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ObjCLanguageRuntime.h
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1 //===-- ObjCLanguageRuntime.h -----------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_OBJCLANGUAGERUNTIME_H
10 #define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_OBJCLANGUAGERUNTIME_H
11 
12 #include <functional>
13 #include <map>
14 #include <memory>
15 #include <unordered_set>
16 
17 #include "llvm/Support/Casting.h"
18 
23 #include "lldb/Symbol/Type.h"
25 #include "lldb/lldb-private.h"
26 
28 
29 namespace lldb_private {
30 
31 class TypeSystemClang;
32 class UtilityFunction;
33 
35 public:
36  enum class ObjCRuntimeVersions {
38  eAppleObjC_V1 = 1,
39  eAppleObjC_V2 = 2
40  };
41 
43 
45  typedef std::shared_ptr<ClassDescriptor> ClassDescriptorSP;
46 
47  // the information that we want to support retrieving from an ObjC class this
48  // needs to be pure virtual since there are at least 2 different
49  // implementations of the runtime, and more might come
51  public:
53 
54  virtual ~ClassDescriptor() = default;
55 
56  virtual ConstString GetClassName() = 0;
57 
58  virtual ClassDescriptorSP GetSuperclass() = 0;
59 
60  virtual ClassDescriptorSP GetMetaclass() const = 0;
61 
62  // virtual if any implementation has some other version-specific rules but
63  // for the known v1/v2 this is all that needs to be done
64  virtual bool IsKVO() {
66  const char *class_name = GetClassName().AsCString();
67  if (class_name && *class_name)
68  m_is_kvo =
69  (LazyBool)(strstr(class_name, "NSKVONotifying_") == class_name);
70  }
71  return (m_is_kvo == eLazyBoolYes);
72  }
73 
74  // virtual if any implementation has some other version-specific rules but
75  // for the known v1/v2 this is all that needs to be done
76  virtual bool IsCFType() {
77  if (m_is_cf == eLazyBoolCalculate) {
78  const char *class_name = GetClassName().AsCString();
79  if (class_name && *class_name)
80  m_is_cf = (LazyBool)(strcmp(class_name, "__NSCFType") == 0 ||
81  strcmp(class_name, "NSCFType") == 0);
82  }
83  return (m_is_cf == eLazyBoolYes);
84  }
85 
86  virtual bool IsValid() = 0;
87 
88  /// There are two routines in the ObjC runtime that tagged pointer clients
89  /// can call to get the value from their tagged pointer, one that retrieves
90  /// it as an unsigned value and one a signed value. These two
91  /// GetTaggedPointerInfo methods mirror those two ObjC runtime calls.
92  /// @{
93  virtual bool GetTaggedPointerInfo(uint64_t *info_bits = nullptr,
94  uint64_t *value_bits = nullptr,
95  uint64_t *payload = nullptr) = 0;
96 
97  virtual bool GetTaggedPointerInfoSigned(uint64_t *info_bits = nullptr,
98  int64_t *value_bits = nullptr,
99  uint64_t *payload = nullptr) = 0;
100  /// @}
101 
102  virtual uint64_t GetInstanceSize() = 0;
103 
104  // use to implement version-specific additional constraints on pointers
105  virtual bool CheckPointer(lldb::addr_t value, uint32_t ptr_size) const {
106  return true;
107  }
108 
109  virtual ObjCISA GetISA() = 0;
110 
111  // This should return true iff the interface could be completed
112  virtual bool
113  Describe(std::function<void(ObjCISA)> const &superclass_func,
114  std::function<bool(const char *, const char *)> const
115  &instance_method_func,
116  std::function<bool(const char *, const char *)> const
117  &class_method_func,
118  std::function<bool(const char *, const char *, lldb::addr_t,
119  uint64_t)> const &ivar_func) const {
120  return false;
121  }
122 
123  lldb::TypeSP GetType() { return m_type_wp.lock(); }
124 
