| 123456789101112131415161718192021222324252627282930313233 |
- /*
- * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- * Licensed under the GPL
- */
- #ifndef __SYS_SIGCONTEXT_I386_H
- #define __SYS_SIGCONTEXT_I386_H
- #include <generated/user_constants.h>
- #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
- #define SC_OFFSET(sc, field) \
- *((unsigned long *) &(((char *) (sc))[HOST_##field]))
- #define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
- #define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
- #define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
- #define GET_FAULTINFO_FROM_SC(fi, sc) \
- { \
- (fi).cr2 = SC_CR2(sc); \
- (fi).error_code = SC_ERR(sc); \
- (fi).trap_no = SC_TRAPNO(sc); \
- }
- /* 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)
- #endif
|
