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uctx.h
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1 /*
2  * uctx.h: Sparc64 {set,get}context() register state layouts.
3  *
4  * Copyright (C) 1997 David S. Miller ([email protected])
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;
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 {
61 } mcontext_t;
62 
63 struct ucontext {
64  struct ucontext *uc_link;
65  unsigned long uc_flags;
68 };
69 typedef struct ucontext ucontext_t;
70 
71 #endif /* __SPARC64_UCTX_H */