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comparison lib/ObjectYAML/WasmYAML.cpp @ 121:803732b1fca8

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LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
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120:1172e4bd9c6f 121:803732b1fca8
1 //===- WasmYAML.cpp - Wasm YAMLIO implementation --------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines classes for handling the YAML representation of wasm.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/ObjectYAML/WasmYAML.h"
15 #include "llvm/ADT/StringRef.h"
16 #include "llvm/Support/Casting.h"
17 #include "llvm/Support/ErrorHandling.h"
18 #include "llvm/Support/YAMLTraits.h"
19
20 namespace llvm {
21
22 namespace WasmYAML {
23
24 // Declared here rather than in the header to comply with:
25 // http://llvm.org/docs/CodingStandards.html#provide-a-virtual-method-anchor-for-classes-in-headers
26 Section::~Section() = default;
27
28 } // end namespace WasmYAML
29
30 namespace yaml {
31
32 void MappingTraits<WasmYAML::FileHeader>::mapping(
33 IO &IO, WasmYAML::FileHeader &FileHdr) {
34 IO.mapRequired("Version", FileHdr.Version);
35 }
36
37 void MappingTraits<WasmYAML::Object>::mapping(IO &IO,
38 WasmYAML::Object &Object) {
39 IO.setContext(&Object);
40 IO.mapTag("!WASM", true);
41 IO.mapRequired("FileHeader", Object.Header);
42 IO.mapOptional("Sections", Object.Sections);
43 IO.setContext(nullptr);
44 }
45
46 static void commonSectionMapping(IO &IO, WasmYAML::Section &Section) {
47 IO.mapRequired("Type", Section.Type);
48 IO.mapOptional("Relocations", Section.Relocations);
49 }
50
51 static void sectionMapping(IO &IO, WasmYAML::NameSection &Section) {
52 commonSectionMapping(IO, Section);
53 IO.mapRequired("Name", Section.Name);
54 IO.mapOptional("FunctionNames", Section.FunctionNames);
55 }
56
57 static void sectionMapping(IO &IO, WasmYAML::LinkingSection &Section) {
58 commonSectionMapping(IO, Section);
59 IO.mapRequired("Name", Section.Name);
60 IO.mapRequired("DataSize", Section.DataSize);
61 IO.mapOptional("SymbolInfo", Section.SymbolInfos);
62 IO.mapOptional("SegmentInfo", Section.SegmentInfos);
63 }
64
65 static void sectionMapping(IO &IO, WasmYAML::CustomSection &Section) {
66 commonSectionMapping(IO, Section);
67 IO.mapRequired("Name", Section.Name);
68 IO.mapRequired("Payload", Section.Payload);
69 }
70
71 static void sectionMapping(IO &IO, WasmYAML::TypeSection &Section) {
72 commonSectionMapping(IO, Section);
73 IO.mapOptional("Signatures", Section.Signatures);
74 }
75
76 static void sectionMapping(IO &IO, WasmYAML::ImportSection &Section) {
77 commonSectionMapping(IO, Section);
78 IO.mapOptional("Imports", Section.Imports);
79 }
80
81 static void sectionMapping(IO &IO, WasmYAML::FunctionSection &Section) {
82 commonSectionMapping(IO, Section);
83 IO.mapOptional("FunctionTypes", Section.FunctionTypes);
84 }
85
86 static void sectionMapping(IO &IO, WasmYAML::TableSection &Section) {
87 commonSectionMapping(IO, Section);
88 IO.mapOptional("Tables", Section.Tables);
89 }
90
91 static void sectionMapping(IO &IO, WasmYAML::MemorySection &Section) {
92 commonSectionMapping(IO, Section);
93 IO.mapOptional("Memories", Section.Memories);
94 }
95
96 static void sectionMapping(IO &IO, WasmYAML::GlobalSection &Section) {
97 commonSectionMapping(IO, Section);
98 IO.mapOptional("Globals", Section.Globals);
99 }
100
101 static void sectionMapping(IO &IO, WasmYAML::ExportSection &Section) {
102 commonSectionMapping(IO, Section);
103 IO.mapOptional("Exports", Section.Exports);
