hotspot/src/share/vm/libadt/port.hpp
changeset 25037 aab9af9818ae
parent 25036 b199d4267ef0
parent 24615 74eb0778e4f2
child 25038 cb2bdbbfbb2d
equal deleted inserted replaced
25036:b199d4267ef0 25037:aab9af9818ae
     1 /*
       
     2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
       
     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  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  *
       
    23  */
       
    24 
       
    25 #ifndef SHARE_VM_LIBADT_PORT_HPP
       
    26 #define SHARE_VM_LIBADT_PORT_HPP
       
    27 
       
    28 #include "utilities/top.hpp"
       
    29 
       
    30 // Typedefs for portable compiling
       
    31 
       
    32 #if defined(__GNUC__)
       
    33 
       
    34 #define INTERFACE       #pragma interface
       
    35 #define IMPLEMENTATION  #pragma implementation
       
    36 //INTERFACE
       
    37 #include <stddef.h>
       
    38 #include <stdlib.h>
       
    39 #include <string.h>
       
    40 
       
    41 // Access to the C++ class virtual function pointer
       
    42 // Put the class in the macro
       
    43 typedef void *VPTR;
       
    44 // G++ puts it at the end of the base class
       
    45 #define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)((char*)this+sizeof(class)-sizeof(void*));}
       
    46 
       
    47 #elif defined(__TURBOC__)
       
    48 
       
    49 #include <mem.h>
       
    50 #include <string.h>
       
    51 extern "C" int stricmp(const char *, const char *);
       
    52 inline void bcopy(const void *s, void *d, int l) { memmove(d,s,l); }
       
    53 inline void bzero(void *p, int l) { memset(p,0,l); }
       
    54 inline int bcmp(const void *s, const void *d, int l) { return memcmp(s,d,l); }
       
    55 inline int min( int a, int b) { return a < b ? a : b; }
       
    56 inline int max( int a, int b) { return a > b ? a : b; }
       
    57 //strcasecmp moved to globalDefinitions_visCPP.hpp
       
    58 //inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); }
       
    59 inline long abs( long x ) { return x < 0 ? -x : x; }
       
    60 // Access to the C++ class virtual function pointer
       
    61 // Put the class in the macro
       
    62 typedef void near *VPTR;
       
    63 // BorlandC puts it up front
       
    64 #define ACCESS_VPTR(class) VPTR&vptr(){return*(VPTR*)this;}
       
    65 
       
    66 #elif defined(__hpux)
       
    67 
       
    68 #define INTERFACE
       
    69 #define IMPLEMENTATION
       
    70 #define signed
       
    71 #include <strings.h>
       
    72 #include <stdlib.h>
       
    73 inline long min( long a, long b) { return a < b ? a : b; }
       
    74 inline long max( long a, long b) { return a > b ? a : b; }
       
    75 inline int min( int a, int b) { return a < b ? a : b; }
       
    76 inline int max( int a, int b) { return a > b ? a : b; }
       
    77 inline long abs( long x ) { return x < 0 ? -x : x; }
       
    78 
       
    79 #elif defined(__MOTO__)
       
    80 // Motorola's mcc
       
    81 #define INTERFACE
       
    82 #define IMPLEMENTATION
       
    83 #include <stdlib.h>
       
    84 #include <memory.h>
       
    85 inline int min( int a, int b) { return a < b ? a : b; }
       
    86 inline int max( int a, int b) { return a > b ? a : b; }
       
    87 
       
    88 #elif defined(_AIX)
       
    89 // IBM's xlC compiler
       
    90 #define INTERFACE
       
    91 #define IMPLEMENTATION
       
    92 #include <stdlib.h>
       
    93 #include <memory.h>
       
    94 
       
    95 #elif defined(_MSC_VER)
       
    96 // Microsoft Visual C++
       
    97 //#define INTERFACE
       
    98 #define IMPLEMENTATION
       
    99 #include <stdlib.h>
       
   100 #undef small
       
   101 //strcasecmp moved to globalDefinitions_visCPP.hpp
       
   102 //inline int strcasecmp(const char *s1, const char *s2) { return stricmp(s1,s2); }
       
   103 
       
   104 
       
   105 #elif defined(SPARC_WORKS)
       
   106 
       
   107 #define INTERFACE
       
   108 #define IMPLEMENTATION
       
   109 
       
   110 #include <stddef.h>
       
   111 #include <stdlib.h>
       
   112 #include <string.h>
       
   113 
       
   114 #elif defined(SOLARIS)
       
   115 
       
   116 #define INTERFACE
       
   117 #define IMPLEMENTATION
       
   118 
       
   119 #include <stddef.h>
       
   120 #include <stdlib.h>
       
   121 #include <string.h>
       
   122 
       
   123 
       
   124 #elif defined(__TANDEM)
       
   125 
       
   126 // This case is for the Tandem Business Unit of Compaq Computer Corporation.
       
