status_t
DebugReportGenerator::_DumpDebuggedThreadInfo(BString& _output,
::Thread* thread)
{
AutoLocker< ::Team> locker;
if (thread->State() != THREAD_STATE_STOPPED)
return B_OK;
StackTrace* trace = NULL;
for (;;) {
trace = thread->GetStackTrace();
if (trace != NULL)
break;
locker.Unlock();
status_t result = acquire_sem(fTeamDataSem);
if (result != B_OK)
return result;
locker.Lock();
}
_output << "\t\tFrame\t\tIP\t\t\tFunction Name\n";
_output << "\t\t-----------------------------------------------\n";
BString data;
for (int32 i = 0; StackFrame* frame = trace->FrameAt(i); i++) {
char functionName[512];
data.SetToFormat("\t\t%#08" B_PRIx64 "\t%#08" B_PRIx64 "\t%s\n",
frame->FrameAddress(), frame->InstructionPointer(),
UiUtils::FunctionNameForFrame(frame, functionName,
sizeof(functionName)));
_output << data;
}
_output << "\n\t\tRegisters:\n";
CpuState* state = thread->GetCpuState();
BVariant value;
const Register* reg = NULL;
for (int32 i = 0; i < fArchitecture->CountRegisters(); i++) {
reg = fArchitecture->Registers() + i;
state->GetRegisterValue(reg, value);
char buffer[64];
data.SetToFormat("\t\t\t%5s:\t%s\n", reg->Name(),
UiUtils::VariantToString(value, buffer, sizeof(buffer)));
_output << data;
}
return B_OK;
}
status_t
DwarfImageDebugInfo::CreateFrame(Image* image,
FunctionInstance* functionInstance, CpuState* cpuState,
bool getFullFrameInfo, ReturnValueInfoList* returnValueInfos,
StackFrame*& _frame, CpuState*& _previousCpuState)
{
DwarfFunctionDebugInfo* function = dynamic_cast<DwarfFunctionDebugInfo*>(
functionInstance->GetFunctionDebugInfo());
FunctionID* functionID = functionInstance->GetFunctionID();
BReference<FunctionID> functionIDReference;
if (functionID != NULL)
functionIDReference.SetTo(functionID, true);
DIESubprogram* entry = function != NULL
? function->SubprogramEntry() : NULL;
TRACE_CFI("DwarfImageDebugInfo::CreateFrame(): subprogram DIE: %p, "
"function: %s\n", entry,
functionID->FunctionName().String());
int32 registerCount = fArchitecture->CountRegisters();
const Register* registers = fArchitecture->Registers();
// get the DWARF <-> architecture register maps
RegisterMap* toDwarfMap;
RegisterMap* fromDwarfMap;
status_t error = fArchitecture->GetDwarfRegisterMaps(&toDwarfMap,
&fromDwarfMap);
if (error != B_OK)
return error;
BReference<RegisterMap> toDwarfMapReference(toDwarfMap, true);
BReference<RegisterMap> fromDwarfMapReference(fromDwarfMap, true);
// create a clean CPU state for the previous frame
CpuState* previousCpuState;
error = fArchitecture->CreateCpuState(previousCpuState);
if (error != B_OK)
return error;
BReference<CpuState> previousCpuStateReference(previousCpuState, true);
// create the target interfaces
UnwindTargetInterface* inputInterface
= new(std::nothrow) UnwindTargetInterface(registers, registerCount,
fromDwarfMap, toDwarfMap, cpuState, fArchitecture,
fDebuggerInterface);
if (inputInterface == NULL)
return B_NO_MEMORY;
BReference<UnwindTargetInterface> inputInterfaceReference(inputInterface,
true);
UnwindTargetInterface* outputInterface
= new(std::nothrow) UnwindTargetInterface(registers, registerCount,
fromDwarfMap, toDwarfMap, previousCpuState, fArchitecture,
fDebuggerInterface);
if (outputInterface == NULL)
return B_NO_MEMORY;
