/* Target-dependent code for the i387.
- Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
#define I387_TDEP_H
struct gdbarch;
-struct ui_file;
struct frame_info;
+struct regcache;
struct type;
+struct ui_file;
/* Because the number of general-purpose registers is different for
AMD64, the floating-point registers and SSE registers get shifted.
return its contents in TO. */
extern void i387_register_to_value (struct frame_info *frame, int regnum,
- struct type *type, void *to);
+ struct type *type, gdb_byte *to);
/* Write the contents FROM of a value of type TYPE into register
REGNUM in frame FRAME. */
extern void i387_value_to_register (struct frame_info *frame, int regnum,
- struct type *type, const void *from);
+ struct type *type, const gdb_byte *from);
\f
/* Size of the memory area use by the 'fsave' and 'fxsave'
#define I387_SIZEOF_FSAVE 108
#define I387_SIZEOF_FXSAVE 512
-/* Fill register REGNUM in GDB's register cache with the appropriate
- value from *FSAVE. This function masks off any of the reserved
- bits in *FSAVE. */
+/* Fill register REGNUM in REGCACHE with the appropriate value from
+ *FSAVE. This function masks off any of the reserved bits in
+ *FSAVE. */
+
+extern void i387_supply_fsave (struct regcache *regcache, int regnum,
+ const void *fsave);
+
+/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
+ with the value from REGCACHE. If REGNUM is -1, do this for all
+ registers. This function doesn't touch any of the reserved bits in
+ *FSAVE. */
-extern void i387_supply_fsave (const void *fsave, int regnum);
+extern void i387_collect_fsave (const struct regcache *regcache, int regnum,
+ void *fsave);
/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
with the value in GDB's register cache. If REGNUM is -1, do this
extern void i387_fill_fsave (void *fsave, int regnum);
-/* Fill register REGNUM in GDB's register cache with the appropriate
+/* Fill register REGNUM in REGCACHE with the appropriate
floating-point or SSE register value from *FXSAVE. This function
masks off any of the reserved bits in *FXSAVE. */
-extern void i387_supply_fxsave (const void *fxsave, int regnum);
+extern void i387_supply_fxsave (struct regcache *regcache, int regnum,
+ const void *fxsave);
+
+/* Fill register REGNUM (if it is a floating-point or SSE register) in
+ *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for
+ all registers. This function doesn't touch any of the reserved
+ bits in *FXSAVE. */
+
+extern void i387_collect_fxsave (const struct regcache *regcache, int regnum,
+ void *fxsave);
/* Fill register REGNUM (if it is a floating-point or SSE register) in
*FXSAVE with the value in GDB's register cache. If REGNUM is -1, do
extern void i387_fill_fxsave (void *fxsave, int regnum);
+/* Prepare the FPU stack in REGCACHE for a function return. */
+
+extern void i387_return_value (struct gdbarch *gdbarch,
+ struct regcache *regcache);
+
#endif /* i387-tdep.h */