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runtest.exp
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# runtest.exp -- Test framework driver
# Copyright (C) 1992-2019, 2020, 2022 Free Software Foundation, Inc.
#
# This file is part of DejaGnu.
#
# DejaGnu 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.
#
# DejaGnu is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DejaGnu; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
# This file was written by Rob Savoye <[email protected]>.
set frame_version 1.6.4-git
if {![info exists argv0]} {
send_error "Must use a version of Expect greater than 5.0\n"
exit 1
}
# trap some signals so we know whats happening. These definitions are only
# temporary until we read in the library stuff
#
trap { send_user "\ninterrupted by user\n"; exit 130 } SIGINT
trap { send_user "\nquit\n"; exit 131 } SIGQUIT
trap { send_user "\nterminated\n"; exit 143 } SIGTERM
#
# Initialize a few global variables used by all tests.
# `reset_vars' resets several of these, we define them here to document their
# existence. In fact, it would be nice if all globals used by some interface
# of dejagnu proper were documented here.
#
# Keep these all lowercase. Interface variables used by the various
# testsuites (eg: the gcc testsuite) should be in all capitals
# (eg: TORTURE_OPTIONS).
#
set mail_logs 0 ;# flag for mailing of summary and diff logs
set psum_file "latest" ;# file name of previous summary to diff against
set exit_status 0 ;# exit code returned by this program
set xfail_flag 0 ;# indicates that a failure is expected
set xfail_prms 0 ;# GNATS prms id number for this expected failure
set kfail_flag 0 ;# indicates that it is a known failure
set kfail_prms 0 ;# bug id for the description of the known failure
set sum_file "" ;# name of the file that contains the summary log
set base_dir "" ;# the current working directory
set xml_file "" ;# handle on the XML file if requested
set xml 0 ;# flag for requesting xml
set logname "" ;# the users login name
set prms_id 0 ;# GNATS prms id number
set bug_id 0 ;# optional bug id number
set dir "" ;# temp variable for directory names
set srcdir "." ;# source directory containing the test suite
set ignoretests "" ;# list of tests to not execute
set objdir "." ;# directory where test case binaries live
set reboot 0
set multipass "" ;# list of passes and var settings
set errno ""; ;#
set exit_error 1 ;# Toggle for whether to set the exit status
;# on Tcl bugs in test case drivers.
#
# These describe the host and target environments.
#
set build_triplet "" ;# type of architecture to run tests on
set build_os "" ;# type of os the tests are running on
set build_vendor "" ;# vendor name of the OS or workstation the test are running on
set build_cpu "" ;# type of the cpu tests are running on
set host_triplet "" ;# type of architecture to run tests on, sometimes remotely
set host_os "" ;# type of os the tests are running on
set host_vendor "" ;# vendor name of the OS or workstation the test are running on
set host_cpu "" ;# type of the cpu tests are running on
set target_triplet "" ;# type of architecture to run tests on, final remote
set target_os "" ;# type of os the tests are running on
set target_vendor "" ;# vendor name of the OS or workstation the test are running on
set target_cpu "" ;# type of the cpu tests are running on
set target_alias "" ;# standard abbreviation of target
set compiler_flags "" ;# the flags used by the compiler
#
# These set configuration file names and are local to this file.
#
set local_init_file site.exp ;# testsuite-local init file name
set global_init_file site.exp ;# global init file name
#
# These are used to locate parts of the testsuite.
#
set testsuitedir "testsuite" ;# top-level testsuite source directory
set testbuilddir "testsuite" ;# top-level testsuite object directory
#
# Collected errors
#
namespace eval ::dejagnu::error {
# list of { file message errorCode errorInfo } lists
variable list [list]
}
# Various ccache versions provide incorrect debug info such as ignoring
# different current directory, breaking GDB testsuite.
set env(CCACHE_DISABLE) 1
unset -nocomplain env(CCACHE_NODISABLE)
#
# some convenience abbreviations
#
set hex "0x\[0-9A-Fa-f\]+"
set decimal "\[0-9\]+"
#
# set the base dir (current working directory)
#
set base_dir [pwd]
#
# These are set here instead of the init module so they can be overridden
# by command line options.
#
set all_flag 0
set binpath ""
set debug 0
set options ""
set outdir "."
