//===-- SBFrame.cpp -------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #include #include #include #include "lldb/API/SBFrame.h" #include "lldb/lldb-types.h" #include "SBReproducerPrivate.h" #include "Utils.h" #include "lldb/Core/Address.h" #include "lldb/Core/StreamFile.h" #include "lldb/Core/ValueObjectRegister.h" #include "lldb/Core/ValueObjectVariable.h" #include "lldb/Expression/ExpressionVariable.h" #include "lldb/Expression/UserExpression.h" #include "lldb/Host/Host.h" #include "lldb/Symbol/Block.h" #include "lldb/Symbol/Function.h" #include "lldb/Symbol/Symbol.h" #include "lldb/Symbol/SymbolContext.h" #include "lldb/Symbol/Variable.h" #include "lldb/Symbol/VariableList.h" #include "lldb/Target/ExecutionContext.h" #include "lldb/Target/Process.h" #include "lldb/Target/RegisterContext.h" #include "lldb/Target/StackFrame.h" #include "lldb/Target/StackFrameRecognizer.h" #include "lldb/Target/StackID.h" #include "lldb/Target/Target.h" #include "lldb/Target/Thread.h" #include "lldb/Utility/ConstString.h" #include "lldb/Utility/Stream.h" #include "lldb/API/SBAddress.h" #include "lldb/API/SBDebugger.h" #include "lldb/API/SBExpressionOptions.h" #include "lldb/API/SBStream.h" #include "lldb/API/SBSymbolContext.h" #include "lldb/API/SBThread.h" #include "lldb/API/SBValue.h" #include "lldb/API/SBVariablesOptions.h" #include "llvm/Support/PrettyStackTrace.h" using namespace lldb; using namespace lldb_private; SBFrame::SBFrame() : m_opaque_sp(new ExecutionContextRef()) { LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBFrame); } SBFrame::SBFrame(const StackFrameSP &lldb_object_sp) : m_opaque_sp(new ExecutionContextRef(lldb_object_sp)) { LLDB_RECORD_CONSTRUCTOR(SBFrame, (const lldb::StackFrameSP &), lldb_object_sp); } SBFrame::SBFrame(const SBFrame &rhs) : m_opaque_sp() { LLDB_RECORD_CONSTRUCTOR(SBFrame, (const lldb::SBFrame &), rhs); m_opaque_sp = clone(rhs.m_opaque_sp); } SBFrame::~SBFrame() = default; const SBFrame &SBFrame::operator=(const SBFrame &rhs) { LLDB_RECORD_METHOD(const lldb::SBFrame &, SBFrame, operator=,(const lldb::SBFrame &), rhs); if (this != &rhs) m_opaque_sp = clone(rhs.m_opaque_sp); return LLDB_RECORD_RESULT(*this); } StackFrameSP SBFrame::GetFrameSP() const { return (m_opaque_sp ? m_opaque_sp->GetFrameSP() : StackFrameSP()); } void SBFrame::SetFrameSP(const StackFrameSP &lldb_object_sp) { return m_opaque_sp->SetFrameSP(lldb_object_sp); } bool SBFrame::IsValid() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFrame, IsValid); return this->operator bool(); } SBFrame::operator bool() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFrame, operator bool); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) return GetFrameSP().get() != nullptr; } // Without a target & process we can't have a valid stack frame. return false; } SBSymbolContext SBFrame::GetSymbolContext(uint32_t resolve_scope) const { LLDB_RECORD_METHOD_CONST(lldb::SBSymbolContext, SBFrame, GetSymbolContext, (uint32_t), resolve_scope); SBSymbolContext sb_sym_ctx; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); SymbolContextItem scope = static_cast(resolve_scope); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) sb_sym_ctx.SetSymbolContext(&frame->GetSymbolContext(scope)); } } return LLDB_RECORD_RESULT(sb_sym_ctx); } SBModule SBFrame::GetModule() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBModule, SBFrame, GetModule); SBModule sb_module; ModuleSP module_sp; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { module_sp = frame->GetSymbolContext(eSymbolContextModule).module_sp; sb_module.SetSP(module_sp); } } } return LLDB_RECORD_RESULT(sb_module); } SBCompileUnit SBFrame::GetCompileUnit() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBCompileUnit, SBFrame, GetCompileUnit); SBCompileUnit sb_comp_unit; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { sb_comp_unit.reset( frame->GetSymbolContext(eSymbolContextCompUnit).comp_unit); } } } return LLDB_RECORD_RESULT(sb_comp_unit); } SBFunction SBFrame::GetFunction() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBFunction, SBFrame, GetFunction); SBFunction sb_function; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { sb_function.reset( frame->GetSymbolContext(eSymbolContextFunction).function); } } } return LLDB_RECORD_RESULT(sb_function); } SBSymbol SBFrame::GetSymbol() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBSymbol, SBFrame, GetSymbol); SBSymbol sb_symbol; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { sb_symbol.reset(frame->GetSymbolContext(eSymbolContextSymbol).symbol); } } } return LLDB_RECORD_RESULT(sb_symbol); } SBBlock SBFrame::GetBlock() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBBlock, SBFrame, GetBlock); SBBlock sb_block; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) sb_block.SetPtr(frame->GetSymbolContext(eSymbolContextBlock).block); } } return LLDB_RECORD_RESULT(sb_block); } SBBlock SBFrame::GetFrameBlock() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBBlock, SBFrame, GetFrameBlock); SBBlock sb_block; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) sb_block.SetPtr(frame->GetFrameBlock()); } } return LLDB_RECORD_RESULT(sb_block); } SBLineEntry SBFrame::GetLineEntry() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBLineEntry, SBFrame, GetLineEntry); SBLineEntry sb_line_entry; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { sb_line_entry.SetLineEntry( frame->GetSymbolContext(eSymbolContextLineEntry).line_entry); } } } return LLDB_RECORD_RESULT(sb_line_entry); } uint32_t SBFrame::GetFrameID() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(uint32_t, SBFrame, GetFrameID); uint32_t frame_idx = UINT32_MAX; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); if (frame) frame_idx = frame->GetFrameIndex(); return frame_idx; } lldb::addr_t SBFrame::GetCFA() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBFrame, GetCFA); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); if (frame) return frame->GetStackID().GetCallFrameAddress(); return LLDB_INVALID_ADDRESS; } addr_t SBFrame::GetPC() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBFrame, GetPC); addr_t addr = LLDB_INVALID_ADDRESS; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { addr = frame->GetFrameCodeAddress().GetOpcodeLoadAddress( target, AddressClass::eCode); } } } return addr; } bool SBFrame::SetPC(addr_t new_pc) { LLDB_RECORD_METHOD(bool, SBFrame, SetPC, (lldb::addr_t), new_pc); bool ret_val = false; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { if (StackFrame *frame = exe_ctx.GetFramePtr()) { if (RegisterContextSP reg_ctx_sp = frame->GetRegisterContext()) { ret_val = reg_ctx_sp->SetPC(new_pc); } } } } return ret_val; } addr_t SBFrame::GetSP() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBFrame, GetSP); addr_t addr = LLDB_INVALID_ADDRESS; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { if (StackFrame *frame = exe_ctx.GetFramePtr()) { if (RegisterContextSP reg_ctx_sp = frame->GetRegisterContext()) { addr = reg_ctx_sp->GetSP(); } } } } return addr; } addr_t SBFrame::GetFP() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBFrame, GetFP); addr_t addr = LLDB_INVALID_ADDRESS; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { if (StackFrame *frame = exe_ctx.GetFramePtr()) { if (RegisterContextSP reg_ctx_sp = frame->GetRegisterContext()) { addr = reg_ctx_sp->GetFP(); } } } } return addr; } SBAddress SBFrame::GetPCAddress() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBAddress, SBFrame, GetPCAddress); SBAddress sb_addr; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) sb_addr.SetAddress(&frame->GetFrameCodeAddress()); } } return LLDB_RECORD_RESULT(sb_addr); } void