gdb/testsuite/lib/future.exp

   1 # Copyright 2004-2019 Free Software Foundation, Inc.
   2 #
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 load_lib libgloss.exp
  17
  18 # FIXME:brobecker/2004-03-31:
  19 # The following functions should eventually be part of dejagnu. Even after
  20 # these functions becomes available in dejagnu, we will keep for a while
  21 # a copy here in order to avoid increasing the dejagnu version
  22 # requirement.
  23
  24 proc gdb_find_gnatmake {} {
  25     global tool_root_dir
  26
  27     set root "$tool_root_dir/gcc"
  28     set GM ""
  29
  30     if ![is_remote host] {
  31         set file [lookfor_file $root gnatmake]
  32         if { $file != "" } {
  33             set GM "$file -I$root/ada/rts --GCC=$root/xgcc --GNATBIND=$root/gnatbind --GNATLINK=$root/gnatlink -cargs -B$root -largs --GCC=$root/xgcc -margs";
  34         }
  35     }
  36
  37     if {$GM == ""} {
  38         set GM [transform gnatmake]
  39     }
  40
  41     return $GM
  42 }
  43
  44 proc gdb_find_gdc {} {
  45     global tool_root_dir
  46     print "Tool Root: $tool_root_dir"
  47
  48     if {![is_remote host]} {
  49         set file [lookfor_file $tool_root_dir gdc]
  50         if { $file == "" } {
  51             set file [lookfor_file $tool_root_dir gcc/gdc]
  52         }
  53         if { $file != "" } {
  54             set CC "$file -B[file dirname $file]/"
  55         } else {
  56             set CC [transform gdc]
  57         }
  58     } else {
  59         set CC [transform gdc]
  60     }
  61     print "CC: $CC"
  62     return $CC
  63 }
  64
  65 proc gdb_find_gfortran {} {
  66     global tool_root_dir
  67
  68     if {![is_remote host]} {
  69         set file [lookfor_file $tool_root_dir gfortran]
  70         if { $file == "" } {
  71             set file [lookfor_file $tool_root_dir gcc/gfortran]
  72         }
  73         if { $file != "" } {
  74             set CC "$file -B[file dirname $file]/"
  75         } else {
  76             set CC [transform gfortran]
  77         }
  78     } else {
  79         set CC [transform gfortran]
  80     }
  81     return $CC
  82 }
  83
  84 proc gdb_find_go {} {
  85     global tool_root_dir
  86
  87     set GO ""
  88
  89     if {![is_remote host]} {
  90         set file [lookfor_file $tool_root_dir gccgo]
  91         if { $file != "" } {
  92             set root [file dirname $file]
  93             set GO "$file -B$root/gcc/"
  94         }
  95     }
  96
  97     if { $GO == "" } {
  98         set GO [transform gccgo]
  99     }
 100
 101     return $GO
 102 }
 103
 104 proc gdb_find_go_linker {} {
 105     return [find_go]
 106 }
 107
 108 proc gdb_find_rustc {} {
 109     global tool_root_dir
 110     if {![is_remote host]} {
 111         set rustc [lookfor_file $tool_root_dir rustc]
 112         if {$rustc == ""} {
 113             set rustc rustc
 114         }
 115     } else {
 116         set rustc ""
 117     }
 118     if {$rustc != ""} {
 119         append rustc " --color never"
 120     }
 121     return $rustc
 122 }
 123
 124 proc gdb_find_ldd {} {
 125     global LDD_FOR_TARGET
 126     if [info exists LDD_FOR_TARGET] {
 127         set ldd $LDD_FOR_TARGET
 128     } else {
 129         set ldd "ldd"
 130     }
 131     return $ldd
 132 }
 133
 134 proc gdb_find_objcopy {} {
 135     global OBJCOPY_FOR_TARGET
 136     if [info exists OBJCOPY_FOR_TARGET] {
 137         set objcopy $OBJCOPY_FOR_TARGET
 138     } else {
 139         set objcopy [transform objcopy]
 140     }
 141     return $objcopy
 142 }
 143
 144 # find target objdump
 145 proc gdb_find_objdump {} {
 146     global OBJDUMP_FOR_TARGET
 147     if [info exists OBJDUMP_FOR_TARGET] {
 148         set objdump $OBJDUMP_FOR_TARGET
 149     } else {
 150         set objdump [transform objdump]
 151     }
 152     return $objdump
 153 }
 154
 155 proc gdb_find_readelf {} {
 156     global READELF_FOR_TARGET
 157     if [info exists READELF_FOR_TARGET] {
 158         set readelf $READELF_FOR_TARGET
 159     } else {
 160         set readelf [transform readelf]
 161     }
 162     return $readelf
 163 }
 164
 165 proc gdb_default_target_compile {source destfile type options} {
 166     global target_triplet
 167     global tool_root_dir
 168     global CFLAGS_FOR_TARGET
 169     global compiler_flags
 170
 171     if { $destfile == "" && $type != "preprocess" && $type != "none" } {
 172         error "Must supply an output filename for the compile to default_target_compile"
 173     }
 174
 175     set early_flags ""
 176     set add_flags ""
 177     set libs ""
 178     set compiler_type "c"
 179     set compiler ""
 180     set linker ""
 181     # linker_opts_order is one of "sources-then-flags", "flags-then-sources".
