libjava/testsuite/lib/libjava.exp - gcc - Git at Google

 # Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation

 load_lib "libgloss.exp"

 # GCJ_UNDER_TEST is the compiler under test.

 global tmpdir

 if ![info exists tmpdir] {
     set tmpdir "/tmp"
 }

 # This is like `target_compile' but it does some surgery to work
 # around stupid DejaGNU bugs.  In particular DejaGNU has very poor
 # quoting, so for instance a `$' will be re-evaluated at spawn time.
 # We don't want that.
 proc libjava_tcompile {source destfile type options} {
     # This strange-looking expression really does quote the `$'.
     regsub -all -- {\$} $source {\$} source
     regsub -all -- {\$} $destfile {\$} destfile
     return [target_compile $source $destfile $type $options]
 }

 # Read an `xfail' file if it exists.  Returns a list of xfail tokens.
 proc libjava_read_xfail {file} {
     if {! [file exists $file]} {
 	return ""
     }
     set fd [open $file r]
     set tokens [string trim [read $fd]]
     close $fd
     return $tokens
 }

 # Find a particular executable.  FIXME: this relies on DejaGnu
 # internals.  These should probably be exposed in a better way.
 proc libjava_find_program {prog} {
     global tool_root_dir

     set file [lookfor_file $tool_root_dir $prog]
     if { $file == "" } {
 	set file [lookfor_file $tool_root_dir gcc/$prog];
     }
     if {$file == ""} {
 	set file $prog
     }
     return $file
 }

 # Find `jv-scan'.
 proc find_jvscan {} {
     return [libjava_find_program jv-scan]
 }

 # Find `gcjh'.
 proc find_gcjh {} {
     return [libjava_find_program gcjh]
 }

 proc find_javac {} {
     global SUN_JAVAC GCJ_UNDER_TEST env
     # If JDK doesn't run on your platform but some other
     # JDK-compatible javac does, you may set SUN_JAVAC to point to it.
     # One of the most important properties of a SUN_JAVAC is that it
     # must create class-files even for classes that have not been
     # specified in the command line, but that were needed to compile
     # those that have.  For example, Pizza won't do it, but you can
     # use `kaffe sun.tools.javac.Main', if you have Sun's classes.zip
     # in the kaffe's default search path.
     if {![info exists SUN_JAVAC]} {
 	if {[info exists env(SUN_JAVAC)]} {
 	    set SUN_JAVAC $env(SUN_JAVAC)
 	} else {
 	    set SUN_JAVAC "$GCJ_UNDER_TEST -C"
 	}
     }
     return $SUN_JAVAC
 }

 proc bytecompile_file { file objdir {classpath {}} } {
     global env
     set dirname [file dirname $file]

     set javac [find_javac]
     if {$classpath != ""} then {
         set env(CLASSPATH) $classpath
     }
     set here [pwd]
     cd $dirname
     if {[catch {
 	set q [eval exec "$javac [list $file] -d $objdir 2>@ stdout"]
     } msg]} then {
 	verbose "couldn't compile $file: $msg"
 	set r 0
     } else {
 	set r 1
     }
     cd $here
     return $r
 }

 set libjava_initialized 0

 #
 # Build the status wrapper library as needed.
 #
 proc libjava_init { args } {
     global wrapper_file;
     global wrap_compile_flags;
     global libjava_initialized
     global GCJ_UNDER_TEST
     global TOOL_EXECUTABLE
     global original_ld_library_path
     global env

     if { $libjava_initialized == 1 } { return; }

     if ![info exists GCJ_UNDER_TEST] {
 	if [info exists TOOL_EXECUTABLE] {
 	    set GCJ_UNDER_TEST $TOOL_EXECUTABLE;
 	} else {
 	    if [info exists env(GCJ)] {
 		set GCJ_UNDER_TEST $env(GCJ)
 	    } else {
 		set GCJ_UNDER_TEST "[find_gcj]"
 	    }
 	}
     }

     if [info exists env(LD_LIBRARY_PATH)] {
 	set original_ld_library_path $env(LD_LIBRARY_PATH)
     } else {
 	if [info exists env(SHLIB_PATH)] {
 	    set original_ld_library_path $env(SHLIB_PATH)
 	} else {
 	    set original_ld_library_path ""
 	}
     }

     set wrapper_file "";
     set wrap_compile_flags "";
     if [target_info exists needs_status_wrapper] {
 	set result [build_wrapper "testglue.o"];
 	if { $result != "" } {
 	    set wrapper_file [lindex $result 0];
 	    set wrap_compile_flags [lindex $result 1];
 	} else {
 	    warning "Status wrapper failed to build."
 	}
     }

     set libjava_initialized 1
 }

 # Find a library.  We know where libtool puts the actual libraries,
 # and we look there.  The implementation is fairly hacky.  We can't
 # compile with -nodefaultlibs, because that will also eliminate the
 # system libraries we need.  In order to have gcj still work, it must
 # find the appropriate libraries so we must add -L options for their
 # paths.  However we can't simply use those libraries; we still need
 # libtool for linking.
 proc libjava_find_lib {dir name} {
     global base_dir
     set gp [get_multilibs]
     foreach sub {.libs _libs} {
 	if {$gp != ""} {
 	    if {[file exists $gp/$dir/$sub/lib${name}.a]} then {
 		return "$gp/$dir/lib${name}.la -L$gp/$dir/$sub"
 	    }
 	}
 	set lib [findfile $base_dir/../../$dir/$sub/lib${name}.a \
 		   "$base_dir/../../$dir/lib${name}.la -L$base_dir/../../$dir/$sub" \
 		   ""]
 	if {$lib != ""} {
 	    return $lib
 	}
     }
     return ""
 }

