gdb/i387-tdep.h

   1 /* Target-dependent code for the i387.
   2    Copyright 2000, 2001 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef I387_TDEP_H
  22 #define I387_TDEP_H
  23
  24 struct gdbarch;
  25 struct ui_file;
  26 struct frame_info;
  27 struct type;
  28
  29 /* Print out the i387 floating point state.  */
  30
  31 extern void i387_print_float_info (struct gdbarch *gdbarch,
  32                                    struct ui_file *file,
  33                                    struct frame_info *frame,
  34                                    const char *args);
  35
  36 /* Read a value of type TYPE from register REGNUM in frame FRAME, and
  37    return its contents in TO.  */
  38
  39 extern void i387_register_to_value (struct frame_info *frame, int regnum,
  40                                     struct type *type, void *to);
  41
  42 /* Write the contents FROM of a value of type TYPE into register
  43    REGNUM in frame FRAME.  */
  44
  45 extern void i387_value_to_register (struct frame_info *frame, int regnum,
  46                                     struct type *type, const void *from);
  47
  48 /* Fill register REGNUM in GDB's register cache with the appropriate
  49    value from *FSAVE.  This function masks off any of the reserved
  50    bits in *FSAVE.  */
  51
  52 extern void i387_supply_fsave (const char *fsave, int regnum);
  53
  54 /* Fill register REGNUM (if it is a floating-point register) in *FSAVE
  55    with the value in GDB's register cache.  If REGNUM is -1, do this
  56    for all registers.  This function doesn't touch any of the reserved
  57    bits in *FSAVE.  */
  58
  59 extern void i387_fill_fsave (char *fsave, int regnum);
  60
  61 /* Fill register REGNUM in GDB's register cache with the appropriate
  62    floating-point or SSE register value from *FXSAVE.  This function
  63    masks off any of the reserved bits in *FXSAVE.  */
  64
  65 extern void i387_supply_fxsave (const char *fxsave, int regnum);
  66
  67 /* Fill register REGNUM (if it is a floating-point or SSE register) in
  68    *FXSAVE with the value in GDB's register cache.  If REGNUM is -1, do
  69    this for all registers.  This function doesn't touch any of the
  70    reserved bits in *FXSAVE.  */
  71
  72 extern void i387_fill_fxsave (char *fxsave, int regnum);
  73
  74 #endif /* i387-tdep.h */