Add a testcase for libssp

Dockerfile.dev

@@ -80,6 +80,14 @@ RUN cd test && \
 COPY build-libssp.sh libssp-Makefile ./
 RUN ./build-libssp.sh $TOOLCHAIN_PREFIX
 
+RUN cd test && \
+    for arch in $TOOLCHAIN_ARCHS; do \
+        mkdir -p $arch && \
+        for test in ssp; do \
+            $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -fstack-protector-strong || exit 1; \
+        done; \
+    done
+
 # Cheating: Pull strip and objcopy from the normal binutils package.
 RUN apt-get update -qq && \
     apt-get install -qqy binutils-mingw-w64-x86-64 && \

run-tests.sh

@@ -16,6 +16,7 @@ TESTS_C="hello hello-tls crt-test setjmp"
 TESTS_C_NO_BUILTIN="crt-test"
 TESTS_CPP="hello-cpp hello-exception tlstest-main"
 TESTS_CPP_DLL="tlstest-lib"
+TESTS_SSP="ssp"
 for arch in $ARCHS; do
     mkdir -p $arch
     for test in $TESTS_C; do
@@ -32,6 +33,9 @@ for arch in $ARCHS; do
     for test in $TESTS_CPP_DLL; do
         $arch-w64-mingw32-clang++ $test.cpp -shared -o $arch/$test.dll
     done
+    for test in $TESTS_SSP; do
+        $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -fstack-protector-strong
+    done
     DLL="$TESTS_CPP_DLL"
     case $arch in
     i686|x86_64)
@@ -53,7 +57,7 @@ for arch in $ARCHS; do
             $COPY $i.dll
         done
     fi
-    for test in $TESTS_C $TESTS_CPP $TESTS_EXTRA; do
+    for test in $TESTS_C $TESTS_CPP $TESTS_EXTRA $TESTS_SSP; do
         file=$test.exe
         if [ -n "$COPY" ]; then
             $COPY $file

test/ssp.c

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2018 Martin Storsjo
+ *
+ * This file is part of llvm-mingw.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+__attribute__((noinline))
+void func(char *ptr) {
+    ptr[10] = 0;
+}
+int main(int argc, char *argv[]) {
+    char buf[10];
+    if (argc > 1)
+        func(buf);
+    return 0;
+}