 # Compute arguments needed for compiler.  MODE is a libtool mode:
 # either compile or link.
 proc libjava_arguments {{mode compile}} {
     global base_dir
     global LIBJAVA
     global LIBGC
     global LIBQTHREADS
     global LIBZ
     global srcdir subdir objdir
     global TOOL_OPTIONS
     global GCJ_UNDER_TEST
     global tmpdir
     global runtests
     global env
     global tool_root_dir

     if [info exists LIBJAVA] {
 	set libjava $LIBJAVA;
     } else {
 	set libjava [libjava_find_lib libjava gcj]
     }

     if [info exists LIBGC] {
 	set libgc $LIBGC;
     } else {
 	set libgc [libjava_find_lib boehm-gc gcjgc]
     }

     if [info exists LIBQTHREADS] {
 	set libqthreads $LIBQTHREADS
     } else {
 	set libqthreads [libjava_find_lib qthreads gcjcoop]
     }

     if [info exists LIBZ] {
 	set libz $LIBZ
     } else {
 	set libz [libjava_find_lib zlib zgcj]
     }

     # FIXME: there's no way to determine whether -lpthread is
     # required.  We should get this info from configure, or it should
     # just be in the compiler driver.

     verbose "using LIBJAVA = $libjava" 2
     verbose "using LIBGC = $libgc" 2
     verbose "using LIBQTHREADS = $libqthreads" 2
     verbose "using LIBZ = $libz" 2
     set args ""

     # Basically we want to build up a colon separated path list from
     # the value of $libjava.

     set lpath {}
     foreach dir [list $libjava $libgc $libz] {
 	foreach item [split $dir " "] {
 	    switch -glob -- $item {
 		"-L*" {
 		    lappend lpath [string range $item 2 end]
 		}
 	    }
 	}
     }

     # Finally, add the gcc build directory so that we can find the
     # shared libgcc.  This, like much of dejagnu, is hideous.
     set gccdir [lookfor_file $tool_root_dir gcc/libgcc_s.so]
     if {$gccdir != ""} {
 	lappend lpath [file dirname $gccdir]
     }

     set ld_library_path [join $lpath :]

     # That's enough to make things work for the normal case.
     # If we wanted to handle an arbitrary value of libjava,
     # then we'd have to do a lot more work.

     # Set variables the dynamic linker looks at.
     global original_ld_library_path
     setenv LD_LIBRARY_PATH "$ld_library_path:$original_ld_library_path"
     setenv SHLIB_PATH "$ld_library_path:$original_ld_library_path"

     verbose "LD_LIBRARY_PATH = $env(LD_LIBRARY_PATH)"

     # Set the CLASSPATH environment variable
     verbose "CLASSPATH is .:$srcdir/$subdir:$objdir:$objdir/../libgcj.jar"
     global env
     set env(CLASSPATH) ".:$srcdir/$subdir:$objdir:$objdir/../libgcj.jar"

     global wrapper_file wrap_compile_flags;
     lappend args "additional_flags=$wrap_compile_flags";
     lappend args "libs=$wrapper_file";
     lappend args "libs=$libjava";
     lappend args "libs=$libgc";
     lappend args "libs=$libqthreads"
     lappend args "libs=$libz"
     lappend args debug

     if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
 	lappend args "libs=${gluefile}"
 	lappend args "ldflags=$wrap_flags"
     }

     if [info exists TOOL_OPTIONS] {
 	lappend args "additional_flags=$TOOL_OPTIONS"
     }

     # Search for libtool.  We need it to link.
     set found_compiler 0
     set d [absolute $objdir]
     foreach x {. .. ../.. ../../..} {
 	if {[file exists $d/$x/libtool]} then {
 	    # We have to run silently to avoid DejaGNU lossage.
 	    lappend args \
 	      "compiler=$d/$x/libtool --silent --tag=GCJ --mode=$mode $GCJ_UNDER_TEST -B$objdir/../"
 	    set found_compiler 1
 	    break
 	}
     }
     if {! $found_compiler} {
 	# Append -B$objdir/../ so that we find libgcj.spec before it
 	# is installed.
 	lappend args "compiler=$GCJ_UNDER_TEST -B$objdir/../"
     }

     return $args
 }


 #
 # Run the test specified by srcfile and resultfile. compile_args and
 # exec_args are options telling this proc how to work.
 #
 proc test_libjava_from_source { options srcfile compile_args inpfile resultfile exec_args } {
     global base_dir
     global LIBJAVA
     global LIBGC
     global srcdir subdir objdir
     global TOOL_OPTIONS
     global GCJ_UNDER_TEST
     global tmpdir
     global runtests

