plan9fox/arm/include/u.h

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1.7 KiB
C
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#define nil ((void*)0)
typedef unsigned short ushort;
typedef unsigned char uchar;
typedef unsigned long ulong;
typedef unsigned int uint;
typedef signed char schar;
typedef long long vlong;
typedef unsigned long long uvlong;
typedef long intptr;
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typedef unsigned long uintptr;
typedef unsigned long usize;
typedef uint Rune;
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typedef union FPdbleword FPdbleword;
typedef long jmp_buf[2];
#define JMPBUFSP 0
#define JMPBUFPC 1
#define JMPBUFDPC 0
typedef unsigned int mpdigit; /* for /sys/include/mp.h */
typedef unsigned char u8int;
typedef unsigned short u16int;
typedef unsigned int u32int;
typedef unsigned long long u64int;
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typedef signed char s8int;
typedef signed short s16int;
typedef signed int s32int;
typedef signed long long s64int;
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/* VFP FPSCR (exceptions) */
#define FPINEX (1<<12)
#define FPUNFL (1<<11)
#define FPOVFL (1<<10)
#define FPZDIV (1<<9)
#define FPINVAL (1<<8)
/* VFP FPSCR (rounding) */
#define FPRNR (0<<22)
#define FPRPINF (1<<22)
#define FPRNINF (2<<22)
#define FPRZ (3<<22)
#define FPRMASK (3<<22)
/* VFP FPSCR (status) */
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#define FPPEXT 0
#define FPPSGL 0
#define FPPDBL 0
#define FPPMASK 0
#define FPAINEX (1<<4)
#define FPAUNFL (1<<3)
#define FPAOVFL (1<<2)
#define FPAZDIV (1<<1)
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#define FPAINVAL (1<<0)
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union FPdbleword
{
double x;
struct { /* little endian */
ulong lo;
ulong hi;
};
};
typedef char* va_list;
#define va_start(list, start) list =\
(sizeof(start) < 4?\
(char*)((int*)&(start)+1):\
(char*)(&(start)+1))
#define va_end(list)\
USED(list)
#define va_arg(list, mode)\
((sizeof(mode) == 1)?\
((list += 4), (mode*)list)[-4]:\
(sizeof(mode) == 2)?\
((list += 4), (mode*)list)[-2]:\
((list += sizeof(mode)), (mode*)list)[-1])