author | kvn |
Thu, 26 Feb 2015 10:56:54 -0800 | |
changeset 29193 | 3ede621e9262 |
parent 29185 | 41cf0610fedf |
parent 28650 | 772aaab2582f |
child 29574 | ab0121071f54 |
child 30183 | a6588c0a3259 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
2 |
* Copyright (c) 1997, 2015, 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:
5076
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5076
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:
5076
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
7397 | 25 |
#ifndef SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP |
26 |
#define SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP |
|
27 |
||
10739 | 28 |
#ifndef __STDC_FORMAT_MACROS |
10565 | 29 |
#define __STDC_FORMAT_MACROS |
10739 | 30 |
#endif |
10565 | 31 |
|
7397 | 32 |
#ifdef TARGET_COMPILER_gcc |
33 |
# include "utilities/globalDefinitions_gcc.hpp" |
|
34 |
#endif |
|
35 |
#ifdef TARGET_COMPILER_visCPP |
|
36 |
# include "utilities/globalDefinitions_visCPP.hpp" |
|
37 |
#endif |
|
38 |
#ifdef TARGET_COMPILER_sparcWorks |
|
39 |
# include "utilities/globalDefinitions_sparcWorks.hpp" |
|
40 |
#endif |
|
22827 | 41 |
#ifdef TARGET_COMPILER_xlc |
42 |
# include "utilities/globalDefinitions_xlc.hpp" |
|
43 |
#endif |
|
7397 | 44 |
|
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
45 |
#ifndef PRAGMA_DIAG_PUSH |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
46 |
#define PRAGMA_DIAG_PUSH |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
47 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
48 |
#ifndef PRAGMA_DIAG_POP |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
49 |
#define PRAGMA_DIAG_POP |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
50 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
51 |
#ifndef PRAGMA_FORMAT_NONLITERAL_IGNORED |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
52 |
#define PRAGMA_FORMAT_NONLITERAL_IGNORED |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
53 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
54 |
#ifndef PRAGMA_FORMAT_IGNORED |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
55 |
#define PRAGMA_FORMAT_IGNORED |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
56 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
57 |
#ifndef PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
58 |
#define PRAGMA_FORMAT_NONLITERAL_IGNORED_INTERNAL |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
59 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
60 |
#ifndef PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
61 |
#define PRAGMA_FORMAT_NONLITERAL_IGNORED_EXTERNAL |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
62 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
63 |
#ifndef PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
64 |
#define PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
65 |
#endif |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
66 |
#ifndef ATTRIBUTE_PRINTF |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
67 |
#define ATTRIBUTE_PRINTF(fmt, vargs) |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
68 |
#endif |
26693
f2910bf56d71
8056039: Hotspot does not compile with clang 3.4 on Linux
mgerdin
parents:
25918
diff
changeset
|
69 |
#ifndef ATTRIBUTE_SCANF |
f2910bf56d71
8056039: Hotspot does not compile with clang 3.4 on Linux
mgerdin
parents:
25918
diff
changeset
|
70 |
#define ATTRIBUTE_SCANF(fmt, vargs) |
f2910bf56d71
8056039: Hotspot does not compile with clang 3.4 on Linux
mgerdin
parents:
25918
diff
changeset
|
71 |
#endif |
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
72 |
|
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
73 |
|
7397 | 74 |
#include "utilities/macros.hpp" |
75 |
||
1 | 76 |
// This file holds all globally used constants & types, class (forward) |
77 |
// declarations and a few frequently used utility functions. |
|
78 |
||
79 |
//---------------------------------------------------------------------------------------------------- |
|
80 |
// Constants |
|
81 |
||
82 |
const int LogBytesPerShort = 1; |
|
83 |
const int LogBytesPerInt = 2; |
|
84 |
#ifdef _LP64 |
|
85 |
const int LogBytesPerWord = 3; |
|
86 |
#else |
|
87 |
const int LogBytesPerWord = 2; |
|
88 |
#endif |
|
89 |
const int LogBytesPerLong = 3; |
|
90 |
||
91 |
const int BytesPerShort = 1 << LogBytesPerShort; |
|
92 |
const int BytesPerInt = 1 << LogBytesPerInt; |
|
93 |
const int BytesPerWord = 1 << LogBytesPerWord; |
|
94 |
const int BytesPerLong = 1 << LogBytesPerLong; |
|
95 |
||
96 |
const int LogBitsPerByte = 3; |
|
97 |
const int LogBitsPerShort = LogBitsPerByte + LogBytesPerShort; |
|
98 |
const int LogBitsPerInt = LogBitsPerByte + LogBytesPerInt; |
|
99 |
const int LogBitsPerWord = LogBitsPerByte + LogBytesPerWord; |
|
100 |
const int LogBitsPerLong = LogBitsPerByte + LogBytesPerLong; |
|
101 |
||
102 |
const int BitsPerByte = 1 << LogBitsPerByte; |
|
103 |
const int BitsPerShort = 1 << LogBitsPerShort; |
|
104 |
const int BitsPerInt = 1 << LogBitsPerInt; |
|
105 |
const int BitsPerWord = 1 << LogBitsPerWord; |
|
106 |
const int BitsPerLong = 1 << LogBitsPerLong; |
|
107 |
||
108 |
const int WordAlignmentMask = (1 << LogBytesPerWord) - 1; |
|
109 |
const int LongAlignmentMask = (1 << LogBytesPerLong) - 1; |
|
110 |
||
111 |
const int WordsPerLong = 2; // Number of stack entries for longs |
|
112 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
113 |
const int oopSize = sizeof(char*); // Full-width oop |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
114 |
extern int heapOopSize; // Oop within a java object |
1 | 115 |
const int wordSize = sizeof(char*); |
116 |
const int longSize = sizeof(jlong); |
|
117 |
const int jintSize = sizeof(jint); |
|
118 |
const int size_tSize = sizeof(size_t); |
|
119 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
120 |
const int BytesPerOop = BytesPerWord; // Full-width oop |
1 | 121 |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
122 |
extern int LogBytesPerHeapOop; // Oop within a java object |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
123 |
extern int LogBitsPerHeapOop; |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
124 |
extern int BytesPerHeapOop; |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
125 |
extern int BitsPerHeapOop; |
1 | 126 |
|
127 |
const int BitsPerJavaInteger = 32; |
|
2023
10d955a8d972
6795362: 32bit server compiler leads to wrong results on solaris-x86
twisti
parents:
1393
diff
changeset
|
128 |
const int BitsPerJavaLong = 64; |
1 | 129 |
const int BitsPerSize_t = size_tSize * BitsPerByte; |
130 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
131 |
// Size of a char[] needed to represent a jint as a string in decimal. |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
132 |
const int jintAsStringSize = 12; |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
133 |
|
1 | 134 |
// In fact this should be |
135 |
// log2_intptr(sizeof(class JavaThread)) - log2_intptr(64); |
|
136 |
// see os::set_memory_serialize_page() |
|
137 |
#ifdef _LP64 |
|
138 |
const int SerializePageShiftCount = 4; |
|
139 |
#else |
|
140 |
const int SerializePageShiftCount = 3; |
|
141 |
#endif |
|
142 |
||
143 |
// An opaque struct of heap-word width, so that HeapWord* can be a generic |
|
144 |
// pointer into the heap. We require that object sizes be measured in |
|
145 |
// units of heap words, so that that |
|
146 |
// HeapWord* hw; |
|
147 |
// hw += oop(hw)->foo(); |
|
148 |
// works, where foo is a method (like size or scavenge) that returns the |
|
149 |
// object size. |
|
150 |
class HeapWord { |
|
151 |
friend class VMStructs; |
|
971
f0b20be4165d
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
392
diff
changeset
|
152 |
private: |
1 | 153 |
char* i; |
1393
614996a6c018
6743059: Error in spaceDecorator.cpp "optimized" build.
