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# Copyright 2014-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.
# Utility procedures, shared between test suite domains.
# A helper procedure to retrieve commands to send to GDB before a program
# is started.
proc gdb_init_commands {} {
set commands ""
if [target_info exists gdb_init_command] {
lappend commands [target_info gdb_init_command]
if [target_info exists gdb_init_commands] {
set commands [concat $commands [target_info gdb_init_commands]]
return $commands
# Given an input string, adds backslashes as needed to create a
# regexp that will match the string.
proc string_to_regexp {str} {
set result $str
regsub -all {[]?*+.|(){}^$\[\\]} $str {\\&} result
return $result
# Given a list of strings, adds backslashes as needed to each string to
# create a regexp that will match the string, and join the result.
proc string_list_to_regexp { args } {
set result ""
foreach arg $args {
set arg [string_to_regexp $arg]
append result $arg
return $result
# Wrap STR in an ANSI terminal escape sequences -- one to set the
# style to STYLE, and one to reset the style to the default. The
# return value is suitable for use as a regular expression.
# STYLE can either be the payload part of an ANSI terminal sequence,
# or a shorthand for one of the gdb standard styles: "file",
# "function", "variable", or "address".
proc style {str style} {
switch -exact -- $style {
title { set style 1 }
file { set style 32 }
function { set style 33 }
highlight { set style 31 }
variable { set style 36 }
address { set style 34 }
metadata { set style 2 }
version { set style "35;1" }
none { return $str }
return "\033\\\[${style}m${str}\033\\\[m"