LXR linux/include/asm-sparc/user.h

   1/* $Id: user.h,v 1.5 1998/02/23 01:49:22 rth Exp $
   2 * asm-sparc/user.h: Core file definitions for the Sparc.
   3 *
   4 * Keep in sync with reg.h.  Actually, we could get rid of this
   5 * one, since we won't a.out core dump that much anyways - miguel.
   6 * Copyright (C) 1995 (davem@caip.rutgers.edu)
   7 */
   8#ifndef _SPARC_USER_H
   9#define _SPARC_USER_H
  10
  11#include <asm/a.out.h>
  12struct sunos_regs {
  13        unsigned long psr, pc, npc, y;
  14        unsigned long regs[15];
  15};
  16
  17struct sunos_fpqueue {
  18        unsigned long *addr;
  19        unsigned long inst;
  20};
  21
  22struct sunos_fp {
  23        union {
  24                unsigned long regs[32];
  25                double reg_dbls[16];
  26        } fregs;
  27        unsigned long fsr;
  28        unsigned long flags;
  29        unsigned long extra;
  30        unsigned long fpq_count;
  31        struct sunos_fpqueue fpq[16];
  32};
  33
  34struct sunos_fpu {
  35        struct sunos_fp fpstatus;
  36};
  37
  38/* The SunOS core file header layout. */
  39struct user {
  40        unsigned long magic;
  41        unsigned long len;
  42        struct sunos_regs regs;
  43        struct exec uexec;
  44        int           signal;
  45        size_t        u_tsize; /* all of these in bytes! */
  46        size_t        u_dsize;
  47        size_t        u_ssize;
  48        char          u_comm[17];
  49        struct sunos_fpu fpu;
  50        unsigned long sigcode;   /* Special sigcontext subcode, if any */
  51};
  52
  53#define NBPG                   0x2000
  54#define UPAGES                 1
  55#define HOST_TEXT_START_ADDR   (u.start_code)
  56#define HOST_DATA_START_ADDR   (u.uexec.a_data)
  57#define HOST_STACK_END_ADDR    (- u.u_ssize * NBPG)
  58#define SUNOS_CORE_MAGIC       0x080456
  59
  60#endif /* !(_SPARC_USER_H) */
  61