     # Make opts into an array.
     set opts(_) x
     unset opts(_)
     foreach item $exec_args {
 	set opts($item) x
     }

     set errname [file rootname [file tail $srcfile]]
     if {! [runtest_file_p $runtests $errname]} {
         return
     }

     if {[info exists opts(no-link)]} {
 	set mode compile
     } else {
 	set mode link
     }
     set args [libjava_arguments $mode]
     if {! [info exists opts(no-link)]} {
 	# Add the --main flag
 	lappend args "additional_flags=--main=[file rootname [file tail $srcfile]]"
 	if { $compile_args != "" } {
 	    lappend args "additional_flags=$compile_args"
 	}
     }

     regsub "^.*/(\[^/.\]+)\[.\]\[^/]*$" "$srcfile" "\\1" out
     set executable "${objdir}/$out"
     if {[info exists opts(no-link)]} {
 	append executable ".o"
 	set target object
     } else {
 	set target executable
     }
     if { $compile_args != "" } {
 	set errname "$errname $compile_args"
     }

     set x [prune_warnings \
 	     [libjava_tcompile $srcfile "$executable" $target $args]]
     if {[info exists opts(xfail-gcj)]} {
 	setup_xfail *-*-*
     }
     if { $x != "" } {
 	verbose "target_compile failed: $x" 2

 	if {[info exists opts(shouldfail)]} {
 	    pass "$errname compilation from source"
 	    return
 	}

 	fail "$errname compilation from source"
 	if {[info exists opts(xfail-gcj)] || ! [info exists opts(no-exec)]} {
 	    untested "$errname execution from source compiled test"
 	    untested "$errname output from source compiled test"
 	}
 	return
     }
     if {[info exists opts(shouldfail)]} {
 	fail "$errname compilation from source"
 	return
     }
     pass "$errname compilation from source"

     if {[info exists opts(no-exec)]
 	|| [info exists opts(no-link)]} {
 	return
     }

     set result [libjava_load $executable "" "$inpfile"];
     set status [lindex $result 0];
     set output [lindex $result 1];
     if {[info exists opts(xfail-exec)]} then {
 	setup_xfail *-*-*
     }
     $status "$errname execution from source compiled test"
     if { $status != "pass" } {
 	untested "$errname output from source compiled test"
 	return;
     }

     verbose "resultfile is $resultfile"
     set id [open $resultfile r];
     set expected ""
     append expected [read $id];
     regsub -all "\r" "$output" "" output;
     regsub "\n*$" $expected "" expected
     regsub "\n*$" $output "" output
     regsub "^\n*" $expected "" expected
     regsub "^\n*" $output "" output
     regsub -all "\[ \t\]\[ \t\]*" $expected " " expected
     regsub -all "\[ \t\]*\n\n*" $expected "\n" expected
     regsub -all "\[ \t\]\[ \t\]*" $output " " output
     regsub -all "\[ \t\]*\n\n*" $output "\n" output
     verbose "expected is $expected"
     verbose "actual is $output"
     set passed 0;
     if {$options == "regexp_match"} {
 	if [regexp $expected $output] {
 	    set passed 1;
 	}
     } else {
 	if { $expected == $output } {
 	    set passed 1;
 	}
     }
     if {[info exists opts(xfail-output)]} {
 	setup_xfail *-*-*
     }
     if { $passed == 1 } {
 	pass "$errname output from source compiled test"
     } else {
 	clone_output "expected was $expected"
 	clone_output "output was $output"
 	fail "$errname output from source compiled test"
     }
     close $id;
 }

 #
 # Run the test specified by srcfile and resultfile. compile_args and
 # exec_args are options telling this proc how to work.
 #
 proc test_libjava_from_javac { options srcfile compile_args inpfile resultfile exec_args } {
     global base_dir
     global LIBJAVA
     global LIBGC
     global srcdir subdir objdir
     global TOOL_OPTIONS
     global GCJ_UNDER_TEST
     global tmpdir
     global runtests

     # Make opts into an array.
     set opts(_) x
     unset opts(_)
     foreach item $exec_args {
 	set opts($item) x
     }

     set errname [file rootname [file tail $srcfile]]
     if {! [runtest_file_p $runtests $errname]} {
         return
     }

     # bytecompile files with Sun's compiler for now.
     set bc_ok [bytecompile_file $srcfile $objdir]

     set javac [find_javac]
     # This is an ugly heuristic but it will have to do.
     if {[string match *gcj* $javac]} {
 	set tag gcjC
     } else {
 	set tag javac
     }
     if {[info exists opts(xfail-$tag)]} {
 	setup_xfail *-*-*
     }
     if {! $bc_ok} then {
 	if {[info exists opts(shouldfail)]} {
 	    pass "$errname byte compilation"
 	    return
 	}
 	fail "$errname byte compilation"
 	untested "$errname compilation from bytecode"
 	if {! [info exists opts(no-exec)]} {
 	    untested "$errname execution from bytecode->native test"
 	    untested "$errname output from bytecode->native test"
 	}
 	return
     }
     if {[info exists opts(shouldfail)]} {
 	fail "$errname byte compilation"
 	return
     }
     pass "$errname byte compilation"

     # Find name to use for --main, and name of all class files.
     set jvscan [find_jvscan]
     verbose "jvscan is $jvscan"
     set main_name [string trim \
 		     [prune_warnings \
 			[libjava_tcompile $srcfile "" none \
 			   "compiler=$jvscan additional_flags=--print-main"]]]
     verbose "main name is $main_name"
     set class_out [string trim \
 		     [prune_warnings \
 			[libjava_tcompile $srcfile "" none \
 			   "compiler=$jvscan additional_flags=--list-class"]]]
     verbose "class list is $class_out"

     if {[string match "*parse error*" $main_name]
 	|| [string match "*parse error*" $class_out]} {
 	untested "$errname compilation from bytecode"
 	if {! [info exists opts(no-exec)]} {
 	    untested "$errname execution from bytecode->native test"
 	    untested "$errname output from bytecode->native test"
 	}
 	return
     }

