| 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 */ |