jmasa
parents:
977
diff
changeset
|
154 |
#ifndef PRODUCT |
971
f0b20be4165d
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
392
diff
changeset
|
155 |
public: |
f0b20be4165d
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
392
diff
changeset
|
156 |
char* value() { return i; } |
f0b20be4165d
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
392
diff
changeset
|
157 |
#endif |
1 | 158 |
}; |
159 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
160 |
// Analogous opaque struct for metadata allocated from |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
161 |
// metaspaces. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
162 |
class MetaWord { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
163 |
friend class VMStructs; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
164 |
private: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
165 |
char* i; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
166 |
}; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
167 |
|
1 | 168 |
// HeapWordSize must be 2^LogHeapWordSize. |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
169 |
const int HeapWordSize = sizeof(HeapWord); |
1 | 170 |
#ifdef _LP64 |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
171 |
const int LogHeapWordSize = 3; |
1 | 172 |
#else |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
173 |
const int LogHeapWordSize = 2; |
1 | 174 |
#endif |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
175 |
const int HeapWordsPerLong = BytesPerLong / HeapWordSize; |
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
176 |
const int LogHeapWordsPerLong = LogBytesPerLong - LogHeapWordSize; |
1 | 177 |
|
178 |
// The larger HeapWordSize for 64bit requires larger heaps |
|
179 |
// for the same application running in 64bit. See bug 4967770. |
|
180 |
// The minimum alignment to a heap word size is done. Other |
|
22551 | 181 |
// parts of the memory system may require additional alignment |
1 | 182 |
// and are responsible for those alignments. |
183 |
#ifdef _LP64 |
|
184 |
#define ScaleForWordSize(x) align_size_down_((x) * 13 / 10, HeapWordSize) |
|
185 |
#else |
|
186 |
#define ScaleForWordSize(x) (x) |
|
187 |
#endif |
|
188 |
||
189 |
// The minimum number of native machine words necessary to contain "byte_size" |
|
190 |
// bytes. |
|
191 |
inline size_t heap_word_size(size_t byte_size) { |
|
192 |
return (byte_size + (HeapWordSize-1)) >> LogHeapWordSize; |
|
193 |
} |
|
194 |
||
195 |
const size_t K = 1024; |
|
196 |
const size_t M = K*K; |
|
197 |
const size_t G = M*K; |
|
198 |
const size_t HWperKB = K / sizeof(HeapWord); |
|
199 |
||
200 |
const jint min_jint = (jint)1 << (sizeof(jint)*BitsPerByte-1); // 0x80000000 == smallest jint |
|
201 |
const jint max_jint = (juint)min_jint - 1; // 0x7FFFFFFF == largest jint |
|
202 |
||
203 |
// Constants for converting from a base unit to milli-base units. For |
|
204 |
// example from seconds to milliseconds and microseconds |
|
205 |
||
206 |
const int MILLIUNITS = 1000; // milli units per base unit |
|
207 |
const int MICROUNITS = 1000000; // micro units per base unit |
|
208 |
const int NANOUNITS = 1000000000; // nano units per base unit |
|
209 |
||
11251
e29da6b5622b
7117303: VM uses non-monotonic time source and complains that it is non-monotonic
johnc
parents:
10739
diff
changeset
|
210 |
const jlong NANOSECS_PER_SEC = CONST64(1000000000); |
e29da6b5622b
7117303: VM uses non-monotonic time source and complains that it is non-monotonic
johnc
parents:
10739
diff
changeset
|
211 |
const jint NANOSECS_PER_MILLISEC = 1000000; |
e29da6b5622b
7117303: VM uses non-monotonic time source and complains that it is non-monotonic
johnc
parents:
10739
diff
changeset
|
212 |
|
1 | 213 |
inline const char* proper_unit_for_byte_size(size_t s) { |
12629
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
214 |
#ifdef _LP64 |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
215 |
if (s >= 10*G) { |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
216 |
return "G"; |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
217 |
} |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
218 |
#endif |
1 | 219 |
if (s >= 10*M) { |
220 |
return "M"; |
|
221 |
} else if (s >= 10*K) { |
|
222 |
return "K"; |
|
223 |
} else { |
|
224 |
return "B"; |
|
225 |
} |
|
226 |
} |
|
227 |
||
12625 | 228 |
template <class T> |
229 |
inline T byte_size_in_proper_unit(T s) { |
|
12629
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
230 |
#ifdef _LP64 |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
231 |
if (s >= 10*G) { |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
232 |
return (T)(s/G); |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
233 |
} |
cd6a72ba4d23
7169056: Add gigabyte unit to proper_unit_for_byte_size() and byte_size_in_proper_unit()
brutisso
parents:
12625
diff
changeset
|
234 |
#endif |
1 | 235 |
if (s >= 10*M) { |
12625 | 236 |
return (T)(s/M); |
1 | 237 |
} else if (s >= 10*K) { |
12625 | 238 |
return (T)(s/K); |
1 | 239 |
} else { |
240 |
return s; |
|
241 |
} |
|
242 |
} |
|
243 |
||
244 |
//---------------------------------------------------------------------------------------------------- |
|
245 |
// VM type definitions |
|
246 |
||
247 |
// intx and uintx are the 'extended' int and 'extended' unsigned int types; |
|
248 |
// they are 32bit wide on a 32-bit platform, and 64bit wide on a 64bit platform. |
|
249 |
||
250 |
typedef intptr_t intx; |
|
251 |
typedef uintptr_t uintx; |
|
252 |
||
253 |
const intx min_intx = (intx)1 << (sizeof(intx)*BitsPerByte-1); |
|
254 |
const intx max_intx = (uintx)min_intx - 1; |
|
255 |
const uintx max_uintx = (uintx)-1; |
|
256 |
||
257 |
// Table of values: |
|
258 |
// sizeof intx 4 8 |
|
259 |
// min_intx 0x80000000 0x8000000000000000 |
|
260 |
// max_intx 0x7FFFFFFF 0x7FFFFFFFFFFFFFFF |
|
261 |
// max_uintx 0xFFFFFFFF 0xFFFFFFFFFFFFFFFF |
|
262 |
||
263 |
typedef unsigned int uint; NEEDS_CLEANUP |
|
264 |
||
265 |
||
266 |
//---------------------------------------------------------------------------------------------------- |
|
267 |
// Java type definitions |
|
268 |
||
269 |
// All kinds of 'plain' byte addresses |
|
270 |
typedef signed char s_char; |
|
271 |
typedef unsigned char u_char; |
|
272 |
typedef u_char* address; |
|
273 |
typedef uintptr_t address_word; // unsigned integer which will hold a pointer |
|
274 |
// except for some implementations of a C++ |
|
275 |
// linkage pointer to function. Should never |
|
276 |
// need one of those to be placed in this |
|
277 |
// type anyway. |
|
278 |
||
279 |
// Utility functions to "portably" (?) bit twiddle pointers |
|
280 |
// Where portable means keep ANSI C++ compilers quiet |
|
281 |
||
282 |
inline address set_address_bits(address x, int m) { return address(intptr_t(x) | m); } |
|
283 |
inline address clear_address_bits(address x, int m) { return address(intptr_t(x) & ~m); } |
|
284 |
||
285 |
// Utility functions to "portably" make cast to/from function pointers. |
|
286 |
||
287 |
inline address_word mask_address_bits(address x, int m) { return address_word(x) & m; } |
|
288 |
inline address_word castable_address(address x) { return address_word(x) ; } |
|
289 |
inline address_word castable_address(void* x) { return address_word(x) ; } |
|
290 |
||
291 |
// Pointer subtraction. |
|
292 |
// The idea here is to avoid ptrdiff_t, which is signed and so doesn't have |
|
293 |
// the range we might need to find differences from one end of the heap |
|
294 |
// to the other. |
|
295 |
// A typical use might be: |
|
296 |
// if (pointer_delta(end(), top()) >= size) { |
|
297 |
// // enough room for an object of size |
|
298 |
// ... |
|
299 |
// and then additions like |
|
300 |
// ... top() + size ... |
|
301 |
// are safe because we know that top() is at least size below end(). |
|
302 |
inline size_t pointer_delta(const void* left, |
|
303 |
const void* right, |
|
304 |
size_t element_size) { |
|
305 |
return (((uintptr_t) left) - ((uintptr_t) right)) / element_size; |
|
306 |
} |
|
307 |
// A version specialized for HeapWord*'s. |
|
308 |
inline size_t pointer_delta(const HeapWord* left, const HeapWord* right) { |
|
309 |
return pointer_delta(left, right, sizeof(HeapWord)); |
|
310 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
311 |
// A version specialized for MetaWord*'s. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
312 |
inline size_t pointer_delta(const MetaWord* left, const MetaWord* right) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
313 |
return pointer_delta(left, right, sizeof(MetaWord)); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
314 |
} |
1 | 315 |
|
316 |
// |
|
317 |
// ANSI C++ does not allow casting from one pointer type to a function pointer |
|
318 |
// directly without at best a warning. This macro accomplishes it silently |
|
319 |
// In every case that is present at this point the value be cast is a pointer |
|
320 |
// to a C linkage function. In somecase the type used for the cast reflects |
|
321 |
// that linkage and a picky compiler would not complain. In other cases because |
|
322 |
// there is no convenient place to place a typedef with extern C linkage (i.e |
|
323 |
// a platform dependent header file) it doesn't. At this point no compiler seems |
|
324 |
// picky enough to catch these instances (which are few). It is possible that |
|
325 |
// using templates could fix these for all cases. This use of templates is likely |
|
326 |
// so far from the middle of the road that it is likely to be problematic in |
|
327 |
// many C++ compilers. |
|
328 |
// |
|
329 |
#define CAST_TO_FN_PTR(func_type, value) ((func_type)(castable_address(value))) |
|
330 |
#define CAST_FROM_FN_PTR(new_type, func_ptr) ((new_type)((address_word)(func_ptr))) |
|
331 |
||
332 |
// Unsigned byte types for os and stream.hpp |
|
333 |
||
334 |
// Unsigned one, two, four and eigth byte quantities used for describing |
|
335 |
// the .class file format. See JVM book chapter 4. |
|
336 |
||
337 |
typedef jubyte u1; |
|
338 |
typedef jushort u2; |
|
339 |
typedef juint u4; |
|
340 |
typedef julong u8; |
|
341 |
||
342 |
const jubyte max_jubyte = (jubyte)-1; // 0xFF largest jubyte |
|
343 |
const jushort max_jushort = (jushort)-1; // 0xFFFF largest jushort |
|
344 |
const juint max_juint = (juint)-1; // 0xFFFFFFFF largest juint |
|
345 |
const julong max_julong = (julong)-1; // 0xFF....FF largest julong |
|
346 |
||
11480
1bf714e8adb4
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
11251
diff
changeset
|
347 |
typedef jbyte s1; |
1bf714e8adb4
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
11251
diff
changeset
|
348 |
typedef jshort s2; |
1bf714e8adb4
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
11251
diff
changeset
|
349 |
typedef jint s4; |
1bf714e8adb4
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
11251
diff
changeset
|
350 |
typedef jlong s8; |
1bf714e8adb4
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
phh
parents:
11251
diff
changeset
|
351 |
|
1 | 352 |
//---------------------------------------------------------------------------------------------------- |
353 |
// JVM spec restrictions |
|
354 |
||
355 |
const int max_method_code_size = 64*K - 1; // JVM spec, 2nd ed. section 4.8.1 (p.134) |
|
356 |
||
20405 | 357 |
// Default ProtectionDomainCacheSize values |
358 |
||
359 |
const int defaultProtectionDomainCacheSize = NOT_LP64(137) LP64_ONLY(2017); |
|
1 | 360 |
|
361 |
//---------------------------------------------------------------------------------------------------- |
|
17022
584161d608a5
8009928: PSR:PERF Increase default string table size
hseigel
parents:
16694
diff
changeset
|
362 |
// Default and minimum StringTableSize values |
14487
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
13969
diff
changeset
|
363 |
|
17022
584161d608a5
8009928: PSR:PERF Increase default string table size
hseigel
parents:
16694
diff
changeset
|
364 |
const int defaultStringTableSize = NOT_LP64(1009) LP64_ONLY(60013); |
20405 | 365 |
const int minimumStringTableSize = 1009; |
14487
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
13969
diff
changeset
|
366 |
|
20393
0675c0224a5a
8019375: Internal symbol table size should be tunable.
kevinw
parents:
20282
diff
changeset
|
367 |
const int defaultSymbolTableSize = 20011; |
0675c0224a5a
8019375: Internal symbol table size should be tunable.
