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      1 # Expect script for various ELF tests.
      2 #   Copyright (C) 2002-2014 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 	    {"PR ld/14170"
     74 		"tmpdir/pr14170a.o tmpdir/pr14170.so" "" "" "pr14170c.s"
     75 		{ } "pr14170" }
     76 	}
     77     }
     78 }
     79 
     80 # Only run these tests on targets thats support creating shared libraries.
     81 if { [check_shared_lib_support] } then {
     82     # Run a test to check linking a shared library with a broken linker
     83     # script that accidentally marks dynamic sections as notes.  The
     84     # resulting executable is not expected to work, but the linker
     85     # should not seg-fault whilst creating the binary.
     86     setup_xfail "tic6x-*-*"
     87     run_ld_link_tests {
     88 	{"Build shared library for next test"
     89 	    "-shared" "" "" "note-3.s" {} "note-3.so" }
     90 	{"Link using broken linker script"
     91 	    "--script note-3.t tmpdir/note-3.so" "" "" ""
     92 	    { { ld "note-3.l" } }
     93 	    "a.out" }
     94     }
     95     setup_xfail "tic6x-*-*"
     96     run_ld_link_tests {
     97 	{"Build pr17068.so"
     98 	    "-shared" "" ""
     99 	    {pr17068d.s} {} "pr17068.so"}
    100 	{"Build pr17068a.a"
    101 	    "" "" ""
    102 	    {pr17068a.s pr17068c.s pr17068ez.s} {} "pr17068a.a"}
    103 	{"Build pr17068b.a"
    104 	    "" "" ""
    105 	    {pr17068b.s pr17068e.s} {} "pr17068b.a"}
    106 	{"pr17068 link --as-needed lib in group"
    107 	    "--as-needed" "--start-group tmpdir/pr17068a.a tmpdir/pr17068.so tmpdir/pr17068b.a --end-group" ""
    108 	    {start.s pr17068.s} {} "pr17068"}
    109     }
    110 }
    111 
    112 set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
    113 foreach t $test_list {
    114     # We need to strip the ".d", but can leave the dirname.
    115     verbose [file rootname $t]
    116     run_dump_test [file rootname $t]
    117 }
    118 
    119 if { [istarget *-*-linux*]
    120      || [istarget *-*-nacl*]
    121      || [istarget *-*-gnu*] } {
    122     run_ld_link_tests {
    123 	{"Weak symbols in dynamic objects 1 (support)"
    124 	    "-shared" "" "" {weak-dyn-1a.s}
    125 	    {}
    126 	    "libweakdyn1a.so"}
    127 	{"Weak symbols in dynamic objects 1 (main test)"
    128 	    "-shared tmpdir/libweakdyn1a.so -Tweak-dyn-1.ld" "" "" {weak-dyn-1b.s}
    129 	    {{readelf {--relocs --wide} weak-dyn-1.rd}}
    130 	    "libweakdyn1b.so"}
    131     }
    132 }
    133 
    134 #v850 gas complains about .tbss.var section attributes.
    135 if { [check_gc_sections_available] && ![istarget "v850-*-*"] } {
    136     run_ld_link_tests {
    137 	{"--gc-sections on tls variable"
    138 	    "--gc-section" "" "" {tls_gc.s} {} "tls_gc"}
    139     }
    140 }
    141 
    142 if { [istarget *-*-*linux*]
    143      || [istarget *-*-nacl*]
    144      || [istarget *-*-gnu*] } {
    145     run_ld_link_tests {
    146 	{"stack exec" "-z execstack" "" "" {stack.s}
    147 	    {{readelf {-Wl} stack-exec.rd}} "stack-exec.exe"}
    148 	{"stack size" "-z stack-size=0x123400" "" "" {stack.s}
    149 	    {{readelf {-Wl} stack-size.rd}} "stack-size.exe"}
    150     }
    151 }
    152 
    153 set LDFLAGS $old_ldflags
    154 
    155 # The following tests require running the executable generated by ld.
    156 if ![isnative] {
    157     return
    158 }
    159 
    160 if [check_gc_sections_available] {
    161     run_cc_link_tests {
    162 	{"PR ld/13195" "-Wl,--gc-sections" ""
    163 	 {pr13195.c} {} "pr13195"}
    164     }
    165 }
    166 
    167 set array_tests {
    168     {"preinit array" "" "" {preinit.c} "preinit" "preinit.out"}
    169     {"init array" "" "" {init.c} "init" "init.out"}
    170     {"fini array" "" "" {fini.c} "fini" "fini.out"}
    171     {"init array mixed" "" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
    172 }
    173 set array_tests_pie {
    174     {"PIE preinit array" "-pie" "" {preinit.c} "preinit" "preinit.out" "-fPIE" }
    175     {"PIE init array" "-pie" "" {init.c} "init" "init.out" "-fPIE"}
    176     {"PIE fini array" "-pie" "" {fini.c} "fini" "fini.out" "-fPIE"}
    177     {"PIE init array mixed" "-pie" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I. -fPIE"}
    178     {"PIE PR ld/14525" "-pie" "" {pr14525.c} "pr14525" "pr14525.out" "-fPIE"}
    179 }
    180 set array_tests_static {
    181     {"static preinit array" "-static" "" {preinit.c} "preinit" "preinit.out"}
    182     {"static init array" "-static" "" {init.c} "init" "init.out"}
    183     {"static fini array" "-static" "" {fini.c} "fini" "fini.out"}
    184     {"static init array mixed" "-static" "" {init-mixed.c} "init-mixed" "init-mixed.out" "-I."}
    185 }
    186 
    187 # NetBSD ELF systems do not currently support the .*_array sections.
    188 set xfails [list "*-*-netbsdelf*"]
    189 run_ld_link_exec_tests $xfails $array_tests
    190 
    191 if { [istarget *-*-linux*]
    192      || [istarget *-*-nacl*]
    193      || [istarget *-*-gnu*] } {
    194     run_ld_link_exec_tests $xfails $array_tests_pie
    195 }
    196 
    197 # Be cautious to not XFAIL for *-*-linux-gnu*, *-*-kfreebsd-gnu*, etc.
    198 switch -regexp $target_triplet {
    199     ^\[^-\]*-\[^-\]*-gnu.*$ {
    200 	# <http://www.gnu.org/software/hurd/open_issues/binutils.html#static>
    201 	lappend xfails "*-*-*"
    202     }
    203 }
    204 run_ld_link_exec_tests $xfails $array_tests_static
    205 
    206 catch "exec rm -f tmpdir/preinit tmpdir/init tmpdir/fini tmpdir/init-mixed" status
    207