Add tests for the autoimport feature

Dockerfile.dev

@@ -52,13 +52,19 @@ RUN ./build-mingw-w64-libraries.sh $TOOLCHAIN_PREFIX
 # Build C test applications
 ENV PATH=$TOOLCHAIN_PREFIX/bin:$PATH
 
-COPY test/*.c ./test/
+COPY test/*.c test/*.h ./test/
 RUN cd test && \
     for arch in $TOOLCHAIN_ARCHS; do \
         mkdir -p $arch && \
         for test in hello hello-tls crt-test setjmp; do \
             $arch-w64-mingw32-clang $test.c -o $arch/$test.exe || exit 1; \
         done; \
+        for test in autoimport-lib; do \
+            $arch-w64-mingw32-clang $test.c -shared -o $arch/$test.dll -Wl,--out-implib,$arch/lib$test.dll.a || exit 1; \
+        done; \
+        for test in autoimport-main; do \
+            $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -L$arch -l${test%-main}-lib || exit 1; \
+        done; \
     done
 
 # Build libunwind/libcxxabi/libcxx

run-tests.sh

@@ -13,6 +13,8 @@ export PATH=$PREFIX/bin:$PATH
 
 cd test
 TESTS_C="hello hello-tls crt-test setjmp"
+TESTS_C_DLL="autoimport-lib"
+TESTS_C_LINK_DLL="autoimport-main"
 TESTS_C_NO_BUILTIN="crt-test"
 TESTS_CPP="hello-cpp hello-exception tlstest-main"
 TESTS_CPP_DLL="tlstest-lib"
@@ -22,6 +24,12 @@ for arch in $ARCHS; do
     for test in $TESTS_C; do
         $arch-w64-mingw32-clang $test.c -o $arch/$test.exe
     done
+    for test in $TESTS_C_DLL; do
+        $arch-w64-mingw32-clang $test.c -shared -o $arch/$test.dll -Wl,--out-implib,$arch/lib$test.dll.a
+    done
+    for test in $TESTS_C_LINK_DLL; do
+        $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -L$arch -l${test%-main}-lib
+    done
     TESTS_EXTRA=""
     for test in $TESTS_C_NO_BUILTIN; do
         $arch-w64-mingw32-clang $test.c -o $arch/$test-no-builtin.exe -fno-builtin
@@ -36,7 +44,7 @@ for arch in $ARCHS; do
     for test in $TESTS_SSP; do
         $arch-w64-mingw32-clang $test.c -o $arch/$test.exe -fstack-protector-strong
     done
-    DLL="$TESTS_CPP_DLL"
+    DLL="$TESTS_C_DLL $TESTS_CPP_DLL"
     case $arch in
     i686|x86_64)
         RUN=wine
@@ -57,7 +65,7 @@ for arch in $ARCHS; do
             $COPY $i.dll
         done
     fi
-    for test in $TESTS_C $TESTS_CPP $TESTS_EXTRA $TESTS_SSP; do
+    for test in $TESTS_C $TESTS_C_LINK_DLL $TESTS_CPP $TESTS_EXTRA $TESTS_SSP; do
         file=$test.exe
         if [ -n "$COPY" ]; then
             $COPY $file

test/autoimport-lib.c

@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+
+#include "autoimport-lib.h"
+
+int var;
+
+int getVar(void) {
+    return var;
+}
+
+void setVar(int val) {
+    var = val;
+}

test/autoimport-lib.h

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+
+#ifndef AUTOIMPORT_LIB_H
+#define AUTOIMPORT_LIB_H
+
+extern int var;
+int getVar(void);
+void setVar(int val);
+
+#endif

test/autoimport-main.c

@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+#include "autoimport-lib.h"
+
+int *ptr = &var;
+
+int main(int argc, char *argv[]) {
+    setVar(42);
+    if (var != 42) return 1;
+    var++;
+    if (getVar() != 43) return 1;
+    (*ptr)++;
+    if (getVar() != 44) return 1;
+    return 0;
+}