1 //===- llvm/unittest/DebugInfo/DWARFFormValueTest.cpp ---------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
10 #include "llvm/ADT/ArrayRef.h"
11 #include "llvm/ADT/SmallString.h"
12 #include "llvm/BinaryFormat/Dwarf.h"
13 #include "llvm/Support/FormatVariadic.h"
14 #include "llvm/Support/Host.h"
15 #include "llvm/Support/LEB128.h"
16 #include "gtest/gtest.h"
17 #include <climits>
18 using namespace llvm;
19 using namespace dwarf;
20 
21 namespace {
22 
23 bool isFormClass(dwarf::Form Form, DWARFFormValue::FormClass FC) {
24   return DWARFFormValue(Form).isFormClass(FC);
25 }
26 
27 TEST(DWARFFormValue, FormClass) {
28   EXPECT_TRUE(isFormClass(DW_FORM_addr, DWARFFormValue::FC_Address));
29   EXPECT_FALSE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Address));
30   EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_Constant));
31   EXPECT_TRUE(isFormClass(DW_FORM_data8, DWARFFormValue::FC_SectionOffset));
32   EXPECT_TRUE(
33       isFormClass(DW_FORM_sec_offset, DWARFFormValue::FC_SectionOffset));
34   EXPECT_TRUE(isFormClass(DW_FORM_GNU_str_index, DWARFFormValue::FC_String));
35   EXPECT_TRUE(isFormClass(DW_FORM_GNU_addr_index, DWARFFormValue::FC_Address));
36   EXPECT_FALSE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Address));
37   EXPECT_TRUE(isFormClass(DW_FORM_ref_addr, DWARFFormValue::FC_Reference));
38   EXPECT_TRUE(isFormClass(DW_FORM_ref_sig8, DWARFFormValue::FC_Reference));
39 }
40 
41 template<typename RawTypeT>
42 DWARFFormValue createDataXFormValue(dwarf::Form Form, RawTypeT Value) {
43   char Raw[sizeof(RawTypeT)];
44   memcpy(Raw, &Value, sizeof(RawTypeT));
45   uint64_t Offset = 0;
46   DWARFFormValue Result(Form);
47   DWARFDataExtractor Data(StringRef(Raw, sizeof(RawTypeT)),
48                           sys::IsLittleEndianHost, sizeof(void *));
49   Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32});
50   return Result;
51 }
52 
53 DWARFFormValue createULEBFormValue(uint64_t Value) {
54   SmallString<10> RawData;
55   raw_svector_ostream OS(RawData);
56   encodeULEB128(Value, OS);
57   uint64_t Offset = 0;
58   DWARFFormValue Result(DW_FORM_udata);
59   DWARFDataExtractor Data(OS.str(), sys::IsLittleEndianHost, sizeof(void *));
60   Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32});
61   return Result;
62 }
63 
64 DWARFFormValue createSLEBFormValue(int64_t Value) {
65   SmallString<10> RawData;
66   raw_svector_ostream OS(RawData);
67   encodeSLEB128(Value, OS);
68   uint64_t Offset = 0;
69   DWARFFormValue Result(DW_FORM_sdata);
70   DWARFDataExtractor Data(OS.str(), sys::IsLittleEndianHost, sizeof(void *));
71   Result.extractValue(Data, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32});
72   return Result;
73 }
74 
75 TEST(DWARFFormValue, SignedConstantForms) {
76   // Check that we correctly sign extend fixed size forms.
77   auto Sign1 = createDataXFormValue<uint8_t>(DW_FORM_data1, -123);
78   auto Sign2 = createDataXFormValue<uint16_t>(DW_FORM_data2, -12345);
79   auto Sign4 = createDataXFormValue<uint32_t>(DW_FORM_data4, -123456789);
80   auto Sign8 = createDataXFormValue<uint64_t>(DW_FORM_data8, -1);
81   EXPECT_EQ(Sign1.getAsSignedConstant().getValue(), -123);
82   EXPECT_EQ(Sign2.getAsSignedConstant().getValue(), -12345);
83   EXPECT_EQ(Sign4.getAsSignedConstant().getValue(), -123456789);
84   EXPECT_EQ(Sign8.getAsSignedConstant().getValue(), -1);
85 
86   // Check that we can handle big positive values, but that we return
87   // an error just over the limit.
