schulung_tools: add various demos and tools

Different tools have been used by various trainers as demos. Put
all these into master so they are available to all trainers.

ipc_pipe: ipc demo using pipes
ipc_shm: ipc demo using shared memory
libduma: source and instructions for compiling libduma
matrix: demo of good and bad cache access
mtrace: patch and infos for using mtrace with ASLR
rtex: demo of handling page faults

Signed-off-by: John Ogness <john.ogness@linutronix.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/schulung_tools/mtrace/leak.c b/schulung_tools/mtrace/leak.c
new file mode 100644
index 0000000..45ec7b1
--- /dev/null
+++ b/schulung_tools/mtrace/leak.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <mcheck.h>
+
+void a(void)
+{
+	malloc(1024);
+}
+
+int main(void)
+{
+	mtrace();
+	a();
+	return 0;
+}