Draft wamr modifications + host program structure sections

chapters/05_experiment_setup/listings/wamrnativefunctions.cpp

@@ -0,0 +1,23 @@
+// Define FAIL* marker symbols
+void fail_start_trace(void) {}
+void fail_stop_trace(void) {}
+void fail_marker_positive(void) {}
+void fail_marker_negative(void) {}
+void fail_marker_detected(void) {}
+
+// Those functions can be called from within Wasm after registration
+void host_fail_start_trace(wasm_exec_env_t exec_env) {
+  fail_start_trace();
+}
+void host_fail_stop_trace(wasm_exec_env_t exec_env) {
+  fail_stop_trace();
+}
+void host_fail_marker_positive(wasm_exec_env_t exec_env) {
+  fail_marker_positive();
+}
+void host_fail_marker_negative(wasm_exec_env_t exec_env) {
+  fail_marker_negative();
+}
+void host_fail_marker_detected(wasm_exec_env_t exec_env) {
+  fail_marker_detected();
+}