root/include/asm-sparc/user.h

/* */

INCLUDED FROM

   1 /* $Id: user.h,v 1.3 1995/12/29 21:48:03 davem Exp $
   2  * asm-sparc/user.h: Core file definitions for the Sparc.
   3  *
   4  * Copyright (C) 1995 (davem@caip.rutgers.edu)
   5  */
   6 #ifndef _SPARC_USER_H
   7 #define _SPARC_USER_H
   8 
   9 struct sunos_regs {
  10         unsigned long psr, pc, npc, y;
  11         unsigned long regs[15];
  12 };
  13 
  14 struct sunos_fpqueue {
  15         unsigned long *addr;
  16         unsigned long inst;
  17 };
  18 
  19 struct sunos_fp {
  20         union {
  21                 unsigned long regs[32];
  22                 double reg_dbls[16];
  23         } fregs;
  24         unsigned long fsr;
  25         unsigned long flags;
  26         unsigned long extra;
  27         unsigned long fpq_count;
  28         struct sunos_fpqueue fpq[16];
  29 };
  30 
  31 struct sunos_fpu {
  32         struct sunos_fp fpstatus;
  33 };
  34 
  35 /* The SunOS core file header layout. */
  36 struct user {
  37         unsigned long magic;
  38         unsigned long len;
  39         struct sunos_regs regs;
  40         struct exec uexec;
  41         int           signal;
  42         size_t        u_tsize; /* all of these in bytes! */
  43         size_t        u_dsize;
  44         size_t        u_ssize;
  45         char          u_comm[17];
  46         struct sunos_fpu fpu;
  47         unsigned long sigcode;   /* Special sigcontext subcode, if any */
  48 };
  49 
  50 #define NBPG                   PAGE_SIZE
  51 #define UPAGES                 1
  52 #define HOST_TEXT_START_ADDR   (u.start_code)
  53 #define HOST_DATA_START_ADDR   (u.start_data)
  54 #define HOST_STACK_END_ADDR    (u.start_stack + u.u_ssize * NBPG)
  55 #define SUNOS_CORE_MAGIC       0x080456
  56 
  57 #endif /* !(_SPARC_USER_H) */

/* */