arch/m68k/include/asm/a.out-core.h

   1 /* a.out coredump register dumper
   2  *
   3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public Licence
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the Licence, or (at your option) any later version.
  10  */
  11
  12 #ifndef _ASM_A_OUT_CORE_H
  13 #define _ASM_A_OUT_CORE_H
  14
  15 #ifdef __KERNEL__
  16
  17 #include <linux/user.h>
  18 #include <linux/elfcore.h>
  19
  20 /*
  21  * fill in the user structure for an a.out core dump
  22  */
  23 static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
  24 {
  25         struct switch_stack *sw;
  26
  27 /* changed the size calculations - should hopefully work better. lbt */
  28         dump->magic = CMAGIC;
  29         dump->start_code = 0;
  30         dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
  31         dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
  32         dump->u_dsize = ((unsigned long) (current->mm->brk +
  33                                           (PAGE_SIZE-1))) >> PAGE_SHIFT;
  34         dump->u_dsize -= dump->u_tsize;
  35         dump->u_ssize = 0;
  36
  37         if (dump->start_stack < TASK_SIZE)
  38                 dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
  39
  40         dump->u_ar0 = offsetof(struct user, regs);
  41         sw = ((struct switch_stack *)regs) - 1;
  42         dump->regs.d1 = regs->d1;
  43         dump->regs.d2 = regs->d2;
  44         dump->regs.d3 = regs->d3;
  45         dump->regs.d4 = regs->d4;
  46         dump->regs.d5 = regs->d5;
  47         dump->regs.d6 = sw->d6;
  48         dump->regs.d7 = sw->d7;
  49         dump->regs.a0 = regs->a0;
  50         dump->regs.a1 = regs->a1;
  51         dump->regs.a2 = regs->a2;
  52         dump->regs.a3 = sw->a3;
  53         dump->regs.a4 = sw->a4;
  54         dump->regs.a5 = sw->a5;
  55         dump->regs.a6 = sw->a6;
  56         dump->regs.d0 = regs->d0;
  57         dump->regs.orig_d0 = regs->orig_d0;
  58         dump->regs.stkadj = regs->stkadj;
  59         dump->regs.sr = regs->sr;
  60         dump->regs.pc = regs->pc;
  61         dump->regs.fmtvec = (regs->format << 12) | regs->vector;
  62         /* dump floating point stuff */
  63         dump->u_fpvalid = dump_fpu (regs, &dump->m68kfp);
  64 }
  65
  66 #endif /* __KERNEL__ */
  67 #endif /* _ASM_A_OUT_CORE_H */