1/* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */ 2/* $FreeBSD$ */ 3 4/* 5------------------------------------------------------------------------------- 6One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 7------------------------------------------------------------------------------- 8*/ 9#ifdef __ARMEB__ 10#define BIGENDIAN 11#else 12#define LITTLEENDIAN 13#endif 14 15/* 16------------------------------------------------------------------------------- 17The macro `BITS64' can be defined to indicate that 64-bit integer types are 18supported by the compiler. 19------------------------------------------------------------------------------- 20*/ 21#define BITS64 22 23/* 24------------------------------------------------------------------------------- 25Each of the following `typedef's defines the most convenient type that holds 26integers of at least as many bits as specified. For example, `uint8' should 27be the most convenient type that can hold unsigned integers of as many as 288 bits. The `flag' type must be able to hold either a 0 or 1. For most 29implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 30to the same as `int'. 31------------------------------------------------------------------------------- 32*/ 33typedef int flag; 34typedef int uint8; 35typedef int int8; 36typedef int uint16; 37typedef int int16; 38typedef unsigned int uint32; 39typedef signed int int32; 40#ifdef BITS64 41typedef unsigned long long int uint64; 42typedef signed long long int int64; 43#endif 44 45/* 46------------------------------------------------------------------------------- 47Each of the following `typedef's defines a type that holds integers 48of _exactly_ the number of bits specified. For instance, for most 49implementation of C, `bits16' and `sbits16' should be `typedef'ed to 50`unsigned short int' and `signed short int' (or `short int'), respectively. 51------------------------------------------------------------------------------- 52*/ 53typedef unsigned char bits8; 54typedef signed char sbits8; 55typedef unsigned short int bits16; 56typedef signed short int sbits16; 57typedef unsigned int bits32; 58typedef signed int sbits32; 59#ifdef BITS64 60typedef unsigned long long int bits64; 61typedef signed long long int sbits64; 62#endif 63 64#ifdef BITS64 65/* 66------------------------------------------------------------------------------- 67The `LIT64' macro takes as its argument a textual integer literal and 68if necessary ``marks'' the literal as having a 64-bit integer type. 69For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 70appended with the letters `LL' standing for `long long', which is `gcc's 71name for the 64-bit integer type. Some compilers may allow `LIT64' to be 72defined as the identity macro: `#define LIT64( a ) a'. 73------------------------------------------------------------------------------- 74*/ 75#define LIT64( a ) a##LL 76#endif 77 78/* 79------------------------------------------------------------------------------- 80The macro `INLINE' can be used before functions that should be inlined. If 81a compiler does not support explicit inlining, this macro should be defined 82to be `static'. 83------------------------------------------------------------------------------- 84*/ 85#define INLINE static __inline 86 87/* 88------------------------------------------------------------------------------- 89The ARM FPA is odd in that it stores doubles high-order word first, no matter 90what the endianness of the CPU. VFP is sane. 91------------------------------------------------------------------------------- 92*/ 93#if defined(SOFTFLOAT_FOR_GCC) 94#if defined (__ARM_EABI__) || defined(__VFP_FP__) || defined(__ARMEB__) 95#define FLOAT64_DEMANGLE(a) (a) 96#define FLOAT64_MANGLE(a) (a) 97#else 98#define FLOAT64_DEMANGLE(a) ((((a) & 0xfffffffful) << 32) | ((a) >> 32)) 99#define FLOAT64_MANGLE(a) FLOAT64_DEMANGLE(a) 100#endif 101#endif 102