gdb/testsuite/config/monitor.exp

   1 # Test Framework Driver for GDB driving a ROM monitor (via monitor.c).
   2 #   Copyright 1995, 1997 Free Software Foundation, Inc.
   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
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   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.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 load_lib gdb.exp
  19
  20 #
  21 # gdb_target_monitor
  22 # Set gdb to target the monitor
  23 #
  24 proc gdb_target_monitor { exec_file } {
  25     global gdb_prompt
  26     global exit_status
  27     global timeout
  28
  29     if [target_info exists gdb_protocol] {
  30         set targetname "[target_info gdb_protocol]"
  31     } else {
  32         perror "No protocol specified for [target_info name].";
  33         return -1;
  34     }
  35     if [target_info exists baud] {
  36         gdb_test "set remotebaud [target_info baud]" "" ""
  37     }
  38     if [target_info exists gdb_serial] {
  39        set serialport "[target_info gdb_serial]";
  40     } elseif [target_info exists netport] {
  41         set serialport "[target_info netport]"
  42     } else {
  43         set serialport "[target_info serial]"
  44     }
  45
  46     for {set j 1} {$j <= 2} {incr j} {
  47         if [gdb_file_cmd $exec_file] { return -1; }
  48
  49         for {set i 1} {$i <= 3} {incr i} {
  50             send_gdb "target $targetname $serialport\n"
  51             gdb_expect 60 {
  52                 -re "A program is being debugged already.*ill it.*y or n. $" {
  53                     send_gdb "y\n";
  54                     exp_continue;
  55                 }
  56                 -re "Couldn't establish connection to remote.*$gdb_prompt" {
  57                     verbose "Connection failed";
  58                 }
  59                 -re "Remote MIPS debugging.*$gdb_prompt" {
  60                     verbose "Set target to $targetname";
  61                     return 0;
  62                 }
  63                 -re "Remote debugging using $serialport.*$gdb_prompt" {
  64                     verbose "Set target to $targetname";
  65                     return 0;
  66                 }
  67                 -re "Remote target $targetname connected to.*$gdb_prompt" {
  68                     verbose "Set target to $targetname";
  69                     return 0;
  70                 }
  71                 -re "Ending remote.*$gdb_prompt" { }
  72                 -re "Connection refused.*$gdb_prompt" {
  73                     verbose "Connection refused by remote target.  Pausing, and trying again."
  74                     sleep 30
  75                     continue
  76                 }
  77                 timeout {
  78                     send_gdb "\ 3";
  79                     break
  80                 }
  81             }
  82         }
  83
  84         gdb_target_exec;
  85
  86         if { $j == 1 && ![reboot_target] } {
  87             break;
  88         }
  89     }
  90
  91     perror "Couldn't set target for $targetname, port is $serialport.";
  92     return -1;
  93 }
  94
  95 proc gdb_target_exec { } {
  96     gdb_test "target exec" "No exec file now." "" ".*Kill it.*y or n.*" "y"
  97
  98 }
  99 #
 100 # gdb_load -- load a file into the debugger.
 101 #             return a -1 if anything goes wrong.
 102 #
 103 proc gdb_load { arg } {
 104     global verbose
 105     global loadpath
 106     global loadfile
 107     global GDB
 108     global gdb_prompt
 109     global timeout
 110
 111     if { $arg == "" } {
 112         send_gdb "info files\n";
 113         gdb_expect 30 {
 114             -re "Symbols from \"(\[^\"\]+)\"" {
 115                 set arg $expect_out(1,string);
 116                 exp_continue;
 117             }
 118             -re "Local exec file:\[\r\n\]+\[ \t\]*`(\[^'\]+)'," {
 119                 set arg $expect_out(1,string);
 120                 exp_continue;
 121             }
 122             -re "$gdb_prompt $" { }
 123         }
 124     }
 125
 126     for { set j 1; } { $j <= 2 } {incr j; } {
 127         if [target_info exists gdb,use_standard_load] {
 128             gdb_target_exec;
 129             remote_push_conn host;
 130             set state [remote_ld target $arg];
 131             remote_close target;
 132             remote_pop_conn host;
 133             if { $state == "pass" } {
 134                 if [gdb_target_monitor $arg] { return -1; }
 135                 gdb_test "list main" ".*" ""
 136                 verbose "Loaded $arg into $GDB\n";
 137                 return 0;
 138             }
 139         } else {
 140
 141             if [gdb_target_monitor $arg] { return -1 }
 142
 143             if [is_remote host] {
 144                 # FIXME: Multiple downloads. bleah.
 145                 set farg [remote_download host $arg];
 146             } else {
 147                 set farg $arg;
 148             }
 149
 150             if { $arg != "" && [target_info exists gdb_sect_offset] } {
 151                 set textoff [target_info gdb_sect_offset];
 152                 send_gdb "sect .text $textoff\n";
 153                 gdb_expect 30 {
 154                     -re "(0x\[0-9a-z]+) - 0x\[0-9a-z\]+ is \\.data" {
 155                         set dataoff $expect_out(1,string);
 156                         exp_continue;
 157                     }
 158                     -re "(0x\[0-9a-z\]+) - 0x\[0-9a-z\]+ is \\.bss" {
 159                         set bssoff $expect_out(1,string);
 160                         exp_continue;
 161                     }
 162                     -re "$gdb_prompt" { }
 163                 }
 164                 set dataoff [format 0x%x [expr $dataoff + $textoff]];
 165                 set bssoff [format 0x%x [expr $bssoff + $textoff]];
 166                 send_gdb "sect .data $dataoff\n";
 167                 gdb_expect 30 {
 168                     -re "$gdb_prompt" { }
 169                 }
 170                 send_gdb "sect .bss $bssoff\n";
 171                 gdb_expect 30 {
 172                     -re "$gdb_prompt" { }
 173                 }
 174             }
 175
 176             verbose "Loading $farg"
 177             if [target_info exists gdb_load_offset] {
 178                 set command "load $farg [target_info gdb_load_offset]\n";
 179             } else {
 180                 set command "load $farg\n";
 181             }
 182             send_gdb $command;
 183             gdb_expect 1600 {
 184                 -re "\[Ff\]ailed.*$gdb_prompt $" {
 185                     verbose "load failed";
 186                 }
 187                 -re "Timeout reading from remote.*$gdb_prompt" {
 188                 }
 189                 -re "$gdb_prompt $" {
 190                     verbose "Loaded $farg into $GDB\n"
 191                     return 0;
 192                 }
 193                 timeout {
 194                     if { $verbose > 1 } {
 195                         perror "Timed out trying to load $farg."
 196                     }
 197                 }
 198             }
 199         }
 200
 201         # Make sure we don't have an open connection to the target.
 202         gdb_target_exec;
 203
 204         if { $j == 1 } {
 205             if { ![reboot_target] } {
 206                 break;
 207             }
 208         }
 209     }
 210     perror "Couldn't load file into GDB.";
 211     return -1;
 212 }