gdb/testsuite/boards/remote-gdbserver-on-localhost.exp

   1 # Copyright 2015-2024 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 # with remote gdbserver on localhost.
  18 #
  19 # To use this file:
  20 # bash$ cd ${build_dir}/gdb
  21 # bash$ make check RUNTESTFLAGS="--target_board=remote-gdbserver-on-localhost
  22 #   [ REMOTE_TARGET_USERNAME=<remote_target_username> ]"
  23
  24 load_generic_config "gdbserver"
  25 load_board_description "gdbserver-base"
  26
  27 # The sshd should be running on localhost and ssh key should be
  28 # correctly set up that you ssh to localhost without having to type
  29 # password.
  30 set_board_info rcp_prog "/usr/bin/scp"
  31 set_board_info rsh_prog "/usr/bin/ssh"
  32 set_board_info protocol standard
  33 if { [info exists REMOTE_TARGET_USERNAME] } {
  34     set_board_info username $REMOTE_TARGET_USERNAME
  35 } else {
  36     set_board_info username $env(USER)
  37 }
  38 set_board_info hostname localhost
  39
  40 save_vars {rsh_cmd res} {
  41     set rsh_cmd \
  42         [join \
  43              [list \
  44                   [board_info $board rsh_prog] \
  45                   -l [board_info $board username] \
  46                   [board_info $board hostname]]]
  47
  48     # Handle separate test account.
  49     if { [board_info $board username] != $env(USER) } {
  50         # We're pretending that some local user account is remote target.
  51         # Make things a bit more realistic by restricting file permissions.
  52
  53         # Make sure remote target can't see files on build.
  54         set res [remote_exec build "chmod go-rx $objdir"]
  55         if { [lindex $res 0] != 0 } {
  56             error "Couldn't remove permissions for $objdir on build"
  57         }
  58
  59         # Make sure build can't see files on remote target.
  60         set res [remote_exec build $rsh_cmd "chmod go-rx ."]
  61         if { [lindex $res 0] != 0 } {
  62             error "Couldn't remove permissions for . on target"
  63         }
  64     }
  65
  66     # Set remotedir by default, to force remote_download target to give an
  67     # absolute file name.
  68     set res [remote_exec build $rsh_cmd pwd]
  69     if { [lindex $res 0] != 0 } {
  70         error "Couldn't set remotedir using pwd"
  71     }
  72     set_board_info remotedir [string trim [lindex $res 1]]
  73 }
  74
  75 proc ${board}_file { dest op args } {
  76     global board_info
  77     set username [board_info $dest username]
  78
  79     if { $op == "absolute" } {
  80         set file [lindex $args 0]
  81
  82         if { [file pathtype $file] == "relative" } {
  83             # Make sure we get an absolute file name relative to home
  84             # dir of $username, not $env(USER).
  85             set pwd [regsub $::env(USER) $::env(HOME) $username]
  86             set file [remote_file build join $pwd $file]
  87         }
  88
  89         return [remote_file build $op $file]
  90     }
  91
  92     # Fall back to standard_file.
  93     return [standard_file $dest $op {*}$args]
  94 }
  95
  96 proc ${board}_spawn { board cmd } {
  97     global board_info
  98
  99     set remote [board_info $board hostname]
 100     set username [board_info $board username]
 101     set RSH [board_info $board rsh_prog]
 102
 103     spawn $RSH -t -l $username $remote $cmd
 104     set board_info($board,fileid) $spawn_id
 105     return $spawn_id
 106 }
 107
 108 # We will be using the standard GDB remote protocol
 109 set_board_info gdb_protocol "remote"
 110
 111 # Use techniques appropriate to a stub
 112 set_board_info use_gdb_stub 1
 113
 114 # This gdbserver can only run a process once per session.
 115 set_board_info gdb,do_reload_on_run 1
 116
 117 # There's no support for argument-passing (yet).
 118 set_board_info noargs 1
 119
 120 set_board_info exit_is_reliable 1