125  void SetType(const lldb::TypeSP &type_sp) { m_type_wp = type_sp; }
126 
127  struct iVarDescriptor {
130  uint64_t m_size;
131  int32_t m_offset;
132  };
133 
134  virtual size_t GetNumIVars() { return 0; }
135 
136  virtual iVarDescriptor GetIVarAtIndex(size_t idx) {
137  return iVarDescriptor();
138  }
139 
140  protected:
141  bool IsPointerValid(lldb::addr_t value, uint32_t ptr_size,
142  bool allow_NULLs = false, bool allow_tagged = false,
143  bool check_version_specific = false) const;
144 
145  private:
148  lldb::TypeWP m_type_wp;
149  };
150 
152  public:
153  virtual ~EncodingToType();
154 
155  virtual CompilerType RealizeType(TypeSystemClang &ast_ctx, const char *name,
156  bool for_expression) = 0;
157  virtual CompilerType RealizeType(const char *name, bool for_expression);
158 
159  protected:
160  std::unique_ptr<TypeSystemClang> m_scratch_ast_ctx_up;
161  };
162 
164  public:
166 
167  ~ObjCExceptionPrecondition() override = default;
168 
169  bool EvaluatePrecondition(StoppointCallbackContext &context) override;
170  void GetDescription(Stream &stream, lldb::DescriptionLevel level) override;
171  Status ConfigurePrecondition(Args &args) override;
172 
173  protected:
174  void AddClassName(const char *class_name);
175 
176  private:
177  std::unordered_set<std::string> m_class_names;
178  };
179 
180  static lldb::BreakpointPreconditionSP
182  bool throw_bp);
183 
185  public:
186  virtual ~TaggedPointerVendor() = default;
187 
188  virtual bool IsPossibleTaggedPointer(lldb::addr_t ptr) = 0;
189 
192 
193  protected:
194  TaggedPointerVendor() = default;
195 
196  private:
197  TaggedPointerVendor(const TaggedPointerVendor &) = delete;
198  const TaggedPointerVendor &operator=(const TaggedPointerVendor &) = delete;
199  };
200 
201  ~ObjCLanguageRuntime() override;
202 
203  static char ID;
204 
205  bool isA(const void *ClassID) const override {
206  return ClassID == &ID || LanguageRuntime::isA(ClassID);
207  }
208 
209  static bool classof(const LanguageRuntime *runtime) {
210  return runtime->isA(&ID);
211  }
212 
213  static ObjCLanguageRuntime *Get(Process &process) {
214  return llvm::cast_or_null<ObjCLanguageRuntime>(
216  }
217 
218  virtual TaggedPointerVendor *GetTaggedPointerVendor() { return nullptr; }
219 
220  typedef std::shared_ptr<EncodingToType> EncodingToTypeSP;
221 
223 
225 
227 
228  virtual ClassDescriptorSP
230 
232 
234 
237  }
238 
239  virtual bool IsModuleObjCLibrary(const lldb::ModuleSP &module_sp) = 0;
240 
241  virtual bool ReadObjCLibrary(const lldb::ModuleSP &module_sp) = 0;
242 
243  virtual bool HasReadObjCLibrary() = 0;
244 
246 
247  void AddToMethodCache(lldb::addr_t class_addr, lldb::addr_t sel,
248  lldb::addr_t impl_addr);
249 
251 
252  void AddToClassNameCache(lldb::addr_t class_addr, const char *name,
253  lldb::TypeSP type_sp);
254 
255  void AddToClassNameCache(lldb::addr_t class_addr,
256  const TypeAndOrName &class_or_type_name);
257 
258  lldb::TypeSP LookupInCompleteClassCache(ConstString &name);
259 
260  llvm::Optional<CompilerType> GetRuntimeType(CompilerType base_type) override;
261 
262  virtual llvm::Expected<std::unique_ptr<UtilityFunction>>
264 
267  }
268 
269  bool IsValidISA(ObjCISA isa) {
271  return m_isa_to_descriptor.count(isa) > 0;
272  }
273 
274  virtual void UpdateISAToDescriptorMapIfNeeded() = 0;
275 
279  }
280  }
281 
282  virtual ObjCISA GetISA(ConstString name);
283 
284  virtual ObjCISA GetParentClass(ObjCISA isa);
285 
286  // Finds the byte offset of the child_type ivar in parent_type. If it can't
287  // find the offset, returns LLDB_INVALID_IVAR_OFFSET.