     # Turn "a b" into "a.class b.class".
     # Also, turn "foo.bar" into "foo/bar.class".
     set class_files {}
     foreach file [split [string trim $class_out]] {
 	set file [join [split $file .] /]
 	lappend class_files $objdir/$file.class
     }

     # Usually it is an error for a test program not to have a `main'
     # method.  However, for no-exec tests it is ok.  Treat no-link
     # like no-exec here.
     if {[info exists opts(no-link)]} {
 	set opts(no-exec) x
     }
     set largs {}

     if {[info exists opts(no-exec)]} {
 	set type object
 	set mode compile
     } elseif {$main_name == ""} {
 	perror "No `main' given in program $errname"
 	return
     } else {
 	set type executable
 	lappend largs "additional_flags=--main=$main_name"
 	set executable "${objdir}/$main_name"
 	set mode link
     }

     # Initial arguments.
     set args [libjava_arguments $mode]
     eval lappend args $largs

     if { $compile_args != "" } {
 	lappend args "additional_flags=$compile_args"
     }

     if { $compile_args != "" } {
 	set errname "$errname $compile_args"
     }

     verbose "compilation command = $args" 2
     # When compiling and not linking, we have to build each .o
     # separately.  We do this because DejaGNU's target_compile won't
     # accept an empty "destfile" argument when the mode is "compile".
     if {$mode == "compile"} {
 	foreach c_file $class_files {
 	    set executable [file rootname [file tail $c_file]].o
 	    set x [prune_warnings \
 		     [libjava_tcompile $c_file "$executable" $type $args]]
 	    if {$x != ""} {
 		break
 	    }
 	}
     } else {
 	# This is no evil: we de-listify CLASS_FILES so that we can
 	# turn around and quote the `$' in it for the shell.  I really
 	# hate DejaGNU.  It is so !@#$!@# unpredictable.
 	set hack ""
 	foreach stupid $class_files {
 	    set hack "$hack $stupid"
 	}
 	set x [prune_warnings \
 		 [libjava_tcompile $hack "$executable" $type $args]]
     }
     if {[info exists opts(xfail-byte)]} {
 	setup_xfail *-*-*
     }
     if { $x != "" } {
 	verbose "target_compile failed: $x" 2
 	fail "$errname compilation from bytecode"
 	if {! [info exists opts(no-exec)]} {
 	    untested "$errname execution from bytecode->native test"
 	    untested "$errname output from bytecode->native test"
 	}
 	return;
     }
     pass "$errname compilation from bytecode"

     if {[info exists opts(no-exec)]} {
 	return
     }

     set result [libjava_load $executable "" "$inpfile"];
     set status [lindex $result 0];
     set output [lindex $result 1];
     if {[info exists opts(xfail-exec)]} {
 	setup_xfail *-*-*
     }
     $status "$errname execution from bytecode->native test"
     if { $status != "pass" } {
 	untested "$errname output from bytecode->native test"
 	return;
     }

     verbose "resultfile is $resultfile"
     set id [open $resultfile r];
     set expected ""
     append expected [read $id];
     regsub -all "\r" "$output" "" output;
     regsub "\n*$" $expected "" expected
     regsub "\n*$" $output "" output
     regsub "^\n*" $expected "" expected
     regsub "^\n*" $output "" output
     regsub -all "\[ \t\]\[ \t\]*" $expected " " expected
     regsub -all "\[ \t\]*\n\n*" $expected "\n" expected
     regsub -all "\[ \t\]\[ \t\]*" $output " " output
     regsub -all "\[ \t\]*\n\n*" $output "\n" output
     verbose "expected is $expected"
     verbose "actual is $output"
     set passed 0;
     if {[info exists opts(xfail-output)]} {
 	setup_xfail *-*-*
     }
     if {$options == "regexp_match"} {
 	if [regexp $expected $output] {
 	    set passed 1;
 	}
     } else {
 	if { $expected == $output } {
 	    set passed 1;
 	}
     }
     if { $passed == 1 } {
 	pass "$errname output from bytecode->native test"
     } else {
 	clone_output "expected was $expected"
 	clone_output "output was $output"
 	fail "$errname output from bytecode->native test"
     }
     close $id;
 }

 #
 # Run the test specified by srcfile and resultfile. compile_args and
 # exec_args are options telling this proc how to work.
 #   `no-link'     don't try to link the program
 #   `no-exec'     don't try to run the test
 #   `xfail-gcj'   compilation from source will fail
 #   `xfail-javac' compilation with javac will fail
 #   `xfail-gcjC'  compilation with gcj -C will fail
 #   `shouldfail'  compilation from source is supposed to fail
 #                 This is different from xfail, which marks a known
 #                 failure that we just havne't fixed.
 #                 A compilation marked this way should fail with any
 #                 front end.
 #   `xfail-byte'  compilation from bytecode will fail
 #   `xfail-exec'  exec will fail
 #   `xfail-output' output will be wrong
 #
 proc test_libjava { options srcfile compile_args inpfile resultfile exec_args } {
     test_libjava_from_source $options $srcfile $compile_args $inpfile $resultfile $exec_args
     test_libjava_from_javac $options $srcfile $compile_args $inpfile $resultfile $exec_args
  }