88   auto UMax = createULEBFormValue(LLONG_MAX);
89   auto TooBig = createULEBFormValue(uint64_t(LLONG_MAX) + 1);
90   EXPECT_EQ(UMax.getAsSignedConstant().getValue(), LLONG_MAX);
91   EXPECT_EQ(TooBig.getAsSignedConstant().hasValue(), false);
92 
93   // Sanity check some other forms.
94   auto Data1 = createDataXFormValue<uint8_t>(DW_FORM_data1, 120);
95   auto Data2 = createDataXFormValue<uint16_t>(DW_FORM_data2, 32000);
96   auto Data4 = createDataXFormValue<uint32_t>(DW_FORM_data4, 2000000000);
97   auto Data8 = createDataXFormValue<uint64_t>(DW_FORM_data8, 0x1234567812345678LL);
98   auto LEBMin = createSLEBFormValue(LLONG_MIN);
99   auto LEBMax = createSLEBFormValue(LLONG_MAX);
100   auto LEB1 = createSLEBFormValue(-42);
101   auto LEB2 = createSLEBFormValue(42);
102   EXPECT_EQ(Data1.getAsSignedConstant().getValue(), 120);
103   EXPECT_EQ(Data2.getAsSignedConstant().getValue(), 32000);
104   EXPECT_EQ(Data4.getAsSignedConstant().getValue(), 2000000000);
105   EXPECT_EQ(Data8.getAsSignedConstant().getValue(), 0x1234567812345678LL);
106   EXPECT_EQ(LEBMin.getAsSignedConstant().getValue(), LLONG_MIN);
107   EXPECT_EQ(LEBMax.getAsSignedConstant().getValue(), LLONG_MAX);
108   EXPECT_EQ(LEB1.getAsSignedConstant().getValue(), -42);
109   EXPECT_EQ(LEB2.getAsSignedConstant().getValue(), 42);
110 
111   // Data16 is a little tricky.
112   char Cksum[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
113   DWARFFormValue Data16(DW_FORM_data16);
114   DWARFDataExtractor DE16(StringRef(Cksum, 16), sys::IsLittleEndianHost,
115                           sizeof(void *));
116   uint64_t Offset = 0;
117   Data16.extractValue(DE16, &Offset, {0, 0, dwarf::DwarfFormat::DWARF32});
118   SmallString<32> Str;
119   raw_svector_ostream Res(Str);
120   Data16.dump(Res, DIDumpOptions());
121   EXPECT_EQ(memcmp(Str.data(), "000102030405060708090a0b0c0d0e0f", 32), 0);
122 }
123 
124 using ParamType = std::tuple<Form, uint16_t, uint8_t, DwarfFormat,
125                              ArrayRef<uint8_t>, uint64_t, bool>;
126 
127 struct FormSkipValueFixtureBase : public testing::TestWithParam<ParamType> {
128   void SetUp() override {
129     std::tie(Fm, Version, AddrSize, Dwarf, InitialData, ExpectedSkipped,
130              ExpectedResult) = GetParam();
131   }
132 
133   void doSkipValueTest() {
134     SCOPED_TRACE("Inputs: Form = " + std::to_string(Fm) +
135                  ", Version = " + std::to_string(Version) +
136                  ", AddrSize = " + std::to_string(uint32_t(AddrSize)) +
137                  ", DwarfFormat = " + std::to_string(Dwarf));
138     std::vector<uint8_t> Buf(InitialData.data(),
139                              InitialData.data() + InitialData.size());
140     // The data extractor only adjusts the offset to the end of the buffer when
141     // attempting to read past the end, so the buffer must be bigger than the
142     // expected amount to be skipped to identify cases where more data than
143     // expected is skipped.
