LLDB  mainline
AppleGetPendingItemsHandler.cpp
Go to the documentation of this file.
1 //===-- AppleGetPendingItemsHandler.cpp -----------------------------------===//
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 
10 
12 #include "lldb/Core/Module.h"
13 #include "lldb/Core/Value.h"
17 #include "lldb/Symbol/Symbol.h"
19 #include "lldb/Target/Process.h"
20 #include "lldb/Target/Target.h"
21 #include "lldb/Target/Thread.h"
23 #include "lldb/Utility/LLDBLog.h"
24 #include "lldb/Utility/Log.h"
26 
27 using namespace lldb;
28 using namespace lldb_private;
29 
30 const char *AppleGetPendingItemsHandler::g_get_pending_items_function_name =
31  "__lldb_backtrace_recording_get_pending_items";
32 const char *AppleGetPendingItemsHandler::g_get_pending_items_function_code =
33  " \n\
34 extern \"C\" \n\
35 { \n\
36  /* \n\
37  * mach defines \n\
38  */ \n\
39  \n\
40  typedef unsigned int uint32_t; \n\
41  typedef unsigned long long uint64_t; \n\
42  typedef uint32_t mach_port_t; \n\
43  typedef mach_port_t vm_map_t; \n\
44  typedef int kern_return_t; \n\
45  typedef uint64_t mach_vm_address_t; \n\
46  typedef uint64_t mach_vm_size_t; \n\
47  \n\
48  mach_port_t mach_task_self (); \n\
49  kern_return_t mach_vm_deallocate (vm_map_t target, mach_vm_address_t address, mach_vm_size_t size); \n\
50  \n\
51  /* \n\
52  * libBacktraceRecording defines \n\
53  */ \n\
54  \n\
55  typedef uint32_t queue_list_scope_t; \n\
56  typedef void *dispatch_queue_t; \n\
57  typedef void *introspection_dispatch_queue_info_t; \n\
58  typedef void *introspection_dispatch_item_info_ref; \n\
59  \n\
60  extern uint64_t __introspection_dispatch_queue_get_pending_items (dispatch_queue_t queue, \n\
61  introspection_dispatch_item_info_ref *returned_queues_buffer, \n\
62  uint64_t *returned_queues_buffer_size); \n\
63  extern int printf(const char *format, ...); \n\
64  \n\
65  /* \n\
66  * return type define \n\
67  */ \n\
68  \n\
69  struct get_pending_items_return_values \n\
70  { \n\
71  uint64_t pending_items_buffer_ptr; /* the address of the items buffer from libBacktraceRecording */ \n\
72  uint64_t pending_items_buffer_size; /* the size of the items buffer from libBacktraceRecording */ \n\
73  uint64_t count; /* the number of items included in the queues buffer */ \n\
74  }; \n\
75  \n\
76  void __lldb_backtrace_recording_get_pending_items \n\
77  (struct get_pending_items_return_values *return_buffer, \n\
78  int debug, \n\
79  uint64_t /* dispatch_queue_t */ queue, \n\
80  void *page_to_free, \n\
81  uint64_t page_to_free_size) \n\
82 { \n\
83  if (debug) \n\
84  printf (\"entering get_pending_items with args return_buffer == %p, debug == %d, queue == 0x%llx, page_to_free == %p, page_to_free_size == 0x%llx\\n\", return_buffer, debug, queue, page_to_free, page_to_free_size); \n\
85  if (page_to_free != 0) \n\
86  { \n\
87  mach_vm_deallocate (mach_task_self(), (mach_vm_address_t) page_to_free, (mach_vm_size_t) page_to_free_size); \n\
88  } \n\
89  \n\
90  return_buffer->count = __introspection_dispatch_queue_get_pending_items ( \n\
91  (void*) queue, \n\
92  (void**)&return_buffer->pending_items_buffer_ptr, \n\
93  &return_buffer->pending_items_buffer_size); \n\
94  if (debug) \n\
95  printf(\"result was count %lld\\n\", return_buffer->count); \n\
96 } \n\
97 } \n\
98 ";
99 
100 AppleGetPendingItemsHandler::AppleGetPendingItemsHandler(Process *process)
101  : m_process(process), m_get_pending_items_impl_code(),
102  m_get_pending_items_function_mutex(),
103  m_get_pending_items_return_buffer_addr(LLDB_INVALID_ADDRESS),
104  m_get_pending_items_retbuffer_mutex() {}
105 
107 
109  if (m_process && m_process->IsAlive() &&
111  std::unique_lock<std::mutex> lock(m_get_pending_items_retbuffer_mutex,
112  std::defer_lock);
113  (void)lock.try_lock(); // Even if we don't get the lock, deallocate the buffer
115  }
116 }
117 
118 // Compile our __lldb_backtrace_recording_get_pending_items() function (from
119 // the source above in g_get_pending_items_function_code) if we don't find that
120 // function in the inferior already with USE_BUILTIN_FUNCTION defined. (e.g.