 #
 # libjava_version -- extract and print the version number of libjavap
 #
 proc default_libjava_version {} {
 }

 proc default_libjava_start { } {
 }

 # Local Variables:
 # tcl-indent-level:4
 # End:
	# Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation

	load_lib "libgloss.exp"

	# GCJ_UNDER_TEST is the compiler under test.

	global tmpdir

	if ![info exists tmpdir] {
	set tmpdir "/tmp"
	}

	# This is like `target_compile' but it does some surgery to work
	# around stupid DejaGNU bugs. In particular DejaGNU has very poor
	# quoting, so for instance a `$' will be re-evaluated at spawn time.
	# We don't want that.
	proc libjava_tcompile {source destfile type options} {
	# This strange-looking expression really does quote the `$'.
	regsub -all -- {\$} $source {\$} source
	regsub -all -- {\$} $destfile {\$} destfile
	return [target_compile $source $destfile $type $options]
	}

	# Read an `xfail' file if it exists. Returns a list of xfail tokens.
	proc libjava_read_xfail {file} {
	if {! [file exists $file]} {
	return ""
	}
	set fd [open $file r]
	set tokens [string trim [read $fd]]
	close $fd
	return $tokens
	}

	# Find a particular executable. FIXME: this relies on DejaGnu
	# internals. These should probably be exposed in a better way.
	proc libjava_find_program {prog} {
	global tool_root_dir

	set file [lookfor_file $tool_root_dir $prog]
	if { $file == "" } {
	set file [lookfor_file $tool_root_dir gcc/$prog];
	}
	if {$file == ""} {
	set file $prog
	}
	return $file
	}

	# Find `jv-scan'.
	proc find_jvscan {} {
	return [libjava_find_program jv-scan]
	}

	# Find `gcjh'.
	proc find_gcjh {} {
	return [libjava_find_program gcjh]
	}

	proc find_javac {} {
	global SUN_JAVAC GCJ_UNDER_TEST env
	# If JDK doesn't run on your platform but some other
	# JDK-compatible javac does, you may set SUN_JAVAC to point to it.
	# One of the most important properties of a SUN_JAVAC is that it
	# must create class-files even for classes that have not been
	# specified in the command line, but that were needed to compile
	# those that have. For example, Pizza won't do it, but you can
	# use `kaffe sun.tools.javac.Main', if you have Sun's classes.zip
	# in the kaffe's default search path.
	if {![info exists SUN_JAVAC]} {
	if {[info exists env(SUN_JAVAC)]} {
	set SUN_JAVAC $env(SUN_JAVAC)
	} else {
	set SUN_JAVAC "$GCJ_UNDER_TEST -C"
	}
	}
	return $SUN_JAVAC
	}

	proc bytecompile_file { file objdir {classpath {}} } {
	global env
	set dirname [file dirname $file]

	set javac [find_javac]
	if {$classpath != ""} then {
	set env(CLASSPATH) $classpath
	}
	set here [pwd]
	cd $dirname
	if {[catch {
	set q [eval exec "$javac [list $file] -d $objdir 2>@ stdout"]
	} msg]} then {
	verbose "couldn't compile $file: $msg"
	set r 0
	} else {
	set r 1
	}
	cd $here
	return $r
	}

	set libjava_initialized 0

	#
	# Build the status wrapper library as needed.
	#
	proc libjava_init { args } {
	global wrapper_file;
	global wrap_compile_flags;
	global libjava_initialized
	global GCJ_UNDER_TEST
	global TOOL_EXECUTABLE
	global original_ld_library_path
	global env

	if { $libjava_initialized == 1 } { return; }

	if ![info exists GCJ_UNDER_TEST] {
	if [info exists TOOL_EXECUTABLE] {
	set GCJ_UNDER_TEST $TOOL_EXECUTABLE;
	} else {
	if [info exists env(GCJ)] {
	set GCJ_UNDER_TEST $env(GCJ)
	} else {
	set GCJ_UNDER_TEST "[find_gcj]"
	}
	}
	}

	if [info exists env(LD_LIBRARY_PATH)] {
	set original_ld_library_path $env(LD_LIBRARY_PATH)
	} else {
	if [info exists env(SHLIB_PATH)] {
	set original_ld_library_path $env(SHLIB_PATH)
	} else {
	set original_ld_library_path ""
	}
	}

	set wrapper_file "";
	set wrap_compile_flags "";
	if [target_info exists needs_status_wrapper] {
	set result [build_wrapper "testglue.o"];
	if { $result != "" } {
	set wrapper_file [lindex $result 0];
	set wrap_compile_flags [lindex $result 1];
	} else {
	warning "Status wrapper failed to build."
	}
	}

	set libjava_initialized 1
	}

	# Find a library. We know where libtool puts the actual libraries,
	# and we look there. The implementation is fairly hacky. We can't
	# compile with -nodefaultlibs, because that will also eliminate the
	# system libraries we need. In order to have gcj still work, it must
	# find the appropriate libraries so we must add -L options for their
	# paths. However we can't simply use those libraries; we still need
	# libtool for linking.
	proc libjava_find_lib {dir name} {
	global base_dir
	set gp [get_multilibs]
	foreach sub {.libs _libs} {
	if {$gp != ""} {
	if {[file exists $gp/$dir/$sub/lib${name}.a]} then {
	return "$gp/$dir/lib${name}.la -L$gp/$dir/$sub"
	}
	}
	set lib [findfile $base_dir/../../$dir/$sub/lib${name}.a \
	"$base_dir/../../$dir/lib${name}.la -L$base_dir/../../$dir/$sub" \
	""]
	if {$lib != ""} {
	return $lib
	}
	}
	return ""
	}