SBFrame::Clear() { LLDB_RECORD_METHOD_NO_ARGS(void, SBFrame, Clear); m_opaque_sp->Clear(); } lldb::SBValue SBFrame::GetValueForVariablePath(const char *var_path) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, GetValueForVariablePath, (const char *), var_path); SBValue sb_value; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (frame && target) { lldb::DynamicValueType use_dynamic = frame->CalculateTarget()->GetPreferDynamicValue(); sb_value = GetValueForVariablePath(var_path, use_dynamic); } return LLDB_RECORD_RESULT(sb_value); } lldb::SBValue SBFrame::GetValueForVariablePath(const char *var_path, DynamicValueType use_dynamic) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, GetValueForVariablePath, (const char *, lldb::DynamicValueType), var_path, use_dynamic); SBValue sb_value; if (var_path == nullptr || var_path[0] == '\0') { return LLDB_RECORD_RESULT(sb_value); } std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { VariableSP var_sp; Status error; ValueObjectSP value_sp(frame->GetValueForVariableExpressionPath( var_path, eNoDynamicValues, StackFrame::eExpressionPathOptionCheckPtrVsMember | StackFrame::eExpressionPathOptionsAllowDirectIVarAccess, var_sp, error)); sb_value.SetSP(value_sp, use_dynamic); } } } return LLDB_RECORD_RESULT(sb_value); } SBValue SBFrame::FindVariable(const char *name) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, FindVariable, (const char *), name); SBValue value; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (frame && target) { lldb::DynamicValueType use_dynamic = frame->CalculateTarget()->GetPreferDynamicValue(); value = FindVariable(name, use_dynamic); } return LLDB_RECORD_RESULT(value); } SBValue SBFrame::FindVariable(const char *name, lldb::DynamicValueType use_dynamic) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, FindVariable, (const char *, lldb::DynamicValueType), name, use_dynamic); VariableSP var_sp; SBValue sb_value; if (name == nullptr || name[0] == '\0') { return LLDB_RECORD_RESULT(sb_value); } ValueObjectSP value_sp; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { value_sp = frame->FindVariable(ConstString(name)); if (value_sp) sb_value.SetSP(value_sp, use_dynamic); } } } return LLDB_RECORD_RESULT(sb_value); } SBValue SBFrame::FindValue(const char *name, ValueType value_type) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, FindValue, (const char *, lldb::ValueType), name, value_type); SBValue value; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (frame && target) { lldb::DynamicValueType use_dynamic = frame->CalculateTarget()->GetPreferDynamicValue(); value = FindValue(name, value_type, use_dynamic); } return LLDB_RECORD_RESULT(value); } SBValue SBFrame::FindValue(const char *name, ValueType value_type, lldb::DynamicValueType use_dynamic) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, FindValue, (const char *, lldb::ValueType, lldb::DynamicValueType), name, value_type, use_dynamic); SBValue sb_value; if (name == nullptr || name[0] == '\0') { return LLDB_RECORD_RESULT(sb_value); } ValueObjectSP value_sp; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { VariableList variable_list; switch (value_type) { case eValueTypeVariableGlobal: // global variable case eValueTypeVariableStatic: // static variable case eValueTypeVariableArgument: // function argument variables case eValueTypeVariableLocal: // function local variables case eValueTypeVariableThreadLocal: // thread local variables { SymbolContext sc(frame->GetSymbolContext(eSymbolContextBlock)); const bool can_create = true; const bool get_parent_variables = true; const bool stop_if_block_is_inlined_function = true; if (sc.block) sc.block->AppendVariables( can_create, get_parent_variables, stop_if_block_is_inlined_function, [frame](Variable *v) { return v->IsInScope(frame); }, &variable_list); if (value_type == eValueTypeVariableGlobal) { const bool get_file_globals = true; VariableList *frame_vars = frame->GetVariableList(get_file_globals); if (frame_vars) frame_vars->AppendVariablesIfUnique(variable_list); } ConstString const_name(name); VariableSP variable_sp( variable_list.FindVariable(const_name, value_type)); if (variable_sp) { value_sp = frame->GetValueObjectForFrameVariable(variable_sp, eNoDynamicValues); sb_value.SetSP(value_sp, use_dynamic); } } break; case eValueTypeRegister: // stack frame register value { RegisterContextSP reg_ctx(frame->GetRegisterContext()); if (reg_ctx) { const uint32_t num_regs = reg_ctx->GetRegisterCount(); for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) { const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_idx); if (reg_info && ((reg_info->name && strcasecmp(reg_info->name, name) == 0) || (reg_info->alt_name && strcasecmp(reg_info->alt_name, name) == 0))) { value_sp = ValueObjectRegister::Create(frame, reg_ctx, reg_idx); sb_value.SetSP(value_sp); break; } } } } break; case eValueTypeRegisterSet: // A collection of stack frame register // values { RegisterContextSP reg_ctx(frame->GetRegisterContext()); if (reg_ctx) { const uint32_t num_sets = reg_ctx->GetRegisterSetCount(); for (uint32_t set_idx = 0; set_idx < num_sets; ++set_idx) { const RegisterSet *reg_set = reg_ctx->GetRegisterSet(set_idx); if (reg_set && ((reg_set->name && strcasecmp(reg_set->name, name) == 0) || (reg_set->short_name && strcasecmp(reg_set->short_name, name) == 0))) { value_sp = ValueObjectRegisterSet::Create(frame, reg_ctx, set_idx); sb_value.SetSP(value_sp); break; } } } } break; case eValueTypeConstResult: // constant result variables { ConstString const_name(name); ExpressionVariableSP expr_var_sp( target->GetPersistentVariable(const_name)); if (expr_var_sp) { value_sp = expr_var_sp->GetValueObject(); sb_value.SetSP(value_sp, use_dynamic); } } break; default: break; } } } } return LLDB_RECORD_RESULT(sb_value); } bool SBFrame::IsEqual(const SBFrame &that) const { LLDB_RECORD_METHOD_CONST(bool, SBFrame, IsEqual, (const lldb::SBFrame &), that); lldb::StackFrameSP this_sp = GetFrameSP(); lldb::StackFrameSP that_sp = that.GetFrameSP(); return (this_sp && that_sp && this_sp->GetStackID() == that_sp->GetStackID()); } bool SBFrame::operator==(const SBFrame &rhs) const { LLDB_RECORD_METHOD_CONST(bool, SBFrame, operator==,(const lldb::SBFrame &), rhs); return IsEqual(rhs); } bool SBFrame::operator!=(const SBFrame &rhs) const { LLDB_RECORD_METHOD_CONST(bool, SBFrame, operator!=,(const lldb::SBFrame &), rhs); return !IsEqual(rhs); } SBThread SBFrame::GetThread() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::SBThread, SBFrame, GetThread); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); ThreadSP thread_sp(exe_ctx.GetThreadSP()); SBThread sb_thread(thread_sp); return LLDB_RECORD_RESULT(sb_thread); } const char *SBFrame::Disassemble() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBFrame, Disassemble); const char *disassembly = nullptr; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { disassembly = frame->Disassemble(); } } } return disassembly; } SBValueList SBFrame::GetVariables(bool arguments, bool locals, bool statics, bool in_scope_only) { LLDB_RECORD_METHOD(lldb::SBValueList, SBFrame, GetVariables, (bool, bool, bool, bool), arguments, locals, statics, in_scope_only); SBValueList value_list; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (frame && target) { lldb::DynamicValueType use_dynamic = frame->CalculateTarget()->GetPreferDynamicValue(); const bool include_runtime_support_values = target ? target->GetDisplayRuntimeSupportValues() : false; SBVariablesOptions options; options.SetIncludeArguments(arguments); options.SetIncludeLocals(locals); options.SetIncludeStatics(statics); options.SetInScopeOnly(in_scope_only); options.SetIncludeRuntimeSupportValues(include_runtime_support_values); options.SetUseDynamic(use_dynamic); value_list = GetVariables(options); } return LLDB_RECORD_RESULT(value_list); } lldb::SBValueList SBFrame::GetVariables(bool arguments, bool locals, bool statics, bool in_scope_only, lldb::DynamicValueType use_dynamic) { LLDB_RECORD_METHOD(lldb::SBValueList, SBFrame, GetVariables, (bool, bool, bool, bool, lldb::DynamicValueType), arguments, locals, statics, in_scope_only, use_dynamic); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); Target *target = exe_ctx.GetTargetPtr(); const bool include_runtime_support_values = target ? target->GetDisplayRuntimeSupportValues() : false; SBVariablesOptions options; options.SetIncludeArguments(arguments); options.SetIncludeLocals(locals); options.SetIncludeStatics(statics); options.SetInScopeOnly(in_scope_only); options.SetIncludeRuntimeSupportValues(include_runtime_support_values); options.SetUseDynamic(use_dynamic); return LLDB_RECORD_RESULT(GetVariables(options)); } SBValueList SBFrame::GetVariables(const lldb::SBVariablesOptions &options) { LLDB_RECORD_METHOD(lldb::SBValueList, SBFrame, GetVariables, (const lldb::SBVariablesOptions &), options); SBValueList value_list; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); const bool statics = options.GetIncludeStatics(); const bool arguments = options.GetIncludeArguments(); const bool recognized_arguments = options.GetIncludeRecognizedArguments(SBTarget(exe_ctx.GetTargetSP())); const bool locals = options.GetIncludeLocals(); const bool in_scope_only = options.GetInScopeOnly(); const bool include_runtime_support_values = options.GetIncludeRuntimeSupportValues(); const lldb::DynamicValueType use_dynamic = options.GetUseDynamic(); std::set variable_set; Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { VariableList *variable_list = nullptr; variable_list = frame->GetVariableList(true); if (variable_list) { const size_t num_variables = variable_list->GetSize(); if (num_variables) { for (const VariableSP &variable_sp : *variable_list) { if (variable_sp) { bool add_variable = false; switch (variable_sp->GetScope()) { case eValueTypeVariableGlobal: case eValueTypeVariableStatic: case eValueTypeVariableThreadLocal: add_variable = statics; break; case eValueTypeVariableArgument: add_variable = arguments; break; case eValueTypeVariableLocal: add_variable = locals; break; default: break; } if (add_variable) { // Only add variables once so we don't end up with duplicates if (variable_set.find(variable_sp) == variable_set.end()) variable_set.insert(variable_sp); else continue; if (in_scope_only && !variable_sp->IsInScope(frame)) continue; ValueObjectSP valobj_sp(frame->GetValueObjectForFrameVariable( variable_sp, eNoDynamicValues)); if (!include_runtime_support_values && valobj_sp != nullptr && valobj_sp->IsRuntimeSupportValue()) continue; SBValue value_sb; value_sb.SetSP(valobj_sp, use_dynamic); value_list.Append(value_sb); } } } } } if (recognized_arguments) { auto recognized_frame = frame->GetRecognizedFrame(); if (recognized_frame) { ValueObjectListSP recognized_arg_list = recognized_frame->GetRecognizedArguments(); if (recognized_arg_list) { for (auto &rec_value_sp : recognized_arg_list->GetObjects()) { SBValue value_sb; value_sb.SetSP(rec_value_sp, use_dynamic); value_list.Append(value_sb); } } } } } } } return LLDB_RECORD_RESULT(value_list); } SBValueList SBFrame::GetRegisters() { LLDB_RECORD_METHOD_NO_ARGS(lldb::SBValueList, SBFrame, GetRegisters); SBValueList value_list; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { RegisterContextSP reg_ctx(frame->GetRegisterContext()); if (reg_ctx) { const uint32_t num_sets = reg_ctx->GetRegisterSetCount(); for (uint32_t set_idx = 0; set_idx < num_sets; ++set_idx) { value_list.Append( ValueObjectRegisterSet::Create(frame, reg_ctx, set_idx)); } } } } } return