hotspot/src/share/vm/libadt/port.hpp
author xdono
Mon, 09 Mar 2009 13:28:46 -0700
changeset 2105 347008ce7984
parent 1889 24b003a6fe46
child 5547 f4b087cbb361
permissions -rw-r--r--
6814575: Update copyright year Summary: Update copyright for files that have been modified in 2009, up to 03/09 Reviewed-by: katleman, tbell, ohair
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/*
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 * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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#ifndef _PORT_
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#define _PORT_
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// Typedefs for portable compiling
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#if defined(__GNUC__)
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#define INTERFACE       #pragma interface
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#define IMPLEMENTATION  #pragma implementation
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//INTERFACE
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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// Access to the C++ class virtual function pointer
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// Put the class in the macro
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typedef void *VPTR;
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// G++ puts it at the end of the base class
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#define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)((char*)this+sizeof(class)-sizeof(void*));}
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#elif defined(__TURBOC__)
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#include <mem.h>
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#include <string.h>
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extern "C" int stricmp(const char *, const char *);
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inline void bcopy(const void *s, void *d, int l) { memmove(d,s,l); }
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inline void bzero(void *p, int l) { memset(p,0,l); }
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inline int bcmp(const void *s, const void *d, int l) { return memcmp(s,d,l); }
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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//strcasecmp moved to globalDefinitions_visCPP.hpp
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//inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); }
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inline long abs( long x ) { return x < 0 ? -x : x; }
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// Access to the C++ class virtual function pointer
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// Put the class in the macro
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typedef void near *VPTR;
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// BorlandC puts it up front
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#define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)this;}
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#elif defined(__hpux)
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#define INTERFACE
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#define IMPLEMENTATION
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#define signed
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#include <strings.h>
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#include <stdlib.h>
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inline long min( long a, long b) { return a < b ? a : b; }
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inline long max( long a, long b) { return a > b ? a : b; }
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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inline long abs( long x ) { return x < 0 ? -x : x; }
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#elif defined(__MOTO__)
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// Motorola's mcc
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#define INTERFACE
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#define IMPLEMENTATION
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#include <stdlib.h>
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#include <memory.h>
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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#elif defined(_AIX)
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// IBM's xlC compiler
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#define INTERFACE
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#define IMPLEMENTATION
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#include <stdlib.h>
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#include <memory.h>
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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#elif defined(_MSC_VER)
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// Microsoft Visual C++
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//#define INTERFACE
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#define IMPLEMENTATION
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#include <stdlib.h>
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#undef small
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//strcasecmp moved to globalDefinitions_visCPP.hpp
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//inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); }
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#elif defined(SPARC_WORKS)
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#define INTERFACE
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#define IMPLEMENTATION
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#elif defined(SOLARIS)
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#define INTERFACE
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#define IMPLEMENTATION
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#elif defined(__TANDEM)
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// This case is for the Tandem Business Unit of Compaq Computer Corporation.
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// The Tandem case must precede the AT&T case,
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// because the Tandem c89 compiler also defines __cplusplus.
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#include "port_tandem.hpp"
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#elif defined(__cplusplus)
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// AT&Ts cfront
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#define INTERFACE
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#define IMPLEMENTATION
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#include <unistd.h>
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#define signed
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// #include <bstring.h>
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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#else  // All other machines
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#define signed
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extern "C" void bcopy(void *b1, void *b2, int len);
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inline int min( int a, int b) { return a < b ? a : b; }
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inline int max( int a, int b) { return a > b ? a : b; }
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#endif
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//-----------------------------------------------------------------------------
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// Safer memory allocations
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#ifdef SAFE_MEMORY
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#define malloc(size)        safe_malloc(__FILE__,__LINE__,size)
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#define free(ptr)           safe_free(__FILE__,__LINE__,ptr)
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#define realloc(ptr,size)   safe_realloc(__FILE__,__LINE__,ptr,size)
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#define calloc(nitems,size) safe_calloc(__FILE__,__LINE__,nitems,size)
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#define strdup(ptr)         safe_strdup(__FILE__,__LINE__,ptr)
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extern void *safe_malloc (const char *file, unsigned line, unsigned size);
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extern void  safe_free   (const char *file, unsigned line, void *ptr);
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extern void *safe_calloc (const char *file, unsigned line, unsigned nitems, unsigned size);
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extern void *safe_realloc(const char *file, unsigned line, void *ptr, unsigned size);
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extern char *safe_strdup (const char *file, unsigned line, const char *src);
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inline void *operator new( size_t size ) { return malloc(size); }
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inline void operator delete( void *ptr ) { free(ptr); }
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#endif
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//-----------------------------------------------------------------------------
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// And now, the bit-size-specified integer sizes
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typedef signed char int8;
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typedef unsigned char uint8;
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typedef unsigned char byte;
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// All uses of *int16 changed to 32-bit to speed up compiler on Intel
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//typedef signed short int16;   // Exactly 16bits signed
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//typedef unsigned short uint16;        // Exactly 16bits unsigned
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//const unsigned int min_uint16 = 0x0000;    // smallest uint16
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//const unsigned int max_uint16 = 0xFFFF;    // largest  uint16
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typedef unsigned int uint;      // When you need a fast >=16bit unsigned value
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/*typedef int int; */           // When you need a fast >=16bit value
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const unsigned int max_uint = (uint)-1;
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typedef int32_t int32;   // Exactly 32bits signed
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typedef uint32_t uint32; // Exactly 32bits unsigned
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// Bit-sized floating point and long thingies
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#ifndef __TANDEM
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// Do not define these for Tandem, because they conflict with typedefs in softieee.h.
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typedef float float32;          // 32-bit float
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typedef double float64;         // 64-bit float
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#endif // __TANDEM
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typedef jlong int64;            // Java long for my 64-bit type
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typedef julong uint64;          // Java long for my 64-bit type
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//-----------------------------------------------------------------------------
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// Nice constants
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uint32 gcd( uint32 x, uint32 y );
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int ff1( uint32 mask );
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int fh1( uint32 mask );
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uint32 rotate32( uint32 x, int32 cnt );
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//-----------------------------------------------------------------------------
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extern uint32 heap_totalmem;      // Current total memory allocation
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extern uint32 heap_highwater;     // Highwater mark to date for memory usage
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#endif // _PORT_