set reboot 1
set tracelevel 0
set verbose 0
set log_dialog 0
#
# verbose [-n] [-log] [--] message [level]
#
# Print MESSAGE if the verbose level is >= LEVEL.
# The default value of LEVEL is 1.
# "-n" says to not print a trailing newline.
# "-log" says to add the text to the log file even if it won't be printed.
# Note that the apparent behaviour of `send_user' dictates that if the message
# is printed it is also added to the log file.
# Use "--" if MESSAGE begins with "-".
#
# This is defined here rather than in framework.exp so we can use it
# while still loading in the support files.
#
proc verbose { args } {
global verbose
set newline 1
set logfile 0
set i 0
if { [string index [lindex $args 0] 0] eq "-" } {
for { set i 0 } { $i < [llength $args] } { incr i } {
if { [lindex $args $i] eq "--" } {
incr i
break
} elseif { [lindex $args $i] eq "-n" } {
set newline 0
} elseif { [lindex $args $i] eq "-log" } {
set logfile 1
} elseif { [lindex $args $i] eq "-x" } {
set xml 1
} elseif { [string index [lindex $args $i] 0] eq "-" } {
clone_output "ERROR: verbose: illegal argument: [lindex $args $i]"
return
} else {
break
}
}
if { [llength $args] == $i } {
clone_output "ERROR: verbose: nothing to print"
return
}
}
set level 1
if { [llength $args] > $i + 1 } {
set level [lindex $args [expr { $i + 1 }]]
}
set message [lindex $args $i]
if { $verbose >= $level } {
# We assume send_user also sends the text to the log file (which
# appears to be the case though the docs aren't clear on this).
if { $newline } {
send_user -- "$message\n"
} else {
send_user -- $message
}
} elseif { $logfile } {
if { $newline } {
send_log -- "$message\n"
} else {
send_log -- $message
}
}
}
#
# Transform a tool name to get the installed name.
# target_triplet is the canonical target name. target_alias is the
# target name used when configure was run.
#
proc transform { name } {
global target_triplet
global target_alias
global host_triplet
global board
if { $target_triplet eq $host_triplet } {
return $name
}
if { $target_triplet eq "native" } {
return $name
}
if {[board_info host exists no_transform_name]} {
return $name
}
if { $target_triplet eq "" } {
return $name
} else {
if {[info exists board]} {
if {[board_info $board exists target_install]} {
set target_install [board_info $board target_install]
}
}
if {[target_info exists target_install]} {
set target_install [target_info target_install]
}
if {[info exists target_alias]} {
set tmp $target_alias-$name
} elseif {[info exists target_install]} {
if { [lsearch -exact $target_install $target_alias] >= 0 } {
set tmp $target_alias-$name
} else {
set tmp "[lindex $target_install 0]-$name"
}
}
verbose "Transforming $name to $tmp"
return $tmp
}
}
#
# findfile arg0 [arg1] [arg2]
#
# Find a file and see if it exists. If you only care about the false
# condition, then you'll need to pass a null "" for arg1.
# arg0 is the filename to look for. If the only arg,
# then that's what gets returned. If this is the
# only arg, then if it exists, arg0 gets returned.
# if it doesn't exist, return only the prog name.
# arg1 is optional, and it's what gets returned if
# the file exists.
# arg2 is optional, and it's what gets returned if
# the file doesn't exist.
#
proc findfile { args } {
# look for the file
verbose "Seeing if [lindex $args 0] exists." 2
if {[file exists [lindex $args 0]]} {
if { [llength $args] > 1 } {
verbose "Found file, returning [lindex $args 1]"
return [lindex $args 1]
} else {
verbose "Found file, returning [lindex $args 0]"
return [lindex $args 0]
}
} else {
if { [llength $args] > 2 } {
verbose "Didn't find file [lindex $args 0], returning [lindex $args 2]"
return [lindex $args 2]
} else {
verbose "Didn't find file, returning [file tail [lindex $args 0]]"
return [transform [file tail [lindex $args 0]]]
