arch/sparc/include/asm/sigcontext_32.h

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