LXR linux/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. */
  16struct 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
  44typedef 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
  57typedef 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. */
  66struct 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#endif /* !(__ASSEMBLY__) */
  87
  88#endif /* !(__SPARC64_SIGCONTEXT_H) */
  89