kevinw
parents:
20282
diff
changeset
|
368 |
const int minimumSymbolTableSize = 1009; |
0675c0224a5a
8019375: Internal symbol table size should be tunable.
kevinw
parents:
20282
diff
changeset
|
369 |
|
14487
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
13969
diff
changeset
|
370 |
|
9a40ad461ee9
7122219: Passed StringTableSize value not verified
hseigel
parents:
13969
diff
changeset
|
371 |
//---------------------------------------------------------------------------------------------------- |
1 | 372 |
// HotSwap - for JVMTI aka Class File Replacement and PopFrame |
373 |
// |
|
374 |
// Determines whether on-the-fly class replacement and frame popping are enabled. |
|
375 |
||
376 |
#define HOTSWAP |
|
377 |
||
378 |
//---------------------------------------------------------------------------------------------------- |
|
379 |
// Object alignment, in units of HeapWords. |
|
380 |
// |
|
381 |
// Minimum is max(BytesPerLong, BytesPerDouble, BytesPerOop) / HeapWordSize, so jlong, jdouble and |
|
382 |
// reference fields can be naturally aligned. |
|
383 |
||
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
384 |
extern int MinObjAlignment; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
385 |
extern int MinObjAlignmentInBytes; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
386 |
extern int MinObjAlignmentInBytesMask; |
1 | 387 |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
388 |
extern int LogMinObjAlignment; |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
389 |
extern int LogMinObjAlignmentInBytes; |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
390 |
|
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
391 |
const int LogKlassAlignmentInBytes = 3; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
392 |
const int LogKlassAlignment = LogKlassAlignmentInBytes - LogHeapWordSize; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
393 |
const int KlassAlignmentInBytes = 1 << LogKlassAlignmentInBytes; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
394 |
const int KlassAlignment = KlassAlignmentInBytes / HeapWordSize; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
395 |
|
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
396 |
// Maximal size of heap where unscaled compression can be used. Also upper bound |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
397 |
// for heap placement: 4GB. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
398 |
const uint64_t UnscaledOopHeapMax = (uint64_t(max_juint) + 1); |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
399 |
// Maximal size of heap where compressed oops can be used. Also upper bound for heap |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
400 |
// placement for zero based compression algorithm: UnscaledOopHeapMax << LogMinObjAlignmentInBytes. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
401 |
extern uint64_t OopEncodingHeapMax; |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
402 |
|
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
403 |
// Maximal size of compressed class space. Above this limit compression is not possible. |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
404 |
// Also upper bound for placement of zero based class space. (Class space is further limited |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
405 |
// to be < 3G, see arguments.cpp.) |
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27471
diff
changeset
|
406 |
const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes; |
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
407 |
|
1 | 408 |
// Machine dependent stuff |
409 |
||
23491 | 410 |
#if defined(X86) && defined(COMPILER2) && !defined(JAVASE_EMBEDDED) |
411 |
// Include Restricted Transactional Memory lock eliding optimization |
|
412 |
#define INCLUDE_RTM_OPT 1 |
|
413 |
#define RTM_OPT_ONLY(code) code |
|
414 |
#else |
|
415 |
#define INCLUDE_RTM_OPT 0 |
|
416 |
#define RTM_OPT_ONLY(code) |
|
417 |
#endif |
|
418 |
// States of Restricted Transactional Memory usage. |
|
419 |
enum RTMState { |
|
420 |
NoRTM = 0x2, // Don't use RTM |
|
421 |
UseRTM = 0x1, // Use RTM |
|
422 |
ProfileRTM = 0x0 // Use RTM with abort ratio calculation |
|
423 |
}; |
|
424 |
||
29180 | 425 |
// The maximum size of the code cache. Can be overridden by targets. |
426 |
#define CODE_CACHE_SIZE_LIMIT (2*G) |
|
427 |
// Allow targets to reduce the default size of the code cache. |
|
428 |
#define CODE_CACHE_DEFAULT_LIMIT CODE_CACHE_SIZE_LIMIT |
|
429 |
||
7397 | 430 |
#ifdef TARGET_ARCH_x86 |
431 |
# include "globalDefinitions_x86.hpp" |
|
432 |
#endif |
|
433 |
#ifdef TARGET_ARCH_sparc |
|
434 |
# include "globalDefinitions_sparc.hpp" |
|
435 |
#endif |
|
436 |
#ifdef TARGET_ARCH_zero |
|
437 |
# include "globalDefinitions_zero.hpp" |
|
438 |
#endif |
|
8107
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
439 |
#ifdef TARGET_ARCH_arm |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
440 |
# include "globalDefinitions_arm.hpp" |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
441 |
#endif |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
442 |
#ifdef TARGET_ARCH_ppc |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
443 |
# include "globalDefinitions_ppc.hpp" |
78e5bd944384
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
7923
diff
changeset
|
444 |
#endif |
29180 | 445 |
#ifdef TARGET_ARCH_aarch64 |
446 |
# include "globalDefinitions_aarch64.hpp" |
|
447 |
#endif |
|
7397 | 448 |
|
17838
89e464689cb1
8011064: Some tests have failed with SIGSEGV on arm-hflt on build b82
jprovino
parents:
17022
diff
changeset
|
449 |
/* |
18742 | 450 |
* If a platform does not support native stack walking |
17838
89e464689cb1
8011064: Some tests have failed with SIGSEGV on arm-hflt on build b82
jprovino
parents:
17022
diff
changeset
|
451 |
* the platform specific globalDefinitions (above) |
18742 | 452 |
* can set PLATFORM_NATIVE_STACK_WALKING_SUPPORTED to 0 |
17838
89e464689cb1
8011064: Some tests have failed with SIGSEGV on arm-hflt on build b82
jprovino
parents:
17022
diff
changeset
|
453 |
*/ |
18742 | 454 |
#ifndef PLATFORM_NATIVE_STACK_WALKING_SUPPORTED |
455 |
#define PLATFORM_NATIVE_STACK_WALKING_SUPPORTED 1 |
|
17838
89e464689cb1
8011064: Some tests have failed with SIGSEGV on arm-hflt on build b82
jprovino
parents:
17022
diff
changeset
|
456 |
#endif |
1 | 457 |
|
22868
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
458 |
// To assure the IRIW property on processors that are not multiple copy |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
459 |
// atomic, sync instructions must be issued between volatile reads to |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
460 |
// assure their ordering, instead of after volatile stores. |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
461 |
// (See "A Tutorial Introduction to the ARM and POWER Relaxed Memory Models" |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
462 |
// by Luc Maranget, Susmit Sarkar and Peter Sewell, INRIA/Cambridge) |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
463 |
#ifdef CPU_NOT_MULTIPLE_COPY_ATOMIC |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
464 |
const bool support_IRIW_for_not_multiple_copy_atomic_cpu = true; |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
465 |
#else |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
466 |
const bool support_IRIW_for_not_multiple_copy_atomic_cpu = false; |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
467 |
#endif |
7f6eb436873b
8029101: PPC64 (part 211): ordering of Independent Reads of Independent Writes
goetz
parents:
22851
diff
changeset
|
468 |
|
1 | 469 |
// The byte alignment to be used by Arena::Amalloc. See bugid 4169348. |
470 |
// Note: this value must be a power of 2 |
|
471 |
||
472 |
#define ARENA_AMALLOC_ALIGNMENT (2*BytesPerWord) |
|
473 |
||
474 |
// Signed variants of alignment helpers. There are two versions of each, a macro |
|
475 |
// for use in places like enum definitions that require compile-time constant |
|
476 |
// expressions and a function for all other places so as to get type checking. |
|
477 |
||
478 |
#define align_size_up_(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1)) |
|
479 |
||
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
480 |
inline bool is_size_aligned(size_t size, size_t alignment) { |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
481 |
return align_size_up_(size, alignment) == size; |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
482 |
} |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
483 |
|
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
484 |
inline bool is_ptr_aligned(void* ptr, size_t alignment) { |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
485 |
return align_size_up_((intptr_t)ptr, (intptr_t)alignment) == (intptr_t)ptr; |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
486 |
} |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
487 |
|
1 | 488 |
inline intptr_t align_size_up(intptr_t size, intptr_t alignment) { |
489 |
return align_size_up_(size, alignment); |
|
490 |
} |
|
491 |
||
492 |
#define align_size_down_(size, alignment) ((size) & ~((alignment) - 1)) |
|
493 |
||
494 |
inline intptr_t align_size_down(intptr_t size, intptr_t alignment) { |
|
495 |
return align_size_down_(size, alignment); |
|
496 |
} |
|
497 |
||
19285
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
498 |
#define is_size_aligned_(size, alignment) ((size) == (align_size_up_(size, alignment))) |
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
499 |
|
19546
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
500 |
inline void* align_ptr_up(void* ptr, size_t alignment) { |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
501 |
return (void*)align_size_up((intptr_t)ptr, (intptr_t)alignment); |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
502 |
} |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
503 |
|
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
504 |
inline void* align_ptr_down(void* ptr, size_t alignment) { |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
505 |