121 // this would be the case for testing.)
122 //
123 // Insert the __lldb_backtrace_recording_get_pending_items into the inferior
124 // process if needed.
125 //
126 // Write the get_pending_items_arglist into the inferior's memory space to
127 // prepare for the call.
128 //
129 // Returns the address of the arguments written down in the inferior process,
130 // which can be used to make the function call.
131 
133  Thread &thread, ValueList &get_pending_items_arglist) {
134  ThreadSP thread_sp(thread.shared_from_this());
135  ExecutionContext exe_ctx(thread_sp);
136  DiagnosticManager diagnostics;
138 
140  FunctionCaller *get_pending_items_caller = nullptr;
141 
142  // Scope for mutex locker:
143  {
144  std::lock_guard<std::mutex> guard(m_get_pending_items_function_mutex);
145 
146  // First stage is to make the ClangUtility to hold our injected function:
147 
149  if (g_get_pending_items_function_code != nullptr) {
150  auto utility_fn_or_error = exe_ctx.GetTargetRef().CreateUtilityFunction(
153  if (!utility_fn_or_error) {
154  LLDB_LOG_ERROR(log, utility_fn_or_error.takeError(),
155  "Failed to create UtilityFunction for pending-items "
156  "introspection: {0}.");
157  return args_addr;
158  }
159  m_get_pending_items_impl_code = std::move(*utility_fn_or_error);
160  } else {
161  LLDB_LOGF(log, "No pending-items introspection code found.");
162  return LLDB_INVALID_ADDRESS;
163  }
164 
165  // Next make the runner function for our implementation utility function.
166  Status error;
168  thread.GetProcess()->GetTarget());
169  CompilerType get_pending_items_return_type =
170  clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
171  get_pending_items_caller =
172  m_get_pending_items_impl_code->MakeFunctionCaller(
173  get_pending_items_return_type, get_pending_items_arglist,
174  thread_sp, error);
175  if (error.Fail() || get_pending_items_caller == nullptr) {
176  LLDB_LOGF(log,
177  "Failed to install pending-items introspection function "
178  "caller: %s.",
179  error.AsCString());
181  return args_addr;
182  }
183  }
184  }
185 
186  diagnostics.Clear();
187 
188  if (get_pending_items_caller == nullptr) {
189  LLDB_LOGF(log, "Failed to get get_pending_items_caller.");
190  return LLDB_INVALID_ADDRESS;
191  }
192 
193  // Now write down the argument values for this particular call. This looks
194  // like it might be a race condition if other threads were calling into here,
195  // but actually it isn't because we allocate a new args structure for this
196  // call by passing args_addr = LLDB_INVALID_ADDRESS...
