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mcontext.h revision 1.9 
      1 /*	$NetBSD: mcontext.h,v 1.9 2018/02/15 15:53:56 kamil Exp $	*/
      2 
      3 #ifndef _HPPA_MCONTEXT_H_
      4 #define	_HPPA_MCONTEXT_H_
      5 
      6 /*
      7  * General register state
      8  */
      9 #define	_NGREG		44
     10 
     11 #define	_REG_PSW	0
     12 #define	_REG_RP		2
     13 #define	_REG_R19	19
     14 #define	_REG_ARG0	26
     15 #define	_REG_DP		27
     16 #define	_REG_RET0	28
     17 #define	_REG_SP		30
     18 #define	_REG_SAR	32
     19 #define	_REG_PCSQH	33
     20 #define	_REG_PCSQT	34
     21 #define	_REG_PCOQH	35
     22 #define	_REG_PCOQT	36
     23 #define	_REG_SR0	37
     24 #define	_REG_SR1	38
     25 #define	_REG_SR2	39
     26 #define	_REG_SR3	40
     27 #define	_REG_SR4	41
     28 #define	_REG_CR26	42
     29 #define	_REG_CR27	43
     30 
     31 #ifndef __ASSEMBLER__
     32 
     33 typedef	unsigned long	__greg_t;
     34 typedef	__greg_t	__gregset_t[_NGREG];
     35 
     36 /*
     37  * Floating point register state
     38  */
     39 
     40 typedef struct {
     41 	union {
     42 		unsigned long long	__fp_regs[32];
     43 		double			__fp_dregs[32];
     44 	}	__fp_fr;
     45 } __fpregset_t;
     46 
     47 typedef struct {
     48 	__gregset_t	__gregs;
     49 	__fpregset_t	__fpregs;
     50 } mcontext_t;
     51 
     52 #define	_UC_MACHINE_SP(uc)	((uc)->uc_mcontext.__gregs[_REG_SP])
     53 #define	_UC_MACHINE_FP(uc)	((uc)->uc_mcontext.__gregs[3])
     54 #define	_UC_MACHINE_PC(uc) 	((uc)->uc_mcontext.__gregs[_REG_PCOQH])
     55 #define	_UC_MACHINE_SET_PC(uc, pc)					\
     56 do {									\
     57 	(uc)->uc_mcontext.__gregs[_REG_PCOQH] = (pc);			\
     58 	(uc)->uc_mcontext.__gregs[_REG_PCOQT] = (pc) + 4;		\
     59 } while (/*CONSTCOND*/0)
     60 
     61 static __inline void *
     62 __lwp_getprivate_fast(void)
     63 {
     64 	register void *__tmp;
     65 
     66 	__asm volatile("mfctl\t27 /* CR_TLS */, %0" : "=r" (__tmp));
     67 
     68 	return __tmp;
     69 }
     70 
     71 #endif /* !__ASSEMBLER__ */
     72 
     73 #define	_UC_SETSTACK	0x00010000
     74 #define	_UC_CLRSTACK	0x00020000
     75 #define	_UC_TLSBASE	0x00040000
     76 
     77 #endif /* _HPPA_MCONTEXT_H_ */
     78