17491d9130
- it is always passed as zero - a lot of plugins aren't using it correctly - the data extractor class already has the capability to look at a subset of bytes
129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
//===-- ObjectFileJSON.h -------------------------------------- -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_OBJECTFILE_JSON_OBJECTFILEJSON_H
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#define LLDB_SOURCE_PLUGINS_OBJECTFILE_JSON_OBJECTFILEJSON_H
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Utility/ArchSpec.h"
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#include "llvm/Support/JSON.h"
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namespace lldb_private {
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class ObjectFileJSON : public ObjectFile {
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public:
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static void Initialize();
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static void Terminate();
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static llvm::StringRef GetPluginNameStatic() { return "JSON"; }
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static const char *GetPluginDescriptionStatic() {
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return "JSON object file reader.";
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}
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static ObjectFile *CreateInstance(const lldb::ModuleSP &module_sp,
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lldb::DataExtractorSP extractor_sp,
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lldb::offset_t data_offset,
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const FileSpec *file,
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lldb::offset_t file_offset,
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lldb::offset_t length);
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static ObjectFile *CreateMemoryInstance(const lldb::ModuleSP &module_sp,
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lldb::WritableDataBufferSP data_sp,
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const lldb::ProcessSP &process_sp,
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lldb::addr_t header_addr);
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static ModuleSpecList
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GetModuleSpecifications(const FileSpec &file,
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lldb::DataExtractorSP &extractor_sp,
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lldb::offset_t file_offset, lldb::offset_t length);
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llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
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// LLVM RTTI support
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static char ID;
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bool isA(const void *ClassID) const override {
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return ClassID == &ID || ObjectFile::isA(ClassID);
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}
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static bool classof(const ObjectFile *obj) { return obj->isA(&ID); }
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bool ParseHeader() override;
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lldb::ByteOrder GetByteOrder() const override {
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return m_arch.GetByteOrder();
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}
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bool IsExecutable() const override { return false; }
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uint32_t GetAddressByteSize() const override {
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return m_arch.GetAddressByteSize();
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}
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AddressClass GetAddressClass(lldb::addr_t file_addr) override {
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return AddressClass::eInvalid;
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}
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void ParseSymtab(lldb_private::Symtab &symtab) override;
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bool IsStripped() override { return false; }
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void CreateSections(SectionList &unified_section_list) override;
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void Dump(Stream *s) override {}
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ArchSpec GetArchitecture() override { return m_arch; }
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UUID GetUUID() override { return m_uuid; }
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uint32_t GetDependentModules(FileSpecList &files) override { return 0; }
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Type CalculateType() override { return m_type; }
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Strata CalculateStrata() override { return eStrataUser; }
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bool SetLoadAddress(Target &target, lldb::addr_t value,
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bool value_is_offset) override;
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static bool MagicBytesMatch(lldb::DataExtractorSP extractor_sp);
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struct Header {
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std::string triple;
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std::string uuid;
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std::optional<ObjectFile::Type> type;
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};
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struct Body {
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std::vector<JSONSection> sections;
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std::vector<JSONSymbol> symbols;
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};
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private:
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ArchSpec m_arch;
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UUID m_uuid;
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ObjectFile::Type m_type;
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std::optional<uint64_t> m_size;
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std::vector<JSONSymbol> m_symbols;
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std::vector<JSONSection> m_sections;
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ObjectFileJSON(const lldb::ModuleSP &module_sp,
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lldb::DataExtractorSP extractor_sp, lldb::offset_t data_offset,
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const FileSpec *file, lldb::offset_t offset,
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lldb::offset_t length, ArchSpec arch, UUID uuid, Type type,
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std::vector<JSONSymbol> symbols,
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std::vector<JSONSection> sections);
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};
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bool fromJSON(const llvm::json::Value &value, ObjectFileJSON::Header &header,
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llvm::json::Path path);
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bool fromJSON(const llvm::json::Value &value, ObjectFileJSON::Body &body,
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llvm::json::Path path);
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_OBJECTFILE_JSON_OBJECTFILEJSON_H
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