xref: /llvm-project-15.0.7/lldb/source/API/SBFrame.cpp (revision bb19a13c)

//===-- SBFrame.cpp ---------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// C Includes
// C++ Includes
#include <algorithm>
#include <set>
#include <string>

// Other libraries and framework includes
// Project includes
#include "lldb/API/SBFrame.h"

#include "lldb/lldb-types.h"

#include "lldb/Core/Address.h"
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/ValueObjectRegister.h"
#include "lldb/Core/ValueObjectVariable.h"
#include "Plugins/ExpressionParser/Clang/ClangPersistentVariables.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/VariableList.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/StackID.h"
#include "lldb/Target/Thread.h"

#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBValue.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBExpressionOptions.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBSymbolContext.h"
#include "lldb/API/SBThread.h"
#include "lldb/API/SBVariablesOptions.h"

using namespace lldb;
using namespace lldb_private;

SBFrame::SBFrame () :
    m_opaque_sp (new ExecutionContextRef())
{
}

SBFrame::SBFrame (const StackFrameSP &lldb_object_sp) :
    m_opaque_sp (new ExecutionContextRef (lldb_object_sp))
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    if (log)
    {
        SBStream sstr;
        GetDescription (sstr);
        log->Printf ("SBFrame::SBFrame (sp=%p) => SBFrame(%p): %s",
                     static_cast<void*>(lldb_object_sp.get()),
                     static_cast<void*>(lldb_object_sp.get()), sstr.GetData());
    }
}

SBFrame::SBFrame(const SBFrame &rhs) :
    m_opaque_sp (new ExecutionContextRef (*rhs.m_opaque_sp))
{
}

SBFrame::~SBFrame() = default;

const SBFrame &
SBFrame::operator = (const SBFrame &rhs)
{
    if (this != &rhs)
        *m_opaque_sp = *rhs.m_opaque_sp;
    return *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
{
    std::unique_lock<std::recursive_mutex> 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
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBSymbolContext sb_sym_ctx;
    std::unique_lock<std::recursive_mutex> 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_sym_ctx.SetSymbolContext(&frame->GetSymbolContext (resolve_scope));
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetVariables () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetSymbolContext () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetSymbolContext (resolve_scope=0x%8.8x) => SBSymbolContext(%p)",
                     static_cast<void*>(frame), resolve_scope,
                     static_cast<void*>(sb_sym_ctx.get()));

    return sb_sym_ctx;
}

SBModule
SBFrame::GetModule () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBModule sb_module;
    ModuleSP module_sp;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetModule () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetModule () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetModule () => SBModule(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(module_sp.get()));

    return sb_module;
}

SBCompileUnit
SBFrame::GetCompileUnit () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBCompileUnit sb_comp_unit;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetCompileUnit () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetCompileUnit () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetCompileUnit () => SBCompileUnit(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_comp_unit.get()));

    return sb_comp_unit;
}

SBFunction
SBFrame::GetFunction () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBFunction sb_function;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetFunction () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetFunction () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetFunction () => SBFunction(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_function.get()));

    return sb_function;
}

SBSymbol
SBFrame::GetSymbol () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBSymbol sb_symbol;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetSymbol () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetSymbol () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetSymbol () => SBSymbol(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_symbol.get()));
    return sb_symbol;
}

SBBlock
SBFrame::GetBlock () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBBlock sb_block;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetBlock () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame(%p)::GetBlock () => error: process is running",
                             static_cast<void*>(frame));
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetBlock () => SBBlock(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_block.GetPtr()));
    return sb_block;
}

SBBlock
SBFrame::GetFrameBlock () const
{
    SBBlock sb_block;
    std::unique_lock<std::recursive_mutex> lock;
    ExecutionContext exe_ctx(m_opaque_sp.get(), lock);

    StackFrame *frame = nullptr;
    Target *target = exe_ctx.GetTargetPtr();
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    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 ());
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetFrameBlock () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetFrameBlock () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetFrameBlock () => SBBlock(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_block.GetPtr()));
    return sb_block;
}

SBLineEntry
SBFrame::GetLineEntry () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBLineEntry sb_line_entry;
    std::unique_lock<std::recursive_mutex> 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);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetLineEntry () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetLineEntry () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetLineEntry () => SBLineEntry(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_line_entry.get()));
    return sb_line_entry;
}

uint32_t
SBFrame::GetFrameID () const
{
    uint32_t frame_idx = UINT32_MAX;

    ExecutionContext exe_ctx(m_opaque_sp.get());
    StackFrame *frame = exe_ctx.GetFramePtr();
    if (frame)
        frame_idx = frame->GetFrameIndex ();