   127 // The Tandem case must precede the AT&T case,
       
   128 // because the Tandem c89 compiler also defines __cplusplus.
       
   129 
       
   130 #include "port_tandem.hpp"
       
   131 
       
   132 #elif defined(__cplusplus)
       
   133 // AT&Ts cfront
       
   134 #define INTERFACE
       
   135 #define IMPLEMENTATION
       
   136 #include <unistd.h>
       
   137 #define signed
       
   138 // #include <bstring.h>
       
   139 inline int min( int a, int b) { return a < b ? a : b; }
       
   140 inline int max( int a, int b) { return a > b ? a : b; }
       
   141 
       
   142 #else  // All other machines
       
   143 
       
   144 #define signed
       
   145 extern "C" void bcopy(void *b1, void *b2, int len);
       
   146 inline int min( int a, int b) { return a < b ? a : b; }
       
   147 inline int max( int a, int b) { return a > b ? a : b; }
       
   148 
       
   149 #endif
       
   150 
       
   151 //-----------------------------------------------------------------------------
       
   152 // Safer memory allocations
       
   153 #ifdef SAFE_MEMORY
       
   154 #define malloc(size)        safe_malloc(__FILE__,__LINE__,size)
       
   155 #define free(ptr)           safe_free(__FILE__,__LINE__,ptr)
       
   156 #define realloc(ptr,size)   safe_realloc(__FILE__,__LINE__,ptr,size)
       
   157 #define calloc(nitems,size) safe_calloc(__FILE__,__LINE__,nitems,size)
       
   158 #define strdup(ptr)         safe_strdup(__FILE__,__LINE__,ptr)
       
   159 extern void *safe_malloc (const char *file, unsigned line, unsigned size);
       
   160 extern void  safe_free   (const char *file, unsigned line, void *ptr);
       
   161 extern void *safe_calloc (const char *file, unsigned line, unsigned nitems, unsigned size);
       
   162 extern void *safe_realloc(const char *file, unsigned line, void *ptr, unsigned size);
       
   163 extern char *safe_strdup (const char *file, unsigned line, const char *src);
       
   164 inline void *operator new( size_t size ) throw() { return malloc(size); }
       
   165 inline void operator delete( void *ptr )         { free(ptr); }
       
   166 #endif
       
   167 
       
   168 //-----------------------------------------------------------------------------
       
   169 // And now, the bit-size-specified integer sizes
       
   170 typedef signed char int8;
       
   171 typedef unsigned char uint8;
       
   172 typedef unsigned char byte;
       
   173 
       
   174 // All uses of *int16 changed to 32-bit to speed up compiler on Intel
       
   175 //typedef signed short int16;   // Exactly 16bits signed
       
   176 //typedef unsigned short uint16;        // Exactly 16bits unsigned
       
   177 //const unsigned int min_uint16 = 0x0000;    // smallest uint16
       
   178 //const unsigned int max_uint16 = 0xFFFF;    // largest  uint16
       
   179 
       
   180 typedef unsigned int uint;      // When you need a fast >=16bit unsigned value
       
   181 /*typedef int int; */           // When you need a fast >=16bit value
       
   182 const unsigned int max_uint = (uint)-1;
       
   183 typedef int32_t int32;   // Exactly 32bits signed
       
   184 typedef uint32_t uint32; // Exactly 32bits unsigned
       
   185 
       
   186 // Bit-sized floating point and long thingies
       
   187 #ifndef __TANDEM
       
   188 // Do not define these for Tandem, because they conflict with typedefs in softieee.h.
       
   189 typedef float float32;          // 32-bit float
       
   190 typedef double float64;         // 64-bit float
       
   191 #endif // __TANDEM
       
   192 
       
   193 typedef jlong int64;            // Java long for my 64-bit type
       
   194 typedef julong uint64;          // Java long for my 64-bit type
       
   195 
       
   196 //-----------------------------------------------------------------------------
       
   197 // Nice constants
       
   198 uint32 gcd( uint32 x, uint32 y );
       
   199 int ff1( uint32 mask );
       
   200 int fh1( uint32 mask );
       
   201 uint32 rotate32( uint32 x, int32 cnt );
       
   202 
       
   203 
       
   204 //-----------------------------------------------------------------------------
       
   205 extern uint32 heap_totalmem;      // Current total memory allocation
       
   206 extern uint32 heap_highwater;     // Highwater mark to date for memory usage
       
   207 
       
   208 #endif // SHARE_VM_LIBADT_PORT_HPP