[Orc] Rename OrcTargetSupport to OrcArchitectureSupport to avoid confusion with

[oota-llvm.git] / include / llvm / ExecutionEngine / Orc / OrcTargetSupport.h

diff --git a/include/llvm/ExecutionEngine/Orc/OrcTargetSupport.h b/include/llvm/ExecutionEngine/Orc/OrcTargetSupport.h
deleted file mode 100644 (file)
index 246d3e0..0000000
--- a/include/llvm/ExecutionEngine/Orc/OrcTargetSupport.h
+++ /dev/null
@@ -1,103 +0,0 @@
-//===-- OrcTargetSupport.h - Code to support specific targets  --*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Target specific code for Orc, e.g. callback assembly.
-//
-// Target classes should be part of the JIT *target* process, not the host
-// process (except where you're doing hosted JITing and the two are one and the
-// same).
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H
-#define LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H
-
-#include "IndirectionUtils.h"
-#include "llvm/Support/Memory.h"
-
-namespace llvm {
-namespace orc {
-
-class OrcX86_64 {
-public:
-  static const unsigned PageSize = 4096;
-  static const unsigned PointerSize = 8;
-  static const unsigned TrampolineSize = 8;
-  static const unsigned ResolverCodeSize = 0x78;
-
-  typedef TargetAddress (*JITReentryFn)(void *CallbackMgr,
-                                        void *TrampolineId);
-
-  /// @brief Write the resolver code into the given memory. The user is be
-  ///        responsible for allocating the memory and setting permissions.
-  static void writeResolverCode(uint8_t *ResolveMem, JITReentryFn Reentry,
-                                void *CallbackMgr);
-
-  /// @brief Write the requsted number of trampolines into the given memory,
-  ///        which must be big enough to hold 1 pointer, plus NumTrampolines
-  ///        trampolines.
-  static void writeTrampolines(uint8_t *TrampolineMem, void *ResolverAddr,
-                               unsigned NumTrampolines);
-
-  /// @brief Provide information about stub blocks generated by the
-  ///        makeIndirectStubsBlock function.
-  class IndirectStubsInfo {
-    friend class OrcX86_64;
-  public:
-    const static unsigned StubSize = 8;
-    const static unsigned PtrSize = 8;
-
-    IndirectStubsInfo() : NumStubs(0) {}
-    IndirectStubsInfo(IndirectStubsInfo &&Other)
-        : NumStubs(Other.NumStubs), StubsMem(std::move(Other.StubsMem)) {
-      Other.NumStubs = 0;
-    }
-    IndirectStubsInfo& operator=(IndirectStubsInfo &&Other) {
-      NumStubs = Other.NumStubs;
-      Other.NumStubs = 0;
-      StubsMem = std::move(Other.StubsMem);
-      return *this;
-    }
-
-    /// @brief Number of stubs in this block.
-    unsigned getNumStubs() const { return NumStubs; }
-
-    /// @brief Get a pointer to the stub at the given index, which must be in
-    ///        the range 0 .. getNumStubs() - 1.
-    void* getStub(unsigned Idx) const {
-      return static_cast<uint64_t*>(StubsMem.base()) + Idx;
-    }
-
-    /// @brief Get a pointer to the implementation-pointer at the given index,
-    ///        which must be in the range 0 .. getNumStubs() - 1.
-    void** getPtr(unsigned Idx) const {
-      char *PtrsBase =
-        static_cast<char*>(StubsMem.base()) + NumStubs * StubSize;
-      return reinterpret_cast<void**>(PtrsBase) + Idx;
-    }
-  private:
-    unsigned NumStubs;
-    sys::OwningMemoryBlock StubsMem;
-  };
-
-  /// @brief Emit at least MinStubs worth of indirect call stubs, rounded out to
-  ///        the nearest page size.
-  ///
-  ///   E.g. Asking for 4 stubs on x86-64, where stubs are 8-bytes, with 4k
-  /// pages will return a block of 512 stubs (4096 / 8 = 512). Asking for 513
-  /// will return a block of 1024 (2-pages worth).
-  static std::error_code emitIndirectStubsBlock(IndirectStubsInfo &StubsInfo,
-                                                unsigned MinStubs,
-                                                void *InitialPtrVal);
-};
-
-} // End namespace orc.
-} // End namespace llvm.
-
-#endif // LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H