Home | History | Annotate | Download | only in ld-elf
      1 # Expect script for various ELF tests.
      2 #   Copyright (C) 2002-2016 Free Software Foundation, Inc.
      3 #
      4 # This file is part of the GNU Binutils.
      5 #
      6 # This program is free software; you can redistribute it and/or modify
      7 # it under the terms of the GNU General Public License as published by
      8 # the Free Software Foundation; either version 3 of the License, or
      9 # (at your option) any later version.
     10 #
     11 # This program is distributed in the hope that it will be useful,
     12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 # GNU General Public License for more details.
     15 #
     16 # You should have received a copy of the GNU General Public License
     17 # along with this program; if not, write to the Free Software
     18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19 # MA 02110-1301, USA.
     20 #
     21 
     22 # Exclude non-ELF targets.
     23 
     24 if ![is_elf_format] {
     25     return
     26 }
     27 
     28 set old_ldflags $LDFLAGS
     29 if { [istarget spu*-*-*] } {
     30     set LDFLAGS "$LDFLAGS --local-store 0:0"
     31 }
     32 if { [istarget alpha*-*-* ] } {
     33     # The compress1 test is written expecting 32-bit addresses; force the
     34     # executable down into the low address space to match.
     35     # ??? How can we adjust just the one testcase?
     36     set LDFLAGS "$LDFLAGS -Ttext-segment 0x1000000"
     37 }
     38 
     39 if { [istarget "*-*-nacl*"] } {
     40     # The eh[1-4] cases are written to expect ELFCLASS64 layout on x86-64.
     41     # But the target default is ELFCLASS32.  So the cases explicitly use
     42     # -melf_x86_64 to select that, but NaCl needs a different emulation name.
     43     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_nacl}
     44 }
     45 
     46 if { [istarget "*-*-solaris*"] } {
     47     # Same for Solaris
     48     set options_regsub(ld) {-melf_x86_64 -melf_x86_64_sol2}
     49 }
     50 
     51 if { [is_remote host] } then {
     52     remote_download host merge.ld
     53 }
     54 
     55 if { ![istarget hppa64*-hpux*] } {
     56     run_ld_link_tests {
     57 	{"Build symbol3.a"
     58 	    "" "" ""
     59 	    {symbol3.s} {} "symbol3.a"}
     60 	{"Build symbol3w.a"
     61 	    "" "" ""
     62 	    {symbol3w.s} {} "symbol3w.a"}
     63     }
     64 
     65     if { [check_shared_lib_support] } then {
     66 	run_ld_link_tests {
     67 	    {"Build pr14170a.o" "" "" "" "pr14170a.s" {} "pr14170.a" }
     68 	}
     69 	setup_xfail "tic6x-*-*"
     70 	run_ld_link_tests {
     71 	    {"Build shared library for pr14170"
     72 		"-shared" "" "" "pr14170b.s" {} "pr14170.so" }
     73 	}
     74 	# bfin does not currently support copy relocs.
     75 	setup_xfail "bfin-*-*"
     76 	run_ld_link_tests {
     77 	    {"PR ld/14170"
     78 		"tmpdir/pr14170a.o tmpdir/pr14170.so" "" "" "pr14170c.s"
     79 		{ } "pr14170" }
     80 	}
     81     }
     82 }
     83 
     84 # Only run these tests on targets that support creating shared libraries.
     85 if { [check_shared_lib_support] } then {
     86     # Run a test to check linking a shared library with a broken linker
     87     # script that accidentally marks dynamic sections as notes.  The
     88     # resulting executable is not expected to work, but the linker
     89     # should not seg-fault whilst creating the binary.
     90     setup_xfail "tic6x-*-*"
     91     run_ld_link_tests {
     92 	{"Build shared library for next test"
     93 	    "-shared" "" "" "note-3.s" {} "note-3.so" }
     94 	{"Link using broken linker script"
     95 	    "--script note-3.t tmpdir/note-3.so" "" "" ""
     96 	    { { ld "note-3.l" } }
     97 	    "a.out" }
     98     }
     99     setup_xfail "tic6x-*-*"
    100     run_ld_link_tests {
    101 	{"Build pr17068.so"
    102 	    "-shared" "" ""
    103 	    {pr17068d.s} {} "pr17068.so"}
    104 	{"Build pr17068a.a"
    105 	    "" "" ""
    106 	    {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"}
    107 	{"Build pr17068b.a"
    108 	    "" "" ""
    109 	    {pr17068b.s pr17068e.s} {} "pr17068b.a"}
    110     }
    111     # bfin does not currently support copy relocs.
