netbsd/sys/arch/hppa/include/mcontext.h
2015-10-15 10:25:28 +02:00

77 lines
1.5 KiB
C

/* $NetBSD: mcontext.h,v 1.8 2014/02/19 13:01:51 skrll Exp $ */
#ifndef _HPPA_MCONTEXT_H_
#define _HPPA_MCONTEXT_H_
/*
* General register state
*/
#define _NGREG 44
#define _REG_PSW 0
#define _REG_RP 2
#define _REG_R19 19
#define _REG_ARG0 26
#define _REG_DP 27
#define _REG_RET0 28
#define _REG_SP 30
#define _REG_SAR 32
#define _REG_PCSQH 33
#define _REG_PCSQT 34
#define _REG_PCOQH 35
#define _REG_PCOQT 36
#define _REG_SR0 37
#define _REG_SR1 38
#define _REG_SR2 39
#define _REG_SR3 40
#define _REG_SR4 41
#define _REG_CR26 42
#define _REG_CR27 43
#ifndef __ASSEMBLER__
typedef unsigned long __greg_t;
typedef __greg_t __gregset_t[_NGREG];
/*
* Floating point register state
*/
typedef struct {
union {
unsigned long long __fp_regs[32];
double __fp_dregs[32];
} __fp_fr;
} __fpregset_t;
typedef struct {
__gregset_t __gregs;
__fpregset_t __fpregs;
} mcontext_t;
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PCOQH])
#define _UC_MACHINE_SET_PC(uc, pc) \
do { \
(uc)->uc_mcontext.__gregs[_REG_PCOQH] = (pc); \
(uc)->uc_mcontext.__gregs[_REG_PCOQT] = (pc) + 4; \
} while (/*CONSTCOND*/0)
static __inline void *
__lwp_getprivate_fast(void)
{
register void *__tmp;
__asm volatile("mfctl\t27 /* CR_TLS */, %0" : "=r" (__tmp));
return __tmp;
}
#endif /* !__ASSEMBLER__ */
#define _UC_SETSTACK 0x00010000
#define _UC_CLRSTACK 0x00020000
#define _UC_TLSBASE 0x00040000
#endif /* _HPPA_MCONTEXT_H_ */