169 lines
4.9 KiB
C++
169 lines
4.9 KiB
C++
/*
|
|
* Copyright (c) 1998, 2020, 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_UTILITIES_GLOBALDEFINITIONS_GCC_HPP
|
|
#define SHARE_UTILITIES_GLOBALDEFINITIONS_GCC_HPP
|
|
|
|
#include "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 <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
|
|
#include <math.h>
|
|
#include <time.h>
|
|
#include <fcntl.h>
|
|
#include <dlfcn.h>
|
|
#include <pthread.h>
|
|
|
|
#include <limits.h>
|
|
#include <errno.h>
|
|
|
|
#if defined(LINUX) || defined(_ALLBSD_SOURCE)
|
|
#include <inttypes.h>
|
|
#include <signal.h>
|
|
#ifndef __OpenBSD__
|
|
#include <ucontext.h>
|
|
#endif
|
|
#ifdef __APPLE__
|
|
#include <AvailabilityMacros.h>
|
|
#include <mach/mach.h>
|
|
#endif
|
|
#include <sys/time.h>
|
|
#endif // LINUX || _ALLBSD_SOURCE
|
|
|
|
// 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. On some platforms, sizeof(intptr_t) >
|
|
// sizeof(void*), so here we want something which is integer type, but has the
|
|
// same size as a pointer.
|
|
#ifdef __GNUC__
|
|
#ifdef _LP64
|
|
#define NULL_WORD 0L
|
|
#else
|
|
// Cast 0 to intptr_t rather than int32_t since they are not the same type
|
|
// on platforms such as Mac OS X.
|
|
#define NULL_WORD ((intptr_t)0)
|
|
#endif
|
|
#else
|
|
#define NULL_WORD NULL
|
|
#endif
|
|
|
|
#if !defined(LINUX) && !defined(_ALLBSD_SOURCE)
|
|
// Compiler-specific primitive types
|
|
typedef unsigned short uint16_t;
|
|
#ifndef _UINT32_T
|
|
#define _UINT32_T
|
|
typedef unsigned int uint32_t;
|
|
#endif // _UINT32_T
|
|
|
|
#if !defined(_SYS_INT_TYPES_H)
|
|
#ifndef _UINT64_T
|
|
#define _UINT64_T
|
|
typedef unsigned long long uint64_t;
|
|
#endif // _UINT64_T
|
|
// %%%% how to access definition of intptr_t portably in 5.5 onward?
|
|
typedef int intptr_t;
|
|
typedef unsigned int uintptr_t;
|
|
// If this gets an error, figure out a symbol XXX that implies the
|
|
// prior definition of intptr_t, and add "&& !defined(XXX)" above.
|
|
#endif // _SYS_INT_TYPES_H
|
|
|
|
#endif // !LINUX && !_ALLBSD_SOURCE
|
|
|
|
// Additional Java basic types
|
|
|
|
typedef uint8_t jubyte;
|
|
typedef uint16_t jushort;
|
|
typedef uint32_t juint;
|
|
typedef uint64_t julong;
|
|
|
|
// checking for nanness
|
|
#if defined(__APPLE__)
|
|
inline int g_isnan(double f) { return isnan(f); }
|
|
#elif defined(LINUX) || defined(_ALLBSD_SOURCE)
|
|
inline int g_isnan(float f) { return isnan(f); }
|
|
inline int g_isnan(double f) { return isnan(f); }
|
|
#else
|
|
#error "missing platform-specific definition here"
|
|
#endif
|
|
|
|
#define CAN_USE_NAN_DEFINE 1
|
|
|
|
|
|
// Checking for finiteness
|
|
|
|
inline int g_isfinite(jfloat f) { return isfinite(f); }
|
|
inline int g_isfinite(jdouble f) { return isfinite(f); }
|
|
|
|
|
|
// Wide characters
|
|
|
|
inline int wcslen(const jchar* x) { return wcslen((const wchar_t*)x); }
|
|
|
|
|
|
// Formatting.
|
|
#ifdef _LP64
|
|
# ifdef __APPLE__
|
|
# define FORMAT64_MODIFIER "ll"
|
|
# else
|
|
# define FORMAT64_MODIFIER "l"
|
|
# endif
|
|
#else // !_LP64
|
|
#define FORMAT64_MODIFIER "ll"
|
|
#endif // _LP64
|
|
|
|
// gcc warns about applying offsetof() to non-POD object or calculating
|
|
// offset directly when base address is NULL. Use 16 to get around the
|
|
// warning. The -Wno-invalid-offsetof option could be used to suppress
|
|
// this warning, but we instead just avoid the use of offsetof().
|
|
#define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
|
|
|
|
#if defined(_LP64) && defined(__APPLE__)
|
|
#define JLONG_FORMAT "%ld"
|
|
#define JLONG_FORMAT_W(width) "%" #width "ld"
|
|
#endif // _LP64 && __APPLE__
|
|
|
|
#define THREAD_LOCAL __thread
|
|
|
|
// Inlining support
|
|
#define NOINLINE __attribute__ ((noinline))
|
|
#define ALWAYSINLINE inline __attribute__ ((always_inline))
|
|
#define ATTRIBUTE_FLATTEN __attribute__ ((flatten))
|
|
|
|
// Alignment
|
|
//
|
|
#define ATTRIBUTE_ALIGNED(x) __attribute__((aligned(x)))
|
|
|
|
#endif // SHARE_UTILITIES_GLOBALDEFINITIONS_GCC_HPP
|