1 //===- MinidumpYAML.cpp - Minidump YAMLIO implementation ------------------===//
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/ObjectYAML/MinidumpYAML.h"
10 #include "llvm/Support/Allocator.h"
11
12 using namespace llvm;
13 using namespace llvm::MinidumpYAML;
14 using namespace llvm::minidump;
15
16 /// Perform an optional yaml-mapping of an endian-aware type EndianType. The
17 /// only purpose of this function is to avoid casting the Default value to the
18 /// endian type;
19 template <typename EndianType>
mapOptional(yaml::IO & IO,const char * Key,EndianType & Val,typename EndianType::value_type Default)20 static inline void mapOptional(yaml::IO &IO, const char *Key, EndianType &Val,
21 typename EndianType::value_type Default) {
22 IO.mapOptional(Key, Val, EndianType(Default));
23 }
24
25 /// Yaml-map an endian-aware type EndianType as some other type MapType.
26 template <typename MapType, typename EndianType>
mapRequiredAs(yaml::IO & IO,const char * Key,EndianType & Val)27 static inline void mapRequiredAs(yaml::IO &IO, const char *Key,
28 EndianType &Val) {
29 MapType Mapped = static_cast<typename EndianType::value_type>(Val);
30 IO.mapRequired(Key, Mapped);
31 Val = static_cast<typename EndianType::value_type>(Mapped);
32 }
33
34 /// Perform an optional yaml-mapping of an endian-aware type EndianType as some
35 /// other type MapType.
36 template <typename MapType, typename EndianType>
mapOptionalAs(yaml::IO & IO,const char * Key,EndianType & Val,MapType Default)37 static inline void mapOptionalAs(yaml::IO &IO, const char *Key, EndianType &Val,
38 MapType Default) {
39 MapType Mapped = static_cast<typename EndianType::value_type>(Val);
40 IO.mapOptional(Key, Mapped, Default);
41 Val = static_cast<typename EndianType::value_type>(Mapped);
42 }
43
44 namespace {
45 /// Return the appropriate yaml Hex type for a given endian-aware type.
46 template <typename EndianType> struct HexType;
47 template <> struct HexType<support::ulittle16_t> { using type = yaml::Hex16; };
48 template <> struct HexType<support::ulittle32_t> { using type = yaml::Hex32; };
49 template <> struct HexType<support::ulittle64_t> { using type = yaml::Hex64; };
50 } // namespace
51
52 /// Yaml-map an endian-aware type as an appropriately-sized hex value.
53 template <typename EndianType>
mapRequiredHex(yaml::IO & IO,const char * Key,EndianType & Val)54 static inline void mapRequiredHex(yaml::IO &IO, const char *Key,
55 EndianType &Val) {
56 mapRequiredAs<typename HexType<EndianType>::type>(IO, Key, Val);
57 }
58
59 /// Perform an optional yaml-mapping of an endian-aware type as an
60 /// appropriately-sized hex value.
