1 /*
2  * Copyright (C) 2004 Fujitsu Siemens Computers GmbH
3  * Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
4  * Licensed under the GPL
5  */
6 
7 #ifndef __FAULTINFO_X86_64_H
8 #define __FAULTINFO_X86_64_H
9 
10 /* this structure contains the full arch-specific faultinfo
11  * from the traps.
12  * On i386, ptrace_faultinfo unfortunately doesn't provide
13  * all the info, since trap_no is missing.
14  * All common elements are defined at the same position in
15  * both structures, thus making it easy to copy the
16  * contents without knowledge about the structure elements.
17  */
18 struct faultinfo {
19         int error_code; /* in ptrace_faultinfo misleadingly called is_write */
20         unsigned long cr2; /* in ptrace_faultinfo called addr */
21         int trap_no; /* missing in ptrace_faultinfo */
22 };
23 
24 #define FAULT_WRITE(fi) ((fi).error_code & 2)
25 #define FAULT_ADDRESS(fi) ((fi).cr2)
26 
27 /* This is Page Fault */
28 #define SEGV_IS_FIXABLE(fi)	((fi)->trap_no == 14)
29 
30 /* No broken SKAS API, which doesn't pass trap_no, here. */
31 #define SEGV_MAYBE_FIXABLE(fi)	0
32 
33 #define PTRACE_FULL_FAULTINFO 1
34 
35 #endif
36