104 }
105
106 static void sectionMapping(IO &IO, WasmYAML::StartSection &Section) {
107 commonSectionMapping(IO, Section);
108 IO.mapOptional("StartFunction", Section.StartFunction);
109 }
110
111 static void sectionMapping(IO &IO, WasmYAML::ElemSection &Section) {
112 commonSectionMapping(IO, Section);
113 IO.mapOptional("Segments", Section.Segments);
114 }
115
116 static void sectionMapping(IO &IO, WasmYAML::CodeSection &Section) {
117 commonSectionMapping(IO, Section);
118 IO.mapRequired("Functions", Section.Functions);
119 }
120
121 static void sectionMapping(IO &IO, WasmYAML::DataSection &Section) {
122 commonSectionMapping(IO, Section);
123 IO.mapRequired("Segments", Section.Segments);
124 }
125
126 void MappingTraits<std::unique_ptr<WasmYAML::Section>>::mapping(
127 IO &IO, std::unique_ptr<WasmYAML::Section> &Section) {
128 WasmYAML::SectionType SectionType;
129 if (IO.outputting())
130 SectionType = Section->Type;
131 else
132 IO.mapRequired("Type", SectionType);
133
134 switch (SectionType) {
135 case wasm::WASM_SEC_CUSTOM: {
136 StringRef SectionName;
137 if (IO.outputting()) {
138 auto CustomSection = cast<WasmYAML::CustomSection>(Section.get());
139 SectionName = CustomSection->Name;
140 } else {
141 IO.mapRequired("Name", SectionName);
142 }
143 if (SectionName == "linking") {
144 if (!IO.outputting())
145 Section.reset(new WasmYAML::LinkingSection());
146 sectionMapping(IO, *cast<WasmYAML::LinkingSection>(Section.get()));
147 } else if (SectionName == "name") {
148 if (!IO.outputting())
149 Section.reset(new WasmYAML::NameSection());
150 sectionMapping(IO, *cast<WasmYAML::NameSection>(Section.get()));
151 } else {
152 if (!IO.outputting())
153 Section.reset(new WasmYAML::CustomSection(SectionName));
154 sectionMapping(IO, *cast<WasmYAML::CustomSection>(Section.get()));
155 }
156 break;
157 }
158 case wasm::WASM_SEC_TYPE:
159 if (!IO.outputting())
160 Section.reset(new WasmYAML::TypeSection());
161 sectionMapping(IO, *cast<WasmYAML::TypeSection>(Section.get()));
162 break;
163 case wasm::WASM_SEC_IMPORT:
164 if (!IO.outputting())
165 Section.reset(new WasmYAML::ImportSection());
166 sectionMapping(IO, *cast<WasmYAML::ImportSection>(Section.get()));
167 break;
168 case wasm::WASM_SEC_FUNCTION:
169 if (!IO.outputting())
170 Section.reset(new WasmYAML::FunctionSection());
171 sectionMapping(IO, *cast<WasmYAML::FunctionSection>(Section.get()));
172 break;
173 case wasm::WASM_SEC_TABLE:
174 if (!IO.outputting())
175 Section.reset(new WasmYAML::TableSection());
176 sectionMapping(IO, *cast<WasmYAML::TableSection>(Section.get()));
177 break;
178 case wasm::WASM_SEC_MEMORY:
179 if (!IO.outputting())
180 Section.reset(new WasmYAML::MemorySection());
181 sectionMapping(IO, *cast<WasmYAML::MemorySection>(Section.get()));
182 break;
183 case wasm::WASM_SEC_GLOBAL:
184 if (!IO.outputting())
185 Section.reset(new WasmYAML::GlobalSection());
186 sectionMapping(IO, *cast<WasmYAML::GlobalSection>(Section.get()));
187 break;
188 case wasm::WASM_SEC_EXPORT:
189 if (!IO.outputting())
190 Section.reset(new WasmYAML::ExportSection());
191 sectionMapping(IO, *cast<WasmYAML::ExportSection>(Section.get()));
192 break;
193 case wasm::WASM_SEC_START:
194 if (!IO.outputting())
195 Section.reset(new WasmYAML::StartSection());
196 sectionMapping(IO, *cast<WasmYAML::StartSection>(Section.get()));
197 break;
198 case wasm::WASM_SEC_ELEM:
199 if (!IO.outputting())
200 Section.reset(new WasmYAML::ElemSection());
201 sectionMapping(IO, *cast<WasmYAML::ElemSection>(Section.get()));
