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diff --git a/src/lib/netlist/plib/pexception.h b/src/lib/netlist/plib/pexception.h
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+++ b/src/lib/netlist/plib/pexception.h
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+// license:GPL-2.0+
+// copyright-holders:Couriersud
+/*
+ * palloc.h
+ *
+ */
+
+#ifndef PEXCEPTION_H_
+#define PEXCEPTION_H_
+
+#include <exception>
+
+#include "pconfig.h"
+#include "pstring.h"
+
+namespace plib {
+//============================================================
+// exception base
+//============================================================
+
+class pexception : public std::exception
+{
+public:
+ pexception(const pstring text);
+ pexception(const pexception &e) : std::exception(e) { m_text = e.m_text; }
+
+ virtual ~pexception() noexcept {}
+
+ const pstring &text() { return m_text; }
+
+private:
+ pstring m_text;
+};
+
+class file_e : public plib::pexception
+{
+public:
+ explicit file_e(const pstring fmt, const pstring &filename);
+};
+
+class file_open_e : public file_e
+{
+public:
+ explicit file_open_e(const pstring &filename);
+};
+
+class file_read_e : public file_e
+{
+public:
+ explicit file_read_e(const pstring &filename);
+};
+
+class file_write_e : public file_e
+{
+public:
+ explicit file_write_e(const pstring &filename);
+};
+
+class null_argument_e : public plib::pexception
+{
+public:
+ explicit null_argument_e(const pstring &argument);
+};
+
+class out_of_mem_e : public plib::pexception
+{
+public:
+ explicit out_of_mem_e(const pstring &location);
+};
+
+/* FIXME: currently only a stub for later use. More use could be added by
+ * using “-fnon-call-exceptions" and sigaction to enable c++ exception supported.
+ */
+
+class fpexception : public pexception
+{
+public:
+ fpexception(const pstring &text);
+};
+
+static const unsigned FP_INEXACT = 0x0001;
+static const unsigned FP_DIVBYZERO = 0x0002;
+static const unsigned FP_UNDERFLOW = 0x0004;
+static const unsigned FP_OVERFLOW = 0x0008;
+static const unsigned FP_INVALID = 0x00010;
+static const unsigned FP_ALL = 0x0001f;
+
+/*
+ * Catch SIGFPE on linux for debugging purposes.
+ */
+
+class fpsignalenabler
+{
+public:
+ fpsignalenabler(unsigned fpexceptions);
+ ~fpsignalenabler();
+
+ /* is the functionality supported ? */
+ static bool supported();
+ /* returns last global enable state */
+ static bool global_enable(bool enable);
+
+private:
+ unsigned m_last_enabled;
+
+ static bool m_enable;
+};
+
+
+}
+
+#endif /* PEXCEPTION_H_ */