LLDB_RECORD_RESULT(value_list); } SBValue SBFrame::FindRegister(const char *name) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, FindRegister, (const char *), name); SBValue result; ValueObjectSP value_sp; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { RegisterContextSP reg_ctx(frame->GetRegisterContext()); if (reg_ctx) { const uint32_t num_regs = reg_ctx->GetRegisterCount(); for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) { const RegisterInfo *reg_info = reg_ctx->GetRegisterInfoAtIndex(reg_idx); if (reg_info && ((reg_info->name && strcasecmp(reg_info->name, name) == 0) || (reg_info->alt_name && strcasecmp(reg_info->alt_name, name) == 0))) { value_sp = ValueObjectRegister::Create(frame, reg_ctx, reg_idx); result.SetSP(value_sp); break; } } } } } } return LLDB_RECORD_RESULT(result); } bool SBFrame::GetDescription(SBStream &description) { LLDB_RECORD_METHOD(bool, SBFrame, GetDescription, (lldb::SBStream &), description); Stream &strm = description.ref(); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { frame->DumpUsingSettingsFormat(&strm); } } } else strm.PutCString("No value"); return true; } SBValue SBFrame::EvaluateExpression(const char *expr) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *), expr); SBValue result; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (frame && target) { SBExpressionOptions options; lldb::DynamicValueType fetch_dynamic_value = frame->CalculateTarget()->GetPreferDynamicValue(); options.SetFetchDynamicValue(fetch_dynamic_value); options.SetUnwindOnError(true); options.SetIgnoreBreakpoints(true); if (target->GetLanguage() != eLanguageTypeUnknown) options.SetLanguage(target->GetLanguage()); else options.SetLanguage(frame->GetLanguage()); return LLDB_RECORD_RESULT(EvaluateExpression(expr, options)); } return LLDB_RECORD_RESULT(result); } SBValue SBFrame::EvaluateExpression(const char *expr, lldb::DynamicValueType fetch_dynamic_value) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, lldb::DynamicValueType), expr, fetch_dynamic_value); SBExpressionOptions options; options.SetFetchDynamicValue(fetch_dynamic_value); options.SetUnwindOnError(true); options.SetIgnoreBreakpoints(true); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (target && target->GetLanguage() != eLanguageTypeUnknown) options.SetLanguage(target->GetLanguage()); else if (frame) options.SetLanguage(frame->GetLanguage()); return LLDB_RECORD_RESULT(EvaluateExpression(expr, options)); } SBValue SBFrame::EvaluateExpression(const char *expr, lldb::DynamicValueType fetch_dynamic_value, bool unwind_on_error) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, lldb::DynamicValueType, bool), expr, fetch_dynamic_value, unwind_on_error); SBExpressionOptions options; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); options.SetFetchDynamicValue(fetch_dynamic_value); options.SetUnwindOnError(unwind_on_error); options.SetIgnoreBreakpoints(true); StackFrame *frame = exe_ctx.GetFramePtr(); Target *target = exe_ctx.GetTargetPtr(); if (target && target->GetLanguage() != eLanguageTypeUnknown) options.SetLanguage(target->GetLanguage()); else if (frame) options.SetLanguage(frame->GetLanguage()); return LLDB_RECORD_RESULT(EvaluateExpression(expr, options)); } lldb::SBValue SBFrame::EvaluateExpression(const char *expr, const SBExpressionOptions &options) { LLDB_RECORD_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, const lldb::SBExpressionOptions &), expr, options); Log *expr_log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_EXPRESSIONS)); SBValue expr_result; if (expr == nullptr || expr[0] == '\0') { return LLDB_RECORD_RESULT(expr_result); } ValueObjectSP expr_value_sp; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { std::unique_ptr stack_trace; if (target->GetDisplayExpressionsInCrashlogs()) { StreamString