1# Expect script for ld-weak tests 2# Copyright (C) 2001-2017 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# Written by H.J. Lu (hjl@gnu.org) 22# Eric Youngdale (eric@andante.jic.com) 23# 24 25# This test can only be run if ld generates native executables. 26if ![isnative] then {return} 27 28# This test can only be run on a couple of ELF platforms. 29# Square bracket expressions seem to confuse istarget. 30# This is similar to the test that is used in ld-shared, BTW. 31if { ![istarget alpha*-*-linux*] 32 && ![istarget arm*-*-linux*] 33 && ![istarget hppa*64*-*-hpux*] 34 && ![istarget hppa*-*-linux*] 35 && ![istarget i?86-*-sysv4*] 36 && ![istarget i?86-*-unixware] 37 && ![istarget i?86-*-elf*] 38 && ![istarget i?86-*-linux*] 39 && ![istarget i?86-*-gnu*] 40 && ![istarget ia64-*-elf*] 41 && ![istarget ia64-*-linux*] 42 && ![istarget m68k-*-linux*] 43 && ![istarget mips*-*-irix5*] 44 && ![istarget mips*-*-linux*] 45 && ![istarget powerpc*-*-elf*] 46 && ![istarget powerpc*-*-linux*] 47 && ![istarget powerpc*-*-sysv4*] 48 && ![istarget sh\[34\]*-*-linux*] 49 && ![istarget sparc*-*-elf] 50 && ![istarget sparc*-*-solaris2*] 51 && ![istarget sparc*-*-linux*] 52 && ![istarget x86_64-*-linux*] 53 && ![istarget *-*-nacl*] } { 54 return 55} 56 57if { [istarget *-*-linux*aout*] 58 || [istarget *-*-linux*oldld*] } { 59 return 60} 61 62if { [istarget rs6000*-*-aix*] || [istarget powerpc*-*-aix*] } { 63 return 64} 65 66set diff diff 67set tmpdir tmpdir 68set DOBJDUMP_FLAGS --dynamic-syms 69set SOBJDUMP_FLAGS --syms 70set shared "--shared -Wl,--no-as-needed" 71 72 73# 74# objdump_symstuff 75# Dump non-dynamic symbol stuff and make sure that it is sane. 76# 77proc objdump_symstuff { objdump object expectfile } { 78 global SOBJDUMP_FLAGS 79 global version_output 80 global diff 81 global tmpdir 82 83 if ![info exists SOBJDUMP_FLAGS] { set SOBJDUMP_FLAGS "" } 84 85 set cmd "$objdump $SOBJDUMP_FLAGS $object | sed -n {s/^\\(\[0-9a-f\]* *\\)\\(\[gw\]\\)\\( *\\)\\(\[FO\]\\)/\\1\\2\\4\\3/;/foo$/p} > $tmpdir/objdump.out" 86 verbose -log $cmd 87 catch "exec $cmd" exec_output 88 set exec_output [prune_warnings $exec_output] 89 if [string match "" $exec_output] then { 90 91# Now do a line-by-line comparison to effectively diff the darned things 92# The stuff coming from the expectfile is actually a regex, so we can 93# skip over the actual addresses and so forth. This is currently very 94# simpleminded - it expects a one-to-one correspondence in terms of line 95# numbers. 96 97 if [file exists $expectfile] then { 98 set file_a [open $expectfile r] 99 } else { 100 perror "$expectfile doesn't exist" 101 return 0 102 } 103 104 if [file exists $tmpdir/objdump.out] then { 105 set file_b [open $tmpdir/objdump.out r] 106 } else { 107 perror "$tmpdir/objdump.out doesn't exist" 108 return 0 109 } 110 111 verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2 112 113 set eof -1 114 set differences 0 115 116 while { [gets $file_a line] != $eof } { 117 if [regexp "^#.*$" $line] then { 118 continue 119 } else { 120 lappend list_a $line 121 } 122 } 123 close $file_a 124 125 while { [gets $file_b line] != $eof } { 126 if [regexp {\.text.* \.