return (void*)align_size_down((intptr_t)ptr, (intptr_t)alignment); |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
506 |
} |
f6b7c9e96ea3
8007074: SIGSEGV at ParMarkBitMap::verify_clear()
stefank
parents:
19320
diff
changeset
|
507 |
|
1 | 508 |
// Align objects by rounding up their size, in HeapWord units. |
509 |
||
510 |
#define align_object_size_(size) align_size_up_(size, MinObjAlignment) |
|
511 |
||
512 |
inline intptr_t align_object_size(intptr_t size) { |
|
513 |
return align_size_up(size, MinObjAlignment); |
|
514 |
} |
|
515 |
||
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
516 |
inline bool is_object_aligned(intptr_t addr) { |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
517 |
return addr == align_object_size(addr); |
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
518 |
} |
1 | 519 |
|
5694
1e0532a6abff
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
5076
diff
changeset
|
520 |
// Pad out certain offsets to jlong alignment, in HeapWord units. |
1 | 521 |
|
522 |
inline intptr_t align_object_offset(intptr_t offset) { |
|
523 |
return align_size_up(offset, HeapWordsPerLong); |
|
524 |
} |
|
525 |
||
19285
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
526 |
inline void* align_pointer_up(const void* addr, size_t size) { |
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
527 |
return (void*) align_size_up_((uintptr_t)addr, size); |
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
528 |
} |
0a3b3f115402
8022880: False sharing between PSPromotionManager instances
stefank
parents:
18743
diff
changeset
|
529 |
|
21559
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
530 |
// Align down with a lower bound. If the aligning results in 0, return 'alignment'. |
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
531 |
|
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
532 |
inline size_t align_size_down_bounded(size_t size, size_t alignment) { |
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
533 |
size_t aligned_size = align_size_down_(size, alignment); |
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
534 |
return aligned_size > 0 ? aligned_size : alignment; |
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
535 |
} |
c5421f5c6ffd
8026852: Use restricted_align_down in collector policy code
jwilhelm
parents:
20408
diff
changeset
|
536 |
|
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
537 |
// Clamp an address to be within a specific page |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
538 |
// 1. If addr is on the page it is returned as is |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
539 |
// 2. If addr is above the page_address the start of the *next* page will be returned |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
540 |
// 3. Otherwise, if addr is below the page_address the start of the page will be returned |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
541 |
inline address clamp_address_in_page(address addr, address page_address, intptr_t page_size) { |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
542 |
if (align_size_down(intptr_t(addr), page_size) == align_size_down(intptr_t(page_address), page_size)) { |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
543 |
// address is in the specified page, just return it as is |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
544 |
return addr; |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
545 |
} else if (addr > page_address) { |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
546 |
// address is above specified page, return start of next page |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
547 |
return (address)align_size_down(intptr_t(page_address), page_size) + page_size; |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
548 |
} else { |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
549 |
// address is below specified page, return start of page |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
550 |
return (address)align_size_down(intptr_t(page_address), page_size); |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
551 |
} |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
552 |
} |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
553 |
|
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
554 |
|
6067 | 555 |
// The expected size in bytes of a cache line, used to pad data structures. |
27165
785a8d56024c
8049737: Contended Locking reorder and cache line bucket
dcubed
parents:
26709
diff
changeset
|
556 |
#ifndef DEFAULT_CACHE_LINE_SIZE |
785a8d56024c
8049737: Contended Locking reorder and cache line bucket
dcubed
parents:
26709
diff
changeset
|
557 |
#define DEFAULT_CACHE_LINE_SIZE 64 |
785a8d56024c
8049737: Contended Locking reorder and cache line bucket
dcubed
parents:
26709
diff
changeset
|
558 |
#endif |
6067 | 559 |
|
1 | 560 |
|
561 |
//---------------------------------------------------------------------------------------------------- |
|
562 |
// Utility macros for compilers |
|
563 |
// used to silence compiler warnings |
|
564 |
||
565 |
#define Unused_Variable(var) var |
|
566 |
||
567 |
||
568 |
//---------------------------------------------------------------------------------------------------- |
|
569 |
// Miscellaneous |
|
570 |
||
571 |
// 6302670 Eliminate Hotspot __fabsf dependency |
|
572 |
// All fabs() callers should call this function instead, which will implicitly |
|
573 |
// convert the operand to double, avoiding a dependency on __fabsf which |
|
574 |
// doesn't exist in early versions of Solaris 8. |
|
575 |
inline double fabsd(double value) { |
|
576 |
return fabs(value); |
|
577 |
} |
|
578 |
||
25918
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
579 |
//---------------------------------------------------------------------------------------------------- |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
580 |
// Special casts |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
581 |
// Cast floats into same-size integers and vice-versa w/o changing bit-pattern |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
582 |
typedef union { |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
583 |
jfloat f; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
584 |
jint i; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
585 |
} FloatIntConv; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
586 |
|
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
587 |
typedef union { |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
588 |
jdouble d; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
589 |
jlong l; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
590 |
julong ul; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
591 |
} DoubleLongConv; |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
592 |
|
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
593 |
inline jint jint_cast (jfloat x) { return ((FloatIntConv*)&x)->i; } |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
594 |
inline jfloat jfloat_cast (jint x) { return ((FloatIntConv*)&x)->f; } |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
595 |
|
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
596 |
inline jlong jlong_cast (jdouble x) { return ((DoubleLongConv*)&x)->l; } |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
597 |
inline julong julong_cast (jdouble x) { return ((DoubleLongConv*)&x)->ul; } |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
598 |
inline jdouble jdouble_cast (jlong x) { return ((DoubleLongConv*)&x)->d; } |
79e4c4d9f5c9
8040121: Load variable through a pointer of an incompatible type in src/hotspot/src/share/vm: opto/output.cpp, runtime/sharedRuntimeTrans.cpp, utilities/globalDefinitions_visCPP.hpp
thartmann
parents:
24458
diff
changeset
|
599 |
|
1 | 600 |
inline jint low (jlong value) { return jint(value); } |
601 |
inline jint high(jlong value) { return jint(value >> 32); } |
|
602 |
||
603 |
// the fancy casts are a hopefully portable way |
|
604 |
// to do unsigned 32 to 64 bit type conversion |
|
605 |
inline void set_low (jlong* value, jint low ) { *value &= (jlong)0xffffffff << 32; |
|
606 |
*value |= (jlong)(julong)(juint)low; } |
|
607 |
||
608 |
inline void set_high(jlong* value, jint high) { *value &= (jlong)(julong)(juint)0xffffffff; |
|
609 |
*value |= (jlong)high << 32; } |
|
610 |
||
611 |
inline jlong jlong_from(jint h, jint l) { |
|
612 |
jlong result = 0; // initialization to avoid warning |
|
613 |
set_high(&result, h); |
|
614 |
set_low(&result, l); |
|
615 |
return result; |
|
616 |
} |
|
617 |
||
618 |
union jlong_accessor { |
|
619 |
jint words[2]; |
|
620 |
jlong long_value; |
|
621 |
}; |
|
622 |
||
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
202
diff
changeset
|
623 |
void basic_types_init(); // cannot define here; uses assert |
1 | 624 |
|
625 |
||
626 |
// NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/runtime/BasicType.java |
|
627 |
enum BasicType { |
|
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
628 |
T_BOOLEAN = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
629 |
T_CHAR = 5, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
630 |
T_FLOAT = 6, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
631 |
T_DOUBLE = 7, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
632 |
T_BYTE = 8, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
633 |
T_SHORT = 9, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
634 |
T_INT = 10, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
635 |
T_LONG = 11, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
636 |
T_OBJECT = 12, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
637 |
T_ARRAY = 13, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
638 |
T_VOID = 14, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
639 |
T_ADDRESS = 15, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
640 |
T_NARROWOOP = 16, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
641 |
T_METADATA = 17, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
642 |
T_NARROWKLASS = 18, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
643 |
T_CONFLICT = 19, // for stack value type with conflicting contents |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