202 break;
203 case wasm::WASM_SEC_CODE:
204 if (!IO.outputting())
205 Section.reset(new WasmYAML::CodeSection());
206 sectionMapping(IO, *cast<WasmYAML::CodeSection>(Section.get()));
207 break;
208 case wasm::WASM_SEC_DATA:
209 if (!IO.outputting())
210 Section.reset(new WasmYAML::DataSection());
211 sectionMapping(IO, *cast<WasmYAML::DataSection>(Section.get()));
212 break;
213 default:
214 llvm_unreachable("Unknown section type");
215 }
216 }
217
218 void ScalarEnumerationTraits<WasmYAML::SectionType>::enumeration(
219 IO &IO, WasmYAML::SectionType &Type) {
220 #define ECase(X) IO.enumCase(Type, #X, wasm::WASM_SEC_##X);
221 ECase(CUSTOM);
222 ECase(TYPE);
223 ECase(IMPORT);
224 ECase(FUNCTION);
225 ECase(TABLE);
226 ECase(MEMORY);
227 ECase(GLOBAL);
228 ECase(EXPORT);
229 ECase(START);
230 ECase(ELEM);
231 ECase(CODE);
232 ECase(DATA);
233 #undef ECase
234 }
235
236 void MappingTraits<WasmYAML::Signature>::mapping(
237 IO &IO, WasmYAML::Signature &Signature) {
238 IO.mapOptional("Index", Signature.Index);
239 IO.mapRequired("ReturnType", Signature.ReturnType);
240 IO.mapRequired("ParamTypes", Signature.ParamTypes);
241 }
242
243 void MappingTraits<WasmYAML::Table>::mapping(IO &IO, WasmYAML::Table &Table) {
244 IO.mapRequired("ElemType", Table.ElemType);
245 IO.mapRequired("Limits", Table.TableLimits);
246 }
247
248 void MappingTraits<WasmYAML::Function>::mapping(IO &IO,
249 WasmYAML::Function &Function) {
250 IO.mapRequired("Locals", Function.Locals);
251 IO.mapRequired("Body", Function.Body);
252 }
253
254 void MappingTraits<WasmYAML::Relocation>::mapping(
255 IO &IO, WasmYAML::Relocation &Relocation) {
256 IO.mapRequired("Type", Relocation.Type);
257 IO.mapRequired("Index", Relocation.Index);
258 IO.mapRequired("Offset", Relocation.Offset);
259 IO.mapOptional("Addend", Relocation.Addend, 0);
260 }
261
262 void MappingTraits<WasmYAML::NameEntry>::mapping(
263 IO &IO, WasmYAML::NameEntry &NameEntry) {
264 IO.mapRequired("Index", NameEntry.Index);
265 IO.mapRequired("Name", NameEntry.Name);
266 }
267
268 void MappingTraits<WasmYAML::SegmentInfo>::mapping(
269 IO &IO, WasmYAML::SegmentInfo &SegmentInfo) {
270 IO.mapRequired("Index", SegmentInfo.Index);
271 IO.mapRequired("Name", SegmentInfo.Name);
272 IO.mapRequired("Alignment", SegmentInfo.Alignment);
273 IO.mapRequired("Flags", SegmentInfo.Flags);
274 }
275
276 void MappingTraits<WasmYAML::LocalDecl>::mapping(
277 IO &IO, WasmYAML::LocalDecl &LocalDecl) {
278 IO.mapRequired("Type", LocalDecl.Type);
279 IO.mapRequired("Count", LocalDecl.Count);
280 }
281
282 void MappingTraits<WasmYAML::Limits>::mapping(IO &IO,
283 WasmYAML::Limits &Limits) {
284 if (!IO.outputting() || Limits.Flags)
285 IO.mapOptional("Flags", Limits.Flags);
286 IO.mapRequired("Initial", Limits.Initial);
287 if (!IO.outputting() || Limits.Flags & wasm::WASM_LIMITS_FLAG_HAS_MAX)
288 IO.mapOptional("Maximum", Limits.Maximum);
289 }
290
291 void MappingTraits<WasmYAML::ElemSegment>::mapping(
292 IO &IO, WasmYAML::ElemSegment &Segment) {
293 IO.mapRequired("Offset", Segment.Offset);
294 IO.mapRequired("Functions", Segment.Functions);
295 }
296
297 void MappingTraits<WasmYAML::Import>::mapping(IO &IO,
298 WasmYAML::Import &Import) {
299 IO.mapRequired("Module", Import.Module);
300 IO.mapRequired("Field", Import.Field);
301 IO.mapRequired("Kind", Import.Kind);
302 if (Import.Kind == wasm::WASM_EXTERNAL_FUNCTION) {
303 IO.mapRequired("SigIndex", Import.SigIndex);
304 } else if (Import.Kind == wasm::WASM_EXTERNAL_GLOBAL) {
305 IO.mapRequired("GlobalType", Import.GlobalImport.Type);