}
}
}
#
# load_file [-1] [--] file1 [ file2 ... ]
#
# Utility to source a file. All are sourced in order unless the flag "-1"
# is given in which case we stop after finding the first one.
# The result is 1 if a file was found, 0 if not.
# If a tcl error occurs while sourcing a file, we print an error message
# and exit.
#
proc load_file { args } {
set i 0
set only_one 0
if { [lindex $args $i] eq "-1" } {
set only_one 1
incr i
}
if { [lindex $args $i] eq "--" } {
incr i
}
set found 0
foreach file [lrange $args $i end] {
verbose "Looking for $file" 2
# In Tcl, "file exists" fails if the filename looks like
# ~/FILE and the environment variable HOME does not exist.
if {! [catch {file exists $file} result] && $result} {
set found 1
verbose "Found $file"
if { [catch "uplevel #0 source $file"] == 1 } {
send_error "ERROR: tcl error sourcing $file.\n"
global errorInfo
if {[info exists errorInfo]} {
send_error "$errorInfo\n"
}
exit 1
}
if { $only_one } {
break
}
}
}
return $found
}
#
# search_and_load_file -- search DIRLIST looking for FILELIST.
# TYPE is used when displaying error and progress messages.
#
proc search_and_load_file { type filelist dirlist } {
set found 0
foreach dir $dirlist {
foreach initfile $filelist {
set filename [file join $dir $initfile]
verbose "Looking for $type $filename" 2
if {[file exists $filename]} {
set found 1
set error ""
if { $type ne "library file" } {
send_user "Using $filename as $type.\n"
} else {
verbose "Loading $filename"
}
if {[catch "uplevel #0 source $filename" error] == 1} {
global errorInfo
send_error "ERROR: tcl error sourcing $type $filename.\n$error\n"
if {[info exists errorInfo]} {
send_error "$errorInfo\n"
}
exit 1
}
break
}
}
if { $found } {
break
}
}
return $found
}
#
# Give a usage statement.
#
proc usage { } {
global tool
send_user "USAGE: runtest \[options...\]\n"
send_user "\t--all, -a\t\tPrint all test output to screen\n"
send_user "\t--build \[triplet\]\tThe canonical triplet of the build machine\n"
send_user "\t--debug\t\t\tSet expect debugging ON\n"
send_user "\t--directory name\tRun only the tests in directory 'name'\n"
send_user "\t--global_init \[name\]\tThe file to load for global configuration\n"
send_user "\t--help\t\t\tPrint help text\n"
send_user "\t--host \[triplet\]\tThe canonical triplet of the host machine\n"
send_user "\t--host_board \[name\]\tThe host board to use\n"
send_user "\t--ignore \[name(s)\]\tThe names of specific tests to ignore\n"
send_user "\t--local_init \[name\]\tThe file to load for local configuration\n"
send_user "\t--log_dialog\t\t\Emit Expect output on stdout\n"
send_user "\t--mail \[name(s)\]\tWhom to mail the results to\n"
send_user "\t--objdir \[name\]\t\tThe test suite binary directory\n"
send_user "\t--outdir \[name\]\t\tThe directory to put logs in\n"
send_user "\t--reboot\t\tReboot the target (if supported)\n"
send_user "\t--srcdir \[name\]\t\tThe test suite source code directory\n"
send_user "\t--status\t\tSet the exit status to fail on Tcl errors\n"
send_user "\t--strace \[number\]\tTurn on Expect tracing\n"
send_user "\t--target \[triplet\]\tThe canonical triplet of the target board\n"
send_user "\t--target_board \[name(s)\] The list of target boards to run tests on\n"
send_user "\t--tool \[name(s)\]\tRun tests on these tools\n"
send_user "\t--tool_exec \[name\]\tThe path to the tool executable to test\n"
send_user "\t--tool_opts \[options\]\tA list of additional options to pass to the tool\n"
send_user "\t--verbose, -v\t\tProduce verbose output\n"
send_user "\t--version, -V\t\tPrint all relevant version numbers\n"
send_user "\t--xml, -x\t\tWrite out an XML results file\n"
send_user "\t--D\[0-1\]\t\tTcl debugger\n"
send_user "\tscript.exp\[=arg(s)\]\tRun these tests only\n"
