arch/um/sys-x86/shared/sysdep/mcontext.h

   1 /*
   2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef __SYS_SIGCONTEXT_X86_H
   7 #define __SYS_SIGCONTEXT_X86_H
   8
   9 extern void get_regs_from_mc(struct uml_pt_regs *, mcontext_t *);
  10
  11 #ifdef __i386__
  12
  13 #define GET_FAULTINFO_FROM_MC(fi, mc) \
  14         { \
  15                 (fi).cr2 = (mc)->cr2; \
  16                 (fi).error_code = (mc)->gregs[REG_ERR]; \
  17                 (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
  18         }
  19
  20 #else
  21
  22 #define GET_FAULTINFO_FROM_MC(fi, mc) \
  23         { \
  24                 (fi).cr2 = (mc)->gregs[REG_CR2]; \
  25                 (fi).error_code = (mc)->gregs[REG_ERR]; \
  26                 (fi).trap_no = (mc)->gregs[REG_TRAPNO]; \
  27         }
  28
  29 #endif
  30
  31 #endif