288 
289  virtual size_t GetByteOffsetForIvar(CompilerType &parent_qual_type,
290  const char *ivar_name);
291 
296  else
298  }
299 
301  }
302 
303  void SymbolsDidLoad(const ModuleList &module_list) override {
305  }
306 
307  bool GetTypeBitSize(const CompilerType &compiler_type,
308  uint64_t &size) override;
309 
310  /// Check whether the name is "self" or "_cmd" and should show up in
311  /// "frame variable".
312  bool IsAllowedRuntimeValue(ConstString name) override;
313 
314 protected:
315  // Classes that inherit from ObjCLanguageRuntime can see and modify these
316  ObjCLanguageRuntime(Process *process);
317 
318  virtual bool CalculateHasNewLiteralsAndIndexing() { return false; }
319 
320  bool ISAIsCached(ObjCISA isa) const {
321  return m_isa_to_descriptor.find(isa) != m_isa_to_descriptor.end();
322  }
323 
324  bool AddClass(ObjCISA isa, const ClassDescriptorSP &descriptor_sp) {
325  if (isa != 0) {
326  m_isa_to_descriptor[isa] = descriptor_sp;
327  return true;
328  }
329  return false;
330  }
331 
332  bool AddClass(ObjCISA isa, const ClassDescriptorSP &descriptor_sp,
333  const char *class_name);
334 
335  bool AddClass(ObjCISA isa, const ClassDescriptorSP &descriptor_sp,
336  uint32_t class_name_hash) {
337  if (isa != 0) {
338  m_isa_to_descriptor[isa] = descriptor_sp;
339  m_hash_to_isa_map.insert(std::make_pair(class_name_hash, isa));
340  return true;
341  }
342  return false;
343  }
344 
345 private:
346  // We keep a map of <Class,Selector>->Implementation so we don't have to call
347  // the resolver function over and over.
348 
349  // FIXME: We need to watch for the loading of Protocols, and flush the cache
350  // for any
351  // class that we see so changed.
352 
353  struct ClassAndSel {
357  }
358 
359  ClassAndSel(lldb::addr_t in_sel_addr, lldb::addr_t in_class_addr)
360  : class_addr(in_class_addr), sel_addr(in_sel_addr) {}
361 
362  bool operator==(const ClassAndSel &rhs) {
363  if (class_addr == rhs.class_addr && sel_addr == rhs.sel_addr)
364  return true;
365  else
366  return false;
367  }
368 
369  bool operator<(const ClassAndSel &rhs) const {
370  if (class_addr < rhs.class_addr)
371  return true;
372  else if (class_addr > rhs.class_addr)
373  return false;
374  else {
375  if (sel_addr < rhs.sel_addr)
376  return true;
377  else
378  return false;
379  }
380  }
381 
384  };
385 
386  typedef std::map<ClassAndSel, lldb::addr_t> MsgImplMap;
387  typedef std::map<ObjCISA, ClassDescriptorSP> ISAToDescriptorMap;
388  typedef std::multimap<uint32_t, ObjCISA> HashToISAMap;
389  typedef ISAToDescriptorMap::iterator ISAToDescriptorIterator;
390  typedef HashToISAMap::iterator HashToISAIterator;
392 
398 
399 protected:
401 
402  typedef std::map<ConstString, lldb::TypeWP> CompleteClassMap;
404 
406  size_t operator()(ConstString arg) const // for hashing
407  {