 182     # The order matters for things like -Wl,--as-needed.  The default is to
 183     # preserve existing behavior.
 184     set linker_opts_order "sources-then-flags"
 185     set ldflags ""
 186     set dest [target_info name]
 187
 188     if {[info exists CFLAGS_FOR_TARGET]} {
 189         append add_flags " $CFLAGS_FOR_TARGET"
 190     }
 191
 192     if {[info exists target_info(host,name)]} {
 193         set host [host_info name]
 194     } else {
 195         set host "unix"
 196     }
 197
 198     foreach i $options {
 199
 200         if { $i == "ada" } {
 201             set compiler_type "ada"
 202             if {[board_info $dest exists adaflags]} {
 203                 append add_flags " [target_info adaflags]"
 204             }
 205             if {[board_info $dest exists gnatmake]} {
 206                 set compiler [target_info gnatmake]
 207             } else {
 208                 set compiler [find_gnatmake]
 209             }
 210         }
 211
 212         if { $i == "c++" } {
 213             set compiler_type "c++"
 214             if {[board_info $dest exists cxxflags]} {
 215                 append add_flags " [target_info cxxflags]"
 216             }
 217             append add_flags " [g++_include_flags]"
 218             if {[board_info $dest exists c++compiler]} {
 219                 set compiler [target_info c++compiler]
 220             } else {
 221                 set compiler [find_g++]
 222             }
 223         }
 224
 225         if { $i == "d" } {
 226             set compiler_type "d"
 227             if {[board_info $dest exists dflags]} {
 228                 append add_flags " [target_info dflags]"
 229             }
 230             if {[board_info $dest exists dcompiler]} {
 231                 set compiler [target_info dcompiler]
 232             } else {
 233                 set compiler [find_gdc]
 234             }
 235         }
 236
 237         if { $i == "f77" } {
 238             set compiler_type "f77"
 239             if {[board_info $dest exists f77flags]} {
 240                 append add_flags " [target_info f77flags]"
 241             }
 242             if {[board_info $dest exists f77compiler]} {
 243                 set compiler [target_info f77compiler]
 244             } else {
 245                 set compiler [find_g77]
 246             }
 247         }
 248
 249         if { $i == "f90" } {
 250             set compiler_type "f90"
 251             if {[board_info $dest exists f90flags]} {
 252                 append add_flags " [target_info f90flags]"
 253             }
 254             if {[board_info $dest exists f90compiler]} {
 255                 set compiler [target_info f90compiler]
 256             } else {
 257                 set compiler [find_gfortran]
 258             }
 259         }
 260
 261         if { $i == "go" } {
 262             set compiler_type "go"
 263             if {[board_info $dest exists goflags]} {
 264                 append add_flags " [target_info goflags]"
 265             }
 266             if {[board_info $dest exists gocompiler]} {
 267                 set compiler [target_info gocompiler]
 268             } else {
 269                 set compiler [find_go]
 270             }
 271             if {[board_info $dest exists golinker]} {
 272                 set linker [target_info golinker]
 273             } else {
 274                 set linker [find_go_linker]
 275             }
 276             if {[board_info $dest exists golinker_opts_order]} {
 277                 set linker_opts_order [target_info golinker_opts_order]
 278             }
 279         }
 280
 281         if { $i == "rust" } {
 282             set compiler_type "rust"
 283             if {[board_info $dest exists rustflags]} {
 284                 append add_flags " [target_info rustflags]"
 285             }
 286             if {[board_info $dest exists rustflags]} {
 287                 set compiler [target_info rustflags]
 288             } else {
 289                 set compiler [find_rustc]
 290             }
 291         }
 292
 293         if {[regexp "^dest=" $i]} {