61 template <typename EndianType>
mapOptionalHex(yaml::IO & IO,const char * Key,EndianType & Val,typename EndianType::value_type Default)62 static inline void mapOptionalHex(yaml::IO &IO, const char *Key,
63 EndianType &Val,
64 typename EndianType::value_type Default) {
65 mapOptionalAs<typename HexType<EndianType>::type>(IO, Key, Val, Default);
66 }
67
68 Stream::~Stream() = default;
69
getKind(StreamType Type)70 Stream::StreamKind Stream::getKind(StreamType Type) {
71 switch (Type) {
72 case StreamType::Exception:
73 return StreamKind::Exception;
74 case StreamType::MemoryInfoList:
75 return StreamKind::MemoryInfoList;
76 case StreamType::MemoryList:
77 return StreamKind::MemoryList;
78 case StreamType::ModuleList:
79 return StreamKind::ModuleList;
80 case StreamType::SystemInfo:
81 return StreamKind::SystemInfo;
82 case StreamType::LinuxCPUInfo:
83 case StreamType::LinuxProcStatus:
84 case StreamType::LinuxLSBRelease:
85 case StreamType::LinuxCMDLine:
86 case StreamType::LinuxMaps:
87 case StreamType::LinuxProcStat:
88 case StreamType::LinuxProcUptime:
89 return StreamKind::TextContent;
90 case StreamType::ThreadList:
91 return StreamKind::ThreadList;
92 default:
93 return StreamKind::RawContent;
94 }
95 }
96
create(StreamType Type)97 std::unique_ptr<Stream> Stream::create(StreamType Type) {
98 StreamKind Kind = getKind(Type);
99 switch (Kind) {
100 case StreamKind::Exception:
101 return std::make_unique<ExceptionStream>();
102 case StreamKind::MemoryInfoList:
103 return std::make_unique<MemoryInfoListStream>();
104 case StreamKind::MemoryList:
105 return std::make_unique<MemoryListStream>();
106 case StreamKind::ModuleList:
107 return std::make_unique<ModuleListStream>();
108 case StreamKind::RawContent:
109 return std::make_unique<RawContentStream>(Type);
110 case StreamKind::SystemInfo:
111 return std::make_unique<SystemInfoStream>();
112 case StreamKind::TextContent:
113 return std::make_unique<TextContentStream>(Type);
114 case StreamKind::ThreadList:
115 return std::make_unique<ThreadListStream>();
116 }
117 llvm_unreachable("Unhandled stream kind!");
118 }
119
bitset(IO & IO,MemoryProtection & Protect)120 void yaml::ScalarBitSetTraits<MemoryProtection>::bitset(
121 IO &IO, MemoryProtection &Protect) {
122 #define HANDLE_MDMP_PROTECT(CODE, NAME, NATIVENAME) \
123 IO.bitSetCase(Protect, #NATIVENAME, MemoryProtection::NAME);
124 #include "llvm/BinaryFormat/MinidumpConstants.def"
125 }
126
bitset(IO & IO,MemoryState & State)127 void yaml::ScalarBitSetTraits<MemoryState>::bitset(IO &IO, MemoryState &State) {
128 #define HANDLE_MDMP_MEMSTATE(CODE, NAME, NATIVENAME) \
129 IO.bitSetCase(State, #NATIVENAME, MemoryState::NAME);
130 #include "llvm/BinaryFormat/MinidumpConstants.def"
131 }
132
bitset(IO & IO,MemoryType & Type)133 void yaml::ScalarBitSetTraits<MemoryType>::bitset(IO &IO, MemoryType &Type) {
