1 /** @file 2 3 Copyright (c) 2014, ARM Limited. All rights reserved. 4 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 /* $NetBSD: arm-gcc.h,v 1.4 2013/01/26 07:08:14 matt Exp $ */ 16 17 /* 18 ------------------------------------------------------------------------------- 19 One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 20 ------------------------------------------------------------------------------- 21 */ 22 #define LITTLEENDIAN 23 24 /* 25 ------------------------------------------------------------------------------- 26 The macro `BITS64' can be defined to indicate that 64-bit integer types are 27 supported by the compiler. 28 ------------------------------------------------------------------------------- 29 */ 30 #define BITS64 31 32 /* 33 ------------------------------------------------------------------------------- 34 Each of the following `typedef's defines the most convenient type that holds 35 integers of at least as many bits as specified. For example, `uint8' should 36 be the most convenient type that can hold unsigned integers of as many as 37 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 38 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 39 to the same as `int'. 40 ------------------------------------------------------------------------------- 41 */ 42 typedef int flag; 43 typedef int uint8; 44 typedef int int8; 45 typedef int uint16; 46 typedef int int16; 47 typedef unsigned int uint32; 48 typedef signed int int32; 49 #ifdef BITS64 50 typedef unsigned long long int uint64; 51 typedef signed long long int int64; 52 #endif 53 54 /* 55 ------------------------------------------------------------------------------- 56 Each of the following `typedef's defines a type that holds integers 57 of _exactly_ the number of bits specified. For instance, for most 58 implementation of C, `bits16' and `sbits16' should be `typedef'ed to 59 `unsigned short int' and `signed short int' (or `short int'), respectively. 60 ------------------------------------------------------------------------------- 61 */ 62 typedef unsigned char bits8; 63 typedef signed char sbits8; 64 typedef unsigned short int bits16; 65 typedef signed short int sbits16; 66 typedef unsigned int bits32; 67 typedef signed int sbits32; 68 #ifdef BITS64 69 typedef unsigned long long int bits64; 70 typedef signed long long int sbits64; 71 #endif 72 73 #ifdef BITS64 74 /* 75 ------------------------------------------------------------------------------- 76 The `LIT64' macro takes as its argument a textual integer literal and 77 if necessary ``marks'' the literal as having a 64-bit integer type. 78 For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 79 appended with the letters `LL' standing for `long long', which is `gcc's 80 name for the 64-bit integer type. Some compilers may allow `LIT64' to be 81 defined as the identity macro: `#define LIT64( a ) a'. 82 ------------------------------------------------------------------------------- 83 */ 84 #define LIT64( a ) a##ULL 85 #endif 86 87 /* 88 ------------------------------------------------------------------------------- 89 The macro `INLINE' can be used before functions that should be inlined. If 90 a compiler does not support explicit inlining, this macro should be defined 91 to be `static'. 92 ------------------------------------------------------------------------------- 93 */ 94 #define INLINE static inline 95 96 /* 97 ------------------------------------------------------------------------------- 98 The ARM FPA is odd in that it stores doubles high-order word first, no matter 99 what the endianness of the CPU. VFP is sane. 100 ------------------------------------------------------------------------------- 101 */ 102 #if defined(SOFTFLOAT_FOR_GCC) 103 #if defined(__VFP_FP__) 104 #define FLOAT64_DEMANGLE(a) (a) 105 #define FLOAT64_MANGLE(a) (a) 106 #else 107 #define FLOAT64_DEMANGLE(a) (((a) << 32) | ((a) >> 32)) 108 #define FLOAT64_MANGLE(a) FLOAT64_DEMANGLE(a) 109 #endif 110 #endif 111