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98 lines
3.6 KiB
98 lines
3.6 KiB
// Copyright (c) 2022, _xeroxz
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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#pragma once
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#include <map>
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#include <string>
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#include <vector>
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#include <spdlog/spdlog.h>
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#include <decomp/symbol.hpp>
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#define XED_ENCODER
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extern "C" {
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#include <xed-decode.h>
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#include <xed-interface.h>
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}
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#define INSTR_SPLIT_SECTION_NAME ".obf"
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namespace theo::decomp {
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/// <summary>
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/// the routine class which is responsible for creating symbols for routines. if
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/// the routine is located inside a section with the name ".split" it will break
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/// functions into instruction symbols.
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/// </summary>
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class routine_t {
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public:
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/// <summary>
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/// the explicit constructor for routine_t.
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/// </summary>
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/// <param name="sym">the coff symbol for the routine.</param>
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/// <param name="img">the coff image which contains the symbol.</param>
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/// <param name="scn">the section header of the section that contains the
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/// symbol.</param>
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/// <param name="fn">the data (bytes) of the function.</param>
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/// <param name="dcmp_type">the type of decomp to do. if this is
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/// sym_type_t::function then this class wont split the function up into
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/// individual instructions.</param>
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explicit routine_t(coff::symbol_t* sym,
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coff::image_t* img,
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coff::section_header_t* scn,
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std::vector<std::uint8_t>& fn,
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sym_type_t dcmp_type);
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/// <summary>
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/// decompose the function into symbol(s).
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/// </summary>
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/// <returns>symbol(s) of the function.</returns>
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std::vector<decomp::symbol_t> decompose();
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/// <summary>
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/// gets the section header of the section in which the symbol is located in.
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/// </summary>
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/// <returns>the section header of the section in which the symbol is located
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/// in.</returns>
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coff::section_header_t* scn();
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/// <summary>
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/// gets the function bytes.
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/// </summary>
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/// <returns>the function bytes.</returns>
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std::vector<std::uint8_t> data();
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private:
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coff::symbol_t* m_sym;
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std::vector<std::uint8_t> m_data;
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coff::image_t* m_img;
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coff::section_header_t* m_scn;
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sym_type_t m_dcmp_type;
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};
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} // namespace theo::decomp
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