if { [info exists tool] } {
if { [info procs ${tool}_option_help] ne "" } {
${tool}_option_help
}
}
}
#
# Parse the arguments the first time looking for these. We will ultimately
# parse them twice. Things are complicated because:
# - we want to parse --verbose early on
# - we don't want config files to override command line arguments
# (eg: $base_dir/$local_init_file vs --host/--target)
# - we need some command line arguments before we can process some config files
# (eg: --objdir before $objdir/$local_init_file, --host/--target before $DEJAGNU)
# The use of `arg_host_triplet' and `arg_target_triplet' lets us avoid parsing
# the arguments three times.
#
namespace eval ::dejagnu::command_line {
variable cmd_var_list [list]
proc save_cmd_var {name} {
variable cmd_var_list
upvar 1 $name target_var
lappend cmd_var_list $name $target_var
}
proc restore_cmd_vars {} {
variable cmd_var_list
foreach {name value} $cmd_var_list {
uplevel 1 set $name $value
}
verbose "Variables set by command line arguments restored." 4
}
proc dump_cmd_vars {} {
variable cmd_var_list
verbose "Variables set by command line arguments:" 4
foreach {name value} $cmd_var_list {
verbose " $name -> $value" 4
}
}
}
set arg_host_triplet ""
set arg_target_triplet ""
set arg_build_triplet ""
set argc [ llength $argv ]
for { set i 0 } { $i < $argc } { incr i } {
set option [lindex $argv $i]
# make all options have two hyphens
switch -glob -- $option {
"--*" {
}
"-*" {
set option "-$option"
}
}
# split out the argument for options that take them
switch -glob -- $option {
"--*=*" {
regexp {^[^=]*=(.*)$} $option nil optarg
}
"--bu*" -
"--g*" -
"--ho*" -
"--ig*" -
"--loc*" -
"--m*" -
"--ob*" -
"--ou*" -
"--sr*" -
"--str*" -
"--ta*" -
"--di*" -
"--to*" {
incr i
set optarg [lindex $argv $i]
}
}
switch -glob -- $option {
"--V*" -
"--vers*" { # (--version) version numbers
send_user "DejaGnu version\t$frame_version\n"
send_user "Expect version\t[exp_version]\n"
send_user "Tcl version\t[ info tclversion ]\n"
exit 0
}
"--bu*" { # (--build) the build host configuration
set arg_build_triplet $optarg
::dejagnu::command_line::save_cmd_var arg_build_triplet
continue
}
"--g*" { # (--global_init) the global init file name
set global_init_file $optarg
::dejagnu::command_line::save_cmd_var global_init_file
continue
}
"--host_bo*" {
set host_board $optarg
::dejagnu::command_line::save_cmd_var host_board
continue
}
"--ho*" { # (--host) the host configuration
set arg_host_triplet $optarg
::dejagnu::command_line::save_cmd_var arg_host_triplet
continue
}
"--loc*" { # (--local_init) the local init file name
set local_init_file $optarg
::dejagnu::command_line::save_cmd_var local_init_file
continue
}
"--ob*" { # (--objdir) where the test case object code lives
set objdir $optarg
::dejagnu::command_line::save_cmd_var objdir
continue
}
"--sr*" { # (--srcdir) where the testsuite source code lives
set srcdir $optarg
::dejagnu::command_line::save_cmd_var srcdir
continue
}
"--target_bo*" {
set target_list $optarg
::dejagnu::command_line::save_cmd_var target_list
continue
}
"--ta*" { # (--target) the target configuration
set arg_target_triplet $optarg
::dejagnu::command_line::save_cmd_var arg_target_triplet
continue
}
"--tool_opt*" {
set TOOL_OPTIONS $optarg
::dejagnu::command_line::save_cmd_var TOOL_OPTIONS
continue
}
"--tool_exec*" {
set TOOL_EXECUTABLE $optarg
::dejagnu::command_line::save_cmd_var TOOL_EXECUTABLE
continue
}
"--to*" { # (--tool) specify tool name
set tool $optarg
set comm_line_tool $optarg
::dejagnu::command_line::save_cmd_var tool
::dejagnu::command_line::save_cmd_var comm_line_tool
continue
}
"--di*" {
set cmdline_dir_to_run $optarg
::dejagnu::command_line::save_cmd_var cmdline_dir_to_run
continue
}
"--v" -
"--verb*" { # (--verbose) verbose output
incr verbose
continue
}
"[A-Z0-9_-.]*=*" { # process makefile style args like CC=gcc, etc...
