85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
//===--- unittests/CodeGen/TestAsmPrinter.h ---------------------*- C++ -*-===//
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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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#ifndef LLVM_UNITTESTS_CODEGEN_TESTASMPRINTER_H
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#define LLVM_UNITTESTS_CODEGEN_TESTASMPRINTER_H
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/MC/MCStreamer.h"
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#include "gmock/gmock.h"
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#include <memory>
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namespace llvm {
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class AsmPrinter;
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class MCContext;
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class Target;
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class TargetMachine;
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class MockMCStreamer : public MCStreamer {
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public:
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explicit MockMCStreamer(MCContext *Ctx);
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~MockMCStreamer();
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// These methods are pure virtual in MCStreamer, thus, have to be overridden:
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MOCK_METHOD2(emitSymbolAttribute,
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bool(MCSymbol *Symbol, MCSymbolAttr Attribute));
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MOCK_METHOD3(emitCommonSymbol,
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void(MCSymbol *Symbol, uint64_t Size, unsigned ByteAlignment));
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MOCK_METHOD5(emitZerofill,
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void(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
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unsigned ByteAlignment, SMLoc Loc));
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// The following are mock methods to be used in tests.
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MOCK_METHOD2(emitLabel, void(MCSymbol *Symbol, SMLoc Loc));
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MOCK_METHOD2(emitIntValue, void(uint64_t Value, unsigned Size));
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MOCK_METHOD3(emitValueImpl,
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void(const MCExpr *Value, unsigned Size, SMLoc Loc));
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MOCK_METHOD3(emitAbsoluteSymbolDiff,
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void(const MCSymbol *Hi, const MCSymbol *Lo, unsigned Size));
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MOCK_METHOD2(emitCOFFSecRel32, void(MCSymbol const *Symbol, uint64_t Offset));
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};
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class TestAsmPrinter {
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std::unique_ptr<MCContext> MC;
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MockMCStreamer *MS = nullptr; // Owned by AsmPrinter
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std::unique_ptr<TargetMachine> TM;
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std::unique_ptr<AsmPrinter> Asm;
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/// Private constructor; call TestAsmPrinter::create(...)
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/// to create an instance.
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TestAsmPrinter();
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/// Initialize an AsmPrinter instance with a mocked MCStreamer.
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llvm::Error init(const Target *TheTarget, StringRef TripleStr,
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uint16_t DwarfVersion, dwarf::DwarfFormat DwarfFormat);
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public:
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/// Create an AsmPrinter and accompanied objects.
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/// Returns ErrorSuccess() with an empty value if the requested target is not
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/// supported so that the corresponding test can be gracefully skipped.
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static llvm::Expected<std::unique_ptr<TestAsmPrinter>>
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create(const std::string &TripleStr, uint16_t DwarfVersion,
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dwarf::DwarfFormat DwarfFormat);
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~TestAsmPrinter();
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void setDwarfUsesRelocationsAcrossSections(bool Enable);
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AsmPrinter *getAP() const { return Asm.get(); }
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AsmPrinter *releaseAP() { return Asm.release(); }
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MCContext &getCtx() const { return *MC; }
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MockMCStreamer &getMS() const { return *MS; }
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};
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} // end namespace llvm
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#endif // LLVM_UNITTESTS_CODEGEN_TESTASMPRINTER_H
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