1b0735d80SMarcel Moolenaar /* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */ 2b0735d80SMarcel Moolenaar /* $FreeBSD$ */ 3b0735d80SMarcel Moolenaar 4b0735d80SMarcel Moolenaar /* 5b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 6b0735d80SMarcel Moolenaar One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 7b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 8b0735d80SMarcel Moolenaar */ 9b0735d80SMarcel Moolenaar #define BIGENDIAN 10b0735d80SMarcel Moolenaar 11b0735d80SMarcel Moolenaar /* 12b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 13b0735d80SMarcel Moolenaar The macro `BITS64' can be defined to indicate that 64-bit integer types are 14b0735d80SMarcel Moolenaar supported by the compiler. 15b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 16b0735d80SMarcel Moolenaar */ 17b0735d80SMarcel Moolenaar #define BITS64 18b0735d80SMarcel Moolenaar 19b0735d80SMarcel Moolenaar /* 20b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 21b0735d80SMarcel Moolenaar Each of the following `typedef's defines the most convenient type that holds 22b0735d80SMarcel Moolenaar integers of at least as many bits as specified. For example, `uint8' should 23b0735d80SMarcel Moolenaar be the most convenient type that can hold unsigned integers of as many as 24b0735d80SMarcel Moolenaar 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 25b0735d80SMarcel Moolenaar implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 26b0735d80SMarcel Moolenaar to the same as `int'. 27b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 28b0735d80SMarcel Moolenaar */ 29b0735d80SMarcel Moolenaar typedef int flag; 30b0735d80SMarcel Moolenaar typedef unsigned int uint8; 31b0735d80SMarcel Moolenaar typedef int int8; 32b0735d80SMarcel Moolenaar typedef unsigned int uint16; 33b0735d80SMarcel Moolenaar typedef int int16; 34b0735d80SMarcel Moolenaar typedef unsigned int uint32; 35b0735d80SMarcel Moolenaar typedef signed int int32; 36b0735d80SMarcel Moolenaar #ifdef BITS64 37b0735d80SMarcel Moolenaar typedef unsigned long long int uint64; 38b0735d80SMarcel Moolenaar typedef signed long long int int64; 39b0735d80SMarcel Moolenaar #endif 40b0735d80SMarcel Moolenaar 41b0735d80SMarcel Moolenaar /* 42b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 43b0735d80SMarcel Moolenaar Each of the following `typedef's defines a type that holds integers 44b0735d80SMarcel Moolenaar of _exactly_ the number of bits specified. For instance, for most 45b0735d80SMarcel Moolenaar implementation of C, `bits16' and `sbits16' should be `typedef'ed to 46b0735d80SMarcel Moolenaar `unsigned short int' and `signed short int' (or `short int'), respectively. 47b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 48b0735d80SMarcel Moolenaar */ 49b0735d80SMarcel Moolenaar typedef unsigned char bits8; 50b0735d80SMarcel Moolenaar typedef signed char sbits8; 51b0735d80SMarcel Moolenaar typedef unsigned short int bits16; 52b0735d80SMarcel Moolenaar typedef signed short int sbits16; 53b0735d80SMarcel Moolenaar typedef unsigned int bits32; 54b0735d80SMarcel Moolenaar typedef signed int sbits32; 55b0735d80SMarcel Moolenaar #ifdef BITS64 56b0735d80SMarcel Moolenaar typedef unsigned long long int bits64; 57b0735d80SMarcel Moolenaar typedef signed long long int sbits64; 58b0735d80SMarcel Moolenaar #endif 59b0735d80SMarcel Moolenaar 60b0735d80SMarcel Moolenaar #ifdef BITS64 61b0735d80SMarcel Moolenaar /* 62b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 63b0735d80SMarcel Moolenaar The `LIT64' macro takes as its argument a textual integer literal and 64b0735d80SMarcel Moolenaar if necessary ``marks'' the literal as having a 64-bit integer type. 65b0735d80SMarcel Moolenaar For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 66b0735d80SMarcel Moolenaar appended with the letters `LL' standing for `long long', which is `gcc's 67b0735d80SMarcel Moolenaar name for the 64-bit integer type. Some compilers may allow `LIT64' to be 68b0735d80SMarcel Moolenaar defined as the identity macro: `#define LIT64( a ) a'. 69b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 70b0735d80SMarcel Moolenaar */ 71b0735d80SMarcel Moolenaar #define LIT64( a ) a##LL 72b0735d80SMarcel Moolenaar #endif 73b0735d80SMarcel Moolenaar 74b0735d80SMarcel Moolenaar /* 75b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 76b0735d80SMarcel Moolenaar The macro `INLINE' can be used before functions that should be inlined. If 77b0735d80SMarcel Moolenaar a compiler does not support explicit inlining, this macro should be defined 78b0735d80SMarcel Moolenaar to be `static'. 79b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 80b0735d80SMarcel Moolenaar */ 81b0735d80SMarcel Moolenaar #define INLINE static __inline 82b0735d80SMarcel Moolenaar 83b0735d80SMarcel Moolenaar /* 84b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 85b0735d80SMarcel Moolenaar The ARM FPA is odd in that it stores doubles high-order word first, no matter 86b0735d80SMarcel Moolenaar what the endianness of the CPU. VFP is sane. 87b0735d80SMarcel Moolenaar ------------------------------------------------------------------------------- 88b0735d80SMarcel Moolenaar */ 89b0735d80SMarcel Moolenaar #if defined(SOFTFLOAT_FOR_GCC) 90b0735d80SMarcel Moolenaar #define FLOAT64_DEMANGLE(a) (a) 91b0735d80SMarcel Moolenaar #define FLOAT64_MANGLE(a) (a) 92b0735d80SMarcel Moolenaar #endif 93