197 
198  if (!get_pending_items_caller->WriteFunctionArguments(
199  exe_ctx, args_addr, get_pending_items_arglist, diagnostics)) {
200  if (log) {
201  LLDB_LOGF(log, "Error writing pending-items function arguments.");
202  diagnostics.Dump(log);
203  }
204 
205  return args_addr;
206  }
207 
208  return args_addr;
209 }
210 
213  addr_t page_to_free,
214  uint64_t page_to_free_size,
215  Status &error) {
216  lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0);
217  ProcessSP process_sp(thread.CalculateProcess());
218  TargetSP target_sp(thread.CalculateTarget());
219  TypeSystemClang *clang_ast_context =
222 
223  GetPendingItemsReturnInfo return_value;
224  return_value.items_buffer_ptr = LLDB_INVALID_ADDRESS;
225  return_value.items_buffer_size = 0;
226  return_value.count = 0;
227 
228  error.Clear();
229 
230  if (!thread.SafeToCallFunctions()) {
231  LLDB_LOGF(log, "Not safe to call functions on thread 0x%" PRIx64,
232  thread.GetID());
233  error.SetErrorString("Not safe to call functions on this thread.");
234  return return_value;
235  }
236 
237  // Set up the arguments for a call to
238 
239  // struct get_pending_items_return_values
240  // {
241  // uint64_t pending_items_buffer_ptr; /* the address of the items
242  // buffer from libBacktraceRecording */
243  // uint64_t pending_items_buffer_size; /* the size of the items buffer
244  // from libBacktraceRecording */
245  // uint64_t count; /* the number of items included in the
246  // queues buffer */
247  // };
248  //
249  // void __lldb_backtrace_recording_get_pending_items
250  // (struct
251  // get_pending_items_return_values
252  // *return_buffer,
253  // int debug,
254  // uint64_t /* dispatch_queue_t */
255  // queue
256  // void *page_to_free,
257  // uint64_t page_to_free_size)
258 
259  // Where the return_buffer argument points to a 24 byte region of memory
260  // already allocated by lldb in the inferior process.
261 
262  CompilerType clang_void_ptr_type =
263  clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
264  Value return_buffer_ptr_value;
265  return_buffer_ptr_value.SetValueType(Value::ValueType::Scalar);
266  return_buffer_ptr_value.SetCompilerType(clang_void_ptr_type);
267 
268  CompilerType clang_int_type = clang_ast_context->GetBasicType(eBasicTypeInt);
269  Value debug_value;
271  debug_value.SetCompilerType(clang_int_type);
272 
273  CompilerType clang_uint64_type =
274  clang_ast_context->GetBasicType(eBasicTypeUnsignedLongLong);
275  Value queue_value;
277  queue_value.SetCompilerType(clang_uint64_type);
278 
279  Value page_to_free_value;
280  page_to_free_value.SetValueType(Value::ValueType::Scalar);
281  page_to_free_value.SetCompilerType(clang_void_ptr_type);
282 
283  Value page_to_free_size_value;
284  page_to_free_size_value.SetValueType(Value::ValueType::Scalar);
285  page_to_free_size_value.SetCompilerType(clang_uint64_type);
286 
287  std::lock_guard<std::mutex> guard(m_get_pending_items_retbuffer_mutex);
289  addr_t bufaddr = process_sp->AllocateMemory(
290  32, ePermissionsReadable | ePermissionsWritable, error);
291  if (!error.Success() || bufaddr == LLDB_INVALID_ADDRESS) {
292  LLDB_LOGF(log, "Failed to allocate memory for return buffer for get "
293  "current queues func call");
294  return return_value;
295  }
297  }
298 
299  ValueList argument_values;
300 
301  return_buffer_ptr_value.GetScalar() = m_get_pending_items_return_buffer_addr;
302  argument_values.PushValue(return_buffer_ptr_value);
303 
304  debug_value.GetScalar() = 0;
305  argument_values.PushValue(debug_value);
306 
307  queue_value.GetScalar() = queue;
308  argument_values.PushValue(queue_value);
309 
310  if (page_to_free != LLDB_INVALID_ADDRESS)
311  page_to_free_value.GetScalar() = page_to_free;
312  else
313  page_to_free_value.GetScalar() = 0;
314  argument_values.PushValue(page_to_free_value);
315 
316  page_to_free_size_value.GetScalar() = page_to_free_size;
317  argument_values.PushValue(page_to_free_size_value);
318 
319  addr_t args_addr = SetupGetPendingItemsFunction(thread, argument_values);
320 
321  DiagnosticManager diagnostics;
322  ExecutionContext exe_ctx;
323  FunctionCaller *get_pending_items_caller =
