| /* |
| * 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) |
| |
| /* This is Page Fault */ |
| #define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) |
| |
| /* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ |
| #define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) |
| |
| #define PTRACE_FULL_FAULTINFO 0 |
| |
| #endif |
