269 lines
7.8 KiB
Text
269 lines
7.8 KiB
Text
# Expect script for common symbol tests
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# Copyright 2003, 2005, 2006, 2007, 2008, 2009
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# Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Written by H.J. Lu (hjl@gnu.org)
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#
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# Make sure that ld correctly handles common symbols in ELF.
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# This test can only be run on ELF platforms.
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if ![is_elf_format] {
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return
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}
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# hpux assembly is weird
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if [istarget "hppa*-*-hpux*"] {
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return
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}
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proc test_sort_common {} {
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global exec_output
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global objdump
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global srcdir
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global subdir
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global as
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global ld
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set test "--sort-common (descending)"
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verbose "Check to see that --sort-common sorts in descending alignment"
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# We do not run the sort common tests for the DLX target because we know that the linker
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# will seg-fault. The built-in DLX linker script requires that there be something in the
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# .text section and our sort-common.s file does not provide anything.
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if [istarget dlx-*-*] {
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untested "$test"
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return 0
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}
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if { ![ld_assemble $as $srcdir/$subdir/sort-common.s tmpdir/sort-common.o] } {
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unresolved "$test"
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return 0
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}
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if { ![ld_simple_link $ld tmpdir/sort-common.dx "--sort-common=descending tmpdir/sort-common.o"] } {
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fail "$test"
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return 0
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}
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send_log "$objdump --syms tmpdir/sort-common.dx | grep var | sort\n"
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set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.dx | grep var | sort"]
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# Don't know why, but the CR ports fail this test.
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setup_xfail "cr16-*-*" "crx-*-*"
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# Note: The second regexp is for targets which put small commons in a .sbss
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# section and large commons in a .bss section.
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if { ![regexp ".*var_16.*var_8.*var_4.*var_2.*var_1.*" $exec_output]
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&& ![regexp ".*sbss.*var_8.*var_4.*var_2.*var_1.*bss.*var_16.*" $exec_output] } {
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fail $test
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} else {
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pass $test
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}
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set test "--sort-common (ascending)"
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verbose "Check to see that --sort-common=ascending sorts in ascending alignment"
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if { ![ld_simple_link $ld tmpdir/sort-common.ax "--sort-common=ascending tmpdir/sort-common.o"] } {
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fail "$test"
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return 0
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}
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send_log "$objdump --syms tmpdir/sort-common.ax | grep var | sort\n"
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set exec_output [run_host_cmd "$objdump" "--syms tmpdir/sort-common.ax | grep var | sort"]
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if {![regexp ".*var_1.*var_2.*var_4.*var_8.*var_16.*" $exec_output]} {
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fail $test
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return 0
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}
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pass $test
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return 1
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}
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test_sort_common
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set test1 "size/aligment change of common symbols"
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set test1w1 "$test1 (warning 1)"
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set test1w2 "$test1 (warning 2)"
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set test1c1 "$test1 (change 1)"
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set test1c2 "$test1 (change 2)"
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if { ![is_remote host] && [which $CC] == 0 } {
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untested $test1w1
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untested $test1w2
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untested $test1c1
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untested $test1c2
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return
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}
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if { [istarget score-*-*] } {
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untested $test1w1
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untested $test1w2
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untested $test1c1
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untested $test1c2
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return
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}
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proc dump_common1 { testname } {
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global exec_output
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global READELF
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send_log "$READELF --syms tmpdir/common1.o | grep foo\n"
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set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1.o | grep foo"]
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if { ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0\]*)80(\[ \]+)4(\[ \]+)(COMMON|OBJECT)(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ \]+)_?foo2" $exec_output]
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|| ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0-9\]+)(\[ \]+)21(\[ \]+)OBJECT(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(\[0-9\]+)(\[ \]+)_?foo1" $exec_output] } {
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verbose $exec_output
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fail $testname
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return 0
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}
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return 1
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}
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proc stt_common_test { options testname } {
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global exec_output
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global READELF
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global ld
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set options "$options tmpdir/common1a.o"
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if { ! [ld_simple_link $ld tmpdir/common.exe $options] } {
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unresolved $testname
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return 0
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}
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send_log "$READELF --syms tmpdir/common.exe | grep foo\n"
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set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common.exe | grep foo"]
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if {![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0-9\]+)(\[ \]+)(\[0-9\]+)(\[ \]+)COMMON(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(\[0-9\]+)(\[ \]+)_?foo2" $exec_output] } {
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fail $testname
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return 0
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}
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pass $testname
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return 1
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}
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# Check to see if the assembler is generating symbols with the STT_COMMON type.