134 #define HANDLE_MDMP_MEMTYPE(CODE, NAME, NATIVENAME) \
135 IO.bitSetCase(Type, #NATIVENAME, MemoryType::NAME);
136 #include "llvm/BinaryFormat/MinidumpConstants.def"
137 }
138
enumeration(IO & IO,ProcessorArchitecture & Arch)139 void yaml::ScalarEnumerationTraits<ProcessorArchitecture>::enumeration(
140 IO &IO, ProcessorArchitecture &Arch) {
141 #define HANDLE_MDMP_ARCH(CODE, NAME) \
142 IO.enumCase(Arch, #NAME, ProcessorArchitecture::NAME);
143 #include "llvm/BinaryFormat/MinidumpConstants.def"
144 IO.enumFallback<Hex16>(Arch);
145 }
146
enumeration(IO & IO,OSPlatform & Plat)147 void yaml::ScalarEnumerationTraits<OSPlatform>::enumeration(IO &IO,
148 OSPlatform &Plat) {
149 #define HANDLE_MDMP_PLATFORM(CODE, NAME) \
150 IO.enumCase(Plat, #NAME, OSPlatform::NAME);
151 #include "llvm/BinaryFormat/MinidumpConstants.def"
152 IO.enumFallback<Hex32>(Plat);
153 }
154
enumeration(IO & IO,StreamType & Type)155 void yaml::ScalarEnumerationTraits<StreamType>::enumeration(IO &IO,
156 StreamType &Type) {
157 #define HANDLE_MDMP_STREAM_TYPE(CODE, NAME) \
158 IO.enumCase(Type, #NAME, StreamType::NAME);
159 #include "llvm/BinaryFormat/MinidumpConstants.def"
160 IO.enumFallback<Hex32>(Type);
161 }
162
mapping(IO & IO,CPUInfo::ArmInfo & Info)163 void yaml::MappingTraits<CPUInfo::ArmInfo>::mapping(IO &IO,
164 CPUInfo::ArmInfo &Info) {
165 mapRequiredHex(IO, "CPUID", Info.CPUID);
166 mapOptionalHex(IO, "ELF hwcaps", Info.ElfHWCaps, 0);
167 }
168
169 namespace {
170 template <std::size_t N> struct FixedSizeHex {
FixedSizeHex__anone0513a7f0211::FixedSizeHex171 FixedSizeHex(uint8_t (&Storage)[N]) : Storage(Storage) {}
172
173 uint8_t (&Storage)[N];
174 };
175 } // namespace
176
177 namespace llvm {
178 namespace yaml {
179 template <std::size_t N> struct ScalarTraits<FixedSizeHex<N>> {
outputllvm::yaml::ScalarTraits180 static void output(const FixedSizeHex<N> &Fixed, void *, raw_ostream &OS) {
181 OS << toHex(ArrayRef(Fixed.Storage));
182 }
183
inputllvm::yaml::ScalarTraits184 static StringRef input(StringRef Scalar, void *, FixedSizeHex<N> &Fixed) {
185 if (!all_of(Scalar, isHexDigit))
186 return "Invalid hex digit in input";
187 if (Scalar.size() < 2 * N)
188 return "String too short";
189 if (Scalar.size() > 2 * N)
190 return "String too long";
191 copy(fromHex(Scalar), Fixed.Storage);
192 return "";
193 }
194
mustQuotellvm::yaml::ScalarTraits195 static QuotingType mustQuote(StringRef S) { return QuotingType::None; }
196 };
197 } // namespace yaml
198 } // namespace llvm
mapping(IO & IO,CPUInfo::OtherInfo & Info)199 void yaml::MappingTraits<CPUInfo::OtherInfo>::mapping(
200 IO &IO, CPUInfo::OtherInfo &Info) {
201 FixedSizeHex<sizeof(Info.ProcessorFeatures)> Features(Info.ProcessorFeatures);
202 IO.mapRequired("Features", Features);
203 }
204
205 namespace {
206 /// A type which only accepts strings of a fixed size for yaml conversion.
