+# Similar to the above, but while multi_line is meant to be used to
+# match GDB output, this one is meant to be used to build strings to
+# send as GDB input.
+
+proc multi_line_input { args } {
+ return [join $args "\n"]
+}
+
+# Return the version of the DejaGnu framework.
+#
+# The return value is a list containing the major, minor and patch version
+# numbers. If the version does not contain a minor or patch number, they will
+# be set to 0. For example:
+#
+# 1.6 -> {1 6 0}
+# 1.6.1 -> {1 6 1}
+# 2 -> {2 0 0}
+
+proc dejagnu_version { } {
+ # The frame_version variable is defined by DejaGnu, in runtest.exp.
+ global frame_version
+
+ verbose -log "DejaGnu version: $frame_version"
+ verbose -log "Expect version: [exp_version]"
+ verbose -log "Tcl version: [info tclversion]"
+
+ set dg_ver [split $frame_version .]
+
+ while { [llength $dg_ver] < 3 } {
+ lappend dg_ver 0
+ }
+
+ return $dg_ver
+}
+
+# Define user-defined command COMMAND using the COMMAND_LIST as the
+# command's definition. The terminating "end" is added automatically.
+
+proc gdb_define_cmd {command command_list} {
+ global gdb_prompt
+
+ set input [multi_line_input {*}$command_list "end"]
+ set test "define $command"
+
+ gdb_test_multiple "define $command" $test {
+ -re "End with" {
+ gdb_test_multiple $input $test {
+ -re "\r\n$gdb_prompt " {
+ }
+ }
+ }
+ }
+}
+
+# Override the 'cd' builtin with a version that ensures that the
+# log file keeps pointing at the same file. We need this because
+# unfortunately the path to the log file is recorded using an
+# relative path name, and, we sometimes need to close/reopen the log
+# after changing the current directory. See get_compiler_info.
+
+rename cd builtin_cd
+
+proc cd { dir } {
+
+ # Get the existing log file flags.
+ set log_file_info [log_file -info]
+
+ # Split the flags into args and file name.
+ set log_file_flags ""
+ set log_file_file ""
+ foreach arg [ split "$log_file_info" " "] {
+ if [string match "-*" $arg] {
+ lappend log_file_flags $arg
+ } else {
+ lappend log_file_file $arg
+ }
+ }
+
+ # If there was an existing file, ensure it is an absolute path, and then
+ # reset logging.
+ if { $log_file_file != "" } {
+ set log_file_file [file normalize $log_file_file]
+ log_file
+ log_file $log_file_flags "$log_file_file"
+ }
+
+ # Call the builtin version of cd.
+ builtin_cd $dir
+}
+
+# Return a list of all languages supported by GDB, suitable for use in
+# 'set language NAME'. This doesn't include either the 'local' or
+# 'auto' keywords.
+proc gdb_supported_languages {} {
+ return [list c objective-c c++ d go fortran modula-2 asm pascal \
+ opencl rust minimal ada]
+}
+
+# Check if debugging is enabled for gdbserver.
+
+proc gdbserver_debug_enabled { } {
+ # Always disabled for GDB only setups.
+ return 0
+}
+