408  return (size_t)arg.GetCString();
409  }
411  ConstString arg2) const // for equality
412  {
413  return arg1.operator==(arg2);
414  }
415  };
416  typedef std::unordered_set<ConstString, ConstStringSetHelpers,
417  ConstStringSetHelpers>
420 
422 
423  friend class ::CommandObjectObjC_ClassTable_Dump;
424 
425  std::pair<ISAToDescriptorIterator, ISAToDescriptorIterator>
426  GetDescriptorIteratorPair(bool update_if_needed = true);
427 
428  void ReadObjCLibraryIfNeeded(const ModuleList &module_list);
429 
430  ObjCLanguageRuntime(const ObjCLanguageRuntime &) = delete;
431  const ObjCLanguageRuntime &operator=(const ObjCLanguageRuntime &) = delete;
432 };
433 
434 } // namespace lldb_private
435 
436 #endif // LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_OBJC_OBJCLANGUAGERUNTIME_H
lldb_private::ObjCLanguageRuntime::ObjCLanguageRuntime
ObjCLanguageRuntime(Process *process)
Definition: ObjCLanguageRuntime.cpp:37
lldb_private::ObjCLanguageRuntime::ClassDescriptor::IsValid
virtual bool IsValid()=0
lldb_private::ExecutionContext
Definition: ExecutionContext.h:292
lldb_private::ObjCLanguageRuntime::ClassDescriptor::~ClassDescriptor
virtual ~ClassDescriptor()=default
lldb_private::ObjCLanguageRuntime::ClassDescriptor::iVarDescriptor::m_offset
int32_t m_offset
Definition: ObjCLanguageRuntime.h:131
lldb_private::ObjCLanguageRuntime::TaggedPointerVendor
Definition: ObjCLanguageRuntime.h:184
lldb_private::ObjCLanguageRuntime::GetByteOffsetForIvar
virtual size_t GetByteOffsetForIvar(CompilerType &parent_qual_type, const char *ivar_name)
Definition: ObjCLanguageRuntime.cpp:143
lldb_private::StoppointCallbackContext
General Outline: When we hit a breakpoint we need to package up whatever information is needed to eva...
Definition: StoppointCallbackContext.h:26
lldb_private::ObjCLanguageRuntime::ConstStringSetHelpers::operator()
bool operator()(ConstString arg1, ConstString arg2) const
Definition: ObjCLanguageRuntime.h:410
lldb_private::ObjCLanguageRuntime::GetNonKVOClassDescriptor
ClassDescriptorSP GetNonKVOClassDescriptor(ValueObject &in_value)
Definition: ObjCLanguageRuntime.cpp:258
lldb_private::ObjCLanguageRuntime::m_complete_class_cache
CompleteClassMap m_complete_class_cache
Definition: ObjCLanguageRuntime.h:403
lldb_private::ObjCLanguageRuntime::ClassAndSel::class_addr
lldb::addr_t class_addr
Definition: ObjCLanguageRuntime.h:382
lldb_private::ObjCLanguageRuntime::GetLanguageType
lldb::LanguageType GetLanguageType() const override
Definition: ObjCLanguageRuntime.h:235
lldb_private::ObjCLanguageRuntime::GetTaggedPointerVendor
virtual TaggedPointerVendor * GetTaggedPointerVendor()
Definition: ObjCLanguageRuntime.h:218
lldb_private::ObjCLanguageRuntime
Definition: ObjCLanguageRuntime.h:34
lldb_private::ObjCLanguageRuntime::GetDescriptorIterator
ISAToDescriptorIterator GetDescriptorIterator(ConstString name)
