author | trims |
Thu, 27 May 2010 19:08:38 -0700 | |
changeset 5547 | f4b087cbb361 |
parent 1 | 489c9b5090e2 |
child 6187 | 4fa7845f7c14 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
2 |
* Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. |
1 | 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 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
25 |
typedef void (*initializer)(void); |
|
26 |
||
27 |
class AbstractCompiler : public CHeapObj { |
|
28 |
private: |
|
29 |
bool _is_initialized; // Mark whether compiler object is initialized |
|
30 |
||
31 |
protected: |
|
32 |
// Used for tracking global state of compiler runtime initialization |
|
33 |
enum { uninitialized, initializing, initialized }; |
|
34 |
||
35 |
// This method will call the initialization method "f" once (per compiler class/subclass) |
|
36 |
// and do so without holding any locks |
|
37 |
void initialize_runtimes(initializer f, volatile int* state); |
|
38 |
||
39 |
public: |
|
40 |
AbstractCompiler() : _is_initialized(false) {} |
|
41 |
||
42 |
// Name of this compiler |
|
43 |
virtual const char* name() = 0; |
|
44 |
||
45 |
// Missing feature tests |
|
46 |
virtual bool supports_native() { return true; } |
|
47 |
virtual bool supports_osr () { return true; } |
|
48 |
#if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2)) |
|
49 |
virtual bool is_c1 () { return false; } |
|
50 |
virtual bool is_c2 () { return false; } |
|
51 |
#else |
|
52 |
#ifdef COMPILER1 |
|
53 |
bool is_c1 () { return true; } |
|
54 |
bool is_c2 () { return false; } |
|
55 |
#endif // COMPILER1 |
|
56 |
#ifdef COMPILER2 |
|
57 |
bool is_c1 () { return false; } |
|
58 |
bool is_c2 () { return true; } |
|
59 |
#endif // COMPILER2 |
|
60 |
#endif // TIERED |
|
61 |
||
62 |
// Customization |
|
63 |
virtual bool needs_stubs () = 0; |
|
64 |
||
65 |
void mark_initialized() { _is_initialized = true; } |
|
66 |
bool is_initialized() { return _is_initialized; } |
|
67 |
||
68 |
virtual void initialize() = 0; |
|
69 |
||
70 |
// Compilation entry point for methods |
|
71 |
virtual void compile_method(ciEnv* env, |
|
72 |
ciMethod* target, |
|
73 |
int entry_bci) { |
|
74 |
ShouldNotReachHere(); |
|
75 |
} |
|
76 |
||
77 |
||
78 |
// Print compilation timers and statistics |
|
79 |
virtual void print_timers() { |
|
80 |
ShouldNotReachHere(); |
|
81 |
} |
|
82 |
}; |