void
SBThread::StepOutOfFrame (lldb::SBFrame &sb_frame)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
Mutex::Locker api_locker;
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
StackFrameSP frame_sp (sb_frame.GetFrameSP());
if (log)
{
SBStream frame_desc_strm;
sb_frame.GetDescription (frame_desc_strm);
log->Printf ("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)", exe_ctx.GetThreadPtr(), frame_sp.get(), frame_desc_strm.GetData());
}
if (exe_ctx.HasThreadScope())
{
bool abort_other_plans = false;
bool stop_other_threads = false;
Thread *thread = exe_ctx.GetThreadPtr();
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut (abort_other_plans,
NULL,
false,
stop_other_threads,
eVoteYes,
eVoteNoOpinion,
frame_sp->GetFrameIndex()));
// This returns an error, we should use it!
ResumeNewPlan (exe_ctx, new_plan_sp.get());
}
}
// Internal function
void
LLDBServices::GetContextFromFrame(
/* const */ lldb::SBFrame& frame,
DT_CONTEXT *dtcontext)
{
#ifdef DBG_TARGET_AMD64
dtcontext->Rip = frame.GetPC();
dtcontext->Rsp = frame.GetSP();
dtcontext->Rbp = frame.GetFP();
dtcontext->EFlags = GetRegister(frame, "rflags");
dtcontext->Rax = GetRegister(frame, "rax");
dtcontext->Rbx = GetRegister(frame, "rbx");
dtcontext->Rcx = GetRegister(frame, "rcx");
dtcontext->Rdx = GetRegister(frame, "rdx");
dtcontext->Rsi = GetRegister(frame, "rsi");
dtcontext->Rdi = GetRegister(frame, "rdi");
dtcontext->R8 = GetRegister(frame, "r8");
dtcontext->R9 = GetRegister(frame, "r9");
dtcontext->R10 = GetRegister(frame, "r10");
dtcontext->R11 = GetRegister(frame, "r11");
dtcontext->R12 = GetRegister(frame, "r12");
dtcontext->R13 = GetRegister(frame, "r13");
dtcontext->R14 = GetRegister(frame, "r14");
dtcontext->R15 = GetRegister(frame, "r15");
dtcontext->SegCs = GetRegister(frame, "cs");
dtcontext->SegSs = GetRegister(frame, "ss");
dtcontext->SegDs = GetRegister(frame, "ds");
dtcontext->SegEs = GetRegister(frame, "es");
dtcontext->SegFs = GetRegister(frame, "fs");
dtcontext->SegGs = GetRegister(frame, "gs");
#elif DBG_TARGET_ARM
dtcontext->Pc = frame.GetPC();
dtcontext->Sp = frame.GetSP();
dtcontext->Lr = GetRegister(frame, "lr");
dtcontext->Cpsr = GetRegister(frame, "cpsr");
dtcontext->R0 = GetRegister(frame, "r0");
dtcontext->R1 = GetRegister(frame, "r1");
dtcontext->R2 = GetRegister(frame, "r2");
dtcontext->R3 = GetRegister(frame, "r3");
dtcontext->R4 = GetRegister(frame, "r4");
dtcontext->R5 = GetRegister(frame, "r5");
dtcontext->R6 = GetRegister(frame, "r6");
dtcontext->R7 = GetRegister(frame, "r7");
dtcontext->R8 = GetRegister(frame, "r8");
dtcontext->R9 = GetRegister(frame, "r9");
dtcontext->R10 = GetRegister(frame, "r10");
dtcontext->R11 = GetRegister(frame, "r11");
dtcontext->R12 = GetRegister(frame, "r12");
#endif
}
//++ ------------------------------------------------------------------------------------
// Details: Carry out work to complete the GDB show option 'language' to prepare
// and send back the requested information.
// Type: Method.
// Args: vrWords - (R) List of additional parameters used by this option.
// Return: MIstatus::success - Function succeeded.
// MIstatus::failure - Function failed.
// Throws: None.