306 IO.mapRequired("GlobalMutable", Import.GlobalImport.Mutable);
307 } else if (Import.Kind == wasm::WASM_EXTERNAL_TABLE) {
308 IO.mapRequired("Table", Import.TableImport);
309 } else if (Import.Kind == wasm::WASM_EXTERNAL_MEMORY ) {
310 IO.mapRequired("Memory", Import.Memory);
311 } else {
312 llvm_unreachable("unhandled import type");
313 }
314 }
315
316 void MappingTraits<WasmYAML::Export>::mapping(IO &IO,
317 WasmYAML::Export &Export) {
318 IO.mapRequired("Name", Export.Name);
319 IO.mapRequired("Kind", Export.Kind);
320 IO.mapRequired("Index", Export.Index);
321 }
322
323 void MappingTraits<WasmYAML::Global>::mapping(IO &IO,
324 WasmYAML::Global &Global) {
325 IO.mapRequired("Type", Global.Type);
326 IO.mapRequired("Mutable", Global.Mutable);
327 IO.mapRequired("InitExpr", Global.InitExpr);
328 }
329
330 void MappingTraits<wasm::WasmInitExpr>::mapping(IO &IO,
331 wasm::WasmInitExpr &Expr) {
332 WasmYAML::Opcode Op = Expr.Opcode;
333 IO.mapRequired("Opcode", Op);
334 Expr.Opcode = Op;
335 switch (Expr.Opcode) {
336 case wasm::WASM_OPCODE_I32_CONST:
337 IO.mapRequired("Value", Expr.Value.Int32);
338 break;
339 case wasm::WASM_OPCODE_I64_CONST:
340 IO.mapRequired("Value", Expr.Value.Int64);
341 break;
342 case wasm::WASM_OPCODE_F32_CONST:
343 IO.mapRequired("Value", Expr.Value.Float32);
344 break;
345 case wasm::WASM_OPCODE_F64_CONST:
346 IO.mapRequired("Value", Expr.Value.Float64);
347 break;
348 case wasm::WASM_OPCODE_GET_GLOBAL:
349 IO.mapRequired("Index", Expr.Value.Global);
350 break;
351 }
352 }
353
354 void MappingTraits<WasmYAML::DataSegment>::mapping(
355 IO &IO, WasmYAML::DataSegment &Segment) {
356 IO.mapOptional("SectionOffset", Segment.SectionOffset);
357 IO.mapRequired("MemoryIndex", Segment.MemoryIndex);
358 IO.mapRequired("Offset", Segment.Offset);
359 IO.mapRequired("Content", Segment.Content);
360 }
361
362 void MappingTraits<WasmYAML::SymbolInfo>::mapping(IO &IO,
363 WasmYAML::SymbolInfo &Info) {
364 IO.mapRequired("Name", Info.Name);
365 IO.mapRequired("Flags", Info.Flags);
366 }
367
368 void ScalarEnumerationTraits<WasmYAML::ValueType>::enumeration(
369 IO &IO, WasmYAML::ValueType &Type) {
370 #define ECase(X) IO.enumCase(Type, #X, wasm::WASM_TYPE_##X);
371 ECase(I32);
372 ECase(I64);
373 ECase(F32);
374 ECase(F64);
375 ECase(ANYFUNC);
376 ECase(FUNC);
377 ECase(NORESULT);
378 #undef ECase
379 }
380
381 void ScalarEnumerationTraits<WasmYAML::ExportKind>::enumeration(
382 IO &IO, WasmYAML::ExportKind &Kind) {
383 #define ECase(X) IO.enumCase(Kind, #X, wasm::WASM_EXTERNAL_##X);
384 ECase(FUNCTION);
385 ECase(TABLE);
386 ECase(MEMORY);
387 ECase(GLOBAL);
388 #undef ECase
389 }
390
391 void ScalarEnumerationTraits<WasmYAML::Opcode>::enumeration(
392 IO &IO, WasmYAML::Opcode &Code) {
393 #define ECase(X) IO.enumCase(Code, #X, wasm::WASM_OPCODE_##X);
394 ECase(END);
395 ECase(I32_CONST);
396 ECase(I64_CONST);
397 ECase(F64_CONST);
398 ECase(F32_CONST);
399 ECase(GET_GLOBAL);
400 #undef ECase
401 }
402
403 void ScalarEnumerationTraits<WasmYAML::TableType>::enumeration(
404 IO &IO, WasmYAML::TableType &Type) {
405 #define ECase(X) IO.enumCase(Type, #X, wasm::WASM_TYPE_##X);
406 ECase(ANYFUNC);
407 #undef ECase
408 }
409
410 void ScalarEnumerationTraits<WasmYAML::RelocType>::enumeration(
411 IO &IO, WasmYAML::RelocType &Type) {
412 #define WASM_RELOC(name, value) IO.enumCase(Type, #name, wasm::name);
413 #include "llvm/BinaryFormat/WasmRelocs/WebAssembly.def"
414 #undef WASM_RELOC
415 }
416
417 } // end namespace yaml
418
419 } // end namespace llvm