    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (log)
        log->Printf ("SBFrame(%p)::GetFrameID () => %u",
                     static_cast<void*>(frame), frame_idx);
    return frame_idx;
}

lldb::addr_t
SBFrame::GetCFA () const
{
    ExecutionContext exe_ctx(m_opaque_sp.get());
    StackFrame *frame = exe_ctx.GetFramePtr();
    if (frame)
        return frame->GetStackID().GetCallFrameAddress();
    return LLDB_INVALID_ADDRESS;
}

addr_t
SBFrame::GetPC () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    addr_t addr = LLDB_INVALID_ADDRESS;
    std::unique_lock<std::recursive_mutex> 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, eAddressClassCode);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetPC () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetPC () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetPC () => 0x%" PRIx64,
                     static_cast<void*>(frame), addr);

    return addr;
}

bool
SBFrame::SetPC (addr_t new_pc)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    bool ret_val = false;
    std::unique_lock<std::recursive_mutex> 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)
            {
                ret_val = frame->GetRegisterContext()->SetPC (new_pc);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::SetPC () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::SetPC () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::SetPC (new_pc=0x%" PRIx64 ") => %i",
                     static_cast<void*>(frame), new_pc, ret_val);

    return ret_val;
}

addr_t
SBFrame::GetSP () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    addr_t addr = LLDB_INVALID_ADDRESS;
    std::unique_lock<std::recursive_mutex> 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->GetRegisterContext()->GetSP();
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetSP () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetSP () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetSP () => 0x%" PRIx64,
                     static_cast<void*>(frame), addr);

    return addr;
}

addr_t
SBFrame::GetFP () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    addr_t addr = LLDB_INVALID_ADDRESS;
    std::unique_lock<std::recursive_mutex> 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->GetRegisterContext()->GetFP();
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetFP () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetFP () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetFP () => 0x%" PRIx64,
                     static_cast<void*>(frame), addr);
    return addr;
}

SBAddress
SBFrame::GetPCAddress () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBAddress sb_addr;
    std::unique_lock<std::recursive_mutex> 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());
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetPCAddress () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetPCAddress () => error: process is running");
        }
    }
    if (log)
        log->Printf ("SBFrame(%p)::GetPCAddress () => SBAddress(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(sb_addr.get()));
    return sb_addr;
}

void
SBFrame::Clear()
{
    m_opaque_sp->Clear();
}

lldb::SBValue
SBFrame::GetValueForVariablePath (const char *var_path)
{
    SBValue sb_value;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 sb_value;
}

lldb::SBValue
SBFrame::GetValueForVariablePath (const char *var_path, DynamicValueType use_dynamic)
{
    SBValue sb_value;
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    if (var_path == nullptr || var_path[0] == '\0')
    {
        if (log)
            log->Printf ("SBFrame::GetValueForVariablePath called with empty variable path.");
        return sb_value;
    }

    std::unique_lock<std::recursive_mutex> 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;
                Error error;
                ValueObjectSP value_sp (frame->GetValueForVariableExpressionPath (var_path,
                                                                                  eNoDynamicValues,
                                                                                  StackFrame::eExpressionPathOptionCheckPtrVsMember | StackFrame::eExpressionPathOptionsAllowDirectIVarAccess,
                                                                                  var_sp,
                                                                                  error));
                sb_value.SetSP(value_sp, use_dynamic);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetValueForVariablePath () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetValueForVariablePath () => error: process is running");
        }
    }
    return sb_value;
}

SBValue
SBFrame::FindVariable (const char *name)
{
    SBValue value;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 value;
}

SBValue
SBFrame::FindVariable (const char *name, lldb::DynamicValueType use_dynamic)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    VariableSP var_sp;
    SBValue sb_value;

    if (name == nullptr || name[0] == '\0')
    {
        if (log)
            log->Printf ("SBFrame::FindVariable called with empty name");
        return sb_value;
    }

    ValueObjectSP value_sp;
    std::unique_lock<std::recursive_mutex> 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;
                SymbolContext sc (frame->GetSymbolContext (eSymbolContextBlock));

                if (sc.block)
                {
                    const bool can_create = true;
                    const bool get_parent_variables = true;
                    const bool stop_if_block_is_inlined_function = true;

                    if (sc.block->AppendVariables (can_create,
                                                   get_parent_variables,
                                                   stop_if_block_is_inlined_function,
                                                   [frame](Variable* v) { return v->IsInScope(frame); },
                                                   &variable_list))
                    {
                        var_sp = variable_list.FindVariable (ConstString(name));
                    }
                }

                if (var_sp)
                {
                    value_sp = frame->GetValueObjectForFrameVariable(var_sp, eNoDynamicValues);
                    sb_value.SetSP(value_sp, use_dynamic);
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::FindVariable () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::FindVariable () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::FindVariable (name=\"%s\") => SBValue(%p)",
                     static_cast<void*>(frame), name,
                     static_cast<void*>(value_sp.get()));

    return sb_value;
}

SBValue
SBFrame::FindValue (const char *name, ValueType value_type)
{
    SBValue value;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 value;
}