//--
bool
CMICmdCmdGdbShow::OptionFnLanguage(const CMIUtilString::VecString_t &vrWords)
{
MIunused(vrWords);
// Get current language
CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBThread sbThread = rSessionInfo.GetProcess().GetSelectedThread();
const lldb::SBFrame sbFrame = sbThread.GetSelectedFrame();
lldb::SBCompileUnit sbCompileUnit = sbFrame.GetCompileUnit();
const lldb::LanguageType eLanguageType = sbCompileUnit.GetLanguage();
m_strValue = lldb::SBLanguageRuntime::GetNameForLanguageType(eLanguageType);
return MIstatus::success;
}
bool
SBInstruction::EmulateWithFrame (lldb::SBFrame &frame, uint32_t evaluate_options)
{
if (m_opaque_sp)
{
lldb::StackFrameSP frame_sp (frame.GetFrameSP());
if (frame_sp)
{
lldb_private::ExecutionContext exe_ctx;
frame_sp->CalculateExecutionContext (exe_ctx);
lldb_private::Target *target = exe_ctx.GetTargetPtr();
lldb_private::ArchSpec arch = target->GetArchitecture();
return m_opaque_sp->Emulate (arch,
evaluate_options,
(void *) frame_sp.get(),
&lldb_private::EmulateInstruction::ReadMemoryFrame,
&lldb_private::EmulateInstruction::WriteMemoryFrame,
&lldb_private::EmulateInstruction::ReadRegisterFrame,
&lldb_private::EmulateInstruction::WriteRegisterFrame);
}
}
return false;
}
lldb::SBValueList
SBBlock::GetVariables (lldb::SBFrame& frame,
bool arguments,
bool locals,
bool statics,
lldb::DynamicValueType use_dynamic)
{
Block *block = GetPtr();
SBValueList value_list;
if (block)
{
StackFrameSP frame_sp(frame.GetFrameSP());
VariableListSP variable_list_sp (block->GetBlockVariableList (true));
if (variable_list_sp)
{
const size_t num_variables = variable_list_sp->GetSize();
if (num_variables)
{
for (size_t i = 0; i < num_variables; ++i)
{
VariableSP variable_sp (variable_list_sp->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)
{
if (frame_sp)
{
lldb::ValueObjectSP valobj_sp(frame_sp->GetValueObjectForFrameVariable (variable_sp,eNoDynamicValues));
SBValue value_sb;
value_sb.SetSP(valobj_sp, use_dynamic);
value_list.Append (value_sb);
}
}
}
}
}
}
}
return value_list;
}
void SBThread::StepOutOfFrame(lldb::SBFrame &sb_frame) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
std::unique_lock<std::recursive_mutex> lock;
ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
if (!sb_frame.IsValid()) {
if (log)
log->Printf(
"SBThread(%p)::StepOutOfFrame passed an invalid frame, returning.",
static_cast<void *>(exe_ctx.GetThreadPtr()));
return;
}
StackFrameSP frame_sp(sb_frame.GetFrameSP());
if (log) {
SBStream frame_desc_strm;
sb_frame.GetDescription(frame_desc_strm);
log->Printf("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)",
static_cast<void *>(exe_ctx.GetThreadPtr()),
static_cast<void *>(frame_sp.get()), frame_desc_strm.GetData());
}
if (exe_ctx.HasThreadScope()) {
bool abort_other_plans = false;
bool stop_other_threads = false;
Thread *thread = exe_ctx.GetThreadPtr();
if (sb_frame.GetThread().GetThreadID() != thread->GetID()) {
log->Printf("SBThread(%p)::StepOutOfFrame passed a frame from another "
"thread (0x%" PRIx64 " vrs. 0x%" PRIx64 ", returning.",
static_cast<void *>(exe_ctx.GetThreadPtr()),
sb_frame.GetThread().GetThreadID(), thread->GetID());
}
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut(
abort_other_plans, NULL, false, stop_other_threads, eVoteYes,
eVoteNoOpinion, frame_sp->GetFrameIndex()));
// This returns an error, we should use it!
ResumeNewPlan(exe_ctx, new_plan_sp.get());
}
}
// Internal function
DWORD_PTR
LLDBServices::GetRegister(
/* const */ lldb::SBFrame& frame,
const char *name)
{
lldb::SBValue regValue = frame.FindRegister(name);
lldb::SBError error;
DWORD_PTR result = regValue.GetValueAsUnsigned(error);
return result;
}
void
SBThread::StepOutOfFrame (lldb::SBFrame &sb_frame)
{
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
SBStream frame_desc_strm;
sb_frame.GetDescription (frame_desc_strm);
log->Printf ("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)", m_opaque_sp.get(), sb_frame.get(), frame_desc_strm.GetData());
}
if (m_opaque_sp)
{
Mutex::Locker api_locker (m_opaque_sp->GetProcess().GetTarget().GetAPIMutex());
bool abort_other_plans = true;
bool stop_other_threads = true;
m_opaque_sp->QueueThreadPlanForStepOut (abort_other_plans,
NULL,
false,
stop_other_threads,
eVoteYes,
eVoteNoOpinion,
sb_frame->GetFrameIndex());
Process &process = m_opaque_sp->GetProcess();
process.GetThreadList().SetSelectedThreadByID (m_opaque_sp->GetID());
Error error (process.Resume());
if (error.Success())
{
// If we are doing synchronous mode, then wait for the
// process to stop yet again!
