| /* |
| * Copyright 2003 PathScale, Inc. |
| * |
| * Licensed under the GPL |
| */ |
| |
| #ifndef __SYSDEP_X86_64_SIGCONTEXT_H |
| #define __SYSDEP_X86_64_SIGCONTEXT_H |
| |
| #include <generated/user_constants.h> |
| |
| #define SC_OFFSET(sc, field) \ |
| *((unsigned long *) &(((char *) (sc))[HOST_##field])) |
| #define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) |
| #define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) |
| #define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) |
| |
| #define IP_RESTART_SYSCALL(ip) ((ip) -= 2) |
| |
| #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) |
| |
| /* No broken SKAS API, which doesn't pass trap_no, here. */ |
| #define SEGV_MAYBE_FIXABLE(fi) 0 |
| |
| #endif |