 294             regsub "^dest=" $i "" tmp
 295             if {[board_info $tmp exists name]} {
 296                 set dest [board_info $tmp name]
 297             } else {
 298                 set dest $tmp
 299             }
 300         }
 301         if {[regexp "^compiler=" $i]} {
 302             regsub "^compiler=" $i "" tmp
 303             set compiler $tmp
 304         }
 305         if {[regexp "^early_flags=" $i]} {
 306             regsub "^early_flags=" $i "" tmp
 307             append early_flags " $tmp"
 308         }
 309         if {[regexp "^additional_flags=" $i]} {
 310             regsub "^additional_flags=" $i "" tmp
 311             append add_flags " $tmp"
 312         }
 313         if {[regexp "^ldflags=" $i]} {
 314             regsub "^ldflags=" $i "" tmp
 315             append ldflags " $tmp"
 316         }
 317         if {[regexp "^libs=" $i]} {
 318             regsub "^libs=" $i "" tmp
 319             append libs " $tmp"
 320         }
 321         if {[regexp "^incdir=" $i]} {
 322             regsub "^incdir=" $i "-I" tmp
 323             append add_flags " $tmp"
 324         }
 325         if {[regexp "^libdir=" $i]} {
 326             regsub "^libdir=" $i "-L" tmp
 327             append add_flags " $tmp"
 328         }
 329         if {[regexp "^ldscript=" $i]} {
 330             regsub "^ldscript=" $i "" ldscript
 331         }
 332         if {[regexp "^redirect=" $i]} {
 333             regsub "^redirect=" $i "" redirect
 334         }
 335         if {[regexp "^optimize=" $i]} {
 336             regsub "^optimize=" $i "" optimize
 337         }
 338         if {[regexp "^timeout=" $i]} {
 339             regsub "^timeout=" $i "" timeout
 340         }
 341     }
 342
 343     if {[board_info $host exists cflags_for_target]} {
 344         append add_flags " [board_info $host cflags_for_target]"
 345     }
 346
 347     global CC_FOR_TARGET
 348     global CXX_FOR_TARGET
 349     global D_FOR_TARGET
 350     global F77_FOR_TARGET
 351     global F90_FOR_TARGET
 352     global GNATMAKE_FOR_TARGET
 353     global GO_FOR_TARGET
 354     global GO_LD_FOR_TARGET
 355     global RUSTC_FOR_TARGET
 356
 357     if {[info exists GNATMAKE_FOR_TARGET]} {
 358         if { $compiler_type == "ada" } {
 359             set compiler $GNATMAKE_FOR_TARGET
 360         }
 361     }
 362
 363     if {[info exists CC_FOR_TARGET]} {
 364         if { $compiler == "" } {
 365             set compiler $CC_FOR_TARGET
 366         }
 367     }
 368
 369     if {[info exists CXX_FOR_TARGET]} {
 370         if { $compiler_type == "c++" } {
 371             set compiler $CXX_FOR_TARGET
 372         }
 373     }
 374
 375     if {[info exists D_FOR_TARGET]} {
 376         if { $compiler_type == "d" } {
 377             set compiler $D_FOR_TARGET
 378         }
 379     }
 380
 381     if {[info exists F77_FOR_TARGET]} {
 382         if { $compiler_type == "f77" } {
 383             set compiler $F77_FOR_TARGET
 384         }
 385     }
 386
 387     if {[info exists F90_FOR_TARGET]} {
 388         if { $compiler_type == "f90" } {
 389             set compiler $F90_FOR_TARGET
 390         }
 391     }
 392
 393     if { $compiler_type == "go" } {
 394         if {[info exists GO_FOR_TARGET]} {
 395             set compiler $GO_FOR_TARGET
 396         }
 397         if {[info exists GO_LD_FOR_TARGET]} {
 398             set linker $GO_LD_FOR_TARGET
 399         }
 400     }
 401
 402     if {[info exists RUSTC_FOR_TARGET]} {
 403         if {$compiler_type == "rust"} {
 404             set compiler $RUSTC_FOR_TARGET
 405         }
 406     }
 407
 408     if { $type == "executable" && $linker != "" } {
 409         set compiler $linker
 410     }
 411
 412     if { $compiler == "" } {
 413         set compiler [board_info $dest compiler]
 414         if { $compiler == "" } {
 415             return "default_target_compile: No compiler to compile with"
 416         }
 417     }
 418
 419     if {![is_remote host]} {
 420         if { [which $compiler] == 0 } {
 421             return "default_target_compile: Can't find $compiler."
