e84f78412b
Summary: On the heels of D62934, this patch uses the same approach to introduce llvm RTTI support to the ObjectFile hierarchy. It also replaces the existing uses of GetPluginName doing run-time type checks with llvm::dyn_cast and friends. This formally introduces new dependencies from some other plugins to ObjectFile plugins. However, I believe this is fine because: - these dependencies were already kind of there, and the only reason we could get away with not modeling them explicitly was because the code was relying on magically knowing what will GetPluginName() return for a particular kind of object files. - the dependencies themselves are logical (it makes sense for SymbolVendorELF to depend on ObjectFileELF), or at least don't actively get in the way (the JitLoaderGDB->MachO thing). - they don't introduce any new dependency loops as ObjectFile plugins don't depend on any other plugins Reviewers: xiaobai, JDevlieghere, espindola Subscribers: emaste, mgorny, arichardson, MaskRay, lldb-commits Differential Revision: https://reviews.llvm.org/D65450 llvm-svn: 367413
109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
//===-- ObjectFileBreakpad.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_PLUGINS_OBJECTFILE_BREAKPAD_OBJECTFILEBREAKPAD_H
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#define LLDB_PLUGINS_OBJECTFILE_BREAKPAD_OBJECTFILEBREAKPAD_H
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Utility/ArchSpec.h"
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namespace lldb_private {
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namespace breakpad {
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class ObjectFileBreakpad : public ObjectFile {
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public:
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// Static Functions
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static void Initialize();
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static void Terminate();
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static ConstString GetPluginNameStatic();
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static const char *GetPluginDescriptionStatic() {
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return "Breakpad object file reader.";
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}
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static ObjectFile *
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CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset, const FileSpec *file,
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lldb::offset_t file_offset, lldb::offset_t length);
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static ObjectFile *CreateMemoryInstance(const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP &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 size_t GetModuleSpecifications(const FileSpec &file,
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lldb::DataBufferSP &data_sp,
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lldb::offset_t data_offset,
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lldb::offset_t file_offset,
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lldb::offset_t length,
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ModuleSpecList &specs);
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// PluginInterface protocol
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ConstString GetPluginName() override { return GetPluginNameStatic(); }
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uint32_t GetPluginVersion() override { return 1; }
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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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// ObjectFile Protocol.
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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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Symtab *GetSymtab() 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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FileSpecList GetDebugSymbolFilePaths() override { return FileSpecList(); }
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uint32_t GetDependentModules(FileSpecList &files) override { return 0; }
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Type CalculateType() override { return eTypeDebugInfo; }
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Strata CalculateStrata() override { return eStrataUser; }
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private:
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ArchSpec m_arch;
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UUID m_uuid;
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ObjectFileBreakpad(const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP &data_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);
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};
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} // namespace breakpad
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} // namespace lldb_private
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#endif // LLDB_PLUGINS_OBJECTFILE_BREAKPAD_OBJECTFILEBREAKPAD_H
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