1 /* $NetBSD: powerpc-gcc.h,v 1.2 2005/12/24 21:11:16 perry Exp $ */ 2 3 /* 4 ------------------------------------------------------------------------------- 5 One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 6 ------------------------------------------------------------------------------- 7 */ 8 #include <machine/endian.h> 9 #if _BYTE_ORDER == _BIG_ENDIAN 10 #define BIGENDIAN 11 #endif 12 #if _BYTE_ORDER == _LITTLE_ENDIAN 13 #define LITTLEENDIAN 14 #endif 15 16 /* 17 ------------------------------------------------------------------------------- 18 The macro `BITS64' can be defined to indicate that 64-bit integer types are 19 supported by the compiler. 20 ------------------------------------------------------------------------------- 21 */ 22 #define BITS64 23 24 /* 25 ------------------------------------------------------------------------------- 26 Each of the following `typedef's defines the most convenient type that holds 27 integers of at least as many bits as specified. For example, `uint8' should 28 be the most convenient type that can hold unsigned integers of as many as 29 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 30 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 31 to the same as `int'. 32 ------------------------------------------------------------------------------- 33 */ 34 typedef int flag; 35 typedef int uint8; 36 typedef int int8; 37 typedef int uint16; 38 typedef int int16; 39 typedef unsigned int uint32; 40 typedef signed int int32; 41 #ifdef BITS64 42 typedef unsigned long long int uint64; 43 typedef signed long long int int64; 44 #endif 45 46 /* 47 ------------------------------------------------------------------------------- 48 Each of the following `typedef's defines a type that holds integers 49 of _exactly_ the number of bits specified. For instance, for most 50 implementation of C, `bits16' and `sbits16' should be `typedef'ed to 51 `unsigned short int' and `signed short int' (or `short int'), respectively. 52 ------------------------------------------------------------------------------- 53 */ 54 typedef unsigned char bits8; 55 typedef signed char sbits8; 56 typedef unsigned short int bits16; 57 typedef signed short int sbits16; 58 typedef unsigned int bits32; 59 typedef signed int sbits32; 60 #ifdef BITS64 61 typedef unsigned long long int bits64; 62 typedef signed long long int sbits64; 63 #endif 64 65 #ifdef BITS64 66 /* 67 ------------------------------------------------------------------------------- 68 The `LIT64' macro takes as its argument a textual integer literal and 69 if necessary ``marks'' the literal as having a 64-bit integer type. 70 For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 71 appended with the letters `LL' standing for `long long', which is `gcc's 72 name for the 64-bit integer type. Some compilers may allow `LIT64' to be 73 defined as the identity macro: `#define LIT64( a ) a'. 74 ------------------------------------------------------------------------------- 75 */ 76 #define LIT64( a ) a##LL 77 #endif 78 79 /* 80 ------------------------------------------------------------------------------- 81 The macro `INLINE' can be used before functions that should be inlined. If 82 a compiler does not support explicit inlining, this macro should be defined 83 to be `static'. 84 ------------------------------------------------------------------------------- 85 */ 86 #define INLINE static inline 87 88 #define FLOAT64_DEMANGLE(a) (a) 89 #define FLOAT64_MANGLE(a) (a) 90