1 /* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */ 2 3 /* 4 ------------------------------------------------------------------------------- 5 One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 6 ------------------------------------------------------------------------------- 7 */ 8 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 9 #define LITTLEENDIAN 10 #else 11 #define BIGENDIAN 12 #endif 13 14 /* 15 ------------------------------------------------------------------------------- 16 The macro `BITS64' can be defined to indicate that 64-bit integer types are 17 supported by the compiler. 18 ------------------------------------------------------------------------------- 19 */ 20 #define BITS64 21 22 /* 23 ------------------------------------------------------------------------------- 24 Each of the following `typedef's defines the most convenient type that holds 25 integers of at least as many bits as specified. For example, `uint8' should 26 be the most convenient type that can hold unsigned integers of as many as 27 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 28 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 29 to the same as `int'. 30 ------------------------------------------------------------------------------- 31 */ 32 typedef int flag; 33 typedef unsigned int uint8; 34 typedef int int8; 35 typedef unsigned int uint16; 36 typedef int int16; 37 typedef unsigned int uint32; 38 typedef signed int int32; 39 #ifdef BITS64 40 typedef unsigned long long int uint64; 41 typedef signed long long int int64; 42 #endif 43 44 /* 45 ------------------------------------------------------------------------------- 46 Each of the following `typedef's defines a type that holds integers 47 of _exactly_ the number of bits specified. For instance, for most 48 implementation of C, `bits16' and `sbits16' should be `typedef'ed to 49 `unsigned short int' and `signed short int' (or `short int'), respectively. 50 ------------------------------------------------------------------------------- 51 */ 52 typedef unsigned char bits8; 53 typedef signed char sbits8; 54 typedef unsigned short int bits16; 55 typedef signed short int sbits16; 56 typedef unsigned int bits32; 57 typedef signed int sbits32; 58 #ifdef BITS64 59 typedef unsigned long long int bits64; 60 typedef signed long long int sbits64; 61 #endif 62 63 #ifdef BITS64 64 /* 65 ------------------------------------------------------------------------------- 66 The `LIT64' macro takes as its argument a textual integer literal and 67 if necessary ``marks'' the literal as having a 64-bit integer type. 68 For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 69 appended with the letters `LL' standing for `long long', which is `gcc's 70 name for the 64-bit integer type. Some compilers may allow `LIT64' to be 71 defined as the identity macro: `#define LIT64( a ) a'. 72 ------------------------------------------------------------------------------- 73 */ 74 #define LIT64( a ) a##LL 75 #endif 76 77 /* 78 ------------------------------------------------------------------------------- 79 The macro `INLINE' can be used before functions that should be inlined. If 80 a compiler does not support explicit inlining, this macro should be defined 81 to be `static'. 82 ------------------------------------------------------------------------------- 83 */ 84 #define INLINE static __inline 85 86 /* 87 ------------------------------------------------------------------------------- 88 The ARM FPA is odd in that it stores doubles high-order word first, no matter 89 what the endianness of the CPU. VFP is sane. 90 ------------------------------------------------------------------------------- 91 */ 92 #if defined(SOFTFLOAT_FOR_GCC) 93 #define FLOAT64_DEMANGLE(a) (a) 94 #define FLOAT64_MANGLE(a) (a) 95 #endif 96