Commit | Line | Data |
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ce3a066d | 1 | /* Target operations for the remote server for GDB. |
f450004a | 2 | Copyright 2002, 2004, 2005 |
ce3a066d DJ |
3 | Free Software Foundation, Inc. |
4 | ||
5 | Contributed by MontaVista Software. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | #include "server.h" | |
25 | ||
26 | struct target_ops *the_target; | |
27 | ||
0d62e5e8 DJ |
28 | void |
29 | set_desired_inferior (int use_general) | |
30 | { | |
31 | struct thread_info *found; | |
32 | ||
33 | if (use_general == 1) | |
34 | { | |
35 | found = (struct thread_info *) find_inferior_id (&all_threads, | |
36 | general_thread); | |
37 | } | |
38 | else | |
39 | { | |
40 | found = NULL; | |
41 | ||
42 | /* If we are continuing any (all) thread(s), use step_thread | |
43 | to decide which thread to step and/or send the specified | |
44 | signal to. */ | |
d592fa2f DJ |
45 | if ((step_thread != 0 && step_thread != -1) |
46 | && (cont_thread == 0 || cont_thread == -1)) | |
0d62e5e8 DJ |
47 | found = (struct thread_info *) find_inferior_id (&all_threads, |
48 | step_thread); | |
49 | ||
50 | if (found == NULL) | |
51 | found = (struct thread_info *) find_inferior_id (&all_threads, | |
52 | cont_thread); | |
53 | } | |
54 | ||
55 | if (found == NULL) | |
56 | current_inferior = (struct thread_info *) all_threads.head; | |
57 | else | |
58 | current_inferior = found; | |
59 | } | |
60 | ||
c3e735a6 | 61 | int |
f450004a | 62 | read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len) |
611cb4a5 | 63 | { |
c3e735a6 DJ |
64 | int res; |
65 | res = (*the_target->read_memory) (memaddr, myaddr, len); | |
611cb4a5 | 66 | check_mem_read (memaddr, myaddr, len); |
c3e735a6 | 67 | return res; |
611cb4a5 DJ |
68 | } |
69 | ||
70 | int | |
f450004a DJ |
71 | write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr, |
72 | int len) | |
0d62e5e8 DJ |
73 | { |
74 | /* Lacking cleanups, there is some potential for a memory leak if the | |
75 | write fails and we go through error(). Make sure that no more than | |
76 | one buffer is ever pending by making BUFFER static. */ | |
f450004a | 77 | static unsigned char *buffer = 0; |
0d62e5e8 DJ |
78 | int res; |
79 | ||
80 | if (buffer != NULL) | |
81 | free (buffer); | |
82 | ||
83 | buffer = malloc (len); | |
84 | memcpy (buffer, myaddr, len); | |
85 | check_mem_write (memaddr, buffer, len); | |
86 | res = (*the_target->write_memory) (memaddr, buffer, len); | |
87 | free (buffer); | |
88 | buffer = NULL; | |
89 | ||
90 | return res; | |
91 | } | |
92 | ||
93 | unsigned char | |
94 | mywait (char *statusp, int connected_wait) | |
611cb4a5 | 95 | { |
0d62e5e8 DJ |
96 | unsigned char ret; |
97 | ||
98 | if (connected_wait) | |
99 | server_waiting = 1; | |
100 | ||
101 | ret = (*the_target->wait) (statusp); | |
102 | ||
103 | if (connected_wait) | |
104 | server_waiting = 0; | |
105 | ||
106 | return ret; | |
611cb4a5 DJ |
107 | } |
108 | ||
ce3a066d DJ |
109 | void |
110 | set_target_ops (struct target_ops *target) | |
111 | { | |
112 | the_target = (struct target_ops *) malloc (sizeof (*the_target)); | |
113 | memcpy (the_target, target, sizeof (*the_target)); | |
114 | } |