Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Jeff Dike | 4c9e138 | 2007-10-16 01:26:54 -0700 | [diff] [blame] | 2 | * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Licensed under the GPL |
| 4 | */ |
| 5 | |
| 6 | #ifndef __SYS_SIGCONTEXT_I386_H |
| 7 | #define __SYS_SIGCONTEXT_I386_H |
| 8 | |
Jeff Dike | c28b59d | 2007-10-16 01:26:54 -0700 | [diff] [blame] | 9 | #include "sysdep/sc.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | |
| 11 | #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) |
| 12 | |
Jeff Dike | 96cee30 | 2008-05-12 14:01:48 -0700 | [diff] [blame] | 13 | #define GET_FAULTINFO_FROM_SC(fi, sc) \ |
Bodo Stroesser | c578455 | 2005-05-05 16:15:31 -0700 | [diff] [blame] | 14 | { \ |
| 15 | (fi).cr2 = SC_CR2(sc); \ |
| 16 | (fi).error_code = SC_ERR(sc); \ |
| 17 | (fi).trap_no = SC_TRAPNO(sc); \ |
| 18 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | /* This is Page Fault */ |
Paolo 'Blaisorblade' Giarrusso | be662a1 | 2005-09-30 11:58:59 -0700 | [diff] [blame] | 21 | #define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) |
| 22 | |
| 23 | /* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ |
Paolo 'Blaisorblade' Giarrusso | be662a1 | 2005-09-30 11:58:59 -0700 | [diff] [blame] | 24 | #define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #endif |