| //===-- AppleObjCRuntimeV1.h ------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIMEV1_H |
| #define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIMEV1_H |
| |
| #include "AppleObjCRuntime.h" |
| #include "lldb/lldb-private.h" |
| |
| #include "Plugins/LanguageRuntime/ObjC/ObjCLanguageRuntime.h" |
| |
| namespace lldb_private { |
| |
| class AppleObjCRuntimeV1 : public AppleObjCRuntime { |
| public: |
| ~AppleObjCRuntimeV1() override = default; |
| |
| // Static Functions |
| static void Initialize(); |
| |
| static void Terminate(); |
| |
| static lldb_private::LanguageRuntime * |
| CreateInstance(Process *process, lldb::LanguageType language); |
| |
| static lldb_private::ConstString GetPluginNameStatic(); |
| |
| static char ID; |
| |
| bool isA(const void *ClassID) const override { |
| return ClassID == &ID || AppleObjCRuntime::isA(ClassID); |
| } |
| |
| static bool classof(const LanguageRuntime *runtime) { |
| return runtime->isA(&ID); |
| } |
| |
| lldb::addr_t GetTaggedPointerObfuscator(); |
| |
| class ClassDescriptorV1 : public ObjCLanguageRuntime::ClassDescriptor { |
| public: |
| ClassDescriptorV1(ValueObject &isa_pointer); |
| ClassDescriptorV1(ObjCISA isa, lldb::ProcessSP process_sp); |
| |
| ~ClassDescriptorV1() override = default; |
| |
| ConstString GetClassName() override { return m_name; } |
| |
| ClassDescriptorSP GetSuperclass() override; |
| |
| ClassDescriptorSP GetMetaclass() const override; |
| |
| bool IsValid() override { return m_valid; } |
| |
| // v1 does not support tagged pointers |
| bool GetTaggedPointerInfo(uint64_t *info_bits = nullptr, |
| uint64_t *value_bits = nullptr, |
| uint64_t *payload = nullptr) override { |
| return false; |
| } |
| |
| bool GetTaggedPointerInfoSigned(uint64_t *info_bits = nullptr, |
| int64_t *value_bits = nullptr, |
| uint64_t *payload = nullptr) override { |
| return false; |
| } |
| |
| uint64_t GetInstanceSize() override { return m_instance_size; } |
| |
| ObjCISA GetISA() override { return m_isa; } |
| |
| bool |
| Describe(std::function<void(ObjCLanguageRuntime::ObjCISA)> const |
| &superclass_func, |
| std::function<bool(const char *, const char *)> const |
| &instance_method_func, |
| std::function<bool(const char *, const char *)> const |
| &class_method_func, |
| std::function<bool(const char *, const char *, lldb::addr_t, |
| uint64_t)> const &ivar_func) const override; |
| |
| protected: |
| void Initialize(ObjCISA isa, lldb::ProcessSP process_sp); |
| |
| private: |
| ConstString m_name; |
| ObjCISA m_isa; |
| ObjCISA m_parent_isa; |
| bool m_valid; |
| lldb::ProcessWP m_process_wp; |
| uint64_t m_instance_size; |
| }; |
| |
| // These are generic runtime functions: |
| bool GetDynamicTypeAndAddress(ValueObject &in_value, |
| lldb::DynamicValueType use_dynamic, |
| TypeAndOrName &class_type_or_name, |
| Address &address, |
| Value::ValueType &value_type) override; |
| |
| llvm::Expected<std::unique_ptr<UtilityFunction>> |
| CreateObjectChecker(std::string, ExecutionContext &exe_ctx) override; |
| |
| // PluginInterface protocol |
| ConstString GetPluginName() override; |
| |
| uint32_t GetPluginVersion() override; |
| |
| ObjCRuntimeVersions GetRuntimeVersion() const override { |
| return ObjCRuntimeVersions::eAppleObjC_V1; |
| } |
| |
| void UpdateISAToDescriptorMapIfNeeded() override; |
| |
| DeclVendor *GetDeclVendor() override; |
| |
| protected: |
| lldb::BreakpointResolverSP |
| CreateExceptionResolver(const lldb::BreakpointSP &bkpt, |
| bool catch_bp, bool throw_bp) override; |
| |
| class HashTableSignature { |
| public: |
| HashTableSignature() |
| : m_count(0), m_num_buckets(0), m_buckets_ptr(LLDB_INVALID_ADDRESS) {} |
| |
| bool NeedsUpdate(uint32_t count, uint32_t num_buckets, |
| lldb::addr_t buckets_ptr) { |
| return m_count != count || m_num_buckets != num_buckets || |
| m_buckets_ptr != buckets_ptr; |
| } |
| |
| void UpdateSignature(uint32_t count, uint32_t num_buckets, |
| lldb::addr_t buckets_ptr) { |
| m_count = count; |
| m_num_buckets = num_buckets; |
| m_buckets_ptr = buckets_ptr; |
| } |
| |
| protected: |
| uint32_t m_count; |
| uint32_t m_num_buckets; |
| lldb::addr_t m_buckets_ptr; |
| }; |
| |
| lldb::addr_t GetISAHashTablePointer(); |
| |
| HashTableSignature m_hash_signature; |
| lldb::addr_t m_isa_hash_table_ptr; |
| std::unique_ptr<DeclVendor> m_decl_vendor_up; |
| |
| private: |
| AppleObjCRuntimeV1(Process *process); |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_APPLEOBJCRUNTIME_APPLEOBJCRUNTIMEV1_H |