SBValue
SBFrame::FindValue (const char *name, ValueType value_type, lldb::DynamicValueType use_dynamic)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    SBValue sb_value;

    if (name == nullptr || name[0] == '\0')
    {
        if (log)
            log->Printf ("SBFrame::FindValue called with empty name.");
        return sb_value;
    }

    ValueObjectSP value_sp;
    std::unique_lock<std::recursive_mutex> 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
                    {
                        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;
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::FindValue () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::FindValue () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::FindVariableInScope (name=\"%s\", value_type=%i) => SBValue(%p)",
                     static_cast<void*>(frame), name, value_type,
                     static_cast<void*>(value_sp.get()));

    return sb_value;
}

bool
SBFrame::IsEqual (const SBFrame &that) const
{
    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
{
    return IsEqual(rhs);
}

bool
SBFrame::operator != (const SBFrame &rhs) const
{
    return !IsEqual(rhs);
}

SBThread
SBFrame::GetThread () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    ExecutionContext exe_ctx(m_opaque_sp.get());
    ThreadSP thread_sp (exe_ctx.GetThreadSP());
    SBThread sb_thread (thread_sp);

    if (log)
    {
        SBStream sstr;
        sb_thread.GetDescription (sstr);
        log->Printf ("SBFrame(%p)::GetThread () => SBThread(%p): %s",
                     static_cast<void*>(exe_ctx.GetFramePtr()),
                     static_cast<void*>(thread_sp.get()), sstr.GetData());
    }

    return sb_thread;
}

const char *
SBFrame::Disassemble () const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    const char *disassembly = nullptr;
    std::unique_lock<std::recursive_mutex> 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();
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::Disassemble () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::Disassemble () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::Disassemble () => %s",
                     static_cast<void*>(frame), disassembly);

    return disassembly;
}

SBValueList
SBFrame::GetVariables (bool arguments,
                       bool locals,
                       bool statics,
                       bool in_scope_only)
{
    SBValueList value_list;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 value_list;
}

lldb::SBValueList
SBFrame::GetVariables (bool arguments,
                       bool locals,
                       bool statics,
                       bool in_scope_only,
                       lldb::DynamicValueType  use_dynamic)
{
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 GetVariables(options);
}

SBValueList
SBFrame::GetVariables (const lldb::SBVariablesOptions& options)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBValueList value_list;
    std::unique_lock<std::recursive_mutex> 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 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();

    if (log)
        log->Printf ("SBFrame::GetVariables (arguments=%i, locals=%i, statics=%i, in_scope_only=%i runtime=%i dynamic=%i)",
                     arguments, locals,
                     statics, in_scope_only,
                     include_runtime_support_values, use_dynamic);

    std::set<VariableSP> 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)
            {
                size_t i;
                VariableList *variable_list = nullptr;
                variable_list = frame->GetVariableList(true);
                if (variable_list)
                {
                    const size_t num_variables = variable_list->GetSize();
                    if (num_variables)
                    {
                        for (i = 0; i < num_variables; ++i)
                        {
                            VariableSP variable_sp (variable_list->GetVariableAtIndex(i));
                            if (variable_sp)
                            {
                                bool add_variable = false;
                                switch (variable_sp->GetScope())
                                {
                                case eValueTypeVariableGlobal:
                                case eValueTypeVariableStatic:
                                    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);
                                }
                            }
                        }
                    }
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetVariables () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetVariables () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetVariables (...) => SBValueList(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(value_list.opaque_ptr()));

    return value_list;
}

SBValueList
SBFrame::GetRegisters ()
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBValueList value_list;
    std::unique_lock<std::recursive_mutex> 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));
                    }
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetRegisters () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetRegisters () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::GetRegisters () => SBValueList(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(value_list.opaque_ptr()));

    return value_list;
}

SBValue
SBFrame::FindRegister (const char *name)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

    SBValue result;
    ValueObjectSP value_sp;
    std::unique_lock<std::recursive_mutex> 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;
                        }
                    }
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::FindRegister () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::FindRegister () => error: process is running");
        }
    }

    if (log)
        log->Printf ("SBFrame(%p)::FindRegister () => SBValue(%p)",
                     static_cast<void*>(frame),
                     static_cast<void*>(value_sp.get()));

    return result;
}

bool
SBFrame::GetDescription (SBStream &description)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    Stream &strm = description.ref();

    std::unique_lock<std::recursive_mutex> 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
            {
                if (log)
                    log->Printf ("SBFrame::GetDescription () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetDescription () => error: process is running");
        }

