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