324  m_get_pending_items_impl_code->GetFunctionCaller();
325 
327  options.SetUnwindOnError(true);
328  options.SetIgnoreBreakpoints(true);
329  options.SetStopOthers(true);
330 #if __has_feature(address_sanitizer)
331  options.SetTimeout(process_sp->GetUtilityExpressionTimeout());
332 #else
333  options.SetTimeout(std::chrono::milliseconds(500));
334 #endif
335  options.SetTryAllThreads(false);
336  options.SetIsForUtilityExpr(true);
337  thread.CalculateExecutionContext(exe_ctx);
338 
339  if (get_pending_items_caller == nullptr) {
340  error.SetErrorString("Unable to compile function to call "
341  "__introspection_dispatch_queue_get_pending_items");
342  return return_value;
343  }
344 
345  ExpressionResults func_call_ret;
346  Value results;
347  func_call_ret = get_pending_items_caller->ExecuteFunction(
348  exe_ctx, &args_addr, options, diagnostics, results);
349  if (func_call_ret != eExpressionCompleted || !error.Success()) {
350  LLDB_LOGF(log,
351  "Unable to call "
352  "__introspection_dispatch_queue_get_pending_items(), got "
353  "ExpressionResults %d, error contains %s",
354  func_call_ret, error.AsCString(""));
355  error.SetErrorString("Unable to call "
356  "__introspection_dispatch_queue_get_pending_items() "
357  "for list of queues");
358  return return_value;
359  }
360 
363  if (!error.Success() ||
364  return_value.items_buffer_ptr == LLDB_INVALID_ADDRESS) {
365  return_value.items_buffer_ptr = LLDB_INVALID_ADDRESS;
366  return return_value;
367  }
368 
371 
372  if (!error.Success()) {
373  return_value.items_buffer_ptr = LLDB_INVALID_ADDRESS;
374  return return_value;
375  }
376 
379  if (!error.Success()) {
380  return_value.items_buffer_ptr = LLDB_INVALID_ADDRESS;
381  return return_value;
382  }
383 
384  LLDB_LOGF(log,
385  "AppleGetPendingItemsHandler called "
386  "__introspection_dispatch_queue_get_pending_items "
387  "(page_to_free == 0x%" PRIx64 ", size = %" PRId64
388  "), returned page is at 0x%" PRIx64 ", size %" PRId64
389  ", count = %" PRId64,
390  page_to_free, page_to_free_size, return_value.items_buffer_ptr,
391  return_value.items_buffer_size, return_value.count);
392 
393  return return_value;
394 }
lldb_private::Value::ValueType::Scalar
@ Scalar
A raw scalar value.
lldb_private::ExecutionContext
Definition: ExecutionContext.h:292
lldb_private::Process::DeallocateMemory
Status DeallocateMemory(lldb::addr_t ptr)
The public interface to deallocating memory in the process.
Definition: Process.cpp:2333
FunctionCaller.h
lldb_private::EvaluateExpressionOptions::SetTimeout
void SetTimeout(const Timeout< std::micro > &timeout)
Definition: Target.h:349
lldb_private::Value
Definition: Value.h:38
lldb_private::Value::SetValueType
void SetValueType(ValueType value_type)
Definition: Value.h:89
lldb_private::DiagnosticManager::Dump
void Dump(Log *log)
Definition: DiagnosticManager.cpp:18
lldb::ExpressionResults
ExpressionResults
The results of expression evaluation.
Definition: lldb-enumerations.h:270
LLDB_LOGF
#define LLDB_LOGF(log,...)
Definition: Log.h:343
lldb_private::Process
Definition: Process.h:338
lldb_private::AppleGetPendingItemsHandler::g_get_pending_items_function_code
static const char * g_get_pending_items_function_code
Definition: AppleGetPendingItemsHandler.h:103
lldb_private::Thread::CalculateTarget
lldb::TargetSP CalculateTarget() override
Definition: Thread.cpp:1383
lldb_private::EvaluateExpressionOptions::SetIsForUtilityExpr
void SetIsForUtilityExpr(bool b)
Definition: Target.h:436
Module.h
lldb_private::AppleGetPendingItemsHandler::m_get_pending_items_function_mutex
std::mutex m_get_pending_items_function_mutex
Definition: AppleGetPendingItemsHandler.h:107
lldb_private::EvaluateExpressionOptions
Definition: Target.h:281
lldb_private::ValueList
Definition: Value.h:157
lldb_private::Process::IsAlive
virtual bool IsAlive()
Check if a process is still alive.
Definition: Process.cpp:1084
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
lldb_private::AppleGetPendingItemsHandler::GetPendingItemsReturnInfo::count
uint64_t count
Definition: AppleGetPendingItemsHandler.h:56
lldb_private::Thread::SafeToCallFunctions
virtual bool SafeToCallFunctions()
Check whether this thread is safe to run functions.
