mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
f562d0373f
This commit ensure the BaseAddress is propagate as appropriate to all levels of the importers and that it is ignored for executables (non-PIC). This was a recurring source of importing the same function twice, once relocated, once not.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#pragma once
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include <cstdint>
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#include "llvm/ADT/ArrayRef.h"
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#include "revng/Model/Architecture.h"
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#include "revng/Support/Debug.h"
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#include "revng/Support/MetaAddress.h"
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class BinaryImporterHelper {
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protected:
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model::Architecture::Values Architecture = model::Architecture::Invalid;
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uint64_t BaseAddress = 0;
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public:
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BinaryImporterHelper(model::Architecture::Values Architecture,
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uint64_t BaseAddress) :
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Architecture(Architecture), BaseAddress(BaseAddress) {}
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public:
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MetaAddress relocate(MetaAddress Address) const {
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return Address += BaseAddress;
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}
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MetaAddress relocate(uint64_t Address) const {
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return relocate(fromGeneric(Address));
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}
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MetaAddress fromPC(uint64_t PC) const {
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using namespace model::Architecture;
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revng_assert(Architecture != Invalid);
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return MetaAddress::fromPC(toLLVMArchitecture(Architecture), PC);
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}
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MetaAddress fromGeneric(uint64_t Address) const {
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using namespace model::Architecture;
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revng_assert(Architecture != Invalid);
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return MetaAddress::fromGeneric(toLLVMArchitecture(Architecture), Address);
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}
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public:
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static uint64_t u64(uint64_t Value) { return Value; }
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};
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