1//===-- OrcTargetSupport.h - Code to support specific targets --*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// Target specific code for Orc, e.g. callback assembly. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H 15#define LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H 16 17#include "IndirectionUtils.h" 18 19namespace llvm { 20namespace orc { 21 22class OrcX86_64 { 23public: 24 static const char *ResolverBlockName; 25 26 /// @brief Insert module-level inline callback asm into module M for the 27 /// symbols managed by JITResolveCallbackHandler J. 28 static void insertResolverBlock(Module &M, 29 JITCompileCallbackManagerBase &JCBM); 30 31 /// @brief Get a label name from the given index. 32 typedef std::function<std::string(unsigned)> LabelNameFtor; 33 34 /// @brief Insert the requested number of trampolines into the given module. 35 /// @param M Module to insert the call block into. 36 /// @param NumCalls Number of calls to create in the call block. 37 /// @param StartIndex Optional argument specifying the index suffix to start 38 /// with. 39 /// @return A functor that provides the symbol name for each entry in the call 40 /// block. 41 /// 42 static LabelNameFtor insertCompileCallbackTrampolines( 43 Module &M, 44 TargetAddress TrampolineAddr, 45 unsigned NumCalls, 46 unsigned StartIndex = 0); 47 48}; 49 50} // End namespace orc. 51} // End namespace llvm. 52 53#endif // LLVM_EXECUTIONENGINE_ORC_ORCTARGETSUPPORT_H 54