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 #endif
   8
   9 #ifndef __ASSEMBLY__
  10
  11 #define __SUNOS_MAXWIN   31
  12
  13 /* This is what SunOS does, so shall I. */
  14 struct sigcontext {
  15         int sigc_onstack;      /* state to restore */
  16         int sigc_mask;         /* sigmask to restore */
  17         int sigc_sp;           /* stack pointer */
  18         int sigc_pc;           /* program counter */
  19         int sigc_npc;          /* next program counter */
  20         int sigc_psr;          /* for condition codes etc */
  21         int sigc_g1;           /* User uses these two registers */
  22         int sigc_o0;           /* within the trampoline code. */
  23
  24         /* Now comes information regarding the users window set
  25          * at the time of the signal.
  26          */
  27         int sigc_oswins;       /* outstanding windows */
  28
  29         /* stack ptrs for each regwin buf */
  30         char *sigc_spbuf[__SUNOS_MAXWIN];
  31
  32         /* Windows to restore after signal */
  33         struct {
  34                 unsigned long   locals[8];
  35                 unsigned long   ins[8];
  36         } sigc_wbuf[__SUNOS_MAXWIN];
  37 };
  38
  39 typedef struct {
  40         struct {
  41                 unsigned long psr;
  42                 unsigned long pc;
  43                 unsigned long npc;
  44                 unsigned long y;
  45                 unsigned long u_regs[16]; /* globals and ins */
  46         }               si_regs;
  47         int             si_mask;
  48 } __siginfo_t;
  49
  50 typedef struct {
  51         unsigned   long si_float_regs [32];
  52         unsigned   long si_fsr;
  53         unsigned   long si_fpqdepth;
  54         struct {
  55                 unsigned long *insn_addr;
  56                 unsigned long insn;
  57         } si_fpqueue [16];
  58 } __siginfo_fpu_t;
  59
  60 #ifdef __KERNEL__
  61
  62 /* This magic should be in g_upper[0] for all upper parts
  63    to be valid.
  64    This is generated by sparc64 only, but for 32bit processes,
  65    so we define it here as well.  */
  66 #define SIGINFO_EXTRA_V8PLUS_MAGIC      0x130e269
  67 typedef struct {
  68         unsigned   int g_upper[8];
  69         unsigned   int o_upper[8];
  70 } siginfo_extra_v8plus_t;
  71
  72 #endif
  73
  74 #endif /* !(__ASSEMBLY__) */
  75
  76 #endif /* !(__SPARC_SIGCONTEXT_H) */