sys/arch/i386/include/mcontext.h

   1 #ifndef _MACHINE_MCONTEXT_H
   2 #define _MACHINE_MCONTEXT_H 1
   3
   4 #include <machine/fpu.h>
   5 #include <machine/stackframe.h>
   6
   7 #define MCF_MAGIC 0xc0ffee
   8
   9 /* Context to describe processor state */
  10 typedef struct __mcontext {
  11   int mc_magic;
  12   struct stackframe_s mc_p_reg;
  13   union fpu_state_u mc_fpu_state;
  14   short mc_fpu_flags;
  15 } mcontext_t;
  16
  17 __BEGIN_DECLS
  18 int setmcontext(const mcontext_t *mcp);
  19 int getmcontext(mcontext_t *mcp);
  20 __END_DECLS
  21
  22 #endif /* _MACHINE_MCONTEXT_H */