ld/testsuite/ld-elf/indirect.exp

   1 # Expect script for various indirect symbol tests.
   2 #   Copyright (C) 2012-2017 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
  17 #
  18
  19 #
  20 # Written by H.J. Lu (hongjiu.lu@intel.com)
  21 #
  22
  23 # Exclude non-ELF targets.
  24
  25 if ![is_elf_format] {
  26     return
  27 }
  28
  29 # Skip target where -shared is not supported
  30
  31 if ![check_shared_lib_support] {
  32     return
  33 }
  34
  35 # Check if compiler works
  36 if { [which $CC] == 0 } {
  37     return
  38 }
  39
  40 # Some bare-metal targets don't support shared libs or PIC.
  41 if { ![run_host_cmd_yesno $CC "-shared -fPIC $srcdir/$subdir/dummy.c -o tmpdir/t.so"] } {
  42     return
  43 }
  44
  45 proc check_link_message { cmd string testname } {
  46     send_log "$cmd\n"
  47     verbose "$cmd"
  48     catch "exec $cmd" exec_output
  49     send_log "$exec_output\n"
  50     verbose "$exec_output"
  51
  52     foreach str $string {
  53         if [string match "*$str*" $exec_output] {
  54             pass "$testname: $str"
  55         } else {
  56             fail "$testname: $str"
  57         }
  58     }
  59 }
  60
  61 if { ![ld_compile $CC $srcdir/$subdir/indirect1a.c tmpdir/indirect1a.o]
  62      || ![ld_compile $CC $srcdir/$subdir/indirect1b.c tmpdir/indirect1b.o]
  63      || ![ld_compile "$CC -fPIC" $srcdir/$subdir/indirect2.c tmpdir/indirect2.o]
  64      || ![ld_compile $CC $srcdir/$subdir/indirect3a.c tmpdir/indirect3a.o]
  65      || ![ld_compile $CC $srcdir/$subdir/indirect3b.c tmpdir/indirect3b.o]
  66      || ![ld_compile $CC $srcdir/$subdir/indirect4a.c tmpdir/indirect4a.o]
  67      || ![ld_compile $CC $srcdir/$subdir/indirect4b.c tmpdir/indirect4b.o]
  68      || ![ld_compile "$CC -O2 -fPIC -I../bfd" $srcdir/$subdir/pr18720a.c tmpdir/pr18720a.o]
  69      || ![ld_compile $CC $srcdir/$subdir/pr18720b.c tmpdir/pr18720b.o]
  70      || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553d.c tmpdir/pr19553d.o]
  71      || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553c.c tmpdir/pr19553c.o]
  72      || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553b.c tmpdir/pr19553b.o]
  73      || ![ld_compile $CC $srcdir/$subdir/pr19553a.c tmpdir/pr19553a.o] } {
  74     unresolved "Indirect symbol tests"
  75     return
  76 }
  77
  78 set build_tests {
  79   {"Build libindirect1c.so"
  80    "-shared" "-fPIC"
  81    {indirect1c.c} {} "libindirect1c.so"}
  82   {"Build libindirect3c.so"
  83    "-shared" "-fPIC"
  84    {indirect3c.c} {} "libindirect3c.so"}
  85   {"Build libindirect4c.so"
  86    "-shared" "-fPIC"
  87    {indirect4c.c} {} "libindirect4c.so"}
  88   {"Build libindirect5.so"
  89    "-shared -Wl,--version-script=indirect5.map" "-fPIC"
  90    {indirect5b.c} {} "libindirect5.so"}
  91   {"Build libpr18720c.so"
  92    "-shared" "-fPIC"
  93    {pr18720c.c} {} "libpr18720c.so"}
  94   {"Build pr18720b1.o"
  95    "-r -nostdlib tmpdir/pr18720b.o" ""
  96    {dummy.c} {} "pr18720b1.o"}
  97   {"Build pr18720a"
  98    "tmpdir/pr18720a.o tmpdir/pr18720b.o tmpdir/libpr18720c.so" ""
  99    {check-ptr-eq.c} {{readelf {--dyn-syms} pr18720.rd}} "pr18720a"}
 100   {"Build libpr19553b.so"
 101    "-shared -Wl,--version-script=pr19553.map" "-fPIC"
 102    {pr19553b.c} {} "libpr19553b.so"}
 103   {"Build libpr19553c.so"
 104    "-shared -Wl,--version-script=pr19553.map" "-fPIC"
 105    {pr19553c.c} {} "libpr19553c.so"}
 106   {"Build libpr19553d.so"
