status_t
Team::GetStatementAtAddress(target_addr_t address, FunctionInstance*& _function,
Statement*& _statement)
{
TRACE_CODE("Team::GetStatementAtAddress(%#" B_PRIx64 ")\n", address);
// get the image at the address
Image* image = ImageByAddress(address);
if (image == NULL) {
TRACE_CODE(" -> no image\n");
return B_ENTRY_NOT_FOUND;
}
ImageDebugInfo* imageDebugInfo = image->GetImageDebugInfo();
if (imageDebugInfo == NULL) {
TRACE_CODE(" -> no image debug info\n");
return B_ENTRY_NOT_FOUND;
}
// get the function
FunctionInstance* functionInstance
= imageDebugInfo->FunctionAtAddress(address);
if (functionInstance == NULL) {
TRACE_CODE(" -> no function instance\n");
return B_ENTRY_NOT_FOUND;
}
// If the function instance has disassembled code attached, we can get the
// statement directly.
if (DisassembledCode* code = functionInstance->GetSourceCode()) {
Statement* statement = code->StatementAtAddress(address);
if (statement == NULL)
return B_ENTRY_NOT_FOUND;
statement->AcquireReference();
_statement = statement;
_function = functionInstance;
return B_OK;
}
// get the statement from the image debug info
FunctionDebugInfo* functionDebugInfo
= functionInstance->GetFunctionDebugInfo();
status_t error = functionDebugInfo->GetSpecificImageDebugInfo()
->GetStatement(functionDebugInfo, address, _statement);
if (error != B_OK) {
TRACE_CODE(" -> no statement from the specific image debug info\n");
return error;
}
_function = functionInstance;
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;
}
