diff options
Diffstat (limited to 'gcc/testsuite/lib/esan-dg.exp')
| -rw-r--r-- | gcc/testsuite/lib/esan-dg.exp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/esan-dg.exp b/gcc/testsuite/lib/esan-dg.exp new file mode 100644 index 00000000000..e3b933d5335 --- /dev/null +++ b/gcc/testsuite/lib/esan-dg.exp @@ -0,0 +1,156 @@ +# Copyright (C) 2013-2016 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GCC; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. + +# Return 1 if compilation with -fsanitize=efficiency-working-set is error-free for trivial +# code, 0 otherwise. Also set what to do by default here, depending on the +# result of a runtime test. + +proc check_effective_target_fsanitize_esan {} { + global individual_timeout + global dg-do-what-default + + if ![check_no_compiler_messages fsanitize_esan executable { + int main (void) { return 0; } + }] { + return 0 + } + + # Lower timeout value in case test does not terminate properly. + set individual_timeout 20 + if [check_runtime_nocache esan_works { + int main () { return 0; } + }] { + set dg-do-what-default run + } else { + set dg-do-what-default link + } + unset individual_timeout + + return 1 +} + +# +# esan_link_flags -- compute library path and flags to find libesan. +# (originally from g++.exp) +# + +proc esan_link_flags { paths } { + global srcdir + global ld_library_path + global shlib_ext + global esan_saved_library_path + + set gccpath ${paths} + set flags "" + + set shlib_ext [get_shlib_extension] + set esan_saved_library_path $ld_library_path + + if { $gccpath != "" } { + if { [file exists "${gccpath}/libsanitizer/esan/.libs/libesan.a"] + || [file exists "${gccpath}/libsanitizer/esan/.libs/libesan.${shlib_ext}"] } { + append flags " -B${gccpath}/libsanitizer/esan/ " + append flags " -L${gccpath}/libsanitizer/esan/.libs " + append ld_library_path ":${gccpath}/libsanitizer/esan/.libs" + } + } else { + global tool_root_dir + + set libesan [lookfor_file ${tool_root_dir} libesan] + if { $libesan != "" } { + append flags "-L${libesan} " + append ld_library_path ":${libesan}" + } + } + + set_ld_library_path_env_vars + + return "$flags" +} + +# +# esan_init -- called at the start of each subdir of tests +# + +proc esan_init { args } { + global TEST_ALWAYS_FLAGS + global ALWAYS_CXXFLAGS + global TOOL_OPTIONS + global esan_saved_TEST_ALWAYS_FLAGS + global esan_saved_ALWAYS_CXXFLAGS + global dg-do-what-default + global esan_saved_dg-do-what-default + + set link_flags "" + if ![is_remote host] { + if [info exists TOOL_OPTIONS] { + set link_flags "[esan_link_flags [get_multilibs ${TOOL_OPTIONS}]]" + } else { + set link_flags "[esan_link_flags [get_multilibs]]" + } + } + + if [info exists dg-do-what-default] { + set esan_saved_dg-do-what-default ${dg-do-what-default} + } + if [info exists TEST_ALWAYS_FLAGS] { + set esan_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS + } + if [info exists ALWAYS_CXXFLAGS] { + set esan_saved_ALWAYS_CXXFLAGS $ALWAYS_CXXFLAGS + set ALWAYS_CXXFLAGS [concat "{ldflags=$link_flags}" $ALWAYS_CXXFLAGS] + set ALWAYS_CXXFLAGS [concat "{additional_flags=-fsanitize=efficiency-working-set -g}" $ALWAYS_CXXFLAGS] + } else { + if [info exists TEST_ALWAYS_FLAGS] { + set TEST_ALWAYS_FLAGS "$link_flags -fsanitize=efficiency-working-set -g $TEST_ALWAYS_FLAGS" + } else { + set TEST_ALWAYS_FLAGS "$link_flags -fsanitize=efficiency-working-set -g" + } + } +} + +# +# esan_finish -- called at the end of each subdir of tests +# + +proc esan_finish { args } { + global TEST_ALWAYS_FLAGS + global esan_saved_TEST_ALWAYS_FLAGS + global esan_saved_ALWAYS_CXXFLAGS + global dg-do-what-default + global esan_saved_dg-do-what-default + global esan_saved_library_path + global ld_library_path + + if [info exists esan_saved_ALWAYS_CXXFLAGS ] { + set ALWAYS_CXXFLAGS $esan_saved_ALWAYS_CXXFLAGS + } else { + if [info exists esan_saved_TEST_ALWAYS_FLAGS] { + set TEST_ALWAYS_FLAGS $esan_saved_TEST_ALWAYS_FLAGS + } else { + unset TEST_ALWAYS_FLAGS + } + } + + if [info exists esan_saved_dg-do-what-default] { + set dg-do-what-default ${esan_saved_dg-do-what-default} + } else { + unset dg-do-what-default + } + set ld_library_path $esan_saved_library_path + set_ld_library_path_env_vars + clear_effective_target_cache +} |