summaryrefslogtreecommitdiffstats
path: root/arch/um/sys-x86/shared/sysdep/mcontext.h
blob: b724c54da316012bdc7cd6642b74bab0f6b9223a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/* 
 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 * Licensed under the GPL
 */

#ifndef __SYS_SIGCONTEXT_X86_H
#define __SYS_SIGCONTEXT_X86_H

extern void get_regs_from_mc(struct uml_pt_regs *, mcontext_t *);

#ifdef __i386__

#define GET_FAULTINFO_FROM_MC(fi, mc) \
	{ \
		(fi).cr2 = (mc)->cr2; \
		(fi).error_code = (mc)->gregs[REG_ERR]; \
		(fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
	}

#else

#define GET_FAULTINFO_FROM_MC(fi, mc) \
	{ \
		(fi).cr2 = (mc)->gregs[REG_CR2]; \
		(fi).error_code = (mc)->gregs[REG_ERR]; \
		(fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
	}

#endif

#endif