 107    "-shared tmpdir/libpr19553c.so" "-fPIC"
 108    {pr19553d.c} {} "libpr19553d.so"}
 109 }
 110
 111 run_cc_link_tests $build_tests
 112
 113 global ld
 114
 115 set string ": final link failed: Bad value"
 116 set string1 ": local symbol \`foo\' in tmpdir/indirect1b.o is referenced by DSO"
 117
 118 set testname "Indirect symbol 1a"
 119 set cmd "$ld -e start -o tmpdir/indirect1 tmpdir/indirect1a.o tmpdir/indirect1b.o tmpdir/libindirect1c.so"
 120 check_link_message "$cmd" [list $string1 $string] "$testname"
 121
 122 set testname "Indirect symbol 1b"
 123 set cmd "$ld -e start -o tmpdir/indirect1 tmpdir/indirect1a.o tmpdir/libindirect1c.so tmpdir/indirect1b.o"
 124 check_link_message "$cmd" [list $string1 $string] "$testname"
 125
 126 set string ": final link failed: Nonrepresentable section on output"
 127 set string2 ": No symbol version section for versioned symbol \`foo@FOO\'"
 128 set testname "Indirect symbol 2"
 129 set cmd "$ld -shared  -o tmpdir/indirect2.so tmpdir/indirect2.o"
 130 check_link_message "$cmd" [list $string2 $string] "$testname"
 131
 132 global NOPIE_CFLAGS NOPIE_LDFLAGS
 133
 134 set run_tests {
 135     {"Run with libindirect3c.so 1"
 136      "-Wl,--no-as-needed tmpdir/indirect3a.o tmpdir/indirect3b.o tmpdir/libindirect3c.so" ""
 137      {dummy.c} "indirect3a" "indirect3.out"}
 138     {"Run with libindirect3c.so 2"
 139      "-Wl,--no-as-needed tmpdir/indirect3a.o tmpdir/libindirect3c.so tmpdir/indirect3b.o" ""
 140      {dummy.c} "indirect3b" "indirect3.out"}
 141     {"Run with libindirect3c.so 3"
 142      "-Wl,--no-as-needed tmpdir/indirect3b.o tmpdir/libindirect3c.so tmpdir/indirect3a.o" ""
 143      {dummy.c} "indirect3c" "indirect3.out"}
 144     {"Run with libindirect3c.so 4"
 145      "-Wl,--no-as-needed tmpdir/libindirect3c.so tmpdir/indirect3b.o tmpdir/indirect3a.o" ""
 146      {dummy.c} "indirect3d" "indirect3.out"}
 147     {"Run with libindirect4c.so 1"
 148      "-Wl,--no-as-needed tmpdir/indirect4a.o tmpdir/indirect4b.o tmpdir/libindirect4c.so" ""
 149      {dummy.c} "indirect4a" "indirect4.out"}
 150     {"Run with libindirect4c.so 2"
 151      "-Wl,--no-as-needed tmpdir/indirect4a.o tmpdir/libindirect4c.so tmpdir/indirect4b.o" ""
 152      {dummy.c} "indirect4b" "indirect4.out"}
 153     {"Run with libindirect4c.so 3"
 154      "-Wl,--no-as-needed tmpdir/indirect4b.o tmpdir/libindirect4c.so tmpdir/indirect4a.o" ""
 155      {dummy.c} "indirect4c" "indirect4.out"}
 156     {"Run with libindirect4c.so 4"
 157      "-Wl,--no-as-needed tmpdir/libindirect4c.so tmpdir/indirect4b.o tmpdir/indirect4a.o" ""
 158      {dummy.c} "indirect4d" "indirect4.out"}
 159     {"Run indirect5 1"
 160      "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libindirect5.so" ""
 161      {indirect5a.c} "indirect5a" "indirect5.out" "$NOPIE_CFLAGS"}
 162     {"Run indirect5 2"
 163      "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/indirect5a.o tmpdir/libindirect5.so" ""
 164      {dummy.c} "indirect5b" "indirect5.out" "$NOPIE_CFLAGS"}
 165     {"Run indirect6 1"
 166      "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/libindirect5.so" ""
 167      {indirect6a.c} "indirect6a" "indirect5.out" "$NOPIE_CFLAGS"}
 168     {"Run indirect6 2"
 169      "$NOPIE_LDFLAGS -Wl,--no-as-needed tmpdir/indirect6a.o tmpdir/libindirect5.so" ""
 170      {dummy.c} "indirect6b" "indirect5.out" "$NOPIE_CFLAGS"}
 171     {"Run with libpr18720c.so 1"
