1 files changed, 61 insertions, 0 deletions
diff --git a/include/llvm/MC/MCAsmLayout.h b/include/llvm/MC/MCAsmLayout.h
index 27bdbe9..ebf0520 100644
--- a/include/llvm/MC/MCAsmLayout.h
+++ b/include/llvm/MC/MCAsmLayout.h
@@ -12,6 +12,9 @@
 
 namespace llvm {
 class MCAssembler;
+class MCFragment;
+class MCSectionData;
+class MCSymbolData;
 
 /// Encapsulates the layout of an assembly file at a particular point in time.
 ///
@@ -29,6 +32,64 @@ public:
 
   /// Get the assembler object this is a layout for.
   MCAssembler &getAssembler() const { return Assembler; }
+
+  /// \brief Update the layout because a fragment has been resized. The
+  /// fragments size should have already been updated, the \arg SlideAmount is
+  /// the delta from the old size.
+  void UpdateForSlide(MCFragment *F, int SlideAmount);
+
+  /// @name Fragment Layout Data
+  /// @{
+
+  /// \brief Get the effective size of the given fragment, as computed in the
+  /// current layout.
+  uint64_t getFragmentEffectiveSize(const MCFragment *F) const;
+
+  /// \brief Set the effective size of the given fragment.
+  void setFragmentEffectiveSize(MCFragment *F, uint64_t Value);
+
+  /// \brief Get the offset of the given fragment inside its containing section.
+  uint64_t getFragmentOffset(const MCFragment *F) const;
+
+  /// \brief Set the offset of the given fragment inside its containing section.
+  void setFragmentOffset(MCFragment *F, uint64_t Value);
+
+  /// @}
+  /// @name Section Layout Data
+  /// @{
+
+  /// \brief Get the computed address of the given section.
+  uint64_t getSectionAddress(const MCSectionData *SD) const;
+
+  /// \brief Set the computed address of the given section.
+  void setSectionAddress(MCSectionData *SD, uint64_t Value);
+
+  /// \brief Get the data size of the given section, as emitted to the object
+  /// file. This may include additional padding, or be 0 for virtual sections.
+  uint64_t getSectionFileSize(const MCSectionData *SD) const;
+
+  /// \brief Set the data size of the given section.
+  void setSectionFileSize(MCSectionData *SD, uint64_t Value);
+
+  /// \brief Get the actual data size of the given section.
+  uint64_t getSectionSize(const MCSectionData *SD) const;
+
+  /// \brief Set the actual data size of the given section.
+  void setSectionSize(MCSectionData *SD, uint64_t Value);
+
+  /// @}
+  /// @name Utility Functions
+  /// @{
+
+  /// \brief Get the address of the given fragment, as computed in the current
+  /// layout.
+  uint64_t getFragmentAddress(const MCFragment *F) const;
+
+  /// \brief Get the address of the given symbol, as computed in the current
+  /// layout.
+  uint64_t getSymbolAddress(const MCSymbolData *SD) const;
+
+  /// @}
 };
 
 } // end namespace llvm