a.out-core.h

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/* a.out coredump register dumper
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#ifndef _ASM_A_OUT_CORE_H
#define _ASM_A_OUT_CORE_H

#ifdef __KERNEL__

#include <linux/user.h>
#include <linux/elfcore.h>

/*
 * fill in the user structure for an a.out core dump
 */
static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
{
    struct task_struct *tsk = current;

    dump->magic = CMAGIC;
    dump->start_code = tsk->mm->start_code;
    dump->start_stack = regs->ARM_sp & ~(PAGE_SIZE - 1);

    dump->u_tsize = (tsk->mm->end_code - tsk->mm->start_code) >> PAGE_SHIFT;
    dump->u_dsize = (tsk->mm->brk - tsk->mm->start_data + PAGE_SIZE - 1) >> PAGE_SHIFT;
    dump->u_ssize = 0;

    memset(dump->u_debugreg, 0, sizeof(dump->u_debugreg));

    if (dump->start_stack < 0x04000000)
        dump->u_ssize = (0x04000000 - dump->start_stack) >> PAGE_SHIFT;

    dump->regs = *regs;
    dump->u_fpvalid = dump_fpu (regs, &dump->u_fp);
}

#endif /* __KERNEL__ */
#endif /* _ASM_A_OUT_CORE_H */