Merge to HEAD at tree-cleanup-merge-20041024 .new-regalloc-branch

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/new-regalloc-branch@95203 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 256 insertions, 1 deletions

diff --git a/gcc/testsuite/lib/treelang.exp b/gcc/testsuite/lib/treelang.exp
index e3d6c49aed2..94bb8a0b115 100644
--- a/gcc/testsuite/lib/treelang.exp
+++ b/gcc/testsuite/lib/treelang.exp
@@ -1,4 +1,5 @@
-# Copyright (C) 1988, 90, 91, 92, 95, 96, 1997, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2004
+# Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,7 +15,261 @@
 # along with this program; if not, write to the Free Software
 # Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
+# This file was written by Rob Savoye (rob@cygnus.com)
+# Currently maintained by James A. Morrison (ja2morri@uwaterloo.ca)
+
 # Having this file here magically tells dejagnu that the treelang
 # directory is worthy of testing
 
+# This file is basically treelang.exp with treelang replaced with treelang.
+
+# This file is loaded by the tool init file (eg: unix.exp).  It provides
+# default definitions for treelang_start, etc. and other supporting cast members.
+
+# These globals are used by treelang_start if no compiler arguments are provided.
+# They are also used by the various testsuites to define the environment:
+# where to find stdio.h, libc.a, etc.
+
+load_lib libgloss.exp
+load_lib prune.exp
+load_lib gcc-defs.exp
+
+#
+# TREELANG_UNDER_TEST is the compiler under test.
+#
+
+#
+# default_treelang_version -- extract and print the version number of the compiler
+#
+
+proc default_treelang_version { } {
+    global TREELANG_UNDER_TEST
+
+    treelang_init;
+
+    # ignore any arguments after the command
+    set compiler [lindex $TREELANG_UNDER_TEST 0]
+
+    if ![is_remote host] {
+	set compiler_name [which $compiler];
+    } else {
+	set compiler_name $compiler;
+    }
+
+    # verify that the compiler exists
+    if { $compiler_name != 0 } then {
+	set tmp [remote_exec host "$compiler -v"]
+	set status [lindex $tmp 0];
+	set output [lindex $tmp 1];
+	regexp " version \[^\n\r\]*" $output version
+	if { $status == 0 && [info exists version] } then {
+	    clone_output "$compiler_name $version\n"
+	} else {
+	    clone_output "Couldn't determine version of $compiler_name: $output\n"
+	}
+    } else {
+	# compiler does not exist (this should have already been detected)
+	warning "$compiler does not exist"
+    }
+}
+
+# treelang_init -- called at the start of each .exp script.
+#
+# There currently isn't much to do, but always using it allows us to
+# make some enhancements without having to go back and rewrite the scripts.
+#
+
+set treelang_initialized 0
+
+proc treelang_init { args } {
+    global rootme
+    global tmpdir
+    global libdir
+    global gluefile wrap_flags
+    global treelang_initialized
+    global TREELANG_UNDER_TEST
+    global TOOL_EXECUTABLE
+    global treelang_libgcc_s_path
+
+    if { $treelang_initialized == 1 } { return; }
+
+    if ![info exists TREELANG_UNDER_TEST] then {
+	if [info exists TOOL_EXECUTABLE] {
+	    set TREELANG_UNDER_TEST $TOOL_EXECUTABLE;
+	} else {
+	    set TREELANG_UNDER_TEST [find_gcc]
+	}
+    }
+
+    if ![info exists tmpdir] then {
+	set tmpdir /tmp
+    }
+
+    treelang_maybe_build_wrapper "${tmpdir}/treelang-testglue.o"
+
+    set treelang_libgcc_s_path "${rootme}"
+    set compiler [lindex $TREELANG_UNDER_TEST 0]
+    if { [is_remote host] == 0 && [which $compiler] != 0 } {
+	foreach i "[exec $compiler --print-multi-lib]" {
+	    set mldir ""
+	    regexp -- "\[a-z0-9=/\.-\]*;" $i mldir
+	    set mldir [string trimright $mldir "\;@"]
+	    if { "$mldir" == "." } {
+		continue
+	    }
+	    if { [llength [glob -nocomplain ${rootme}/${mldir}/libgcc_s*.so.*]] == 1 } {
+		append treelang_libgcc_s_path ":${rootme}/${mldir}"
+	    }
+	}
+    }
+}
+
+proc treelang_target_compile { source dest type options } {
+    global rootme;
+    global tmpdir;
+    global gluefile wrap_flags;
+    global srcdir
+    global TREELANG_UNDER_TEST
+    global TOOL_OPTIONS
