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Differential D117853 Diff 402178 lld/ELF/OutputSections.h

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lld/ELF/OutputSections.h

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namespace lld {		namespace lld {
namespace elf {		namespace elf {

struct PhdrEntry;		struct PhdrEntry;
class InputSection;		class InputSection;
class InputSectionBase;		class InputSectionBase;

		struct CompressedData {
		std::unique_ptr<SmallVector<uint8_t, 0>[]> shards;
		uint32_t numShards = 0;
		uint32_t checksum = 0;
		};

// This represents a section in an output file.		// This represents a section in an output file.
// It is composed of multiple InputSections.		// It is composed of multiple InputSections.
// The writer creates multiple OutputSections and assign them unique,		// The writer creates multiple OutputSections and assign them unique,
// non-overlapping file offsets and VAs.		// non-overlapping file offsets and VAs.
class OutputSection final : public SectionCommand, public SectionBase {		class OutputSection final : public SectionCommand, public SectionBase {
public:		public:
OutputSection(StringRef name, uint32_t type, uint64_t flags);		OutputSection(StringRef name, uint32_t type, uint64_t flags);

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void sort(llvm::function_ref<int(InputSectionBase *s)> order);		void sort(llvm::function_ref<int(InputSectionBase *s)> order);
void sortInitFini();		void sortInitFini();
void sortCtorsDtors();		void sortCtorsDtors();

private:		private:
// Used for implementation of --compress-debug-sections option.		// Used for implementation of --compress-debug-sections option.
SmallVector<uint8_t, 0> zDebugHeader;		SmallVector<uint8_t, 0> zDebugHeader;
SmallVector<char, 0> compressedData;		CompressedData compressed;

std::array<uint8_t, 4> getFiller();		std::array<uint8_t, 4> getFiller();
};		};

int getPriority(StringRef s);		int getPriority(StringRef s);

InputSection getFirstInputSection(const OutputSection os);		InputSection getFirstInputSection(const OutputSection os);
SmallVector<InputSection *, 0> getInputSections(const OutputSection &os);		SmallVector<InputSection *, 0> getInputSections(const OutputSection &os);
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