644 |
T_ILLEGAL = 99 |
1 | 645 |
}; |
646 |
||
202
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
647 |
inline bool is_java_primitive(BasicType t) { |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
648 |
return T_BOOLEAN <= t && t <= T_LONG; |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
649 |
} |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
650 |
|
2534 | 651 |
inline bool is_subword_type(BasicType t) { |
652 |
// these guys are processed exactly like T_INT in calling sequences: |
|
653 |
return (t == T_BOOLEAN || t == T_CHAR || t == T_BYTE || t == T_SHORT); |
|
654 |
} |
|
655 |
||
656 |
inline bool is_signed_subword_type(BasicType t) { |
|
657 |
return (t == T_BYTE || t == T_SHORT); |
|
658 |
} |
|
659 |
||
1 | 660 |
// Convert a char from a classfile signature to a BasicType |
661 |
inline BasicType char2type(char c) { |
|
662 |
switch( c ) { |
|
663 |
case 'B': return T_BYTE; |
|
664 |
case 'C': return T_CHAR; |
|
665 |
case 'D': return T_DOUBLE; |
|
666 |
case 'F': return T_FLOAT; |
|
667 |
case 'I': return T_INT; |
|
668 |
case 'J': return T_LONG; |
|
669 |
case 'S': return T_SHORT; |
|
670 |
case 'Z': return T_BOOLEAN; |
|
671 |
case 'V': return T_VOID; |
|
672 |
case 'L': return T_OBJECT; |
|
673 |
case '[': return T_ARRAY; |
|
674 |
} |
|
675 |
return T_ILLEGAL; |
|
676 |
} |
|
677 |
||
678 |
extern char type2char_tab[T_CONFLICT+1]; // Map a BasicType to a jchar |
|
679 |
inline char type2char(BasicType t) { return (uint)t < T_CONFLICT+1 ? type2char_tab[t] : 0; } |
|
680 |
extern int type2size[T_CONFLICT+1]; // Map BasicType to result stack elements |
|
681 |
extern const char* type2name_tab[T_CONFLICT+1]; // Map a BasicType to a jchar |
|
682 |
inline const char* type2name(BasicType t) { return (uint)t < T_CONFLICT+1 ? type2name_tab[t] : NULL; } |
|
683 |
extern BasicType name2type(const char* name); |
|
684 |
||
685 |
// Auxilary math routines |
|
686 |
// least common multiple |
|
687 |
extern size_t lcm(size_t a, size_t b); |
|
688 |
||
689 |
||
690 |
// NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/runtime/BasicType.java |
|
691 |
enum BasicTypeSize { |
|
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
692 |
T_BOOLEAN_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
693 |
T_CHAR_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
694 |
T_FLOAT_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
695 |
T_DOUBLE_size = 2, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
696 |
T_BYTE_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
697 |
T_SHORT_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
698 |
T_INT_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
699 |
T_LONG_size = 2, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
700 |
T_OBJECT_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
701 |
T_ARRAY_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
702 |
T_NARROWOOP_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
703 |
T_NARROWKLASS_size = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
704 |
T_VOID_size = 0 |
1 | 705 |
}; |
706 |
||
707 |
||
708 |
// maps a BasicType to its instance field storage type: |
|
709 |
// all sub-word integral types are widened to T_INT |
|
710 |
extern BasicType type2field[T_CONFLICT+1]; |
|
711 |
extern BasicType type2wfield[T_CONFLICT+1]; |
|
712 |
||
713 |
||
714 |
// size in bytes |
|
715 |
enum ArrayElementSize { |
|
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
716 |
T_BOOLEAN_aelem_bytes = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
717 |
T_CHAR_aelem_bytes = 2, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
718 |
T_FLOAT_aelem_bytes = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
719 |
T_DOUBLE_aelem_bytes = 8, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
720 |
T_BYTE_aelem_bytes = 1, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
721 |
T_SHORT_aelem_bytes = 2, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
722 |
T_INT_aelem_bytes = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
723 |
T_LONG_aelem_bytes = 8, |
1 | 724 |
#ifdef _LP64 |
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
725 |
T_OBJECT_aelem_bytes = 8, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
726 |
T_ARRAY_aelem_bytes = 8, |
1 | 727 |
#else |
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
728 |
T_OBJECT_aelem_bytes = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
729 |
T_ARRAY_aelem_bytes = 4, |
1 | 730 |
#endif |
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
731 |
T_NARROWOOP_aelem_bytes = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
732 |
T_NARROWKLASS_aelem_bytes = 4, |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
733 |
T_VOID_aelem_bytes = 0 |
1 | 734 |
}; |
735 |
||
202
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
736 |
extern int _type2aelembytes[T_CONFLICT+1]; // maps a BasicType to nof bytes used by its array element |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
737 |
#ifdef ASSERT |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
738 |
extern int type2aelembytes(BasicType t, bool allow_address = false); // asserts |
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
739 |
#else |
6433 | 740 |
inline int type2aelembytes(BasicType t, bool allow_address = false) { return _type2aelembytes[t]; } |
202
dc13bf0e5d5d
6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM
kvn
parents:
1
diff
changeset
|
741 |
#endif |
1 | 742 |
|
743 |
||
744 |
// JavaValue serves as a container for arbitrary Java values. |
|
745 |
||
746 |
class JavaValue { |
|
747 |
||
748 |
public: |
|
749 |
typedef union JavaCallValue { |
|
750 |
jfloat f; |
|
751 |
jdouble d; |
|
752 |
jint i; |
|
753 |
jlong l; |
|
754 |
jobject h; |
|
755 |
} JavaCallValue; |
|
756 |
||
757 |
private: |
|
758 |
BasicType _type; |
|
759 |
JavaCallValue _value; |
|
760 |
||
761 |
public: |
|
762 |
JavaValue(BasicType t = T_ILLEGAL) { _type = t; } |
|
763 |
||
764 |
JavaValue(jfloat value) { |
|
765 |
_type = T_FLOAT; |
|
766 |
_value.f = value; |
|
767 |
} |
|
768 |
||
769 |
JavaValue(jdouble value) { |
|
770 |
_type = T_DOUBLE; |
|
771 |
_value.d = value; |
|
772 |
} |
|
773 |
||
774 |
jfloat get_jfloat() const { return _value.f; } |
|
775 |
jdouble get_jdouble() const { return _value.d; } |
|
776 |
jint get_jint() const { return _value.i; } |
|
777 |
jlong get_jlong() const { return _value.l; } |
|
778 |
jobject get_jobject() const { return _value.h; } |
|
779 |
JavaCallValue* get_value_addr() { return &_value; } |
|
780 |
BasicType get_type() const { return _type; } |
|
781 |
||
782 |
void set_jfloat(jfloat f) { _value.f = f;} |
|
783 |
void set_jdouble(jdouble d) { _value.d = d;} |
|
784 |
void set_jint(jint i) { _value.i = i;} |
|
785 |
void set_jlong(jlong l) { _value.l = l;} |
|
786 |
void set_jobject(jobject h) { _value.h = h;} |
|
787 |
void set_type(BasicType t) { _type = t; } |
|
788 |
||
789 |
jboolean get_jboolean() const { return (jboolean) (_value.i);} |
|
790 |
jbyte get_jbyte() const { return (jbyte) (_value.i);} |
|
791 |
jchar get_jchar() const { return (jchar) (_value.i);} |
|
792 |
jshort get_jshort() const { return (jshort) (_value.i);} |
|
793 |
||
794 |
}; |
|
795 |
||
796 |
||
797 |
#define STACK_BIAS 0 |
|
798 |
// V9 Sparc CPU's running in 64 Bit mode use a stack bias of 7ff |
|
799 |
// in order to extend the reach of the stack pointer. |
|
800 |
#if defined(SPARC) && defined(_LP64) |
|
801 |
#undef STACK_BIAS |
|
802 |
#define STACK_BIAS 0x7ff |
|
803 |
#endif |
|
804 |
||
805 |
||
806 |
// TosState describes the top-of-stack state before and after the execution of |
|
807 |
// a bytecode or method. The top-of-stack value may be cached in one or more CPU |
|
808 |
// registers. The TosState corresponds to the 'machine represention' of this cached |
|
809 |
// value. There's 4 states corresponding to the JAVA types int, long, float & double |
|
810 |
// as well as a 5th state in case the top-of-stack value is actually on the top |
|
811 |
// of stack (in memory) and thus not cached. The atos state corresponds to the itos |
|
812 |
// state when it comes to machine representation but is used separately for (oop) |
|
813 |
// type specific operations (e.g. verification code). |
|
814 |
||
815 |
enum TosState { // describes the tos cache contents |
|
816 |
btos = 0, // byte, bool tos cached |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
817 |
ctos = 1, // char tos cached |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
818 |
stos = 2, // short tos cached |
1 | 819 |
itos = 3, // int tos cached |
820 |
ltos = 4, // long tos cached |
|
821 |
ftos = 5, // float tos cached |
|
822 |
dtos = 6, // double tos cached |
|
823 |
atos = 7, // object cached |
|
824 |
vtos = 8, // tos not cached |
|
825 |
number_of_states, |
|
826 |
ilgl // illegal state: should not occur |
|
827 |
}; |
|
828 |
||
829 |
||
830 |
inline TosState as_TosState(BasicType type) { |
|
831 |
switch (type) { |
|
832 |
case T_BYTE : return btos; |
|
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
833 |
case T_BOOLEAN: return btos; // FIXME: Add ztos |
1 | 834 |
case T_CHAR : return ctos; |
835 |
case T_SHORT : return stos; |
|
836 |
case T_INT : return itos; |
|
837 |
case T_LONG : return ltos; |
|
838 |
case T_FLOAT : return ftos; |
|
839 |
case T_DOUBLE : return dtos; |
|
840 |
case T_VOID : return vtos; |
|
841 |
case T_ARRAY : // fall through |
|
842 |
case T_OBJECT : return atos; |
|
843 |
} |
|
844 |
return ilgl; |
|
845 |
} |
|
846 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
847 |
inline BasicType as_BasicType(TosState state) { |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
848 |
switch (state) { |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
849 |
//case ztos: return T_BOOLEAN;//FIXME |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
850 |
case btos : return T_BYTE; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
851 |
case ctos : return T_CHAR; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
852 |
case stos : return T_SHORT; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
853 |