if {[regexp "^(\[A-Z0-9_-\]+)=(.*)$" $option junk var val]} {
set $var $val
verbose "$var is now $val"
append makevars "set $var $val;" ;# FIXME: Used anywhere?
unset junk var val
} else {
send_error "Illegal variable specification:\n"
send_error "$option\n"
}
continue
}
}
}
verbose "Verbose level is $verbose"
verbose [concat "Initial working directory is" [pwd]]
::dejagnu::command_line::dump_cmd_vars
#
# get the users login name
#
if { $logname eq "" } {
if {[info exists env(USER)]} {
set logname $env(USER)
} else {
if {[info exists env(LOGNAME)]} {
set logname $env(LOGNAME)
} else {
# try getting it with whoami
catch "set logname [exec whoami]" tmp
if {[string match "*couldn't find*to execute*" $tmp]} {
# try getting it with who am i
unset tmp
catch "set logname [exec who am i]" tmp
if {[string match "*Command not found*" $tmp]} {
send_user "ERROR: couldn't get the users login name\n"
set logname "Unknown"
} else {
set logname [lindex [split $logname " !"] 1]
}
}
}
}
}
verbose "Login name is $logname"
#
# lookfor_file -- try to find a file by searching up multiple directory levels
#
proc lookfor_file { dir name } {
foreach x [list . .. ../.. ../../.. ../../../..] {
verbose $dir/$x/$name 2
if {[file exists [file join $dir $name]]} {
return [file join $dir $name]
}
set dir [remote_file build dirname $dir]
}
return ""
}
#
# load_lib -- load a library by sourcing it
#
# If there a multiple files with the same name, stop after the first one found.
# The order is first look in the install dir, then in a parallel dir in the
# source tree (up one or two levels), then in the current dir.
#
proc load_lib { file } {
global verbose execpath tool
global libdir libdirs srcdir testsuitedir base_dir
global loaded_libs
if {[info exists loaded_libs($file)]} {
return
}
set loaded_libs($file) ""
set search_dirs [list ../lib $libdir $libdir/lib]
lappend search_dirs [file dirname [file dirname $srcdir]]/dejagnu/lib
lappend search_dirs $testsuitedir/lib
lappend search_dirs $execpath/lib "."
lappend search_dirs [file dirname [file dirname [file dirname $srcdir]]]/dejagnu/lib
if {[info exists libdirs]} {
lappend search_dirs $libdirs
}
if { [search_and_load_file "library file" $file $search_dirs ] == 0 } {
send_error "ERROR: Couldn't find library file $file.\n"
exit 1
}
}
#
# Begin sourcing the config files.
# All are sourced in order.
#
# Search order:
# (local) $base_dir/$local_init_file -> $objdir/$local_init_file ->
# (global) installed($global_init_file) -> $DEJAGNU -> $HOME/.dejagnurc
#
# For the normal case, we expect $base_dir/$local_init_file to set
# host_triplet and target_triplet.
#
load_file [file join $base_dir $local_init_file]
# Ensure that command line parameters override testsuite init files.
::dejagnu::command_line::restore_cmd_vars
#
# If objdir didn't get set in $base_dir/$local_init_file, set it to
# $base_dir. Make sure we source $objdir/$local_init_file in case
# $base_dir/$local_init_file doesn't exist and objdir was given on the
# command line.
#
if { $objdir eq "." || $objdir eq $srcdir } {
set objdir $base_dir
} else {
load_file [file join $objdir $local_init_file]
