gdb/testsuite/boards/native-extended-gdbserver.exp

   1 # Copyright 2011-2021 Free Software Foundation, Inc.
   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
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   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.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is a dejagnu "board file" and is used to run the testsuite
  17 # natively with gdbserver, in extended-remote mode.
  18 #
  19 # To use this file:
  20 # bash$ cd ${build_dir}/gdb
  21 # bash$ make check RUNTESTFLAGS="--target_board=native-extended-gdbserver"
  22
  23 load_generic_config "extended-gdbserver"
  24 load_board_description "gdbserver-base"
  25 load_board_description "local-board"
  26
  27 # We will be using the extended GDB remote protocol.
  28 set_board_info gdb_protocol "extended-remote"
  29
  30 send_user "configuring for gdbserver local testing (extended-remote)\n"
  31
  32 # We must load this explicitly here, and rename the procedures we want
  33 # to override.  If we didn't do this, given that mi-support.exp is
  34 # loaded later in the test files, the procedures loaded then would
  35 # override our definitions.
  36 load_lib mi-support.exp
  37
  38 # Overriden in order to start a "gdbserver --multi" instance whenever
  39 # GDB is started.  Note nothing is needed for gdb_exit, since
  40 # gdbserver is started with --once, causing it to exit once GDB
  41 # disconnects.
  42 proc gdb_start { } {
  43     # Spawn GDB.
  44     default_gdb_start
  45
  46     # And then GDBserver, ready for extended-remote mode.
  47     gdbserver_start_multi
  48
  49     return 0
  50 }
  51
  52 # Likewise, for MI.
  53 #
  54 if { [info procs extended_gdbserver_mi_gdb_start] == "" } {
  55     rename mi_gdb_start extended_gdbserver_mi_gdb_start
  56 }
  57 proc mi_gdb_start { args } {
  58     global gdbserver_reconnect_p
  59
  60     # Spawn GDB.
  61     set res [extended_gdbserver_mi_gdb_start $args]
  62     if { $res } {
  63         return $res
  64     }
  65
  66     # And then spawn GDBserver and connect to it in extended-remote
  67     # mode, unless the test wants to explicitly test reconnection.
  68     if {![info exists gdbserver_reconnect_p] || !$gdbserver_reconnect_p} {
  69         mi_gdbserver_start_multi
  70     }
  71     return 0
  72 }
  73
  74 # Helper that runs "set remote exec-file" with the last loaded file.
  75
  76 proc extended_gdbserver_load_last_file {} {
  77     global gdb_prompt
  78     global last_loaded_file
  79
  80     send_gdb "set remote exec-file $last_loaded_file\n"
  81     gdb_expect {
  82         -re "$gdb_prompt $" {}
  83         timeout {
  84             perror "couldn't set the remote exec-file (timed out)."
  85             return -1
  86         }
  87     }
  88
  89     return 0
  90 }
  91
  92 # Overriden in order to set the remote exec-file whenever a file is
  93 # loaded to gdb.
  94 #
  95 if { [info procs extended_gdbserver_gdb_file_cmd] == "" } {
  96     rename gdb_file_cmd extended_gdbserver_gdb_file_cmd
  97 }
  98 proc gdb_file_cmd { arg } {
  99     if [extended_gdbserver_gdb_file_cmd $arg] {
 100         return -1
 101     }
 102     return [extended_gdbserver_load_last_file]
 103 }
 104
 105 proc gdb_reload { {inferior_args {}} } {
 106     return [extended_gdbserver_load_last_file]
 107 }
 108
 109 # With the two procedure overrides above, it shouldn't be necessary to
 110 # override this one too.  However, not doing so regresses
 111 # gdb.base/dbx.exp.  See comments above gdb.base/dbx.exp:gdb_file_cmd.
 112 # Once testing of the "symbol-file"/"exec-file" commands is moved out
 113 # to a separate non-dbx testcase, we should be able to remove this.
 114 proc gdb_load { arg } {
 115     if { $arg != "" } {
 116         if [gdb_file_cmd $arg] then { return -1 }
 117     }
 118
 119     return [extended_gdbserver_load_last_file]
 120 }
 121
 122
 123 # Likewise, for MI.
 124 #
 125 if { [info procs extended_gdbserver_mi_gdb_load] == "" } {
 126     rename mi_gdb_load extended_gdbserver_mi_gdb_load
 127 }
 128 proc mi_gdb_load { arg } {
 129     global mi_gdb_prompt
 130
 131     set res [extended_gdbserver_mi_gdb_load $arg]
 132     if { $res } then { return -1 }
 133
 134     send_gdb "100-gdb-set remote exec-file $arg\n"
 135     gdb_expect 10 {
 136         -re ".*100-gdb-set remote exec-file $arg\r\n100\\\^done\r\n$mi_gdb_prompt$" {
 137             verbose "set the remote exec-file to $arg."
 138         }
 139         timeout {
 140             perror "couldn't set the remote exec-file (timed out)."
 141         }
 142     }
 143
 144     return 0
 145 }