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9c646a6e | 1 | # Test Framework Driver for GDB driving an external simulator |
42a4f53d | 2 | # Copyright 1999-2019 Free Software Foundation, Inc. |
9c646a6e BE |
3 | # |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
9c646a6e | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
9c646a6e BE |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
e22f8b7c | 13 | # |
9c646a6e | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
9c646a6e | 16 | |
9c646a6e | 17 | proc sid_start {} { |
9c646a6e BE |
18 | global verbose |
19 | ||
20 | set port [lindex [split [target_info netport] ":"] 1] | |
21 | ||
22 | # Set a default endianness | |
23 | case [target_info multilib_flags] in { | |
24 | { *big-endian* *-EB* *-meb* } { set sidendian "-EB" } | |
25 | { *little-endian* *-EL* *-mel* } { set sidendian "-EL" } | |
26 | default { | |
27 | if {[target_info exists sim,defaultendian]} then { | |
28 | set sidendian [target_info sim,defaultendian] | |
29 | } else { | |
61d11d80 FCE |
30 | # rely on endianness settings in sid configuration defaults |
31 | set sidendian "" | |
9c646a6e BE |
32 | } |
33 | } | |
34 | } | |
8d6e6f81 FCE |
35 | case $sidendian in { |
36 | { -EB } { set sidendian2 {-e "set cpu endian big"} } | |
37 | { -EL } { set sidendian2 {-e "set cpu endian little"} } | |
38 | default { set sidendian2 {} } | |
39 | } | |
9c646a6e BE |
40 | |
41 | # test to see whether to use use sid in build or install tree | |
42 | set use_build_tree [file exists ../../sid] | |
43 | ||
44 | if {$use_build_tree} then { | |
45 | set pre_spawn { | |
46 | global env | |
47 | set env(SID_LIBRARY_PATH) [join [glob "../../sid/component/*"] ":"] | |
48 | set env(SID) "../../sid/main/dynamic/sid" | |
9c646a6e BE |
49 | if {! [file exists $env(SID)]} then { error "Cannot find sid in build tree" } |
50 | } | |
ca3f91ed | 51 | if { [board_info target sim,protocol] == "sid" } { |
8d6e6f81 | 52 | set spawncmd "[target_info sim] [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\"" |
6079c749 BE |
53 | } elseif { [board_info target sim,protocol] == "rawsid" } { |
54 | set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port" | |
ca3f91ed | 55 | } else { |
8d6e6f81 | 56 | set spawncmd "../../sid/bsp/[target_info sim] $sidendian --gdb=$port [target_info sim,options]" |
ca3f91ed | 57 | } |
9c646a6e BE |
58 | set post_spawn { |
59 | global env | |
60 | unset env(SID_LIBRARY_PATH) | |
9c646a6e BE |
61 | unset env(SID) |
62 | } | |
63 | } else { | |
64 | set pre_spawn {} | |
ca3f91ed MS |
65 | if { [board_info target sim,protocol] == "sid" } { |
66 | # FIXME: sim,options may be from the build tree, should find | |
67 | # it in the install tree. | |
8d6e6f81 | 68 | set spawncmd "sid [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\"" |
6079c749 BE |
69 | } elseif { [board_info target sim,protocol] == "rawsid" } { |
70 | set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port" | |
ca3f91ed | 71 | } else { |
8d6e6f81 | 72 | set spawncmd "[target_info sim] $sidendian --gdb=$port [target_info sim,options]" |
ca3f91ed | 73 | } |
9c646a6e BE |
74 | set post_spawn {} |
75 | } | |
76 | ||
77 | eval $pre_spawn | |
ca3f91ed | 78 | if {[catch [list remote_spawn host $spawncmd] msg]} { |
9c646a6e BE |
79 | perror $msg |
80 | exit 1 | |
81 | } | |
82 | eval $post_spawn | |
83 | ||
8d6e6f81 FCE |
84 | # Don't do the following any more; it breaks with "runtest ... < /dev/null" |
85 | # expect_background { | |
86 | # -re \[^\n\]*\n { | |
87 | # regsub "\n" $expect_out(buffer) {} msg | |
88 | # verbose "SID: $msg" 2 | |
89 | # } | |
90 | # } | |
