Mercurial > hg > truffle
annotate src/share/vm/utilities/globalDefinitions_visCPP.hpp @ 12316:190899198332
7195622: CheckUnhandledOops has limited usefulness now
Summary: Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.
Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
Contributed-by: lois.foltan@oracle.com
| author | hseigel |
|---|---|
| date | Thu, 26 Sep 2013 10:25:02 -0400 |
| parents | b9a9ed0f8eeb |
| children | de6a9e811145 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2012, 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_VISCPP_HPP |
| 26 #define SHARE_VM_UTILITIES_GLOBALDEFINITIONS_VISCPP_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 # include <ctype.h> | |
| 35 # include <string.h> | |
| 36 # include <stdarg.h> | |
| 37 # include <stdlib.h> | |
| 38 # include <stddef.h>// for offsetof | |
| 39 # include <io.h> // for stream.cpp | |
| 40 # include <float.h> // for _isnan | |
| 41 # include <stdio.h> // for va_list | |
| 42 # include <time.h> | |
| 43 # include <fcntl.h> | |
|
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44 # include <limits.h> |
| 0 | 45 // Need this on windows to get the math constants (e.g., M_PI). |
| 46 #define _USE_MATH_DEFINES | |
| 47 # include <math.h> | |
| 48 | |
| 49 // 4810578: varargs unsafe on 32-bit integer/64-bit pointer architectures | |
| 50 // When __cplusplus is defined, NULL is defined as 0 (32-bit constant) in | |
| 51 // system header files. On 32-bit architectures, there is no problem. | |
| 52 // On 64-bit architectures, defining NULL as a 32-bit constant can cause | |
| 53 // problems with varargs functions: C++ integral promotion rules say for | |
| 54 // varargs, we pass the argument 0 as an int. So, if NULL was passed to a | |
| 55 // varargs function it will remain 32-bits. Depending on the calling | |
| 56 // convention of the machine, if the argument is passed on the stack then | |
| 57 // only 32-bits of the "NULL" pointer may be initialized to zero. The | |
| 58 // other 32-bits will be garbage. If the varargs function is expecting a | |
| 59 // pointer when it extracts the argument, then we may have a problem. | |
| 60 // | |
| 61 // Solution: For 64-bit architectures, redefine NULL as 64-bit constant 0. | |
| 62 #ifdef _LP64 | |
| 63 #undef NULL | |
| 64 // 64-bit Windows uses a P64 data model (not LP64, although we define _LP64) | |
| 65 // Since longs are 32-bit we cannot use 0L here. Use the Visual C++ specific | |
| 66 // 64-bit integer-suffix (i64) instead. | |
| 67 #define NULL 0i64 | |
| 68 #else | |
| 69 #ifndef NULL | |
| 70 #define NULL 0 | |
| 71 #endif | |
| 72 #endif | |
| 73 | |
| 74 // NULL vs NULL_WORD: | |
| 75 // On Linux NULL is defined as a special type '__null'. Assigning __null to | |
| 76 // integer variable will cause gcc warning. Use NULL_WORD in places where a | |
| 77 // pointer is stored as integer value. | |
| 78 #define NULL_WORD NULL | |
| 79 | |
| 80 // Compiler-specific primitive types | |
| 81 typedef unsigned __int8 uint8_t; | |
| 82 typedef unsigned __int16 uint16_t; | |
| 83 typedef unsigned __int32 uint32_t; | |
| 84 typedef unsigned __int64 uint64_t; | |
| 85 | |
| 86 #ifdef _WIN64 | |
| 87 typedef unsigned __int64 uintptr_t; | |
| 88 #else | |
| 89 typedef unsigned int uintptr_t; | |
| 90 #endif | |
| 91 typedef signed __int8 int8_t; | |
| 92 typedef signed __int16 int16_t; | |
| 93 typedef signed __int32 int32_t; | |
| 94 typedef signed __int64 int64_t; | |
| 95 #ifdef _WIN64 | |
| 96 typedef signed __int64 intptr_t; | |
| 97 typedef signed __int64 ssize_t; | |
| 98 #else | |
| 99 typedef signed int intptr_t; | |
| 100 typedef signed int ssize_t; | |
| 101 #endif | |
| 102 | |
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103 #ifndef UINTPTR_MAX |
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104 #ifdef _WIN64 |
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105 #define UINTPTR_MAX _UI64_MAX |
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106 #else |
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107 #define UINTPTR_MAX _UI32_MAX |
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108 #endif |
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109 #endif |
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110 |
| 0 | 111 //---------------------------------------------------------------------------------------------------- |
| 112 // Additional Java basic types | |
| 113 | |
| 114 typedef unsigned char jubyte; | |
| 115 typedef unsigned short jushort; | |
| 116 typedef unsigned int juint; | |
| 117 typedef unsigned __int64 julong; | |
| 118 | |
| 119 //---------------------------------------------------------------------------------------------------- | |
| 120 // Special (possibly not-portable) casts | |
| 121 // Cast floats into same-size integers and vice-versa w/o changing bit-pattern | |
| 122 | |
| 123 inline jint jint_cast (jfloat x) { return *(jint* )&x; } | |
| 124 inline jlong jlong_cast (jdouble x) { return *(jlong* )&x; } | |
| 125 | |
| 126 inline jfloat jfloat_cast (jint x) { return *(jfloat* )&x; } | |
| 127 inline jdouble jdouble_cast(jlong x) { return *(jdouble*)&x; } | |
| 128 | |
| 129 | |
| 130 //---------------------------------------------------------------------------------------------------- | |
| 131 // Non-standard stdlib-like stuff: | |
| 132 inline int strcasecmp(const char *s1, const char *s2) { return _stricmp(s1,s2); } | |
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133 inline int strncasecmp(const char *s1, const char *s2, size_t n) { |
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134 return _strnicmp(s1,s2,n); |
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135 } |
| 0 | 136 |
| 137 | |