Definition: ObjCLanguageRuntime.cpp:170
lldb_private::ObjCLanguageRuntime::ClassDescriptorSP
std::shared_ptr< ClassDescriptor > ClassDescriptorSP
Definition: ObjCLanguageRuntime.h:44
lldb_private::ObjCLanguageRuntime::ReadObjCLibrary
virtual bool ReadObjCLibrary(const lldb::ModuleSP &module_sp)=0
lldb_private::ObjCLanguageRuntime::ObjCExceptionPrecondition::ObjCExceptionPrecondition
ObjCExceptionPrecondition()
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetMetaclass
virtual ClassDescriptorSP GetMetaclass() const =0
lldb_private::ObjCLanguageRuntime::GetClassDescriptorFromClassName
virtual ClassDescriptorSP GetClassDescriptorFromClassName(ConstString class_name)
Definition: ObjCLanguageRuntime.cpp:226
lldb_private::ObjCLanguageRuntime::Get
static ObjCLanguageRuntime * Get(Process &process)
Definition: ObjCLanguageRuntime.h:213
lldb_private::ObjCLanguageRuntime::CompleteClassSet
std::unordered_set< ConstString, ConstStringSetHelpers, ConstStringSetHelpers > CompleteClassSet
Definition: ObjCLanguageRuntime.h:418
lldb_private::ObjCLanguageRuntime::GetClassDescriptorFromISA
virtual ClassDescriptorSP GetClassDescriptorFromISA(ObjCISA isa)
Definition: ObjCLanguageRuntime.cpp:273
lldb_private::eLazyBoolYes
@ eLazyBoolYes
Definition: lldb-private-enumerations.h:115
lldb_private::ObjCLanguageRuntime::HashToISAIterator
HashToISAMap::iterator HashToISAIterator
Definition: ObjCLanguageRuntime.h:390
lldb_private::Process
Definition: Process.h:342
lldb_private::ObjCLanguageRuntime::EncodingToTypeSP
std::shared_ptr< EncodingToType > EncodingToTypeSP
Definition: ObjCLanguageRuntime.h:220
lldb_private::ObjCLanguageRuntime::~ObjCLanguageRuntime
~ObjCLanguageRuntime() override
lldb_private::ObjCLanguageRuntime::EncodingToType::m_scratch_ast_ctx_up
std::unique_ptr< TypeSystemClang > m_scratch_ast_ctx_up
Definition: ObjCLanguageRuntime.h:160
lldb_private::ObjCLanguageRuntime::ClassAndSel::operator<
bool operator<(const ClassAndSel &rhs) const
Definition: ObjCLanguageRuntime.h:369
lldb_private::ObjCLanguageRuntime::ClassDescriptor::IsPointerValid
bool IsPointerValid(lldb::addr_t value, uint32_t ptr_size, bool allow_NULLs=false, bool allow_tagged=false, bool check_version_specific=false) const
Definition: ObjCLanguageRuntime.cpp:148
lldb::LanguageType
LanguageType
Programming language type.
Definition: lldb-enumerations.h:436
lldb_private::ObjCLanguageRuntime::GetISA
virtual ObjCISA GetISA(ConstString name)
Definition: ObjCLanguageRuntime.cpp:162
lldb_private::ObjCLanguageRuntime::GetBreakpointExceptionPrecondition
static lldb::BreakpointPreconditionSP GetBreakpointExceptionPrecondition(lldb::LanguageType language, bool throw_bp)
Definition: ObjCLanguageRuntime.cpp:349
lldb_private::ConstString::AsCString
const char * AsCString(const char *value_if_empty=nullptr) const
Get the string value as a C string.
