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63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//===--- GlobalMappingLayerTest.cpp - Unit test the global mapping layer --===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/GlobalMappingLayer.h"
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#include "OrcTestCommon.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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TEST(GlobalMappingLayerTest, Empty) {
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MockBaseLayer<int, std::shared_ptr<Module>> TestBaseLayer;
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TestBaseLayer.addModuleImpl =
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[](std::shared_ptr<Module> M, std::shared_ptr<JITSymbolResolver> R) {
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return 42;
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};
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TestBaseLayer.findSymbolImpl =
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[](const std::string &Name, bool ExportedSymbolsOnly) -> JITSymbol {
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if (Name == "bar")
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return llvm::JITSymbol(0x4567, JITSymbolFlags::Exported);
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return nullptr;
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};
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GlobalMappingLayer<decltype(TestBaseLayer)> L(TestBaseLayer);
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// Test addModule interface.
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int H = cantFail(L.addModule(nullptr, nullptr));
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EXPECT_EQ(H, 42) << "Incorrect result from addModule";
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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(cantFail(BarSym.getAddress()),
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static_cast<JITTargetAddress>(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(cantFail(FooSym2.getAddress()),
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static_cast<JITTargetAddress>(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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