 422         }
 423     }
 424
 425     if {$type == "object"} {
 426         if {$compiler_type == "rust"} {
 427             append add_flags "--emit obj"
 428         } else {
 429             append add_flags " -c"
 430         }
 431     }
 432
 433     if { $type == "preprocess" } {
 434         append add_flags " -E"
 435     }
 436
 437     if { $type == "assembly" } {
 438         append add_flags " -S"
 439     }
 440
 441     if {[board_info $dest exists cflags]} {
 442         append add_flags " [board_info $dest cflags]"
 443     }
 444
 445     if { $type == "executable" } {
 446         if {[board_info $dest exists ldflags]} {
 447             append add_flags " [board_info $dest ldflags]"
 448         }
 449         if { $compiler_type == "c++" } {
 450             append add_flags " [g++_link_flags]"
 451         }
 452         if {[isnative]} {
 453             # This is a lose.
 454             catch "glob -nocomplain $tool_root_dir/libstdc++/libstdc++.so* $tool_root_dir/libstdc++/libstdc++.sl" tmp
 455             if { ${tmp} != "" } {
 456                 if {[regexp ".*solaris2.*" $target_triplet]} {
 457                     # Solaris 2
 458                     append add_flags " -R$tool_root_dir/libstdc++"
 459                 } elseif {[regexp ".*(osf|irix5|linux).*" $target_triplet]} {
 460                     # OSF/1 or IRIX 5
 461                     append add_flags " -Wl,-rpath,$tool_root_dir/libstdc++"
 462                 }
 463             }
 464         }
 465     }
 466
 467     if {![info exists ldscript]} {
 468         set ldscript [board_info $dest ldscript]
 469     }
 470
 471     foreach i $options {
 472         if { $i == "debug" } {
 473             if {[board_info $dest exists debug_flags]} {
 474                 append add_flags " [board_info $dest debug_flags]"
 475             } else {
 476                 append add_flags " -g"
 477             }
 478         }
 479     }
 480
 481     if {[info exists optimize]} {
 482         append add_flags " $optimize"
 483     }
 484
 485     if { $type == "executable" } {
 486         append add_flags " $ldflags"
 487         foreach x $libs {
 488             if {[file exists $x]} {
 489                 append source " $x"
 490             } else {
 491                 append add_flags " $x"
 492             }
 493         }
 494
 495         if {[board_info $dest exists libs]} {
 496             append add_flags " [board_info $dest libs]"
 497         }
 498
 499         # This probably isn't such a good idea, but it avoids nasty
 500         # hackiness in the testsuites.
 501         # The math library must be linked in before the C library.  The C
 502         # library is linked in by the linker script, so this must be before
 503         # the linker script.
 504         if {[board_info $dest exists mathlib]} {
 505             append add_flags " [board_info $dest mathlib]"
 506         } else {
 507             append add_flags " -lm"
 508         }
 509
 510         # This must be added here.
 511         append add_flags " $ldscript"
 512
 513         if {[board_info $dest exists remote_link]} {
 514             # Relink option.
 515             append add_flags " -Wl,-r"
 516         }
 517         if {[board_info $dest exists output_format]} {
 518             append add_flags " -Wl,-oformat,[board_info $dest output_format]"
 519         }
 520     }
 521
 522     if {[board_info $dest exists multilib_flags]} {
 523         append add_flags " [board_info $dest multilib_flags]"
 524     }
 525
 526     verbose "doing compile"
 527
 528     set sources ""
 529     if {[is_remote host]} {
 530         foreach x $source {
 531             set file [remote_download host $x]
 532             if { $file == "" } {
 533                 warning "Unable to download $x to host."
 534                 return "Unable to download $x to host."
 535             } else {
 536                 append sources " $file"
 537             }
 538         }
 539     } else {
 540         set sources $source
 541     }
 542
 543     if {[is_remote host]} {
 544         append add_flags " -o " [file tail $destfile]
 545         remote_file host delete [file tail $destfile]
 546     } else {
 547         if { $destfile != "" } {
 548             append add_flags " -o $destfile"
 549         }
 550     }
 551
 552     # This is obscure: we put SOURCES at the end when building an
 553     # object, because otherwise, in some situations, libtool will
 554     # become confused about the name of the actual source file.