207 template <std::size_t N> struct FixedSizeString {
FixedSizeString__anone0513a7f0311::FixedSizeString208 FixedSizeString(char (&Storage)[N]) : Storage(Storage) {}
209
210 char (&Storage)[N];
211 };
212 } // namespace
213
214 namespace llvm {
215 namespace yaml {
216 template <std::size_t N> struct ScalarTraits<FixedSizeString<N>> {
outputllvm::yaml::ScalarTraits217 static void output(const FixedSizeString<N> &Fixed, void *, raw_ostream &OS) {
218 OS << StringRef(Fixed.Storage, N);
219 }
220
inputllvm::yaml::ScalarTraits221 static StringRef input(StringRef Scalar, void *, FixedSizeString<N> &Fixed) {
222 if (Scalar.size() < N)
223 return "String too short";
224 if (Scalar.size() > N)
225 return "String too long";
226 copy(Scalar, Fixed.Storage);
227 return "";
228 }
229
mustQuotellvm::yaml::ScalarTraits230 static QuotingType mustQuote(StringRef S) { return needsQuotes(S); }
231 };
232 } // namespace yaml
233 } // namespace llvm
234
mapping(IO & IO,CPUInfo::X86Info & Info)235 void yaml::MappingTraits<CPUInfo::X86Info>::mapping(IO &IO,
236 CPUInfo::X86Info &Info) {
237 FixedSizeString<sizeof(Info.VendorID)> VendorID(Info.VendorID);
238 IO.mapRequired("Vendor ID", VendorID);
239
240 mapRequiredHex(IO, "Version Info", Info.VersionInfo);
241 mapRequiredHex(IO, "Feature Info", Info.FeatureInfo);
242 mapOptionalHex(IO, "AMD Extended Features", Info.AMDExtendedFeatures, 0);
243 }
244
mapping(IO & IO,MemoryInfo & Info)245 void yaml::MappingTraits<MemoryInfo>::mapping(IO &IO, MemoryInfo &Info) {
246 mapRequiredHex(IO, "Base Address", Info.BaseAddress);
247 mapOptionalHex(IO, "Allocation Base", Info.AllocationBase, Info.BaseAddress);
248 mapRequiredAs<MemoryProtection>(IO, "Allocation Protect",
249 Info.AllocationProtect);
250 mapOptionalHex(IO, "Reserved0", Info.Reserved0, 0);
251 mapRequiredHex(IO, "Region Size", Info.RegionSize);
252 mapRequiredAs<MemoryState>(IO, "State", Info.State);
253 mapOptionalAs<MemoryProtection>(IO, "Protect", Info.Protect,
254 Info.AllocationProtect);
255 mapRequiredAs<MemoryType>(IO, "Type", Info.Type);
256 mapOptionalHex(IO, "Reserved1", Info.Reserved1, 0);
257 }
258
mapping(IO & IO,VSFixedFileInfo & Info)259 void yaml::MappingTraits<VSFixedFileInfo>::mapping(IO &IO,
260 VSFixedFileInfo &Info) {
261 mapOptionalHex(IO, "Signature", Info.Signature, 0);
262 mapOptionalHex(IO, "Struct Version", Info.StructVersion, 0);
263 mapOptionalHex(IO, "File Version High", Info.FileVersionHigh, 0);
264 mapOptionalHex(IO, "File Version Low", Info.FileVersionLow, 0);
265 mapOptionalHex(IO, "Product Version High", Info.ProductVersionHigh, 0);
266 mapOptionalHex(IO, "Product Version Low", Info.ProductVersionLow, 0);
267 mapOptionalHex(IO, "File Flags Mask", Info.FileFlagsMask, 0);
268 mapOptionalHex(IO, "File Flags", Info.FileFlags, 0);
269 mapOptionalHex(IO, "File OS", Info.FileOS, 0);
270 mapOptionalHex(IO, "File Type", Info.FileType, 0);
271 mapOptionalHex(IO, "File Subtype", Info.FileSubtype, 0);
272 mapOptionalHex(IO, "File Date High", Info.FileDateHigh, 0);
273 mapOptionalHex(IO, "File Date Low", Info.FileDateLow, 0);
274 }
275
mapping(IO & IO,ModuleListStream::entry_type & M)276 void yaml::MappingTraits<ModuleListStream::entry_type>::mapping(