 172      "-Wl,--no-as-needed tmpdir/pr18720a.o tmpdir/pr18720b.o tmpdir/libpr18720c.so" ""
 173      {check-ptr-eq.c} "pr18720a" "pr18720.out"}
 174     {"Run with libpr18720c.so 2"
 175      "-Wl,--no-as-needed tmpdir/pr18720a.o tmpdir/libpr18720c.so tmpdir/pr18720b.o" ""
 176      {check-ptr-eq.c} "pr18720b" "pr18720.out"}
 177     {"Run with libpr18720c.so 3"
 178      "-Wl,--no-as-needed tmpdir/pr18720b.o tmpdir/libpr18720c.so tmpdir/pr18720a.o" ""
 179      {check-ptr-eq.c} "pr18720c" "pr18720.out"}
 180     {"Run with libpr18720c.so 4"
 181      "-Wl,--no-as-needed tmpdir/libpr18720c.so tmpdir/pr18720b.o tmpdir/pr18720a.o" ""
 182      {check-ptr-eq.c} "pr18720d" "pr18720.out"}
 183     {"Run with libpr18720c.so 5"
 184      "-Wl,--no-as-needed tmpdir/libpr18720c.so tmpdir/pr18720b1.o tmpdir/pr18720a.o" ""
 185      {check-ptr-eq.c} "pr18720d" "pr18720.out"}
 186     {"Run with libpr19553b.so"
 187      "-Wl,--no-as-needed tmpdir/libpr19553b.so tmpdir/libpr19553d.so -Wl,-rpath-link,." ""
 188      {pr19553a.c} "pr19553b" "pr19553b.out"}
 189     {"Run with libpr19553c.so"
 190      "-Wl,--no-as-needed tmpdir/libpr19553c.so tmpdir/libpr19553b.so tmpdir/libpr19553d.so" ""
 191      {pr19553a.c} "pr19553c" "pr19553c.out"}
 192     {"Run with libpr19553d.so"
 193      "-Wl,--no-as-needed tmpdir/libpr19553d.so tmpdir/libpr19553b.so -Wl,-rpath-link,." ""
 194      {pr19553a.c} "pr19553d" "pr19553d.out"}
 195 }
 196
 197 run_ld_link_exec_tests $run_tests
 198
 199 # Check that "bar" is not dynamic in the executable
 200 proc check_dynamic_syms { test } {
 201     global nm
 202     set cmd "$nm -D $test > dump.out"
 203     send_log "$cmd\n"
 204     catch "exec $cmd" comp_output
 205     if ![string match "" $comp_output] then {
 206         send_log "$comp_output\n"
 207         return 0
 208     }
 209     if { [string match "* bar\n*" [file_contents "dump.out"]] } then {
 210         verbose "output is [file_contents "dump.out"]"
 211         return 0
 212     }
 213     return 1
 214 }
 215
 216 foreach t [list indirect5a indirect5b indirect6a indirect6b] {
 217     set testname [concat $t "dynsym"]
 218     if { [check_dynamic_syms tmpdir/$t] } {
 219         pass $testname
 220     } else {
 221         fail $testname
 222     }
 223 }
 224
 225 send_log "$CC -fPIE -pie $srcdir/$subdir/main.c -o tmpdir/pie"
 226 catch "exec $CC -fPIE -pie $srcdir/$subdir/main.c -o tmpdir/pie" exec_output
 227 send_log "$exec_output"
 228 if { ! [string match "" $exec_output] } {
 229     return
 230 }
 231
 232 set pie_tests {
 233     {"Run indirect5 3"
 234      "-pie -Wl,--no-as-needed tmpdir/libindirect5.so" ""
 235      {indirect5a.c} "indirect5c" "indirect5.out" "-fPIE"}
 236     {"Run indirect5 4"
 237      "-pie -Wl,--no-as-needed tmpdir/indirect5a.o tmpdir/libindirect5.so" ""
 238      {dummy.c} "indirect5d" "indirect5.out" "-fPIE"}
 239     {"Run indirect6 3"
 240      "-pie -Wl,--no-as-needed tmpdir/libindirect5.so" ""
 241      {indirect6a.c} "indirect6c" "indirect5.out" "-fPIE"}
 242     {"Run indirect6 4"
 243      "-pie -Wl,--no-as-needed tmpdir/indirect6a.o tmpdir/libindirect5.so" "-fPIE"
 244      {dummy.c} "indirect6d" "indirect5.out" "-fPIE"}
 245 }
 246
 247 run_ld_link_exec_tests $pie_tests
 248
 249 foreach t [list indirect5c indirect5d indirect6c indirect6d] {
 250     set testname [concat $t "dynsym"]
 251     if { [check_dynamic_syms tmpdir/$t] } {
 252         pass $testname
 253     } else {
 254         fail $testname
 255     }
 256 }