Index: uspace/lib/cpp/Makefile
===================================================================
--- uspace/lib/cpp/Makefile	(revision 94ac2eaca040c8045619208687c837f6d3ca3506)
+++ uspace/lib/cpp/Makefile	(revision e7970fe32632b0740d6acf92c6785d5069a172f8)
@@ -51,4 +51,5 @@
 	src/typeinfo.cpp \
 	src/internal/runtime.cpp \
+	src/internal/trycatch.cpp \
 	src/internal/unwind.cpp \
 	src/internal/test/array.cpp \
Index: uspace/lib/cpp/include/internal/trycatch.hpp
===================================================================
--- uspace/lib/cpp/include/internal/trycatch.hpp	(revision e7970fe32632b0740d6acf92c6785d5069a172f8)
+++ uspace/lib/cpp/include/internal/trycatch.hpp	(revision e7970fe32632b0740d6acf92c6785d5069a172f8)
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2018 Jaroslav Jindrak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBCPP_INTERNAL_TRYCATCH
+#define LIBCPP_INTERNAL_TRYCATCH
+
+// TODO: This header should be included in every libcpp header.
+
+/**
+ * For the time that exception support is not present
+ * in HelenOS, we use mock macros in place of the keywords
+ * try, throw and catch that allow us to atleast partially
+ * mimic exception functionality (that is, without propagation
+ * and stack unwinding).
+ * The value of the macro below determines if the keyword
+ * hiding macros get defined.
+ */
+#define LIBCPP_EXCEPTIONS_SUPPORTED 0
+
+#if LIBCPP_EXCEPTIONS_SUPPORTED == 0
+
+namespace std
+{
+    /**
+     * In case the file where our macros get expanded
+     * does not include cstdlib.
+     */
+    extern "C" void abort(void) __attribute__((noreturn));
+
+    namespace aux
+    {
+        /**
+         * Monitors the state of the program with
+         * regards to exceptions.
+         */
+        extern bool exception_thrown;
+
+        /**
+         * These two variables can be used to suppress
+         * the execution of eithe the try blocks
+         * or the catch blocks.
+         */
+        inline constexpr bool try_blocks_allowed{true};
+        inline constexpr bool catch_blocks_allowed{false};
+    }
+}
+
+/**
+ * These macros allow us to choose how the program
+ * should behave when an exception is thrown
+ * (LIBCPP_EXCEPTION_HANDLE_THROW) or caught
+ * (LIBCPP_EXCEPTION_HANDLE_CATCH).
+ * We also provide three handlers that either
+ * hang the program (allowing us to read the
+ * message), exit the program (allowing us to
+ * redirect the message to some output file and
+ * end) or ignore the throw (in which case the
+ * state of program will be broken, but since
+ * we output messages on both and catch, this option
+ * might allow us to see which catch statement
+ * catches the "thrown exception" (supposing
+ * the program doesn't crash before reaching
+ * that statement.
+ */
+#define LIBCPP_EXCEPTION_HANG         while (true);
+#define LIBCPP_EXCEPTION_ABORT        ::std::abort();
+#define LIBCPP_EXCEPTION_IGNORE       /* IGNORE */
+#define LIBCPP_EXCEPTION_HANDLE_THROW LIBCPP_EXCEPTION_IGNORE
+#define LIBCPP_EXCEPTION_HANDLE_CATCH LIBCPP_EXCEPTION_IGNORE
+
+#define try if constexpr (::std::aux::try_blocks_allowed)
+
+/**
+ * Since we cannot use the thrown object in this macro,
+ * we have to silence compiler warnings on it by
+ * using (void)thrown-object.
+ */
+#define throw \
+    do {\
+        ::std::aux::exception_thrown = true; \
+        printf("[EXCEPTION] Thrown at %s:%d\n", __FILE__, __LINE__); \
+        LIBCPP_EXCEPTION_HANDLE_THROW \
+    } while (false); (void)
+
+#define catch(expr) \
+    if (::std::aux::exception_thrown) \
+    { \
+        printf("[EXCEPTION] Caught < "#expr" > at %s:%d\n", __FILE__, __LINE__); \
+        LIBCPP_EXCEPTION_HANDLE_CATCH \
+    } \
+    if constexpr (expr = {}; ::std::aux::catch_blocks_allowed)
+
+#endif
+
+#endif
Index: uspace/lib/cpp/src/internal/trycatch.cpp
===================================================================
--- uspace/lib/cpp/src/internal/trycatch.cpp	(revision e7970fe32632b0740d6acf92c6785d5069a172f8)
+++ uspace/lib/cpp/src/internal/trycatch.cpp	(revision e7970fe32632b0740d6acf92c6785d5069a172f8)
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2018 Jaroslav Jindrak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <internal/trycatch.hpp>
+
+bool ::std::aux::exception_thrown{false};