144     Buf.resize(ExpectedSkipped + 1);
145     DWARFDataExtractor Data(Buf, sys::IsLittleEndianHost, AddrSize);
146     uint64_t Offset = 0;
147     EXPECT_EQ(DWARFFormValue::skipValue(Fm, Data, &Offset,
148                                         {Version, AddrSize, Dwarf}),
149               ExpectedResult);
150     EXPECT_EQ(Offset, ExpectedSkipped);
151   }
152 
153   Form Fm;
154   uint16_t Version;
155   uint8_t AddrSize;
156   DwarfFormat Dwarf;
157   ArrayRef<uint8_t> InitialData;
158   uint64_t ExpectedSkipped;
159   bool ExpectedResult;
160 };
161 
162 template <typename T> static ArrayRef<uint8_t> toBytes(const T &Input) {
163   return ArrayRef<uint8_t>(reinterpret_cast<const uint8_t *>(&Input),
164                            sizeof(Input));
165 }
166 
167 const uint8_t LEBData[] = {0x80, 0x1};
168 ArrayRef<uint8_t> SampleLEB(LEBData, sizeof(LEBData));
169 const uint8_t SampleLength8 = 0x80;
170 const uint16_t SampleLength16 = 0x80;
171 const uint32_t SampleLength = 0x80;
172 ArrayRef<uint8_t> SampleU8 = toBytes(SampleLength8);
173 ArrayRef<uint8_t> SampleU16 = toBytes(SampleLength16);
174 ArrayRef<uint8_t> SampleU32 = toBytes(SampleLength);
175 const uint8_t StringData[] = "abcdef";
176 ArrayRef<uint8_t> SampleString(StringData, sizeof(StringData));
177 const uint8_t IndirectData8[] = {DW_FORM_data8};
178 const uint8_t IndirectData16[] = {DW_FORM_data16};
179 const uint8_t IndirectAddr[] = {DW_FORM_addr};
180 const uint8_t IndirectIndirectData1[] = {DW_FORM_indirect, DW_FORM_data1};
181 const uint8_t IndirectIndirectEnd[] = {DW_FORM_indirect};
182 
183 // Gtest's paramterised tests only allow a maximum of 50 cases, so split the
184 // test into multiple identical parts to share the cases.
185 struct FormSkipValueFixture1 : FormSkipValueFixtureBase {};
186 struct FormSkipValueFixture2 : FormSkipValueFixtureBase {};
187 TEST_P(FormSkipValueFixture1, skipValuePart1) { doSkipValueTest(); }
188 TEST_P(FormSkipValueFixture2, skipValuePart2) { doSkipValueTest(); }
189 
190 INSTANTIATE_TEST_SUITE_P(
191     SkipValueTestParams1, FormSkipValueFixture1,
192     testing::Values(
193         // Form, Version, AddrSize, DwarfFormat, InitialData, ExpectedSize,
194         // ExpectedResult.
195         ParamType(DW_FORM_exprloc, 0, 0, DWARF32, SampleLEB,
196                   SampleLength + SampleLEB.size(), true),
197         ParamType(DW_FORM_block, 0, 0, DWARF32, SampleLEB,
198                   SampleLength + SampleLEB.size(), true),
199         ParamType(DW_FORM_block1, 0, 0, DWARF32, SampleU8, SampleLength8 + 1,
200                   true),
201         ParamType(DW_FORM_block2, 0, 0, DWARF32, SampleU16, SampleLength16 + 2,
202                   true),
203         ParamType(DW_FORM_block4, 0, 0, DWARF32, SampleU32, SampleLength + 4,
204                   true),
205         ParamType(DW_FORM_string, 0, 0, DWARF32, SampleString,
206                   SampleString.size(), true),
207         ParamType(DW_FORM_addr, 0, 42, DWARF32, SampleU32, 0, false),
208         ParamType(DW_FORM_addr, 4, 0, DWARF32, SampleU32, 0, false),
209         ParamType(DW_FORM_addr, 4, 42, DWARF32, SampleU32, 42, true),
210         ParamType(DW_FORM_ref_addr, 0, 1, DWARF32, SampleU32, 0, false),
211         ParamType(DW_FORM_ref_addr, 1, 0, DWARF32, SampleU32, 0, false),
212         ParamType(DW_FORM_ref_addr, 1, 1, DWARF32, SampleU32, 4, true),
