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# Simulator dejagnu utilities.
# Communicate simulator path from sim_init to sim_version.
# For some reason [board_info target sim] doesn't work in sim_version.
# [Presumubly because the target has been "popped" by then. Odd though.]
set sim_path "unknown-run"
# Initialize the testrun.
# Required by dejagnu.
proc sim_init { args } {
global sim_path
set sim_path [board_info target sim]
# Need to return an empty string (copied from GAS).
return ""
}
# Print the version of the simulator being tested.
# Required by dejagnu.
proc sim_version {} {
global sim_path
set version 0.5
clone_output "$sim_path $version\n"
}
# Cover function to target_compile.
# Copied from gdb_compile.
proc sim_compile { source dest type options } {
set result [target_compile $source $dest $type $options]
regsub "\[\r\n\]*$" "$result" "" result
regsub "^\[\r\n\]*" "$result" "" result
if { $result != "" } {
clone_output "sim compile failed, $result"
}
return $result
}
# Run a program on the simulator.
# Required by dejagnu (at least ${tool}_run used to be).
#
# At present REDIR must be "" or "> foo".
#
# The result is a list of two elements.
# The first is one of pass/fail/etc.
# The second is the program's output.
#
# This is different than the sim_load routine provided by
# dejagnu/config/sim.exp. It's not clear how to pass arguments to the
# simulator (not the simulated program, the simulator) with sim_load.
proc sim_run { prog sim_opts prog_opts redir env_vals } {
global SIMFLAGS
# FIXME: The timeout value we actually want is a function of
# host, target, and testcase.
set testcase_timeout [board_info target sim_time_limit]
if { "$testcase_timeout" == "" } {
set testcase_timeout [board_info host testcase_timeout]
}
if { "$testcase_timeout" == "" } {
set testcase_timeout 240 ;# 240 same as in dejagnu/config/sim.exp.
}
set sim [board_info target sim]
# FIXME: this works for UNIX only
if { "$env_vals" != "" } {
set sim "env $env_vals $sim"
}
if { "$redir" == "" } {
remote_spawn host "$sim $SIMFLAGS $sim_opts $prog $prog_opts"
} else {
remote_spawn host "$sim $SIMFLAGS $sim_opts $prog $prog_opts $redir" writeonly
}
set result [remote_wait host $testcase_timeout]
set return_code [lindex $result 0]
set output [lindex $result 1]
# Remove the \r part of "\r\n" so we don't break all the patterns
# we want to match.
regsub -all -- "\r" $output "" output
# ??? Not sure the test for pass/fail is right.
# We just care that the simulator ran correctly, not whether the simulated
# program return 0 or non-zero from `main'.
set status fail
if { $return_code == 0 } {
set status pass
}
return [list $status $output]
}
# Run testcase NAME.
# NAME is either a fully specified file name, or just the file name in which
# case $srcdir/$subdir will be prepended.
# The file can contain options in the form "# option(mach list): value"
# Possibilities:
# mach(): machine names
# as(mach): <assembler options>
# ld(mach): <linker options>
# sim(mach): <simulator options>
# output(): program output pattern to match with string-match
# If `output' is not specified, the program must output "pass".
proc run_sim_test { name } {
global subdir srcdir
global AS ASFLAGS LD LDFLAGS SIMFLAGS
global opts
if [string match "*/*" $name] {
set file $name
set name [file tail $name]
} else {
set file "$srcdir/$subdir/$name"
}
set opt_array [slurp_options "${file}"]
if { $opt_array == -1 } {
unresolved $subdir/$name
return
}
set opts(as) {}
set opts(ld) {}
set opts(sim) {}
set opts(output) {}
set opts(mach) {}
foreach i $opt_array {
set opt_name [lindex $i 0]
set opt_machs [lindex $i 1]
set opt_val [lindex $i 2]
if ![info exists opts($opt_name)] {
perror "unknown option $opt_name in file $file"
unresolved $subdir/$name
return
}
foreach m $opt_machs {
set opts($opt_name,$m) $opt_val
}
if { "$opt_machs" == "" } {
set opts($opt_name) $opt_val
}
}
set testname $name
set sourcefile $file
if { $opts(output) == "" } {
set opts(output) "pass\n"
}
foreach mach $opts(mach) {
verbose "Testing $name on $mach."
if ![info exists opts(as,$mach)] {
set opts(as,$mach) $opts(as)
}
send_log "$AS $ASFLAGS $opts(as,$mach) -I$srcdir/$subdir -o ${name}.o $sourcefile\n"
catch "exec $AS $ASFLAGS $opts(as,$mach) -I$srcdir/$subdir -o ${name}.o $sourcefile" comp_output
if ![string match "" $comp_output] {
verbose -log "$comp_output" 3
fail "$mach $testname"
continue
}
if ![info exists opts(ld,$mach)] {
set opts(ld,$mach) $opts(ld)
}
send_log "$LD $LDFLAGS $opts(ld,$mach) -o ${name}.x ${name}.o\n"
catch "exec $LD $LDFLAGS $opts(ld,$mach) -o ${name}.x ${name}.o" comp_output
if ![string match "" $comp_output] {
verbose -log "$comp_output" 3
fail "$mach $testname"
continue
}
# If no machine specific options, default to the general version.
if ![info exists opts(sim,$mach)] {
set opts(sim,$mach) $opts(sim)
}
set result [sim_run ${name}.x "$opts(sim,$mach)" "" "" ""]
set status [lindex $result 0]
set output [lindex $result 1]
if { "$status" == "pass" } {
if ![string match $opts(output) $output] {
verbose -log "output: $output" 3
verbose -log "pattern: $opts(output)" 3
}
}
$status "$mach $testname"
}
}
# Subroutine of run_sim_test to process options in FILE.
proc slurp_options { file } {
if [catch { set f [open $file r] } x] {
#perror "couldn't open `$file': $x"
perror "$x"
return -1
}
set opt_array {}
# whitespace expression
set ws {[ ]*}
set nws {[^ ]*}
# whitespace is ignored anywhere except within the options list;
# option names are alphabetic only
set pat "^#${ws}(\[a-zA-Z\]*)\\((.*)\\)$ws:${ws}(.*)$ws\$"
# Allow comment as first line of file.
set firstline 1
while { [gets $f line] != -1 } {
set line [string trim $line]
# Whitespace here is space-tab.
if [regexp $pat $line xxx opt_name opt_machs opt_val] {
# match!
lappend opt_array [list $opt_name $opt_machs $opt_val]
} else {
if { ! $firstline } {
break
}
}
set firstline 0
}
close $f
return $opt_array
}
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