diff options
Diffstat (limited to 'arch/um/sys-i386/sysdep/faultinfo.h')
-rw-r--r-- | arch/um/sys-i386/sysdep/faultinfo.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/um/sys-i386/sysdep/faultinfo.h b/arch/um/sys-i386/sysdep/faultinfo.h new file mode 100644 index 000000000000..db437cc373bc --- /dev/null +++ b/arch/um/sys-i386/sysdep/faultinfo.h | |||
@@ -0,0 +1,29 @@ | |||
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_I386_H | ||
8 | #define __FAULTINFO_I386_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 | #define PTRACE_FULL_FAULTINFO 0 | ||
28 | |||
29 | #endif | ||