From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============7226605732495169516==" MIME-Version: 1.0 From: Krzysztof Kozlowski To: linux-nfc@lists.01.org Subject: [neard][PATCH v2 72/73] build: add support for GCC sanitizers (asan, lsan and ubsan) Date: Mon, 19 Jul 2021 13:08:18 +0200 Message-ID: <20210719110819.27340-73-krzysztof.kozlowski@canonical.com> In-Reply-To: <20210719110819.27340-1-krzysztof.kozlowski@canonical.com> List-Id: --===============7226605732495169516== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Add support for GCC sanitizers: address (asan), leak (lsan) and undefined behavior (ubsan). These can be toggled in ./configure with --enable-asan, --enable-lsan and --enable-ubsan. The autoconf code for this derived from ell (mostly authored by Mat Martineau ): https://git.kernel.org/pub/scm/libs/ell/ell.git Signed-off-by: Krzysztof Kozlowski --- HACKING | 5 ++++- acinclude.m4 | 36 ++++++++++++++++++++++++++++++++++++ configure.ac | 45 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 85 insertions(+), 1 deletion(-) diff --git a/HACKING b/HACKING index 7326242506a6..40bde2fb3c8b 100644 --- a/HACKING +++ b/HACKING @@ -51,8 +51,11 @@ like this: # git clone git://git.kernel.org/pub/scm/network/.../neard.git # cd neard = - Configure and build + Configure (choose only one) # ./bootstrap-configure + # ./bootstrap-configure --enable-asan --enable-lsan --enable-ubsan + + Build # make = Check installation diff --git a/acinclude.m4 b/acinclude.m4 index a12b93972cfa..e9ad0d63cc8c 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -9,3 +9,39 @@ AC_DEFUN([NEARD_PROG_CC_PIE], [ rm -rf conftest* ]) ]) + +AC_DEFUN([NEARD_PROG_CC_ASAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=3Daddress], neard_cv_p= rog_cc_asan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=3Daddress -c conftest.c 2>&1`"; then + neard_cv_prog_cc_asan=3Dyes + else + neard_cv_prog_cc_asan=3Dno + fi + rm -rf conftest* +]) +]) + +AC_DEFUN([NEARD_PROG_CC_LSAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=3Dleak], neard_cv_prog= _cc_lsan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=3Dleak -c conftest.c 2>&1`"; then + neard_cv_prog_cc_lsan=3Dyes + else + neard_cv_prog_cc_lsan=3Dno + fi + rm -rf conftest* +]) +]) + +AC_DEFUN([NEARD_PROG_CC_UBSAN], [ +AC_CACHE_CHECK([whether ${CC-cc} accepts -fsanitize=3Dundefined], neard_cv= _prog_cc_ubsan, [ + echo 'void f(){}' > conftest.c + if test -z "`${CC-cc} -fsanitize=3Dundefined -c conftest.c 2>&1`"; then + neard_cv_prog_cc_ubsan=3Dyes + else + neard_cv_prog_cc_ubsan=3Dno + fi + rm -rf conftest* +]) +]) diff --git a/configure.ac b/configure.ac index 1ec6f4eb30ea..c1fdc44ae02d 100644 --- a/configure.ac +++ b/configure.ac @@ -26,6 +26,9 @@ AC_LANG([C]) = AC_PROG_CC NEARD_PROG_CC_PIE +NEARD_PROG_CC_ASAN +NEARD_PROG_CC_LSAN +NEARD_PROG_CC_UBSAN AC_PROG_INSTALL AC_PROG_MKDIR_P = @@ -98,6 +101,48 @@ AC_ARG_ENABLE(pie, AS_HELP_STRING([--enable-pie], AC_CHECK_LIB(dl, dlopen, dummy=3Dyes, AC_MSG_ERROR(dynamic linking loader is required)) = +save_LIBS=3D$LIBS +AC_CHECK_LIB(asan, _init) +LIBS=3D$save_LIBS + +AC_ARG_ENABLE(asan, AC_HELP_STRING([--enable-asan], + [enable linking with address sanitizer]), [ + if (test "${enableval}" =3D "yes" && + test "${ac_cv_lib_asan__init}" =3D "yes" && + test "${neard_cv_prog_cc_asan}" =3D "yes"); then + CFLAGS=3D"$CFLAGS -fsanitize=3Daddress"; + LDFLAGS=3D"$LDFLAGS -fsanitize=3Daddress" + fi +]) + +save_LIBS=3D$LIBS +AC_CHECK_LIB(lsan, _init) +LIBS=3D$save_LIBS + +AC_ARG_ENABLE(lsan, AC_HELP_STRING([--enable-lsan], + [enable linking with leak sanitizer]), [ + if (test "${enableval}" =3D "yes" && + test "${ac_cv_lib_lsan__init}" =3D "yes" && + test "${neard_cv_prog_cc_lsan}" =3D "yes"); then + CFLAGS=3D"$CFLAGS -fsanitize=3Dleak"; + LDFLAGS=3D"$LDFLAGS -fsanitize=3Dleak" + fi +]) + +save_LIBS=3D$LIBS +AC_CHECK_LIB(ubsan, _init) +LIBS=3D$save_LIBS + +AC_ARG_ENABLE(ubsan, AC_HELP_STRING([--enable-ubsan], + [enable linking with undefined behavior sanitizer]), [ + if (test "${enableval}" =3D "yes" && + test "${ac_cv_lib_ubsan__init}" =3D "yes" && + test "${neard_cv_prog_cc_ubsan}" =3D "yes"); then + CFLAGS=3D"$CFLAGS -fsanitize=3Dundefined"; + LDFLAGS=3D"$LDFLAGS -fsanitize=3Dundefined" + fi +]) + GLIB_DEPS=3D"glib-2.0 >=3D 2.28" PKG_CHECK_MODULES(GLIB, [${GLIB_DEPS}], dummy=3Dyes, AC_MSG_ERROR(GLib >=3D 2.28 is required)) -- = 2.27.0 --===============7226605732495169516==--