libstdc++-v3/testsuite/libstdc++-abi/abi.exp

   1 # Copyright (C) 2005-2018 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; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # If there is no baseline file, or we can't find the library, skip
  18 # this test. Or, hey, if we don't support this kind of symbol
  19 # versioning test: don't run it.
  20
  21 # Only run whole abi.exp in one instance, serially.
  22 if ![gcc_parallel_test_run_p abi] {
  23     return
  24 }
  25 gcc_parallel_test_enable 0
  26
  27 if { [string match "*-*-darwin*" $target_triplet] } {
  28     set lib $blddir/src/.libs/libstdc++.dylib
  29 } else {
  30     set lib $blddir/src/.libs/libstdc++.so
  31 }
  32
  33 # Build the support objects.
  34 v3-build_support
  35
  36 if { (${v3-symver} == 0) || ![info exists baseline_dir] \
  37          || ![file exists $baseline_dir] \
  38          || ![file exists $lib] } {
  39     gcc_parallel_test_enable 1
  40     return
  41 }
  42
  43 set baseline_subdir "[eval exec $cxx $baseline_subdir_switch]"
  44
  45 set baseline_file \
  46     [file join $baseline_dir $baseline_subdir "baseline_symbols.txt"]
  47 # If there is no ABI-specific reference file use that of the default ABI.
  48 if ![file exists $baseline_file] {
  49     set baseline_file [file join $baseline_dir "baseline_symbols.txt"]
  50 }
  51 if ![file exists $baseline_file] {
  52     gcc_parallel_test_enable 1
  53     return
  54 }
  55 send_log "Checking $lib against $baseline_file\n"
  56
  57 # Figure out what symbols are defined by the active build of the library.
  58 remote_exec "build" "$blddir/scripts/extract_symvers" \
  59     [list $lib "current_symbols.txt"]
  60
  61 # Build the abi_check program.
  62 if { [v3_target_compile "$srcdir/util/testsuite_abi_check.cc" "abi_check" \
  63       "executable" [list "additional_flags=-w"]] != "" } {
  64     error "could not compile testsuite_abi_check.cc"
  65 }
  66
  67 remote_download "target" $baseline_file "baseline_symbols.txt"
  68 remote_download "target" "current_symbols.txt" "current_symbols.txt"
  69 set result [${tool}_load "./abi_check" \
  70                 [list "--check-verbose" "current_symbols.txt" \
  71                      "baseline_symbols.txt"]]
  72 [lindex $result 0] "libstdc++-abi/abi_check"
  73
  74 gcc_parallel_test_enable 1