    112     setup_xfail "bfin-*-*"
    113     run_ld_link_tests {
    114 	{"pr17068 link --as-needed lib in group"
    115 	    "--as-needed" "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a --end-group" ""
    116 	    {start.s pr17068.s} {} "pr17068"}
    117     }
    118     # xfail on tic6x due to non-PIC/non-PID warnings
    119     setup_xfail "tic6x-*-*"
    120     # Fails on MIPS because ABI trickery means that a NULL reloc is also emitted.
    121     setup_xfail "mips*-*-*"
    122     # Fails on bfin because relocations are not created.
    123     setup_xfail "bfin-*-*"
    124     run_ld_link_tests {
    125 	{"-Bsymbolic-functions"
    126 	    "-shared -Bsymbolic-functions" "" ""
    127 	    {symbolic-func.s} {{readelf {-r --wide} symbolic-func.r}}
    128 	    "symbolic-func.so"}
    129     }
    130 }
    131 
    132 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
    133 foreach t $test_list {
    134     # We need to strip the ".d", but can leave the dirname.
    135     verbose [file rootname $t]
    136     run_dump_test [file rootname $t]
    137 }
    138 
    139 if { [istarget *-*-linux*]
    140      || [istarget *-*-nacl*]
    141      || [istarget *-*-gnu*] } {
    142     run_ld_link_tests {
    143 	{"Weak symbols in dynamic objects 1 (support)"
    144 	    "-shared" "" "" {weak-dyn-1a.s}
    145 	    {}
    146 	    "libweakdyn1a.so"}
    147 	{"Weak symbols in dynamic objects 1 (main test)"
    148 	    "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
    149 	    {{readelf {--relocs --wide} weak-dyn-1.rd}}
    150 	    "libweakdyn1b.so"}
    151     }
    152 }
    153 
    154 #v850 gas complains about .tbss.var section attributes.
    155 if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
    156     run_ld_link_tests {
    157 	{"--gc-sections on tls variable"
    158 	    "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
    159     }
    160 }
    161 
    162 if { [istarget *-*-*linux*]
    163      || [istarget *-*-nacl*]
    164      || [istarget *-*-gnu*] } {
    165     run_ld_link_tests {
    166 	{"stack exec" "-z execstack" "" "" {stack.s}
    167 	    {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
    168 	{"stack size" "-z stack-size=0x123400" "" "" {stack.s}
    169 	    {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
    170     }
    171 }
    172 
    173 set LDFLAGS $old_ldflags
    174 
    175 # The following tests require running the executable generated by ld.
    176 if ![isnative] {
    177     return
    178 }
    179 
    180 if [check_gc_sections_available] {
    181     run_cc_link_tests {
    182 	{"PR ld/13195" "-Wl,--gc-sections" ""
    183 	 {pr13195.c} {} "pr13195"}
    184     }
    185 }
    186 
    187 set array_tests {
    188     {"preinit array" "" "" {preinit.c} "preinit" "preinit.out"}
    189     {"init array" "" "" {init.c} "init" "init.out"}
    190     {"fini array" "" "" {fini.c} "fini" "fini.out"}
    191     {"init array mixed" "" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
    192 }
    193 set array_tests_pie {
    194     {"PIE preinit array" "-pie" "" {preinit.c} "preinit" "preinit.out" "-fPIE" }
    195     {"PIE init array" "-pie" "" {init.c} "init" "init.out" "-fPIE"}
    196     {"PIE fini array" "-pie" "" {fini.c} "fini" "fini.out" "-fPIE"}
    197     {"PIE init array mixed" "-pie" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
    198     {"PIE PR ld/14525" "-pie" "" {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
    199 }
    200 set array_tests_static {
    201     {"static preinit array" "-static" "" {preinit.c} "preinit" "preinit.out"}
    202     {"static init array" "-static" "" {init.c} "init" "init.out"}
    203     {"static fini array" "-static" "" {fini.c} "fini" "fini.out"}
    204     {"static init array mixed" "-static" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
    205 }
    206 
    207 # NetBSD ELF systems do not currently support the .*_array sections.
    208 set xfails [list "*-*-netbsdelf*"]
    209 run_ld_link_exec_tests $xfails $array_tests
    210 
    211 if { [istarget *-*-linux*]
    212      || [istarget *-*-nacl*]
    213      || [istarget *-*-gnu*] } {
    214     run_ld_link_exec_tests $xfails $array_tests_pie
    215 }
    216 
    217 # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
    218 switch -regexp $target_triplet {
    219     ^\[^-\]*-\[^-\]*-gnu.*$ {
    220 	# <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
    221 	lappend xfails "*-*-*"
    222     }
    223 }
    224 run_ld_link_exec_tests $xfails $array_tests_static
    225 
    226 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status
    227