include/arch/i386/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 #if (_MINIX_CHIP == _CHIP_INTEL)
  14   union fpu_state_u mc_fpu_state;
  15 #endif
  16   short mc_fpu_flags;
  17 } mcontext_t;
  18
  19 _PROTOTYPE( int setmcontext, (const mcontext_t *mcp)                    );
  20 _PROTOTYPE( int getmcontext, (mcontext_t *mcp)                          );
  21
  22 #endif /* _MACHINE_MCONTEXT_H */
  23