59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
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//===- Linker.h - Module Linker Interface -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LINKER_LINKER_H
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#define LLVM_LINKER_LINKER_H
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#include "llvm/ADT/StringSet.h"
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#include "llvm/Linker/IRMover.h"
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namespace llvm {
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class Module;
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class StructType;
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class Type;
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/// This class provides the core functionality of linking in LLVM. It keeps a
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/// pointer to the merged module so far. It doesn't take ownership of the
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/// module since it is assumed that the user of this class will want to do
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/// something with it after the linking.
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class Linker {
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IRMover Mover;
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public:
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enum Flags {
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None = 0,
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OverrideFromSrc = (1 << 0),
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LinkOnlyNeeded = (1 << 1),
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};
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Linker(Module &M);
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/// Link \p Src into the composite.
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///
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/// Passing OverrideSymbols as true will have symbols from Src
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/// shadow those in the Dest.
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///
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/// Passing InternalizeCallback will have the linker call the function with
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/// the new module and a list of global value names to be internalized by the
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/// callback.
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///
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/// Returns true on error.
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bool linkInModule(std::unique_ptr<Module> Src, unsigned Flags = Flags::None,
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std::function<void(Module &, const StringSet<> &)>
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InternalizeCallback = {});
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static bool linkModules(Module &Dest, std::unique_ptr<Module> Src,
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unsigned Flags = Flags::None,
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std::function<void(Module &, const StringSet<> &)>
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InternalizeCallback = {});
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};
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} // End llvm namespace
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#endif
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