277 IO &IO, ModuleListStream::entry_type &M) {
278 mapRequiredHex(IO, "Base of Image", M.Entry.BaseOfImage);
279 mapRequiredHex(IO, "Size of Image", M.Entry.SizeOfImage);
280 mapOptionalHex(IO, "Checksum", M.Entry.Checksum, 0);
281 mapOptional(IO, "Time Date Stamp", M.Entry.TimeDateStamp, 0);
282 IO.mapRequired("Module Name", M.Name);
283 IO.mapOptional("Version Info", M.Entry.VersionInfo, VSFixedFileInfo());
284 IO.mapRequired("CodeView Record", M.CvRecord);
285 IO.mapOptional("Misc Record", M.MiscRecord, yaml::BinaryRef());
286 mapOptionalHex(IO, "Reserved0", M.Entry.Reserved0, 0);
287 mapOptionalHex(IO, "Reserved1", M.Entry.Reserved1, 0);
288 }
289
streamMapping(yaml::IO & IO,RawContentStream & Stream)290 static void streamMapping(yaml::IO &IO, RawContentStream &Stream) {
291 IO.mapOptional("Content", Stream.Content);
292 IO.mapOptional("Size", Stream.Size, Stream.Content.binary_size());
293 }
294
streamValidate(RawContentStream & Stream)295 static std::string streamValidate(RawContentStream &Stream) {
296 if (Stream.Size.value < Stream.Content.binary_size())
297 return "Stream size must be greater or equal to the content size";
298 return "";
299 }
300
mapping(IO & IO,MemoryListStream::entry_type & Range)301 void yaml::MappingTraits<MemoryListStream::entry_type>::mapping(
302 IO &IO, MemoryListStream::entry_type &Range) {
303 MappingContextTraits<MemoryDescriptor, yaml::BinaryRef>::mapping(
304 IO, Range.Entry, Range.Content);
305 }
306
streamMapping(yaml::IO & IO,MemoryInfoListStream & Stream)307 static void streamMapping(yaml::IO &IO, MemoryInfoListStream &Stream) {
308 IO.mapRequired("Memory Ranges", Stream.Infos);
309 }
310
streamMapping(yaml::IO & IO,MemoryListStream & Stream)311 static void streamMapping(yaml::IO &IO, MemoryListStream &Stream) {
312 IO.mapRequired("Memory Ranges", Stream.Entries);
313 }
314
streamMapping(yaml::IO & IO,ModuleListStream & Stream)315 static void streamMapping(yaml::IO &IO, ModuleListStream &Stream) {
316 IO.mapRequired("Modules", Stream.Entries);
317 }
318
streamMapping(yaml::IO & IO,SystemInfoStream & Stream)319 static void streamMapping(yaml::IO &IO, SystemInfoStream &Stream) {
320 SystemInfo &Info = Stream.Info;
321 IO.mapRequired("Processor Arch", Info.ProcessorArch);
322 mapOptional(IO, "Processor Level", Info.ProcessorLevel, 0);
323 mapOptional(IO, "Processor Revision", Info.ProcessorRevision, 0);
324 IO.mapOptional("Number of Processors", Info.NumberOfProcessors, 0);
325 IO.mapOptional("Product type", Info.ProductType, 0);
326 mapOptional(IO, "Major Version", Info.MajorVersion, 0);
327 mapOptional(IO, "Minor Version", Info.MinorVersion, 0);
328 mapOptional(IO, "Build Number", Info.BuildNumber, 0);
329 IO.mapRequired("Platform ID", Info.PlatformId);
330 IO.mapOptional("CSD Version", Stream.CSDVersion, "");
331 mapOptionalHex(IO, "Suite Mask", Info.SuiteMask, 0);
332 mapOptionalHex(IO, "Reserved", Info.Reserved, 0);
333 switch (static_cast<ProcessorArchitecture>(Info.ProcessorArch)) {
334 case ProcessorArchitecture::X86:
335 case ProcessorArchitecture::AMD64:
336 IO.mapOptional("CPU", Info.CPU.X86);
337 break;
