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-rw-r--r--include/asm-sparc/uctx.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-sparc/uctx.h b/include/asm-sparc/uctx.h
new file mode 100644
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+++ b/include/asm-sparc/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 (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
31typedef unsigned long mc_greg_t;
32typedef mc_greg_t mc_gregset_t[MC_NGREG];
33
34#define MC_MAXFPQ 16
35struct mc_fq {
36 unsigned long *mcfq_addr;
37 unsigned int mcfq_insn;
38};
39
40struct 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};
54typedef struct mc_fpu mc_fpu_t;
55
56typedef 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
63struct ucontext {
64 struct ucontext *uc_link;
65 unsigned long uc_flags;
66 sigset_t uc_sigmask;
67 mcontext_t uc_mcontext;
68};
69typedef struct ucontext ucontext_t;
70
71#endif /* __SPARC64_UCTX_H */