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e2882c85 | 1 | # Copyright 1993-2018 Free Software Foundation, Inc. |
c906108c SS |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
8 | # This program is distributed in the hope that it will be useful, |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
e22f8b7c | 12 | # |
c906108c | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 15 | |
c906108c SS |
16 | # This file was written by Ian Lance Taylor <ian@cygnus.com>. |
17 | ||
18 | # GDB support routines for a board using the MIPS remote debugging | |
19 | # protocol. These are actually pretty generic. | |
20 | ||
21 | # DejaGnu currently assumes that debugging is being done over the main | |
22 | # console port. It would probably be more convenient for people using | |
23 | # IDT boards to permit the debugging port and the connected port to be | |
24 | # different, since an IDT board has two ports. This would require | |
25 | # extending some of the tests in a fashion similar to that done for | |
26 | # VxWorks, because the test output would appear on the other port, | |
27 | # rather than being displayed by gdb. | |
28 | ||
29 | load_lib remote.exp | |
30 | load_lib gdb.exp | |
31 | set gdb_prompt "\\(gdb\\)" | |
32 | ||
33 | # | |
34 | # gdb_load -- load a file into the GDB. | |
35 | # Returns a 0 if there was an error, | |
36 | # 1 if it load successfully. | |
37 | # | |
38 | proc gdb_load { arg } { | |
39 | global verbose | |
40 | global loadpath | |
41 | global loadfile | |
42 | global gdb_prompt | |
43 | global GDB | |
44 | global expect_out | |
45 | ||
46 | set loadfile [file tail $arg] | |
47 | set loadpath [file dirname $arg] | |
48 | ||
49 | gdb_file_cmd $arg | |
50 | ||
51 | if [target_info exists gdb_protocol] { | |
4ec70201 | 52 | set protocol [target_info gdb_protocol] |
c906108c SS |
53 | } else { |
54 | set protocol "sparclite" | |
55 | } | |
56 | ||
57 | if [target_info exists serial] { | |
4ec70201 PA |
58 | set targetname [target_info serial] |
59 | set command "target $protocol [target_info serial]\n" | |
c906108c SS |
60 | } else { |
61 | if ![target_info exists netport] { | |
4ec70201 | 62 | perror "Need either netport or gdb_serial entry for [target_info name]." |
ae59b1da | 63 | return -1 |
c906108c | 64 | } |
4ec70201 PA |
65 | set targetname [target_info netport] |
66 | set command "target $protocol udp [target_info netport]\n" | |
c906108c SS |
67 | } |
68 | set timeout 60 | |
69 | verbose "Timeout is now $timeout seconds" 2 | |
4ec70201 PA |
70 | set try_count 0 |
71 | send_gdb $command | |
c906108c SS |
72 | gdb_expect { |
73 | -re "Unknown response.*resetting the board.|remote timeout" { | |
4ec70201 | 74 | incr try_count |
c906108c | 75 | if { $try_count > 3 } { |
4ec70201 PA |
76 | set try_count 0 |
77 | reboot_target | |
78 | sleep 5 | |
c906108c | 79 | } |
4ec70201 PA |
80 | sleep 1 |
81 | send_gdb $command | |
82 | exp_continue | |
c906108c SS |
83 | } |
84 | -re "Remote target.*$gdb_prompt $" { } | |
85 | -re ".*SPARClite appears to be alive.*$gdb_prompt $" { | |
86 | if $verbose>1 then { | |
87 | send_user "Set target to $targetname\n" | |
88 | } | |
89 | } | |
90 | timeout { | |
91 | perror "Couldn't set SLITE target." | |
92 | set timeout 10 | |
93 | verbose "Timeout is now $timeout seconds" 2 | |
94 | return -1 | |
95 | } | |
96 | } | |
97 | ||
98 | if [target_info exists gdb_load_offset] { | |
4ec70201 | 99 | set offset "[target_info gdb_load_offset]" |
c906108c | 100 | } else { |
4ec70201 | 101 | set offset "" |
c906108c SS |
102 | } |
103 | if { 1 } { | |
104 | if [is_remote host] { | |
4ec70201 | 105 | set arg [remote_download host $arg] |
c906108c SS |
106 | if { $arg == "" } { |
107 | error "download failed" | |
ae59b1da | 108 | return -1 |
c906108c SS |
109 | } |
110 | } | |
111 | send_gdb "load $arg $offset\n" | |
112 | verbose "Loading $arg into $GDB" 2 | |
113 | set timeout 2400 | |
114 | verbose "Timeout is now $timeout seconds" 2 | |
115 | gdb_expect { | |
116 | -re "Loading.*$gdb_prompt $" { | |
117 | verbose "Loaded $arg into $GDB" 1 | |
118 | set timeout 30 | |
119 | verbose "Timeout is now $timeout seconds" 2 | |
120 | } | |
121 | -re "$gdb_prompt $" { | |
122 | if $verbose>1 then { | |
123 | perror "GDB couldn't load." | |
124 | } | |
125 | } | |
126 | timeout { | |
127 | if $verbose>1 then { | |
128 | perror "Timed out trying to load $arg." | |
129 | } | |
130 | } | |
131 | } | |
132 | } | |
133 | # Some SPARClite boards automagically do a run after the program is | |
134 | # loaded. | |
135 | if [target_info exists need_monitor_run] { | |
136 | set timeout 10 | |
137 | verbose "Timeout is now $timeout seconds, doing monitor run" 2 | |
4ec70201 PA |
138 | send_gdb "monitor run\n" |
139 | sleep 2 | |
140 | send_gdb "\ 3" | |
c906108c SS |
141 | gdb_expect { |
142 | -re ".*$gdb_prompt $" { verbose "Run command succeded" } | |
143 | default { | |
4ec70201 | 144 | perror "error sending monitor run command" |
c906108c SS |
145 | } |
146 | } | |
147 | } else { | |
4ec70201 | 148 | sleep 2 |
c906108c SS |
149 | } |
150 | ||
151 | if [target_info exists gdb_serial] { | |
4ec70201 | 152 | set serial [target_info gdb_serial] |
c906108c | 153 | } else { |
4ec70201 | 154 | set serial [target_info serial] |
c906108c SS |
155 | } |
156 | send_gdb "target remote $serial\n" | |
157 | set timeout 60 | |
158 | verbose "Timeout is now $timeout seconds" 2 | |
159 | gdb_expect { | |
160 | -re ".*Kill it?.*y or n.*" { | |
4ec70201 | 161 | send_gdb "y\n" |
c906108c SS |
162 | exp_continue |
163 | } | |
164 | -re ".*$gdb_prompt $" { | |
165 | verbose "Set remote target to [target_info serial]" 2 | |
166 | } | |
167 | timeout { | |
168 | perror "Couldn't set remote target." | |
169 | set timeout 10 | |
170 | verbose "Timeout is now $timeout seconds" 2 | |
171 | return -1 | |
172 | } | |
173 | } | |
174 | ||
175 | if [info exists expect_out(buffer)] then { | |
176 | send_log $expect_out(buffer) | |
177 | } | |
178 | return 0 | |
179 | } |