338 case ProcessorArchitecture::ARM:
339 case ProcessorArchitecture::ARM64:
340 case ProcessorArchitecture::BP_ARM64:
341 IO.mapOptional("CPU", Info.CPU.Arm);
342 break;
343 default:
344 IO.mapOptional("CPU", Info.CPU.Other);
345 break;
346 }
347 }
348
streamMapping(yaml::IO & IO,TextContentStream & Stream)349 static void streamMapping(yaml::IO &IO, TextContentStream &Stream) {
350 IO.mapOptional("Text", Stream.Text);
351 }
352
mapping(IO & IO,MemoryDescriptor & Memory,BinaryRef & Content)353 void yaml::MappingContextTraits<MemoryDescriptor, yaml::BinaryRef>::mapping(
354 IO &IO, MemoryDescriptor &Memory, BinaryRef &Content) {
355 mapRequiredHex(IO, "Start of Memory Range", Memory.StartOfMemoryRange);
356 IO.mapRequired("Content", Content);
357 }
358
mapping(IO & IO,ThreadListStream::entry_type & T)359 void yaml::MappingTraits<ThreadListStream::entry_type>::mapping(
360 IO &IO, ThreadListStream::entry_type &T) {
361 mapRequiredHex(IO, "Thread Id", T.Entry.ThreadId);
362 mapOptionalHex(IO, "Suspend Count", T.Entry.SuspendCount, 0);
363 mapOptionalHex(IO, "Priority Class", T.Entry.PriorityClass, 0);
364 mapOptionalHex(IO, "Priority", T.Entry.Priority, 0);
365 mapOptionalHex(IO, "Environment Block", T.Entry.EnvironmentBlock, 0);
366 IO.mapRequired("Context", T.Context);
367 IO.mapRequired("Stack", T.Entry.Stack, T.Stack);
368 }
369
streamMapping(yaml::IO & IO,ThreadListStream & Stream)370 static void streamMapping(yaml::IO &IO, ThreadListStream &Stream) {
371 IO.mapRequired("Threads", Stream.Entries);
372 }
373
streamMapping(yaml::IO & IO,MinidumpYAML::ExceptionStream & Stream)374 static void streamMapping(yaml::IO &IO, MinidumpYAML::ExceptionStream &Stream) {
375 mapRequiredHex(IO, "Thread ID", Stream.MDExceptionStream.ThreadId);
376 IO.mapRequired("Exception Record", Stream.MDExceptionStream.ExceptionRecord);
377 IO.mapRequired("Thread Context", Stream.ThreadContext);
378 }
379
mapping(yaml::IO & IO,minidump::Exception & Exception)380 void yaml::MappingTraits<minidump::Exception>::mapping(
381 yaml::IO &IO, minidump::Exception &Exception) {
382 mapRequiredHex(IO, "Exception Code", Exception.ExceptionCode);
383 mapOptionalHex(IO, "Exception Flags", Exception.ExceptionFlags, 0);
384 mapOptionalHex(IO, "Exception Record", Exception.ExceptionRecord, 0);
385 mapOptionalHex(IO, "Exception Address", Exception.ExceptionAddress, 0);
386 mapOptional(IO, "Number of Parameters", Exception.NumberParameters, 0);
387
388 for (size_t Index = 0; Index < Exception.MaxParameters; ++Index) {
389 SmallString<16> Name("Parameter ");
390 Twine(Index).toVector(Name);
391 support::ulittle64_t &Field = Exception.ExceptionInformation[Index];
392
393 if (Index < Exception.NumberParameters)
394 mapRequiredHex(IO, Name.c_str(), Field);
395 else
396 mapOptionalHex(IO, Name.c_str(), Field, 0);
397 }
398 }
399
mapping(yaml::IO & IO,std::unique_ptr<MinidumpYAML::Stream> & S)400 void yaml::MappingTraits<std::unique_ptr<Stream>>::mapping(
401 yaml::IO &IO, std::unique_ptr<MinidumpYAML::Stream> &S) {
402 StreamType Type;
403 if (IO.outputting())
404 Type = S->Type;
405 IO.mapRequired("Type", Type);
406
407 if (!IO.outputting())
408 S = MinidumpYAML::Stream::create(Type);