frame_description; frame->DumpUsingSettingsFormat(&frame_description); stack_trace = std::make_unique( "SBFrame::EvaluateExpression (expr = \"%s\", fetch_dynamic_value " "= %u) %s", expr, options.GetFetchDynamicValue(), frame_description.GetData()); } target->EvaluateExpression(expr, frame, expr_value_sp, options.ref()); expr_result.SetSP(expr_value_sp, options.GetFetchDynamicValue()); } } } LLDB_LOGF(expr_log, "** [SBFrame::EvaluateExpression] Expression result is " "%s, summary %s **", expr_result.GetValue(), expr_result.GetSummary()); return LLDB_RECORD_RESULT(expr_result); } bool SBFrame::IsInlined() { LLDB_RECORD_METHOD_NO_ARGS(bool, SBFrame, IsInlined); return static_cast(this)->IsInlined(); } bool SBFrame::IsInlined() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFrame, IsInlined); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { Block *block = frame->GetSymbolContext(eSymbolContextBlock).block; if (block) return block->GetContainingInlinedBlock() != nullptr; } } } return false; } bool SBFrame::IsArtificial() { LLDB_RECORD_METHOD_NO_ARGS(bool, SBFrame, IsArtificial); return static_cast(this)->IsArtificial(); } bool SBFrame::IsArtificial() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBFrame, IsArtificial); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = exe_ctx.GetFramePtr(); if (frame) return frame->IsArtificial(); return false; } const char *SBFrame::GetFunctionName() { LLDB_RECORD_METHOD_NO_ARGS(const char *, SBFrame, GetFunctionName); return static_cast(this)->GetFunctionName(); } lldb::LanguageType SBFrame::GuessLanguage() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::LanguageType, SBFrame, GuessLanguage); std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { return frame->GuessLanguage(); } } } return eLanguageTypeUnknown; } const char *SBFrame::GetFunctionName() const { LLDB_RECORD_METHOD_CONST_NO_ARGS(const char *, SBFrame, GetFunctionName); const char *name = nullptr; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { SymbolContext sc(frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextBlock | eSymbolContextSymbol)); if (sc.block) { Block *inlined_block = sc.block->GetContainingInlinedBlock(); if (inlined_block) { const InlineFunctionInfo *inlined_info = inlined_block->GetInlinedFunctionInfo(); name = inlined_info->GetName().AsCString(); } } if (name == nullptr) { if (sc.function) name = sc.function->GetName().GetCString(); } if (name == nullptr) { if (sc.symbol) name = sc.symbol->GetName().GetCString(); } } } } return name; } const char *SBFrame::GetDisplayFunctionName() { LLDB_RECORD_METHOD_NO_ARGS(const char *, SBFrame, GetDisplayFunctionName); const char *name = nullptr; std::unique_lock lock; ExecutionContext exe_ctx(m_opaque_sp.get(), lock); StackFrame *frame = nullptr; Target *target = exe_ctx.GetTargetPtr(); Process *process = exe_ctx.GetProcessPtr(); if (target && process) { Process::StopLocker stop_locker; if (stop_locker.TryLock(&process->GetRunLock())) { frame = exe_ctx.GetFramePtr(); if (frame) { SymbolContext sc(frame->GetSymbolContext(eSymbolContextFunction | eSymbolContextBlock | eSymbolContextSymbol)); if (sc.block) { Block *inlined_block = sc.block->GetContainingInlinedBlock(); if (inlined_block) { const InlineFunctionInfo *inlined_info = inlined_block->GetInlinedFunctionInfo(); name = inlined_info->GetDisplayName().AsCString(); } } if (name == nullptr) { if (sc.function) name = sc.function->GetDisplayName().GetCString(); } if (name == nullptr) { if (sc.symbol) name = sc.symbol->GetDisplayName().GetCString(); } } } } return name; } namespace lldb_private { namespace repro { template <> void RegisterMethods(Registry &R) { LLDB_REGISTER_CONSTRUCTOR(SBFrame, ()); LLDB_REGISTER_CONSTRUCTOR(SBFrame, (const lldb::StackFrameSP &)); LLDB_REGISTER_CONSTRUCTOR(SBFrame, (const