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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/include/asm/a.out-core.h
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/* a.out coredump register dumper

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 *

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 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.

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 * Written by David Howells ([email protected])

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 *

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 * This program is free software; you can redistribute it and/or

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 * modify it under the terms of the GNU General Public Licence

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 * as published by the Free Software Foundation; either version

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 * 2 of the Licence, or (at your option) any later version.

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 */

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#ifndef _ASM_X86_A_OUT_CORE_H

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#define _ASM_X86_A_OUT_CORE_H

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#ifdef __KERNEL__

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#ifdef CONFIG_X86_32

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#include <linux/user.h>

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#include <linux/elfcore.h>

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#include <asm/debugreg.h>

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/*

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 * fill in the user structure for an a.out core dump

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 */

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static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)

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{

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/* changed the size calculations - should hopefully work better. lbt */

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	dump->magic = CMAGIC;

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	dump->start_code = 0;

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	dump->start_stack = regs->sp & ~(PAGE_SIZE - 1);

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	dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT;

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	dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1)))

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			>> PAGE_SHIFT;

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	dump->u_dsize -= dump->u_tsize;

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	dump->u_ssize = 0;

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	aout_dump_debugregs(dump);

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	if (dump->start_stack < TASK_SIZE)

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		dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack))

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				>> PAGE_SHIFT;

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	dump->regs.bx = regs->bx;

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	dump->regs.cx = regs->cx;

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	dump->regs.dx = regs->dx;

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	dump->regs.si = regs->si;

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	dump->regs.di = regs->di;

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	dump->regs.bp = regs->bp;

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	dump->regs.ax = regs->ax;

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	dump->regs.ds = (u16)regs->ds;

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	dump->regs.es = (u16)regs->es;

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	dump->regs.fs = (u16)regs->fs;

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	dump->regs.gs = get_user_gs(regs);

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	dump->regs.orig_ax = regs->orig_ax;

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	dump->regs.ip = regs->ip;

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	dump->regs.cs = (u16)regs->cs;

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	dump->regs.flags = regs->flags;

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	dump->regs.sp = regs->sp;

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	dump->regs.ss = (u16)regs->ss;

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	dump->u_fpvalid = dump_fpu(regs, &dump->i387);

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}

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#endif /* CONFIG_X86_32 */

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#endif /* __KERNEL__ */

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#endif /* _ASM_X86_A_OUT_CORE_H */

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