[^ ]*$} $line] then { 127 # Discard defined powerpc64 dot-symbols 128 continue 129 } else { 130 lappend list_b $line 131 } 132 } 133 close $file_b 134 135 for { set i 0 } { $i < [llength $list_a] } { incr i } { 136 set line_a [lindex $list_a $i] 137 set line_b [lindex $list_b $i] 138 139 140 verbose "\t$expectfile: $i: $line_a" 3 141 verbose "\t/tmp/objdump.out: $i: $line_b" 3 142 if [regexp $line_a $line_b] then { 143 continue 144 } else { 145 verbose -log "\t$expectfile: $i: $line_a" 146 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 147 148 return 0 149 } 150 } 151 152 if { [llength $list_a] != [llength $list_b] } { 153 verbose -log "Line count" 154 return 0 155 } 156 157 if $differences<1 then { 158 return 1 159 } 160 161 return 0 162 } else { 163 verbose -log "$exec_output" 164 return 0 165 } 166 167} 168 169# 170# objdump_dymsymstuff 171# Dump dynamic symbol stuff and make sure that it is sane. 172# 173proc objdump_dynsymstuff { objdump object expectfile } { 174 global DOBJDUMP_FLAGS 175 global version_output 176 global diff 177 global tmpdir 178 179 if ![info exists DOBJDUMP_FLAGS] { set DOBJDUMP_FLAGS "" } 180 181 set cmd "$objdump $DOBJDUMP_FLAGS $object | grep foo$ > $tmpdir/objdump.out" 182 verbose -log $cmd 183 catch "exec $cmd" exec_output 184 set exec_output [prune_warnings $exec_output] 185 if [string match "" $exec_output] then { 186 187# Now do a line-by-line comparison to effectively diff the darned things 188# The stuff coming from the expectfile is actually a regex, so we can 189# skip over the actual addresses and so forth. This is currently very 190# simpleminded - it expects a one-to-one correspondence in terms of line 191# numbers. 192 193 if [file exists $expectfile] then { 194 set file_a [open $expectfile r] 195 } else { 196 warning "$expectfile doesn't exist" 197 return 0 198 } 199 200 if [file exists $tmpdir/objdump.out] then { 201 set file_b [open $tmpdir/objdump.out r] 202 } else { 203 fail "$tmpdir/objdump.out doesn't exist" 204 return 0 205 } 206 207 verbose "# Diff'ing: $expectfile $tmpdir/objdump.out" 2 208 209 set eof -1 210 set differences 0 211 212 while { [gets $file_a line] != $eof } { 213 if [regexp "^#.*$" $line] then { 214 continue 215 } else { 216 lappend list_a $line 217 } 218 } 219 close $file_a 220 221 while { [gets $file_b line] != $eof } { 222 if [regexp {\.text.* \.[^ ]*$} $line] then { 223 # Discard defined powerpc64 dot-symbols 224 continue 225 } else { 226 lappend list_b $line 227 } 228 } 229 close $file_b 230 231 for { set i 0 } { $i < [llength $list_b] } { incr i } { 232 set line_b [lindex $list_b $i] 233 234# The tests are rigged so that we should never export a symbol with the 235# word 'hide' in it. Thus we just search for it, and bail if we find it. 236 if [regexp "hide" $line_b] then { 237 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 238 239 return 0 240 } 241 242 verbose "\t$expectfile: $i: $line_b" 3 243 244 # We can't assume that the sort is consistent across 245 # systems, so we must check each regexp. When we find a 246 # regexp, we null it out, so we don't match it twice. 247 for { set j 0 } { $j < [llength $list_a] } { incr j } { 248 set line_a [lindex $list_a $j] 249 250 if [regexp $line_a $line_b] then { 251 lreplace $list_a $j $j "CAN NOT MATCH" 252 break 253 } 254 } 255 256 if { $j >= [llength $list_a] } { 257 verbose -log "\t$tmpdir/objdump.out: $i: $line_b" 258 259 return 0 260 } 261 } 262 263 if { [llength $list_a] != [llength $list_b] } { 264 verbose -log "Line count" 265 return 0 266 } 267 268 if $differences<1 then { 269 return 1 270 } 271 272 return 0 273 } else { 274 verbose -log "$exec_output" 275 return 0 276 } 277 278} 279 280proc build_lib {test libname objs dynsymexp} { 281 global CC 282 global objdump 283 global tmpdir 284 global shared 285 global srcdir 286 global subdir 287 288 set files "" 289 foreach obj $objs { 290 set files "$files $tmpdir/$obj" 291 } 292 293 if {![ld_simple_link $CC $tmpdir/$libname.so "$shared $files"]} { 294 fail $test 295 return 296 } 297 298 if {![string match "" $dynsymexp] 299 && ![objdump_dynsymstuff $objdump $tmpdir/$libname.so $srcdir/$subdir/$dynsymexp]} { 300 fail $test 301 return 302 } 303 pass $test 304} 305 306proc build_exec { test execname objs flags dat dynsymexp symexp} { 307 global CC 308 global objdump 309 global tmpdir 310 global srcdir 311 global subdir 312 global exec_output 313 314 set files "" 315 foreach obj $objs { 316 set files "$files $tmpdir/$obj" 317 } 318 319 if {![ld_simple_link $CC $tmpdir/$execname "$flags $files"]} { 320 fail "$test" 321 return 322 } 323 324 if {![string match "" $dynsymexp]} then { 325 if {![objdump_dynsymstuff $objdump $tmpdir/$execname $srcdir/$subdir/$dynsymexp]} { 326 fail $test 327 return 328 } 329 } 330 331 if {![string match "" $symexp]} then { 332 if {![objdump_symstuff $objdump $tmpdir/$execname $srcdir/$subdir/$symexp]} { 333 fail $test 334 return 335 } 336 } 337 338 # Run the resulting program 339 send_log "$tmpdir/$execname >$tmpdir/$execname.out\n" 340 verbose "$tmpdir/$execname >$tmpdir/$execname.out" 341 catch "exec $tmpdir/$execname >$tmpdir/$execname.out" exec_output 342 if ![string match "" $exec_output] then { 343 send_log "$exec_output\n" 344 verbose "$exec_output" 345 fail $test 346 return 347 } 348 349 send_log "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat\n" 350 verbose "diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" 351 catch "exec diff $tmpdir/$execname.out $srcdir/$subdir/$dat.dat" exec_output 352 set exec_output [prune_warnings $exec_output] 353 354 if {![string match "" $exec_output]} then { 355 send_log "$exec_output\n" 356 verbose "$exec_output" 357 fail $test 358 return 359 } 360 361 pass $test 362} 363 364# Old version of GCC for MIPS default to enabling -fpic 365# and get confused if it is used on the command line. 366if { [istarget mips*-*-*] && ! [at_least_gcc_version 4 3] } then { 367 set picflag "" 368} else { 369 # Unfortunately, the gcc argument is -fpic and the cc argument is 370 # -KPIC. We have to try both. 371 set picflag "-fpic" 372 send_log "$CC $picflag\n" 373 verbose "$CC $picflag" 374 catch "exec $CC $picflag" exec_output 375 send_log "$exec_output\n" 376 verbose "--" "$exec_output" 377 if { [string match "*illegal option*" $exec_output] 378 || [string match "*option ignored*" $exec_output] 379 || [string match "*unrecognized option*" $exec_output] 380 || [string match "*passed to ld*" $exec_output] } { 381 if [istarget *-*-sunos4*] { 382 set picflag "-pic" 383 } else { 384 set picflag "-KPIC" 385 } 386 } 387} 388verbose "Using $picflag to compile PIC code" 389 390if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo.c $tmpdir/foo.o] { 391 unresolved "ELF weak" 392 return 393} 394 395if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar.c $tmpdir/bar.o] { 396 unresolved "ELF weak" 397 return 398} 399 400if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/main.c $tmpdir/main.o] { 401 unresolved "ELF weak" 402 return 403} 404 405if {![ld_simple_link $CC $tmpdir/libbar.so "$shared $tmpdir/bar.o"]} { 406 fail "ELF weak" 407 return 408} 409 410if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1a.c $tmpdir/foo1a.o] { 411 unresolved "ELF weak" 412 return 413} 414 415if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/foo1b.c $tmpdir/foo1b.o] { 416 unresolved "ELF weak" 417 return 418} 419 420if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1a.c $tmpdir/bar1a.o] { 421 unresolved "ELF weak" 422 return 423} 424 425if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1b.c $tmpdir/bar1b.o] { 426 unresolved "ELF weak" 427 return 428} 429 430if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/bar1c.c $tmpdir/bar1c.o] { 431 unresolved "ELF weak" 