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/* Target-dependent code for the i387.
Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef I387_TDEP_H
#define I387_TDEP_H
struct gdbarch;
struct ui_file;
struct frame_info;
struct type;
/* Print out the i387 floating point state. */
extern void i387_print_float_info (struct gdbarch *gdbarch,
struct ui_file *file,
struct frame_info *frame,
const char *args);
/* Read a value of type TYPE from register REGNUM in frame FRAME, and
return its contents in TO. */
extern void i387_register_to_value (struct frame_info *frame, int regnum,
struct type *type, void *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);
/* Size of the memory area use by the 'fsave' and 'fxsave'
instructions. */
#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. */
extern void i387_supply_fsave (const char *fsave, int regnum);
/* 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
for all registers. This function doesn't touch any of the reserved
bits in *FSAVE. */
extern void i387_fill_fsave (char *fsave, int regnum);
/* Fill register REGNUM in GDB's register cache 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 char *fxsave, int regnum);
/* 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
this for all registers. This function doesn't touch any of the
reserved bits in *FXSAVE. */
extern void i387_fill_fxsave (char *fxsave, int regnum);
#endif /* i387-tdep.h */
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