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author | Kate Stone <katherine.stone@apple.com> | 2016-09-06 20:57:50 +0000 |
---|---|---|
committer | Kate Stone <katherine.stone@apple.com> | 2016-09-06 20:57:50 +0000 |
commit | b9c1b51e45b845debb76d8658edabca70ca56079 (patch) | |
tree | dfcb5a13ef2b014202340f47036da383eaee74aa /lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp | |
parent | d5aa73376966339caad04013510626ec2e42c760 (diff) | |
download | llvm-b9c1b51e45b845debb76d8658edabca70ca56079.zip llvm-b9c1b51e45b845debb76d8658edabca70ca56079.tar.gz llvm-b9c1b51e45b845debb76d8658edabca70ca56079.tar.bz2 |
*** This commit represents a complete reformatting of the LLDB source code
*** to conform to clang-format’s LLVM style. This kind of mass change has
*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
effort. Alternatively, it may be worth merging all changes up to this commit,
performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
the repository):
find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
The version of clang-format used was 3.9.0, and autopep8 was 1.2.4.
Secondly, “blame” style tools will generally point to this commit instead of
a meaningful prior commit. There are alternatives available that will attempt
to look through this change and find the appropriate prior commit. YMMV.
llvm-svn: 280751
Diffstat (limited to 'lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp')
-rw-r--r-- | lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp | 1681 |
1 files changed, 847 insertions, 834 deletions
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp index 9ec36b3..ec13dfa7 100644 --- a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp +++ b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp @@ -7,26 +7,25 @@ // //===----------------------------------------------------------------------===// - +#include "Plugins/Process/Utility/HistoryThread.h" #include "lldb/Breakpoint/StoppointCallbackContext.h" +#include "lldb/Core/DataBufferHeap.h" +#include "lldb/Core/DataExtractor.h" #include "lldb/Core/Log.h" #include "lldb/Core/Module.h" #include "lldb/Core/ModuleSpec.h" #include "lldb/Core/PluginManager.h" -#include "lldb/Core/DataExtractor.h" -#include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/Section.h" #include "lldb/Core/StreamString.h" #include "lldb/Host/FileSpec.h" #include "lldb/Symbol/ClangASTContext.h" #include "lldb/Symbol/ObjectFile.h" #include "lldb/Symbol/SymbolContext.h" -#include "Plugins/Process/Utility/HistoryThread.h" +#include "lldb/Target/Process.h" #include "lldb/Target/Queue.h" #include "lldb/Target/QueueList.h" #include "lldb/Target/Target.h" #include "lldb/Target/Thread.h" -#include "lldb/Target/Process.h" #include "lldb/Utility/ProcessStructReader.h" #include "SystemRuntimeMacOSX.h" @@ -39,397 +38,380 @@ using namespace lldb_private; // the plugin info class that gets handed out by the plugin factory and // allows the lldb to instantiate an instance of this class. //---------------------------------------------------------------------- -SystemRuntime * -SystemRuntimeMacOSX::CreateInstance (Process* process) -{ - bool create = false; - if (!create) - { - create = true; - Module* exe_module = process->GetTarget().GetExecutableModulePointer(); - if (exe_module) - { - ObjectFile *object_file = exe_module->GetObjectFile(); - if (object_file) - { - create = (object_file->GetStrata() == ObjectFile::eStrataUser); - } - } - - if (create) - { - const llvm::Triple &triple_ref = process->GetTarget().GetArchitecture().GetTriple(); - switch (triple_ref.getOS()) - { - case llvm::Triple::Darwin: - case llvm::Triple::MacOSX: - case llvm::Triple::IOS: - case llvm::Triple::TvOS: - case llvm::Triple::WatchOS: - create = triple_ref.getVendor() == llvm::Triple::Apple; - break; - default: - create = false; - break; - } - } +SystemRuntime *SystemRuntimeMacOSX::CreateInstance(Process *process) { + bool create = false; + if (!create) { + create = true; + Module *exe_module = process->GetTarget().GetExecutableModulePointer(); + if (exe_module) { + ObjectFile *object_file = exe_module->GetObjectFile(); + if (object_file) { + create = (object_file->GetStrata() == ObjectFile::eStrataUser); + } + } + + if (create) { + const llvm::Triple &triple_ref = + process->GetTarget().GetArchitecture().GetTriple(); + switch (triple_ref.getOS()) { + case llvm::Triple::Darwin: + case llvm::Triple::MacOSX: + case llvm::Triple::IOS: + case llvm::Triple::TvOS: + case llvm::Triple::WatchOS: + create = triple_ref.getVendor() == llvm::Triple::Apple; + break; + default: + create = false; + break; + } } - - if (create) - return new SystemRuntimeMacOSX (process); - return NULL; + } + + if (create) + return new SystemRuntimeMacOSX(process); + return NULL; } //---------------------------------------------------------------------- // Constructor //---------------------------------------------------------------------- SystemRuntimeMacOSX::SystemRuntimeMacOSX(Process *process) - : SystemRuntime(process), - m_break_id(LLDB_INVALID_BREAK_ID), - m_mutex(), - m_get_queues_handler(process), - m_get_pending_items_handler(process), - m_get_item_info_handler(process), - m_get_thread_item_info_handler(process), - m_page_to_free(LLDB_INVALID_ADDRESS), - m_page_to_free_size(0), + : SystemRuntime(process), m_break_id(LLDB_INVALID_BREAK_ID), m_mutex(), + m_get_queues_handler(process), m_get_pending_items_handler(process), + m_get_item_info_handler(process), m_get_thread_item_info_handler(process), + m_page_to_free(LLDB_INVALID_ADDRESS), m_page_to_free_size(0), m_lib_backtrace_recording_info(), m_dispatch_queue_offsets_addr(LLDB_INVALID_ADDRESS), m_libdispatch_offsets(), m_libpthread_layout_offsets_addr(LLDB_INVALID_ADDRESS), - m_libpthread_offsets(), - m_dispatch_tsd_indexes_addr(LLDB_INVALID_ADDRESS), + m_libpthread_offsets(), m_dispatch_tsd_indexes_addr(LLDB_INVALID_ADDRESS), m_libdispatch_tsd_indexes(), m_dispatch_voucher_offsets_addr(LLDB_INVALID_ADDRESS), - m_libdispatch_voucher_offsets() -{ -} + m_libdispatch_voucher_offsets() {} //---------------------------------------------------------------------- // Destructor //---------------------------------------------------------------------- -SystemRuntimeMacOSX::~SystemRuntimeMacOSX() -{ - Clear (true); -} +SystemRuntimeMacOSX::~SystemRuntimeMacOSX() { Clear(true); } -void -SystemRuntimeMacOSX::Detach () -{ - m_get_queues_handler.Detach(); - m_get_pending_items_handler.Detach(); - m_get_item_info_handler.Detach(); - m_get_thread_item_info_handler.Detach(); +void SystemRuntimeMacOSX::Detach() { + m_get_queues_handler.Detach(); + m_get_pending_items_handler.Detach(); + m_get_item_info_handler.Detach(); + m_get_thread_item_info_handler.Detach(); } //---------------------------------------------------------------------- // Clear out the state of this class. //---------------------------------------------------------------------- -void -SystemRuntimeMacOSX::Clear (bool clear_process) -{ - std::lock_guard<std::recursive_mutex> guard(m_mutex); +void SystemRuntimeMacOSX::Clear(bool clear_process) { + std::lock_guard<std::recursive_mutex> guard(m_mutex); - if (m_process->IsAlive() && LLDB_BREAK_ID_IS_VALID(m_break_id)) - m_process->ClearBreakpointSiteByID(m_break_id); + if (m_process->IsAlive() && LLDB_BREAK_ID_IS_VALID(m_break_id)) + m_process->ClearBreakpointSiteByID(m_break_id); - if (clear_process) - m_process = NULL; - m_break_id = LLDB_INVALID_BREAK_ID; + if (clear_process) + m_process = NULL; + m_break_id = LLDB_INVALID_BREAK_ID; } - std::string -SystemRuntimeMacOSX::GetQueueNameFromThreadQAddress (addr_t dispatch_qaddr) -{ - std::string dispatch_queue_name; - if (dispatch_qaddr == LLDB_INVALID_ADDRESS || dispatch_qaddr == 0) - return ""; - - ReadLibdispatchOffsets (); - if (m_libdispatch_offsets.IsValid ()) - { - // dispatch_qaddr is from a thread_info(THREAD_IDENTIFIER_INFO) call for a thread - - // deref it to get the address of the dispatch_queue_t structure for this thread's - // queue. - Error error; - addr_t dispatch_queue_addr = m_process->ReadPointerFromMemory (dispatch_qaddr, error); - if (error.Success()) - { - if (m_libdispatch_offsets.dqo_version >= 4) - { - // libdispatch versions 4+, pointer to dispatch name is in the - // queue structure. - addr_t pointer_to_label_address = dispatch_queue_addr + m_libdispatch_offsets.dqo_label; - addr_t label_addr = m_process->ReadPointerFromMemory (pointer_to_label_address, error); - if (error.Success()) - { - m_process->ReadCStringFromMemory (label_addr, dispatch_queue_name, error); - } - } - else - { - // libdispatch versions 1-3, dispatch name is a fixed width char array - // in the queue structure. - addr_t label_addr = dispatch_queue_addr + m_libdispatch_offsets.dqo_label; - dispatch_queue_name.resize (m_libdispatch_offsets.dqo_label_size, '\0'); - size_t bytes_read = m_process->ReadMemory (label_addr, &dispatch_queue_name[0], m_libdispatch_offsets.dqo_label_size, error); - if (bytes_read < m_libdispatch_offsets.dqo_label_size) - dispatch_queue_name.erase (bytes_read); - } +SystemRuntimeMacOSX::GetQueueNameFromThreadQAddress(addr_t dispatch_qaddr) { + std::string dispatch_queue_name; + if (dispatch_qaddr == LLDB_INVALID_ADDRESS || dispatch_qaddr == 0) + return ""; + + ReadLibdispatchOffsets(); + if (m_libdispatch_offsets.IsValid()) { + // dispatch_qaddr is from a thread_info(THREAD_IDENTIFIER_INFO) call for a + // thread - + // deref it to get the address of the dispatch_queue_t structure for this + // thread's + // queue. + Error error; + addr_t dispatch_queue_addr = + m_process->ReadPointerFromMemory(dispatch_qaddr, error); + if (error.Success()) { + if (m_libdispatch_offsets.dqo_version >= 4) { + // libdispatch versions 4+, pointer to dispatch name is in the + // queue structure. + addr_t pointer_to_label_address = + dispatch_queue_addr + m_libdispatch_offsets.dqo_label; + addr_t label_addr = + m_process->ReadPointerFromMemory(pointer_to_label_address, error); + if (error.Success()) { + m_process->ReadCStringFromMemory(label_addr, dispatch_queue_name, + error); } + } else { + // libdispatch versions 1-3, dispatch name is a fixed width char array + // in the queue structure. + addr_t label_addr = + dispatch_queue_addr + m_libdispatch_offsets.dqo_label; + dispatch_queue_name.resize(m_libdispatch_offsets.dqo_label_size, '\0'); + size_t bytes_read = + m_process->ReadMemory(label_addr, &dispatch_queue_name[0], + m_libdispatch_offsets.dqo_label_size, error); + if (bytes_read < m_libdispatch_offsets.dqo_label_size) + dispatch_queue_name.erase(bytes_read); + } } - return dispatch_queue_name; + } + return dispatch_queue_name; } -lldb::addr_t -SystemRuntimeMacOSX::GetLibdispatchQueueAddressFromThreadQAddress (addr_t dispatch_qaddr) -{ - addr_t libdispatch_queue_t_address = LLDB_INVALID_ADDRESS; +lldb::addr_t SystemRuntimeMacOSX::GetLibdispatchQueueAddressFromThreadQAddress( + addr_t dispatch_qaddr) { + addr_t libdispatch_queue_t_address = LLDB_INVALID_ADDRESS; + Error error; + libdispatch_queue_t_address = + m_process->ReadPointerFromMemory(dispatch_qaddr, error); + if (!error.Success()) { + libdispatch_queue_t_address = LLDB_INVALID_ADDRESS; + } + return libdispatch_queue_t_address; +} + +lldb::QueueKind SystemRuntimeMacOSX::GetQueueKind(addr_t dispatch_queue_addr) { + if (dispatch_queue_addr == LLDB_INVALID_ADDRESS || dispatch_queue_addr == 0) + return eQueueKindUnknown; + + QueueKind kind = eQueueKindUnknown; + ReadLibdispatchOffsets(); + if (m_libdispatch_offsets.IsValid() && + m_libdispatch_offsets.dqo_version >= 4) { Error error; - libdispatch_queue_t_address = m_process->ReadPointerFromMemory (dispatch_qaddr, error); - if (!error.Success()) - { - libdispatch_queue_t_address = LLDB_INVALID_ADDRESS; + uint64_t width = m_process->ReadUnsignedIntegerFromMemory( + dispatch_queue_addr + m_libdispatch_offsets.dqo_width, + m_libdispatch_offsets.dqo_width_size, 0, error); + if (error.Success()) { + if (width == 1) { + kind = eQueueKindSerial; + } + if (width > 1) { + kind = eQueueKindConcurrent; + } } - return libdispatch_queue_t_address; + } + return kind; } -lldb::QueueKind -SystemRuntimeMacOSX::GetQueueKind (addr_t dispatch_queue_addr) -{ - if (dispatch_queue_addr == LLDB_INVALID_ADDRESS || dispatch_queue_addr == 0) - return eQueueKindUnknown; - - QueueKind kind = eQueueKindUnknown; - ReadLibdispatchOffsets (); - if (m_libdispatch_offsets.IsValid () && m_libdispatch_offsets.dqo_version >= 4) - { - Error error; - uint64_t width = m_process->ReadUnsignedIntegerFromMemory (dispatch_queue_addr + m_libdispatch_offsets.dqo_width, m_libdispatch_offsets.dqo_width_size, 0, error); - if (error.Success()) - { - if (width == 1) - { - kind = eQueueKindSerial; - } - if (width > 1) - { - kind = eQueueKindConcurrent; - } - } +void SystemRuntimeMacOSX::AddThreadExtendedInfoPacketHints( + lldb_private::StructuredData::ObjectSP dict_sp) { + StructuredData::Dictionary *dict = dict_sp->GetAsDictionary(); + if (dict) { + ReadLibpthreadOffsets(); + if (m_libpthread_offsets.IsValid()) { + dict->AddIntegerItem("plo_pthread_tsd_base_offset", + m_libpthread_offsets.plo_pthread_tsd_base_offset); + dict->AddIntegerItem( + "plo_pthread_tsd_base_address_offset", + m_libpthread_offsets.plo_pthread_tsd_base_address_offset); + dict->AddIntegerItem("plo_pthread_tsd_entry_size", + m_libpthread_offsets.plo_pthread_tsd_entry_size); } - return kind; -} -void -SystemRuntimeMacOSX::AddThreadExtendedInfoPacketHints (lldb_private::StructuredData::ObjectSP dict_sp) -{ - StructuredData::Dictionary *dict = dict_sp->GetAsDictionary(); - if (dict) - { - ReadLibpthreadOffsets(); - if (m_libpthread_offsets.IsValid()) - { - dict->AddIntegerItem ("plo_pthread_tsd_base_offset", m_libpthread_offsets.plo_pthread_tsd_base_offset); - dict->AddIntegerItem ("plo_pthread_tsd_base_address_offset", m_libpthread_offsets.plo_pthread_tsd_base_address_offset); - dict->AddIntegerItem ("plo_pthread_tsd_entry_size", m_libpthread_offsets.plo_pthread_tsd_entry_size); - } - - ReadLibdispatchTSDIndexes (); - if (m_libdispatch_tsd_indexes.IsValid()) - { - dict->AddIntegerItem ("dti_queue_index", m_libdispatch_tsd_indexes.dti_queue_index); - dict->AddIntegerItem ("dti_voucher_index", m_libdispatch_tsd_indexes.dti_voucher_index); - dict->AddIntegerItem ("dti_qos_class_index", m_libdispatch_tsd_indexes.dti_qos_class_index); - } + ReadLibdispatchTSDIndexes(); + if (m_libdispatch_tsd_indexes.IsValid()) { + dict->AddIntegerItem("dti_queue_index", + m_libdispatch_tsd_indexes.dti_queue_index); + dict->AddIntegerItem("dti_voucher_index", + m_libdispatch_tsd_indexes.dti_voucher_index); + dict->AddIntegerItem("dti_qos_class_index", + m_libdispatch_tsd_indexes.dti_qos_class_index); } + } } -bool -SystemRuntimeMacOSX::SafeToCallFunctionsOnThisThread (ThreadSP thread_sp) -{ - if (thread_sp && thread_sp->GetStackFrameCount() > 0 && thread_sp->GetFrameWithConcreteFrameIndex(0)) - { - const SymbolContext sym_ctx (thread_sp->GetFrameWithConcreteFrameIndex(0)->GetSymbolContext (eSymbolContextSymbol)); - static ConstString g_select_symbol ("__select"); - if (sym_ctx.GetFunctionName() == g_select_symbol) - { - return false; - } +bool SystemRuntimeMacOSX::SafeToCallFunctionsOnThisThread(ThreadSP thread_sp) { + if (thread_sp && thread_sp->GetStackFrameCount() > 0 && + thread_sp->GetFrameWithConcreteFrameIndex(0)) { + const SymbolContext sym_ctx( + thread_sp->GetFrameWithConcreteFrameIndex(0)->GetSymbolContext( + eSymbolContextSymbol)); + static ConstString g_select_symbol("__select"); + if (sym_ctx.GetFunctionName() == g_select_symbol) { + return false; } - return true; + } + return true; } lldb::queue_id_t -SystemRuntimeMacOSX::GetQueueIDFromThreadQAddress (lldb::addr_t dispatch_qaddr) -{ - queue_id_t queue_id = LLDB_INVALID_QUEUE_ID; - - if (dispatch_qaddr == LLDB_INVALID_ADDRESS || dispatch_qaddr == 0) - return queue_id; - - ReadLibdispatchOffsets (); - if (m_libdispatch_offsets.IsValid ()) - { - // dispatch_qaddr is from a thread_info(THREAD_IDENTIFIER_INFO) call for a thread - - // deref it to get the address of the dispatch_queue_t structure for this thread's - // queue. - Error error; - uint64_t dispatch_queue_addr = m_process->ReadPointerFromMemory (dispatch_qaddr, error); - if (error.Success()) - { - addr_t serialnum_address = dispatch_queue_addr + m_libdispatch_offsets.dqo_serialnum; - queue_id_t serialnum = m_process->ReadUnsignedIntegerFromMemory (serialnum_address, m_libdispatch_offsets.dqo_serialnum_size, LLDB_INVALID_QUEUE_ID, error); - if (error.Success()) - { - queue_id = serialnum; - } - } - } +SystemRuntimeMacOSX::GetQueueIDFromThreadQAddress(lldb::addr_t dispatch_qaddr) { + queue_id_t queue_id = LLDB_INVALID_QUEUE_ID; + if (dispatch_qaddr == LLDB_INVALID_ADDRESS || dispatch_qaddr == 0) return queue_id; -} - -void -SystemRuntimeMacOSX::ReadLibdispatchOffsetsAddress () -{ - if (m_dispatch_queue_offsets_addr != LLDB_INVALID_ADDRESS) - return; + ReadLibdispatchOffsets(); + if (m_libdispatch_offsets.IsValid()) { + // dispatch_qaddr is from a thread_info(THREAD_IDENTIFIER_INFO) call for a + // thread - + // deref it to get the address of the dispatch_queue_t structure for this + // thread's + // queue. + Error error; + uint64_t dispatch_queue_addr = + m_process->ReadPointerFromMemory(dispatch_qaddr, error); + if (error.Success()) { + addr_t serialnum_address = + dispatch_queue_addr + m_libdispatch_offsets.dqo_serialnum; + queue_id_t serialnum = m_process->ReadUnsignedIntegerFromMemory( + serialnum_address, m_libdispatch_offsets.dqo_serialnum_size, + LLDB_INVALID_QUEUE_ID, error); + if (error.Success()) { + queue_id = serialnum; + } + } + } - static ConstString g_dispatch_queue_offsets_symbol_name ("dispatch_queue_offsets"); - const Symbol *dispatch_queue_offsets_symbol = NULL; + return queue_id; +} - // libdispatch symbols were in libSystem.B.dylib up through Mac OS X 10.6 ("Snow Leopard") - ModuleSpec libSystem_module_spec (FileSpec("libSystem.B.dylib", false)); - ModuleSP