409 switch (S->Kind) {
410 case MinidumpYAML::Stream::StreamKind::Exception:
411 streamMapping(IO, llvm::cast<MinidumpYAML::ExceptionStream>(*S));
412 break;
413 case MinidumpYAML::Stream::StreamKind::MemoryInfoList:
414 streamMapping(IO, llvm::cast<MemoryInfoListStream>(*S));
415 break;
416 case MinidumpYAML::Stream::StreamKind::MemoryList:
417 streamMapping(IO, llvm::cast<MemoryListStream>(*S));
418 break;
419 case MinidumpYAML::Stream::StreamKind::ModuleList:
420 streamMapping(IO, llvm::cast<ModuleListStream>(*S));
421 break;
422 case MinidumpYAML::Stream::StreamKind::RawContent:
423 streamMapping(IO, llvm::cast<RawContentStream>(*S));
424 break;
425 case MinidumpYAML::Stream::StreamKind::SystemInfo:
426 streamMapping(IO, llvm::cast<SystemInfoStream>(*S));
427 break;
428 case MinidumpYAML::Stream::StreamKind::TextContent:
429 streamMapping(IO, llvm::cast<TextContentStream>(*S));
430 break;
431 case MinidumpYAML::Stream::StreamKind::ThreadList:
432 streamMapping(IO, llvm::cast<ThreadListStream>(*S));
433 break;
434 }
435 }
436
validate(yaml::IO & IO,std::unique_ptr<MinidumpYAML::Stream> & S)437 std::string yaml::MappingTraits<std::unique_ptr<Stream>>::validate(
438 yaml::IO &IO, std::unique_ptr<MinidumpYAML::Stream> &S) {
439 switch (S->Kind) {
440 case MinidumpYAML::Stream::StreamKind::RawContent:
441 return streamValidate(cast<RawContentStream>(*S));
442 case MinidumpYAML::Stream::StreamKind::Exception:
443 case MinidumpYAML::Stream::StreamKind::MemoryInfoList:
444 case MinidumpYAML::Stream::StreamKind::MemoryList:
445 case MinidumpYAML::Stream::StreamKind::ModuleList:
446 case MinidumpYAML::Stream::StreamKind::SystemInfo:
447 case MinidumpYAML::Stream::StreamKind::TextContent:
448 case MinidumpYAML::Stream::StreamKind::ThreadList:
449 return "";
450 }
451 llvm_unreachable("Fully covered switch above!");
452 }
453
mapping(IO & IO,Object & O)454 void yaml::MappingTraits<Object>::mapping(IO &IO, Object &O) {
455 IO.mapTag("!minidump", true);
456 mapOptionalHex(IO, "Signature", O.Header.Signature, Header::MagicSignature);
457 mapOptionalHex(IO, "Version", O.Header.Version, Header::MagicVersion);
458 mapOptionalHex(IO, "Flags", O.Header.Flags, 0);
459 IO.mapRequired("Streams", O.Streams);
460 }
461
462 Expected<std::unique_ptr<Stream>>
create(const Directory & StreamDesc,const object::MinidumpFile & File)463 Stream::create(const Directory &StreamDesc, const object::MinidumpFile &File) {
464 StreamKind Kind = getKind(StreamDesc.Type);
465 switch (Kind) {
466 case StreamKind::Exception: {
467 Expected<const minidump::ExceptionStream &> ExpectedExceptionStream =
468 File.getExceptionStream();
469 if (!ExpectedExceptionStream)
470 return ExpectedExceptionStream.takeError();
471 Expected<ArrayRef<uint8_t>> ExpectedThreadContext =
472 File.getRawData(ExpectedExceptionStream->ThreadContext);
473 if (!ExpectedThreadContext)
474 return ExpectedThreadContext.takeError();
475 return std::make_unique<ExceptionStream>(*ExpectedExceptionStream,
476 *ExpectedThreadContext);
477 }
478 case StreamKind::MemoryInfoList: {
479 if (auto ExpectedList = File.getMemoryInfoList())
480 return std::make_unique<MemoryInfoListStream>(*ExpectedList);