	# Compute arguments needed for compiler. MODE is a libtool mode:
	# either compile or link.
	proc libjava_arguments {{mode compile}} {
	global base_dir
	global LIBJAVA
	global LIBGC
	global LIBQTHREADS
	global LIBZ
	global srcdir subdir objdir
	global TOOL_OPTIONS
	global GCJ_UNDER_TEST
	global tmpdir
	global runtests
	global env
	global tool_root_dir

	if [info exists LIBJAVA] {
	set libjava $LIBJAVA;
	} else {
	set libjava [libjava_find_lib libjava gcj]
	}

	if [info exists LIBGC] {
	set libgc $LIBGC;
	} else {
	set libgc [libjava_find_lib boehm-gc gcjgc]
	}

	if [info exists LIBQTHREADS] {
	set libqthreads $LIBQTHREADS
	} else {
	set libqthreads [libjava_find_lib qthreads gcjcoop]
	}

	if [info exists LIBZ] {
	set libz $LIBZ
	} else {
	set libz [libjava_find_lib zlib zgcj]
	}

	# FIXME: there's no way to determine whether -lpthread is
	# required. We should get this info from configure, or it should
	# just be in the compiler driver.

	verbose "using LIBJAVA = $libjava" 2
	verbose "using LIBGC = $libgc" 2
	verbose "using LIBQTHREADS = $libqthreads" 2
	verbose "using LIBZ = $libz" 2
	set args ""

	# Basically we want to build up a colon separated path list from
	# the value of $libjava.

	set lpath {}
	foreach dir [list $libjava $libgc $libz] {
	foreach item [split $dir " "] {
	switch -glob -- $item {
	"-L*" {
	lappend lpath [string range $item 2 end]
	}
	}
	}
	}

	# Finally, add the gcc build directory so that we can find the
	# shared libgcc. This, like much of dejagnu, is hideous.
	set gccdir [lookfor_file $tool_root_dir gcc/libgcc_s.so]
	if {$gccdir != ""} {
	lappend lpath [file dirname $gccdir]
	}

	set ld_library_path [join $lpath :]

	# That's enough to make things work for the normal case.
	# If we wanted to handle an arbitrary value of libjava,
	# then we'd have to do a lot more work.

	# Set variables the dynamic linker looks at.
	global original_ld_library_path
	setenv LD_LIBRARY_PATH "$ld_library_path:$original_ld_library_path"
	setenv SHLIB_PATH "$ld_library_path:$original_ld_library_path"

	verbose "LD_LIBRARY_PATH = $env(LD_LIBRARY_PATH)"

	# Set the CLASSPATH environment variable
	verbose "CLASSPATH is .:$srcdir/$subdir:$objdir:$objdir/../libgcj.jar"
	global env
	set env(CLASSPATH) ".:$srcdir/$subdir:$objdir:$objdir/../libgcj.jar"

	global wrapper_file wrap_compile_flags;
	lappend args "additional_flags=$wrap_compile_flags";
	lappend args "libs=$wrapper_file";
	lappend args "libs=$libjava";
	lappend args "libs=$libgc";
	lappend args "libs=$libqthreads"
	lappend args "libs=$libz"
	lappend args debug

	if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
	lappend args "libs=${gluefile}"
	lappend args "ldflags=$wrap_flags"
	}

	if [info exists TOOL_OPTIONS] {
	lappend args "additional_flags=$TOOL_OPTIONS"
	}

	# Search for libtool. We need it to link.
	set found_compiler 0
	set d [absolute $objdir]
	foreach x {. .. ../.. ../../..} {
	if {[file exists $d/$x/libtool]} then {
	# We have to run silently to avoid DejaGNU lossage.
	lappend args \
	"compiler=$d/$x/libtool --silent --tag=GCJ --mode=$mode $GCJ_UNDER_TEST -B$objdir/../"
	set found_compiler 1
	break
	}
	}
	if {! $found_compiler} {
	# Append -B$objdir/../ so that we find libgcj.spec before it
	# is installed.
	lappend args "compiler=$GCJ_UNDER_TEST -B$objdir/../"
	}

	return $args
	}


	#
	# Run the test specified by srcfile and resultfile. compile_args and
	# exec_args are options telling this proc how to work.
	#
	proc test_libjava_from_source { options srcfile compile_args inpfile resultfile exec_args } {
	global base_dir
	global LIBJAVA
	global LIBGC
	global srcdir subdir objdir
	global TOOL_OPTIONS
	global GCJ_UNDER_TEST
	global tmpdir
	global runtests

