| 1 | /* Declarations for caching. Typically used by remote back ends for |
| 2 | caching remote memory. |
| 3 | |
| 4 | Copyright 1992, 1993 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 21 | Boston, MA 02111-1307, USA. */ |
| 22 | |
| 23 | #ifndef DCACHE_H |
| 24 | #define DCACHE_H |
| 25 | |
| 26 | typedef int (*memxferfunc) PARAMS ((CORE_ADDR memaddr, |
| 27 | char *myaddr, |
| 28 | int len)); |
| 29 | |
| 30 | typedef struct dcache_struct DCACHE; |
| 31 | |
| 32 | /* Using the data cache DCACHE return the contents of the word at |
| 33 | address ADDR in the remote machine. */ |
| 34 | int dcache_fetch PARAMS ((DCACHE * dcache, CORE_ADDR addr)); |
| 35 | |
| 36 | /* Flush DCACHE. */ |
| 37 | void dcache_flush PARAMS ((DCACHE * dcache)); |
| 38 | |
| 39 | /* Initialize DCACHE. */ |
| 40 | DCACHE *dcache_init PARAMS ((memxferfunc reading, memxferfunc writing)); |
| 41 | |
| 42 | /* Write the word at ADDR both in the data cache and in the remote machine. */ |
| 43 | int dcache_poke PARAMS ((DCACHE * dcache, CORE_ADDR addr, int data)); |
| 44 | |
| 45 | /* Simple to call from <remote>_xfer_memory */ |
| 46 | |
| 47 | int dcache_xfer_memory PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len, int should_write)); |
| 48 | |
| 49 | /* Write the bytes at ADDR into the data cache and the remote machine. */ |
| 50 | int dcache_poke_block PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len)); |
| 51 | |
| 52 | /* Turn dcache state on or off */ |
| 53 | void set_dcache_state (int); |
| 54 | |
| 55 | #endif /* DCACHE_H */ |