| 1 | /* Manage register sets. |
| 2 | |
| 3 | Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. */ |
| 21 | |
| 22 | #ifndef REGSET_H |
| 23 | #define REGSET_H 1 |
| 24 | |
| 25 | struct gdbarch; |
| 26 | struct regcache; |
| 27 | |
| 28 | /* Data structure describing a register set. */ |
| 29 | |
| 30 | typedef void (supply_regset_ftype) (const struct regset *, struct regcache *, |
| 31 | int, const void *, size_t); |
| 32 | typedef void (collect_regset_ftype) (const struct regset *, |
| 33 | const struct regcache *, |
| 34 | int, void *, size_t); |
| 35 | |
| 36 | struct regset |
| 37 | { |
| 38 | /* Data pointer for private use by the methods below, presumably |
| 39 | providing some sort of description of the register set. */ |
| 40 | const void *descr; |
| 41 | |
| 42 | /* Function supplying values in a register set to a register cache. */ |
| 43 | supply_regset_ftype *supply_regset; |
| 44 | |
| 45 | /* Function collecting values in a register set from a register cache. */ |
| 46 | collect_regset_ftype *collect_regset; |
| 47 | |
| 48 | /* Architecture associated with the register set. */ |
| 49 | struct gdbarch *arch; |
| 50 | }; |
| 51 | |
| 52 | /* Allocate a fresh 'struct regset' whose supply_regset function is |
| 53 | SUPPLY_REGSET, and whose collect_regset function is COLLECT_REGSET. |
| 54 | If the regset has no collect_regset function, pass NULL for |
| 55 | COLLECT_REGSET. |
| 56 | |
| 57 | The object returned is allocated on ARCH's obstack. */ |
| 58 | |
| 59 | extern struct regset *regset_alloc (struct gdbarch *arch, |
| 60 | supply_regset_ftype *supply_regset, |
| 61 | collect_regset_ftype *collect_regset); |
| 62 | |
| 63 | #endif /* regset.h */ |