Definition: Thread.cpp:1641
Process.h
lldb_private::Value::SetCompilerType
void SetCompilerType(const CompilerType &compiler_type)
Definition: Value.cpp:251
Target.h
lldb_private::Value::GetScalar
const Scalar & GetScalar() const
Definition: Value.h:112
lldb_private::Thread::GetProcess
lldb::ProcessSP GetProcess() const
Definition: Thread.h:153
error
static llvm::raw_ostream & error(Stream &strm)
Definition: CommandReturnObject.cpp:17
lldb_private::ValueList::PushValue
void PushValue(const Value &value)
Definition: Value.cpp:665
lldb_private::Thread::CalculateProcess
lldb::ProcessSP CalculateProcess() override
Definition: Thread.cpp:1391
lldb_private::FunctionCaller::WriteFunctionArguments
bool WriteFunctionArguments(ExecutionContext &exe_ctx, lldb::addr_t &args_addr_ref, DiagnosticManager &diagnostic_manager)
Insert the default function argument struct.
Definition: FunctionCaller.cpp:116
Log.h
TypeSystemClang.h
lldb_private::Thread
Definition: Thread.h:61
lldb::eExpressionCompleted
@ eExpressionCompleted
Definition: lldb-enumerations.h:271
StreamString.h
lldb::eBasicTypeInt
@ eBasicTypeInt
Definition: lldb-enumerations.h:761
lldb_private::Target::CreateUtilityFunction
llvm::Expected< std::unique_ptr< UtilityFunction > > CreateUtilityFunction(std::string expression, std::string name, lldb::LanguageType language, ExecutionContext &exe_ctx)
Creates and installs a UtilityFunction for the given language.
Definition: Target.cpp:2405
AppleGetPendingItemsHandler.h
lldb_private::AppleGetPendingItemsHandler::m_get_pending_items_retbuffer_mutex
std::mutex m_get_pending_items_retbuffer_mutex
Definition: AppleGetPendingItemsHandler.h:110
lldb_private::EvaluateExpressionOptions::SetTryAllThreads
void SetTryAllThreads(bool try_others=true)
Definition: Target.h:361
lldb::eBasicTypeVoid
@ eBasicTypeVoid
Definition: lldb-enumerations.h:749
lldb_private::AppleGetPendingItemsHandler::Detach
void Detach()
Definition: AppleGetPendingItemsHandler.cpp:108
lldb::eBasicTypeUnsignedLongLong
@ eBasicTypeUnsignedLongLong
Definition: lldb-enumerations.h:766
lldb_private::LLDBLog::SystemRuntime
@ SystemRuntime
lldb_private::EvaluateExpressionOptions::SetUnwindOnError
void SetUnwindOnError(bool unwind=false)
Definition: Target.h:328
lldb_private::AppleGetPendingItemsHandler::GetPendingItemsReturnInfo::items_buffer_size
lldb::addr_t items_buffer_size
Definition: AppleGetPendingItemsHandler.h:54
Thread.h
lldb_private::UserID::GetID
lldb::user_id_t GetID() const
Get accessor for the user ID.
Definition: UserID.h:47
lldb_private::Thread::CalculateExecutionContext
void CalculateExecutionContext(ExecutionContext &exe_ctx) override
Reconstruct the object's execution context into sc.
Definition: Thread.cpp:1397
UtilityFunction.h
lldb_private::AppleGetPendingItemsHandler::GetPendingItemsReturnInfo
Definition: AppleGetPendingItemsHandler.h:50
lldb_private::EvaluateExpressionOptions::SetIgnoreBreakpoints
void SetIgnoreBreakpoints(bool ignore=false)
Definition: Target.h:332
Symbol.h
lldb_private::Status
Definition: Status.h:44
lldb_private::CompilerType::GetPointerType
CompilerType GetPointerType() const
Return a new CompilerType that is a pointer to this type.
Definition: CompilerType.cpp:407
lldb_private::DiagnosticManager
Definition: DiagnosticManager.h:93
lldb_private::ScratchTypeSystemClang::GetForTarget
static TypeSystemClang * GetForTarget(Target &target, llvm::Optional< IsolatedASTKind > ast_kind=DefaultAST, bool create_on_demand=true)
Returns the scratch TypeSystemClang for the given target.