}
# Ensure that command line parameters override testsuite init files.
::dejagnu::command_line::restore_cmd_vars
#
# Find the testsuite.
#
# The DejaGnu manual has always stated that a testsuite must be in a
# testsuite/ subdirectory.
verbose "Finding testsuite ..." 3
verbose "\$base_dir -> $base_dir" 3
verbose "\$srcdir -> $srcdir" 3
verbose "\$objdir -> $objdir" 3
verbose [concat "file tail \$srcdir -> " [file tail $srcdir]] 3
verbose [concat "file join \$srcdir testsuite -> " \
[file join $srcdir testsuite]] 3
verbose [concat "file isdirectory [file join \$srcdir testsuite] -> " \
[file isdirectory [file join $srcdir testsuite]]] 3
verbose [concat "file tail \$base_dir -> " [file tail $base_dir]] 3
if { [file tail $srcdir] eq "testsuite" } {
# Subdirectory case -- $srcdir includes testsuite/
set testsuitedir $srcdir
set testbuilddir $objdir
} elseif { [file tail $srcdir] ne "testsuite"
&& [file isdirectory [file join $srcdir testsuite]] } {
# Top-level case -- testsuite in $srcdir/testsuite/
set testsuitedir [file join $srcdir testsuite]
set testbuilddir [file join $objdir testsuite]
} elseif { $srcdir eq "." && [file tail $base_dir] eq "testsuite" } {
# Development scaffold case -- testsuite in ".", but "." is "testsuite"
set testsuitedir $base_dir
set testbuilddir $base_dir
} else {
if { $testsuitedir eq "testsuite" && $testbuilddir eq "testsuite" } {
# Broken legacy case -- testsuite not actually in testsuite/
# Produce a warning, but continue.
send_error "WARNING: testsuite is not in a testsuite/ directory.\n"
set testsuitedir $srcdir
set testbuilddir $objdir
} else {
# Custom case -- all variables are assumed to have been set correctly
}
}
verbose "Finding testsuite ... done" 3
# Well, this just demonstrates the real problem...
if {![info exists tool_root_dir]} {
set tool_root_dir [file dirname $objdir]
if {[file exists [file join $tool_root_dir testsuite]]} {
set tool_root_dir [file dirname $tool_root_dir]
}
}
verbose "Using test sources in $srcdir"
verbose "Using test binaries in $objdir"
verbose "Testsuite root is $testsuitedir"
verbose "Tool root directory is $tool_root_dir"
set execpath [file dirname $argv0]
# The runtest.exp file is installed directly in libdir.
# Conveniently, the source tree layout is the same as the installed libdir.
set libdir [file dirname $argv0]
if {[info exists env(DEJAGNULIBS)]} {
set libdir $env(DEJAGNULIBS)
}
# list of extra search directories used by load_lib to look for libs
set libdirs {}
verbose "Using $libdir to find libraries"
