Mercurial > hg > graal-jvmci-8
annotate src/share/vm/utilities/globalDefinitions_sparcWorks.hpp @ 23086:bf41eee321e5
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author | vlivanov |
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date | Thu, 11 Jun 2015 14:19:40 +0300 |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_UTILITIES_GLOBALDEFINITIONS_SPARCWORKS_HPP |
26 #define SHARE_VM_UTILITIES_GLOBALDEFINITIONS_SPARCWORKS_HPP | |
27 | |
28 #include "prims/jni.h" | |
29 | |
0 | 30 // This file holds compiler-dependent includes, |
31 // globally used constants & types, class (forward) | |
32 // declarations and a few frequently used utility functions. | |
33 | |
34 | |
35 # include <ctype.h> | |
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36 #define __USE_LEGACY_PROTOTYPES__ |
0 | 37 # include <dirent.h> |
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38 #undef __USE_LEGACY_PROTOTYPES__ |
0 | 39 # include <string.h> |
40 # include <strings.h> // for bsd'isms | |
41 # include <stdarg.h> | |
42 # include <stddef.h> // for offsetof | |
43 # include <stdio.h> | |
44 # include <stdlib.h> | |
45 # include <wchar.h> | |
46 # include <stdarg.h> | |
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47 #ifdef SOLARIS |
0 | 48 # include <ieeefp.h> |
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49 #endif |
0 | 50 # include <math.h> |
51 # include <time.h> | |
52 # include <fcntl.h> | |
53 # include <dlfcn.h> | |
54 # include <pthread.h> | |
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55 #ifdef SOLARIS |
0 | 56 # include <thread.h> |
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57 #endif |
0 | 58 # include <limits.h> |
59 # include <errno.h> | |
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60 #ifdef SOLARIS |
0 | 61 # include <sys/trap.h> |
62 # include <sys/regset.h> | |
63 # include <sys/procset.h> | |
64 # include <ucontext.h> | |
65 # include <setjmp.h> | |
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66 #endif |
0 | 67 # ifdef SOLARIS_MUTATOR_LIBTHREAD |
68 # include <sys/procfs.h> | |
69 # endif | |
3960 | 70 |
71 #include <inttypes.h> | |
72 | |
73 // Solaris 8 doesn't provide definitions of these | |
74 #ifdef SOLARIS | |
75 #ifndef PRIdPTR | |
76 #if defined(_LP64) | |
77 #define PRIdPTR "ld" | |
78 #define PRIuPTR "lu" | |
79 #define PRIxPTR "lx" | |
80 #else | |
81 #define PRIdPTR "d" | |
82 #define PRIuPTR "u" | |
83 #define PRIxPTR "x" | |
84 #endif | |
85 #endif | |
86 #endif | |
87 | |
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88 #ifdef LINUX |
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89 # include <signal.h> |
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90 # include <ucontext.h> |
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91 # include <sys/time.h> |
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92 #endif |
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93 |
0 | 94 |
95 // 4810578: varargs unsafe on 32-bit integer/64-bit pointer architectures | |
96 // When __cplusplus is defined, NULL is defined as 0 (32-bit constant) in | |
97 // system header files. On 32-bit architectures, there is no problem. | |
98 // On 64-bit architectures, defining NULL as a 32-bit constant can cause | |
99 // problems with varargs functions: C++ integral promotion rules say for | |
100 // varargs, we pass the argument 0 as an int. So, if NULL was passed to a | |
101 // varargs function it will remain 32-bits. Depending on the calling | |
102 // convention of the machine, if the argument is passed on the stack then | |
103 // only 32-bits of the "NULL" pointer may be initialized to zero. The | |
104 // other 32-bits will be garbage. If the varargs function is expecting a | |
105 // pointer when it extracts the argument, then we have a problem. | |
106 // | |
107 // Solution: For 64-bit architectures, redefine NULL as 64-bit constant 0. | |
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108 // |
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109 // Note: this fix doesn't work well on Linux because NULL will be overwritten |
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110 // whenever a system header file is included. Linux handles NULL correctly |
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111 // through a special type '__null'. |
