code hierarchy refactoring

include/libpst.h

@@ -0,0 +1,40 @@
+/*
+ * sysutils.h
+ *
+ *  Created on: Dec 28, 2019
+ *      Author: nnosov
+ */
+
+#ifndef PST_HANDLER_H_
+#define PST_HANDLER_H_
+
+//system
+#include <ucontext.h>
+/*
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <vector>
+#include <string.h>
+#include <libunwind.h>
+#include <elfutils/libdwfl.h>
+#include <dlfcn.h>
+#include <stdlib.h>
+*/
+
+#include "utils/list_head.h"
+#include "context.h"
+
+typedef struct pst_handler {
+	pst_context					ctx;		// context of unwinding
+	list_head	                functions;	// list of functions in stack frame
+} pst_handler;
+void pst_handler_init(pst_handler* h, ucontext_t* hctx);
+void pst_handler_fini(pst_handler* h);
+
+bool pst_handler_handle_dwarf(pst_handler* h);
+void pst_handler_print_dwarf(pst_handler* h);
+bool pst_handler_unwind(pst_handler* h);
+
+#endif /* PST_HANDLER_H_ */