1 2 /*---------------------------------------------------------------*/ 3 /*--- begin libvex_basictypes.h ---*/ 4 /*---------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2004-2017 OpenWorks LLP 11 info (at) open-works.net 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 26 02110-1301, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 30 Neither the names of the U.S. Department of Energy nor the 31 University of California nor the names of its contributors may be 32 used to endorse or promote products derived from this software 33 without prior written permission. 34 */ 35 36 #ifndef __LIBVEX_BASICTYPES_H 37 #define __LIBVEX_BASICTYPES_H 38 39 /* It is important that the sizes of the following data types (on the 40 host) are as stated. LibVEX_Init therefore checks these at 41 startup. */ 42 43 /* Always 8 bits. */ 44 typedef unsigned char UChar; 45 typedef signed char Char; 46 typedef char HChar; /* signfulness depends on host */ 47 /* Only to be used for printf etc 48 format strings */ 49 50 /* Always 16 bits. */ 51 typedef unsigned short UShort; 52 typedef signed short Short; 53 54 /* Always 32 bits. */ 55 typedef unsigned int UInt; 56 typedef signed int Int; 57 58 /* Always 64 bits. */ 59 typedef unsigned long long int ULong; 60 typedef signed long long int Long; 61 62 /* Equivalent of C's size_t type. The type is unsigned and has this 63 storage requirement: 64 32 bits on a 32-bit architecture 65 64 bits on a 64-bit architecture. */ 66 typedef unsigned long SizeT; 67 68 /* Always 128 bits. */ 69 typedef UInt U128[4]; 70 71 /* Always 256 bits. */ 72 typedef UInt U256[8]; 73 74 /* A union for doing 128-bit vector primitives conveniently. */ 75 typedef 76 union { 77 UChar w8[16]; 78 UShort w16[8]; 79 UInt w32[4]; 80 ULong w64[2]; 81 } 82 V128; 83 84 /* A union for doing 256-bit vector primitives conveniently. */ 85 typedef 86 union { 87 UChar w8[32]; 88 UShort w16[16]; 89 UInt w32[8]; 90 ULong w64[4]; 91 } 92 V256; 93 94 /* Floating point. */ 95 typedef float Float; /* IEEE754 single-precision (32-bit) value */ 96 typedef double Double; /* IEEE754 double-precision (64-bit) value */ 97 98 /* Bool is always 8 bits. */ 99 typedef unsigned char Bool; 100 #define True ((Bool)1) 101 #define False ((Bool)0) 102 103 /* Use this to coerce the result of a C comparison to a Bool. This is 104 useful when compiling with Intel icc with ultra-paranoid 105 compilation flags (-Wall). */ 106 static inline Bool toBool ( Int x ) { 107 Int r = (x == 0) ? False : True; 108 return (Bool)r; 109 } 110 static inline UChar toUChar ( Int x ) { 111 x &= 0xFF; 112 return (UChar)x; 113 } 114 static inline HChar toHChar ( Int x ) { 115 x &= 0xFF; 116 return (HChar)x; 117 } 118 static inline UShort toUShort ( Int x ) { 119 x &= 0xFFFF; 120 return (UShort)x; 121 } 122 static inline Short toShort ( Int x ) { 123 x &= 0xFFFF; 124 return (Short)x; 125 } 126 static inline UInt toUInt ( Long x ) { 127 x &= 0xFFFFFFFFLL; 128 return (UInt)x; 129 } 130 131 /* 32/64 bit addresses. */ 132 typedef UInt Addr32; 133 typedef ULong Addr64; 134 135 /* An address: 32-bit or 64-bit wide depending on host architecture */ 136 typedef unsigned long Addr; 137 138 139 /* Something which has the same size as void* on the host. That is, 140 it is 32 bits on a 32-bit host and 64 bits on a 64-bit host, and so 141 it can safely be coerced to and from a pointer type on the host 142 machine. */ 143 typedef unsigned long HWord; 144 145 /* Set up VEX_HOST_WORDSIZE and VEX_REGPARM. */ 146 #undef VEX_HOST_WORDSIZE 147 #undef VEX_REGPARM 148 149 /* The following 4 work OK for Linux. */ 150 #if defined(__x86_64__) 151 # define VEX_HOST_WORDSIZE 8 152 # define VEX_REGPARM(_n) /* */ 153 154 #elif defined(__i386__) 155 # define VEX_HOST_WORDSIZE 4 156 # define VEX_REGPARM(_n) __attribute__((regparm(_n))) 157 158 #elif defined(__powerpc__) && defined(__powerpc64__) 159 # define VEX_HOST_WORDSIZE 8 160 # define VEX_REGPARM(_n) /* */ 161 162 #elif defined(__powerpc__) && !defined(__powerpc64__) 163 # define VEX_HOST_WORDSIZE 4 164 # define VEX_REGPARM(_n) /* */ 165 166 #elif defined(__arm__) && !defined(__aarch64__) 167 # define VEX_HOST_WORDSIZE 4 168 # define VEX_REGPARM(_n) /* */ 169 170 #elif defined(__aarch64__) && !defined(__arm__) 171 # define VEX_HOST_WORDSIZE 8 172 # define VEX_REGPARM(_n) /* */ 173 174 #elif defined(__s390x__) 175 # define VEX_HOST_WORDSIZE 8 176 # define VEX_REGPARM(_n) /* */ 177 178 #elif defined(__mips__) && (__mips == 64) 179 # define VEX_HOST_WORDSIZE 8 180 # define VEX_REGPARM(_n) /* */ 181 182 #elif defined(__mips__) && (__mips != 64) 183 # define VEX_HOST_WORDSIZE 4 184 # define VEX_REGPARM(_n) /* */ 185 186 #else 187 # error "Vex: Fatal: Can't establish the host architecture" 188 #endif 189 190 191 #endif /* ndef __LIBVEX_BASICTYPES_H */ 192 193 /*---------------------------------------------------------------*/ 194 /*--- libvex_basictypes.h ---*/ 195 /*---------------------------------------------------------------*/ 196 197