case itos : return T_INT; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
854 |
case ltos : return T_LONG; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
855 |
case ftos : return T_FLOAT; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
856 |
case dtos : return T_DOUBLE; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
857 |
case atos : return T_OBJECT; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
858 |
case vtos : return T_VOID; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
859 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
860 |
return T_ILLEGAL; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
861 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
862 |
|
1 | 863 |
|
864 |
// Helper function to convert BasicType info into TosState |
|
865 |
// Note: Cannot define here as it uses global constant at the time being. |
|
866 |
TosState as_TosState(BasicType type); |
|
867 |
||
868 |
||
869 |
// JavaThreadState keeps track of which part of the code a thread is executing in. This |
|
870 |
// information is needed by the safepoint code. |
|
871 |
// |
|
872 |
// There are 4 essential states: |
|
873 |
// |
|
874 |
// _thread_new : Just started, but not executed init. code yet (most likely still in OS init code) |
|
875 |
// _thread_in_native : In native code. This is a safepoint region, since all oops will be in jobject handles |
|
876 |
// _thread_in_vm : Executing in the vm |
|
877 |
// _thread_in_Java : Executing either interpreted or compiled Java code (or could be in a stub) |
|
878 |
// |
|
879 |
// Each state has an associated xxxx_trans state, which is an intermediate state used when a thread is in |
|
880 |
// a transition from one state to another. These extra states makes it possible for the safepoint code to |
|
881 |
// handle certain thread_states without having to suspend the thread - making the safepoint code faster. |
|
882 |
// |
|
883 |
// Given a state, the xxx_trans state can always be found by adding 1. |
|
884 |
// |
|
885 |
enum JavaThreadState { |
|
886 |
_thread_uninitialized = 0, // should never happen (missing initialization) |
|
887 |
_thread_new = 2, // just starting up, i.e., in process of being initialized |
|
888 |
_thread_new_trans = 3, // corresponding transition state (not used, included for completness) |
|
889 |
_thread_in_native = 4, // running in native code |
|
890 |
_thread_in_native_trans = 5, // corresponding transition state |
|
891 |
_thread_in_vm = 6, // running in VM |
|
892 |
_thread_in_vm_trans = 7, // corresponding transition state |
|
893 |
_thread_in_Java = 8, // running in Java or in stub code |
|
894 |
_thread_in_Java_trans = 9, // corresponding transition state (not used, included for completness) |
|
895 |
_thread_blocked = 10, // blocked in vm |
|
896 |
_thread_blocked_trans = 11, // corresponding transition state |
|
897 |
_thread_max_state = 12 // maximum thread state+1 - used for statistics allocation |
|
898 |
}; |
|
899 |
||
900 |
||
901 |
// Handy constants for deciding which compiler mode to use. |
|
902 |
enum MethodCompilation { |
|
26705
fca1785e7084
8048721: -XX:+PrintCompilation prints negative bci for non entrant OSR methods
thartmann
parents:
25918
diff
changeset
|
903 |
InvocationEntryBci = -1 // i.e., not a on-stack replacement compilation |
1 | 904 |
}; |
905 |
||
906 |
// Enumeration to distinguish tiers of compilation |
|
907 |
enum CompLevel { |
|
6453 | 908 |
CompLevel_any = -1, |
909 |
CompLevel_all = -1, |
|
910 |
CompLevel_none = 0, // Interpreter |
|
911 |
CompLevel_simple = 1, // C1 |
|
912 |
CompLevel_limited_profile = 2, // C1, invocation & backedge counters |
|
913 |
CompLevel_full_profile = 3, // C1, invocation & backedge counters + mdo |
|
9103 | 914 |
CompLevel_full_optimization = 4, // C2 or Shark |
1 | 915 |
|
9103 | 916 |
#if defined(COMPILER2) || defined(SHARK) |
6453 | 917 |
CompLevel_highest_tier = CompLevel_full_optimization, // pure C2 and tiered |
918 |
#elif defined(COMPILER1) |
|
919 |
CompLevel_highest_tier = CompLevel_simple, // pure C1 |
|
1 | 920 |
#else |
6453 | 921 |
CompLevel_highest_tier = CompLevel_none, |
922 |
#endif |
|
923 |
||
924 |
#if defined(TIERED) |
|
925 |
CompLevel_initial_compile = CompLevel_full_profile // tiered |
|
926 |
#elif defined(COMPILER1) |
|
927 |
CompLevel_initial_compile = CompLevel_simple // pure C1 |
|
9103 | 928 |
#elif defined(COMPILER2) || defined(SHARK) |
6453 | 929 |
CompLevel_initial_compile = CompLevel_full_optimization // pure C2 |
930 |
#else |
|
931 |
CompLevel_initial_compile = CompLevel_none |
|
932 |
#endif |
|
1 | 933 |
}; |
934 |
||
6453 | 935 |
inline bool is_c1_compile(int comp_level) { |
936 |
return comp_level > CompLevel_none && comp_level < CompLevel_full_optimization; |
|
1 | 937 |
} |
6453 | 938 |
|
939 |
inline bool is_c2_compile(int comp_level) { |
|
1 | 940 |
return comp_level == CompLevel_full_optimization; |
941 |
} |
|
6453 | 942 |
|
1 | 943 |
inline bool is_highest_tier_compile(int comp_level) { |
944 |
return comp_level == CompLevel_highest_tier; |
|
945 |
} |
|
946 |
||
16689
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
15228
diff
changeset
|
947 |
inline bool is_compile(int comp_level) { |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
15228
diff
changeset
|
948 |
return is_c1_compile(comp_level) || is_c2_compile(comp_level); |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
15228
diff
changeset
|
949 |
} |
efce070b8d42
8007288: Additional WB API for compiler's testing
iignatyev
parents:
15228
diff
changeset
|
950 |
|
1 | 951 |
//---------------------------------------------------------------------------------------------------- |
952 |
// 'Forward' declarations of frequently used classes |
|
953 |
// (in order to reduce interface dependencies & reduce |
|
954 |
// number of unnecessary compilations after changes) |
|
955 |
||
956 |
class symbolTable; |
|
957 |
class ClassFileStream; |
|
958 |
||
959 |
class Event; |
|
960 |
||
961 |
class Thread; |
|
962 |
class VMThread; |
|
963 |
class JavaThread; |
|
964 |
class Threads; |
|
965 |
||
966 |
class VM_Operation; |
|
967 |
class VMOperationQueue; |
|
968 |
||
969 |
class CodeBlob; |
|
970 |
class nmethod; |
|
971 |
class OSRAdapter; |
|
972 |
class I2CAdapter; |
|
973 |
class C2IAdapter; |
|
974 |
class CompiledIC; |
|
975 |
class relocInfo; |
|
976 |
class ScopeDesc; |
|
977 |
class PcDesc; |
|
978 |
||
979 |
class Recompiler; |
|
980 |
class Recompilee; |
|
981 |
class RecompilationPolicy; |
|
982 |
class RFrame; |
|
983 |
class CompiledRFrame; |
|
984 |
class InterpretedRFrame; |
|
985 |
||
986 |
class frame; |
|
987 |
||
988 |
class vframe; |
|
989 |
class javaVFrame; |
|
990 |
class interpretedVFrame; |
|
991 |
class compiledVFrame; |
|
992 |
class deoptimizedVFrame; |
|
993 |
class externalVFrame; |
|
994 |
class entryVFrame; |
|
995 |
||
996 |
class RegisterMap; |
|
997 |
||
998 |
class Mutex; |
|
999 |
class Monitor; |
|
1000 |
class BasicLock; |
|
1001 |
class BasicObjectLock; |
|
1002 |
||
1003 |
class PeriodicTask; |
|
1004 |
||
1005 |
class JavaCallWrapper; |
|
1006 |
||
1007 |
class oopDesc; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
1008 |
class metaDataOopDesc; |
1 | 1009 |
|
1010 |
class NativeCall; |
|
1011 |
||
1012 |
class zone; |
|
1013 |
||
1014 |
class StubQueue; |
|
1015 |
||
1016 |
class outputStream; |
|
1017 |
||
1018 |
class ResourceArea; |
|
1019 |
||
1020 |
class DebugInformationRecorder; |
|
1021 |
class ScopeValue; |
|
1022 |
class CompressedStream; |
|
1023 |
class DebugInfoReadStream; |
|
1024 |
class DebugInfoWriteStream; |
|
1025 |
class LocationValue; |
|
1026 |
class ConstantValue; |
|
1027 |
class IllegalValue; |
|
1028 |
||
1029 |
class PrivilegedElement; |
|
1030 |
class MonitorArray; |
|
1031 |
||
1032 |
class MonitorInfo; |
|
1033 |
||
1034 |
class OffsetClosure; |
|
1035 |
class OopMapCache; |
|
1036 |
class InterpreterOopMap; |
|
1037 |
class OopMapCacheEntry; |
|
1038 |
class OSThread; |
|
1039 |
||
1040 |
typedef int (*OSThreadStartFunc)(void*); |
|
1041 |
||
1042 |
class Space; |
|
1043 |
||
1044 |
class JavaValue; |
|
1045 |
class methodHandle; |
|
1046 |
class JavaCallArguments; |
|
1047 |
||
1048 |
// Basic support for errors (general debug facilities not defined at this point fo the include phase) |
|
1049 |
||
1050 |
extern void basic_fatal(const char* msg); |
|
1051 |
||
1052 |
||
1053 |
//---------------------------------------------------------------------------------------------------- |
|
1054 |
// Special constants for debugging |
|
1055 |
||
1056 |
const jint badInt = -3; // generic "bad int" value |
|
1057 |
const long badAddressVal = -2; // generic "bad address" value |
|
1058 |
const long badOopVal = -1; // generic "bad oop" value |
|
1059 |
const intptr_t badHeapOopVal = (intptr_t) CONST64(0x2BAD4B0BBAADBABE); // value used to zap heap after GC |
|
1060 |
const int badHandleValue = 0xBC; // value used to zap vm handle area |
|
1061 |
const int badResourceValue = 0xAB; // value used to zap resource area |
|
1062 |
const int freeBlockPad = 0xBA; // value used to pad freed blocks. |
|
1063 |
const int uninitBlockPad = 0xF1; // value used to zap newly malloc'd blocks. |
|
27471 | 1064 |
const intptr_t badJNIHandleVal = (intptr_t) UCONST64(0xFEFEFEFEFEFEFEFE); // value used to zap jni handle area |
1 | 1065 |
const juint badHeapWordVal = 0xBAADBABE; // value used to zap heap after GC |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
12779
diff
changeset
|
1066 |
const juint badMetaWordVal = 0xBAADFADE; // value used to zap metadata heap after GC |
1 | 1067 |
const int badCodeHeapNewVal= 0xCC; // value used to zap Code heap at allocation |
1068 |
const int badCodeHeapFreeVal = 0xDD; // value used to zap Code heap at deallocation |
|
1069 |
||
1070 |
||
1071 |
// (These must be implemented as #defines because C++ compilers are |
|
1072 |
// not obligated to inline non-integral constants!) |
|
1073 |
#define badAddress ((address)::badAddressVal) |
|
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
19546
diff
changeset
|
1074 |
#define badOop (cast_to_oop(::badOopVal)) |
1 | 1075 |
#define badHeapWord (::badHeapWordVal) |
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
