1 /*
2 * Copyright (c) 1998, 2007, 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 */
24
25 //------------------------------OptoRuntime------------------------------------
26 // Opto compiler runtime routines
27 //
28 // These are all generated from Ideal graphs. They are called with the
29 // Java calling convention. Internally they call C++. They are made once at
30 // startup time and Opto compiles calls to them later.
31 // Things are broken up into quads: the signature they will be called with,
32 // the address of the generated code, the corresponding C++ code and an
33 // nmethod.
34
35 // The signature (returned by "xxx_Type()") is used at startup time by the
36 // Generator to make the generated code "xxx_Java". Opto compiles calls
37 // to the generated code "xxx_Java". When the compiled code gets executed,
38 // it calls the C++ code "xxx_C". The generated nmethod is saved in the
39 // CodeCache. Exception handlers use the nmethod to get the callee-save
40 // register OopMaps.
41 class CallInfo;
42
43 //
44 // NamedCounters are tagged counters which can be used for profiling
281 // Dtrace support
282 static const TypeFunc* dtrace_method_entry_exit_Type();
283 static const TypeFunc* dtrace_object_alloc_Type();
284
285 # ifdef ENABLE_ZAP_DEAD_LOCALS
286 static const TypeFunc* zap_dead_locals_Type();
287 # endif
288
289 private:
290 static NamedCounter * volatile _named_counters;
291
292 public:
293 // helper function which creates a named counter labeled with the
294 // if they are available
295 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
296
297 // dumps all the named counters
298 static void print_named_counters();
299
300 };
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1 /*
2 * Copyright (c) 1998, 2010, 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 */
24
25 #ifndef SHARE_VM_OPTO_RUNTIME_HPP
26 #define SHARE_VM_OPTO_RUNTIME_HPP
27
28 #include "code/codeBlob.hpp"
29 #include "opto/machnode.hpp"
30 #include "opto/type.hpp"
31 #include "runtime/biasedLocking.hpp"
32 #include "runtime/deoptimization.hpp"
33 #include "runtime/vframe.hpp"
34
35 //------------------------------OptoRuntime------------------------------------
36 // Opto compiler runtime routines
37 //
38 // These are all generated from Ideal graphs. They are called with the
39 // Java calling convention. Internally they call C++. They are made once at
40 // startup time and Opto compiles calls to them later.
41 // Things are broken up into quads: the signature they will be called with,
42 // the address of the generated code, the corresponding C++ code and an
43 // nmethod.
44
45 // The signature (returned by "xxx_Type()") is used at startup time by the
46 // Generator to make the generated code "xxx_Java". Opto compiles calls
47 // to the generated code "xxx_Java". When the compiled code gets executed,
48 // it calls the C++ code "xxx_C". The generated nmethod is saved in the
49 // CodeCache. Exception handlers use the nmethod to get the callee-save
50 // register OopMaps.
51 class CallInfo;
52
53 //
54 // NamedCounters are tagged counters which can be used for profiling
291 // Dtrace support
292 static const TypeFunc* dtrace_method_entry_exit_Type();
293 static const TypeFunc* dtrace_object_alloc_Type();
294
295 # ifdef ENABLE_ZAP_DEAD_LOCALS
296 static const TypeFunc* zap_dead_locals_Type();
297 # endif
298
299 private:
300 static NamedCounter * volatile _named_counters;
301
302 public:
303 // helper function which creates a named counter labeled with the
304 // if they are available
305 static NamedCounter* new_named_counter(JVMState* jvms, NamedCounter::CounterTag tag);
306
307 // dumps all the named counters
308 static void print_named_counters();
309
310 };
311
312 #endif // SHARE_VM_OPTO_RUNTIME_HPP
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