module_sp(m_process->GetTarget().GetImages().FindFirstModule (libSystem_module_spec)); +void SystemRuntimeMacOSX::ReadLibdispatchOffsetsAddress() { + if (m_dispatch_queue_offsets_addr != LLDB_INVALID_ADDRESS) + return; + + static ConstString g_dispatch_queue_offsets_symbol_name( + "dispatch_queue_offsets"); + const Symbol *dispatch_queue_offsets_symbol = NULL; + + // libdispatch symbols were in libSystem.B.dylib up through Mac OS X 10.6 + // ("Snow Leopard") + ModuleSpec libSystem_module_spec(FileSpec("libSystem.B.dylib", false)); + ModuleSP module_sp(m_process->GetTarget().GetImages().FindFirstModule( + libSystem_module_spec)); + if (module_sp) + dispatch_queue_offsets_symbol = module_sp->FindFirstSymbolWithNameAndType( + g_dispatch_queue_offsets_symbol_name, eSymbolTypeData); + + // libdispatch symbols are in their own dylib as of Mac OS X 10.7 ("Lion") and + // later + if (dispatch_queue_offsets_symbol == NULL) { + ModuleSpec libdispatch_module_spec(FileSpec("libdispatch.dylib", false)); + module_sp = m_process->GetTarget().GetImages().FindFirstModule( + libdispatch_module_spec); if (module_sp) - dispatch_queue_offsets_symbol = module_sp->FindFirstSymbolWithNameAndType (g_dispatch_queue_offsets_symbol_name, eSymbolTypeData); - - // libdispatch symbols are in their own dylib as of Mac OS X 10.7 ("Lion") and later - if (dispatch_queue_offsets_symbol == NULL) - { - ModuleSpec libdispatch_module_spec (FileSpec("libdispatch.dylib", false)); - module_sp = m_process->GetTarget().GetImages().FindFirstModule (libdispatch_module_spec); - if (module_sp) - dispatch_queue_offsets_symbol = module_sp->FindFirstSymbolWithNameAndType (g_dispatch_queue_offsets_symbol_name, eSymbolTypeData); - } - if (dispatch_queue_offsets_symbol) - m_dispatch_queue_offsets_addr = dispatch_queue_offsets_symbol->GetLoadAddress(&m_process->GetTarget()); + dispatch_queue_offsets_symbol = module_sp->FindFirstSymbolWithNameAndType( + g_dispatch_queue_offsets_symbol_name, eSymbolTypeData); + } + if (dispatch_queue_offsets_symbol) + m_dispatch_queue_offsets_addr = + dispatch_queue_offsets_symbol->GetLoadAddress(&m_process->GetTarget()); } -void -SystemRuntimeMacOSX::ReadLibdispatchOffsets () -{ - if (m_libdispatch_offsets.IsValid()) - return; - - ReadLibdispatchOffsetsAddress (); - - uint8_t memory_buffer[sizeof (struct LibdispatchOffsets)]; - DataExtractor data (memory_buffer, - sizeof(memory_buffer), - m_process->GetByteOrder(), - m_process->GetAddressByteSize()); - - Error error; - if (m_process->ReadMemory (m_dispatch_queue_offsets_addr, memory_buffer, sizeof(memory_buffer), error) == sizeof(memory_buffer)) - { - lldb::offset_t data_offset = 0; - - // The struct LibdispatchOffsets is a series of uint16_t's - extract them all - // in one big go. - data.GetU16 (&data_offset, &m_libdispatch_offsets.dqo_version, sizeof (struct LibdispatchOffsets) / sizeof (uint16_t)); - } +void SystemRuntimeMacOSX::ReadLibdispatchOffsets() { + if (m_libdispatch_offsets.IsValid()) + return; + + ReadLibdispatchOffsetsAddress(); + + uint8_t memory_buffer[sizeof(struct LibdispatchOffsets)]; + DataExtractor data(memory_buffer, sizeof(memory_buffer), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + + Error error; + if (m_process->ReadMemory(m_dispatch_queue_offsets_addr, memory_buffer, + sizeof(memory_buffer), + error) == sizeof(memory_buffer)) { + lldb::offset_t data_offset = 0; + + // The struct LibdispatchOffsets is a series of uint16_t's - extract them + // all + // in one big go. + data.GetU16(&data_offset, &m_libdispatch_offsets.dqo_version, + sizeof(struct LibdispatchOffsets) / sizeof(uint16_t)); + } } -void -SystemRuntimeMacOSX::ReadLibpthreadOffsetsAddress () -{ - if (m_libpthread_layout_offsets_addr != LLDB_INVALID_ADDRESS) - return; - - static ConstString g_libpthread_layout_offsets_symbol_name ("pthread_layout_offsets"); - const Symbol *libpthread_layout_offsets_symbol = NULL; - - ModuleSpec libpthread_module_spec (FileSpec("libsystem_pthread.dylib", false)); - ModuleSP module_sp (m_process->GetTarget().GetImages().FindFirstModule (libpthread_module_spec)); - if (module_sp) - { - libpthread_layout_offsets_symbol = module_sp->FindFirstSymbolWithNameAndType - (g_libpthread_layout_offsets_symbol_name, eSymbolTypeData); - if (libpthread_layout_offsets_symbol) - { - m_libpthread_layout_offsets_addr = libpthread_layout_offsets_symbol->GetLoadAddress(&m_process->GetTarget()); - } +void SystemRuntimeMacOSX::ReadLibpthreadOffsetsAddress() { + if (m_libpthread_layout_offsets_addr != LLDB_INVALID_ADDRESS) + return; + + static ConstString g_libpthread_layout_offsets_symbol_name( + "pthread_layout_offsets"); + const Symbol *libpthread_layout_offsets_symbol = NULL; + + ModuleSpec libpthread_module_spec(FileSpec("libsystem_pthread.dylib", false)); + ModuleSP module_sp(m_process->GetTarget().GetImages().FindFirstModule( + libpthread_module_spec)); + if (module_sp) { + libpthread_layout_offsets_symbol = + module_sp->FindFirstSymbolWithNameAndType( + g_libpthread_layout_offsets_symbol_name, eSymbolTypeData); + if (libpthread_layout_offsets_symbol) { + m_libpthread_layout_offsets_addr = + libpthread_layout_offsets_symbol->GetLoadAddress( + &m_process->GetTarget()); } + } } -void -SystemRuntimeMacOSX::ReadLibpthreadOffsets () -{ - if (m_libpthread_offsets.IsValid()) - return; +void SystemRuntimeMacOSX::ReadLibpthreadOffsets() { + if (m_libpthread_offsets.IsValid()) + return; - ReadLibpthreadOffsetsAddress (); + ReadLibpthreadOffsetsAddress(); - if (m_libpthread_layout_offsets_addr != LLDB_INVALID_ADDRESS) - { - uint8_t memory_buffer[sizeof (struct LibpthreadOffsets)]; - DataExtractor data (memory_buffer, - sizeof(memory_buffer), - m_process->GetByteOrder(), - m_process->GetAddressByteSize()); - Error error; - if (m_process->ReadMemory (m_libpthread_layout_offsets_addr, memory_buffer, sizeof(memory_buffer), error) == sizeof(memory_buffer)) - { - lldb::offset_t data_offset = 0; - - // The struct LibpthreadOffsets is a series of uint16_t's - extract them all - // in one big go. - data.GetU16 (&data_offset, &m_libpthread_offsets.plo_version, sizeof (struct LibpthreadOffsets) / sizeof (uint16_t)); - } + if (m_libpthread_layout_offsets_addr != LLDB_INVALID_ADDRESS) { + uint8_t memory_buffer[sizeof(struct LibpthreadOffsets)]; + DataExtractor data(memory_buffer, sizeof(memory_buffer), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + Error error; + if (m_process->ReadMemory(m_libpthread_layout_offsets_addr, memory_buffer, + sizeof(memory_buffer), + error) == sizeof(memory_buffer)) { + lldb::offset_t data_offset = 0; + + // The struct LibpthreadOffsets is a series of uint16_t's - extract them + // all + // in one big go. + data.GetU16(&data_offset, &m_libpthread_offsets.plo_version, + sizeof(struct LibpthreadOffsets) / sizeof(uint16_t)); } + } } -void -SystemRuntimeMacOSX::ReadLibdispatchTSDIndexesAddress () -{ - if (m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) - return; - - static ConstString g_libdispatch_tsd_indexes_symbol_name ("dispatch_tsd_indexes"); - const Symbol *libdispatch_tsd_indexes_symbol = NULL; - - ModuleSpec libpthread_module_spec (FileSpec("libdispatch.dylib", false)); - ModuleSP module_sp (m_process->GetTarget().GetImages().FindFirstModule (libpthread_module_spec)); - if (module_sp) - { - libdispatch_tsd_indexes_symbol = module_sp->FindFirstSymbolWithNameAndType - (g_libdispatch_tsd_indexes_symbol_name, eSymbolTypeData); - if (libdispatch_tsd_indexes_symbol) - { - m_dispatch_tsd_indexes_addr = libdispatch_tsd_indexes_symbol->GetLoadAddress(&m_process->GetTarget()); - } +void SystemRuntimeMacOSX::ReadLibdispatchTSDIndexesAddress() { + if (m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) + return; + + static ConstString g_libdispatch_tsd_indexes_symbol_name( + "dispatch_tsd_indexes"); + const Symbol *libdispatch_tsd_indexes_symbol = NULL; + + ModuleSpec libpthread_module_spec(FileSpec("libdispatch.dylib", false)); + ModuleSP module_sp(m_process->GetTarget().GetImages().FindFirstModule( + libpthread_module_spec)); + if (module_sp) { + libdispatch_tsd_indexes_symbol = module_sp->FindFirstSymbolWithNameAndType( + g_libdispatch_tsd_indexes_symbol_name, eSymbolTypeData); + if (libdispatch_tsd_indexes_symbol) { + m_dispatch_tsd_indexes_addr = + libdispatch_tsd_indexes_symbol->GetLoadAddress( + &m_process->GetTarget()); } + } } -void -SystemRuntimeMacOSX::ReadLibdispatchTSDIndexes () -{ - if (m_libdispatch_tsd_indexes.IsValid()) - return; +void SystemRuntimeMacOSX::ReadLibdispatchTSDIndexes() { + if (m_libdispatch_tsd_indexes.IsValid()) + return; - ReadLibdispatchTSDIndexesAddress (); + ReadLibdispatchTSDIndexesAddress(); - if (m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) - { + if (m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) { - // We don't need to check the version number right now, it will be at least 2, but - // keep this code around to fetch just the version # for the future where we need - // to fetch