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4e052eda | 1 | /* Cache and manage the values of registers for GDB, the GNU debugger. |
3fadccb3 AC |
2 | |
3 | Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, | |
4 | 2001, 2002 Free Software Foundation, Inc. | |
4e052eda AC |
5 | |
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. */ | |
22 | ||
23 | #ifndef REGCACHE_H | |
24 | #define REGCACHE_H | |
25 | ||
3fadccb3 AC |
26 | struct regcache; |
27 | struct gdbarch; | |
28 | ||
29 | extern struct regcache *current_regcache; | |
30 | ||
31 | void regcache_xfree (struct regcache *regcache); | |
32 | struct regcache *regcache_xmalloc (struct gdbarch *gdbarch); | |
33 | ||
61a0eb5b AC |
34 | /* Transfer a raw register [0..NUM_REGS) between core-gdb and the |
35 | regcache. */ | |
36 | ||
3fadccb3 AC |
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); | |
61a0eb5b | 41 | |
193cb69f AC |
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(). */ | |
45 | ||
46 | extern void supply_register (int regnum, char *val); | |
47 | extern void regcache_collect (int regnum, void *buf); | |
48 | ||
49 | ||
61a0eb5b AC |
50 | /* DEPRECATED: Character array containing an image of the inferior |
51 | programs' registers for the most recently referenced thread. */ | |
4e052eda AC |
52 | |
53 | extern char *registers; | |
54 | ||
61a0eb5b AC |
55 | /* DEPRECATED: Character array containing the current state of each |
56 | register (unavailable<0, invalid=0, valid>0) for the most recently | |
57 | referenced thread. */ | |
4e052eda AC |
58 | |
59 | extern signed char *register_valid; | |
60 | ||
3fadccb3 AC |
61 | /* Save/restore the register cache using the regbuf. The operation is |
62 | write through - it is strictly for code that needs to restore the | |
63 | target's registers to a previous state. | |
64 | ||
65 | ``no passthrough'' versions do not go through to the target. They | |
66 | only save values already in the cache. */ | |
67 | ||
68 | extern void regcache_save (struct regcache *regcache); | |
69 | extern void regcache_restore (struct regcache *regcache); | |
70 | extern struct regcache *regcache_dup (struct regcache *regcache); | |
71 | extern void regcache_save_no_passthrough (struct regcache *regcache); | |
72 | extern void regcache_restore_no_passthrough (struct regcache *regcache); | |
73 | extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache); | |
74 | extern void regcache_cpy (struct regcache *dest, struct regcache *src); | |
75 | extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src); | |
76 | ||
77 | extern char *deprecated_grub_regcache_for_registers (struct regcache *); | |
78 | extern char *deprecated_grub_regcache_for_register_valid (struct regcache *); | |
79 | ||
4e052eda AC |
80 | extern int register_cached (int regnum); |
81 | ||
82 | extern void set_register_cached (int regnum, int state); | |
83 | ||
84 | extern void register_changed (int regnum); | |
85 | ||
4e052eda AC |
86 | extern void registers_changed (void); |
87 | ||
88 | extern void registers_fetched (void); | |
89 | ||
90 | extern void read_register_bytes (int regbyte, char *myaddr, int len); | |
91 | ||
92 | extern void read_register_gen (int regnum, char *myaddr); | |
93 | ||
94 | extern void write_register_gen (int regnum, char *myaddr); | |
95 | ||
96 | extern void write_register_bytes (int regbyte, char *myaddr, int len); | |
97 | ||
98 | /* Rename to read_unsigned_register()? */ | |
99 | extern ULONGEST read_register (int regnum); | |
100 | ||
101 | /* Rename to read_unsigned_register_pid()? */ | |
39f77062 | 102 | extern ULONGEST read_register_pid (int regnum, ptid_t ptid); |
4e052eda AC |
103 | |
104 | extern LONGEST read_signed_register (int regnum); | |
105 | ||
39f77062 | 106 | extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid); |
4e052eda AC |
107 | |
108 | extern void write_register (int regnum, LONGEST val); | |
109 | ||
39f77062 | 110 | extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid); |
4e052eda | 111 | |
4e052eda | 112 | #endif /* REGCACHE_H */ |