| /* |
| * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_UTILITIES_GLOBALDEFINITIONS_VISCPP_HPP |
| #define SHARE_VM_UTILITIES_GLOBALDEFINITIONS_VISCPP_HPP |
| |
| #include "prims/jni.h" |
| |
| // This file holds compiler-dependent includes, |
| // globally used constants & types, class (forward) |
| // declarations and a few frequently used utility functions. |
| |
| # include <ctype.h> |
| # include <string.h> |
| # include <stdarg.h> |
| # include <stdlib.h> |
| # include <stddef.h>// for offsetof |
| # include <io.h> // for stream.cpp |
| # include <float.h> // for _isnan |
| # include <stdio.h> // for va_list |
| # include <time.h> |
| # include <fcntl.h> |
| # include <limits.h> |
| // Need this on windows to get the math constants (e.g., M_PI). |
| #define _USE_MATH_DEFINES |
| # include <math.h> |
| |
| // 4810578: varargs unsafe on 32-bit integer/64-bit pointer architectures |
| // When __cplusplus is defined, NULL is defined as 0 (32-bit constant) in |
| // system header files. On 32-bit architectures, there is no problem. |
| // On 64-bit architectures, defining NULL as a 32-bit constant can cause |
| // problems with varargs functions: C++ integral promotion rules say for |
| // varargs, we pass the argument 0 as an int. So, if NULL was passed to a |
| // varargs function it will remain 32-bits. Depending on the calling |
| // convention of the machine, if the argument is passed on the stack then |
| // only 32-bits of the "NULL" pointer may be initialized to zero. The |
| // other 32-bits will be garbage. If the varargs function is expecting a |
| // pointer when it extracts the argument, then we may have a problem. |
| // |
| // Solution: For 64-bit architectures, redefine NULL as 64-bit constant 0. |
| #ifdef _LP64 |
| #undef NULL |
| // 64-bit Windows uses a P64 data model (not LP64, although we define _LP64) |
| // Since longs are 32-bit we cannot use 0L here. Use the Visual C++ specific |
| // 64-bit integer-suffix (i64) instead. |
| #define NULL 0i64 |
| #else |
| #ifndef NULL |
| #define NULL 0 |
| #endif |
| #endif |
| |
| // NULL vs NULL_WORD: |
| // On Linux NULL is defined as a special type '__null'. Assigning __null to |
| // integer variable will cause gcc warning. Use NULL_WORD in places where a |
| // pointer is stored as integer value. |
| #define NULL_WORD NULL |
| |
| // Compiler-specific primitive types |
| typedef unsigned __int8 uint8_t; |
| typedef unsigned __int16 uint16_t; |
| typedef unsigned __int32 uint32_t; |
| typedef unsigned __int64 uint64_t; |
| |
| #ifdef _WIN64 |
| typedef unsigned __int64 uintptr_t; |
| #else |
| typedef unsigned int uintptr_t; |
| #endif |
| typedef signed __int8 int8_t; |
| typedef signed __int16 int16_t; |
| typedef signed __int32 int32_t; |
| typedef signed __int64 int64_t; |
| #ifdef _WIN64 |
| typedef signed __int64 intptr_t; |
| typedef signed __int64 ssize_t; |
| #else |
| typedef signed int intptr_t; |
| typedef signed int ssize_t; |
| #endif |
| |
| #ifndef UINTPTR_MAX |
| #ifdef _WIN64 |
| #define UINTPTR_MAX _UI64_MAX |
| #else |
| #define UINTPTR_MAX _UI32_MAX |
| #endif |
| #endif |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Additional Java basic types |
| |
| typedef unsigned char jubyte; |
| typedef unsigned short jushort; |
| typedef unsigned int juint; |
| typedef unsigned __int64 julong; |
| |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Non-standard stdlib-like stuff: |
| inline int strcasecmp(const char *s1, const char *s2) { return _stricmp(s1,s2); } |
| inline int strncasecmp(const char *s1, const char *s2, size_t n) { |
| return _strnicmp(s1,s2,n); |
| } |
| |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Debugging |
| |
| #if _WIN64 |
| extern "C" void breakpoint(); |
| #define BREAKPOINT ::breakpoint() |
| #else |
| #define BREAKPOINT __asm { int 3 } |
| #endif |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Checking for nanness |
| |
| inline int g_isnan(jfloat f) { return _isnan(f); } |
| inline int g_isnan(jdouble f) { return _isnan(f); } |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Checking for finiteness |
| |
