llvm/lib/ExecutionEngine/Orc/ObjectLinkingLayer.cpp

   1 //===------- ObjectLinkingLayer.cpp - JITLink backed ORC ObjectLayer ------===//
   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 #include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
  10 #include "llvm/ExecutionEngine/Orc/DebugUtils.h"
  11 #include "llvm/Support/MemoryBuffer.h"
  12
  13 #define DEBUG_TYPE "orc"
  14
  15 namespace llvm::orc {
  16
  17 char ObjectLinkingLayer::ID;
  18
  19 using BaseObjectLayer = RTTIExtends<ObjectLinkingLayer, ObjectLayer>;
  20
  21 void ObjectLinkingLayer::emit(std::unique_ptr<MaterializationResponsibility> R,
  22                               std::unique_ptr<MemoryBuffer> O) {
  23   assert(O && "Object must not be null");
  24   MemoryBufferRef ObjBuffer = O->getMemBufferRef();
  25
  26   if (auto G = jitlink::createLinkGraphFromObject(
  27           ObjBuffer, getExecutionSession().getSymbolStringPool())) {
  28     emit(std::move(R), std::move(*G), std::move(O));
  29   } else {
  30     R->getExecutionSession().reportError(G.takeError());
  31     R->failMaterialization();
  32     return;
  33   }
  34 }
  35
  36 } // namespace llvm::orc