Definition: ConstString.h:193
lldb_private::ObjCLanguageRuntime::GetTypeBitSize
bool GetTypeBitSize(const CompilerType &compiler_type, uint64_t &size) override
Definition: ObjCLanguageRuntime.cpp:314
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetIVarAtIndex
virtual iVarDescriptor GetIVarAtIndex(size_t idx)
Definition: ObjCLanguageRuntime.h:136
lldb_private::Stream
Definition: Stream.h:28
lldb_private::Args
Definition: Args.h:33
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
lldb_private::ObjCLanguageRuntime::ObjCRuntimeVersions::eAppleObjC_V2
@ eAppleObjC_V2
lldb_private::LazyBool
LazyBool
Definition: lldb-private-enumerations.h:115
lldb_private::LanguageRuntime::isA
virtual bool isA(const void *ClassID) const
Definition: LanguageRuntime.h:173
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetSuperclass
virtual ClassDescriptorSP GetSuperclass()=0
lldb_private::ObjCLanguageRuntime::ClassDescriptor::iVarDescriptor::m_type
CompilerType m_type
Definition: ObjCLanguageRuntime.h:129
lldb_private::ObjCLanguageRuntime::GetParentClass
virtual ObjCISA GetParentClass(ObjCISA isa)
Definition: ObjCLanguageRuntime.cpp:215
lldb_private::ObjCLanguageRuntime::m_hash_to_isa_map
HashToISAMap m_hash_to_isa_map
Definition: ObjCLanguageRuntime.h:396
lldb_private::ObjCLanguageRuntime::AddClass
bool AddClass(ObjCISA isa, const ClassDescriptorSP &descriptor_sp, uint32_t class_name_hash)
Definition: ObjCLanguageRuntime.h:335
lldb_private::ObjCLanguageRuntime::ObjCExceptionPrecondition::ConfigurePrecondition
Status ConfigurePrecondition(Args &args) override
Definition: ObjCLanguageRuntime.cpp:377
BreakpointPrecondition.h
lldb_private::ObjCLanguageRuntime::LookupInCompleteClassCache
lldb::TypeSP LookupInCompleteClassCache(ConstString &name)
Definition: ObjCLanguageRuntime.cpp:86
lldb_private::ObjCLanguageRuntime::ClassDescriptor::IsCFType
virtual bool IsCFType()
Definition: ObjCLanguageRuntime.h:76
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetType
lldb::TypeSP GetType()
Definition: ObjCLanguageRuntime.h:123
lldb_private::ObjCLanguageRuntime::TaggedPointerVendor::~TaggedPointerVendor
virtual ~TaggedPointerVendor()=default
lldb_private::ObjCLanguageRuntime::GetRuntimeType
llvm::Optional< CompilerType > GetRuntimeType(CompilerType base_type) override
Definition: ObjCLanguageRuntime.cpp:387
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetInstanceSize
virtual uint64_t GetInstanceSize()=0
lldb_private::ObjCLanguageRuntime::ClassDescriptor::Describe
virtual bool Describe(std::function< void(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
Definition: ObjCLanguageRuntime.h:113
lldb_private::ObjCLanguageRuntime::UpdateISAToDescriptorMap
void UpdateISAToDescriptorMap()
Definition: ObjCLanguageRuntime.h:276
lldb_private::ObjCLanguageRuntime::ObjCExceptionPrecondition::GetDescription
void GetDescription(Stream &stream, lldb::DescriptionLevel level) override
Definition: ObjCLanguageRuntime.cpp:374
lldb_private::ModuleList
Definition: ModuleList.h:72
lldb_private::ObjCLanguageRuntime::ObjCExceptionPrecondition::m_class_names
std::unordered_set< std::string > m_class_names
Definition: ObjCLanguageRuntime.h:177
lldb_private::ObjCLanguageRuntime::isA
bool isA(const void *ClassID) const override
Definition: ObjCLanguageRuntime.h:205