9c646a6e BE |
91 | |
92 | # There should be no need to sleep to give SID time to start; | |
93 | # GDB would wait for a fair while for the stub to respond. | |
94 | sleep 4 | |
95 | ||
ca3f91ed | 96 | if ![target_info exists gdb,no_push_conn] { |
4ec70201 | 97 | remote_push_conn host |
ca3f91ed | 98 | } |
9c646a6e BE |
99 | } |
100 | ||
101 | # | |
102 | # Handle GDB talking to SID | |
103 | # | |
104 | ||
105 | proc gdb_start {} { | |
106 | sid_start | |
107 | return [default_gdb_start] | |
108 | } | |
109 | ||
110 | proc sid_exit {} { | |
ca3f91ed | 111 | if ![target_info exists gdb,no_push_conn] { |
4ec70201 PA |
112 | remote_close host |
113 | remote_pop_conn host | |
9c646a6e BE |
114 | } |
115 | } | |
116 | ||
117 | proc gdb_exit {} { | |
118 | set result [default_gdb_exit] | |
119 | sid_exit | |
120 | return $result | |
121 | } | |
122 | ||
123 | # | |
124 | # gdb_target_sid | |
125 | # Set gdb to target the simulator | |
126 | # | |
127 | proc send_target_sid { } { | |
128 | # wait a little while, giving sid time to shut down & restart its | |
129 | # gdb socket | |
130 | sleep 4 | |
131 | send_gdb "target [target_info gdb_protocol] [target_info netport]\n" | |
132 | } | |
133 | ||
134 | proc gdb_target_sid { } { | |
135 | global gdb_prompt | |
136 | global exit_status | |
137 | ||
138 | send_target_sid | |
139 | ||
140 | global timeout | |
141 | set prev_timeout $timeout | |
142 | set timeout 60 | |
143 | verbose "Timeout is now $timeout seconds" 2 | |
144 | gdb_expect { | |
66c756c6 MS |
145 | -re ".*\[Ee\]rror.*$gdb_prompt $" { |
146 | perror "Couldn't set target for remote simulator." | |
66c756c6 MS |
147 | gdb_exit |
148 | } | |
9c646a6e BE |
149 | -re "Remote debugging using.*$gdb_prompt" { |
150 | verbose "Set target to sid" | |
151 | } | |
152 | timeout { | |
153 | perror "Couldn't set target for remote simulator." | |
66c756c6 | 154 | gdb_exit |
9c646a6e BE |
155 | } |
156 | } | |
157 | set timeout $prev_timeout | |
158 | verbose "Timeout is now $timeout seconds" 2 | |
159 | } | |
160 | ||
161 | # | |
162 | # gdb_load -- load a file into the debugger. | |
163 | # return a -1 if anything goes wrong. | |
164 | # | |
165 | proc gdb_load { arg } { | |
166 | global verbose | |
167 | global loadpath | |
168 | global loadfile | |
169 | global GDB | |
170 | global gdb_prompt | |
66c756c6 | 171 | global retval |
9c646a6e | 172 | |
7b5ebade KB |
173 | if { $arg != "" } { |
174 | if [gdb_file_cmd $arg] then { return -1 } | |
175 | } | |
176 | ||
9c646a6e BE |
177 | gdb_target_sid |
178 | ||
179 | send_gdb "load\n" | |
180 | global timeout | |
181 | set prev_timeout $timeout | |
182 | set timeout 2400 | |
183 | verbose "Timeout is now $timeout seconds" 2 | |
184 | gdb_expect { | |
66c756c6 MS |
185 | -re ".*\[Ee\]rror.*$gdb_prompt $" { |
186 | if $verbose>1 then { | |
187 | perror "Error during download." | |
188 | } | |
4ec70201 | 189 | set retval -1 |
66c756c6 | 190 | } |
9c646a6e BE |
191 | -re ".*$gdb_prompt $" { |
192 | if $verbose>1 then { | |
193 | send_user "Loaded $arg into $GDB\n" | |
194 | } | |
4ec70201 | 195 | set retval 0 |
9c646a6e BE |
196 | } |
197 | -re "$gdb_prompt $" { | |
198 | if $verbose>1 then { | |
199 | perror "GDB couldn't load." | |
200 | } | |
4ec70201 | 201 | set retval -1 |
9c646a6e BE |
202 | } |
203 | timeout { | |
204 | if $verbose>1 then { | |
205 | perror "Timed out trying to load $arg." | |
206 | } | |
4ec70201 | 207 | set retval -1 |
9c646a6e BE |
208 | } |
209 | } | |
210 | set timeout $prev_timeout | |
66c756c6 | 211 | verbose "Timeout is now $timeout seconds" 2 |
ae59b1da | 212 | return $retval |
9c646a6e | 213 | } |