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proc assembler_generates_commons {} {
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global exec_output
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global READELF
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verbose "Check to see if STT_COMMON symbols are being generated:"
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set exec_output [run_host_cmd "$READELF" "--syms tmpdir/common1a.o | grep foo"]
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if { ![regexp "(\[ \]*)(\[0-9\]+):(\[ \]*)(\[0\]*)80(\[ \]+).(\[ \]+)COMMON(\[ \]+)GLOBAL(\[ \]+)DEFAULT(\[ \]+)(PRC\\\[0xff03\\\]|COM|SCOM)(\[ \]+)_?foo2" $exec_output] } {
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verbose "STT_COMMON not generated"
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return 0
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}
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verbose "STT_COMMON's are generated"
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return 1
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}
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# Explicitly use "-fcommon" so that even if $CFLAGS includes
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# "-fno-common", these tests are compiled as expected.
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if { ![ld_compile "$CC $CFLAGS -fcommon" $srcdir/$subdir/common1a.c tmpdir/common1a.o]
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|| ![ld_compile "$CC $CFLAGS -fcommon" $srcdir/$subdir/common1b.c tmpdir/common1b.o] } {
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unresolved $test1
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return
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}
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global ld
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global link_output
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set options "-r tmpdir/common1a.o tmpdir/common1b.o"
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# SH64 targets needs an extra ld option for this test.
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if [istarget sh64*-*-*] {
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if [istarget sh64*l*-*-*] {
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set options "-mshlelf32 $options"
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} else {
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set options "-mshelf32 $options"
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}
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}
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if { [ld_simple_link $ld tmpdir/common1.o $options] } {
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unresolved $test1w1
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return
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}
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# This test fails on MIPS because the backend sets type_change_ok.
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# The size change warning is suppressed. Same on hppa64.
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if {[istarget mips*-*-*] || [istarget hppa*64*-*-*]} {
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if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
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fail $test1w1
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} else {
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pass $test1w1
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}
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} else {
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if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output]
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|| ![regexp "Warning: size of symbol \`_?foo1\' changed from 2 in tmpdir/common1a.o to 21 in tmpdir/common1b.o" $link_output] } {
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fail $test1w1
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} else {
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pass $test1w1
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}
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}
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if { [dump_common1 $test1c1] } {
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pass $test1c1
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}
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set options "-r tmpdir/common1b.o tmpdir/common1a.o"
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# SH64 targets needs an extra ld option for this test.
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if [istarget sh64*-*-*] {
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if [istarget sh64*l*-*-*] {
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set options "-mshlelf32 $options"
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} else {
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set options "-mshelf32 $options"
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}
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}
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if { [ld_simple_link $ld tmpdir/common1.o $options] } {
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unresolved $test1w2
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return
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}
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if { ![regexp "Warning: alignment (\[0-9\]+) of symbol \`_?foo1\' in tmpdir/common1b.o is smaller than 64 in tmpdir/common1a.o" $link_output] } {
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fail $test1w2
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} else {
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pass $test1w2
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}
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if { [dump_common1 $test1c2] } {
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pass $test1c2
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}
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#
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# The following tests are for when we are generating STT_COMMON symbols only.
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#
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if { ![assembler_generates_commons] } {
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return
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}
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stt_common_test "-static -e 0" "static link of common symbols"
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stt_common_test "-shared" "shared link of common symbols"
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stt_common_test "-pie" "position independent link of common symbols"
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