213         ParamType(DW_FORM_ref_addr, 1, 1, DWARF64, SampleU32, 8, true),
214         ParamType(DW_FORM_ref_addr, 2, 42, DWARF32, SampleU32, 42, true),
215         ParamType(DW_FORM_ref_addr, 2, 42, DWARF64, SampleU32, 42, true),
216         ParamType(DW_FORM_ref_addr, 3, 3, DWARF32, SampleU32, 4, true),
217         ParamType(DW_FORM_ref_addr, 3, 3, DWARF64, SampleU32, 8, true),
218         ParamType(DW_FORM_flag_present, 4, 4, DWARF32, SampleU32, 0, true),
219         ParamType(DW_FORM_data1, 0, 0, DWARF32, SampleU32, 1, true),
220         ParamType(DW_FORM_data2, 0, 0, DWARF32, SampleU32, 2, true),
221         ParamType(DW_FORM_data4, 0, 0, DWARF32, SampleU32, 4, true),
222         ParamType(DW_FORM_data8, 0, 0, DWARF32, SampleU32, 8, true),
223         ParamType(DW_FORM_data16, 0, 0, DWARF32, SampleU32, 16, true),
224         ParamType(DW_FORM_flag, 0, 0, DWARF32, SampleU32, 1, true),
225         ParamType(DW_FORM_ref1, 0, 0, DWARF32, SampleU32, 1, true),
226         ParamType(DW_FORM_ref2, 0, 0, DWARF32, SampleU32, 2, true),
227         ParamType(DW_FORM_ref4, 0, 0, DWARF32, SampleU32, 4, true),
228         ParamType(DW_FORM_ref8, 0, 0, DWARF32, SampleU32, 8, true),
229         ParamType(DW_FORM_ref_sig8, 0, 0, DWARF32, SampleU32, 8, true),
230         ParamType(DW_FORM_ref_sup4, 0, 0, DWARF32, SampleU32, 4, true),
231         ParamType(DW_FORM_ref_sup8, 0, 0, DWARF32, SampleU32, 8, true),
232         ParamType(DW_FORM_strx1, 0, 0, DWARF32, SampleU32, 1, true),
233         ParamType(DW_FORM_strx2, 0, 0, DWARF32, SampleU32, 2, true),
234         ParamType(DW_FORM_strx4, 0, 0, DWARF32, SampleU32, 4, true),
235         ParamType(DW_FORM_addrx1, 0, 0, DWARF32, SampleU32, 1, true),
236         ParamType(DW_FORM_addrx2, 0, 0, DWARF32, SampleU32, 2, true),
237         ParamType(DW_FORM_addrx4, 0, 0, DWARF32, SampleU32, 4, true),
238         ParamType(DW_FORM_sec_offset, 0, 1, DWARF32, SampleU32, 0, false),
239         ParamType(DW_FORM_sec_offset, 1, 0, DWARF32, SampleU32, 0, false),
240         ParamType(DW_FORM_sec_offset, 1, 1, DWARF32, SampleU32, 4, true),
241         ParamType(DW_FORM_sec_offset, 1, 1, DWARF64, SampleU32, 8, true),
242         ParamType(DW_FORM_strp, 0, 1, DWARF32, SampleU32, 0, false),
243         ParamType(DW_FORM_strp, 1, 0, DWARF32, SampleU32, 0, false),
244         ParamType(DW_FORM_strp, 1, 1, DWARF32, SampleU32, 4, true),
245         ParamType(DW_FORM_strp, 1, 1, DWARF64, SampleU32, 8, true),
246         ParamType(DW_FORM_strp_sup, 0, 1, DWARF32, SampleU32, 0, false),
247         ParamType(DW_FORM_strp_sup, 1, 0, DWARF32, SampleU32, 0, false),
248         ParamType(DW_FORM_strp_sup, 1, 1, DWARF32, SampleU32, 4, true),
249         ParamType(DW_FORM_strp_sup, 1, 1, DWARF64, SampleU32, 8, true)));
250 
251 INSTANTIATE_TEST_SUITE_P(
252     SkipValueTestParams2, FormSkipValueFixture2,
253     testing::Values(
254         ParamType(DW_FORM_line_strp, 0, 1, DWARF32, SampleU32, 0, false),
255         ParamType(DW_FORM_line_strp, 1, 0, DWARF32, SampleU32, 0, false),
256         ParamType(DW_FORM_line_strp, 1, 1, DWARF32, SampleU32, 4, true),
257         ParamType(DW_FORM_line_strp, 1, 1, DWARF64, SampleU32, 8, true),
258         ParamType(DW_FORM_GNU_ref_alt, 0, 1, DWARF32, SampleU32, 0, false),
259         ParamType(DW_FORM_GNU_ref_alt, 1, 0, DWARF32, SampleU32, 0, false),
260         ParamType(DW_FORM_GNU_ref_alt, 1, 1, DWARF32, SampleU32, 4, true),