#
# If the host or target was given on the command line, override the above
# config files. We allow $DEJAGNU to massage them though in case it would
# ever want to do such a thing.
#
if { $arg_host_triplet ne "" } {
set host_triplet $arg_host_triplet
}
if { $arg_build_triplet ne "" } {
set build_triplet $arg_build_triplet
}
# If we only specify --host, then that must be the build machine too,
# and we're stuck using the old functionality of a simple cross test.
if {[expr { $build_triplet eq "" && $host_triplet ne "" } ]} {
set build_triplet $host_triplet
}
# If we only specify --build, then we'll use that as the host too.
if {[expr { $build_triplet ne "" && $host_triplet eq "" } ]} {
set host_triplet $build_triplet
}
unset arg_host_triplet arg_build_triplet
#
# If the build machine type hasn't been specified by now, use config.guess.
#
if {[expr {$build_triplet eq "" && $host_triplet eq ""}]} {
# find config.guess
foreach dir [list $libdir $libdir/libexec $libdir/.. $execpath $srcdir $srcdir/.. $srcdir/../..] {
verbose "Looking for $dir/config.guess" 2
if {[file exists [file join $dir config.guess]]} {
set config_guess [file join $dir config.guess]
verbose "Found [file join $dir config.guess]"
break
}
}
# get the canonical triplet
if {![info exists config_guess]} {
send_error "ERROR: Couldn't find config.guess program.\n"
exit 1
}
if { [info exists ::env(CONFIG_SHELL)] } {
if { [catch {exec $::env(CONFIG_SHELL) $config_guess} build_triplet] } {
if { [lindex $::errorCode 0] eq "CHILDSTATUS" } {
send_error "ERROR: Running config.guess with\
CONFIG_SHELL=$::env(CONFIG_SHELL)\
exited on code\
[lindex $::errorCode 2].\n"
} else {
send_error "ERROR: Running config.guess with\
CONFIG_SHELL=$::env(CONFIG_SHELL)\
produced error:\n"
send_error " $::errorCode\n"
}
}
} elseif { [info exists ::env(SHELL)] } {
if { [catch {exec $::env(SHELL) $config_guess} build_triplet] } {
if { [lindex $::errorCode 0] eq "CHILDSTATUS" } {
send_error "ERROR: Running config.guess with\
SHELL=$::env(SHELL)\
exited on code\
[lindex $::errorCode 2].\n"
} else {
send_error "ERROR: Running config.guess with\
SHELL=$::env(SHELL)\
produced error:\n"
send_error " $::errorCode\n"
}
}
} else {
if { [catch {exec $config_guess} build_triplet] } {
if { [lindex $::errorCode 0] eq "CHILDSTATUS" } {
send_error "ERROR: Running config.guess exited on code\
[lindex $::errorCode 2].\n"
} else {
send_error "ERROR: Running config.guess produced error:\n"
send_error " $::errorCode\n"
}
}
}
if { ![regexp -- {^[[:alnum:]_.]+(-[[:alnum:]_.]+)+$} $build_triplet] } {
send_error "ERROR: Running config.guess produced bogus build triplet:\n"
send_error " $build_triplet\n"
send_error " (Perhaps you need to set CONFIG_SHELL or\
SHELL in your environment\n"
send_error " to the absolute file name of a POSIX shell?)\n"
exit 1
}
verbose "Assuming build host is $build_triplet"
if { $host_triplet eq "" } {
set host_triplet $build_triplet
}
}
#
# Figure out the target. If the target hasn't been specified, then we have to
# assume we are native.
#
if { $arg_target_triplet ne "" } {
set target_triplet $arg_target_triplet
} elseif { $target_triplet eq "" } {
set target_triplet $build_triplet
verbose "Assuming native target is $target_triplet" 2
}
unset arg_target_triplet
#
# Default target_alias to target_triplet.
#
if {![info exists target_alias]} {
set target_alias $target_triplet
}
proc get_local_hostname { } {
if {[catch "info hostname" hb]} {
set hb ""
} else {
regsub "\\..*$" $hb "" hb
}
verbose "hostname=$hb" 3
return $hb
}
#
# We put these here so that they can be overridden later by site.exp or
# friends.
#
# Set up the target as machine NAME. We also load base-config.exp as a
# default configuration. The config files are sourced with the global
# variable $board set to the name of the current target being defined.
#
proc setup_target_hook { whole_name name } {
global board
global host_board
if {[info exists host_board]} {
set hb $host_board
} else {
set hb [get_local_hostname]
}
set board $whole_name
global board_type
set board_type "target"
load_config base-config.exp
if {![load_board_description $name $whole_name $hb]} {
if { $name ne "unix" } {
perror "couldn't load description file for $name"
exit 1
} else {
load_generic_config "unix"
}
}
if {[board_info $board exists generic_name]} {
load_tool_target_config [board_info $board generic_name]
}
unset board
unset board_type
push_target $whole_name
if { [info procs ${whole_name}_init] ne "" } {
${whole_name}_init $whole_name
}
if { ![isnative] && ![isremote target] } {
global env build_triplet target_triplet
if { (![info exists env(DEJAGNU)]) && ($build_triplet ne $target_triplet) } {
warning "Assuming target board is the local machine (which is probably wrong).\nYou may need to set your DEJAGNU environment variable."
}
}
}
#
# Clean things up afterwards.
#
proc cleanup_target_hook { name } {
global tool
# Clean up the target board.
if { [info procs ${name}_exit] ne "" } {
${name}_exit
}
# We also call the tool exit routine here.
if {[info exists tool]} {
if { [info procs ${tool}_exit] ne "" } {
${tool}_exit
}
}
remote_close target
pop_target
}
proc setup_host_hook { name } {
global board
global board_info
global board_type
set board $name
set board_type "host"
load_board_description $name
unset board
unset board_type
push_host $name
if { [info procs ${name}_init] ne "" } {
${name}_init $name
}
}
proc setup_build_hook { name } {
global board
global board_info
global board_type