mirror of
https://github.com/lifting-bits/mcsema
synced 2026-06-08 15:31:09 +00:00
Peter Goodman
b0f7790f43
* Adds sparc support; formats files * Update the readme and walkthrough * Minor tweaks to readme/walkthrough * Update ci.yml
75 lines
2.3 KiB
C++
75 lines
2.3 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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#include "mcsema/Arch/Arch.h"
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wsign-conversion"
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#pragma clang diagnostic ignored "-Wconversion"
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#pragma clang diagnostic ignored "-Wold-style-cast"
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#pragma clang diagnostic ignored "-Wdocumentation"
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#pragma clang diagnostic ignored "-Wswitch-enum"
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#include <glog/logging.h>
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#include <llvm/ADT/ArrayRef.h>
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#include <llvm/IR/BasicBlock.h>
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#include <llvm/IR/Constants.h>
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#include <llvm/IR/Function.h>
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#include <llvm/IR/Instruction.h>
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#include <llvm/IR/Instructions.h>
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#include <llvm/IR/Module.h>
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#include <llvm/IR/Type.h>
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#include <llvm/Support/TargetRegistry.h>
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#include <llvm/Support/TargetSelect.h>
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#include <llvm/Support/raw_ostream.h>
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#pragma clang diagnostic pop
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#include <remill/Arch/Arch.h>
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#include <remill/Arch/Name.h>
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#include <remill/OS/OS.h>
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#include <unordered_set>
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#include "mcsema/BC/Util.h"
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namespace mcsema {
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extern std::shared_ptr<llvm::LLVMContext> gContext;
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std::unique_ptr<const remill::Arch> gArch(nullptr);
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bool InitArch(const std::string &os, const std::string &arch) {
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LOG(INFO) << "Initializing for " << arch << " code on " << os;
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auto os_name = remill::GetOSName(os);
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auto arch_name = remill::GetArchName(arch);
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remill::Arch::Build(gContext.get(), os_name, arch_name).swap(gArch);
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gWordType = llvm::Type::getIntNTy(*gContext,
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static_cast<unsigned>(gArch->address_size));
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gWordMask = 0;
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if (32 == gArch->address_size) {
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gWordMask = static_cast<uint32_t>(~0u);
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} else {
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gWordMask = ~gWordMask;
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}
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return true;
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}
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} // namespace mcsema
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