| 138 //---------------------------------------------------------------------------------------------------- | |
| 139 // Debugging | |
| 140 | |
| 141 #if _WIN64 | |
| 142 extern "C" void breakpoint(); | |
| 143 #define BREAKPOINT ::breakpoint() | |
| 144 #else | |
| 145 #define BREAKPOINT __asm { int 3 } | |
| 146 #endif | |
| 147 | |
| 148 //---------------------------------------------------------------------------------------------------- | |
| 149 // Checking for nanness | |
| 150 | |
| 151 inline int g_isnan(jfloat f) { return _isnan(f); } | |
| 152 inline int g_isnan(jdouble f) { return _isnan(f); } | |
| 153 | |
| 154 //---------------------------------------------------------------------------------------------------- | |
| 155 // Checking for finiteness | |
| 156 | |
| 157 inline int g_isfinite(jfloat f) { return _finite(f); } | |
| 158 inline int g_isfinite(jdouble f) { return _finite(f); } | |
| 159 | |
| 160 //---------------------------------------------------------------------------------------------------- | |
| 161 // Constant for jlong (specifying an long long constant is C++ compiler specific) | |
| 162 | |
| 163 // Build a 64bit integer constant on with Visual C++ | |
| 164 #define CONST64(x) (x ## i64) | |
| 165 #define UCONST64(x) ((uint64_t)CONST64(x)) | |
| 166 | |
| 167 const jlong min_jlong = CONST64(0x8000000000000000); | |
| 168 const jlong max_jlong = CONST64(0x7fffffffffffffff); | |
| 169 | |
| 170 //---------------------------------------------------------------------------------------------------- | |
| 171 // Miscellaneous | |
| 172 | |
| 173 // Visual Studio 2005 deprecates POSIX names - use ISO C++ names instead | |
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174 #if _MSC_VER >= 1400 |
| 0 | 175 #define open _open |
| 176 #define close _close | |
| 177 #define read _read | |
| 178 #define write _write | |
| 179 #define lseek _lseek | |
| 180 #define unlink _unlink | |
| 181 #define strdup _strdup | |
| 182 #endif | |
| 183 | |
| 184 #pragma warning( disable : 4100 ) // unreferenced formal parameter | |
| 185 #pragma warning( disable : 4127 ) // conditional expression is constant | |
| 186 #pragma warning( disable : 4514 ) // unreferenced inline function has been removed | |
| 187 #pragma warning( disable : 4244 ) // possible loss of data | |
| 188 #pragma warning( disable : 4512 ) // assignment operator could not be generated | |
| 189 #pragma warning( disable : 4201 ) // nonstandard extension used : nameless struct/union (needed in windows.h) | |
| 190 #pragma warning( disable : 4511 ) // copy constructor could not be generated | |
| 191 #pragma warning( disable : 4291 ) // no matching operator delete found; memory will not be freed if initialization thows an exception | |
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192 #ifdef CHECK_UNHANDLED_OOPS |
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193 #pragma warning( disable : 4521 ) // class has multiple copy ctors of a single type |
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194 #pragma warning( disable : 4522 ) // class has multiple assignment operators of a single type |
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195 #endif // CHECK_UNHANDLED_OOPS |
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196 #if _MSC_VER >= 1400 |
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197 #pragma warning( disable : 4996 ) // unsafe string functions. Same as define _CRT_SECURE_NO_WARNINGS/_CRT_SECURE_NO_DEPRICATE |
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198 #endif |
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199 |
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200 inline int vsnprintf(char* buf, size_t count, const char* fmt, va_list argptr) { |
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201 // If number of characters written == count, Windows doesn't write a |
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202 // terminating NULL, so we do it ourselves. |
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203 int ret = _vsnprintf(buf, count, fmt, argptr); |
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204 if (count > 0) buf[count-1] = '\0'; |
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205 return ret; |
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206 } |
| 0 | 207 |
| 208 // Portability macros | |
| 209 #define PRAGMA_INTERFACE | |
| 210 #define PRAGMA_IMPLEMENTATION | |
| 211 #define PRAGMA_IMPLEMENTATION_(arg) | |
| 212 #define VALUE_OBJ_CLASS_SPEC : public _ValueObj | |
| 213 | |
| 214 // Formatting. | |
| 215 #define FORMAT64_MODIFIER "I64" | |
| 216 | |
| 3960 | 217 // Visual Studio doesn't provide inttypes.h so provide appropriate definitions here. |
| 218 // The 32 bits ones might need I32 but seem to work ok without it. | |
| 219 #define PRId32 "d" | |
| 220 #define PRIu32 "u" | |
| 221 #define PRIx32 "x" | |
| 222 | |
| 223 #define PRId64 "I64d" | |
| 224 #define PRIu64 "I64u" | |
| 225 #define PRIx64 "I64x" | |
| 226 | |
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227 #ifdef _LP64 |
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228 #define PRIdPTR "I64d" |
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229 #define PRIuPTR "I64u" |
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230 #define PRIxPTR "I64x" |
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231 #else |
| 3960 | 232 #define PRIdPTR "d" |
| 233 #define PRIuPTR "u" | |
| 234 #define PRIxPTR "x" | |
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235 #endif |
| 3960 | 236 |
| 0 | 237 #define offset_of(klass,field) offsetof(klass,field) |
| 1972 | 238 |
| 239 #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_VISCPP_HPP |