261         ParamType(DW_FORM_GNU_ref_alt, 1, 1, DWARF64, SampleU32, 8, true),
262         ParamType(DW_FORM_GNU_strp_alt, 0, 1, DWARF32, SampleU32, 0, false),
263         ParamType(DW_FORM_GNU_strp_alt, 1, 0, DWARF32, SampleU32, 0, false),
264         ParamType(DW_FORM_GNU_strp_alt, 1, 1, DWARF32, SampleU32, 4, true),
265         ParamType(DW_FORM_GNU_strp_alt, 1, 1, DWARF64, SampleU32, 8, true),
266         ParamType(DW_FORM_sdata, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
267                   true),
268         ParamType(DW_FORM_udata, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
269                   true),
270         ParamType(DW_FORM_ref_udata, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
271                   true),
272         ParamType(DW_FORM_strx, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
273                   true),
274         ParamType(DW_FORM_addrx, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
275                   true),
276         ParamType(DW_FORM_loclistx, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
277                   true),
278         ParamType(DW_FORM_rnglistx, 0, 0, DWARF32, SampleLEB, SampleLEB.size(),
279                   true),
280         ParamType(DW_FORM_GNU_addr_index, 0, 0, DWARF32, SampleLEB,
281                   SampleLEB.size(), true),
282         ParamType(DW_FORM_GNU_str_index, 0, 0, DWARF32, SampleLEB,
283                   SampleLEB.size(), true),
284         ParamType(DW_FORM_indirect, 0, 0, DWARF32,
285                   ArrayRef<uint8_t>(IndirectData8, sizeof(IndirectData8)), 9,
286                   true),
287         ParamType(DW_FORM_indirect, 0, 0, DWARF32,
288                   ArrayRef<uint8_t>(IndirectData16, sizeof(IndirectData16)), 17,
289                   true),
290         ParamType(DW_FORM_indirect, 4, 0, DWARF32,
291                   ArrayRef<uint8_t>(IndirectAddr, sizeof(IndirectAddr)), 1,
292                   false),
293         ParamType(DW_FORM_indirect, 4, 4, DWARF32,
294                   ArrayRef<uint8_t>(IndirectAddr, sizeof(IndirectAddr)), 5,
295                   true),
296         ParamType(DW_FORM_indirect, 4, 4, DWARF32,
297                   ArrayRef<uint8_t>(IndirectIndirectData1,
298                                     sizeof(IndirectIndirectData1)),
299                   3, true),
300         ParamType(DW_FORM_indirect, 4, 4, DWARF32,
301                   ArrayRef<uint8_t>(IndirectIndirectEnd,
302                                     sizeof(IndirectIndirectEnd)),
303                   2, false),
304         ParamType(/*Unknown=*/Form(0xff), 4, 4, DWARF32, SampleU32, 0, false)));
305 
306 using ErrorParams = std::tuple<Form, std::vector<uint8_t>>;
307 struct ExtractValueErrorFixture : public testing::TestWithParam<ErrorParams> {
308   void SetUp() override { std::tie(Fm, InitialData) = GetParam(); }
309 
310   Form Fm;
311   ArrayRef<uint8_t> InitialData;
312 };
313 
314 TEST_P(ExtractValueErrorFixture, Test) {
315   SCOPED_TRACE(formatv("Fm = {0}, InitialData = {1}", Fm,
316                        make_range(InitialData.begin(), InitialData.end()))
317                    .str());
318 
319   DWARFDataExtractor Data(InitialData, sys::IsLittleEndianHost, 4);
320   DWARFFormValue Form(Fm);
321   uint64_t Offset = 0;
322   EXPECT_FALSE(Form.extractValue(Data, &Offset, {0, 0, DWARF32}));