432 return 433} 434 435if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/main1.c $tmpdir/main1.o] { 436 unresolved "ELF weak" 437 return 438} 439 440if {![ld_simple_link $CC $tmpdir/libfoo1a.so "$shared $tmpdir/foo1a.o"]} { 441 fail "ELF weak" 442 return 443} 444 445if {![ld_simple_link $CC $tmpdir/libfoo1b.so "$shared $tmpdir/foo1b.o"]} { 446 fail "ELF weak" 447 return 448} 449 450if {![ld_simple_link $CC $tmpdir/libbar1a.so "$shared $tmpdir/bar1a.o $tmpdir/libfoo1a.so"]} { 451 fail "ELF weak" 452 return 453} 454 455build_lib "ELF DSO weak func first" libfoo "foo.o bar.o" dso.dsym 456build_lib "ELF DSO weak func last" libfoo "bar.o foo.o" dso.dsym 457build_lib "ELF DSO weak func first DSO" libfoo "foo.o libbar.so" dsow.dsym 458build_lib "ELF DSO weak func last DSO" libfoo "libbar.so foo.o" dsow.dsym 459build_exec "ELF weak func first" foo "main.o bar.o" "" strong "" strong.sym 460build_exec "ELF weak func last" foo "bar.o main.o" "" strong "" strong.sym 461build_exec "ELF weak func first DSO" foo "main.o libbar.so" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym "" 462build_exec "ELF weak func last DSO" foo "libbar.so main.o" "-Wl,-rpath,.,--no-as-needed" weak weak.dsym "" 463 464build_lib "ELF DSO weak data first" libfoo "bar1a.o foo1a.o" dsodata.dsym 465build_lib "ELF DSO weak data last" libfoo "foo1a.o bar1a.o" dsodata.dsym 466build_lib "ELF DSO weak data first DSO" libfoo "main1.o libfoo1a.so" dsowdata.dsym 467build_lib "ELF DSO weak data last DSO" libfoo "libfoo1a.so main1.o" dsowdata.dsym 468build_lib "ELF DSO weak data first DSO common" libfoo "main1.o libfoo1b.so" dsowdata.dsym 469build_lib "ELF DSO weak data last DSO common" libfoo "libfoo1b.so main1.o" dsowdata.dsym 470build_exec "ELF weak data first" foo "main1.o bar1a.o foo1a.o" "" strongdata "" strongdata.sym 471build_exec "ELF weak data last" foo "foo1a.o main1.o bar1a.o" "" strongdata "" strongdata.sym 472build_exec "ELF weak data first common" foo "main1.o bar1a.o foo1b.o" "" strongdata "" strongcomm.sym 473build_exec "ELF weak data last common" foo "foo1b.o main1.o bar1a.o" "" strongdata "" strongcomm.sym 474build_exec "ELF weak data first DSO" foo "main1.o libbar1a.so libfoo1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 475build_exec "ELF weak data last DSO" foo "libfoo1a.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 476build_exec "ELF weak data first DSO common" foo "main1.o libbar1a.so libfoo1b.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 477build_exec "ELF weak data last DSO common" foo "libfoo1b.so main1.o libbar1a.so" "-Wl,-rpath,.,--no-as-needed" weakdata weakdata.dsym "" 478 479if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_foo.c $tmpdir/size_foo.o] { 480 unresolved "ELF weak (size)" 481 return 482} 483 484if ![ld_compile "$CC $CFLAGS $picflag" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] { 485 unresolved "ELF weak (size)" 486 return 487} 488 489build_lib "ELF DSO small bar (size)" libsize_bar "size_bar.o" "" 490build_lib "ELF DSO foo with small bar (size)" libsize_foo "size_foo.o libsize_bar.so" "" 491 492if ![ld_compile "$CC $CFLAGS $picflag -DSIZE_BIG" $srcdir/$subdir/size_bar.c $tmpdir/size_bar.o] { 493 unresolved "ELF weak (size)" 494 return 495} 496 497build_lib "ELF DSO big bar (size)" libsize_bar "size_bar.o" "" 498 499if ![ld_compile "$CC $CFLAGS" $srcdir/$subdir/size_main.c $tmpdir/size_main.o] { 500 unresolved "ELF weak (size)" 501 return 502} 503 504build_exec "ELF weak size" size_main "size_main.o libsize_foo.so libsize_bar.so" "-Wl,-rpath,.,--no-as-needed" size "" "" 505 506verbose "size2" 507run_dump_test $srcdir/$subdir/size2 508