	# Make opts into an array.
	set opts(_) x
	unset opts(_)
	foreach item $exec_args {
	set opts($item) x
	}

	set errname [file rootname [file tail $srcfile]]
	if {! [runtest_file_p $runtests $errname]} {
	return
	}

	if {[info exists opts(no-link)]} {
	set mode compile
	} else {
	set mode link
	}
	set args [libjava_arguments $mode]
	if {! [info exists opts(no-link)]} {
	# Add the --main flag
	lappend args "additional_flags=--main=[file rootname [file tail $srcfile]]"
	if { $compile_args != "" } {
	lappend args "additional_flags=$compile_args"
	}
	}

	regsub "^./(\[^/.\]+)\[.\]\[^/]$" "$srcfile" "\\1" out
	set executable "${objdir}/$out"
	if {[info exists opts(no-link)]} {
	append executable ".o"
	set target object
	} else {
	set target executable
	}
	if { $compile_args != "" } {
	set errname "$errname $compile_args"
	}

	set x [prune_warnings \
	[libjava_tcompile $srcfile "$executable" $target $args]]
	if {[info exists opts(xfail-gcj)]} {
	setup_xfail --*
	}
	if { $x != "" } {
	verbose "target_compile failed: $x" 2

	if {[info exists opts(shouldfail)]} {
	pass "$errname compilation from source"
	return
	}

	fail "$errname compilation from source"
	if {[info exists opts(xfail-gcj)] \|\| ! [info exists opts(no-exec)]} {
	untested "$errname execution from source compiled test"
	untested "$errname output from source compiled test"
	}
	return
	}
	if {[info exists opts(shouldfail)]} {
	fail "$errname compilation from source"
	return
	}
	pass "$errname compilation from source"

	if {[info exists opts(no-exec)]
	\|\| [info exists opts(no-link)]} {
	return
	}

	set result [libjava_load $executable "" "$inpfile"];
	set status [lindex $result 0];
	set output [lindex $result 1];
	if {[info exists opts(xfail-exec)]} then {
	setup_xfail --*
	}
	$status "$errname execution from source compiled test"
	if { $status != "pass" } {
	untested "$errname output from source compiled test"
	return;
	}

	verbose "resultfile is $resultfile"
	set id [open $resultfile r];
	set expected ""
	append expected [read $id];
	regsub -all "\r" "$output" "" output;
	regsub "\n*$" $expected "" expected
	regsub "\n*$" $output "" output
	regsub "^\n*" $expected "" expected
	regsub "^\n*" $output "" output
	regsub -all "\[ \t\]\[ \t\]*" $expected " " expected
	regsub -all "\[ \t\]\n\n" $expected "\n" expected
	regsub -all "\[ \t\]\[ \t\]*" $output " " output
	regsub -all "\[ \t\]\n\n" $output "\n" output
	verbose "expected is $expected"
	verbose "actual is $output"
	set passed 0;
	if {$options == "regexp_match"} {
	if [regexp $expected $output] {
	set passed 1;
	}
	} else {
	if { $expected == $output } {
	set passed 1;
	}
	}
	if {[info exists opts(xfail-output)]} {
	setup_xfail --*
	}
	if { $passed == 1 } {
	pass "$errname output from source compiled test"
	} else {
	clone_output "expected was $expected"
	clone_output "output was $output"
	fail "$errname output from source compiled test"
	}
	close $id;
	}

	#
	# Run the test specified by srcfile and resultfile. compile_args and
	# exec_args are options telling this proc how to work.
	#
	proc test_libjava_from_javac { options srcfile compile_args inpfile resultfile exec_args } {
	global base_dir
	global LIBJAVA
	global LIBGC
	global srcdir subdir objdir
	global TOOL_OPTIONS
	global GCJ_UNDER_TEST
	global tmpdir
	global runtests

	# Make opts into an array.
	set opts(_) x
	unset opts(_)
	foreach item $exec_args {
	set opts($item) x
	}

	set errname [file rootname [file tail $srcfile]]
	if {! [runtest_file_p $runtests $errname]} {
	return
	}

	# bytecompile files with Sun's compiler for now.
	set bc_ok [bytecompile_file $srcfile $objdir]

	set javac [find_javac]
	# This is an ugly heuristic but it will have to do.
	if {[string match gcj $javac]} {
	set tag gcjC
	} else {
	set tag javac
	}
	if {[info exists opts(xfail-$tag)]} {
	setup_xfail --*
	}
	if {! $bc_ok} then {
	if {[info exists opts(shouldfail)]} {
	pass "$errname byte compilation"
	return
	}
	fail "$errname byte compilation"
	untested "$errname compilation from bytecode"
	if {! [info exists opts(no-exec)]} {
	untested "$errname execution from bytecode->native test"
	untested "$errname output from bytecode->native test"
	}
	return
	}
	if {[info exists opts(shouldfail)]} {
	fail "$errname byte compilation"
	return
	}
	pass "$errname byte compilation"

	# Find name to use for --main, and name of all class files.
	set jvscan [find_jvscan]
	verbose "jvscan is $jvscan"
	set main_name [string trim \
	[prune_warnings \
	[libjava_tcompile $srcfile "" none \
	"compiler=$jvscan additional_flags=--print-main"]]]
	verbose "main name is $main_name"
	set class_out [string trim \
	[prune_warnings \
	[libjava_tcompile $srcfile "" none \
	"compiler=$jvscan additional_flags=--list-class"]]]
	verbose "class list is $class_out"

	if {[string match "parse error" $main_name]
	\|\| [string match "parse error" $class_out]} {
	untested "$errname compilation from bytecode"
	if {! [info exists opts(no-exec)]} {
	untested "$errname execution from bytecode->native test"
	untested "$errname output from bytecode->native test"
	}
	return
	}

