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

   1 # Copyright (C) 2005, 2009 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 if { [string match "*-*-darwin*" $target_triplet] } {
  22     set lib $blddir/src/.libs/libstdc++.dylib
  23 } else {
  24     set lib $blddir/src/.libs/libstdc++.so
  25 }
  26
  27 set baseline_subdir "[eval exec $cxx --print-multi-dir]"
  28
  29 # Build the support objects.
  30 v3-build_support
  31
  32 if { (${v3-symver} == 0) || ![info exists baseline_dir] \
  33          || ![file exists $baseline_dir] \
  34          || ![file exists $lib] } {
  35     return
  36 }
  37
  38 set baseline_file \
  39     [file join $baseline_dir $baseline_subdir "baseline_symbols.txt"]
  40 # If there is no ABI-specific reference file use that of the default ABI.
  41 if ![file exists $baseline_file] {
  42     set baseline_file [file join $baseline_dir "baseline_symbols.txt"]
  43 }
  44 if ![file exists $baseline_file] {
  45     return
  46 }
  47 send_log "Checking $lib against $baseline_file\n"
  48
  49 # Figure out what symbols are defined by the active build of the library.
  50 remote_exec "build" "$srcdir/../scripts/extract_symvers" \
  51     [list $lib "current_symbols.txt"]
  52
  53 # Build the abi_check program.
  54 if { [v3_target_compile "$srcdir/util/testsuite_abi_check.cc" "abi_check" \
  55       "executable" [list "additional_flags=-w"]] != "" } {
  56     error "could not compile testsuite_abi_check.cc"
  57 }
  58
  59 remote_download "target" $baseline_file "baseline_symbols.txt"
  60 remote_download "target" "current_symbols.txt" "current_symbols.txt"
  61 set result [${tool}_load "./abi_check" \
  62                 [list "--check-verbose" "current_symbols.txt" \
  63                      "baseline_symbols.txt"]]
  64 [lindex $result 0] "abi_check"