lldb_private::Runtime::m_process
Process * m_process
Definition: Runtime.h:29
lldb_private::ObjCLanguageRuntime::m_impl_cache
MsgImplMap m_impl_cache
Definition: ObjCLanguageRuntime.h:393
lldb_private::ObjCLanguageRuntime::GetClassDescriptor
virtual ClassDescriptorSP GetClassDescriptor(ValueObject &in_value)
Definition: ObjCLanguageRuntime.cpp:235
Type.h
lldb_private::ObjCLanguageRuntime::EncodingToType::~EncodingToType
virtual ~EncodingToType()
lldb_private::ObjCLanguageRuntime::m_has_new_literals_and_indexing
LazyBool m_has_new_literals_and_indexing
Definition: ObjCLanguageRuntime.h:394
lldb_private::ObjCLanguageRuntime::GetDescriptorIteratorPair
std::pair< ISAToDescriptorIterator, ISAToDescriptorIterator > GetDescriptorIteratorPair(bool update_if_needed=true)
Definition: ObjCLanguageRuntime.cpp:205
lldb_private::ObjCLanguageRuntime::ObjCExceptionPrecondition::EvaluatePrecondition
bool EvaluatePrecondition(StoppointCallbackContext &context) override
Definition: ObjCLanguageRuntime.cpp:369
lldb_private::ObjCLanguageRuntime::TaggedPointerVendor::TaggedPointerVendor
TaggedPointerVendor()=default
lldb_private::ObjCLanguageRuntime::HasNewLiteralsAndIndexing
bool HasNewLiteralsAndIndexing()
Definition: ObjCLanguageRuntime.h:292
lldb_private::ConstString
Definition: ConstString.h:40
lldb_private::ObjCLanguageRuntime::IsAllowedRuntimeValue
bool IsAllowedRuntimeValue(ConstString name) override
Check whether the name is "self" or "_cmd" and should show up in "frame variable".
Definition: ObjCLanguageRuntime.cpp:44
lldb_private::ObjCLanguageRuntime::CalculateHasNewLiteralsAndIndexing
virtual bool CalculateHasNewLiteralsAndIndexing()
Definition: ObjCLanguageRuntime.h:318
lldb_private::ObjCLanguageRuntime::LookupInClassNameCache
TypeAndOrName LookupInClassNameCache(lldb::addr_t class_addr)
lldb_private::ObjCLanguageRuntime::TypeSizeCache
ThreadSafeDenseMap< void *, uint64_t > TypeSizeCache
Definition: ObjCLanguageRuntime.h:391
lldb_private::ObjCLanguageRuntime::ISAToDescriptorMap
std::map< ObjCISA, ClassDescriptorSP > ISAToDescriptorMap
Definition: ObjCLanguageRuntime.h:387
PluginInterface.h
CommandObjectObjC_ClassTable_Dump
Definition: AppleObjCRuntimeV2.cpp:760
lldb_private::ObjCLanguageRuntime::ObjCRuntimeVersions::eObjC_VersionUnknown
@ eObjC_VersionUnknown
lldb_private::ObjCLanguageRuntime::ObjCRuntimeVersions
ObjCRuntimeVersions
Definition: ObjCLanguageRuntime.h:36
lldb_private::ObjCLanguageRuntime::ReadObjCLibraryIfNeeded
void ReadObjCLibraryIfNeeded(const ModuleList &module_list)
lldb_private::ObjCLanguageRuntime::ClassDescriptor::m_is_kvo
LazyBool m_is_kvo
Definition: ObjCLanguageRuntime.h:146
lldb_private::ObjCLanguageRuntime::IsModuleObjCLibrary
virtual bool IsModuleObjCLibrary(const lldb::ModuleSP &module_sp)=0
lldb_private::ObjCLanguageRuntime::GetRuntimeVersion
virtual ObjCRuntimeVersions GetRuntimeVersion() const
Definition: ObjCLanguageRuntime.h:265
lldb_private::LanguageRuntime
Definition: LanguageRuntime.h:60
lldb_private::ObjCLanguageRuntime::m_negative_complete_class_cache
CompleteClassSet m_negative_complete_class_cache
Definition: ObjCLanguageRuntime.h:419
lldb_private::ObjCLanguageRuntime::ClassDescriptor::GetNumIVars
virtual size_t GetNumIVars()
Definition: ObjCLanguageRuntime.h:134
lldb::eLanguageTypeObjC
@ eLanguageTypeObjC
Objective-C.
