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1 /*
2  * uctx.h: Sparc64 {set,get}context() register state layouts.
3  *
4  * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
5  */
6 
7 #ifndef __SPARC64_UCTX_H
8 #define __SPARC64_UCTX_H
9 
10 #define MC_TSTATE	0
11 #define MC_PC		1
12 #define MC_NPC		2
13 #define MC_Y		3
14 #define MC_G1		4
15 #define MC_G2		5
16 #define MC_G3		6
17 #define MC_G4		7
18 #define MC_G5		8
19 #define MC_G6		9
20 #define MC_G7		10
21 #define MC_O0		11
22 #define MC_O1		12
23 #define MC_O2		13
24 #define MC_O3		14
25 #define MC_O4		15
26 #define MC_O5		16
27 #define MC_O6		17
28 #define MC_O7		18
29 #define MC_NGREG	19
30 
31 typedef unsigned long mc_greg_t;
32 typedef mc_greg_t mc_gregset_t[MC_NGREG];
33 
34 #define MC_MAXFPQ	16
35 struct mc_fq {
36 	unsigned long	*mcfq_addr;
37 	unsigned int	mcfq_insn;
38 };
39 
40 struct mc_fpu {
41 	union {
42 		unsigned int	sregs[32];
43 		unsigned long	dregs[32];
44 		long double	qregs[16];
45 	} mcfpu_fregs;
46 	unsigned long	mcfpu_fsr;
47 	unsigned long	mcfpu_fprs;
48 	unsigned long	mcfpu_gsr;
49 	struct mc_fq	*mcfpu_fq;
50 	unsigned char	mcfpu_qcnt;
51 	unsigned char	mcfpu_qentsz;
52 	unsigned char	mcfpu_enab;
53 };
54 typedef struct mc_fpu mc_fpu_t;
55 
56 typedef struct {
57 	mc_gregset_t	mc_gregs;
58 	mc_greg_t	mc_fp;
59 	mc_greg_t	mc_i7;
60 	mc_fpu_t	mc_fpregs;
61 } mcontext_t;
62 
63 struct ucontext {
64 	struct ucontext		*uc_link;
65 	unsigned long		uc_flags;
66 	sigset_t		uc_sigmask;
67 	mcontext_t		uc_mcontext;
68 };
69 typedef struct ucontext ucontext_t;
70 
71 #endif /* __SPARC64_UCTX_H */
72