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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
//===- 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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