| inline int g_isfinite(jfloat f) { return _finite(f); } |
| inline int g_isfinite(jdouble f) { return _finite(f); } |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Constant for jlong (specifying a long long constant is C++ compiler specific) |
| |
| // Build a 64bit integer constant with Visual C++ |
| #define CONST64(x) (x ## i64) |
| #define UCONST64(x) (x ## ui64) |
| |
| const jlong min_jlong = (jlong)UCONST64(0x8000000000000000); |
| const jlong max_jlong = CONST64(0x7fffffffffffffff); |
| |
| //---------------------------------------------------------------------------------------------------- |
| // Miscellaneous |
| |
| // Visual Studio 2005 deprecates POSIX names - use ISO C++ names instead |
| #if _MSC_VER >= 1400 |
| #define open _open |
| #define close _close |
| #define read _read |
| #define write _write |
| #define lseek _lseek |
| #define unlink _unlink |
| #define strdup _strdup |
| #endif |
| |
| #if _MSC_VER < 1800 |
| // Visual Studio 2013 introduced strtoull(); before, one has to use _strtoui64() instead. |
| #define strtoull _strtoui64 |
| // Visual Studio prior to 2013 had no va_copy, but could safely copy va_list by assignement |
| #define va_copy(dest, src) dest = src |
| // Fixes some wrong warnings about 'this' : used in base member initializer list |
| #pragma warning( disable : 4355 ) |
| #endif |
| |
| |
| #pragma warning( disable : 4100 ) // unreferenced formal parameter |
| #pragma warning( disable : 4127 ) // conditional expression is constant |
| #pragma warning( disable : 4514 ) // unreferenced inline function has been removed |
| #pragma warning( disable : 4244 ) // possible loss of data |
| #pragma warning( disable : 4512 ) // assignment operator could not be generated |
| #pragma warning( disable : 4201 ) // nonstandard extension used : nameless struct/union (needed in windows.h) |
| #pragma warning( disable : 4511 ) // copy constructor could not be generated |
| #pragma warning( disable : 4291 ) // no matching operator delete found; memory will not be freed if initialization thows an exception |
| #ifdef CHECK_UNHANDLED_OOPS |
| #pragma warning( disable : 4521 ) // class has multiple copy ctors of a single type |
| #pragma warning( disable : 4522 ) // class has multiple assignment operators of a single type |
| #endif // CHECK_UNHANDLED_OOPS |
| #if _MSC_VER >= 1400 |
| #pragma warning( disable : 4996 ) // unsafe string functions. Same as define _CRT_SECURE_NO_WARNINGS/_CRT_SECURE_NO_DEPRICATE |
| #endif |
| |
| inline int vsnprintf(char* buf, size_t count, const char* fmt, va_list argptr) { |
| // If number of characters written == count, Windows doesn't write a |
| // terminating NULL, so we do it ourselves. |
| int ret = _vsnprintf(buf, count, fmt, argptr); |
| if (count > 0) buf[count-1] = '\0'; |
| return ret; |
| } |
| |
| // Portability macros |
| #define PRAGMA_INTERFACE |
| #define PRAGMA_IMPLEMENTATION |
| #define PRAGMA_IMPLEMENTATION_(arg) |
| #define VALUE_OBJ_CLASS_SPEC : public _ValueObj |
| |
| // Formatting. |
| #define FORMAT64_MODIFIER "I64" |
| |
| // Visual Studio doesn't provide inttypes.h so provide appropriate definitions here. |
| // The 32 bits ones might need I32 but seem to work ok without it. |
| #define PRId32 "d" |
| #define PRIu32 "u" |
| #define PRIx32 "x" |
| |
| #define PRId64 "I64d" |
| #define PRIu64 "I64u" |
| #define PRIx64 "I64x" |
| |
| #ifdef _LP64 |
| #define PRIdPTR "I64d" |
| #define PRIuPTR "I64u" |
| #define PRIxPTR "I64x" |
| #else |
| #define PRIdPTR "d" |
| #define PRIuPTR "u" |
| #define PRIxPTR "x" |
| #endif |
| |
| #define offset_of(klass,field) offsetof(klass,field) |
| |
| #ifndef USE_LIBRARY_BASED_TLS_ONLY |
| #define THREAD_LOCAL_DECL __declspec( thread ) |
| #endif |
| |
| // Inlining support |
| // MSVC has '__declspec(noinline)' but according to the official documentation |
| // it only applies to member functions. There are reports though which pretend |
| // that it also works for freestanding functions. |
| #define NOINLINE __declspec(noinline) |
| #define ALWAYSINLINE __forceinline |
| |
| #endif // SHARE_VM_UTILITIES_GLOBALDEFINITIONS_VISCPP_HPP |