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Differential D145308 Diff 507884 lld/wasm/InputFiles.h

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lld/wasm/InputFiles.h

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class InputFile {		class InputFile {
public:		public:
enum Kind {		enum Kind {
ObjectKind,		ObjectKind,
SharedKind,		SharedKind,
ArchiveKind,		ArchiveKind,
BitcodeKind,		BitcodeKind,
		StubKind,
};		};

virtual ~InputFile() {}		virtual ~InputFile() {}

// Returns the filename.		// Returns the filename.
StringRef getName() const { return mb.getBufferIdentifier(); }		StringRef getName() const { return mb.getBufferIdentifier(); }

Kind kind() const { return fileKind; }		Kind kind() const { return fileKind; }
▲ Show 20 Lines • Show All 120 Lines • ▼ Show 20 Lines	public:
void parse();		void parse();
std::unique_ptr<llvm::lto::InputFile> obj;		std::unique_ptr<llvm::lto::InputFile> obj;

// Set to true once LTO is complete in order prevent further bitcode objects		// Set to true once LTO is complete in order prevent further bitcode objects
// being added.		// being added.
static bool doneLTO;		static bool doneLTO;
};		};

		// Stub libray (See docs/WebAssembly.rst)
		class StubFile : public InputFile {
		public:
		explicit StubFile(MemoryBufferRef m) : InputFile(StubKind, m) {}

		static bool classof(const InputFile *f) { return f->kind() == StubKind; }

		void parse();

		llvm::DenseMap<StringRef, std::vector<StringRef>> symbolDependencies;
		};

inline bool isBitcode(MemoryBufferRef mb) {		inline bool isBitcode(MemoryBufferRef mb) {
return identify_magic(mb.getBuffer()) == llvm::file_magic::bitcode;		return identify_magic(mb.getBuffer()) == llvm::file_magic::bitcode;
}		}

// Will report a fatal() error if the input buffer is not a valid bitcode		// Will report a fatal() error if the input buffer is not a valid bitcode
// or wasm object file.		// or wasm object file.
InputFile *createObjectFile(MemoryBufferRef mb, StringRef archiveName = "",		InputFile *createObjectFile(MemoryBufferRef mb, StringRef archiveName = "",
uint64_t offsetInArchive = 0);		uint64_t offsetInArchive = 0);
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