| /* Cache and manage the values of registers for GDB, the GNU debugger. |
| |
| Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, |
| 2001, 2002 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 REGCACHE_H |
| #define REGCACHE_H |
| |
| struct regcache; |
| struct gdbarch; |
| |
| extern struct regcache *current_regcache; |
| |
| void regcache_xfree (struct regcache *regcache); |
| struct regcache *regcache_xmalloc (struct gdbarch *gdbarch); |
| |
| /* Transfer a raw register [0..NUM_REGS) between core-gdb and the |
| regcache. */ |
| |
| void regcache_read (struct regcache *regcache, int rawnum, char *buf); |
| void regcache_write (struct regcache *regcache, int rawnum, char *buf); |
| int regcache_valid_p (struct regcache *regcache, int regnum); |
| CORE_ADDR regcache_read_as_address (struct regcache *regcache, int rawnum); |
| |
| /* Transfer a raw register [0..NUM_REGS) between the regcache and the |
| target. These functions are called by the target in response to a |
| target_fetch_registers() or target_store_registers(). */ |
| |
| extern void supply_register (int regnum, char *val); |
| extern void regcache_collect (int regnum, void *buf); |
| |
| |
| /* DEPRECATED: Character array containing an image of the inferior |
| programs' registers for the most recently referenced thread. */ |
| |
| extern char *registers; |
| |
| /* DEPRECATED: Character array containing the current state of each |
| register (unavailable<0, invalid=0, valid>0) for the most recently |
| referenced thread. */ |
| |
| extern signed char *register_valid; |
| |
| /* Copy/duplicate the contents of a register cache. By default, the |
| operation is pass-through. Writes to DST and reads from SRC will |
| go through to the target. |
| |
| The ``cpy'' functions can not have overlapping SRC and DST buffers. |
| |
| ``no passthrough'' versions do not go through to the target. They |
| only transfer values already in the cache. */ |
| |
| extern struct regcache *regcache_dup (struct regcache *regcache); |
| extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache); |
| extern void regcache_cpy (struct regcache *dest, struct regcache *src); |
| extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src); |
| |
| extern char *deprecated_grub_regcache_for_registers (struct regcache *); |
| extern char *deprecated_grub_regcache_for_register_valid (struct regcache *); |
| |
| extern int register_cached (int regnum); |
| |
| extern void set_register_cached (int regnum, int state); |
| |
| extern void register_changed (int regnum); |
| |
| extern void registers_changed (void); |
| |
| extern void registers_fetched (void); |
| |
| extern void read_register_bytes (int regbyte, char *myaddr, int len); |
| |
| extern void read_register_gen (int regnum, char *myaddr); |
| |
| extern void write_register_gen (int regnum, char *myaddr); |
| |
| extern void write_register_bytes (int regbyte, char *myaddr, int len); |
| |
| /* Rename to read_unsigned_register()? */ |
| extern ULONGEST read_register (int regnum); |
| |
| /* Rename to read_unsigned_register_pid()? */ |
| extern ULONGEST read_register_pid (int regnum, ptid_t ptid); |
| |
| extern LONGEST read_signed_register (int regnum); |
| |
| extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid); |
| |
| extern void write_register (int regnum, LONGEST val); |
| |
| extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid); |
| |
| #endif /* REGCACHE_H */ |