if (process.GetTarget().GetDebugger().GetAsyncExecution () == false)
process.WaitForProcessToStop (NULL);
}
}
}
// Internal function
DWORD_PTR
LLDBServices::GetExpression(
/* const */ lldb::SBFrame& frame,
lldb::SBError& error,
PCSTR exp)
{
DWORD_PTR result = 0;
lldb::SBValue value = frame.EvaluateExpression(exp, lldb::eNoDynamicValues);
if (value.IsValid())
{
result = value.GetValueAsUnsigned(error);
}
return result;
}
SBError
SBThread::StepOverUntil (lldb::SBFrame &sb_frame,
lldb::SBFileSpec &sb_file_spec,
uint32_t line)
{
SBError sb_error;
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
char path[PATH_MAX];
Mutex::Locker api_locker;
ExecutionContext exe_ctx (m_opaque_sp.get(), api_locker);
StackFrameSP frame_sp (sb_frame.GetFrameSP());
if (log)
{
SBStream frame_desc_strm;
sb_frame.GetDescription (frame_desc_strm);
sb_file_spec->GetPath (path, sizeof(path));
log->Printf ("SBThread(%p)::StepOverUntil (frame = SBFrame(%p): %s, file+line = %s:%u)",
exe_ctx.GetThreadPtr(),
frame_sp.get(),
frame_desc_strm.GetData(),
path, line);
}
if (exe_ctx.HasThreadScope())
{
Target *target = exe_ctx.GetTargetPtr();
Thread *thread = exe_ctx.GetThreadPtr();
if (line == 0)
{
sb_error.SetErrorString("invalid line argument");
return sb_error;
}
if (!frame_sp)
{
frame_sp = thread->GetSelectedFrame ();
if (!frame_sp)
frame_sp = thread->GetStackFrameAtIndex (0);
}
SymbolContext frame_sc;
if (!frame_sp)
{
sb_error.SetErrorString("no valid frames in thread to step");
return sb_error;
}
// If we have a frame, get its line
frame_sc = frame_sp->GetSymbolContext (eSymbolContextCompUnit |
eSymbolContextFunction |
eSymbolContextLineEntry |
eSymbolContextSymbol );
if (frame_sc.comp_unit == NULL)
{
sb_error.SetErrorStringWithFormat("frame %u doesn't have debug information", frame_sp->GetFrameIndex());
return sb_error;
}
FileSpec step_file_spec;
if (sb_file_spec.IsValid())
{
// The file spec passed in was valid, so use it
step_file_spec = sb_file_spec.ref();
}
else
{
if (frame_sc.line_entry.IsValid())
step_file_spec = frame_sc.line_entry.file;
else
{
sb_error.SetErrorString("invalid file argument or no file for frame");
return sb_error;
}
}
// Grab the current function, then we will make sure the "until" address is
// within the function. We discard addresses that are out of the current
// function, and then if there are no addresses remaining, give an appropriate
// error message.
bool all_in_function = true;
AddressRange fun_range = frame_sc.function->GetAddressRange();
std::vector<addr_t> step_over_until_addrs;
const bool abort_other_plans = false;
const bool stop_other_threads = false;
const bool check_inlines = true;
const bool exact = false;
SymbolContextList sc_list;
const uint32_t num_matches = frame_sc.comp_unit->ResolveSymbolContext (step_file_spec,
line,
check_inlines,
exact,
eSymbolContextLineEntry,
sc_list);
if (num_matches > 0)
{
SymbolContext sc;
for (uint32_t i=0; i<num_matches; ++i)
{
if (sc_list.GetContextAtIndex(i, sc))
{
addr_t step_addr = sc.line_entry.range.GetBaseAddress().GetLoadAddress(target);
if (step_addr != LLDB_INVALID_ADDRESS)
{
if (fun_range.ContainsLoadAddress(step_addr, target))
step_over_until_addrs.push_back(step_addr);
else
all_in_function = false;
}
}
}
}
if (step_over_until_addrs.empty())
{
if (all_in_function)
{
step_file_spec.GetPath (path, sizeof(path));
sb_error.SetErrorStringWithFormat("No line entries for %s:%u", path, line);
}
else
sb_error.SetErrorString ("step until target not in current function");
}
else
{
ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepUntil (abort_other_plans,
&step_over_until_addrs[0],
step_over_until_addrs.size(),
stop_other_threads,
frame_sp->GetFrameIndex()));
sb_error = ResumeNewPlan (exe_ctx, new_plan_sp.get());
}
}
else
{
sb_error.SetErrorString("this SBThread object is invalid");
}
return sb_error;
}
SBExecutionContext::SBExecutionContext (const lldb::SBFrame &frame) :
m_exe_ctx_sp(new ExecutionContextRef())
{
m_exe_ctx_sp->SetFrameSP(frame.GetFrameSP());
}