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