149 lines
4.6 KiB
C++
149 lines
4.6 KiB
C++
/*
|
|
* Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2012, 2019 SAP SE. 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_XLC_HPP
|
|
#define SHARE_UTILITIES_GLOBALDEFINITIONS_XLC_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>
|
|
|
|
#include <stdint.h>
|
|
|
|
// check for xlc16 or higher
|
|
#ifdef __ibmxl_version__
|
|
#if __ibmxl_version__ < 16
|
|
#error "xlc < 16 not supported"
|
|
#endif
|
|
#else
|
|
#error "xlc < 16 not supported, macro __ibmxl_version__ not found"
|
|
#endif
|
|
|
|
#ifndef _AIX
|
|
#error "missing AIX-specific definition _AIX"
|
|
#endif
|
|
|
|
// Use XLC compiler builtins instead of inline assembler
|
|
#define USE_XLC_BUILTINS
|
|
|
|
#ifdef USE_XLC_BUILTINS
|
|
#include <builtins.h>
|
|
// XLC V10 and higher provide the prototype for __dcbtst (void *);
|
|
#endif // USE_XLC_BUILTINS
|
|
|
|
// NULL vs NULL_WORD:
|
|
// Some platform/tool-chain combinations can't assign NULL to an integer
|
|
// type so we define NULL_WORD to use in those contexts. For xlc they are the same.
|
|
#define NULL_WORD NULL
|
|
|
|
// AIX also needs a 64 bit NULL to work as a null address pointer.
|
|
// Most system includes on AIX would define it as an int 0 if not already defined with one
|
|
// exception: /usr/include/dirent.h will unconditionally redefine NULL to int 0 again.
|
|
// In this case you need to copy the following defines to a position after #include <dirent.h>
|
|
#include <dirent.h>
|
|
#ifdef _LP64
|
|
#undef NULL
|
|
#define NULL 0L
|
|
#else
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
#endif
|
|
|
|
// Compiler-specific primitive types
|
|
// All defs of int (uint16_6 etc) are defined in AIX' /usr/include/stdint.h
|
|
|
|
// Additional Java basic types
|
|
|
|
typedef uint8_t jubyte;
|
|
typedef uint16_t jushort;
|
|
typedef uint32_t juint;
|
|
typedef uint64_t julong;
|
|
|
|
// checking for nanness
|
|
inline int g_isnan(float f) { return isnan(f); }
|
|
inline int g_isnan(double 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); }
|
|
|
|
// Wide characters
|
|
inline int wcslen(const jchar* x) { return wcslen((const wchar_t*)x); }
|
|
|
|
|
|
// Formatting.
|
|
#ifdef _LP64
|
|
#define FORMAT64_MODIFIER "l"
|
|
#else // !_LP64
|
|
#define FORMAT64_MODIFIER "ll"
|
|
#endif // _LP64
|
|
|
|
// Cannot use xlc's offsetof as implementation of hotspot's
|
|
// offset_of(), because xlc warns about applying offsetof() to non-POD
|
|
// object and xlc cannot compile the expression offsetof(DataLayout,
|
|
// _cells[index]) in DataLayout::cell_offset() . Therefore we define
|
|
// offset_of as it is defined for gcc.
|
|
#define offset_of(klass,field) (size_t)((intx)&(((klass*)16)->field) - 16)
|
|
|
|
// AIX 5.3 has buggy __thread support. (see JDK-8176442).
|
|
#define USE_LIBRARY_BASED_TLS_ONLY 1
|
|
|
|
// Inlining support
|
|
//
|
|
// Be aware that for function/method declarations, xlC only supports the following
|
|
// syntax (i.e. the attribute must be placed AFTER the function/method declarator):
|
|
//
|
|
// void* operator new(size_t size) throw() NOINLINE;
|
|
//
|
|
// For function/method defintions, the more common placement BEFORE the
|
|
// function/method declarator seems to be supported as well:
|
|
//
|
|
// NOINLINE void* CHeapObj<F>::operator new(size_t size) throw() {...}
|
|
|
|
#define NOINLINE __attribute__((__noinline__))
|
|
#define ALWAYSINLINE inline __attribute__((__always_inline__))
|
|
|
|
#endif // SHARE_UTILITIES_GLOBALDEFINITIONS_XLC_HPP
|