1 /* Register support routines for the remote server for GDB.
2 Copyright (C) 2001, 2002, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 struct inferior_list_entry
;
26 /* The data for the register cache. Note that we have one per
27 inferior; this is primarily for simplicity, as the performance
28 benefit is minimal. */
34 unsigned char *registers
;
37 struct regcache
*init_register_cache (struct regcache
*regcache
,
38 unsigned char *regbuf
);
40 void regcache_cpy (struct regcache
*dst
, struct regcache
*src
);
42 /* Create a new register cache for INFERIOR. */
44 struct regcache
*new_register_cache (void);
46 struct regcache
*get_thread_regcache (struct thread_info
*thread
, int fetch
);
48 /* Release all memory associated with the register cache for INFERIOR. */
50 void free_register_cache (struct regcache
*regcache
);
52 /* Invalidate cached registers for one or all threads. */
54 void regcache_invalidate_one (struct inferior_list_entry
*);
55 void regcache_invalidate (void);
57 /* Convert all registers to a string in the currently specified remote
60 void registers_to_string (struct regcache
*regcache
, char *buf
);
62 /* Convert a string to register values and fill our register cache. */
64 void registers_from_string (struct regcache
*regcache
, char *buf
);
66 CORE_ADDR
regcache_read_pc (struct regcache
*regcache
);
68 void regcache_write_pc (struct regcache
*regcache
, CORE_ADDR pc
);
70 /* Return a pointer to the description of register ``n''. */
72 struct reg
*find_register_by_number (int n
);
74 int register_size (int n
);
76 int register_cache_size (void);
78 int find_regno (const char *name
);
80 /* The following two variables are set by auto-generated
81 code in the init_registers_... routines. */
82 extern const char **gdbserver_expedite_regs
;
83 extern const char *gdbserver_xmltarget
;
85 void supply_register (struct regcache
*regcache
, int n
, const void *buf
);
87 void supply_register_by_name (struct regcache
*regcache
,
88 const char *name
, const void *buf
);
90 void supply_regblock (struct regcache
*regcache
, const void *buf
);
92 void collect_register (struct regcache
*regcache
, int n
, void *buf
);
94 void collect_register_as_string (struct regcache
*regcache
, int n
, char *buf
);
96 void collect_register_by_name (struct regcache
*regcache
, const char *name
, void *buf
);
98 #endif /* REGCACHE_H */
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