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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//
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// Kernel.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 31/12/2017.
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// Copyright 2017 Thomas Harte. All rights reserved.
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//
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#ifndef Kernel_hpp
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#define Kernel_hpp
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namespace Analyser::Static::Disassembly {
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template <typename D, typename S> struct PartialDisassembly {
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D disassembly;
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std::vector<S> remaining_entry_points;
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};
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template <typename D, typename S, typename Disassembler> D Disassemble(
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const std::vector<uint8_t> &memory,
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const std::function<std::size_t(S)> &address_mapper,
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std::vector<S> entry_points) {
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PartialDisassembly<D, S> partial_disassembly;
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partial_disassembly.remaining_entry_points = entry_points;
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while(!partial_disassembly.remaining_entry_points.empty()) {
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// pull the next entry point from the back of the vector
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S next_entry_point = partial_disassembly.remaining_entry_points.back();
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partial_disassembly.remaining_entry_points.pop_back();
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// if that address has already been visited, forget about it
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if( partial_disassembly.disassembly.instructions_by_address.find(next_entry_point)
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!= partial_disassembly.disassembly.instructions_by_address.end()) continue;
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// if it's outgoing, log it as such and forget about it; otherwise disassemble
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std::size_t mapped_entry_point = address_mapper(next_entry_point);
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if(mapped_entry_point >= memory.size())
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partial_disassembly.disassembly.outward_calls.insert(next_entry_point);
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else
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Disassembler::AddToDisassembly(partial_disassembly, memory, address_mapper, next_entry_point);
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}
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return partial_disassembly.disassembly;
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}
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}
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#endif /* Kernel_hpp */
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