lldb::SBFrame &)); LLDB_REGISTER_METHOD(const lldb::SBFrame &, SBFrame, operator=,(const lldb::SBFrame &)); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, IsValid, ()); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, operator bool, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBSymbolContext, SBFrame, GetSymbolContext, (uint32_t)); LLDB_REGISTER_METHOD_CONST(lldb::SBModule, SBFrame, GetModule, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBCompileUnit, SBFrame, GetCompileUnit, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBFunction, SBFrame, GetFunction, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBSymbol, SBFrame, GetSymbol, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBBlock, SBFrame, GetBlock, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBBlock, SBFrame, GetFrameBlock, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBLineEntry, SBFrame, GetLineEntry, ()); LLDB_REGISTER_METHOD_CONST(uint32_t, SBFrame, GetFrameID, ()); LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBFrame, GetCFA, ()); LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBFrame, GetPC, ()); LLDB_REGISTER_METHOD(bool, SBFrame, SetPC, (lldb::addr_t)); LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBFrame, GetSP, ()); LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBFrame, GetFP, ()); LLDB_REGISTER_METHOD_CONST(lldb::SBAddress, SBFrame, GetPCAddress, ()); LLDB_REGISTER_METHOD(void, SBFrame, Clear, ()); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, GetValueForVariablePath, (const char *)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, GetValueForVariablePath, (const char *, lldb::DynamicValueType)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, FindVariable, (const char *)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, FindVariable, (const char *, lldb::DynamicValueType)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, FindValue, (const char *, lldb::ValueType)); LLDB_REGISTER_METHOD( lldb::SBValue, SBFrame, FindValue, (const char *, lldb::ValueType, lldb::DynamicValueType)); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, IsEqual, (const lldb::SBFrame &)); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, operator==,(const lldb::SBFrame &)); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, operator!=,(const lldb::SBFrame &)); LLDB_REGISTER_METHOD_CONST(lldb::SBThread, SBFrame, GetThread, ()); LLDB_REGISTER_METHOD_CONST(const char *, SBFrame, Disassemble, ()); LLDB_REGISTER_METHOD(lldb::SBValueList, SBFrame, GetVariables, (bool, bool, bool, bool)); LLDB_REGISTER_METHOD(lldb::SBValueList, SBFrame, GetVariables, (bool, bool, bool, bool, lldb::DynamicValueType)); LLDB_REGISTER_METHOD(lldb::SBValueList, SBFrame, GetVariables, (const lldb::SBVariablesOptions &)); LLDB_REGISTER_METHOD(lldb::SBValueList, SBFrame, GetRegisters, ()); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, FindRegister, (const char *)); LLDB_REGISTER_METHOD(bool, SBFrame, GetDescription, (lldb::SBStream &)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, lldb::DynamicValueType)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, lldb::DynamicValueType, bool)); LLDB_REGISTER_METHOD(lldb::SBValue, SBFrame, EvaluateExpression, (const char *, const lldb::SBExpressionOptions &)); LLDB_REGISTER_METHOD(bool, SBFrame, IsInlined, ()); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, IsInlined, ()); LLDB_REGISTER_METHOD(bool, SBFrame, IsArtificial, ()); LLDB_REGISTER_METHOD_CONST(bool, SBFrame, IsArtificial, ()); LLDB_REGISTER_METHOD(const char *, SBFrame, GetFunctionName, ()); LLDB_REGISTER_METHOD_CONST(lldb::LanguageType, SBFrame, GuessLanguage, ()); LLDB_REGISTER_METHOD_CONST(const char *, SBFrame, GetFunctionName, ()); LLDB_REGISTER_METHOD(const char *, SBFrame, GetDisplayFunctionName, ()); } } }