cache();
97 env->record_failure("CodeCache is full");
98 } else {
99 CompilerThread::current()->set_buffer_blob(buffer_blob);
100 }
102 return buffer_blob;
103 }
106 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
107 BufferBlob* buffer_blob = Compiler::get_buffer_blob(env);
108 if (buffer_blob == NULL) {
109 return;
110 }
112 if (!is_initialized()) {
113 initialize();
114 }
116 // invoke compilation
117 {
118 // We are nested here because we need for the destructor
119 // of Compilation to occur before we release the any
120 // competing compiler thread
121 ResourceMark rm;
122 Compilation c(this, env, method, entry_bci, buffer_blob);
123 }
124 }
127 void Compiler::print_timers() {
128 Compilation::print_timers();
129 }