diff options
Diffstat (limited to 'lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer')
3 files changed, 645 insertions, 0 deletions
diff --git a/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/CMakeLists.txt b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/CMakeLists.txt new file mode 100644 index 00000000000..6ef79433d67 --- /dev/null +++ b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/CMakeLists.txt @@ -0,0 +1,3 @@ +add_lldb_library(lldbPluginInstrumentationRuntimeThreadSanitizer + ThreadSanitizerRuntime.cpp + ) diff --git a/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.cpp b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.cpp new file mode 100644 index 00000000000..c6ee6afd6e8 --- /dev/null +++ b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.cpp @@ -0,0 +1,538 @@ +//===-- ThreadSanitizerRuntime.cpp ------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "ThreadSanitizerRuntime.h" + +#include "lldb/Breakpoint/StoppointCallbackContext.h" +#include "lldb/Core/Debugger.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/ModuleList.h" +#include "lldb/Core/RegularExpression.h" +#include "lldb/Core/PluginInterface.h" +#include "lldb/Core/PluginManager.h" +#include "lldb/Core/Stream.h" +#include "lldb/Core/StreamFile.h" +#include "lldb/Core/ValueObject.h" +#include "lldb/Expression/UserExpression.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Symbol/Symbol.h" +#include "lldb/Symbol/SymbolContext.h" +#include "lldb/Target/InstrumentationRuntimeStopInfo.h" +#include "lldb/Target/StopInfo.h" +#include "lldb/Target/Target.h" +#include "lldb/Target/Thread.h" + +using namespace lldb; +using namespace lldb_private; + +lldb::InstrumentationRuntimeSP +ThreadSanitizerRuntime::CreateInstance (const lldb::ProcessSP &process_sp) +{ + return InstrumentationRuntimeSP(new ThreadSanitizerRuntime(process_sp)); +} + +void +ThreadSanitizerRuntime::Initialize() +{ + PluginManager::RegisterPlugin (GetPluginNameStatic(), + "ThreadSanitizer instrumentation runtime plugin.", + CreateInstance, + GetTypeStatic); +} + +void +ThreadSanitizerRuntime::Terminate() +{ + PluginManager::UnregisterPlugin (CreateInstance); +} + +lldb_private::ConstString +ThreadSanitizerRuntime::GetPluginNameStatic() +{ + return ConstString("ThreadSanitizer"); +} + +lldb::InstrumentationRuntimeType +ThreadSanitizerRuntime::GetTypeStatic() +{ + return eInstrumentationRuntimeTypeThreadSanitizer; +} + +ThreadSanitizerRuntime::ThreadSanitizerRuntime(const ProcessSP &process_sp) : +m_is_active(false), +m_runtime_module_wp(), +m_process_wp(), +m_breakpoint_id(0) +{ + if (process_sp) + m_process_wp = process_sp; +} + +ThreadSanitizerRuntime::~ThreadSanitizerRuntime() +{ + Deactivate(); +} + +static bool +ModuleContainsTSanRuntime(ModuleSP module_sp) +{ + static ConstString g_tsan_get_current_report("__tsan_get_current_report"); + const Symbol* symbol = module_sp->FindFirstSymbolWithNameAndType(g_tsan_get_current_report, lldb::eSymbolTypeAny); + return symbol != nullptr; +} + +void +ThreadSanitizerRuntime::ModulesDidLoad(lldb_private::ModuleList &module_list) +{ + if (IsActive()) + return; + + if (GetRuntimeModuleSP()) { + Activate(); + return; + } + + module_list.ForEach ([this](const lldb::ModuleSP module_sp) -> bool + { + const FileSpec & file_spec = module_sp->GetFileSpec(); + if (! file_spec) + return true; // Keep iterating through modules + + llvm::StringRef module_basename(file_spec.GetFilename().GetStringRef()); + if (module_sp->IsExecutable() || module_basename.startswith("libclang_rt.tsan_")) + { + if (ModuleContainsTSanRuntime(module_sp)) + { + m_runtime_module_wp = module_sp; + Activate(); + return false; // Stop iterating + } + } + + return true; // Keep iterating through modules + }); +} + +bool +ThreadSanitizerRuntime::IsActive() +{ + return m_is_active; +} + +#define RETRIEVE_REPORT_DATA_FUNCTION_TIMEOUT_USEC 2*1000*1000 + +const char * +thread_sanitizer_retrieve_report_data_prefix = R"( +extern "C" +{ + void *__tsan_get_current_report(); + int __tsan_get_report_data(void *report, const char **description, int *count, + int *stack_count, int *mop_count, int *loc_count, + int *mutex_count, int *thread_count, + int *unique_tid_count, void **sleep_trace, + unsigned long trace_size); + int __tsan_get_report_stack(void *report, unsigned long idx, void **trace, + unsigned long trace_size); + int __tsan_get_report_mop(void *report, unsigned long idx, int *tid, void **addr, + int *size, int *write, int *atomic, void **trace, + unsigned long trace_size); + int __tsan_get_report_loc(void *report, unsigned long idx, const char **type, + void **addr, unsigned long *start, unsigned long *size, int *tid, + int *fd, int *suppressable, void **trace, + unsigned long trace_size); + int __tsan_get_report_mutex(void *report, unsigned long idx, unsigned long *mutex_id, void **addr, + int *destroyed, void **trace, unsigned long trace_size); + int __tsan_get_report_thread(void *report, unsigned long idx, int *tid, unsigned long *pid, + int *running, const char **name, int *parent_tid, + void **trace, unsigned long trace_size); + int __tsan_get_report_unique_tid(void *report, unsigned long idx, int *tid); +} + +const int REPORT_TRACE_SIZE = 128; +const int REPORT_ARRAY_SIZE = 4; + +struct data { + void *report; + const char *description; + int report_count; + + void *sleep_trace[REPORT_TRACE_SIZE]; + + int stack_count; + struct { + int idx; + void *trace[REPORT_TRACE_SIZE]; + } stacks[REPORT_ARRAY_SIZE]; + + int mop_count; + struct { + int idx; + int tid; + int size; + int write; + int atomic; + void *addr; + void *trace[REPORT_TRACE_SIZE]; + } mops[REPORT_ARRAY_SIZE]; + + int loc_count; + struct { + int idx; + const char *type; + void *addr; + unsigned long start; + unsigned long size; + int tid; + int fd; + int suppressable; + void *trace[REPORT_TRACE_SIZE]; + } locs[REPORT_ARRAY_SIZE]; + + int mutex_count; + struct { + int idx; + unsigned long mutex_id; + void *addr; + int destroyed; + void *trace[REPORT_TRACE_SIZE]; + } mutexes[REPORT_ARRAY_SIZE]; + + int thread_count; + struct { + int idx; + int tid; + unsigned long pid; + int running; + const char *name; + int parent_tid; + void *trace[REPORT_TRACE_SIZE]; + } threads[REPORT_ARRAY_SIZE]; + + int unique_tid_count; + struct { + int idx; + int tid; + } unique_tids[REPORT_ARRAY_SIZE]; +}; +)"; + +const char * +thread_sanitizer_retrieve_report_data_command = R"( +data t = {0}; + +t.report = __tsan_get_current_report(); +__tsan_get_report_data(t.report, &t.description, &t.report_count, &t.stack_count, &t.mop_count, &t.loc_count, &t.mutex_count, &t.thread_count, &t.unique_tid_count, t.sleep_trace, REPORT_TRACE_SIZE); + +if (t.stack_count > REPORT_ARRAY_SIZE) t.stack_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.stack_count; i++) { + t.stacks[i].idx = i; + __tsan_get_report_stack(t.report, i, t.stacks[i].trace, REPORT_TRACE_SIZE); +} + +if (t.mop_count > REPORT_ARRAY_SIZE) t.mop_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.mop_count; i++) { + t.mops[i].idx = i; + __tsan_get_report_mop(t.report, i, &t.mops[i].tid, &t.mops[i].addr, &t.mops[i].size, &t.mops[i].write, &t.mops[i].atomic, t.mops[i].trace, REPORT_TRACE_SIZE); +} + +if (t.loc_count > REPORT_ARRAY_SIZE) t.loc_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.loc_count; i++) { + t.locs[i].idx = i; + __tsan_get_report_loc(t.report, i, &t.locs[i].type, &t.locs[i].addr, &t.locs[i].start, &t.locs[i].size, &t.locs[i].tid, &t.locs[i].fd, &t.locs[i].suppressable, t.locs[i].trace, REPORT_TRACE_SIZE); +} + +if (t.mutex_count > REPORT_ARRAY_SIZE) t.mutex_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.mutex_count; i++) { + t.mutexes[i].idx = i; + __tsan_get_report_mutex(t.report, i, &t.mutexes[i].mutex_id, &t.mutexes[i].addr, &t.mutexes[i].destroyed, t.mutexes[i].trace, REPORT_TRACE_SIZE); +} + +if (t.thread_count > REPORT_ARRAY_SIZE) t.thread_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.thread_count; i++) { + t.threads[i].idx = i; + __tsan_get_report_thread(t.report, i, &t.threads[i].tid, &t.threads[i].pid, &t.threads[i].running, &t.threads[i].name, &t.threads[i].parent_tid, t.threads[i].trace, REPORT_TRACE_SIZE); +} + +if (t.unique_tid_count > REPORT_ARRAY_SIZE) t.unique_tid_count = REPORT_ARRAY_SIZE; +for (int i = 0; i < t.unique_tid_count; i++) { + t.unique_tids[i].idx = i; + __tsan_get_report_unique_tid(t.report, i, &t.unique_tids[i].tid); +} + +t; +)"; + +static StructuredData::Array * +CreateStackTrace(ValueObjectSP o, std::string trace_item_name = ".trace") { + StructuredData::Array *trace = new StructuredData::Array(); + ValueObjectSP trace_value_object = o->GetValueForExpressionPath(trace_item_name.c_str()); + for (int j = 0; j < 8; j++) { + addr_t trace_addr = trace_value_object->GetChildAtIndex(j, true)->GetValueAsUnsigned(0); + if (trace_addr == 0) + break; + trace->AddItem(StructuredData::ObjectSP(new StructuredData::Integer(trace_addr))); + } + return trace; +} + +static StructuredData::Array * +ConvertToStructuredArray(ValueObjectSP return_value_sp, std::string items_name, std::string count_name, std::function <void(ValueObjectSP o, StructuredData::Dictionary *dict)> const &callback) +{ + StructuredData::Array *array = new StructuredData::Array(); + unsigned int count = return_value_sp->GetValueForExpressionPath(count_name.c_str())->GetValueAsUnsigned(0); + ValueObjectSP objects = return_value_sp->GetValueForExpressionPath(items_name.c_str()); + for (int i = 0; i < count; i++) { + ValueObjectSP o = objects->GetChildAtIndex(i, true); + StructuredData::Dictionary *dict = new StructuredData::Dictionary(); + + callback(o, dict); + + array->AddItem(StructuredData::ObjectSP(dict)); + } + return array; +} + +static std::string +RetrieveString(ValueObjectSP return_value_sp, ProcessSP process_sp, std::string expression_path) +{ + addr_t ptr = return_value_sp->GetValueForExpressionPath(expression_path.c_str())->GetValueAsUnsigned(0); + std::string str; + Error error; + process_sp->ReadCStringFromMemory(ptr, str, error); + return str; +} + +StructuredData::ObjectSP +ThreadSanitizerRuntime::RetrieveReportData(ExecutionContextRef exe_ctx_ref) +{ + ProcessSP process_sp = GetProcessSP(); + if (!process_sp) + return StructuredData::ObjectSP(); + + ThreadSP thread_sp = exe_ctx_ref.GetThreadSP(); + StackFrameSP frame_sp = thread_sp->GetSelectedFrame(); + + if (!frame_sp) + return StructuredData::ObjectSP(); + + EvaluateExpressionOptions options; + options.SetUnwindOnError(true); + options.SetTryAllThreads(true); + options.SetStopOthers(true); + options.SetIgnoreBreakpoints(true); + options.SetTimeoutUsec(RETRIEVE_REPORT_DATA_FUNCTION_TIMEOUT_USEC); + options.SetPrefix(thread_sanitizer_retrieve_report_data_prefix); + + ValueObjectSP main_value; + ExecutionContext exe_ctx; + Error eval_error; + frame_sp->CalculateExecutionContext(exe_ctx); + ExpressionResults result = UserExpression::Evaluate (exe_ctx, + options, + thread_sanitizer_retrieve_report_data_command, + "", + main_value, + eval_error); + if (result != eExpressionCompleted) { + process_sp->GetTarget().GetDebugger().GetAsyncOutputStream()->Printf("Warning: Cannot evaluate ThreadSanitizer expression:\n%s\n", eval_error.AsCString()); + return StructuredData::ObjectSP(); + } + + StructuredData::Dictionary *dict = new StructuredData::Dictionary(); + dict->AddStringItem("instrumentation_class", "ThreadSanitizer"); + dict->AddStringItem("description", RetrieveString(main_value, process_sp, ".description")); + dict->AddIntegerItem("report_count", main_value->GetValueForExpressionPath(".report_count")->GetValueAsUnsigned(0)); + dict->AddItem("sleep_trace", StructuredData::ObjectSP(CreateStackTrace(main_value, ".sleep_trace"))); + + StructuredData::Array *stacks = ConvertToStructuredArray(main_value, ".stacks", ".stack_count", [] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddItem("trace", StructuredData::ObjectSP(CreateStackTrace(o))); + }); + dict->AddItem("stacks", StructuredData::ObjectSP(stacks)); + + StructuredData::Array *mops = ConvertToStructuredArray(main_value, ".mops", ".mop_count", [] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("thread_id", o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("size", o->GetValueForExpressionPath(".size")->GetValueAsUnsigned(0)); + dict->AddBooleanItem("is_write", o->GetValueForExpressionPath(".write")->GetValueAsUnsigned(0)); + dict->AddBooleanItem("is_atomic", o->GetValueForExpressionPath(".atomic")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("address", o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0)); + dict->AddItem("trace", StructuredData::ObjectSP(CreateStackTrace(o))); + }); + dict->AddItem("mops", StructuredData::ObjectSP(mops)); + + StructuredData::Array *locs = ConvertToStructuredArray(main_value, ".locs", ".loc_count", [process_sp] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddStringItem("type", RetrieveString(o, process_sp, ".type")); + dict->AddIntegerItem("address", o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("start", o->GetValueForExpressionPath(".start")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("size", o->GetValueForExpressionPath(".size")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("thread_id", o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("file_descriptor", o->GetValueForExpressionPath(".fd")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("suppressable", o->GetValueForExpressionPath(".suppressable")->GetValueAsUnsigned(0)); + dict->AddItem("trace", StructuredData::ObjectSP(CreateStackTrace(o))); + }); + dict->AddItem("locs", StructuredData::ObjectSP(locs)); + + StructuredData::Array *mutexes = ConvertToStructuredArray(main_value, ".mutexes", ".mutex_count", [] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("mutex_id", o->GetValueForExpressionPath(".mutex_id")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("address", o->GetValueForExpressionPath(".addr")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("destroyed", o->GetValueForExpressionPath(".destroyed")->GetValueAsUnsigned(0)); + dict->AddItem("trace", StructuredData::ObjectSP(CreateStackTrace(o))); + }); + dict->AddItem("mutexes", StructuredData::ObjectSP(mutexes)); + + StructuredData::Array *threads = ConvertToStructuredArray(main_value, ".threads", ".thread_count", [process_sp] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("thread_id", o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("process_id", o->GetValueForExpressionPath(".pid")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("running", o->GetValueForExpressionPath(".running")->GetValueAsUnsigned(0)); + dict->AddStringItem("name", RetrieveString(o, process_sp, ".name")); + dict->AddIntegerItem("parent_thread_id", o->GetValueForExpressionPath(".parent_tid")->GetValueAsUnsigned(0)); + dict->AddItem("trace", StructuredData::ObjectSP(CreateStackTrace(o))); + }); + dict->AddItem("threads", StructuredData::ObjectSP(threads)); + + StructuredData::Array *unique_tids = ConvertToStructuredArray(main_value, ".unique_tids", ".unique_tid_count", [] (ValueObjectSP o, StructuredData::Dictionary *dict) { + dict->AddIntegerItem("index", o->GetValueForExpressionPath(".idx")->GetValueAsUnsigned(0)); + dict->AddIntegerItem("tid", o->GetValueForExpressionPath(".tid")->GetValueAsUnsigned(0)); + }); + dict->AddItem("unique_tids", StructuredData::ObjectSP(unique_tids)); + + return StructuredData::ObjectSP(dict); +} + +std::string +ThreadSanitizerRuntime::FormatDescription(StructuredData::ObjectSP report) +{ + std::string description = report->GetAsDictionary()->GetValueForKey("description")->GetAsString()->GetValue(); + + if (description == "data-race") { + return "Data race detected"; + } else if (description == "data-race-vptr") { + return "Data race on C++ virtual pointer detected"; + } else if (description == "heap-use-after-free") { + return "Use of deallocated memory detected"; + } else if (description == "heap-use-after-free-vptr") { + return "Use of deallocated C++ virtual pointer detected"; + } else if (description == "thread-leak") { + return "Thread leak detected"; + } else if (description == "locked-mutex-destroy") { + return "Destruction of a locked mutex detected"; + } else if (description == "mutex-double-lock") { + return "Double lock of a mutex detected"; + } else if (description == "mutex-invalid-access") { + return "Use of an invalid mutex (e.g. uninitialized or destroyed) detected"; + } else if (description == "mutex-bad-unlock") { + return "Unlock of an unlocked mutex (or by a wrong thread) detected"; + } else if (description == "mutex-bad-read-lock") { + return "Read lock of a write locked mutex detected"; + } else if (description == "mutex-bad-read-unlock") { + return "Read unlock of a write locked mutex detected"; + } else if (description == "signal-unsafe-call") { + return "Signal-unsafe call inside a signal handler detected"; + } else if (description == "errno-in-signal-handler") { + return "Overwrite of errno in a signal handler detected"; + } else if (description == "lock-order-inversion") { + return "Lock order inversion (potential deadlock) detected"; + } + + // for unknown report codes just show the code + return description; +} + +bool +ThreadSanitizerRuntime::NotifyBreakpointHit(void *baton, StoppointCallbackContext *context, user_id_t break_id, user_id_t break_loc_id) +{ + assert (baton && "null baton"); + if (!baton) + return false; + + ThreadSanitizerRuntime *const instance = static_cast<ThreadSanitizerRuntime*>(baton); + + StructuredData::ObjectSP report = instance->RetrieveReportData(context->exe_ctx_ref); + std::string description; + if (report) { + description = instance->FormatDescription(report); + } + ProcessSP process_sp = instance->GetProcessSP(); + // Make sure this is the right process + if (process_sp && process_sp == context->exe_ctx_ref.GetProcessSP()) + { + ThreadSP thread_sp = context->exe_ctx_ref.GetThreadSP(); + if (thread_sp) + thread_sp->SetStopInfo(InstrumentationRuntimeStopInfo::CreateStopReasonWithInstrumentationData(*thread_sp, description.c_str(), report)); + + StreamFileSP stream_sp (process_sp->GetTarget().GetDebugger().GetOutputFile()); + if (stream_sp) + { + stream_sp->Printf ("ThreadSanitizer report breakpoint hit. Use 'thread info -s' to get extended information about the report.