release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sparc/include/asm/uctx.h

   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 */