include/asm-sparc64/sigcontext.h

   1 /* $Id: sigcontext.h,v 1.12 1999/09/06 08:22:09 jj Exp $ */
   2 #ifndef __SPARC64_SIGCONTEXT_H
   3 #define __SPARC64_SIGCONTEXT_H
   4
   5 #ifdef __KERNEL__
   6 #include <asm/ptrace.h>
   7 #endif
   8
   9 #ifndef __ASSEMBLY__
  10
  11 #ifdef __KERNEL__
  12
  13 #define __SUNOS_MAXWIN   31
  14
  15 /* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */
  16 struct sigcontext32 {
  17         int sigc_onstack;      /* state to restore */
  18         int sigc_mask;         /* sigmask to restore */
  19         int sigc_sp;           /* stack pointer */
  20         int sigc_pc;           /* program counter */
  21         int sigc_npc;          /* next program counter */
  22         int sigc_psr;          /* for condition codes etc */
  23         int sigc_g1;           /* User uses these two registers */
  24         int sigc_o0;           /* within the trampoline code. */
  25
  26         /* Now comes information regarding the users window set
  27          * at the time of the signal.
  28          */
  29         int sigc_oswins;       /* outstanding windows */
  30
  31         /* stack ptrs for each regwin buf */
  32         unsigned sigc_spbuf[__SUNOS_MAXWIN];
  33
  34         /* Windows to restore after signal */
  35         struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
  36 };
  37
  38 #endif
  39
  40 #ifdef __KERNEL__
  41
  42 /* This is what we use for 32bit new non-rt signals. */
  43
  44 typedef struct {
  45         struct {
  46                 unsigned int psr;
  47                 unsigned int pc;
  48                 unsigned int npc;
  49                 unsigned int y;
  50                 unsigned int u_regs[16]; /* globals and ins */
  51         }                       si_regs;
  52         int                     si_mask;
  53 } __siginfo32_t;
  54
  55 #endif
  56
  57 typedef struct {
  58         unsigned   int si_float_regs [64];
  59         unsigned   long si_fsr;
  60         unsigned   long si_gsr;
  61         unsigned   long si_fprs;
  62 } __siginfo_fpu_t;
  63
  64 /* This is what SunOS doesn't, so we have to write this alone
  65    and do it properly. */
  66 struct sigcontext {
  67         /* The size of this array has to match SI_MAX_SIZE from siginfo.h */
  68         char                    sigc_info[128];
  69         struct {
  70                 unsigned long   u_regs[16]; /* globals and ins */
  71                 unsigned long   tstate;
  72                 unsigned long   tpc;
  73                 unsigned long   tnpc;
  74                 unsigned int    y;
  75                 unsigned int    fprs;
  76         }                       sigc_regs;
  77         __siginfo_fpu_t *       sigc_fpu_save;
  78         struct {
  79                 void    *       ss_sp;
  80                 int             ss_flags;
  81                 unsigned long   ss_size;
  82         }                       sigc_stack;
  83         unsigned long           sigc_mask;
  84 };
  85
  86 #ifdef __KERNEL__
  87
  88 /* This magic should be in g_upper[0] for all upper parts
  89    to be valid.  */
  90 #define SIGINFO_EXTRA_V8PLUS_MAGIC      0x130e269
  91 typedef struct {
  92         unsigned   int g_upper[8];
  93         unsigned   int o_upper[8];
  94 } siginfo_extra_v8plus_t;
  95
  96 #endif
  97
  98 #endif /* !(__ASSEMBLY__) */
  99
 100 #endif /* !(__SPARC64_SIGCONTEXT_H) */