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 #ifdef __ARMEB__ 23 #define BIGENDIAN 24 #else 25 #define LITTLEENDIAN 26 #endif 27 28 /* 29 ------------------------------------------------------------------------------- 30 The macro `BITS64' can be defined to indicate that 64-bit integer types are 31 supported by the compiler. 32 ------------------------------------------------------------------------------- 33 */ 34 #define BITS64 35 36 /* 37 ------------------------------------------------------------------------------- 38 Each of the following `typedef's defines the most convenient type that holds 39 integers of at least as many bits as specified. For example, `uint8' should 40 be the most convenient type that can hold unsigned integers of as many as 41 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 42 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 43 to the same as `int'. 44 ------------------------------------------------------------------------------- 45 */ 46 typedef int flag; 47 typedef int uint8; 48 typedef int int8; 49 typedef int uint16; 50 typedef int int16; 51 typedef unsigned int uint32; 52 typedef signed int int32; 53 #ifdef BITS64 54 typedef unsigned long long int uint64; 55 typedef signed long long int int64; 56 #endif 57 58 /* 59 ------------------------------------------------------------------------------- 60 Each of the following `typedef's defines a type that holds integers 61 of _exactly_ the number of bits specified. For instance, for most 62 implementation of C, `bits16' and `sbits16' should be `typedef'ed to 63 `unsigned short int' and `signed short int' (or `short int'), respectively. 64 ------------------------------------------------------------------------------- 65 */ 66 typedef unsigned char bits8; 67 typedef signed char sbits8; 68 typedef unsigned short int bits16; 69 typedef signed short int sbits16; 70 typedef unsigned int bits32; 71 typedef signed int sbits32; 72 #ifdef BITS64 73 typedef unsigned long long int bits64; 74 typedef signed long long int sbits64; 75 #endif 76 77 #ifdef BITS64 78 /* 79 ------------------------------------------------------------------------------- 80 The `LIT64' macro takes as its argument a textual integer literal and 81 if necessary ``marks'' the literal as having a 64-bit integer type. 82 For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 83 appended with the letters `LL' standing for `long long', which is `gcc's 84 name for the 64-bit integer type. Some compilers may allow `LIT64' to be 85 defined as the identity macro: `#define LIT64( a ) a'. 86 ------------------------------------------------------------------------------- 87 */ 88 #define LIT64( a ) a##ULL 89 #endif 90 91 /* 92 ------------------------------------------------------------------------------- 93 The macro `INLINE' can be used before functions that should be inlined. If 94 a compiler does not support explicit inlining, this macro should be defined 95 to be `static'. 96 ------------------------------------------------------------------------------- 97 */ 98 #define INLINE static inline 99 100 /* 101 ------------------------------------------------------------------------------- 102 The ARM FPA is odd in that it stores doubles high-order word first, no matter 103 what the endianness of the CPU. VFP is sane. 104 ------------------------------------------------------------------------------- 105 */ 106 #if defined(SOFTFLOAT_FOR_GCC) 107 #if defined(__VFP_FP__) || defined(__ARMEB__) 108 #define FLOAT64_DEMANGLE(a) (a) 109 #define FLOAT64_MANGLE(a) (a) 110 #else 111 #define FLOAT64_DEMANGLE(a) (((a) << 32) | ((a) >> 32)) 112 #define FLOAT64_MANGLE(a) FLOAT64_DEMANGLE(a) 113 #endif 114 #endif 115