BReference<UnwindTargetInterface> outputInterfaceReference(outputInterface,
true);
// do the unwinding
target_addr_t instructionPointer
= cpuState->InstructionPointer() - fRelocationDelta;
target_addr_t framePointer;
CompilationUnit* unit = function != NULL ? function->GetCompilationUnit()
: NULL;
error = fFile->UnwindCallFrame(unit, fArchitecture->AddressSize(), entry,
instructionPointer, inputInterface, outputInterface, framePointer);
if (error != B_OK) {
TRACE_CFI("Failed to unwind call frame: %s\n", strerror(error));
return B_UNSUPPORTED;
}
TRACE_CFI_ONLY(
TRACE_CFI("unwound registers:\n");
for (int32 i = 0; i < registerCount; i++) {
const Register* reg = registers + i;
BVariant value;
if (previousCpuState->GetRegisterValue(reg, value)) {
TRACE_CFI(" %3s: %#" B_PRIx64 "\n", reg->Name(),
value.ToUInt64());
} else
TRACE_CFI(" %3s: undefined\n", reg->Name());
}
)
status_t
DwarfImageDebugInfo::CreateFrame(Image* image,
FunctionInstance* functionInstance, CpuState* cpuState,
StackFrame*& _previousFrame, CpuState*& _previousCpuState)
{
DwarfFunctionDebugInfo* function = dynamic_cast<DwarfFunctionDebugInfo*>(
functionInstance->GetFunctionDebugInfo());
if (function == NULL)
return B_BAD_VALUE;
TRACE_CFI("DwarfImageDebugInfo::CreateFrame(): subprogram DIE: %p\n",
function->SubprogramEntry());
int32 registerCount = fArchitecture->CountRegisters();
const Register* registers = fArchitecture->Registers();
// get the DWARF <-> architecture register maps
RegisterMap* toDwarfMap;
RegisterMap* fromDwarfMap;
status_t error = fArchitecture->GetDwarfRegisterMaps(&toDwarfMap,
&fromDwarfMap);
if (error != B_OK)
return error;
Reference<RegisterMap> toDwarfMapReference(toDwarfMap, true);
Reference<RegisterMap> fromDwarfMapReference(fromDwarfMap, true);
// create a clean CPU state for the previous frame
CpuState* previousCpuState;
error = fArchitecture->CreateCpuState(previousCpuState);
if (error != B_OK)
return error;
Reference<CpuState> previousCpuStateReference(previousCpuState, true);
// create the target interfaces
UnwindTargetInterface* inputInterface
= new(std::nothrow) UnwindTargetInterface(registers, registerCount,
fromDwarfMap, toDwarfMap, cpuState, fArchitecture, fTeamMemory);
if (inputInterface == NULL)
return B_NO_MEMORY;
Reference<UnwindTargetInterface> inputInterfaceReference(inputInterface,
true);
UnwindTargetInterface* outputInterface
= new(std::nothrow) UnwindTargetInterface(registers, registerCount,
fromDwarfMap, toDwarfMap, previousCpuState, fArchitecture,
fTeamMemory);
if (outputInterface == NULL)
return B_NO_MEMORY;
Reference<UnwindTargetInterface> outputInterfaceReference(outputInterface,
true);
// do the unwinding
target_addr_t instructionPointer
= cpuState->InstructionPointer() - fRelocationDelta;
target_addr_t framePointer;
CompilationUnit* unit = function->GetCompilationUnit();
error = fFile->UnwindCallFrame(unit, function->SubprogramEntry(),
instructionPointer, inputInterface, outputInterface, framePointer);
if (error != B_OK) {
TRACE_CFI("Failed to unwind call frame: %s\n", strerror(error));
return B_UNSUPPORTED;
}
TRACE_CFI_ONLY(
TRACE_CFI("unwound registers:\n");
for (int32 i = 0; i < registerCount; i++) {
const Register* reg = registers + i;
BVariant value;
if (previousCpuState->GetRegisterValue(reg, value))
TRACE_CFI(" %3s: %#lx\n", reg->Name(), value.ToUInt32());
