1 /*

     2  * Copyright 1994-2002 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 

    26 #ifndef _JAVASOFT_TYPEDEFS_H_

    27 #define _JAVASOFT_TYPEDEFS_H_

    28 

    29 #include "typedefs_md.h"        /* for int64_t */

    30 

    31 /*

    32  * Macros to deal with the JavaVM's stack alignment. Many machines

    33  * require doublewords to be double aligned.  This union is used by

    34  * code in math.h as a more portable way do alingnment on machines

    35  * that require it.  This union and the macros that use it came from

    36  * Netscape.

    37  */

    38 

    39 #ifdef HAVE_ALIGNED_LONGLONGS

    40 #define GET_INT64(_t,_addr)                                \

    41         ((((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \

    42          (((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \

    43          (_t).j )

    44 #define SET_INT64(_t, _addr, _v)                           \

    45         ( (_t).j = (_v),                                   \

    46           ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0],  \

    47           ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] )

    48 #else

    49 #define GET_INT64(_t,_addr) (*(int64_t*)(_addr))

    50 #define SET_INT64(_t, _addr, _v) (*(int64_t*)(_addr) = (_v))

    51 #endif

    52 

    53 /* If double's must be aligned on doubleword boundaries then define this */

    54 #ifdef HAVE_ALIGNED_DOUBLES

    55 #define GET_DOUBLE(_t,_addr)                               \

    56         ((((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \

    57          (((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \

    58          (_t).d )

    59 #define SET_DOUBLE(_t, _addr, _v)                          \

    60         ( (_t).d = (_v),                                   \

    61           ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0],  \

    62           ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] )

    63 #else

    64 #define GET_DOUBLE(_t,_addr) (*(jdouble*)(_addr))

    65 #define SET_DOUBLE(_t, _addr, _v) (*(jdouble*)(_addr) = (_v))

    66 #endif

    67 

    68 /* If pointers are 64bits then define this */

    69 #ifdef HAVE_64BIT_POINTERS

    70 #define GET_HANDLE(_t,_addr)                               \

    71         ( ((int32_t*) &(_t))[0] = ((int32_t*)(_addr))[0]), \

    72           ((int32_t*) &(_t))[1] = ((int32_t*)(_addr))[1]), \

    73           (void*) (_t).l )

    74 #define SET_HANDLE(_t, _addr, _v)                          \

    75         ( *(void**) &((_t).l) = (_v),                      \

    76           ((int32_t*)(_addr))[0] = ((int32_t*) &(_t))[0],  \

    77           ((int32_t*)(_addr))[1] = ((int32_t*) &(_t))[1] )

    78 #else

    79 #define GET_HANDLE(_t,_addr) (*(JHandle*)(_addr))

    80 #define SET_HANDLE(_t, _addr, _v) (*(JHandle*)(_addr) = (_v))

    81 #endif

    82 

    83 

    84 /*

    85  *   Printf-style formatters for fixed- and variable-width types as pointers and

    86  *   integers.

    87  *

    88  * Each platform-specific definitions file "typedefs_md.h"

    89  * must define the macro FORMAT64_MODIFIER, which is the modifier for '%x' or

    90  * '%d' formats to indicate a 64-bit quantity; commonly "l" (in LP64) or "ll"

    91  * (in ILP32).

    92  */

    93 

    94 /* Format 32-bit quantities. */

    95 #define INT32_FORMAT  "%d"

    96 #define UINT32_FORMAT "%u"

    97 #define PTR32_FORMAT  "0x%08x"

    98 

    99 /* Format 64-bit quantities. */

   100 #define INT64_FORMAT  "%" FORMAT64_MODIFIER "d"

   101 #define UINT64_FORMAT "%" FORMAT64_MODIFIER "u"

   102 #define PTR64_FORMAT  "0x%016" FORMAT64_MODIFIER "x"

   103 

   104 /* Format pointers and size_t (or size_t-like integer types) which change size

   105  *  between 32- and 64-bit.

   106  */

   107 #if defined(_LP64) || defined(_WIN64)

   108 #define PTR_FORMAT    PTR64_FORMAT

   109 #define SIZE_FORMAT   UINT64_FORMAT

   110 #define SSIZE_FORMAT  INT64_FORMAT

   111 #else

   112 #define PTR_FORMAT    PTR32_FORMAT

   113 #define SIZE_FORMAT   UINT32_FORMAT

   114 #define SSIZE_FORMAT  INT32_FORMAT

   115 #endif

   116 

   117 #define INTPTR_FORMAT PTR_FORMAT

   118 

   119 

   120 #endif /* !_JAVASOFT_TYPEDEFS_H_ */