6af729a40ff6b83c14179ff30ab0ad389a26b6cb
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_raw_read (struct regcache
*regcache
, int rawnum
, void *buf
);
39 void regcache_raw_write (struct regcache
*regcache
, int rawnum
,
41 extern void regcache_raw_read_signed (struct regcache
*regcache
,
42 int regnum
, LONGEST
*val
);
43 extern void regcache_raw_read_unsigned (struct regcache
*regcache
,
44 int regnum
, ULONGEST
*val
);
46 /* Partial transfer of a raw registers. These perform read, modify,
47 write style operations. */
49 void regcache_raw_read_part (struct regcache
*regcache
, int regnum
,
50 int offset
, int len
, void *buf
);
51 void regcache_raw_write_part (struct regcache
*regcache
, int regnum
,
52 int offset
, int len
, const void *buf
);
54 int regcache_valid_p (struct regcache
*regcache
, int regnum
);
56 /* Transfer a cooked register [0..NUM_REGS+NUM_PSEUDO_REGS). */
57 void regcache_cooked_read (struct regcache
*regcache
, int rawnum
, void *buf
);
58 void regcache_cooked_write (struct regcache
*regcache
, int rawnum
,
61 /* NOTE: cagney/2002-08-13: At present GDB has no reliable mechanism
62 for indicating when a ``cooked'' register was constructed from
63 invalid or unavailable ``raw'' registers. One fairly easy way of
64 adding such a mechanism would be for the cooked functions to return
65 a register valid indication. Given the possibility of such a
66 change, the extract functions below use a reference parameter,
67 rather than a function result. */
69 /* Read a register as a signed/unsigned quantity. */
70 extern void regcache_cooked_read_signed (struct regcache
*regcache
,
71 int regnum
, LONGEST
*val
);
72 extern void regcache_cooked_read_unsigned (struct regcache
*regcache
,
73 int regnum
, ULONGEST
*val
);
75 /* Partial transfer of a cooked register. These perform read, modify,
76 write style operations. */
78 void regcache_cooked_read_part (struct regcache
*regcache
, int regnum
,
79 int offset
, int len
, void *buf
);
80 void regcache_cooked_write_part (struct regcache
*regcache
, int regnum
,
81 int offset
, int len
, const void *buf
);
83 /* Transfer a raw register [0..NUM_REGS) between the regcache and the
84 target. These functions are called by the target in response to a
85 target_fetch_registers() or target_store_registers(). */
87 extern void supply_register (int regnum
, const void *val
);
88 extern void regcache_collect (int regnum
, void *buf
);
91 /* Return the size of the largest register. Used when allocating
92 space for an aribtrary register value. */
94 extern int max_register_size (struct gdbarch
*gdbarch
);
97 /* DEPRECATED: Character array containing an image of the inferior
98 programs' registers for the most recently referenced thread. */
100 extern char *registers
;
102 /* DEPRECATED: Character array containing the current state of each
103 register (unavailable<0, invalid=0, valid>0) for the most recently
104 referenced thread. */
106 extern signed char *register_valid
;
108 /* Copy/duplicate the contents of a register cache. By default, the
109 operation is pass-through. Writes to DST and reads from SRC will
110 go through to the target.
112 The ``cpy'' functions can not have overlapping SRC and DST buffers.
114 ``no passthrough'' versions do not go through to the target. They
115 only transfer values already in the cache. */
117 extern struct regcache
*regcache_dup (struct regcache
*regcache
);
118 extern struct regcache
*regcache_dup_no_passthrough (struct regcache
*regcache
);
119 extern void regcache_cpy (struct regcache
*dest
, struct regcache
*src
);
120 extern void regcache_cpy_no_passthrough (struct regcache
*dest
, struct regcache
*src
);
122 extern char *deprecated_grub_regcache_for_registers (struct regcache
*);
123 extern char *deprecated_grub_regcache_for_register_valid (struct regcache
*);
125 extern int register_cached (int regnum
);
127 extern void set_register_cached (int regnum
, int state
);
129 extern void register_changed (int regnum
);
131 extern void registers_changed (void);
133 extern void registers_fetched (void);
135 extern void read_register_bytes (int regbyte
, char *myaddr
, int len
);
137 extern void read_register_gen (int regnum
, char *myaddr
);
139 extern void write_register_gen (int regnum
, char *myaddr
);
141 extern void write_register_bytes (int regbyte
, char *myaddr
, int len
);
143 /* Rename to read_unsigned_register()? */
144 extern ULONGEST
read_register (int regnum
);
146 /* Rename to read_unsigned_register_pid()? */
147 extern ULONGEST
read_register_pid (int regnum
, ptid_t ptid
);
149 extern LONGEST
read_signed_register (int regnum
);
151 extern LONGEST
read_signed_register_pid (int regnum
, ptid_t ptid
);
153 extern void write_register (int regnum
, LONGEST val
);
155 extern void write_register_pid (int regnum
, CORE_ADDR val
, ptid_t ptid
);
157 #endif /* REGCACHE_H */
This page took 0.035089 seconds and 4 git commands to generate.