pub/libvex_basictypes.h

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/*--- This file (libvex_basictypes.h) is                      ---*/
/*--- Copyright (c) 2004 OpenWorks LLP.  All rights reserved. ---*/
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/*
   This file is part of LibVEX, a library for dynamic binary
   instrumentation and translation.

   Copyright (C) 2004 OpenWorks, LLP.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; Version 2 dated June 1991 of the
   license.

   This program 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, or liability
   for damages.  See the GNU General Public License for more details.

   Neither the names of the U.S. Department of Energy nor the
   University of California nor the names of its contributors may be
   used to endorse or promote products derived from this software
   without prior written permission.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
   USA.
*/

#ifndef __LIBVEX_BASICTYPES_H
#define __LIBVEX_BASICTYPES_H

/* It is important that the sizes of the following data types (on the
   host) are as stated.  LibVEX_Init therefore checks these at
   startup. */

/* Always 8 bits. */
typedef  unsigned char   UChar;
typedef    signed char   Char;
typedef           char   HChar; /* signfulness depends on host */
                                /* Only to be used for printf etc 
                                   format strings */

/* Always 16 bits. */
typedef  unsigned short  UShort;
typedef    signed short  Short;

/* Always 32 bits. */
typedef  unsigned int    UInt;
typedef    signed int    Int;

/* Always 64 bits. */
typedef  unsigned long long int   ULong;
typedef    signed long long int   Long;


typedef  float   Float;    /* IEEE754 single-precision (32-bit) value */
typedef  double  Double;   /* IEEE754 double-precision (64-bit) value */

/* Bool is always 8 bits. */
typedef  unsigned char  Bool;
#define  True   ((Bool)1)
#define  False  ((Bool)0)

/* 32/64 bit addresses. */
typedef  UInt      Addr32;
typedef  ULong     Addr64;

/* Something which has the same size as void* on the host.  That is,
   it is 32 bits on a 32-bit host and 64 bits on a 64-bit host, and so
   it can safely be coerced to and from a pointer type on the host
   machine. */
typedef  unsigned long HWord;


/* This is so useful it should be visible absolutely everywhere. */
#define offsetof(type,memb) ((Int)&((type*)0)->memb)


#endif /* ndef __LIBVEX_BASICTYPES_H */


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