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112 #ifdef SOLARIS |
0 | 113 #ifdef _LP64 |
114 #undef NULL | |
115 #define NULL 0L | |
116 #else | |
117 #ifndef NULL | |
118 #define NULL 0 | |
119 #endif | |
120 #endif | |
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121 #endif |
0 | 122 |
123 // NULL vs NULL_WORD: | |
124 // On Linux NULL is defined as a special type '__null'. Assigning __null to | |
125 // integer variable will cause gcc warning. Use NULL_WORD in places where a | |
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126 // pointer is stored as integer value. On some platforms, sizeof(intptr_t) > |
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127 // sizeof(void*), so here we want something which is integer type, but has the |
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128 // same size as a pointer. |
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129 #ifdef LINUX |
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130 #ifdef _LP64 |
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131 #define NULL_WORD 0L |
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132 #else |
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133 // Cast 0 to intptr_t rather than int32_t since they are not the same type |
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134 // on some platforms. |
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135 #define NULL_WORD ((intptr_t)0) |
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136 #endif |
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137 #else |
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138 #define NULL_WORD NULL |
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139 #endif |
0 | 140 |
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141 #ifndef LINUX |
0 | 142 // Compiler-specific primitive types |
143 typedef unsigned short uint16_t; | |
144 #ifndef _UINT32_T | |
145 #define _UINT32_T | |
146 typedef unsigned int uint32_t; | |
147 #endif | |
148 #if !defined(_SYS_INT_TYPES_H) | |
149 #ifndef _UINT64_T | |
150 #define _UINT64_T | |
151 typedef unsigned long long uint64_t; | |
152 #endif | |
153 // %%%% how to access definition of intptr_t portably in 5.5 onward? | |
154 typedef int intptr_t; | |
155 typedef unsigned int uintptr_t; | |
156 // If this gets an error, figure out a symbol XXX that implies the | |
157 // prior definition of intptr_t, and add "&& !defined(XXX)" above. | |
158 #endif | |
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159 #endif |
0 | 160 |
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161 // On solaris 8, UINTPTR_MAX is defined as empty. |
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162 // Everywhere else it's an actual value. |
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163 #if UINTPTR_MAX - 1 == -1 |
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164 #undef UINTPTR_MAX |
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165 #ifdef _LP64 |
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166 #define UINTPTR_MAX UINT64_MAX |
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167 #else |
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168 #define UINTPTR_MAX UINT32_MAX |
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169 #endif /* ifdef _LP64 */ |
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170 #endif |
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171 |
0 | 172 // Additional Java basic types |
173 | |
174 typedef unsigned char jubyte; | |
175 typedef unsigned short jushort; | |
176 typedef unsigned int juint; | |
177 typedef unsigned long long julong; | |
178 | |
179 | |
180 //---------------------------------------------------------------------------------------------------- | |
181 // Constant for jlong (specifying an long long constant is C++ compiler specific) | |
182 | |
183 // Build a 64bit integer constant | |
184 #define CONST64(x) (x ## LL) | |
185 #define UCONST64(x) (x ## ULL) | |
186 | |
187 const jlong min_jlong = CONST64(0x8000000000000000); | |
188 const jlong max_jlong = CONST64(0x7fffffffffffffff); | |
189 | |
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190 #ifdef SOLARIS |
0 | 191 //---------------------------------------------------------------------------------------------------- |
192 // ANSI C++ fixes | |
