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