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