Definition: TypeSystemClang.cpp:9797
lldb_private::AppleGetPendingItemsHandler::~AppleGetPendingItemsHandler
~AppleGetPendingItemsHandler()
LLDB_INVALID_ADDRESS
#define LLDB_INVALID_ADDRESS
Definition: lldb-defines.h:74
lldb_private::CompilerType
Generic representation of a type in a programming language.
Definition: CompilerType.h:33
lldb_private::AppleGetPendingItemsHandler::g_get_pending_items_function_name
static const char * g_get_pending_items_function_name
Definition: AppleGetPendingItemsHandler.h:102
DiagnosticManager.h
lldb_private::DiagnosticManager::Clear
void Clear()
Definition: DiagnosticManager.h:95
lldb_private::ExecutionContext::GetTargetRef
Target & GetTargetRef() const
Returns a reference to the target object.
Definition: ExecutionContext.cpp:224
lldb_private::AppleGetPendingItemsHandler::m_process
lldb_private::Process * m_process
Definition: AppleGetPendingItemsHandler.h:105
lldb_private::AppleGetPendingItemsHandler::GetPendingItemsReturnInfo::items_buffer_ptr
lldb::addr_t items_buffer_ptr
Definition: AppleGetPendingItemsHandler.h:51
lldb::eLanguageTypeC
@ eLanguageTypeC
Non-standardized C, such as K&R.
Definition: lldb-enumerations.h:439
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
lldb_private::FunctionCaller::ExecuteFunction
lldb::ExpressionResults ExecuteFunction(ExecutionContext &exe_ctx, lldb::addr_t *args_addr_ptr, const EvaluateExpressionOptions &options, DiagnosticManager &diagnostic_manager, Value &results)
Run the function this FunctionCaller was created with.
Definition: FunctionCaller.cpp:312
lldb_private::TypeSystemClang::GetBasicType
CompilerType GetBasicType(lldb::BasicType type)
Definition: TypeSystemClang.cpp:930
lldb_private::TypeSystemClang
A TypeSystem implementation based on Clang.
Definition: TypeSystemClang.h:105
lldb_private::AppleGetPendingItemsHandler::SetupGetPendingItemsFunction
lldb::addr_t SetupGetPendingItemsFunction(Thread &thread, ValueList &get_pending_items_arglist)
Definition: AppleGetPendingItemsHandler.cpp:132
ConstString.h
lldb_private::Process::ReadUnsignedIntegerFromMemory
uint64_t ReadUnsignedIntegerFromMemory(lldb::addr_t load_addr, size_t byte_size, uint64_t fail_value, Status &error)
Reads an unsigned integer of the specified byte size from process memory.
Definition: Process.cpp:2062
lldb_private::Log
Definition: Log.h:115
lldb_private::EvaluateExpressionOptions::SetStopOthers
void SetStopOthers(bool stop_others=true)
Definition: Target.h:365
lldb_private::Thread::GetStackFrameAtIndex
virtual lldb::StackFrameSP GetStackFrameAtIndex(uint32_t idx)
Definition: Thread.h:398
lldb_private::AppleGetPendingItemsHandler::m_get_pending_items_return_buffer_addr
lldb::addr_t m_get_pending_items_return_buffer_addr
Definition: AppleGetPendingItemsHandler.h:109
lldb_private::GetLog
Log * GetLog(Cat mask)
Retrieve the Log object for the channel associated with the given log enum.
Definition: Log.h:308
lldb
Definition: SBAddress.h:15
LLDB_LOG_ERROR
#define LLDB_LOG_ERROR(log, error,...)
Definition: Log.h:359
Value.h
LLDBLog.h
ExecutionContext.h
lldb_private::AppleGetPendingItemsHandler::m_get_pending_items_impl_code
std::unique_ptr< UtilityFunction > m_get_pending_items_impl_code
Definition: AppleGetPendingItemsHandler.h:106
lldb_private::AppleGetPendingItemsHandler::GetPendingItems
GetPendingItemsReturnInfo GetPendingItems(Thread &thread, lldb::addr_t queue, lldb::addr_t page_to_free, uint64_t page_to_free_size, lldb_private::Status &error)
Get the list of pending items for a given queue via a call to __introspection_dispatch_queue_get_pend...
Definition: AppleGetPendingItemsHandler.cpp:212
lldb_private::FunctionCaller
Definition: FunctionCaller.h:56