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[cris-mirror.git] / arch / x86 / include / asm / a.out-core.h
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1 /* a.out coredump register dumper
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
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.
12 #ifndef _ASM_X86_A_OUT_CORE_H
13 #define _ASM_X86_A_OUT_CORE_H
15 #ifdef __KERNEL__
16 #ifdef CONFIG_X86_32
18 #include <linux/user.h>
19 #include <linux/elfcore.h>
20 #include <asm/debugreg.h>
23 * fill in the user structure for an a.out core dump
25 static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
27 /* changed the size calculations - should hopefully work better. lbt */
28 dump->magic = CMAGIC;
29 dump->start_code = 0;
30 dump->start_stack = regs->sp & ~(PAGE_SIZE - 1);
31 dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT;
32 dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1)))
33 >> PAGE_SHIFT;
34 dump->u_dsize -= dump->u_tsize;
35 dump->u_ssize = 0;
36 aout_dump_debugregs(dump);
38 if (dump->start_stack < TASK_SIZE)
39 dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack))
40 >> PAGE_SHIFT;
42 dump->regs.bx = regs->bx;
43 dump->regs.cx = regs->cx;
44 dump->regs.dx = regs->dx;
45 dump->regs.si = regs->si;
46 dump->regs.di = regs->di;
47 dump->regs.bp = regs->bp;
48 dump->regs.ax = regs->ax;
49 dump->regs.ds = (u16)regs->ds;
50 dump->regs.es = (u16)regs->es;
51 dump->regs.fs = (u16)regs->fs;
52 dump->regs.gs = get_user_gs(regs);
53 dump->regs.orig_ax = regs->orig_ax;
54 dump->regs.ip = regs->ip;
55 dump->regs.cs = (u16)regs->cs;
56 dump->regs.flags = regs->flags;
57 dump->regs.sp = regs->sp;
58 dump->regs.ss = (u16)regs->ss;
60 dump->u_fpvalid = dump_fpu(regs, &dump->i387);
63 #endif /* CONFIG_X86_32 */
64 #endif /* __KERNEL__ */
65 #endif /* _ASM_X86_A_OUT_CORE_H */