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Diffstat (limited to 'include/llvm/DebugInfo/DWARFFormValue.h')
-rw-r--r-- | include/llvm/DebugInfo/DWARFFormValue.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/include/llvm/DebugInfo/DWARFFormValue.h b/include/llvm/DebugInfo/DWARFFormValue.h deleted file mode 100644 index 5bb6d1b9ddb02..0000000000000 --- a/include/llvm/DebugInfo/DWARFFormValue.h +++ /dev/null @@ -1,93 +0,0 @@ -//===-- DWARFFormValue.h ----------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_DEBUGINFO_DWARFFORMVALUE_H -#define LLVM_DEBUGINFO_DWARFFORMVALUE_H - -#include "llvm/ADT/ArrayRef.h" -#include "llvm/ADT/Optional.h" -#include "llvm/Support/DataExtractor.h" - -namespace llvm { - -class DWARFUnit; -class raw_ostream; - -class DWARFFormValue { -public: - enum FormClass { - FC_Unknown, - FC_Address, - FC_Block, - FC_Constant, - FC_String, - FC_Flag, - FC_Reference, - FC_Indirect, - FC_SectionOffset, - FC_Exprloc - }; - -private: - struct ValueType { - ValueType() : data(nullptr) { - uval = 0; - } - - union { - uint64_t uval; - int64_t sval; - const char* cstr; - }; - const uint8_t* data; - }; - - uint16_t Form; // Form for this value. - ValueType Value; // Contains all data for the form. - -public: - DWARFFormValue(uint16_t Form = 0) : Form(Form) {} - uint16_t getForm() const { return Form; } - bool isFormClass(FormClass FC) const; - - void dump(raw_ostream &OS, const DWARFUnit *U) const; - - /// \brief extracts a value in data at offset *offset_ptr. - /// - /// The passed DWARFUnit is allowed to be nullptr, in which - /// case no relocation processing will be performed and some - /// kind of forms that depend on Unit information are disallowed. - /// \returns wether the extraction succeeded. - bool extractValue(DataExtractor data, uint32_t *offset_ptr, - const DWARFUnit *u); - bool isInlinedCStr() const { - return Value.data != nullptr && Value.data == (const uint8_t*)Value.cstr; - } - - /// getAsFoo functions below return the extracted value as Foo if only - /// DWARFFormValue has form class is suitable for representing Foo. - Optional<uint64_t> getAsReference(const DWARFUnit *U) const; - Optional<uint64_t> getAsUnsignedConstant() const; - Optional<const char *> getAsCString(const DWARFUnit *U) const; - Optional<uint64_t> getAsAddress(const DWARFUnit *U) const; - Optional<uint64_t> getAsSectionOffset() const; - Optional<ArrayRef<uint8_t>> getAsBlock() const; - - bool skipValue(DataExtractor debug_info_data, uint32_t *offset_ptr, - const DWARFUnit *u) const; - static bool skipValue(uint16_t form, DataExtractor debug_info_data, - uint32_t *offset_ptr, const DWARFUnit *u); - - static ArrayRef<uint8_t> getFixedFormSizes(uint8_t AddrSize, - uint16_t Version); -}; - -} - -#endif |