    }
    else
        strm.PutCString ("No value");

    return true;
}

SBValue
SBFrame::EvaluateExpression (const char *expr)
{
    SBValue result;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 EvaluateExpression (expr, options);
    }
    return result;
}

SBValue
SBFrame::EvaluateExpression (const char *expr, lldb::DynamicValueType fetch_dynamic_value)
{
    SBExpressionOptions options;
    options.SetFetchDynamicValue (fetch_dynamic_value);
    options.SetUnwindOnError (true);
    options.SetIgnoreBreakpoints (true);
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 EvaluateExpression (expr, options);
}

SBValue
SBFrame::EvaluateExpression (const char *expr, lldb::DynamicValueType fetch_dynamic_value, bool unwind_on_error)
{
    SBExpressionOptions options;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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 EvaluateExpression (expr, options);
}

lldb::SBValue
SBFrame::EvaluateExpression (const char *expr, const SBExpressionOptions &options)
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));

#ifndef LLDB_DISABLE_PYTHON
    Log *expr_log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
#endif

    ExpressionResults exe_results = eExpressionSetupError;
    SBValue expr_result;

    if (expr == nullptr || expr[0] == '\0')
    {
        if (log)
            log->Printf ("SBFrame::EvaluateExpression called with an empty expression");
        return expr_result;
    }

    ValueObjectSP expr_value_sp;

    std::unique_lock<std::recursive_mutex> lock;
    ExecutionContext exe_ctx(m_opaque_sp.get(), lock);

    if (log)
        log->Printf ("SBFrame()::EvaluateExpression (expr=\"%s\")...", expr);

    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)
            {
                if (target->GetDisplayExpressionsInCrashlogs())
                {
                    StreamString frame_description;
                    frame->DumpUsingSettingsFormat (&frame_description);
                    Host::SetCrashDescriptionWithFormat ("SBFrame::EvaluateExpression (expr = \"%s\", fetch_dynamic_value = %u) %s",
                                                         expr, options.GetFetchDynamicValue(), frame_description.GetString().c_str());
                }

                exe_results = target->EvaluateExpression (expr,
                                                          frame,
                                                          expr_value_sp,
                                                          options.ref());
                expr_result.SetSP(expr_value_sp, options.GetFetchDynamicValue());

                if (target->GetDisplayExpressionsInCrashlogs())
                    Host::SetCrashDescription(nullptr);
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::EvaluateExpression () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::EvaluateExpression () => error: process is running");
        }
    }

#ifndef LLDB_DISABLE_PYTHON
    if (expr_log)
        expr_log->Printf("** [SBFrame::EvaluateExpression] Expression result is %s, summary %s **",
                         expr_result.GetValue(), expr_result.GetSummary());

    if (log)
        log->Printf ("SBFrame(%p)::EvaluateExpression (expr=\"%s\") => SBValue(%p) (execution result=%d)",
                     static_cast<void*>(frame), expr,
                     static_cast<void*>(expr_value_sp.get()), exe_results);
#endif

    return expr_result;
}

bool
SBFrame::IsInlined()
{
    return static_cast<const SBFrame*>(this)->IsInlined();
}

bool
SBFrame::IsInlined() const
{
    Log *log(GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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;
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::IsInlined () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::IsInlined () => error: process is running");
        }

    }
    return false;
}

const char *
SBFrame::GetFunctionName()
{
    return static_cast<const SBFrame*>(this)->GetFunctionName();
}

const char *
SBFrame::GetFunctionName() const
{
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    const char *name = nullptr;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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(sc.function->GetLanguage()).AsCString();
                    }
                }

                if (name == nullptr)
                {
                    if (sc.function)
                        name = sc.function->GetName().GetCString();
                }

                if (name == nullptr)
                {
                    if (sc.symbol)
                        name = sc.symbol->GetName().GetCString();
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetFunctionName () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetFunctionName() => error: process is running");

        }
    }
    return name;
}

const char *
SBFrame::GetDisplayFunctionName()
{
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
    const char *name = nullptr;
    ExecutionContext exe_ctx(m_opaque_sp.get());
    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(sc.function->GetLanguage()).AsCString();
                    }
                }

                if (name == nullptr)
                {
                    if (sc.function)
                        name = sc.function->GetDisplayName().GetCString();
                }

                if (name == nullptr)
                {
                    if (sc.symbol)
                        name = sc.symbol->GetDisplayName().GetCString();
                }
            }
            else
            {
                if (log)
                    log->Printf ("SBFrame::GetDisplayFunctionName () => error: could not reconstruct frame object for this SBFrame.");
            }
        }
        else
        {
            if (log)
                log->Printf ("SBFrame::GetDisplayFunctionName() => error: process is running");

        }
    }
    return name;
}