mirror of
https://github.com/lifting-bits/mcsema
synced 2026-06-08 15:31:09 +00:00
Peter Goodman
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020 Trail of Bits, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <llvm/IR/IRBuilder.h>
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#include <cstdint>
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#include <list>
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#include <vector>
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#include "mcsema/CFG/CFG.h"
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namespace llvm {
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class BasicBlock;
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class Constant;
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class ConstantInt;
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class Instruction;
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class IntegerType;
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class LLVMContext;
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class Module;
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} // namespace llvm
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namespace mcsema {
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struct NativeSegment;
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extern std::shared_ptr<llvm::LLVMContext> gContext;
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extern llvm::IntegerType *gWordType;
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extern std::unique_ptr<llvm::Module> gModule;
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extern llvm::Constant *gZero;
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extern uint64_t gWordMask;
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llvm::Value *GetConstantInt(unsigned size, uint64_t value);
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// Get a lifted representation of a reference (in code) to `ea`.
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llvm::Constant *LiftXrefInCode(uint64_t ea);
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// Get a lifted representation of a reference (in data) to `ea`.
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llvm::Constant *LiftXrefInData(const NativeSegment *cfg_seg, uint64_t ea,
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bool cast_to_int = true);
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// Create a global register state pointer to pass to lifted functions.
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llvm::Constant *GetStatePointer(void);
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// Return the address of the base of the TLS data.
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llvm::Value *GetTLSBaseAddress(llvm::IRBuilder<> &ir);
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} // namespace mcsema
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