481 else
482 return ExpectedList.takeError();
483 }
484 case StreamKind::MemoryList: {
485 auto ExpectedList = File.getMemoryList();
486 if (!ExpectedList)
487 return ExpectedList.takeError();
488 std::vector<MemoryListStream::entry_type> Ranges;
489 for (const MemoryDescriptor &MD : *ExpectedList) {
490 auto ExpectedContent = File.getRawData(MD.Memory);
491 if (!ExpectedContent)
492 return ExpectedContent.takeError();
493 Ranges.push_back({MD, *ExpectedContent});
494 }
495 return std::make_unique<MemoryListStream>(std::move(Ranges));
496 }
497 case StreamKind::ModuleList: {
498 auto ExpectedList = File.getModuleList();
499 if (!ExpectedList)
500 return ExpectedList.takeError();
501 std::vector<ModuleListStream::entry_type> Modules;
502 for (const Module &M : *ExpectedList) {
503 auto ExpectedName = File.getString(M.ModuleNameRVA);
504 if (!ExpectedName)
505 return ExpectedName.takeError();
506 auto ExpectedCv = File.getRawData(M.CvRecord);
507 if (!ExpectedCv)
508 return ExpectedCv.takeError();
509 auto ExpectedMisc = File.getRawData(M.MiscRecord);
510 if (!ExpectedMisc)
511 return ExpectedMisc.takeError();
512 Modules.push_back(
513 {M, std::move(*ExpectedName), *ExpectedCv, *ExpectedMisc});
514 }
515 return std::make_unique<ModuleListStream>(std::move(Modules));
516 }
517 case StreamKind::RawContent:
518 return std::make_unique<RawContentStream>(StreamDesc.Type,
519 File.getRawStream(StreamDesc));
520 case StreamKind::SystemInfo: {
521 auto ExpectedInfo = File.getSystemInfo();
522 if (!ExpectedInfo)
523 return ExpectedInfo.takeError();
524 auto ExpectedCSDVersion = File.getString(ExpectedInfo->CSDVersionRVA);
525 if (!ExpectedCSDVersion)
526 return ExpectedInfo.takeError();
527 return std::make_unique<SystemInfoStream>(*ExpectedInfo,
528 std::move(*ExpectedCSDVersion));
529 }
530 case StreamKind::TextContent:
531 return std::make_unique<TextContentStream>(
532 StreamDesc.Type, toStringRef(File.getRawStream(StreamDesc)));
533 case StreamKind::ThreadList: {
534 auto ExpectedList = File.getThreadList();
535 if (!ExpectedList)
536 return ExpectedList.takeError();
537 std::vector<ThreadListStream::entry_type> Threads;
538 for (const Thread &T : *ExpectedList) {
539 auto ExpectedStack = File.getRawData(T.Stack.Memory);
540 if (!ExpectedStack)
541 return ExpectedStack.takeError();
542 auto ExpectedContext = File.getRawData(T.Context);
543 if (!ExpectedContext)
544 return ExpectedContext.takeError();
545 Threads.push_back({T, *ExpectedStack, *ExpectedContext});
546 }
547 return std::make_unique<ThreadListStream>(std::move(Threads));
548 }
549 }
550 llvm_unreachable("Unhandled stream kind!");
551 }
552
create(const object::MinidumpFile & File)553 Expected<Object> Object::create(const object::MinidumpFile &File) {
554 std::vector<std::unique_ptr<Stream>> Streams;
555 Streams.reserve(File.streams().size());
556 for (const Directory &StreamDesc : File.streams()) {
557 auto ExpectedStream = Stream::create(StreamDesc, File);
558 if (!ExpectedStream)
559 return ExpectedStream.takeError();
560 Streams.push_back(std::move(*ExpectedStream));
561 }
562 return Object(File.header(), std::move(Streams));
563 }
564