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  1. //===--- MachO_x86_64.h - JIT link functions for MachO/x86-64 ---*- 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. // jit-link functions for MachO/x86-64.
  10. //
  11. //===----------------------------------------------------------------------===//
  12.  
  13. #ifndef LLVM_EXECUTIONENGINE_JITLINK_MACHO_X86_64_H
  14. #define LLVM_EXECUTIONENGINE_JITLINK_MACHO_X86_64_H
  15.  
  16. #include "llvm/ExecutionEngine/JITLink/JITLink.h"
  17.  
  18. namespace llvm {
  19. namespace jitlink {
  20.  
  21. /// Create a LinkGraph from a MachO/x86-64 relocatable object.
  22. ///
  23. /// Note: The graph does not take ownership of the underlying buffer, nor copy
  24. /// its contents. The caller is responsible for ensuring that the object buffer
  25. /// outlives the graph.
  26. Expected<std::unique_ptr<LinkGraph>>
  27. createLinkGraphFromMachOObject_x86_64(MemoryBufferRef ObjectBuffer);
  28.  
  29. /// jit-link the given LinkGraph.
  30. ///
  31. /// If PrePrunePasses is empty then a default mark-live pass will be inserted
  32. /// that will mark all exported atoms live. If PrePrunePasses is not empty, the
  33. /// caller is responsible for including a pass to mark atoms as live.
  34. ///
  35. /// If PostPrunePasses is empty then a default GOT-and-stubs insertion pass will
  36. /// be inserted. If PostPrunePasses is not empty then the caller is responsible
  37. /// for including a pass to insert GOT and stub edges.
  38. void link_MachO_x86_64(std::unique_ptr<LinkGraph> G,
  39.                        std::unique_ptr<JITLinkContext> Ctx);
  40.  
  41. /// Returns a pass suitable for splitting __eh_frame sections in MachO/x86-64
  42. /// objects.
  43. LinkGraphPassFunction createEHFrameSplitterPass_MachO_x86_64();
  44.  
  45. /// Returns a pass suitable for fixing missing edges in an __eh_frame section
  46. /// in a MachO/x86-64 object.
  47. LinkGraphPassFunction createEHFrameEdgeFixerPass_MachO_x86_64();
  48.  
  49. } // end namespace jitlink
  50. } // end namespace llvm
  51.  
  52. #endif // LLVM_EXECUTIONENGINE_JITLINK_MACHO_X86_64_H
  53.