ubgpsuite/lonetix/bgp/vm_cdef.h

34 lines
752 B
C

// SPDX-License-Identifier: LGPL-3.0-or-later
/**
* \file bgp/vm_cdef.c
*
* Portable implementation for BGP VM execution loop
*
* \copyright The DoubleFourteen Code Forge (C) All Rights Reserved
* \author Lorenzo Cogotti
*
* Plain C switch based FETCH-DECODE-DISPATCH-EXECUTE BGP filtering
* engine VM implementation
*
* \note File should be `#include`d by bgp/vm.c
*/
#ifdef DF_BGP_VMDEF_H_
#error "Only one vm_<impl>def.h file may be #include-d"
#endif
#define DF_BGP_VMDEF_H_
#define LIKELY
#define UNLIKELY
#define FETCH(ir, vm) (ir = (vm)->prog[(vm)->pc++])
#define EXPECT(opcode, ir, vm) ((void) 0)
#define DISPATCH(opcode) switch (opcode)
#define EXECUTE(opcode) case BGP_VMOP_ ## opcode
#define EXECUTE_SIGILL default