56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
//===--- GlobalMappingLayerTest.cpp - Unit test the global mapping layer --===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/GlobalMappingLayer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace llvm::orc;
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namespace {
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struct MockBaseLayer {
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typedef int ModuleSetHandleT;
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JITSymbol findSymbol(const std::string &Name, bool ExportedSymbolsOnly) {
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if (Name == "bar")
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return llvm::orc::JITSymbol(0x4567, JITSymbolFlags::Exported);
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return nullptr;
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}
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};
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TEST(GlobalMappingLayerTest, Empty) {
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MockBaseLayer M;
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GlobalMappingLayer<MockBaseLayer> L(M);
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// Test fall-through for missing symbol.
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auto FooSym = L.findSymbol("foo", true);
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EXPECT_FALSE(FooSym) << "Found unexpected symbol.";
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// Test fall-through for symbol in base layer.
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auto BarSym = L.findSymbol("bar", true);
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EXPECT_EQ(BarSym.getAddress(), static_cast<TargetAddress>(0x4567))
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<< "Symbol lookup fall-through failed.";
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// Test setup of a global mapping.
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L.setGlobalMapping("foo", 0x0123);
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auto FooSym2 = L.findSymbol("foo", true);
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EXPECT_EQ(FooSym2.getAddress(), static_cast<TargetAddress>(0x0123))
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<< "Symbol mapping setup failed.";
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// Test removal of a global mapping.
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L.eraseGlobalMapping("foo");
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auto FooSym3 = L.findSymbol("foo", true);
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EXPECT_FALSE(FooSym3) << "Symbol mapping removal failed.";
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}
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}
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