\n"); + } + return true; // Return true to stop the target + } + else + return false; // Let target run +} + +void +ThreadSanitizerRuntime::Activate() +{ + if (m_is_active) + return; + + ProcessSP process_sp = GetProcessSP(); + if (!process_sp) + return; + + ConstString symbol_name ("__tsan_on_report"); + const Symbol *symbol = GetRuntimeModuleSP()->FindFirstSymbolWithNameAndType (symbol_name, eSymbolTypeCode); + + if (symbol == NULL) + return; + + if (!symbol->ValueIsAddress() || !symbol->GetAddressRef().IsValid()) + return; + + Target &target = process_sp->GetTarget(); + addr_t symbol_address = symbol->GetAddressRef().GetOpcodeLoadAddress(&target); + + if (symbol_address == LLDB_INVALID_ADDRESS) + return; + + bool internal = true; + bool hardware = false; + Breakpoint *breakpoint = process_sp->GetTarget().CreateBreakpoint(symbol_address, internal, hardware).get(); + breakpoint->SetCallback (ThreadSanitizerRuntime::NotifyBreakpointHit, this, true); + breakpoint->SetBreakpointKind ("thread-sanitizer-report"); + m_breakpoint_id = breakpoint->GetID(); + + StreamFileSP stream_sp (process_sp->GetTarget().GetDebugger().GetOutputFile()); + if (stream_sp) + { + stream_sp->Printf ("ThreadSanitizer debugger support is active.\n"); + } + + m_is_active = true; +} + +void +ThreadSanitizerRuntime::Deactivate() +{ + if (m_breakpoint_id != LLDB_INVALID_BREAK_ID) + { + ProcessSP process_sp = GetProcessSP(); + if (process_sp) + { + process_sp->GetTarget().RemoveBreakpointByID(m_breakpoint_id); + m_breakpoint_id = LLDB_INVALID_BREAK_ID; + } + } + m_is_active = false; +} diff --git a/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.h b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.h new file mode 100644 index 00000000000..922d4292af0 --- /dev/null +++ b/lldb/source/Plugins/InstrumentationRuntime/ThreadSanitizer/ThreadSanitizerRuntime.h @@ -0,0 +1,104 @@ +//===-- ThreadSanitizerRuntime.h --------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_ThreadSanitizerRuntime_h_ +#define liblldb_ThreadSanitizerRuntime_h_ + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/lldb-private.h" +#include "lldb/Target/ABI.h" +#include "lldb/Target/InstrumentationRuntime.h" +#include "lldb/Target/Process.h" +#include "lldb/Core/StructuredData.h" + +namespace lldb_private { + +class ThreadSanitizerRuntime : public lldb_private::InstrumentationRuntime +{ +public: + ~ThreadSanitizerRuntime() override; + + static lldb::InstrumentationRuntimeSP + CreateInstance (const lldb::ProcessSP &process_sp); + + static void + Initialize(); + + static void + Terminate(); + + static lldb_private::ConstString + GetPluginNameStatic(); + + static lldb::InstrumentationRuntimeType + GetTypeStatic(); + + lldb_private::ConstString + GetPluginName() override + { + return GetPluginNameStatic(); + } + + virtual lldb::InstrumentationRuntimeType + GetType() { return GetTypeStatic(); } + + uint32_t + GetPluginVersion() override + { + return 1; + } + + void + ModulesDidLoad(lldb_private::ModuleList &module_list) override; + + bool + IsActive() override; + +private: + ThreadSanitizerRuntime(const lldb::ProcessSP &process_sp); + + lldb::ProcessSP + GetProcessSP () + { + return m_process_wp.lock(); + } + + lldb::ModuleSP + GetRuntimeModuleSP () + { + return m_runtime_module_wp.lock(); + } + + void + Activate(); + + void + Deactivate(); + + static bool + NotifyBreakpointHit(void *baton, StoppointCallbackContext *context, lldb::user_id_t break_id, lldb::user_id_t break_loc_id); + + StructuredData::ObjectSP + RetrieveReportData(ExecutionContextRef exe_ctx_ref); + + std::string + FormatDescription(StructuredData::ObjectSP report); + + bool m_is_active; + lldb::ModuleWP m_runtime_module_wp; + lldb::ProcessWP m_process_wp; + lldb::user_id_t m_breakpoint_id; +}; + +} // namespace lldb_private + +#endif // liblldb_ThreadSanitizerRuntime_h_ |
