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 regcache
*regcache_xmalloc (struct gdbarch
*gdbarch
);
34 /* Transfer a raw register [0..NUM_REGS) between core-gdb and the
37 void regcache_read (struct regcache
*regcache
, int rawnum
, char *buf
);
38 void regcache_write (struct regcache
*regcache
, int rawnum
, char *buf
);
39 int regcache_valid_p (struct regcache
*regcache
, int regnum
);
40 CORE_ADDR
regcache_read_as_address (struct regcache
*regcache
, int rawnum
);
42 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
43 target. These functions are called by the target in response to a
44 target_fetch_registers() or target_store_registers(). */
46 extern void supply_register (int regnum
, char *val
);
47 extern void regcache_collect (int regnum
, void *buf
);
50 /* DEPRECATED: Character array containing an image of the inferior
51 programs' registers for the most recently referenced thread. */
53 extern char *registers
;
55 /* DEPRECATED: Character array containing the current state of each
56 register (unavailable<0, invalid=0, valid>0) for the most recently
59 extern signed char *register_valid
;
61 /* Copy/duplicate the contents of a register cache. By default, the
62 operation is pass-through. Writes to DST and reads from SRC will
63 go through to the target.
65 The ``cpy'' functions can not have overlapping SRC and DST buffers.
67 ``no passthrough'' versions do not go through to the target. They
68 only transfer values already in the cache. */
70 extern struct regcache
*regcache_dup (struct regcache
*regcache
);
71 extern struct regcache
*regcache_dup_no_passthrough (struct regcache
*regcache
);
72 extern void regcache_cpy (struct regcache
*dest
, struct regcache
*src
);
73 extern void regcache_cpy_no_passthrough (struct regcache
*dest
, struct regcache
*src
);
75 extern char *deprecated_grub_regcache_for_registers (struct regcache
*);
76 extern char *deprecated_grub_regcache_for_register_valid (struct regcache
*);
78 extern int register_cached (int regnum
);
80 extern void set_register_cached (int regnum
, int state
);
82 extern void register_changed (int regnum
);
84 extern void registers_changed (void);
86 extern void registers_fetched (void);
88 extern void read_register_bytes (int regbyte
, char *myaddr
, int len
);
90 extern void read_register_gen (int regnum
, char *myaddr
);
92 extern void write_register_gen (int regnum
, char *myaddr
);
94 extern void write_register_bytes (int regbyte
, char *myaddr
, int len
);
96 /* Rename to read_unsigned_register()? */
97 extern ULONGEST
read_register (int regnum
);
99 /* Rename to read_unsigned_register_pid()? */
100 extern ULONGEST
read_register_pid (int regnum
, ptid_t ptid
);
102 extern LONGEST
read_signed_register (int regnum
);
104 extern LONGEST
read_signed_register_pid (int regnum
, ptid_t ptid
);
106 extern void write_register (int regnum
, LONGEST val
);
108 extern void write_register_pid (int regnum
, CORE_ADDR val
, ptid_t ptid
);
110 #endif /* REGCACHE_H */
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