Userspace: Add quick test for global ctors and dtors

userspace/CMakeLists.txt

@@ -23,6 +23,7 @@ set(USERSPACE_PROJECTS
 	sync
 	tee
 	test
+	test-globals
 	touch
 	u8sum
 	whoami

userspace/test-globals/CMakeLists.txt

@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.26)
+
+project(test-globals CXX)
+
+set(SOURCES
+	main.cpp
+)
+
+add_executable(test-globals ${SOURCES})
+target_compile_options(test-globals PUBLIC -O2 -g)
+target_link_libraries(test-globals PUBLIC libc)
+
+add_custom_target(test-globals-install
+	COMMAND sudo cp ${CMAKE_CURRENT_BINARY_DIR}/test-globals ${BANAN_BIN}/
+	DEPENDS test-globals
+	USES_TERMINAL
+)

userspace/test-globals/main.cpp

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+struct foo_t
+{
+	foo_t() { printf("global constructor works\n"); }
+	~foo_t() { printf("global destructor works\n"); }
+};
+
+foo_t foo;
+
+int main()
+{
+
+}