else
TRACE_CFI(" %3s: undefined\n", reg->Name());
}
)
status_t
DebugReportGenerator::_DumpDebuggedThreadInfo(BFile& _output,
::Thread* thread)
{
AutoLocker< ::Team> locker;
if (thread->State() != THREAD_STATE_STOPPED)
return B_OK;
status_t error;
StackTrace* trace = NULL;
for (;;) {
trace = thread->GetStackTrace();
if (trace != NULL)
break;
locker.Unlock();
fTraceWaitingThread = thread;
do {
error = acquire_sem(fTeamDataSem);
} while (error == B_INTERRUPTED);
if (error != B_OK)
break;
locker.Lock();
}
BString data("\t\tFrame\t\tIP\t\t\tFunction Name\n");
WRITE_AND_CHECK(_output, data);
data = "\t\t-----------------------------------------------\n";
WRITE_AND_CHECK(_output, data);
for (int32 i = 0; StackFrame* frame = trace->FrameAt(i); i++) {
char functionName[512];
BString sourcePath;
target_addr_t ip = frame->InstructionPointer();
FunctionInstance* functionInstance;
Statement* statement;
if (fTeam->GetStatementAtAddress(ip,
functionInstance, statement) == B_OK) {
BReference<Statement> statementReference(statement, true);
int32 line = statement->StartSourceLocation().Line();
LocatableFile* sourceFile = functionInstance->GetFunction()
->SourceFile();
if (sourceFile != NULL) {
sourceFile->GetPath(sourcePath);
sourcePath.SetToFormat("(%s:%" B_PRId32 ")",
sourcePath.String(), line);
}
}
data.SetToFormat("\t\t%#08" B_PRIx64 "\t%#08" B_PRIx64 "\t%s %s\n",
frame->FrameAddress(), ip, UiUtils::FunctionNameForFrame(
frame, functionName, sizeof(functionName)),
sourcePath.String());
WRITE_AND_CHECK(_output, data);
// only dump the topmost frame
if (i == 0) {
locker.Unlock();
error = _DumpFunctionDisassembly(_output, frame->InstructionPointer());
if (error != B_OK)
return error;
error = _DumpStackFrameMemory(_output, thread->GetCpuState(),
frame->FrameAddress(), thread->GetTeam()->GetArchitecture()
->StackGrowthDirection());
if (error != B_OK)
return error;
locker.Lock();
}
if (frame->CountParameters() == 0 && frame->CountLocalVariables() == 0)
continue;
data = "\t\t\tVariables:\n";
WRITE_AND_CHECK(_output, data);
error = fNodeManager->SetStackFrame(thread, frame);
if (error != B_OK)
continue;
ValueNodeContainer* container = fNodeManager->GetContainer();
AutoLocker<ValueNodeContainer> containerLocker(container);
for (int32 i = 0; i < container->CountChildren(); i++) {
data.Truncate(0L);
ValueNodeChild* child = container->ChildAt(i);
containerLocker.Unlock();
_ResolveValueIfNeeded(child->Node(), frame, 1);
containerLocker.Lock();
UiUtils::PrintValueNodeGraph(data, child, 3, 1);
WRITE_AND_CHECK(_output, data);
}
data = "\n";
WRITE_AND_CHECK(_output, data);
}
data = "\n\t\tRegisters:\n";
WRITE_AND_CHECK(_output, data);
CpuState* state = thread->GetCpuState();
BVariant value;
const Register* reg = NULL;
for (int32 i = 0; i < fArchitecture->CountRegisters(); i++) {
reg = fArchitecture->Registers() + i;
state->GetRegisterValue(reg, value);
if (reg->Format() == REGISTER_FORMAT_SIMD) {
data.SetToFormat("\t\t\t%5s:\t%s\n", reg->Name(),
UiUtils::FormatSIMDValue(value, reg->BitSize(),
SIMD_RENDER_FORMAT_INT16, data).String());
} else {
char buffer[64];
data.SetToFormat("\t\t\t%5s:\t%s\n", reg->Name(),
UiUtils::VariantToString(value, buffer, sizeof(buffer)));
}
WRITE_AND_CHECK(_output, data);
}
return B_OK;
}