+    global ld_library_path
+    global treelang_libgcc_s_path
+
+    set ld_library_path ".:${treelang_libgcc_s_path}"
+    lappend options "libs=-ltreelang"
+
+    if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
+	lappend options "libs=${gluefile}"
+	lappend options "ldflags=$wrap_flags"
+    }
+
+    # TOOL_OPTIONS must come first, so that it doesn't override testcase
+    # specific options.
+    if [info exists TOOL_OPTIONS] {
+	set options [concat "additional_flags=$TOOL_OPTIONS" $options];
+    }
+
+    # If we have built libtreelang along with the compiler (which usually
+    # _is not_ the case on Mac OS X systems), point the test harness
+    # at it (and associated headers).
+
+    return [target_compile $source $dest $type $options]
+}
+
+#
+# treelang_pass -- utility to record a testcase passed
+#
+
+proc treelang_pass { testcase cflags } {
+    if { "$cflags" == "" } {
+	pass "$testcase"
+    } else {
+	pass "$testcase, $cflags"
+    }
+}
+
+#
+# treelang_fail -- utility to record a testcase failed
+#
+
+proc treelang_fail { testcase cflags } {
+    if { "$cflags" == "" } {
+	fail "$testcase"
+    } else {
+	fail "$testcase, $cflags"
+    }
+}
+
+#
+# treelang_finish -- called at the end of every .exp script that calls treelang_init
+#
+# The purpose of this proc is to hide all quirks of the testing environment
+# from the testsuites.  It also exists to undo anything that treelang_init did
+# (that needs undoing).
+#
+
+proc treelang_finish { } {
+    # The testing harness apparently requires this.
+    global errorInfo;
+
+    if [info exists errorInfo] then {
+	unset errorInfo
+    }
+
+    # Might as well reset these (keeps our caller from wondering whether
+    # s/he has to or not).
+    global prms_id bug_id
+    set prms_id 0
+    set bug_id 0
+}
+
+proc treelang_exit { } {
+    global gluefile;
+
+    if [info exists gluefile] {
+	file_on_build delete $gluefile;
+	unset gluefile;
+    }
+}
+    
+# If this is an older version of dejagnu (without runtest_file_p),
+# provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
+# This can be deleted after next dejagnu release.
+
+if { [info procs runtest_file_p] == "" } then {
+    proc runtest_file_p { runtests testcase } {
+	if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
+	    if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
+		return 1
+	    } else {
+		return 0
+	    }
+	}
+	return 1
+    }
+}
+
+# Provide a definition of this if missing (delete after next dejagnu release).
+
+if { [info procs prune_warnings] == "" } then {
+    proc prune_warnings { text } {
+	return $text
+    }
+}
+
+# Utility used by mike-gcc.exp and c-torture.exp.
+# Check the compiler(/assembler/linker) output for text indicating that
+# the testcase should be marked as "unsupported".
+#
+# When dealing with a large number of tests, it's difficult to weed out the
+# ones that are too big for a particular cpu (eg: 16 bit with a small amount
+# of memory).  There are various ways to deal with this.  Here's one.
+# Fortunately, all of the cases where this is likely to happen will be using
+# gld so we can tell what the error text will look like.
+
+proc ${tool}_check_unsupported_p { output } {
+    if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
+	return "memory full"
+    }
+    return ""
+}
+
+# Prune messages from treelang that aren't useful.
+
+proc prune_treelang_output { text } {
+    #send_user "Before:$text\n"
+    regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
+    regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text
+
+    # It would be nice to avoid passing anything to treelang that would cause it to
+    # issue these messages (since ignoring them seems like a hack on our part),
+    # but that's too difficult in the general case.  For example, sometimes
+    # you need to use -B to point treelang at crt0.o, but there are some targets
+    # that don't have crt0.o.
+    regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
+    regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
+
+    #send_user "After:$text\n"
+
+    return $text
+}