Definition: lldb-enumerations.h:453
string
string(SUBSTRING ${p} 10 -1 pStripped) if($
Definition: Plugins/CMakeLists.txt:40
lldb_private::ObjCLanguageRuntime::ISAIsCached
bool ISAIsCached(ObjCISA isa) const
Definition: ObjCLanguageRuntime.h:320
lldb_private::ObjCLanguageRuntime::AddClass
bool AddClass(ObjCISA isa, const ClassDescriptorSP &descriptor_sp)
Definition: ObjCLanguageRuntime.h:324
lldb_private::ObjCLanguageRuntime::ObjCRuntimeVersions::eAppleObjC_V1
@ eAppleObjC_V1
lldb_private::ObjCLanguageRuntime::m_isa_to_descriptor
ISAToDescriptorMap m_isa_to_descriptor
Definition: ObjCLanguageRuntime.h:395
CompilerType.h
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Definition: ObjCLanguageRuntime.h:400
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Definition: ObjCLanguageRuntime.cpp:310
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Definition: ObjCLanguageRuntime.h:354
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Definition: ObjCLanguageRuntime.cpp:62
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Definition: ObjCLanguageRuntime.h:50
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Definition: ObjCLanguageRuntime.h:362
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Definition: Status.h:44
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Definition: ValueObject.h:105
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const ObjCLanguageRuntime & operator=(const ObjCLanguageRuntime &)=delete
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Definition: lldb-private-enumerations.h:115
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Definition: ObjCLanguageRuntime.h:203
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Definition: ObjCLanguageRuntime.h:389
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Definition: ObjCLanguageRuntime.h:64
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Definition: ObjCLanguageRuntime.h:42
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Definition: ObjCLanguageRuntime.h:269
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Definition: Process.cpp:1501
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Definition: ObjCLanguageRuntime.h:52
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Definition: ObjCLanguageRuntime.h:127
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Definition: ObjCLanguageRuntime.h:388
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Definition: CompilerType.h:33
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lldb_private::ObjCLanguageRuntime::CreateObjectChecker
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Definition: ObjCLanguageRuntime.h:209
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Definition: ObjCLanguageRuntime.h:359
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Definition: BreakpointPrecondition.h:21
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Definition: ObjCLanguageRuntime.h:125
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A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
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Definition: lldb-private-enumerations.h:115
lldb_private::ObjCLanguageRuntime::m_type_size_cache
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Definition: ObjCLanguageRuntime.h:397
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A TypeSystem implementation based on Clang.
Definition: TypeSystemClang.h:106
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size_t operator()(ConstString arg) const
Definition: ObjCLanguageRuntime.h:406
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Definition: ObjCLanguageRuntime.h:148
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Definition: ObjCLanguageRuntime.h:151
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Definition: ObjCLanguageRuntime.h:383
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Definition: ObjCLanguageRuntime.h:130
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Definition: ObjCLanguageRuntime.h:402
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Definition: ObjCLanguageRuntime.h:128
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Definition: ObjCLanguageRuntime.h:303
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Definition: ObjCLanguageRuntime.cpp:361
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Definition: ObjCLanguageRuntime.h:163
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Sometimes you can find the name of the type corresponding to an object, but we don't have debug infor...
Definition: Type.h:394
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Definition: ObjCLanguageRuntime.h:386
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void AddToClassNameCache(lldb::addr_t class_addr, const char *name, lldb::TypeSP type_sp)
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Definition: ObjCLanguageRuntime.h:353
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Definition: Process.h:1373
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Definition: ObjCLanguageRuntime.cpp:76
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virtual bool CheckPointer(lldb::addr_t value, uint32_t ptr_size) const
Definition: ObjCLanguageRuntime.h:105
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Description levels for "void GetDescription(Stream *, DescriptionLevel)" calls.
Definition: lldb-enumerations.h:207
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Definition: ObjCLanguageRuntime.h:405
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virtual bool GetTaggedPointerInfoSigned(uint64_t *info_bits=nullptr, int64_t *value_bits=nullptr, uint64_t *payload=nullptr)=0