| Bodo Stroesser | c578455 | 2005-05-05 16:15:31 -0700 | [diff] [blame] | 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 | |
| Al Viro | adcfb98 | 2011-08-18 20:03:59 +0100 | [diff] [blame] | 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 | |
| Bodo Stroesser | c578455 | 2005-05-05 16:15:31 -0700 | [diff] [blame] | 33 | #define PTRACE_FULL_FAULTINFO 1 |
| 34 | |
| 35 | #endif |