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gerrit-public.fairphone.software / fp2-dev / kernel / msm / 8569c9140bd41089f9b6be8837ca421102714a90 / . / arch / um / include / shared / sysdep-i386 / sigcontext.h
blob: f583c87111a0ca9a0a0e515539dc84fe95e8236e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
Jeff Dike4c9e1382007-10-16 01:26:54 -0700[diff] [blame]2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
Linus Torvalds1da177e2005-04-16 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 Dikec28b59d2007-10-16 01:26:54 -0700[diff] [blame]9#include "sysdep/sc.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]10
11#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
12
Jeff Dike96cee302008-05-12 14:01:48 -0700[diff] [blame]13#define GET_FAULTINFO_FROM_SC(fi, sc) \
Bodo Stroesserc5784552005-05-05 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 Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]19
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]20/* This is Page Fault */
Paolo 'Blaisorblade' Giarrussobe662a12005-09-30 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' Giarrussobe662a12005-09-30 11:58:59 -0700[diff] [blame]24#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]25
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]26#endif