include/asm-sparc/reg.h

   1 /*
   2  * linux/include/asm-sparc/reg.h
   3  * Layout of the registers as expected by gdb on the Sparc
   4  * we should replace the user.h definitions with those in
   5  * this file, we don't even use the other
   6  * -miguel
   7  *
   8  * The names of the structures, constants and aliases in this file
   9  * have the same names as the sunos ones, some programs rely on these
  10  * names (gdb for example).
  11  *
  12  */
  13
  14 #ifndef __SPARC_REG_H
  15 #define __SPARC_REG_H
  16
  17 struct regs {
  18         int     r_psr;
  19 #define r_ps r_psr
  20         int     r_pc;
  21         int     r_npc;
  22         int     r_y;
  23         int     r_g1;
  24         int     r_g2;
  25         int     r_g3;
  26         int     r_g4;
  27         int     r_g5;
  28         int     r_g6;
  29         int     r_g7;
  30         int     r_o0;
  31         int     r_o1;
  32         int     r_o2;
  33         int     r_o3;
  34         int     r_o4;
  35         int     r_o5;
  36         int     r_o6;
  37         int     r_o7;
  38 };
  39
  40 struct fpq {
  41         unsigned long *addr;
  42         unsigned long instr;
  43 };
  44
  45 struct  fq {
  46         union {
  47                 double  whole;
  48                 struct  fpq fpq;
  49         } FQu;
  50 };
  51
  52 #define FPU_REGS_TYPE unsigned int
  53 #define FPU_FSR_TYPE unsigned
  54
  55 struct fp_status {
  56         union {
  57                 FPU_REGS_TYPE Fpu_regs[32];
  58                 double  Fpu_dregs[16];
  59         } fpu_fr;
  60         FPU_FSR_TYPE Fpu_fsr;
  61         unsigned Fpu_flags;
  62         unsigned Fpu_extra;
  63         unsigned Fpu_qcnt;
  64         struct fq Fpu_q[16];
  65 };
  66
  67 #define fpu_regs  f_fpstatus.fpu_fr.Fpu_regs
  68 #define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs
  69 #define fpu_fsr   f_fpstatus.Fpu_fsr
  70 #define fpu_flags f_fpstatus.Fpu_flags
  71 #define fpu_extra f_fpstatus.Fpu_extra
  72 #define fpu_q     f_fpstatus.Fpu_q
  73 #define fpu_qcnt  f_fpstatus.Fpu_qcnt
  74
  75 struct fpu {
  76         struct fp_status f_fpstatus;
  77 };
  78
  79 #endif /* __SPARC_REG_H */