	# Turn "a b" into "a.class b.class".
	# Also, turn "foo.bar" into "foo/bar.class".
	set class_files {}
	foreach file [split [string trim $class_out]] {
	set file [join [split $file .] /]
	lappend class_files $objdir/$file.class
	}

	# Usually it is an error for a test program not to have a `main'
	# method. However, for no-exec tests it is ok. Treat no-link
	# like no-exec here.
	if {[info exists opts(no-link)]} {
	set opts(no-exec) x
	}
	set largs {}

	if {[info exists opts(no-exec)]} {
	set type object
	set mode compile
	} elseif {$main_name == ""} {
	perror "No `main' given in program $errname"
	return
	} else {
	set type executable
	lappend largs "additional_flags=--main=$main_name"
	set executable "${objdir}/$main_name"
	set mode link
	}

	# Initial arguments.
	set args [libjava_arguments $mode]
	eval lappend args $largs

	if { $compile_args != "" } {
	lappend args "additional_flags=$compile_args"
	}

	if { $compile_args != "" } {
	set errname "$errname $compile_args"
	}

	verbose "compilation command = $args" 2
	# When compiling and not linking, we have to build each .o
	# separately. We do this because DejaGNU's target_compile won't
	# accept an empty "destfile" argument when the mode is "compile".
	if {$mode == "compile"} {
	foreach c_file $class_files {
	set executable [file rootname [file tail $c_file]].o
	set x [prune_warnings \
	[libjava_tcompile $c_file "$executable" $type $args]]
	if {$x != ""} {
	break
	}
	}
	} else {
	# This is no evil: we de-listify CLASS_FILES so that we can
	# turn around and quote the `$' in it for the shell. I really
	# hate DejaGNU. It is so !@#$!@# unpredictable.
	set hack ""
	foreach stupid $class_files {
	set hack "$hack $stupid"
	}
	set x [prune_warnings \
	[libjava_tcompile $hack "$executable" $type $args]]
	}
	if {[info exists opts(xfail-byte)]} {
	setup_xfail --*
	}
	if { $x != "" } {
	verbose "target_compile failed: $x" 2
	fail "$errname compilation from bytecode"
	if {! [info exists opts(no-exec)]} {
	untested "$errname execution from bytecode->native test"
	untested "$errname output from bytecode->native test"
	}
	return;
	}
	pass "$errname compilation from bytecode"

	if {[info exists opts(no-exec)]} {
	return
	}

	set result [libjava_load $executable "" "$inpfile"];
	set status [lindex $result 0];
	set output [lindex $result 1];
	if {[info exists opts(xfail-exec)]} {
	setup_xfail --*
	}
	$status "$errname execution from bytecode->native test"
	if { $status != "pass" } {
	untested "$errname output from bytecode->native test"
	return;
	}

	verbose "resultfile is $resultfile"
	set id [open $resultfile r];
	set expected ""
	append expected [read $id];
	regsub -all "\r" "$output" "" output;
	regsub "\n*$" $expected "" expected
	regsub "\n*$" $output "" output
	regsub "^\n*" $expected "" expected
	regsub "^\n*" $output "" output
	regsub -all "\[ \t\]\[ \t\]*" $expected " " expected
	regsub -all "\[ \t\]\n\n" $expected "\n" expected
	regsub -all "\[ \t\]\[ \t\]*" $output " " output
	regsub -all "\[ \t\]\n\n" $output "\n" output
	verbose "expected is $expected"
	verbose "actual is $output"
	set passed 0;
	if {[info exists opts(xfail-output)]} {
	setup_xfail --*
	}
	if {$options == "regexp_match"} {
	if [regexp $expected $output] {
	set passed 1;
	}
	} else {
	if { $expected == $output } {
	set passed 1;
	}
	}
	if { $passed == 1 } {
	pass "$errname output from bytecode->native test"
	} else {
	clone_output "expected was $expected"
	clone_output "output was $output"
	fail "$errname output from bytecode->native test"
	}
	close $id;
	}

	#
	# Run the test specified by srcfile and resultfile. compile_args and
	# exec_args are options telling this proc how to work.
	# `no-link' don't try to link the program
	# `no-exec' don't try to run the test
	# `xfail-gcj' compilation from source will fail
	# `xfail-javac' compilation with javac will fail
	# `xfail-gcjC' compilation with gcj -C will fail
	# `shouldfail' compilation from source is supposed to fail
	# This is different from xfail, which marks a known
	# failure that we just havne't fixed.
	# A compilation marked this way should fail with any
	# front end.
	# `xfail-byte' compilation from bytecode will fail
	# `xfail-exec' exec will fail
	# `xfail-output' output will be wrong
	#
	proc test_libjava { options srcfile compile_args inpfile resultfile exec_args } {
	test_libjava_from_source $options $srcfile $compile_args $inpfile $resultfile $exec_args
	test_libjava_from_javac $options $srcfile $compile_args $inpfile $resultfile $exec_args
	}

	#
	# libjava_version -- extract and print the version number of libjavap
	#
	proc default_libjava_version {} {
	}

	proc default_libjava_start { } {
	}

	# Local Variables:
	# tcl-indent-level:4
	# End: