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File: [Development] / linux-2.6-xfs / arch / um / include / sysdep-i386 / faultinfo.h (download)

Revision 1.1, Tue Jun 21 15:50:10 2005 UTC (12 years, 4 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Merge up to 2.6.12
Merge of 2.6.x-xfs-melb:linux:22920a by kenmcd.

/*
 * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
 * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
 * Licensed under the GPL
 */

#ifndef __FAULTINFO_I386_H
#define __FAULTINFO_I386_H

/* this structure contains the full arch-specific faultinfo
 * from the traps.
 * On i386, ptrace_faultinfo unfortunately doesn't provide
 * all the info, since trap_no is missing.
 * All common elements are defined at the same position in
 * both structures, thus making it easy to copy the
 * contents without knowledge about the structure elements.
 */
struct faultinfo {
        int error_code; /* in ptrace_faultinfo misleadingly called is_write */
        unsigned long cr2; /* in ptrace_faultinfo called addr */
        int trap_no; /* missing in ptrace_faultinfo */
};

#define FAULT_WRITE(fi) ((fi).error_code & 2)
#define FAULT_ADDRESS(fi) ((fi).cr2)

#define PTRACE_FULL_FAULTINFO 0

#endif