193 // NOTE:In the ANSI committee's continuing attempt to make each version | |
194 // of C++ incompatible with the previous version, you can no longer cast | |
195 // pointers to functions without specifying linkage unless you want to get | |
196 // warnings. | |
197 // | |
198 // This also means that pointers to functions can no longer be "hidden" | |
199 // in opaque types like void * because at the invokation point warnings | |
200 // will be generated. While this makes perfect sense from a type safety | |
201 // point of view it causes a lot of warnings on old code using C header | |
202 // files. Here are some typedefs to make the job of silencing warnings | |
203 // a bit easier. | |
204 // | |
205 // The final kick in the teeth is that you can only have extern "C" linkage | |
206 // specified at file scope. So these typedefs are here rather than in the | |
207 // .hpp for the class (os:Solaris usually) that needs them. | |
208 | |
209 extern "C" { | |
210 typedef int (*int_fnP_thread_t_iP_uP_stack_tP_gregset_t)(thread_t, int*, unsigned *, stack_t*, gregset_t); | |
211 typedef int (*int_fnP_thread_t_i_gregset_t)(thread_t, int, gregset_t); | |
212 typedef int (*int_fnP_thread_t_i)(thread_t, int); | |
213 typedef int (*int_fnP_thread_t)(thread_t); | |
214 | |
215 typedef int (*int_fnP_cond_tP_mutex_tP_timestruc_tP)(cond_t *cv, mutex_t *mx, timestruc_t *abst); | |
216 typedef int (*int_fnP_cond_tP_mutex_tP)(cond_t *cv, mutex_t *mx); | |
217 | |
218 // typedef for missing API in libc | |
219 typedef int (*int_fnP_mutex_tP_i_vP)(mutex_t *, int, void *); | |
220 typedef int (*int_fnP_mutex_tP)(mutex_t *); | |
221 typedef int (*int_fnP_cond_tP_i_vP)(cond_t *cv, int scope, void *arg); | |
222 typedef int (*int_fnP_cond_tP)(cond_t *cv); | |
223 }; | |
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224 #endif |
0 | 225 |
226 //---------------------------------------------------------------------------------------------------- | |
227 // Debugging | |
228 | |
229 #define DEBUG_EXCEPTION ::abort(); | |
230 | |
231 extern "C" void breakpoint(); | |
232 #define BREAKPOINT ::breakpoint() | |
233 | |
234 // checking for nanness | |
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235 #ifdef SOLARIS |
0 | 236 #ifdef SPARC |
237 inline int g_isnan(float f) { return isnanf(f); } | |
238 #else | |
239 // isnanf() broken on Intel Solaris use isnand() | |
240 inline int g_isnan(float f) { return isnand(f); } | |
241 #endif | |
242 | |
243 inline int g_isnan(double f) { return isnand(f); } | |
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244 #elif LINUX |
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245 inline int g_isnan(float f) { return isnanf(f); } |
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246 inline int g_isnan(double f) { return isnan(f); } |
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247 #else |
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248 #error "missing platform-specific definition here" |
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249 #endif |
0 | 250 |
251 // Checking for finiteness | |
252 | |
253 inline int g_isfinite(jfloat f) { return finite(f); } | |
254 inline int g_isfinite(jdouble f) { return finite(f); } | |
255 | |
256 | |
257 // Wide characters | |
258 | |
259 inline int wcslen(const jchar* x) { return wcslen((const wchar_t*)x); } | |
260 | |
261 | |
262 // Misc | |
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263 // NOTE: This one leads to an infinite recursion on Linux |
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264 #ifndef LINUX |
0 | 265 int local_vsnprintf(char* buf, size_t count, const char* fmt, va_list argptr); |
266 #define vsnprintf local_vsnprintf | |
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267 #endif |
0 | 268 |
269 // Portability macros | |
270 #define PRAGMA_INTERFACE | |
271 #define PRAGMA_IMPLEMENTATION | |
272 #define PRAGMA_IMPLEMENTATION_(arg) | |
273 #define VALUE_OBJ_CLASS_SPEC : public _ValueObj | |
274 | |
275 // Formatting. | |
276 #ifdef _LP64 | |
277 #define FORMAT64_MODIFIER "l" | |
278 #else // !_LP64 | |
279 #define FORMAT64_MODIFIER "ll" | |
280 #endif // _LP64 | |
281 | |
282 #define offset_of(klass,field) offsetof(klass,field) | |
1972 | 283 |
284 #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_SPARCWORKS_HPP |