include/asm-sparc64/sigcontext.h

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