diff --git a/tests/hellocore/.gitignore b/tests/hellocore/.gitignore
new file mode 100644
index 0000000..a2b46dd
--- /dev/null
+++ b/tests/hellocore/.gitignore
@@ -0,0 +1,3 @@
+hellocore
+*.seer
+core.*
diff --git a/tests/hellocore/Makefile b/tests/hellocore/Makefile
new file mode 100644
index 0000000..4710755
--- /dev/null
+++ b/tests/hellocore/Makefile
@@ -0,0 +1,10 @@
+.PHONY: all
+all: hellocore
+
+hellocore: hellocore.cpp
+	g++ -g -o hellocore hellocore.cpp function1.cpp
+
+.PHONY: clean
+clean:
+	rm -f hellocore hellocore.o function1.o
+
diff --git a/tests/hellocore/README.corefile b/tests/hellocore/README.corefile
new file mode 100644
index 0000000..d6b4d3f
--- /dev/null
+++ b/tests/hellocore/README.corefile
@@ -0,0 +1,11 @@
+
+See notes/README.coredump
+
+Quick setup. Some as root.
+
+    % ulimit -c unlimited
+    % install -m 1777 -d /var/local/dumps
+    % (root) echo "/var/local/dumps/core.%e.%p"> /proc/sys/kernel/core_pattern
+    % (root) rcapparmor stop
+    % (root) sysctl -w kernel.suid_dumpable=2
+
diff --git a/tests/hellocore/function1.cpp b/tests/hellocore/function1.cpp
new file mode 100644
index 0000000..f65e752
--- /dev/null
+++ b/tests/hellocore/function1.cpp
@@ -0,0 +1,23 @@
+#include "function1.h"
+#include <iostream>
+#include <unistd.h>
+#include <signal.h>
+
+
+void function1 (const std::string& text) {
+
+    int i = 42;
+
+    sleep(2); // Simulate doing work.
+
+    std::cout << text << i << std::endl;
+
+    //raise(SIGSEGV);
+
+    int* x = 0;
+
+    *x = 2112;
+
+    sleep(3); // Simulate doing work.
+}
+
diff --git a/tests/hellocore/function1.h b/tests/hellocore/function1.h
new file mode 100644
index 0000000..8f24a9b
--- /dev/null
+++ b/tests/hellocore/function1.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include <string>
+
+void function1 (const std::string& text);
+
diff --git a/tests/hellocore/hellocore.cpp b/tests/hellocore/hellocore.cpp
new file mode 100644
index 0000000..73eab62
--- /dev/null
+++ b/tests/hellocore/hellocore.cpp
@@ -0,0 +1,17 @@
+#include "function1.h"
+#include <string>
+#include <iostream>
+
+int main (int argc, char** argv) {
+
+    for (int i=0; i<argc; i++) {
+        std::cout << "XX: " << i << " " << argv[i] << std::endl;
+    }
+
+    std::string message = "Hello, World!";
+
+    function1(message);
+
+    return 0;
+}
+