Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | //===- Linker.h - Module Linker Interface -----------------------*- C++ -*-===// |
| 2 | // |
||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
||
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
||
| 6 | // |
||
| 7 | //===----------------------------------------------------------------------===// |
||
| 8 | |||
| 9 | #ifndef LLVM_LINKER_LINKER_H |
||
| 10 | #define LLVM_LINKER_LINKER_H |
||
| 11 | |||
| 12 | #include "llvm/ADT/StringSet.h" |
||
| 13 | #include "llvm/Linker/IRMover.h" |
||
| 14 | |||
| 15 | namespace llvm { |
||
| 16 | class Module; |
||
| 17 | |||
| 18 | /// This class provides the core functionality of linking in LLVM. It keeps a |
||
| 19 | /// pointer to the merged module so far. It doesn't take ownership of the |
||
| 20 | /// module since it is assumed that the user of this class will want to do |
||
| 21 | /// something with it after the linking. |
||
| 22 | class Linker { |
||
| 23 | IRMover Mover; |
||
| 24 | |||
| 25 | public: |
||
| 26 | enum Flags { |
||
| 27 | None = 0, |
||
| 28 | OverrideFromSrc = (1 << 0), |
||
| 29 | LinkOnlyNeeded = (1 << 1), |
||
| 30 | }; |
||
| 31 | |||
| 32 | Linker(Module &M); |
||
| 33 | |||
| 34 | /// Link \p Src into the composite. |
||
| 35 | /// |
||
| 36 | /// Passing OverrideSymbols as true will have symbols from Src |
||
| 37 | /// shadow those in the Dest. |
||
| 38 | /// |
||
| 39 | /// Passing InternalizeCallback will have the linker call the function with |
||
| 40 | /// the new module and a list of global value names to be internalized by the |
||
| 41 | /// callback. |
||
| 42 | /// |
||
| 43 | /// Returns true on error. |
||
| 44 | bool linkInModule(std::unique_ptr<Module> Src, unsigned Flags = Flags::None, |
||
| 45 | std::function<void(Module &, const StringSet<> &)> |
||
| 46 | InternalizeCallback = {}); |
||
| 47 | |||
| 48 | static bool linkModules(Module &Dest, std::unique_ptr<Module> Src, |
||
| 49 | unsigned Flags = Flags::None, |
||
| 50 | std::function<void(Module &, const StringSet<> &)> |
||
| 51 | InternalizeCallback = {}); |
||
| 52 | }; |
||
| 53 | |||
| 54 | } // End llvm namespace |
||
| 55 | |||
| 56 | #endif |