gcc/testsuite/lib/ubsan-dg.exp

   1 # Copyright (C) 2013-2014 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 #
  18 # ubsan_link_flags -- compute library path and flags to find libubsan.
  19 # (originally from g++.exp)
  20 #
  21
  22 proc ubsan_link_flags { paths } {
  23     global srcdir
  24     global ld_library_path
  25     global shlib_ext
  26
  27     set gccpath ${paths}
  28     set flags ""
  29
  30     set shlib_ext [get_shlib_extension]
  31
  32     if { $gccpath != "" } {
  33       if { [file exists "${gccpath}/libsanitizer/ubsan/.libs/libubsan.a"]
  34            || [file exists "${gccpath}/libsanitizer/ubsan/.libs/libubsan.${shlib_ext}"] } {
  35           append flags " -B${gccpath}/libsanitizer/ "
  36           append flags " -B${gccpath}/libsanitizer/ubsan/ "
  37           append flags " -L${gccpath}/libsanitizer/ubsan/.libs"
  38           append ld_library_path ":${gccpath}/libsanitizer/ubsan/.libs"
  39       }
  40     } else {
  41       global tool_root_dir
  42
  43       set libubsan [lookfor_file ${tool_root_dir} libubsan]
  44       if { $libubsan != "" } {
  45           append flags "-L${libubsan} "
  46           append ld_library_path ":${libubsan}"
  47       }
  48     }
  49
  50     set_ld_library_path_env_vars
  51
  52     return "$flags"
  53 }
  54
  55 #
  56 # ubsan_init -- called at the start of each subdir of tests
  57 #
  58
  59 proc ubsan_init { args } {
  60     global TEST_ALWAYS_FLAGS
  61     global ALWAYS_CXXFLAGS
  62     global TOOL_OPTIONS
  63     global ubsan_saved_TEST_ALWAYS_FLAGS
  64
  65     set link_flags ""
  66     if ![is_remote host] {
  67         if [info exists TOOL_OPTIONS] {
  68             set link_flags "[ubsan_link_flags [get_multilibs ${TOOL_OPTIONS}]]"
  69         } else {
  70             set link_flags "[ubsan_link_flags [get_multilibs]]"
  71         }
  72     }
  73
  74     if [info exists TEST_ALWAYS_FLAGS] {
  75         set ubsan_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS
  76     }
  77     if [info exists ALWAYS_CXXFLAGS] {
  78         set ALWAYS_CXXFLAGS [concat "{ldflags=$link_flags}" $ALWAYS_CXXFLAGS]
  79     } else {
  80         if [info exists TEST_ALWAYS_FLAGS] {
  81             set TEST_ALWAYS_FLAGS "$link_flags $TEST_ALWAYS_FLAGS"
  82         } else {
  83             set TEST_ALWAYS_FLAGS "$link_flags"
  84         }
  85     }
  86     if { $link_flags != "" } {
  87         return 1
  88     }
  89     return 0
  90 }
  91
  92 #
  93 # ubsan_finish -- called at the end of each subdir of tests
  94 #
  95
  96 proc ubsan_finish { args } {
  97     global TEST_ALWAYS_FLAGS
  98     global ubsan_saved_TEST_ALWAYS_FLAGS
  99
 100     if [info exists ubsan_saved_TEST_ALWAYS_FLAGS] {
 101         set TEST_ALWAYS_FLAGS $ubsan_saved_TEST_ALWAYS_FLAGS
 102     } else {
 103         unset TEST_ALWAYS_FLAGS
 104     }
 105 }