19546
diff
changeset
|
1076 |
#define badJNIHandle (cast_to_oop(::badJNIHandleVal)) |
1 | 1077 |
|
5076
8b74a4b60b31
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
4902
diff
changeset
|
1078 |
// Default TaskQueue size is 16K (32-bit) or 128K (64-bit) |
8b74a4b60b31
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
4902
diff
changeset
|
1079 |
#define TASKQUEUE_SIZE (NOT_LP64(1<<14) LP64_ONLY(1<<17)) |
1 | 1080 |
|
1081 |
//---------------------------------------------------------------------------------------------------- |
|
1082 |
// Utility functions for bitfield manipulations |
|
1083 |
||
1084 |
const intptr_t AllBits = ~0; // all bits set in a word |
|
1085 |
const intptr_t NoBits = 0; // no bits set in a word |
|
1086 |
const jlong NoLongBits = 0; // no bits set in a long |
|
1087 |
const intptr_t OneBit = 1; // only right_most bit set in a word |
|
1088 |
||
1089 |
// get a word with the n.th or the right-most or left-most n bits set |
|
1090 |
// (note: #define used only so that they can be used in enum constant definitions) |
|
1091 |
#define nth_bit(n) (n >= BitsPerWord ? 0 : OneBit << (n)) |
|
1092 |
#define right_n_bits(n) (nth_bit(n) - 1) |
|
1093 |
#define left_n_bits(n) (right_n_bits(n) << (n >= BitsPerWord ? 0 : (BitsPerWord - n))) |
|
1094 |
||
1095 |
// bit-operations using a mask m |
|
1096 |
inline void set_bits (intptr_t& x, intptr_t m) { x |= m; } |
|
1097 |
inline void clear_bits (intptr_t& x, intptr_t m) { x &= ~m; } |
|
1098 |
inline intptr_t mask_bits (intptr_t x, intptr_t m) { return x & m; } |
|
1099 |
inline jlong mask_long_bits (jlong x, jlong m) { return x & m; } |
|
1100 |
inline bool mask_bits_are_true (intptr_t flags, intptr_t mask) { return (flags & mask) == mask; } |
|
1101 |
||
1102 |
// bit-operations using the n.th bit |
|
1103 |
inline void set_nth_bit(intptr_t& x, int n) { set_bits (x, nth_bit(n)); } |
|
1104 |
inline void clear_nth_bit(intptr_t& x, int n) { clear_bits(x, nth_bit(n)); } |
|
1105 |
inline bool is_set_nth_bit(intptr_t x, int n) { return mask_bits (x, nth_bit(n)) != NoBits; } |
|
1106 |
||
1107 |
// returns the bitfield of x starting at start_bit_no with length field_length (no sign-extension!) |
|
1108 |
inline intptr_t bitfield(intptr_t x, int start_bit_no, int field_length) { |
|
1109 |
return mask_bits(x >> start_bit_no, right_n_bits(field_length)); |
|
1110 |
} |
|
1111 |
||
1112 |
||
1113 |
//---------------------------------------------------------------------------------------------------- |
|
1114 |
// Utility functions for integers |
|
1115 |
||
1116 |
// Avoid use of global min/max macros which may cause unwanted double |
|
1117 |
// evaluation of arguments. |
|
1118 |
#ifdef max |
|
1119 |
#undef max |
|
1120 |
#endif |
|
1121 |
||
1122 |
#ifdef min |
|
1123 |
#undef min |
|
1124 |
#endif |
|
1125 |
||
1126 |
#define max(a,b) Do_not_use_max_use_MAX2_instead |
|
1127 |
#define min(a,b) Do_not_use_min_use_MIN2_instead |
|
1128 |
||
1129 |
// It is necessary to use templates here. Having normal overloaded |
|
1130 |
// functions does not work because it is necessary to provide both 32- |
|
1131 |
// and 64-bit overloaded functions, which does not work, and having |
|
1132 |
// explicitly-typed versions of these routines (i.e., MAX2I, MAX2L) |
|
1133 |
// will be even more error-prone than macros. |
|
1134 |
template<class T> inline T MAX2(T a, T b) { return (a > b) ? a : b; } |
|
1135 |
template<class T> inline T MIN2(T a, T b) { return (a < b) ? a : b; } |
|
1136 |
template<class T> inline T MAX3(T a, T b, T c) { return MAX2(MAX2(a, b), c); } |
|
1137 |
template<class T> inline T MIN3(T a, T b, T c) { return MIN2(MIN2(a, b), c); } |
|
1138 |
template<class T> inline T MAX4(T a, T b, T c, T d) { return MAX2(MAX3(a, b, c), d); } |
|
1139 |
template<class T> inline T MIN4(T a, T b, T c, T d) { return MIN2(MIN3(a, b, c), d); } |
|
1140 |
||
1141 |
template<class T> inline T ABS(T x) { return (x > 0) ? x : -x; } |
|
1142 |
||
1143 |
// true if x is a power of 2, false otherwise |
|
1144 |
inline bool is_power_of_2(intptr_t x) { |
|
1145 |
return ((x != NoBits) && (mask_bits(x, x - 1) == NoBits)); |
|
1146 |
} |
|
1147 |
||
1148 |
// long version of is_power_of_2 |
|
1149 |
inline bool is_power_of_2_long(jlong x) { |
|
1150 |
return ((x != NoLongBits) && (mask_long_bits(x, x - 1) == NoLongBits)); |
|
1151 |
} |
|
1152 |
||
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
1153 |
// Returns largest i such that 2^i <= x. |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
1154 |
// If x < 0, the function returns 31 on a 32-bit machine and 63 on a 64-bit machine. |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
1155 |
// If x == 0, the function returns -1. |
1 | 1156 |
inline int log2_intptr(intptr_t x) { |
1157 |
int i = -1; |
|
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
1158 |
uintptr_t p = 1; |
1 | 1159 |
while (p != 0 && p <= (uintptr_t)x) { |
1160 |
// p = 2^(i+1) && p <= x (i.e., 2^(i+1) <= x) |
|
1161 |
i++; p *= 2; |
|
1162 |
} |
|
1163 |
// p = 2^(i+1) && x < p (i.e., 2^i <= x < 2^(i+1)) |
|
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
1164 |
// If p = 0, overflow has occurred and i = 31 or i = 63 (depending on the machine word size). |
1 | 1165 |
return i; |
1166 |
} |
|
1167 |
||
1168 |
//* largest i such that 2^i <= x |
|
1169 |
// A negative value of 'x' will return '63' |
|
1170 |
inline int log2_long(jlong x) { |
|
1171 |
int i = -1; |
|
1172 |
julong p = 1; |
|
1173 |
while (p != 0 && p <= (julong)x) { |
|
1174 |
// p = 2^(i+1) && p <= x (i.e., 2^(i+1) <= x) |
|
1175 |
i++; p *= 2; |
|
1176 |
} |
|
1177 |
// p = 2^(i+1) && x < p (i.e., 2^i <= x < 2^(i+1)) |
|
2131 | 1178 |
// (if p = 0 then overflow occurred and i = 63) |
1 | 1179 |
return i; |
1180 |
} |
|
1181 |
||
1182 |
//* the argument must be exactly a power of 2 |
|
1183 |
inline int exact_log2(intptr_t x) { |
|
1184 |
#ifdef ASSERT |
|
1185 |
if (!is_power_of_2(x)) basic_fatal("x must be a power of 2"); |
|
1186 |
#endif |
|
1187 |
return log2_intptr(x); |
|
1188 |
} |
|
1189 |
||
2032
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1190 |
//* the argument must be exactly a power of 2 |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1191 |
inline int exact_log2_long(jlong x) { |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1192 |
#ifdef ASSERT |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1193 |
if (!is_power_of_2_long(x)) basic_fatal("x must be a power of 2"); |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1194 |
#endif |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1195 |
return log2_long(x); |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1196 |
} |
1e27661bff28
6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.
twisti
parents:
2023
diff
changeset
|
1197 |
|
1 | 1198 |
|
1199 |
// returns integer round-up to the nearest multiple of s (s must be a power of two) |
|
1200 |
inline intptr_t round_to(intptr_t x, uintx s) { |
|
1201 |
#ifdef ASSERT |
|
1202 |
if (!is_power_of_2(s)) basic_fatal("s must be a power of 2"); |
|
1203 |
#endif |
|
1204 |
const uintx m = s - 1; |
|
1205 |
return mask_bits(x + m, ~m); |
|
1206 |
} |
|
1207 |
||
1208 |
// returns integer round-down to the nearest multiple of s (s must be a power of two) |
|
1209 |
inline intptr_t round_down(intptr_t x, uintx s) { |
|
1210 |
#ifdef ASSERT |
|
1211 |
if (!is_power_of_2(s)) basic_fatal("s must be a power of 2"); |
|
1212 |
#endif |
|
1213 |
const uintx m = s - 1; |
|
1214 |
return mask_bits(x, ~m); |
|
1215 |
} |
|
1216 |
||
1217 |
||
1218 |
inline bool is_odd (intx x) { return x & 1; } |
|
1219 |
inline bool is_even(intx x) { return !is_odd(x); } |
|
1220 |
||
1221 |
// "to" should be greater than "from." |
|
1222 |
inline intx byte_size(void* from, void* to) { |
|
1223 |
return (address)to - (address)from; |
|
1224 |
} |
|
1225 |
||
1226 |
//---------------------------------------------------------------------------------------------------- |
|
1227 |
// Avoid non-portable casts with these routines (DEPRECATED) |
|
1228 |
||
1229 |
// NOTE: USE Bytes class INSTEAD WHERE POSSIBLE |
|
1230 |
// Bytes is optimized machine-specifically and may be much faster then the portable routines below. |
|
1231 |
||
1232 |
// Given sequence of four bytes, build into a 32-bit word |
|
1233 |
// following the conventions used in class files. |
|
1234 |
// On the 386, this could be realized with a simple address cast. |
|
1235 |
// |
|
1236 |
||
1237 |
// This routine takes eight bytes: |
|
1238 |
inline u8 build_u8_from( u1 c1, u1 c2, u1 c3, u1 c4, u1 c5, u1 c6, u1 c7, u1 c8 ) { |
|
6459
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1239 |
return (( u8(c1) << 56 ) & ( u8(0xff) << 56 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1240 |
| (( u8(c2) << 48 ) & ( u8(0xff) << 48 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1241 |
| (( u8(c3) << 40 ) & ( u8(0xff) << 40 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1242 |
| (( u8(c4) << 32 ) & ( u8(0xff) << 32 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1243 |
| (( u8(c5) << 24 ) & ( u8(0xff) << 24 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1244 |
| (( u8(c6) << 16 ) & ( u8(0xff) << 16 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1245 |
| (( u8(c7) << 8 ) & ( u8(0xff) << 8 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1246 |
| (( u8(c8) << 0 ) & ( u8(0xff) << 0 )); |
1 | 1247 |
} |
1248 |
||
1249 |
// This routine takes four bytes: |
|
1250 |
inline u4 build_u4_from( u1 c1, u1 c2, u1 c3, u1 c4 ) { |
|
6459
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1251 |
return (( u4(c1) << 24 ) & 0xff000000) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1252 |
| (( u4(c2) << 16 ) & 0x00ff0000) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1253 |
| (( u4(c3) << 8 ) & 0x0000ff00) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1254 |
| (( u4(c4) << 0 ) & 0x000000ff); |
1 | 1255 |
} |
1256 |
||
1257 |
// And this one works if the four bytes are contiguous in memory: |
|
1258 |
inline u4 build_u4_from( u1* p ) { |
|
1259 |
return build_u4_from( p[0], p[1], p[2], p[3] ); |
|
1260 |
} |
|
1261 |
