1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
# Test Framework Driver for GDB driving a ROM monitor (via monitor.c).
# Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010, 2011
# Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib gdb.exp
# puts "***** DID USE MONITOR ******"
#
# gdb_target_cmd
# Send gdb the "target" command
#
proc gdb_target_cmd { targetname serialport } {
global gdb_prompt
for {set i 1} {$i <= 3} {incr i} {
send_gdb "target $targetname $serialport\n"
gdb_expect 60 {
-re "A program is being debugged already.*ill it.*y or n. $" {
send_gdb "y\n";
exp_continue;
}
-re "Couldn't establish connection to remote.*$gdb_prompt" {
verbose "Connection failed";
}
-re "Remote MIPS debugging.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Remote debugging using .*$serialport.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Remote target $targetname connected to.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Connected to.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Ending remote.*$gdb_prompt" { }
-re "Connection refused.*$gdb_prompt" {
verbose "Connection refused by remote target. Pausing, and trying again."
sleep 30
continue
}
-re "Timeout reading from remote system.*$gdb_prompt" {
verbose "Got timeout error from gdb.";
}
timeout {
send_gdb "";
break
}
}
}
return 1
}
#
# gdb_target_monitor
# Set gdb to target the monitor
#
proc gdb_target_monitor { exec_file } {
global gdb_prompt
global exit_status
global timeout
if [target_info exists gdb_protocol] {
set targetname "[target_info gdb_protocol]"
} else {
perror "No protocol specified for [target_info name].";
return -1;
}
if [target_info exists baud] {
gdb_test "set remotebaud [target_info baud]" "" ""
}
if [target_info exists binarydownload] {
gdb_test "set remotebinarydownload [target_info binarydownload]" "" ""
}
if { [ target_info exists disable_x_packet ] } {
gdb_test "set remote X-packet disable" ""
}
if { [ target_info exists disable_z_packet ] } {
gdb_test "set remote Z-packet disable" ""
}
if [target_info exists gdb_serial] {
set serialport "[target_info gdb_serial]";
} elseif [target_info exists netport] {
set serialport "[target_info netport]"
} else {
set serialport "[target_info serial]"
}
for {set j 1} {$j <= 2} {incr j} {
if [gdb_file_cmd $exec_file] { return -1; }
if ![gdb_target_cmd $targetname $serialport] { return 0; }
gdb_target_exec;
if { $j == 1 && ![reboot_target] } {
break;
}
}
perror "Couldn't set target for $targetname, port is $serialport.";
return -1;
}
proc gdb_target_exec { } {
gdb_test "target exec" "No executable file now." "" ".*Kill it.*y or n.*" "y"
}
#
# gdb_load -- load a file into the debugger.
# return a -1 if anything goes wrong.
#
proc gdb_load { arg } {
global verbose
global loadpath
global loadfile
global GDB
global gdb_prompt
global timeout
global last_gdb_file;
if { $arg == "" } {
if [info exists last_gdb_file] {
set arg $last_gdb_file;
} else {
send_gdb "info files\n";
gdb_expect 30 {
-re "Symbols from \"(\[^\"\]+)\"" {
set arg $expect_out(1,string);
exp_continue;
}
-re "Local exec file:\[\r\n\]+\[ \t\]*`(\[^'\]+)'," {
set arg $expect_out(1,string);
exp_continue;
}
-re "$gdb_prompt $" { }
}
}
}
set last_gdb_file $arg;
for { set j 1; } { $j <= 2 } {incr j; } {
if [target_info exists gdb,use_standard_load] {
gdb_target_exec;
if ![target_info exists gdb,no_push_conn] {
remote_push_conn host;
}
set state [remote_ld target $arg];
if ![target_info exists gdb,no_push_conn] {
remote_close target;
remote_pop_conn host;
}
if { $state == "pass" } {
if [gdb_target_monitor $arg] { return -1; }
gdb_test "list main" ".*" ""
verbose "Loaded $arg into $GDB\n";
return 0;
}
} else {
if [gdb_target_monitor $arg] { return -1 }
if [is_remote host] {
# FIXME: Multiple downloads. bleah.
set farg [remote_download host $arg];
} else {
set farg $arg;
}
if { $arg != "" && [target_info exists gdb_sect_offset] } {
set textoff [target_info gdb_sect_offset];
send_gdb "sect .text $textoff\n";
gdb_expect 30 {
-re "(0x\[0-9a-z]+) - 0x\[0-9a-z\]+ is \\.data" {
set dataoff $expect_out(1,string);
exp_continue;
}
-re "(0x\[0-9a-z\]+) - 0x\[0-9a-z\]+ is \\.bss" {
set bssoff $expect_out(1,string);
exp_continue;
}
-re "$gdb_prompt" { }
}
set dataoff [format 0x%x [expr $dataoff + $textoff]];
set bssoff [format 0x%x [expr $bssoff + $textoff]];
send_gdb "sect .data $dataoff\n";
gdb_expect 30 {
-re "$gdb_prompt" { }
}
send_gdb "sect .bss $bssoff\n";
gdb_expect 30 {
-re "$gdb_prompt" { }
}
}
verbose "Loading $farg"
if [target_info exists gdb_load_offset] {
set command "load $farg [target_info gdb_load_offset]\n";
} else {
set command "load $farg\n";
}
if [target_info exists gdb_load_timeout] {
set loadtimeout [target_info gdb_load_timeout]
} else {
set loadtimeout 1600
}
if [is_remote target] {
set oldremotetimeout [get_remotetimeout]
set_remotetimeout $loadtimeout
}
set load_ok 0
send_gdb $command;
gdb_expect $loadtimeout {
-re "\[Ff\]ailed.*$gdb_prompt $" {
verbose "load failed";
}
-re "Timeout reading from remote.*$gdb_prompt" {
}
-re "$gdb_prompt $" {
verbose "Loaded $farg into $GDB\n"
set load_ok 1
}
timeout {
if { $verbose > 1 } {
perror "Timed out trying to load $farg."
}
}
}
if [is_remote target] {
set_remotetimeout $oldremotetimeout
}
if { $load_ok == 1 } {
return 0;
}
}
# Make sure we don't have an open connection to the target.
gdb_target_exec;
if { $j == 1 } {
if { ![reboot_target] } {
break;
}
}
}
perror "Couldn't load file into GDB.";
return -1;
}
|