 555     switch $type {
 556         "object" {
 557             set opts "$early_flags $add_flags $sources"
 558         }
 559         "executable" {
 560             switch $linker_opts_order {
 561                 "flags-then-sources" {
 562                     set opts "$early_flags $add_flags $sources"
 563                 }
 564                 "sources-then-flags" {
 565                     set opts "$early_flags $sources $add_flags"
 566                 }
 567                 default {
 568                     error "Invalid value for board_info linker_opts_order"
 569                 }
 570             }
 571         }
 572         default {
 573             set opts "$early_flags $sources $add_flags"
 574         }
 575     }
 576
 577     if {[is_remote host]} {
 578         if {[host_info exists use_at]} {
 579             set fid [open "atfile" "w"]
 580             puts $fid "$opts"
 581             close $fid
 582             set opts "@[remote_download host atfile]"
 583             remote_file build delete atfile
 584         }
 585     }
 586
 587     verbose "Invoking the compiler as $compiler $opts" 2
 588
 589     if {[info exists redirect]} {
 590         verbose "Redirecting output to $redirect" 2
 591         set status [remote_exec host "$compiler $opts" "" "" $redirect]
 592     } else {
 593         if {[info exists timeout]} {
 594             verbose "Setting timeout to $timeout" 2
 595             set status [remote_exec host "$compiler $opts" "" "" "" $timeout]
 596         } else {
 597             set status [remote_exec host "$compiler $opts"]
 598         }
 599     }
 600
 601     set compiler_flags $opts
 602     if {[is_remote host]} {
 603         remote_upload host [file tail $destfile] $destfile
 604         remote_file host delete [file tail $destfile]
 605     }
 606     set comp_output [prune_warnings [lindex $status 1]]
 607     regsub "^\[\r\n\]+" $comp_output "" comp_output
 608     if { [lindex $status 0] != 0 } {
 609         verbose -log "compiler exited with status [lindex $status 0]"
 610     }
 611     if { [lindex $status 1] != "" } {
 612         verbose -log "output is:\n[lindex $status 1]" 2
 613     }
 614     if { [lindex $status 0] != 0 && "${comp_output}" == "" } {
 615         set comp_output "exit status is [lindex $status 0]"
 616     }
 617     return ${comp_output}
 618 }
 619
 620 # See if the version of dejaGNU being used to run the testsuite is
 621 # recent enough to contain support for building Ada programs or not.
 622 # If not, then use the functions above in place of the ones provided
 623 # by dejaGNU. This is only temporary (brobecker/2004-03-31).
 624
 625 set use_gdb_compile 0
 626 if {[info procs find_gnatmake] == ""} {
 627     rename gdb_find_gnatmake find_gnatmake
 628     set use_gdb_compile 1
 629 }
 630
 631 if {[info procs find_gfortran] == ""} {
 632     rename gdb_find_gfortran find_gfortran
 633     set use_gdb_compile 1
 634 }
 635
 636 if {[info procs find_go_linker] == ""} {
 637     rename gdb_find_go find_go
 638     rename gdb_find_go_linker find_go_linker
 639     set use_gdb_compile 1
 640 }
 641
 642 if {[info procs find_gdc] == ""} {
 643     rename gdb_find_gdc find_gdc
 644     set use_gdb_compile 1
 645 }
 646
 647 if {[info procs find_rustc] == ""} {
 648     rename gdb_find_rustc find_rustc
 649     set use_gdb_compile 1
 650 }
 651
 652 if {$use_gdb_compile} {
 653     catch {rename default_target_compile {}}
 654     rename gdb_default_target_compile default_target_compile
 655 }
 656
 657
 658 # Provide 'lreverse' missing in Tcl before 7.5.
 659
 660 if {[info procs lreverse] == ""} {
 661     proc lreverse { arg } {
 662         set retval {}
 663         while { [llength $retval] < [llength $arg] } {
 664             lappend retval [lindex $arg end-[llength $retval]]
 665         }
 666         return $retval
 667     }
 668 }
 669
 670 # Various ccache versions provide incorrect debug info such as ignoring
 671 # different current directory, breaking GDB testsuite.
 672 set env(CCACHE_DISABLE) 1
 673 unset -nocomplain env(CCACHE_NODISABLE)