Merge commit 'upstream/2.20'

[msp430-binutils.git] / ld / testsuite / ld-gc / gc.exp

diff --git a/ld/testsuite/ld-gc/gc.exp b/ld/testsuite/ld-gc/gc.exp
new file mode 100644 (file)
index 0000000..c85d4f2
--- /dev/null
+++ b/ld/testsuite/ld-gc/gc.exp
@@ -0,0 +1,92 @@
+# Expect script for ld-gc tests
+#   Copyright 2008, 2009
+#   Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# 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
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+# These tests require --gc-sections
+if ![check_gc_sections_available] {
+    return
+}
+
+set cflags "-ffunction-sections -fdata-sections"
+set objfile "tmpdir/gc.o"
+
+if { [is_remote host] || [which $CC] != 0 } {
+    ld_compile "$CC -c $CFLAGS $cflags" $srcdir/$subdir/gc.c $objfile
+}
+
+proc test_gc { testname filename linker ldflags} {
+    global nm
+    global srcdir
+    global subdir
+    global nm_output
+    global objfile
+
+    if ![file readable $objfile ] {
+       untested $testname
+       return
+    }
+
+    set outfile "tmpdir/$filename"
+    set options "-L$srcdir/$subdir"
+    append options " " $ldflags " " [ld_simple_link_defsyms] " " $objfile
+
+    # SH64 targets needs an extra ld option for this test.
+    if [istarget sh64*-*-*] {
+       if [istarget sh64*l*-*-*] {
+           set options "-mshlelf32 $options"
+       } else {
+           set options "-mshelf32 $options"
+       }
+    }
+
+    if ![ld_simple_link $linker $outfile $options] {
+       fail $testname
+       return
+    }
+    if ![ld_nm $nm "" $outfile] {
+       unresolved $testname
+       return
+    }
+    if {![info exists nm_output(used_func)] \
+           || ![info exists nm_output(used_var)]} {
+       send_log "used sections do not exist\n"
+       verbose "used sections do not exist"
+       fail $testname
+       return
+    }
+    #ppc64_elf_gc_mark_hook needs to be taught how to look through
+    #the .toc section to properly mark variable sections for gc.
+    setup_xfail "powerpc64*-*-*"
+    if {[info exists nm_output(unused_func)] \
+           || [info exists nm_output(unused_var)]} {
+       send_log "unused section still here\n"
+       verbose "unused section still here"
+       fail $testname
+       return
+    }
+    pass $testname
+}
+
+test_gc "Check --gc-section" "gcexe" $ld "--gc-sections -e main"
+test_gc "Check --gc-section/-q" "gcrexe" $ld "--gc-sections -q -e main"
+test_gc "Check --gc-section/-r/-e" "gcrel" $ld "-r --gc-sections -e main"
+test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
+
+run_dump_test "noent"