Mercurial > hg > truffle
annotate src/share/vm/ci/ciSymbol.hpp @ 1293:51db1e4b379d
6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64
Summary: A modified MethodHandlesTest revealed two bugs on x86_64.
Reviewed-by: never, jrose
author | twisti |
---|---|
date | Mon, 08 Mar 2010 04:46:30 -0800 |
parents | dd57230ba8fe |
children | 1ecc8f0aad00 cd5dbf694d45 |
rev | line source |
---|---|
0 | 1 /* |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
2 * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. |
0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // ciSymbol | |
26 // | |
27 // This class represents a symbolOop in the HotSpot virtual | |
28 // machine. | |
29 class ciSymbol : public ciObject { | |
30 CI_PACKAGE_ACCESS | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
31 // These friends all make direct use of get_symbolOop: |
0 | 32 friend class ciEnv; |
33 friend class ciInstanceKlass; | |
34 friend class ciSignature; | |
35 friend class ciMethod; | |
36 friend class ciObjArrayKlass; | |
37 | |
38 private: | |
39 ciSymbol(symbolOop s) : ciObject(s) {} | |
40 ciSymbol(symbolHandle s); // for use with vmSymbolHandles | |
41 | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
42 symbolOop get_symbolOop() const { return (symbolOop)get_oop(); } |
0 | 43 |
44 const char* type_string() { return "ciSymbol"; } | |
45 | |
46 void print_impl(outputStream* st); | |
47 | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
48 // This is public in symbolOop but private here, because the base can move: |
0 | 49 jbyte* base(); |
50 | |
51 // Make a ciSymbol from a C string (implementation). | |
52 static ciSymbol* make_impl(const char* s); | |
53 | |
54 public: | |
55 // The text of the symbol as a null-terminated utf8 string. | |
56 const char* as_utf8(); | |
57 int utf8_length(); | |
58 | |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
59 // Return the i-th utf8 byte, where i < utf8_length |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
60 int byte_at(int i); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
61 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
62 // Tests if the symbol starts with the given prefix. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
63 bool starts_with(const char* prefix, int len) const; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
64 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
65 // Determines where the symbol contains the given substring. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
66 int index_of_at(int i, const char* str, int len) const; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
0
diff
changeset
|
67 |
0 | 68 // What kind of ciObject is this? |
69 bool is_symbol() { return true; } | |
70 | |
71 void print_symbol_on(outputStream* st); | |
72 void print_symbol() { | |
73 print_symbol_on(tty); | |
74 } | |
75 | |
76 // Make a ciSymbol from a C string. | |
77 // Consider adding to vmSymbols.hpp instead of using this constructor. | |
78 // (Your code will be less subject to typographical bugs.) | |
79 static ciSymbol* make(const char* s); | |
80 | |
81 #define CI_SYMBOL_DECLARE(name, ignore_def) \ | |
82 static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); } | |
83 VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE) | |
84 #undef CI_SYMBOL_DECLARE | |
85 }; |