diff options
Diffstat (limited to 'sim/testsuite/lib')
| -rw-r--r-- | sim/testsuite/lib/sim-defs.exp | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/sim/testsuite/lib/sim-defs.exp b/sim/testsuite/lib/sim-defs.exp new file mode 100644 index 00000000000..16a742fb6da --- /dev/null +++ b/sim/testsuite/lib/sim-defs.exp @@ -0,0 +1,318 @@ +# 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 output: $result" + } + return $result +} + +# Run a program on the simulator. +# Required by dejagnu (at least ${tool}_run used to be). +# +# SIM_OPTS are options for the simulator. +# PROG_OPTS are options passed to the simulated program. +# At present REDIR must be "" or "> foo". +# OPTIONS is a list of options internal to this routine. +# This is modelled after target_compile. We want to be able to add new +# options without having to update all our users. +# Currently: +# env(foo)=val - set environment variable foo to val for this run +# timeout=val - set the timeout to val for this run +# +# The result is a list of two elements. +# The first is one of pass/fail/etc. +# The second is the program's output. +# +# This is different than the sim_load routine provided by +# dejagnu/config/sim.exp. It's not clear how to pass arguments to the +# simulator (not the simulated program, the simulator) with sim_load. + +proc sim_run { prog sim_opts prog_opts redir options } { + global SIMFLAGS + + # Set the default value of the timeout. + # FIXME: The timeout value we actually want is a function of + # host, target, and testcase. + set testcase_timeout [board_info target sim_time_limit] + if { "$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. + } + + # Initial the environment we pass to the testcase. + set testcase_env "" + + # Process OPTIONS ... + foreach o $options { + if [regexp {^env\((.*)\)=(.*)} $o full var val] { + set testcase_env "$testcase_env $var=$val" + } elseif [regexp {^timeout=(.*)} $o full val] { + set testcase_timeout $val + } + + } + + verbose "testcase timeout is set to $testcase_timeout" 1 + + set sim [board_info target sim] + + if [is_remote host] { + set prog [remote_download host $prog] + if { $prog == "" } { + error "download failed" + return -1; + } + } + + set board [target_info name] + if [board_info $board exists sim,options] { + set always_opts [board_info $board sim,options] + } else { + set always_opts "" + } + + # FIXME: this works for UNIX only + if { "$testcase_env" != "" } { + set sim "env $testcase_env $sim" + } + + send_log "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts\n" + + if { "$redir" == "" } { + remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts" + } else { + remote_spawn host "$sim $always_opts $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 + + if [is_remote host] { + # clean up after ourselves. + remote_file host delete $prog + } + + # ??? 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. +# ALL_MACHS is a list of machs to use if "mach: all" is specified in the file. +# The file can contain options in the form "# option(mach list): value" +# Possibilities: +# mach: [all | machine names] +# as[(mach-list)]: <assembler options> +# ld[(mach-list)]: <linker options> +# sim[(mach-list)]: <simulator options> +# output[(mach-list)]: program output pattern to match with string-match +# xerror[(mach-list)]: program is expected to return with a "failure" exit code +# If `output' is not specified, the program must output "pass" if !xerror or +# "fail" if xerror. +# The parens in "optname()" are optional if the specification is for all machs. + +proc run_sim_test { name all_machs } { + 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) {} + set opts(timeout) {} + set opts(xerror) "no" + + 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 { $opts(output) == "" } { + if { "$opts(xerror)" == "no" } { + set opts(output) "pass\n" + } else { + set opts(output) "fail\n" + } + } + # Change \n sequences to newline chars. + regsub -all "\\\\n" $opts(output) "\n" opts(output) + + 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) $opts(sim) + } + + # Build the options argument. + set options "" + if { "$opts(timeout)" != "" } { + set options "$options timeout=$opts(timeout)" + } + + set result [sim_run ${name}.x "$opts(sim,$mach)" "" "" "$options"] + set status [lindex $result 0] + set output [lindex $result 1] + + if { "$status" == "pass" } { + if { "$opts(xerror)" == "no" } { + if [string match $opts(output) $output] { + pass "$mach $testname" + } else { + verbose -log "output: $output" 3 + verbose -log "pattern: $opts(output)" 3 + fail "$mach $testname" + } + } else { + verbose -log "`pass' return code when expecting failure" 3 + fail "$mach $testname" + } + } elseif { "$status" == "fail" } { + if { "$opts(xerror)" == "no" } { + fail "$mach $testname" + } else { + if [string match $opts(output) $output] { + pass "$mach $testname" + } else { + verbose -log "output: $output" 3 + verbose -log "pattern: $opts(output)" 3 + fail "$mach $testname" + } + } + } else { + $status "$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 +} |