1 /* Cache and manage the values of registers for GDB, the GNU debugger.
3 Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
4 2001, 2002 Free Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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. */
29 extern struct regcache
*current_regcache
;
31 void regcache_xfree (struct regcache
*regcache
);
32 struct cleanup
*make_cleanup_regcache_xfree (struct regcache
*regcache
);
33 struct regcache
*regcache_xmalloc (struct gdbarch
*gdbarch
);
35 /* Transfer a raw register [0..NUM_REGS) between core-gdb and the
38 void regcache_read (struct regcache
*regcache
, int rawnum
, char *buf
);
39 void regcache_write (struct regcache
*regcache
, int rawnum
, char *buf
);
40 int regcache_valid_p (struct regcache
*regcache
, int regnum
);
41 CORE_ADDR
regcache_read_as_address (struct regcache
*regcache
, int rawnum
);
43 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
44 target. These functions are called by the target in response to a
45 target_fetch_registers() or target_store_registers(). */
47 extern void supply_register (int regnum
, char *val
);
48 extern void regcache_collect (int regnum
, void *buf
);
51 /* DEPRECATED: Character array containing an image of the inferior
52 programs' registers for the most recently referenced thread. */
54 extern char *registers
;
56 /* DEPRECATED: Character array containing the current state of each
57 register (unavailable<0, invalid=0, valid>0) for the most recently
60 extern signed char *register_valid
;
62 /* Copy/duplicate the contents of a register cache. By default, the
63 operation is pass-through. Writes to DST and reads from SRC will
64 go through to the target.
66 The ``cpy'' functions can not have overlapping SRC and DST buffers.
68 ``no passthrough'' versions do not go through to the target. They
69 only transfer values already in the cache. */
71 extern struct regcache
*regcache_dup (struct regcache
*regcache
);
72 extern struct regcache
*regcache_dup_no_passthrough (struct regcache
*regcache
);
73 extern void regcache_cpy (struct regcache
*dest
, struct regcache
*src
);
74 extern void regcache_cpy_no_passthrough (struct regcache
*dest
, struct regcache
*src
);
76 extern char *deprecated_grub_regcache_for_registers (struct regcache
*);
77 extern char *deprecated_grub_regcache_for_register_valid (struct regcache
*);
79 extern int register_cached (int regnum
);
81 extern void set_register_cached (int regnum
, int state
);
83 extern void register_changed (int regnum
);
85 extern void registers_changed (void);
87 extern void registers_fetched (void);
89 extern void read_register_bytes (int regbyte
, char *myaddr
, int len
);
91 extern void read_register_gen (int regnum
, char *myaddr
);
93 extern void write_register_gen (int regnum
, char *myaddr
);
95 extern void write_register_bytes (int regbyte
, char *myaddr
, int len
);
97 /* Rename to read_unsigned_register()? */
98 extern ULONGEST
read_register (int regnum
);
100 /* Rename to read_unsigned_register_pid()? */
101 extern ULONGEST
read_register_pid (int regnum
, ptid_t ptid
);
103 extern LONGEST
read_signed_register (int regnum
);
105 extern LONGEST
read_signed_register_pid (int regnum
, ptid_t ptid
);
107 extern void write_register (int regnum
, LONGEST val
);
109 extern void write_register_pid (int regnum
, CORE_ADDR val
, ptid_t ptid
);
111 #endif /* REGCACHE_H */
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