||
1262 |
// Ditto for two-byte ints: |
|
1263 |
inline u2 build_u2_from( u1 c1, u1 c2 ) { |
|
6459
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1264 |
return u2((( u2(c1) << 8 ) & 0xff00) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1265 |
| (( u2(c2) << 0 ) & 0x00ff)); |
1 | 1266 |
} |
1267 |
||
1268 |
// And this one works if the two bytes are contiguous in memory: |
|
1269 |
inline u2 build_u2_from( u1* p ) { |
|
1270 |
return build_u2_from( p[0], p[1] ); |
|
1271 |
} |
|
1272 |
||
1273 |
// Ditto for floats: |
|
1274 |
inline jfloat build_float_from( u1 c1, u1 c2, u1 c3, u1 c4 ) { |
|
1275 |
u4 u = build_u4_from( c1, c2, c3, c4 ); |
|
1276 |
return *(jfloat*)&u; |
|
1277 |
} |
|
1278 |
||
1279 |
inline jfloat build_float_from( u1* p ) { |
|
1280 |
u4 u = build_u4_from( p ); |
|
1281 |
return *(jfloat*)&u; |
|
1282 |
} |
|
1283 |
||
1284 |
||
1285 |
// now (64-bit) longs |
|
1286 |
||
1287 |
inline jlong build_long_from( u1 c1, u1 c2, u1 c3, u1 c4, u1 c5, u1 c6, u1 c7, u1 c8 ) { |
|
6459
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1288 |
return (( jlong(c1) << 56 ) & ( jlong(0xff) << 56 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1289 |
| (( jlong(c2) << 48 ) & ( jlong(0xff) << 48 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1290 |
| (( jlong(c3) << 40 ) & ( jlong(0xff) << 40 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1291 |
| (( jlong(c4) << 32 ) & ( jlong(0xff) << 32 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1292 |
| (( jlong(c5) << 24 ) & ( jlong(0xff) << 24 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1293 |
| (( jlong(c6) << 16 ) & ( jlong(0xff) << 16 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1294 |
| (( jlong(c7) << 8 ) & ( jlong(0xff) << 8 )) |
3d75ed40a975
6934483: GCC 4.5 errors "suggest parentheses around something..." when compiling with -Werror and -Wall
twisti
parents:
6453
diff
changeset
|
1295 |
| (( jlong(c8) << 0 ) & ( jlong(0xff) << 0 )); |
1 | 1296 |
} |
1297 |
||
1298 |
inline jlong build_long_from( u1* p ) { |
|
1299 |
return build_long_from( p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7] ); |
|
1300 |
} |
|
1301 |
||
1302 |
||
1303 |
// Doubles, too! |
|
1304 |
inline jdouble build_double_from( u1 c1, u1 c2, u1 c3, u1 c4, u1 c5, u1 c6, u1 c7, u1 c8 ) { |
|
1305 |
jlong u = build_long_from( c1, c2, c3, c4, c5, c6, c7, c8 ); |
|
1306 |
return *(jdouble*)&u; |
|
1307 |
} |
|
1308 |
||
1309 |
inline jdouble build_double_from( u1* p ) { |
|
1310 |
jlong u = build_long_from( p ); |
|
1311 |
return *(jdouble*)&u; |
|
1312 |
} |
|
1313 |
||
1314 |
||
1315 |
// Portable routines to go the other way: |
|
1316 |
||
1317 |
inline void explode_short_to( u2 x, u1& c1, u1& c2 ) { |
|
1318 |
c1 = u1(x >> 8); |
|
1319 |
c2 = u1(x); |
|
1320 |
} |
|
1321 |
||
1322 |
inline void explode_short_to( u2 x, u1* p ) { |
|
1323 |
explode_short_to( x, p[0], p[1]); |
|
1324 |
} |
|
1325 |
||
1326 |
inline void explode_int_to( u4 x, u1& c1, u1& c2, u1& c3, u1& c4 ) { |
|
1327 |
c1 = u1(x >> 24); |
|
1328 |
c2 = u1(x >> 16); |
|
1329 |
c3 = u1(x >> 8); |
|
1330 |
c4 = u1(x); |
|
1331 |
} |
|
1332 |
||
1333 |
inline void explode_int_to( u4 x, u1* p ) { |
|
1334 |
explode_int_to( x, p[0], p[1], p[2], p[3]); |
|
1335 |
} |
|
1336 |
||
1337 |
||
1338 |
// Pack and extract shorts to/from ints: |
|
1339 |
||
1340 |
inline int extract_low_short_from_int(jint x) { |
|
1341 |
return x & 0xffff; |
|
1342 |
} |
|
1343 |
||
1344 |
inline int extract_high_short_from_int(jint x) { |
|
1345 |
return (x >> 16) & 0xffff; |
|
1346 |
} |
|
1347 |
||
1348 |
inline int build_int_from_shorts( jushort low, jushort high ) { |
|
1349 |
return ((int)((unsigned int)high << 16) | (unsigned int)low); |
|
1350 |
} |
|
1351 |
||
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1352 |
// Convert pointer to intptr_t, for use in printing pointers. |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1353 |
inline intptr_t p2i(const void * p) { |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1354 |
return (intptr_t) p; |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1355 |
} |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1356 |
|
1 | 1357 |
// Printf-style formatters for fixed- and variable-width types as pointers and |
10565 | 1358 |
// integers. These are derived from the definitions in inttypes.h. If the platform |
1359 |
// doesn't provide appropriate definitions, they should be provided in |
|
1360 |
// the compiler-specific definitions file (e.g., globalDefinitions_gcc.hpp) |
|
1 | 1361 |
|
8680 | 1362 |
#define BOOL_TO_STR(_b_) ((_b_) ? "true" : "false") |
7923 | 1363 |
|
1 | 1364 |
// Format 32-bit quantities. |
10565 | 1365 |
#define INT32_FORMAT "%" PRId32 |
1366 |
#define UINT32_FORMAT "%" PRIu32 |
|
1367 |
#define INT32_FORMAT_W(width) "%" #width PRId32 |
|
1368 |
#define UINT32_FORMAT_W(width) "%" #width PRIu32 |
|
1 | 1369 |
|
10565 | 1370 |
#define PTR32_FORMAT "0x%08" PRIx32 |
1 | 1371 |
|
1372 |
// Format 64-bit quantities. |
|
10565 | 1373 |
#define INT64_FORMAT "%" PRId64 |
1374 |
#define UINT64_FORMAT "%" PRIu64 |
|
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1375 |
#define UINT64_FORMAT_X "%" PRIx64 |
10565 | 1376 |
#define INT64_FORMAT_W(width) "%" #width PRId64 |
1377 |
#define UINT64_FORMAT_W(width) "%" #width PRIu64 |
|
1 | 1378 |
|
10565 | 1379 |
#define PTR64_FORMAT "0x%016" PRIx64 |
1 | 1380 |
|
15228
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1381 |
// Format jlong, if necessary |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1382 |
#ifndef JLONG_FORMAT |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1383 |
#define JLONG_FORMAT INT64_FORMAT |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1384 |
#endif |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1385 |
#ifndef JULONG_FORMAT |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1386 |
#define JULONG_FORMAT UINT64_FORMAT |
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1387 |
#endif |
24458
f0d4da9b062a
8042885: java does not take hexadecimal number as vm option
minqi
parents:
24457
diff
changeset
|
1388 |
#ifndef JULONG_FORMAT_X |
f0d4da9b062a
8042885: java does not take hexadecimal number as vm option
minqi
parents:
24457
diff
changeset
|
1389 |
#define JULONG_FORMAT_X UINT64_FORMAT_X |
f0d4da9b062a
8042885: java does not take hexadecimal number as vm option
minqi
parents:
24457
diff
changeset
|
1390 |
#endif |
15228
e92acc84ade3
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
14579
diff
changeset
|
1391 |
|
10565 | 1392 |
// Format pointers which change size between 32- and 64-bit. |
1 | 1393 |
#ifdef _LP64 |
10565 | 1394 |
#define INTPTR_FORMAT "0x%016" PRIxPTR |
1395 |
#define PTR_FORMAT "0x%016" PRIxPTR |
|
1 | 1396 |
#else // !_LP64 |
10565 | 1397 |
#define INTPTR_FORMAT "0x%08" PRIxPTR |
1398 |
#define PTR_FORMAT "0x%08" PRIxPTR |
|
1 | 1399 |
#endif // _LP64 |
1400 |
||
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1401 |
#define INTPTR_FORMAT_W(width) "%" #width PRIxPTR |
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24092
diff
changeset
|
1402 |
|
24092
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1403 |
#define SSIZE_FORMAT "%" PRIdPTR |
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1404 |
#define SIZE_FORMAT "%" PRIuPTR |
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1405 |
#define SIZE_FORMAT_HEX "0x%" PRIxPTR |
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1406 |
#define SSIZE_FORMAT_W(width) "%" #width PRIdPTR |
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1407 |
#define SIZE_FORMAT_W(width) "%" #width PRIuPTR |
e274d864545a
8039743: Use correct format specifier to print size_t values and pointers in the GC code
stefank
parents:
23491
diff
changeset
|
1408 |
#define SIZE_FORMAT_HEX_W(width) "0x%" #width PRIxPTR |
10565 | 1409 |
|
1410 |
#define INTX_FORMAT "%" PRIdPTR |
|
1411 |
#define UINTX_FORMAT "%" PRIuPTR |
|
1412 |
#define INTX_FORMAT_W(width) "%" #width PRIdPTR |
|
1413 |
#define UINTX_FORMAT_W(width) "%" #width PRIuPTR |
|
1414 |
||
1 | 1415 |
|
1416 |
// Enable zap-a-lot if in debug version. |
|
1417 |
||
1418 |
# ifdef ASSERT |
|
1419 |
# ifdef COMPILER2 |
|
1420 |
# define ENABLE_ZAP_DEAD_LOCALS |
|
1421 |
#endif /* COMPILER2 */ |
|
1422 |
# endif /* ASSERT */ |
|
1423 |
||
1424 |
#define ARRAY_SIZE(array) (sizeof(array)/sizeof((array)[0])) |
|
7397 | 1425 |
|
14579
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1426 |
// Dereference vptr |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1427 |
// All C++ compilers that we know of have the vtbl pointer in the first |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1428 |
// word. If there are exceptions, this function needs to be made compiler |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1429 |
// specific. |
24457
0e20b36df5c4
8038212: Method::is_valid_method() check has performance regression impact for stackwalking
coleenp
parents:
24424
diff
changeset
|
1430 |
static inline void* dereference_vptr(const void* addr) { |
14579
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1431 |
return *(void**)addr; |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1432 |
} |
7f6ce6e3dd80
8003635: NPG: AsynchGetCallTrace broken by Method* virtual call
coleenp
parents:
14487
diff
changeset
|
1433 |
|
16670
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1434 |
#ifndef PRODUCT |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1435 |
|
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1436 |
// For unit testing only |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1437 |
class GlobalDefinitions { |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1438 |
public: |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1439 |
static void test_globals(); |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1440 |
}; |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1441 |
|
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1442 |
#endif // PRODUCT |
4af09aff4237
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
15228
diff
changeset
|
1443 |
|
7397 | 1444 |
#endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_HPP |