* lib/sim-defs.exp (sim_version): Simplify.

	(sim_run): Implement.
	(run_sim_test): Use sim_run.
	(sim_compile): New proc.

1 files changed, 216 insertions, 0 deletions

diff --git a/sim/testsuite/lib/sim-defs.exp b/sim/testsuite/lib/sim-defs.exp
new file mode 100644
index 0000000..9db96410
--- /dev/null
+++ b/sim/testsuite/lib/sim-defs.exp
@@ -0,0 +1,216 @@
+# Simulator dejagnu utilities.
+
+# Print the version of the simulator being tested.
+# Required by dejagnu.
+
+proc sim_version {} {
+    set version 0.5
+    set program [board_info target sim]
+    clone_output "$program $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 ${tool}_run used to be).
+# FIXME: What should we do with `redir'?
+# The result is a list of two elements.
+# The first is one of pass/fail/etc.
+# The second is the program's output.
+#
+# This is different than the sim_load routine provided by
+# dejagnu/config/sim.exp.  It's not clear how to pass arguments to the
+# simulator (not the simulated program, the simulator) with sim_load.
+
+proc sim_run { prog sim_opts redir } {
+    global SIMFLAGS
+
+    # FIXME: The timeout value we actually want is a function of
+    # host, target, and testcase.
+    set testcase_timeout [board_info target sim_time_limit]
+    if { "$testcase_timeout" == "" } {
+	set testcase_timeout [board_info host testcase_timeout]
+    }
+    if { "$testcase_timeout" == "" } {
+	set testcase_timeout 240 ;# 240 same as in dejagnu/config/sim.exp.
+    }
+
+    set sim [board_info target sim]
+
+    remote_spawn host "$sim $SIMFLAGS $sim_opts $prog"
+    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]
+}
+
+# Initialize the testrun.
+# Required by dejagnu.
+
+proc sim_init { args } {
+    # Need to return an empty string (copied from GAS).
+    return ""
+}
+
+# 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
+}