status_t
LoadSourceCodeJob::Do()
{
// if requested, try loading the source code for the function
Function* function = fFunctionInstance->GetFunction();
if (fLoadForFunction) {
FileSourceCode* sourceCode;
status_t error = fTeam->DebugInfo()->LoadSourceCode(
function->SourceFile(), sourceCode);
AutoLocker<Team> locker(fTeam);
if (error == B_OK) {
function->SetSourceCode(sourceCode, FUNCTION_SOURCE_LOADED);
sourceCode->ReleaseReference();
return B_OK;
}
function->SetSourceCode(NULL, FUNCTION_SOURCE_UNAVAILABLE);
}
// Only try to load the function instance code, if it's not overridden yet.
AutoLocker<Team> locker(fTeam);
if (fFunctionInstance->SourceCodeState() != FUNCTION_SOURCE_LOADING)
return B_OK;
locker.Unlock();
// disassemble the function
DisassembledCode* sourceCode = NULL;
status_t error = fTeam->DebugInfo()->DisassembleFunction(fFunctionInstance,
sourceCode);
// set the result
locker.Lock();
if (error == B_OK) {
if (fFunctionInstance->SourceCodeState() == FUNCTION_SOURCE_LOADING) {
// various parts of the debugger expect functions to have only
// one of source or disassembly available. As such, if the current
// function had source code previously active, unset it when
// explicitly asked for disassembly. This needs to be done first
// since Function will clear the disassembled code states of all
// its child instances.
if (function->SourceCodeState() == FUNCTION_SOURCE_LOADED) {
FileSourceCode* sourceCode = function->GetSourceCode();
function->SetSourceCode(sourceCode,
FUNCTION_SOURCE_NOT_LOADED);
}
fFunctionInstance->SetSourceCode(sourceCode,
FUNCTION_SOURCE_LOADED);
sourceCode->ReleaseReference();
}
} else
fFunctionInstance->SetSourceCode(NULL, FUNCTION_SOURCE_UNAVAILABLE);
return error;
}
status_t
LoadSourceCodeJob::Do()
{
// if requested, try loading the source code for the function
Function* function = fFunctionInstance->GetFunction();
if (fLoadForFunction) {
FileSourceCode* sourceCode;
status_t error = fTeam->DebugInfo()->LoadSourceCode(
function->SourceFile(), sourceCode);
AutoLocker<Team> locker(fTeam);
if (error == B_OK) {
function->SetSourceCode(sourceCode, FUNCTION_SOURCE_LOADED);
sourceCode->ReleaseReference();
return B_OK;
}
function->SetSourceCode(NULL, FUNCTION_SOURCE_UNAVAILABLE);
}
// Only try to load the function instance code, if it's not overridden yet.
AutoLocker<Team> locker(fTeam);
if (fFunctionInstance->SourceCodeState() != FUNCTION_SOURCE_LOADING)
return B_OK;
locker.Unlock();
// disassemble the function
DisassembledCode* sourceCode = NULL;
status_t error = fTeam->DebugInfo()->DisassembleFunction(fFunctionInstance,
sourceCode);
// set the result
locker.Lock();
if (error == B_OK) {
if (fFunctionInstance->SourceCodeState() == FUNCTION_SOURCE_LOADING) {
fFunctionInstance->SetSourceCode(sourceCode,
FUNCTION_SOURCE_LOADED);
sourceCode->ReleaseReference();
}
} else
fFunctionInstance->SetSourceCode(NULL, FUNCTION_SOURCE_UNAVAILABLE);
return error;
}
status_t
ArchitectureX8664::DisassembleCode(FunctionDebugInfo* function,
const void* buffer, size_t bufferSize, DisassembledCode*& _sourceCode)
{
DisassembledCode* source = new(std::nothrow) DisassembledCode(
fAssemblyLanguage);
if (source == NULL)
return B_NO_MEMORY;
BReference<DisassembledCode> sourceReference(source, true);
// init disassembler
DisassemblerX8664 disassembler;
status_t error = disassembler.Init(function->Address(), buffer, bufferSize);
if (error != B_OK)
return error;
// add a function name line
BString functionName(function->PrettyName());
if (!source->AddCommentLine((functionName << ':').String()))
return B_NO_MEMORY;
// disassemble the instructions
BString line;
target_addr_t instructionAddress;
target_size_t instructionSize;
bool breakpointAllowed;
while (disassembler.GetNextInstruction(line, instructionAddress,
instructionSize, breakpointAllowed) == B_OK) {
// TODO: Respect breakpointAllowed!
if (!source->AddInstructionLine(line, instructionAddress,
instructionSize)) {
return B_NO_MEMORY;
}
}
_sourceCode = sourceReference.Detach();
return B_OK;
}
status_t
DebugReportGenerator::_DumpFunctionDisassembly(BFile& _output,
target_addr_t instructionPointer)
{
AutoLocker< ::Team> teamLocker(fTeam);
BString data;
FunctionInstance* instance = NULL;
Statement* statement = NULL;
status_t error = fTeam->GetStatementAtAddress(instructionPointer, instance,
statement);
if (error != B_OK) {
data.SetToFormat("Unable to retrieve disassembly for IP %#" B_PRIx64
": %s\n", instructionPointer, strerror(error));
WRITE_AND_CHECK(_output, data);
return B_OK;
}
DisassembledCode* code = instance->GetSourceCode();
Function* function = instance->GetFunction();
if (code == NULL) {
switch (function->SourceCodeState()) {
case FUNCTION_SOURCE_NOT_LOADED:
case FUNCTION_SOURCE_LOADED:
// FUNCTION_SOURCE_LOADED is included since, if we entered
// here, it implies that the high level source for the
// function has been loaded, but the disassembly has not.
function->AddListener(this);
fSourceWaitingFunction = function;
fListener->FunctionSourceCodeRequested(instance, true);
// fall through
case FUNCTION_SOURCE_LOADING:
{
teamLocker.Unlock();
do {
error = acquire_sem(fTeamDataSem);
} while (error == B_INTERRUPTED);
if (error != B_OK)
return error;
teamLocker.Lock();
break;
}
default:
return B_OK;
}
if (instance->SourceCodeState() == FUNCTION_SOURCE_UNAVAILABLE)
return B_OK;
error = fTeam->GetStatementAtAddress(instructionPointer, instance,
statement);
code = instance->GetSourceCode();
}
SourceLocation location = statement->StartSourceLocation();
data = "\t\t\tDisassembly:\n";
WRITE_AND_CHECK(_output, data);
for (int32 i = 0; i <= location.Line(); i++) {
data = "\t\t\t\t";
data << code->LineAt(i);
if (i == location.Line())
data << " <--";
data << "\n";
WRITE_AND_CHECK(_output, data);
}
data = "\n";
WRITE_AND_CHECK(_output, data);
return B_OK;
}