include/asm-sparc/sigcontext.h

   1 /* $Id: sigcontext.h,v 1.14 1999/09/06 08:22:05 jj Exp $ */
   2 #ifndef __SPARC_SIGCONTEXT_H
   3 #define __SPARC_SIGCONTEXT_H
   4
   5 #ifdef __KERNEL__
   6 #include <asm/ptrace.h>
   7
   8 #ifndef __ASSEMBLY__
   9
  10 #define __SUNOS_MAXWIN   31
  11
  12 /* This is what SunOS does, so shall I. */
  13 struct sigcontext {
  14         int sigc_onstack;      /* state to restore */
  15         int sigc_mask;         /* sigmask to restore */
  16         int sigc_sp;           /* stack pointer */
  17         int sigc_pc;           /* program counter */
  18         int sigc_npc;          /* next program counter */
  19         int sigc_psr;          /* for condition codes etc */
  20         int sigc_g1;           /* User uses these two registers */
  21         int sigc_o0;           /* within the trampoline code. */
  22
  23         /* Now comes information regarding the users window set
  24          * at the time of the signal.
  25          */
  26         int sigc_oswins;       /* outstanding windows */
  27
  28         /* stack ptrs for each regwin buf */
  29         char *sigc_spbuf[__SUNOS_MAXWIN];
  30
  31         /* Windows to restore after signal */
  32         struct {
  33                 unsigned long   locals[8];
  34                 unsigned long   ins[8];
  35         } sigc_wbuf[__SUNOS_MAXWIN];
  36 };
  37
  38 typedef struct {
  39         struct {
  40                 unsigned long psr;
  41                 unsigned long pc;
  42                 unsigned long npc;
  43                 unsigned long y;
  44                 unsigned long u_regs[16]; /* globals and ins */
  45         }               si_regs;
  46         int             si_mask;
  47 } __siginfo_t;
  48
  49 typedef struct {
  50         unsigned   long si_float_regs [32];
  51         unsigned   long si_fsr;
  52         unsigned   long si_fpqdepth;
  53         struct {
  54                 unsigned long *insn_addr;
  55                 unsigned long insn;
  56         } si_fpqueue [16];
  57 } __siginfo_fpu_t;
  58
  59 #endif /* !(__ASSEMBLY__) */
  60
  61 #endif /* (__KERNEL__) */
  62
  63 #endif /* !(__SPARC_SIGCONTEXT_H) */