123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
//===- llvm/unittest/DebugInfo/DWARFDebugFrameTest.cpp --------------------===//
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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/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/DebugInfo/DWARF/DWARFDebugFrame.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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dwarf::CIE createCIE(bool IsDWARF64, uint64_t Offset, uint64_t Length) {
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return dwarf::CIE(IsDWARF64, Offset, Length,
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/*Version=*/3,
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/*Augmentation=*/StringRef(),
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/*AddressSize=*/8,
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/*SegmentDescriptorSize=*/0,
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/*CodeAlignmentFactor=*/1,
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/*DataAlignmentFactor=*/-8,
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/*ReturnAddressRegister=*/16,
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/*AugmentationData=*/StringRef(),
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/*FDEPointerEncoding=*/dwarf::DW_EH_PE_absptr,
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/*LSDAPointerEncoding=*/dwarf::DW_EH_PE_omit,
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/*Personality=*/None,
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/*PersonalityEnc=*/None,
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/*Arch=*/Triple::x86_64);
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}
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void expectDumpResult(const dwarf::CIE &TestCIE, bool IsEH,
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StringRef ExpectedFirstLine) {
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std::string Output;
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raw_string_ostream OS(Output);
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TestCIE.dump(OS, /*MRI=*/nullptr, IsEH);
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OS.flush();
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StringRef FirstLine = StringRef(Output).split('\n').first;
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EXPECT_EQ(FirstLine, ExpectedFirstLine);
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}
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void expectDumpResult(const dwarf::FDE &TestFDE, bool IsEH,
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StringRef ExpectedFirstLine) {
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std::string Output;
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raw_string_ostream OS(Output);
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TestFDE.dump(OS, /*MRI=*/nullptr, IsEH);
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OS.flush();
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StringRef FirstLine = StringRef(Output).split('\n').first;
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EXPECT_EQ(FirstLine, ExpectedFirstLine);
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}
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TEST(DWARFDebugFrame, DumpDWARF32CIE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/false,
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/*Offset=*/0x1111abcd,
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/*Length=*/0x2222abcd);
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expectDumpResult(TestCIE, /*IsEH=*/false, "1111abcd 2222abcd ffffffff CIE");
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}
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TEST(DWARFDebugFrame, DumpDWARF64CIE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/true,
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/*Offset=*/0x1111abcdabcd,
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/*Length=*/0x2222abcdabcd);
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expectDumpResult(TestCIE, /*IsEH=*/false,
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"1111abcdabcd 00002222abcdabcd ffffffffffffffff CIE");
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}
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TEST(DWARFDebugFrame, DumpEHCIE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/false,
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/*Offset=*/0x1000,
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/*Length=*/0x20);
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expectDumpResult(TestCIE, /*IsEH=*/true, "00001000 00000020 00000000 CIE");
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}
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TEST(DWARFDebugFrame, DumpEH64CIE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/true,
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/*Offset=*/0x1000,
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/*Length=*/0x20);
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expectDumpResult(TestCIE, /*IsEH=*/true,
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"00001000 0000000000000020 00000000 CIE");
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}
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TEST(DWARFDebugFrame, DumpDWARF64FDE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/true,
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/*Offset=*/0x1111abcdabcd,
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/*Length=*/0x2222abcdabcd);
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dwarf::FDE TestFDE(/*IsDWARF64=*/true,
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/*Offset=*/0x3333abcdabcd,
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/*Length=*/0x4444abcdabcd,
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/*CIEPointer=*/0x1111abcdabcd,
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/*InitialLocation=*/0x5555abcdabcd,
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/*AddressRange=*/0x111111111111,
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/*Cie=*/&TestCIE,
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/*LSDAAddress=*/None,
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/*Arch=*/Triple::x86_64);
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expectDumpResult(TestFDE, /*IsEH=*/false,
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"3333abcdabcd 00004444abcdabcd 00001111abcdabcd FDE "
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"cie=1111abcdabcd pc=5555abcdabcd...6666bcdebcde");
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}
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TEST(DWARFDebugFrame, DumpEH64FDE) {
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dwarf::CIE TestCIE = createCIE(/*IsDWARF64=*/true,
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/*Offset=*/0x1111ab9a000c,
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/*Length=*/0x20);
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dwarf::FDE TestFDE(/*IsDWARF64=*/true,
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/*Offset=*/0x1111abcdabcd,
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/*Length=*/0x2222abcdabcd,
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/*CIEPointer=*/0x33abcd,
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/*InitialLocation=*/0x4444abcdabcd,
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/*AddressRange=*/0x111111111111,
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/*Cie=*/&TestCIE,
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/*LSDAAddress=*/None,
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/*Arch=*/Triple::x86_64);
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expectDumpResult(TestFDE, /*IsEH=*/true,
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"1111abcdabcd 00002222abcdabcd 0033abcd FDE "
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"cie=1111ab9a000c pc=4444abcdabcd...5555bcdebcde");
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}
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} // end anonymous namespace
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