1 //===-------- ObjectLinkingLayerTest.cpp - ObjectLinkingLayer tests -------===//
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/JITLink/JITLink.h"
11 #include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
12 #include "llvm/ExecutionEngine/JITLink/x86_64.h"
13 #include "llvm/Testing/Support/Error.h"
14 #include "gtest/gtest.h"
15 
16 using namespace llvm;
17 using namespace llvm::jitlink;
18 using namespace llvm::orc;
19 
20 namespace {
21 
22 auto RWFlags =
23     sys::Memory::ProtectionFlags(sys::Memory::MF_READ | sys::Memory::MF_WRITE);
24 
25 const char BlockContentBytes[] = {0x01, 0x02, 0x03, 0x04,
26                                   0x05, 0x06, 0x07, 0x08};
27 
28 ArrayRef<char> BlockContent(BlockContentBytes);
29 
30 class ObjectLinkingLayerTest : public testing::Test {
31 public:
~ObjectLinkingLayerTest()32   ~ObjectLinkingLayerTest() {
33     if (auto Err = ES.endSession())
34       ES.reportError(std::move(Err));
35   }
36 
37 protected:
38   ExecutionSession ES{std::make_unique<UnsupportedExecutorProcessControl>()};
39   JITDylib &JD = ES.createBareJITDylib("main");
40   ObjectLinkingLayer ObjLinkingLayer{
41       ES, std::make_unique<InProcessMemoryManager>()};
42 };
43 
TEST_F(ObjectLinkingLayerTest,AddLinkGraph)44 TEST_F(ObjectLinkingLayerTest, AddLinkGraph) {
45   auto G =
46       std::make_unique<LinkGraph>("foo", Triple("x86_64-apple-darwin"), 8,
47                                   support::little, x86_64::getEdgeKindName);
48 
49   auto &Sec1 = G->createSection("__data", RWFlags);
50   auto &B1 = G->createContentBlock(Sec1, BlockContent, 0x1000, 8, 0);
51   G->addDefinedSymbol(B1, 4, "_X", 4, Linkage::Strong, Scope::Default, false,
52                       false);
53 
54   EXPECT_THAT_ERROR(ObjLinkingLayer.add(JD, std::move(G)), Succeeded());
55 
56   EXPECT_THAT_EXPECTED(ES.lookup(&JD, "_X"), Succeeded());
57 }
58 
59 } // end anonymous namespace
60