alternate versions of the struct. -# if 0 +// We don't need to check the version number right now, it will be at least 2, +// but +// keep this code around to fetch just the version # for the future where we +// need +// to fetch alternate versions of the struct. +#if 0 uint16_t dti_version = 2; Address dti_struct_addr; if (m_process->GetTarget().ResolveLoadAddress (m_dispatch_tsd_indexes_addr, dti_struct_addr)) @@ -443,141 +425,171 @@ SystemRuntimeMacOSX::ReadLibdispatchTSDIndexes () } #endif - ClangASTContext *ast_ctx = m_process->GetTarget().GetScratchClangASTContext(); - if (ast_ctx->getASTContext() && m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) - { - CompilerType uint16 = ast_ctx->GetBuiltinTypeForEncodingAndBitSize (eEncodingUint, 16); - CompilerType dispatch_tsd_indexes_s = ast_ctx->CreateRecordType(nullptr, lldb::eAccessPublic, "__lldb_dispatch_tsd_indexes_s", clang::TTK_Struct, lldb::eLanguageTypeC); - - ClangASTContext::StartTagDeclarationDefinition(dispatch_tsd_indexes_s); - ClangASTContext::AddFieldToRecordType (dispatch_tsd_indexes_s, "dti_version", uint16, lldb::eAccessPublic, 0); - ClangASTContext::AddFieldToRecordType (dispatch_tsd_indexes_s, "dti_queue_index", uint16, lldb::eAccessPublic, 0); - ClangASTContext::AddFieldToRecordType (dispatch_tsd_indexes_s, "dti_voucher_index", uint16, lldb::eAccessPublic, 0); - ClangASTContext::AddFieldToRecordType (dispatch_tsd_indexes_s, "dti_qos_class_index", uint16, lldb::eAccessPublic, 0); - ClangASTContext::CompleteTagDeclarationDefinition(dispatch_tsd_indexes_s); - - ProcessStructReader struct_reader (m_process, m_dispatch_tsd_indexes_addr, dispatch_tsd_indexes_s); - - m_libdispatch_tsd_indexes.dti_version = struct_reader.GetField<uint16_t>(ConstString("dti_version")); - m_libdispatch_tsd_indexes.dti_queue_index = struct_reader.GetField<uint16_t>(ConstString("dti_queue_index")); - m_libdispatch_tsd_indexes.dti_voucher_index = struct_reader.GetField<uint16_t>(ConstString("dti_voucher_index")); - m_libdispatch_tsd_indexes.dti_qos_class_index = struct_reader.GetField<uint16_t>(ConstString("dti_qos_class_index")); - } + ClangASTContext *ast_ctx = + m_process->GetTarget().GetScratchClangASTContext(); + if (ast_ctx->getASTContext() && + m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) { + CompilerType uint16 = + ast_ctx->GetBuiltinTypeForEncodingAndBitSize(eEncodingUint, 16); + CompilerType dispatch_tsd_indexes_s = ast_ctx->CreateRecordType( + nullptr, lldb::eAccessPublic, "__lldb_dispatch_tsd_indexes_s", + clang::TTK_Struct, lldb::eLanguageTypeC); + + ClangASTContext::StartTagDeclarationDefinition(dispatch_tsd_indexes_s); + ClangASTContext::AddFieldToRecordType(dispatch_tsd_indexes_s, + "dti_version", uint16, + lldb::eAccessPublic, 0); + ClangASTContext::AddFieldToRecordType(dispatch_tsd_indexes_s, + "dti_queue_index", uint16, + lldb::eAccessPublic, 0); + ClangASTContext::AddFieldToRecordType(dispatch_tsd_indexes_s, + "dti_voucher_index", uint16, + lldb::eAccessPublic, 0); + ClangASTContext::AddFieldToRecordType(dispatch_tsd_indexes_s, + "dti_qos_class_index", uint16, + lldb::eAccessPublic, 0); + ClangASTContext::CompleteTagDeclarationDefinition(dispatch_tsd_indexes_s); + + ProcessStructReader struct_reader(m_process, m_dispatch_tsd_indexes_addr, + dispatch_tsd_indexes_s); + + m_libdispatch_tsd_indexes.dti_version = + struct_reader.GetField<uint16_t>(ConstString("dti_version")); + m_libdispatch_tsd_indexes.dti_queue_index = + struct_reader.GetField<uint16_t>(ConstString("dti_queue_index")); + m_libdispatch_tsd_indexes.dti_voucher_index = + struct_reader.GetField<uint16_t>(ConstString("dti_voucher_index")); + m_libdispatch_tsd_indexes.dti_qos_class_index = + struct_reader.GetField<uint16_t>(ConstString("dti_qos_class_index")); } + } } +ThreadSP SystemRuntimeMacOSX::GetExtendedBacktraceThread(ThreadSP real_thread, + ConstString type) { + ThreadSP originating_thread_sp; + if (BacktraceRecordingHeadersInitialized() && + type == ConstString("libdispatch")) { + Error error; -ThreadSP -SystemRuntimeMacOSX::GetExtendedBacktraceThread (ThreadSP real_thread, ConstString type) -{ - ThreadSP originating_thread_sp; - if (BacktraceRecordingHeadersInitialized() && type == ConstString ("libdispatch")) - { - Error error; - - // real_thread is either an actual, live thread (in which case we need to call into - // libBacktraceRecording to find its originator) or it is an extended backtrace itself, - // in which case we get the token from it and call into libBacktraceRecording to find - // the originator of that token. - - if (real_thread->GetExtendedBacktraceToken() != LLDB_INVALID_ADDRESS) - { - originating_thread_sp = GetExtendedBacktraceFromItemRef (real_thread->GetExtendedBacktraceToken()); - } - else - { - ThreadSP cur_thread_sp (m_process->GetThreadList().GetExpressionExecutionThread()); - AppleGetThreadItemInfoHandler::GetThreadItemInfoReturnInfo ret = m_get_thread_item_info_handler.GetThreadItemInfo (*cur_thread_sp.get(), real_thread->GetID(), m_page_to_free, m_page_to_free_size, error); - m_page_to_free = LLDB_INVALID_ADDRESS; - m_page_to_free_size = 0; - if (ret.item_buffer_ptr != 0 && ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && ret.item_buffer_size > 0) - { - DataBufferHeap data (ret.item_buffer_size, 0); - if (m_process->ReadMemory (ret.item_buffer_ptr, data.GetBytes(), ret.item_buffer_size, error) && error.Success()) - { - DataExtractor extractor (data.GetBytes(), data.GetByteSize(), m_process->GetByteOrder(), m_process->GetAddressByteSize()); - ItemInfo item = ExtractItemInfoFromBuffer (extractor); - bool stop_id_is_valid = true; - if (item.stop_id == 0) - stop_id_is_valid = false; - originating_thread_sp.reset (new HistoryThread (*m_process, - item.enqueuing_thread_id, - item.enqueuing_callstack, - item.stop_id, - stop_id_is_valid)); - originating_thread_sp->SetExtendedBacktraceToken (item.item_that_enqueued_this); - originating_thread_sp->SetQueueName (item.enqueuing_queue_label.c_str()); - originating_thread_sp->SetQueueID (item.enqueuing_queue_serialnum); -// originating_thread_sp->SetThreadName (item.enqueuing_thread_label.c_str()); - } - m_page_to_free = ret.item_buffer_ptr; - m_page_to_free_size = ret.item_buffer_size; - } + // real_thread is either an actual, live thread (in which case we need to + // call into + // libBacktraceRecording to find its originator) or it is an extended + // backtrace itself, + // in which case we get the token from it and call into + // libBacktraceRecording to find + // the originator of that token. + + if (real_thread->GetExtendedBacktraceToken() != LLDB_INVALID_ADDRESS) { + originating_thread_sp = GetExtendedBacktraceFromItemRef( + real_thread->GetExtendedBacktraceToken()); + } else { + ThreadSP cur_thread_sp( + m_process->GetThreadList().GetExpressionExecutionThread()); + AppleGetThreadItemInfoHandler::GetThreadItemInfoReturnInfo ret = + m_get_thread_item_info_handler.GetThreadItemInfo( + *cur_thread_sp.get(), real_thread->GetID(), m_page_to_free, + m_page_to_free_size, error); + m_page_to_free = LLDB_INVALID_ADDRESS; + m_page_to_free_size = 0; + if (ret.item_buffer_ptr != 0 && + ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && + ret.item_buffer_size > 0) { + DataBufferHeap data(ret.item_buffer_size, 0); + if (m_process->ReadMemory(ret.item_buffer_ptr, data.GetBytes(), + ret.item_buffer_size, error) && + error.Success()) { + DataExtractor extractor(data.GetBytes(), data.GetByteSize(), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + ItemInfo item = ExtractItemInfoFromBuffer(extractor); + bool stop_id_is_valid = true; + if (item.stop_id == 0) + stop_id_is_valid = false; + originating_thread_sp.reset(new HistoryThread( + *m_process, item.enqueuing_thread_id, item.enqueuing_callstack, + item.stop_id, stop_id_is_valid)); + originating_thread_sp->SetExtendedBacktraceToken( + item.item_that_enqueued_this); + originating_thread_sp->SetQueueName( + item.enqueuing_queue_label.c_str()); + originating_thread_sp->SetQueueID(item.enqueuing_queue_serialnum); + // originating_thread_sp->SetThreadName + // (item.enqueuing_thread_label.c_str()); } + m_page_to_free = ret.item_buffer_ptr; + m_page_to_free_size = ret.item_buffer_size; + } } - return originating_thread_sp; + } + return originating_thread_sp; } ThreadSP -SystemRuntimeMacOSX::GetExtendedBacktraceFromItemRef (lldb::addr_t item_ref) -{ - ThreadSP return_thread_sp; - - AppleGetItemInfoHandler::GetItemInfoReturnInfo ret; - ThreadSP cur_thread_sp (m_process->GetThreadList().GetExpressionExecutionThread()); - Error error; - ret = m_get_item_info_handler.GetItemInfo (*cur_thread_sp.get(), item_ref, m_page_to_free, m_page_to_free_size, error); - m_page_to_free = LLDB_INVALID_ADDRESS; - m_page_to_free_size = 0; - if (ret.item_buffer_ptr != 0 && ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && ret.item_buffer_size > 0) - { - DataBufferHeap data (ret.item_buffer_size, 0); - if (m_process->ReadMemory (ret.item_buffer_ptr, data.GetBytes(), ret.item_buffer_size, error) && error.Success()) - { - DataExtractor extractor (data.GetBytes(), data.GetByteSize(), m_process->GetByteOrder(), m_process->GetAddressByteSize()); - ItemInfo item = ExtractItemInfoFromBuffer (extractor); - bool stop_id_is_valid = true; - if (item.stop_id == 0) - stop_id_is_valid = false; - return_thread_sp.reset (new HistoryThread (*m_process, - item.enqueuing_thread_id, - item.enqueuing_callstack, - item.stop_id, - stop_id_is_valid)); - return_thread_sp->SetExtendedBacktraceToken (item.item_that_enqueued_this); - return_thread_sp->SetQueueName (item.enqueuing_queue_label.c_str()); - return_thread_sp->SetQueueID (item.enqueuing_queue_serialnum); -// return_thread_sp->SetThreadName (item.enqueuing_thread_label.c_str()); - - m_page_to_free = ret.item_buffer_ptr; - m_page_to_free_size = ret.item_buffer_size; - } +SystemRuntimeMacOSX::GetExtendedBacktraceFromItemRef(lldb::addr_t item_ref) { + ThreadSP return_thread_sp; + + AppleGetItemInfoHandler::GetItemInfoReturnInfo ret; + ThreadSP cur_thread_sp( + m_process->GetThreadList().GetExpressionExecutionThread()); + Error error; + ret = m_get_item_info_handler.GetItemInfo(*cur_thread_sp.get(), item_ref, + m_page_to_free, m_page_to_free_size, + error); + m_page_to_free = LLDB_INVALID_ADDRESS; + m_page_to_free_size = 0; + if (ret.item_buffer_ptr != 0 && ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && + ret.item_buffer_size > 0) { + DataBufferHeap data(ret.item_buffer_size, 0); + if (m_process->ReadMemory(ret.item_buffer_ptr, data.GetBytes(), + ret.item_buffer_size, error) && + error.Success()) { + DataExtractor extractor(data.GetBytes(), data.GetByteSize(), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + ItemInfo item = ExtractItemInfoFromBuffer(extractor); + bool stop_id_is_valid = true; + if (item.stop_id == 0) + stop_id_is_valid = false; + return_thread_sp.reset(new HistoryThread( + *m_process, item.enqueuing_thread_id, item.enqueuing_callstack, + item.stop_id, stop_id_is_valid)); + return_thread_sp->SetExtendedBacktraceToken(item.item_that_enqueued_this); + return_thread_sp->SetQueueName(item.enqueuing_queue_label.c_str()); + return_thread_sp->SetQueueID(item.enqueuing_queue_serialnum); + // return_thread_sp->SetThreadName + // (item.enqueuing_thread_label.c_str()); + + m_page_to_free = ret.item_buffer_ptr; + m_page_to_free_size = ret.item_buffer_size; } - return return_thread_sp; + } + return return_thread_sp; } ThreadSP -SystemRuntimeMacOSX::GetExtendedBacktraceForQueueItem (QueueItemSP queue_item_sp, ConstString type) -{ - ThreadSP extended_thread_sp; - if (type != ConstString("libdispatch")) - return extended_thread_sp; - - bool stop_id_is_valid = true; - if (queue_item_sp->GetStopID() == 0) - stop_id_is_valid = false; - - extended_thread_sp.reset (new HistoryThread (*m_process, - queue_item_sp->GetEnqueueingThreadID(), - queue_item_sp->GetEnqueueingBacktrace(), - queue_item_sp->GetStopID(), - stop_id_is_valid)); - extended_thread_sp->SetExtendedBacktraceToken (queue_item_sp->GetItemThatEnqueuedThis()); - extended_thread_sp->SetQueueName (queue_item_sp->GetQueueLabel().c_str()); - extended_thread_sp->SetQueueID (queue_item_sp->GetEnqueueingQueueID()); -// extended_thread_sp->SetThreadName (queue_item_sp->GetThreadLabel().c_str()); - +SystemRuntimeMacOSX::GetExtendedBacktraceForQueueItem(QueueItemSP queue_item_sp, + ConstString type) { + ThreadSP extended_thread_sp; + if (type != ConstString("libdispatch")) return extended_thread_sp; + + bool stop_id_is_valid = true; + if (queue_item_sp->GetStopID() == 0) + stop_id_is_valid = false; + + extended_thread_sp.reset( + new HistoryThread(*m_process, queue_item_sp->GetEnqueueingThreadID(), + queue_item_sp->GetEnqueueingBacktrace(), + queue_item_sp->GetStopID(), stop_id_is_valid)); + extended_thread_sp->SetExtendedBacktraceToken( + queue_item_sp->GetItemThatEnqueuedThis()); + extended_thread_sp->SetQueueName(queue_item_sp->GetQueueLabel().c_str()); + extended_thread_sp->SetQueueID(queue_item_sp->GetEnqueueingQueueID()); + // extended_thread_sp->SetThreadName + // (queue_item_sp->GetThreadLabel().c_str()); + + return extended_thread_sp; } /* Returns true if we were able to get the version / offset information @@ -585,438 +597,439 @@ SystemRuntimeMacOSX::GetExtendedBacktraceForQueueItem (QueueItemSP queue_item_sp * this; the queue_info_version field will be 0. */ -bool -SystemRuntimeMacOSX::BacktraceRecordingHeadersInitialized () -{ - if (m_lib_backtrace_recording_info.queue_info_version != 0) - return true; - - addr_t queue_info_version_address = LLDB_INVALID_ADDRESS; - addr_t queue_info_data_offset_address = LLDB_INVALID_ADDRESS; - addr_t item_info_version_address = LLDB_INVALID_ADDRESS; - addr_t item_info_data_offset_address = LLDB_INVALID_ADDRESS; - Target &target = m_process->GetTarget(); - - - static ConstString introspection_dispatch_queue_info_version ("__introspection_dispatch_queue_info_version"); - SymbolContextList sc_list; - if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType (introspection_dispatch_queue_info_version, eSymbolTypeData, sc_list) > 0) - { - SymbolContext sc; - sc_list.GetContextAtIndex (0, sc); - AddressRange addr_range; - sc.GetAddressRange (eSymbolContextSymbol, 0, false, addr_range); - queue_info_version_address = addr_range.GetBaseAddress().GetLoadAddress(&target); - } - sc_list.Clear(); - - static ConstString introspection_dispatch_queue_info_data_offset ("__introspection_dispatch_queue_info_data_offset"); - if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType (introspection_dispatch_queue_info_data_offset, eSymbolTypeData, sc_list) > 0) - { - SymbolContext sc; - sc_list.GetContextAtIndex (0, sc); - AddressRange addr_range; - sc.GetAddressRange (eSymbolContextSymbol, 0, false, addr_range); - queue_info_data_offset_address = addr_range.GetBaseAddress().GetLoadAddress(&target); - } - sc_list.Clear(); - - static ConstString introspection_dispatch_item_info_version ("__introspection_dispatch_item_info_version"); - if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType (introspection_dispatch_item_info_version, eSymbolTypeData, sc_list) > 0) - { - SymbolContext sc; - sc_list.GetContextAtIndex (0, sc); - AddressRange addr_range; - sc.GetAddressRange (eSymbolContextSymbol, 0, false, addr_range); - item_info_version_address = addr_range.GetBaseAddress().GetLoadAddress(&target); - } - sc_list.Clear(); - - static ConstString introspection_dispatch_item_info_data_offset ("__introspection_dispatch_item_info_data_offset"); - if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType (introspection_dispatch_item_info_data_offset, eSymbolTypeData, sc_list) > 0) - { - SymbolContext sc; - sc_list.GetContextAtIndex (0, sc); - AddressRange addr_range; - sc.GetAddressRange (eSymbolContextSymbol, 0, false, addr_range); - item_info_data_offset_address = addr_range.GetBaseAddress().GetLoadAddress(&target); - } +bool SystemRuntimeMacOSX::BacktraceRecordingHeadersInitialized() { + if (m_lib_backtrace_recording_info.queue_info_version != 0) + return true; - if (queue_info_version_address != LLDB_INVALID_ADDRESS - && queue_info_data_offset_address != LLDB_INVALID_ADDRESS - && item_info_version_address != LLDB_INVALID_ADDRESS - && item_info_data_offset_address != LLDB_INVALID_ADDRESS) - { - Error error; - m_lib_backtrace_recording_info.queue_info_version = m_process->ReadUnsignedIntegerFromMemory (queue_info_version_address, 2, 0, error); - if (error.Success()) - { - m_lib_backtrace_recording_info.queue_info_data_offset = m_process->ReadUnsignedIntegerFromMemory (queue_info_data_offset_address, 2, 0, error); - if (error.Success()) - { - m_lib_backtrace_recording_info.item_info_version = m_process->ReadUnsignedIntegerFromMemory (item_info_version_address, 2, 0, error); - if (error.Success()) - { - m_lib_backtrace_recording_info.item_info_data_offset = m_process->ReadUnsignedIntegerFromMemory (item_info_data_offset_address, 2, 0, error); - if (!error.Success()) - { - m_lib_backtrace_recording_info.queue_info_version = 0; - } - } - else - { - m_lib_backtrace_recording_info.queue_info_version = 0; - } - } - else - { - m_lib_backtrace_recording_info.queue_info_version = 0; - } + addr_t queue_info_version_address = LLDB_INVALID_ADDRESS; + addr_t queue_info_data_offset_address = LLDB_INVALID_ADDRESS; + addr_t item_info_version_address = LLDB_INVALID_ADDRESS; + addr_t item_info_data_offset_address = LLDB_INVALID_ADDRESS; + Target &target = m_process->GetTarget(); + + static ConstString introspection_dispatch_queue_info_version( + "__introspection_dispatch_queue_info_version"); + SymbolContextList sc_list; + if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType( + introspection_dispatch_queue_info_version, eSymbolTypeData, sc_list) > + 0) { + SymbolContext sc; + sc_list.GetContextAtIndex(0, sc); + AddressRange addr_range; + sc.GetAddressRange(eSymbolContextSymbol, 0, false, addr_range); + queue_info_version_address = + addr_range.GetBaseAddress().GetLoadAddress(&target); + } + sc_list.Clear(); + + static ConstString introspection_dispatch_queue_info_data_offset( + "__introspection_dispatch_queue_info_data_offset"); + if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType( + introspection_dispatch_queue_info_data_offset, eSymbolTypeData, + sc_list) > 0) { + SymbolContext sc; + sc_list.GetContextAtIndex(0, sc); + AddressRange addr_range; + sc.GetAddressRange(eSymbolContextSymbol, 0, false, addr_range); + queue_info_data_offset_address = + addr_range.GetBaseAddress().GetLoadAddress(&target); + } + sc_list.Clear(); + + static ConstString introspection_dispatch_item_info_version( + "__introspection_dispatch_item_info_version"); + if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType( + introspection_dispatch_item_info_version, eSymbolTypeData, sc_list) > + 0) { + SymbolContext sc; + sc_list.GetContextAtIndex(0, sc); + AddressRange addr_range; + sc.GetAddressRange(eSymbolContextSymbol, 0, false, addr_range); + item_info_version_address = + addr_range.GetBaseAddress().GetLoadAddress(&target); + } + sc_list.Clear(); + + static ConstString introspection_dispatch_item_info_data_offset( + "__introspection_dispatch_item_info_data_offset"); + if (m_process->GetTarget().GetImages().FindSymbolsWithNameAndType( + introspection_dispatch_item_info_data_offset, eSymbolTypeData, + sc_list) > 0) { + SymbolContext sc; + sc_list.GetContextAtIndex(0, sc); + AddressRange addr_range; + sc.GetAddressRange(eSymbolContextSymbol, 0, false, addr_range); + item_info_data_offset_address = + addr_range.GetBaseAddress().GetLoadAddress(&target); + } + + if (queue_info_version_address != LLDB_INVALID_ADDRESS && + queue_info_data_offset_address != LLDB_INVALID_ADDRESS && + item_info_version_address != LLDB_INVALID_ADDRESS && + item_info_data_offset_address != LLDB_INVALID_ADDRESS) { + Error error; + m_lib_backtrace_recording_info.queue_info_version = + m_process->ReadUnsignedIntegerFromMemory(queue_info_version_address, 2, + 0, error); + if (error.Success()) { + m_lib_backtrace_recording_info.queue_info_data_offset = + m_process->ReadUnsignedIntegerFromMemory( + queue_info_data_offset_address, 2, 0, error); + if (error.Success()) { + m_lib_backtrace_recording_info.item_info_version = + m_process->ReadUnsignedIntegerFromMemory(item_info_version_address, + 2, 0, error); + if (error.Success()) { + m_lib_backtrace_recording_info.item_info_data_offset = + m_process->ReadUnsignedIntegerFromMemory( + item_info_data_offset_address, 2, 0, error); + if (!error.Success()) { + m_lib_backtrace_recording_info.queue_info_version = 0; + } + } else { + m_lib_backtrace_recording_info.queue_info_version = 0; } + } else { + m_lib_backtrace_recording_info.queue_info_version = 0; + } } + } - return m_lib_backtrace_recording_info.queue_info_version != 0; + return m_lib_backtrace_recording_info.queue_info_version != 0; } const std::vector<ConstString> & -SystemRuntimeMacOSX::GetExtendedBacktraceTypes () -{ - if (m_types.size () == 0) - { - m_types.push_back(ConstString("libdispatch")); - // We could have pthread as another type in the future if we have a way of - // gathering that information & it's useful to distinguish between them. - } - return m_types; +SystemRuntimeMacOSX::GetExtendedBacktraceTypes() { + if (m_types.size() == 0) { + m_types.push_back(ConstString("libdispatch")); + // We could have pthread as another type in the future if we have a way of + // gathering that information & it's useful to distinguish between them. + } + return m_types; } -void -SystemRuntimeMacOSX::PopulateQueueList (lldb_private::QueueList &queue_list) -{ - if (BacktraceRecordingHeadersInitialized()) - { - AppleGetQueuesHandler::GetQueuesReturnInfo queue_info_pointer; - ThreadSP cur_thread_sp (m_process->GetThreadList().GetExpressionExecutionThread()); - if (cur_thread_sp) - { - Error error; - queue_info_pointer = m_get_queues_handler.GetCurrentQueues (*cur_thread_sp.get(), m_page_to_free, m_page_to_free_size, error); - m_page_to_free = LLDB_INVALID_ADDRESS; - m_page_to_free_size = 0; - if (error.Success()) - { - - if (queue_info_pointer.count > 0 - && queue_info_pointer.queues_buffer_size > 0 - && queue_info_pointer.queues_buffer_ptr != 0 - && queue_info_pointer.queues_buffer_ptr != LLDB_INVALID_ADDRESS) - { - PopulateQueuesUsingLibBTR (queue_info_pointer.queues_buffer_ptr, queue_info_pointer.queues_buffer_size, queue_info_pointer.count, queue_list); - } - } +void SystemRuntimeMacOSX::PopulateQueueList( + lldb_private::QueueList &queue_list) { + if (BacktraceRecordingHeadersInitialized()) { + AppleGetQueuesHandler::GetQueuesReturnInfo queue_info_pointer; + ThreadSP cur_thread_sp( + m_process->GetThreadList().GetExpressionExecutionThread()); + if (cur_thread_sp) { + Error error; + queue_info_pointer = m_get_queues_handler.GetCurrentQueues( + *cur_thread_sp.get(), m_page_to_free, m_page_to_free_size, error); + m_page_to_free = LLDB_INVALID_ADDRESS; + m_page_to_free_size = 0; + if (error.Success()) { + + if (queue_info_pointer.count > 0 && + queue_info_pointer.queues_buffer_size > 0 && + queue_info_pointer.queues_buffer_ptr != 0 && + queue_info_pointer.queues_buffer_ptr != LLDB_INVALID_ADDRESS) { + PopulateQueuesUsingLibBTR(queue_info_pointer.queues_buffer_ptr, + queue_info_pointer.queues_buffer_size, + queue_info_pointer.count, queue_list); } + } } - - // We either didn't have libBacktraceRecording (and need to create the queues list based on threads) - // or we did get the queues list from libBacktraceRecording but some special queues may not be - // included in its information. This is needed because libBacktraceRecording - // will only list queues with pending or running items by default - but the magic com.apple.main-thread - // queue on thread 1 is always around. - - for (ThreadSP thread_sp : m_process->Threads()) - { - if (thread_sp->GetAssociatedWithLibdispatchQueue () != eLazyBoolNo) - { - if (thread_sp->GetQueueID() != LLDB_INVALID_QUEUE_ID) - { - if (queue_list.FindQueueByID (thread_sp->GetQueueID()).get() == NULL) - { - QueueSP queue_sp (new Queue(m_process->shared_from_this(), thread_sp->GetQueueID(), thread_sp->GetQueueName())); - if (thread_sp->ThreadHasQueueInformation ()) - { - queue_sp->SetKind (thread_sp->GetQueueKind ()); - queue_sp->SetLibdispatchQueueAddress (thread_sp->GetQueueLibdispatchQueueAddress()); - queue_list.AddQueue (queue_sp); - } - else - { - queue_sp->SetKind (GetQueueKind (thread_sp->GetQueueLibdispatchQueueAddress())); - queue_sp->SetLibdispatchQueueAddress (thread_sp->GetQueueLibdispatchQueueAddress()); - queue_list.AddQueue (queue_sp); - } - } - } + } + + // We either didn't have libBacktraceRecording (and need to create the queues + // list based on threads) + // or we did get the queues list from libBacktraceRecording but some special + // queues may not be + // included in its information. This is needed because libBacktraceRecording + // will only list queues with pending or running items by default - but the + // magic com.apple.main-thread + // queue on thread 1 is always around. + + for (ThreadSP thread_sp : m_process->Threads()) { + if (thread_sp->GetAssociatedWithLibdispatchQueue() != eLazyBoolNo) { + if (thread_sp->GetQueueID() != LLDB_INVALID_QUEUE_ID) { + if (queue_list.FindQueueByID(thread_sp->GetQueueID()).get() == NULL) { + QueueSP queue_sp(new Queue(m_process->shared_from_this(), + thread_sp->GetQueueID(), + thread_sp->GetQueueName())); + if (thread_sp->ThreadHasQueueInformation()) { + queue_sp->SetKind(thread_sp->GetQueueKind()); + queue_sp->SetLibdispatchQueueAddress( + thread_sp->GetQueueLibdispatchQueueAddress()); + queue_list.AddQueue(queue_sp); + } else { + queue_sp->SetKind( + GetQueueKind(thread_sp->GetQueueLibdispatchQueueAddress())); + queue_sp->SetLibdispatchQueueAddress( + thread_sp->GetQueueLibdispatchQueueAddress()); + queue_list.AddQueue(queue_sp); + } } + } } + } } -// Returns either an array of introspection_dispatch_item_info_ref's for the pending items on -// a queue or an array introspection_dispatch_item_info_ref's and code addresses for the -// pending items on a queue. The information about each of these pending items then needs to +// Returns either an array of introspection_dispatch_item_info_ref's for the +// pending items on +// a queue or an array introspection_dispatch_item_info_ref's and code addresses +// for the +// pending items on a queue. The information about each of these pending items +// then needs to // be fetched individually by passing the ref to libBacktraceRecording. SystemRuntimeMacOSX::PendingItemsForQueue -SystemRuntimeMacOSX::GetPendingItemRefsForQueue (lldb::addr_t queue) -{ - PendingItemsForQueue pending_item_refs; - AppleGetPendingItemsHandler::GetPendingItemsReturnInfo pending_items_pointer; - ThreadSP cur_thread_sp (m_process->GetThreadList().GetExpressionExecutionThread()); - if (cur_thread_sp) - { - Error error; - pending_items_pointer = m_get_pending_items_handler.GetPendingItems (*cur_thread_sp.get(), queue, m_page_to_free, m_page_to_free_size, error); - m_page_to_free = LLDB_INVALID_ADDRESS; - m_page_to_free_size = 0; - if (error.Success()) - { - if (pending_items_pointer.count > 0 - && pending_items_pointer.items_buffer_size > 0 - && pending_items_pointer.items_buffer_ptr != 0 - && pending_items_pointer.items_buffer_ptr != LLDB_INVALID_ADDRESS) - { - DataBufferHeap data (pending_items_pointer.items_buffer_size, 0); - if (m_process->ReadMemory (pending_items_pointer.items_buffer_ptr, data.GetBytes(), pending_items_pointer.items_buffer_size, error)) - { - DataExtractor extractor (data.GetBytes(), data.GetByteSize(), m_process->GetByteOrder(), m_process->GetAddressByteSize()); - - // We either have an array of - // void* item_ref - // (old style) or we have a structure returned which looks like - // - // struct introspection_dispatch_pending_item_info_s { - // void *item_ref; - // void *function_or_block; - // }; - // - // struct introspection_dispatch_pending_items_array_s { - // uint32_t version; - // uint32_t size_of_item_info; - // introspection_dispatch_pending_item_info_s items[]; - // } - - offset_t offset = 0; - int i = 0; - uint32_t version = extractor.GetU32(&offset); - if (version == 1) - { - pending_item_refs.new_style = true; - uint32_t item_size = extractor.GetU32(&offset); - uint32_t start_of_array_offset = offset; - while (offset < pending_items_pointer.items_buffer_size && - static_cast<size_t>(i) < pending_items_pointer.count) - { - offset = start_of_array_offset + (i * item_size); - ItemRefAndCodeAddress item; - item.item_ref = extractor.GetPointer (&offset); - item.code_address = extractor.GetPointer (&offset); - pending_item_refs.item_refs_and_code_addresses.push_back (item); - i++; - } - } - else - { - offset = 0; - pending_item_refs.new_style = false; - while (offset < pending_items_pointer.items_buffer_size && - static_cast<size_t>(i) < pending_items_pointer.count) - { - ItemRefAndCodeAddress item; - item.item_ref = extractor.GetPointer (&offset); - item.code_address = LLDB_INVALID_ADDRESS; - pending_item_refs.item_refs_and_code_addresses.push_back (item); - i++; - } - } - } - m_page_to_free = pending_items_pointer.items_buffer_ptr; - m_page_to_free_size = pending_items_pointer.items_buffer_size; +SystemRuntimeMacOSX::GetPendingItemRefsForQueue(lldb::addr_t queue) { + PendingItemsForQueue pending_item_refs; + AppleGetPendingItemsHandler::GetPendingItemsReturnInfo pending_items_pointer; + ThreadSP cur_thread_sp( + m_process->GetThreadList().GetExpressionExecutionThread()); + if (cur_thread_sp) { + Error error; + pending_items_pointer = m_get_pending_items_handler.GetPendingItems( + *cur_thread_sp.get(), queue, m_page_to_free, m_page_to_free_size, + error); + m_page_to_free = LLDB_INVALID_ADDRESS; + m_page_to_free_size = 0; + if (error.Success()) { + if (pending_items_pointer.count > 0 && + pending_items_pointer.items_buffer_size > 0 && + pending_items_pointer.items_buffer_ptr != 0 && + pending_items_pointer.items_buffer_ptr != LLDB_INVALID_ADDRESS) { + DataBufferHeap data(pending_items_pointer.items_buffer_size, 0); + if (m_process->ReadMemory( + pending_items_pointer.items_buffer_ptr, data.GetBytes(), + pending_items_pointer.items_buffer_size, error)) { + DataExtractor extractor(data.GetBytes(), data.GetByteSize(), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + + // We either have an array of + // void* item_ref + // (old style) or we have a structure returned which looks like + // + // struct introspection_dispatch_pending_item_info_s { + // void *item_ref; + // void *function_or_block; + // }; + // + // struct introspection_dispatch_pending_items_array_s { + // uint32_t version; + // uint32_t size_of_item_info; + // introspection_dispatch_pending_item_info_s items[]; + // } + + offset_t offset = 0; + int i = 0; + uint32_t version = extractor.GetU32(&offset); + if (version == 1) { + pending_item_refs.new_style = true; + uint32_t item_size = extractor.GetU32(&offset); + uint32_t start_of_array_offset = offset; + while (offset < pending_items_pointer.items_buffer_size && + static_cast<size_t>(i) < pending_items_pointer.count) { + offset = start_of_array_offset + (i * item_size); + ItemRefAndCodeAddress item; + item.item_ref = extractor.GetPointer(&offset); + item.code_address = extractor.GetPointer(&offset); + pending_item_refs.item_refs_and_code_addresses.push_back(item); + i++; + } + } else { + offset = 0; + pending_item_refs.new_style = false; + while (offset < pending_items_pointer.items_buffer_size && + static_cast<size_t>(i) < pending_items_pointer.count) { + ItemRefAndCodeAddress item; + item.item_ref = extractor.GetPointer(&offset); + item.code_address = LLDB_INVALID_ADDRESS; + pending_item_refs.item_refs_and_code_addresses.push_back(item); + i++; } + } } + m_page_to_free = pending_items_pointer.items_buffer_ptr; + m_page_to_free_size = pending_items_pointer.items_buffer_size; + } } - return pending_item_refs; + } + return pending_item_refs; } - - -void -SystemRuntimeMacOSX::PopulatePendingItemsForQueue (Queue *queue) -{ - if (BacktraceRecordingHeadersInitialized()) - { - PendingItemsForQueue pending_item_refs = GetPendingItemRefsForQueue (queue->GetLibdispatchQueueAddress()); - for (ItemRefAndCodeAddress pending_item : pending_item_refs.item_refs_and_code_addresses) - { - Address addr; - m_process->GetTarget().ResolveLoadAddress (pending_item.code_address, addr); - QueueItemSP queue_item_sp (new QueueItem (queue->shared_from_this(), m_process->shared_from_this(), pending_item.item_ref, addr)); - queue->PushPendingQueueItem (queue_item_sp); - } +void SystemRuntimeMacOSX::PopulatePendingItemsForQueue(Queue *queue) { + if (BacktraceRecordingHeadersInitialized()) { + PendingItemsForQueue pending_item_refs = + GetPendingItemRefsForQueue(queue->GetLibdispatchQueueAddress()); + for (ItemRefAndCodeAddress pending_item : + pending_item_refs.item_refs_and_code_addresses) { + Address addr; + m_process->GetTarget().ResolveLoadAddress(pending_item.code_address, + addr); + QueueItemSP queue_item_sp(new QueueItem(queue->shared_from_this(), + m_process->shared_from_this(), + pending_item.item_ref, addr)); + queue->PushPendingQueueItem(queue_item_sp); } + } } -void -SystemRuntimeMacOSX::CompleteQueueItem (QueueItem *queue_item, addr_t item_ref) -{ - AppleGetItemInfoHandler::GetItemInfoReturnInfo ret; - - ThreadSP cur_thread_sp (m_process->GetThreadList().GetExpressionExecutionThread()); - Error error; - ret = m_get_item_info_handler.GetItemInfo (*cur_thread_sp.get(), item_ref, m_page_to_free, m_page_to_free_size, error); - m_page_to_free = LLDB_INVALID_ADDRESS; - m_page_to_free_size = 0; - if (ret.item_buffer_ptr != 0 && ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && ret.item_buffer_size > 0) - { - DataBufferHeap data (ret.item_buffer_size, 0); - if (m_process->ReadMemory (ret.item_buffer_ptr, data.GetBytes(), ret.item_buffer_size, error) && error.Success()) - { - DataExtractor extractor (data.GetBytes(), data.GetByteSize(), m_process->GetByteOrder(), m_process->GetAddressByteSize()); - ItemInfo item = ExtractItemInfoFromBuffer (extractor); - queue_item->SetItemThatEnqueuedThis (item.item_that_enqueued_this); - queue_item->SetEnqueueingThreadID (item.enqueuing_thread_id); - queue_item->SetEnqueueingQueueID (item.enqueuing_queue_serialnum); - queue_item->SetStopID (item.stop_id); - queue_item->SetEnqueueingBacktrace (item.enqueuing_callstack); - queue_item->SetThreadLabel (item.enqueuing_thread_label); - queue_item->SetQueueLabel (item.enqueuing_queue_label); - queue_item->SetTargetQueueLabel (item.target_queue_label); - } - m_page_to_free = ret.item_buffer_ptr; - m_page_to_free_size = ret.item_buffer_size; +void SystemRuntimeMacOSX::CompleteQueueItem(QueueItem *queue_item, + addr_t item_ref) { + AppleGetItemInfoHandler::GetItemInfoReturnInfo ret; + + ThreadSP cur_thread_sp( + m_process->GetThreadList().GetExpressionExecutionThread()); + Error error; + ret = m_get_item_info_handler.GetItemInfo(*cur_thread_sp.get(), item_ref, + m_page_to_free, m_page_to_free_size, + error); + m_page_to_free = LLDB_INVALID_ADDRESS; + m_page_to_free_size = 0; + if (ret.item_buffer_ptr != 0 && ret.item_buffer_ptr != LLDB_INVALID_ADDRESS && + ret.item_buffer_size > 0) { + DataBufferHeap data(ret.item_buffer_size, 0); + if (m_process->ReadMemory(ret.item_buffer_ptr, data.GetBytes(), + ret.item_buffer_size, error) && + error.Success()) { + DataExtractor extractor(data.GetBytes(), data.GetByteSize(), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + ItemInfo item = ExtractItemInfoFromBuffer(extractor); + queue_item->SetItemThatEnqueuedThis(item.item_that_enqueued_this); + queue_item->SetEnqueueingThreadID(item.enqueuing_thread_id); + queue_item->SetEnqueueingQueueID(item.enqueuing_queue_serialnum); + queue_item->SetStopID(item.stop_id); + queue_item->SetEnqueueingBacktrace(item.enqueuing_callstack); + queue_item->SetThreadLabel(item.enqueuing_thread_label); + queue_item->SetQueueLabel(item.enqueuing_queue_label); + queue_item->SetTargetQueueLabel(item.target_queue_label); } + m_page_to_free = ret.item_buffer_ptr; + m_page_to_free_size = ret.item_buffer_size; + } } -void -SystemRuntimeMacOSX::PopulateQueuesUsingLibBTR (lldb::addr_t queues_buffer, uint64_t queues_buffer_size, - uint64_t count, lldb_private::QueueList &queue_list) -{ - Error error; - DataBufferHeap data (queues_buffer_size, 0); - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SYSTEM_RUNTIME)); - if (m_process->ReadMemory (queues_buffer, data.GetBytes(), queues_buffer_size, error) == queues_buffer_size && error.Success()) - { - // We've read the information out of inferior memory; free it on the next call we make - m_page_to_free = queues_buffer; - m_page_to_free_size = queues_buffer_size; - - DataExtractor extractor (data.GetBytes(), data.GetByteSize(), m_process->GetByteOrder(), m_process->GetAddressByteSize()); - offset_t offset = 0; - uint64_t queues_read = 0; - - // The information about the queues is stored in this format (v1): - // typedef struct introspection_dispatch_queue_info_s { - // uint32_t offset_to_next; - // dispatch_queue_t queue; - // uint64_t serialnum; // queue's serialnum in the process, as provided by libdispatch - // uint32_t running_work_items_count; - // uint32_t pending_work_items_count; - // - // char data[]; // Starting here, we have variable-length data: - // // char queue_label[]; - // } introspection_dispatch_queue_info_s; - - while (queues_read < count && offset < queues_buffer_size) - { - offset_t start_of_this_item = offset; - - uint32_t offset_to_next = extractor.GetU32 (&offset); - - offset += 4; // Skip over the 4 bytes of reserved space - addr_t queue = extractor.GetPointer (&offset); - uint64_t serialnum = extractor.GetU64 (&offset); - uint32_t running_work_items_count = extractor.GetU32 (&offset); - uint32_t pending_work_items_count = extractor.GetU32 (&offset); - - // Read the first field of the variable length data - offset = start_of_this_item + m_lib_backtrace_recording_info.queue_info_data_offset; - const char *queue_label = extractor.GetCStr (&offset); - if (queue_label == NULL) - queue_label = ""; - - offset_t start_of_next_item = start_of_this_item + offset_to_next; - offset = start_of_next_item; - - if (log) - log->Printf ("SystemRuntimeMacOSX::PopulateQueuesUsingLibBTR added queue with dispatch_queue_t 0x%" PRIx64 ", serial number 0x%" PRIx64 ", running items %d, pending items %d, name '%s'", queue, serialnum, running_work_items_count, pending_work_items_count, queue_label); - - QueueSP queue_sp (new Queue (m_process->shared_from_this(), serialnum, queue_label)); - queue_sp->SetNumRunningWorkItems (running_work_items_count); - queue_sp->SetNumPendingWorkItems (pending_work_items_count); - queue_sp->SetLibdispatchQueueAddress (queue); - queue_sp->SetKind (GetQueueKind (queue)); - queue_list.AddQueue (queue_sp); - queues_read++; - } +void SystemRuntimeMacOSX::PopulateQueuesUsingLibBTR( + lldb::addr_t queues_buffer, uint64_t queues_buffer_size, uint64_t count, + lldb_private::QueueList &queue_list) { + Error error; + DataBufferHeap data(queues_buffer_size, 0); + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYSTEM_RUNTIME)); + if (m_process->ReadMemory(queues_buffer, data.GetBytes(), queues_buffer_size, + error) == queues_buffer_size && + error.Success()) { + // We've read the information out of inferior memory; free it on the next + // call we make + m_page_to_free = queues_buffer; + m_page_to_free_size = queues_buffer_size; + + DataExtractor extractor(data.GetBytes(), data.GetByteSize(), + m_process->GetByteOrder(), + m_process->GetAddressByteSize()); + offset_t offset = 0; + uint64_t queues_read = 0; + + // The information about the queues is stored in this format (v1): + // typedef struct introspection_dispatch_queue_info_s { + // uint32_t offset_to_next; + // dispatch_queue_t queue; + // uint64_t serialnum; // queue's serialnum in the process, as + // provided by libdispatch + // uint32_t running_work_items_count; + // uint32_t pending_work_items_count; + // + // char data[]; // Starting here, we have variable-length data: + // // char queue_label[]; + // } introspection_dispatch_queue_info_s; + + while (queues_read < count && offset < queues_buffer_size) { + offset_t start_of_this_item = offset; + + uint32_t offset_to_next = extractor.GetU32(&offset); + + offset += 4; // Skip over the 4 bytes of reserved space + addr_t queue = extractor.GetPointer(&offset); + uint64_t serialnum = extractor.GetU64(&offset); + uint32_t running_work_items_count = extractor.GetU32(&offset); + uint32_t pending_work_items_count = extractor.GetU32(&offset); + + // Read the first field of the variable length data + offset = start_of_this_item + + m_lib_backtrace_recording_info.queue_info_data_offset; + const char *queue_label = extractor.GetCStr(&offset); + if (queue_label == NULL) + queue_label = ""; + + offset_t start_of_next_item = start_of_this_item + offset_to_next; + offset = start_of_next_item; + + if (log) + log->Printf("SystemRuntimeMacOSX::PopulateQueuesUsingLibBTR added " + "queue with dispatch_queue_t 0x%" PRIx64 + ", serial number 0x%" PRIx64 + ", running items %d, pending items %d, name '%s'", + queue, serialnum, running_work_items_count, + pending_work_items_count, queue_label); + + QueueSP queue_sp( + new Queue(m_process->shared_from_this(), serialnum, queue_label)); + queue_sp->SetNumRunningWorkItems(running_work_items_count); + queue_sp->SetNumPendingWorkItems(pending_work_items_count); + queue_sp->SetLibdispatchQueueAddress(queue); + queue_sp->SetKind(GetQueueKind(queue)); + queue_list.AddQueue(queue_sp); + queues_read++; } + } } -SystemRuntimeMacOSX::ItemInfo -SystemRuntimeMacOSX::ExtractItemInfoFromBuffer (lldb_private::DataExtractor &extractor) -{ - ItemInfo item; +SystemRuntimeMacOSX::ItemInfo SystemRuntimeMacOSX::ExtractItemInfoFromBuffer( + lldb_private::DataExtractor &extractor) { + ItemInfo item; - offset_t offset = 0; - - item.item_that_enqueued_this = extractor.GetPointer (&offset); - item.function_or_block = extractor.GetPointer (&offset); - item.enqueuing_thread_id = extractor.GetU64 (&offset); - item.enqueuing_queue_serialnum = extractor.GetU64 (&offset); - item.target_queue_serialnum = extractor.GetU64 (&offset); - item.enqueuing_callstack_frame_count = extractor.GetU32 (&offset); - item.stop_id = extractor.GetU32 (&offset); - - offset = m_lib_backtrace_recording_info.item_info_data_offset; - - for (uint32_t i = 0; i < item.enqueuing_callstack_frame_count; i++) - { - item.enqueuing_callstack.push_back (extractor.GetPointer (&offset)); - } - item.enqueuing_thread_label = extractor.GetCStr (&offset); - item.enqueuing_queue_label = extractor.GetCStr (&offset); - item.target_queue_label = extractor.GetCStr (&offset); + offset_t offset = 0; - return item; -} + item.item_that_enqueued_this = extractor.GetPointer(&offset); + item.function_or_block = extractor.GetPointer(&offset); + item.enqueuing_thread_id = extractor.GetU64(&offset); + item.enqueuing_queue_serialnum = extractor.GetU64(&offset); + item.target_queue_serialnum = extractor.GetU64(&offset); + item.enqueuing_callstack_frame_count = extractor.GetU32(&offset); + item.stop_id = extractor.GetU32(&offset); -void -SystemRuntimeMacOSX::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); -} + offset = m_lib_backtrace_recording_info.item_info_data_offset; -void -SystemRuntimeMacOSX::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); + for (uint32_t i = 0; i < item.enqueuing_callstack_frame_count; i++) { + item.enqueuing_callstack.push_back(extractor.GetPointer(&offset)); + } + item.enqueuing_thread_label = extractor.GetCStr(&offset); + item.enqueuing_queue_label = extractor.GetCStr(&offset); + item.target_queue_label = extractor.GetCStr(&offset); + + return item; } +void SystemRuntimeMacOSX::Initialize() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), CreateInstance); +} -lldb_private::ConstString -SystemRuntimeMacOSX::GetPluginNameStatic() -{ - static ConstString g_name("systemruntime-macosx"); - return g_name; +void SystemRuntimeMacOSX::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); } -const char * -SystemRuntimeMacOSX::GetPluginDescriptionStatic() -{ - return "System runtime plugin for Mac OS X native libraries."; +lldb_private::ConstString SystemRuntimeMacOSX::GetPluginNameStatic() { + static ConstString g_name("systemruntime-macosx"); + return g_name; } +const char *SystemRuntimeMacOSX::GetPluginDescriptionStatic() { + return "System runtime plugin for Mac OS X native libraries."; +} //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -lldb_private::ConstString -SystemRuntimeMacOSX::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString SystemRuntimeMacOSX::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -SystemRuntimeMacOSX::GetPluginVersion() -{ - return 1; -} +uint32_t SystemRuntimeMacOSX::GetPluginVersion() { return 1; } |