323 }
324 
325 INSTANTIATE_TEST_SUITE_P(
326     ExtractValueErrorParams, ExtractValueErrorFixture,
327     testing::Values(
328         ErrorParams{DW_FORM_ref_addr, {}}, ErrorParams{DW_FORM_block, {}},
329         ErrorParams{DW_FORM_block, {1}}, ErrorParams{DW_FORM_block, {2, 0}},
330         ErrorParams{DW_FORM_block1, {}}, ErrorParams{DW_FORM_block2, {}},
331         ErrorParams{DW_FORM_block4, {}}, ErrorParams{DW_FORM_data1, {}},
332         ErrorParams{DW_FORM_data2, {}}, ErrorParams{DW_FORM_strx3, {}},
333         ErrorParams{DW_FORM_data4, {}}, ErrorParams{DW_FORM_data8, {}},
334         ErrorParams{DW_FORM_data16, {}}, ErrorParams{DW_FORM_sdata, {}},
335         ErrorParams{DW_FORM_udata, {}}, ErrorParams{DW_FORM_string, {}},
336         ErrorParams{DW_FORM_indirect, {}},
337         ErrorParams{DW_FORM_indirect, {DW_FORM_data1}},
338         ErrorParams{DW_FORM_strp_sup, {}}, ErrorParams{DW_FORM_ref_sig8, {}}));
339 
340 using DumpValueParams =
341     std::tuple<Form, ArrayRef<uint8_t>, DwarfFormat, StringRef>;
342 struct DumpValueFixture : public testing::TestWithParam<DumpValueParams> {
343   void SetUp() override {
344     std::tie(Fm, InitialData, Format, ExpectedResult) = GetParam();
345   }
346 
347   Form Fm;
348   ArrayRef<uint8_t> InitialData;
349   DwarfFormat Format;
350   StringRef ExpectedResult;
351 };
352 
353 TEST_P(DumpValueFixture, Test) {
354   SCOPED_TRACE(formatv("Fm = {0}, InitialData = [{1}], Format = {2}", Fm,
355                        toHex(InitialData),
356                        Format == DWARF64 ? "DWARF64" : "DWARF32"));
357   DWARFDataExtractor Data(InitialData, sys::IsLittleEndianHost, 8);
358   DWARFFormValue Form(Fm);
359   uint64_t Offset = 0;
360   Form.extractValue(Data, &Offset, {0, 0, Format});
361 
362   std::string Output;
363   raw_string_ostream OS(Output);
364 
365   DIDumpOptions Opts;
366   Opts.Verbose = true;
367   Opts.ShowAddresses = true;
368 
369   Form.dump(OS, Opts);
370   OS.flush();
371 
372   EXPECT_EQ(Output, ExpectedResult);
373 }
374 
375 const uint32_t DumpTestSample32Val = 0x112233;
376 ArrayRef<uint8_t> DumpTestSample32 = toBytes(DumpTestSample32Val);
377 const uint64_t DumpTestSample64Val = 0x11223344556677;
378 ArrayRef<uint8_t> DumpTestSample64 = toBytes(DumpTestSample64Val);
379 
380 INSTANTIATE_TEST_SUITE_P(
381     DumpValueParams, DumpValueFixture,
382     testing::Values(DumpValueParams{DW_FORM_strp, DumpTestSample32, DWARF32,
383                                     " .debug_str[0x00112233] = "},
384                     DumpValueParams{DW_FORM_strp, DumpTestSample64, DWARF64,
385                                     " .debug_str[0x0011223344556677] = "},
386                     DumpValueParams{DW_FORM_line_strp, DumpTestSample32,
387                                     DWARF32, " .debug_line_str[0x00112233] = "},
388                     DumpValueParams{DW_FORM_line_strp, DumpTestSample64,
389                                     DWARF64,
390                                     " .debug_line_str[0x0011223344556677] = "},
391                     DumpValueParams{DW_FORM_sec_offset, DumpTestSample32,
392                                     DWARF32, "0x00112233"},
393                     DumpValueParams{DW_FORM_sec_offset, DumpTestSample64,
394                                     DWARF64, "0x0011223344556677"}));
395 
396 } // end anonymous namespace
397