BOOL PlayerSystem::OnStubDisconnected( IEvent* pEvent )
{
ConnectedEvent* pConnectedEvent = (ConnectedEvent*)pEvent;
Stub* pStub = pConnectedEvent->GetStub();
if( pStub->StubType() != STUB_TYPE_PLAYER )
{
return TRUE;
}
PlayerID_t nPlayerID = pStub->StubID( );
Player* pPlayer = m_pPlayerManager->GetPlayer( nPlayerID );
if( !pPlayer )
{
g_Log.SaveLog( LOG_LV_WARNING, "PlayerSystem::OnDisconnected Error! can not find the player<%d>",
nPlayerID );
return TRUE;
}
// 离开场景
if( !SceneSystem::m_pSceneSystem->GetScene()->LeaveScene(pPlayer) )
{
g_Log.SaveLog( LOG_LV_ERROR, "player<%d> leave scene error!", pPlayer->PlayerID() );
}
pPlayer->UnAttachStub( );
m_pPlayerManager->RemovePlayer( nPlayerID );
return TRUE;
}
bool MipsGNULDBackend::relaxRelocation(IRBuilder& pBuilder, Relocation& pRel) {
uint64_t sym_value = 0x0;
LDSymbol* symbol = pRel.symInfo()->outSymbol();
if (symbol->hasFragRef()) {
uint64_t value = symbol->fragRef()->getOutputOffset();
uint64_t addr = symbol->fragRef()->frag()->getParent()->getSection().addr();
sym_value = addr + value;
}
Stub* stub = getStubFactory()->create(
pRel, sym_value, pBuilder, *getBRIslandFactory());
if (stub == NULL)
return false;
assert(stub->symInfo() != NULL);
// increase the size of .symtab and .strtab
LDSection& symtab = getOutputFormat()->getSymTab();
LDSection& strtab = getOutputFormat()->getStrTab();
symtab.setSize(symtab.size() + sizeof(llvm::ELF::Elf32_Sym));
strtab.setSize(strtab.size() + stub->symInfo()->nameSize() + 1);
return true;
}
void
js::ForOfPIC::Chain::eraseChain()
{
// Should never need to clear the chain of a disabled stub.
MOZ_ASSERT(!disabled_);
// Free all stubs.
Stub *stub = stubs_;
while (stub) {
Stub *next = stub->next();
js_delete(stub);
stub = next;
}
stubs_ = nullptr;
}
js::ForOfPIC::Stub *
js::ForOfPIC::Chain::getMatchingStub(JSObject *obj)
{
// Ensure PIC is initialized and not disabled.
if (!initialized_ || disabled_)
return nullptr;
// Check if there is a matching stub.
for (Stub *stub = stubs(); stub != nullptr; stub = stub->next()) {
if (stub->shape() == obj->lastProperty())
return stub;
}
return nullptr;
}
void AArch64GNULDBackend::scanErrata(Module& pModule,
IRBuilder& pBuilder,
size_t& num_new_stubs,
size_t& stubs_strlen) {
// TODO: Implement AArch64 ErrataStubFactory to create the specific erratum
// stub and simplify the logics.
for (Module::iterator sect = pModule.begin(), sectEnd = pModule.end();
sect != sectEnd; ++sect) {
if (((*sect)->kind() == LDFileFormat::TEXT) && (*sect)->hasSectionData()) {
SectionData* sd = (*sect)->getSectionData();
for (SectionData::iterator it = sd->begin(), ie = sd->end(); it != ie;
++it) {
Fragment* frag = llvm::dyn_cast<RegionFragment>(it);
if (frag != NULL) {
FragmentRef* frag_ref = FragmentRef::Create(*frag, 0);
for (unsigned offset = 0; offset < frag->size();
offset += AArch64InsnHelpers::InsnSize) {
Stub* stub = getStubFactory()->create(*frag_ref,
pBuilder,
*getBRIslandFactory());
if (stub != NULL) {
// A stub symbol should be local
assert(stub->symInfo() != NULL && stub->symInfo()->isLocal());
const AArch64CA53ErratumStub* erratum_stub =
reinterpret_cast<const AArch64CA53ErratumStub*>(stub);
assert(erratum_stub != NULL);
// Rewrite the erratum instruction as a branch to the stub.
uint64_t offset = frag_ref->offset() +
erratum_stub->getErratumInsnOffset();
Relocation* reloc =
Relocation::Create(llvm::ELF::R_AARCH64_JUMP26,
*(FragmentRef::Create(*frag, offset)),
/* pAddend */0);
reloc->setSymInfo(stub->symInfo());
reloc->target() = AArch64InsnHelpers::buildBranchInsn();
addExtraRelocation(reloc);
++num_new_stubs;
stubs_strlen += stub->symInfo()->nameSize() + 1;
}
frag_ref->assign(*frag, offset + AArch64InsnHelpers::InsnSize);
} // for each INSN
}
} // for each FRAGMENT
}
} // for each TEXT section
}
/// addStub - add a stub into the island
bool BranchIsland::addStub(const Stub* pPrototype,
const Relocation& pReloc,
Stub& pStub)
{
bool exist = false;
Key key(pPrototype, pReloc.symInfo()->outSymbol(), pReloc.addend());
StubEntryType* entry = m_StubMap.insert(key, exist);
if (!exist) {
entry->setValue(&pStub);
m_pRear = &pStub;
SectionData* sd = m_Entry.getParent();
// insert alignment fragment
// TODO: check if we can reduce this alignment fragment for some cases
AlignFragment* align_frag = new AlignFragment(pStub.alignment(),
0x0,
1u,
pStub.alignment() - 1);
align_frag->setParent(sd);
sd->getFragmentList().insert(end(), align_frag);
align_frag->setOffset(align_frag->getPrevNode()->getOffset() +
align_frag->getPrevNode()->size());
// insert stub fragment
pStub.setParent(sd);
sd->getFragmentList().insert(end(), &pStub);
pStub.setOffset(pStub.getPrevNode()->getOffset() +
pStub.getPrevNode()->size());
}
return !exist;
}
/// create - create a stub if needed, otherwise return NULL
Stub* StubFactory::create(Relocation& pReloc,
uint64_t pTargetSymValue,
IRBuilder& pBuilder,
BranchIslandFactory& pBRIslandFactory)
{
// find if there is a prototype stub for the input relocation
Stub* prototype = findPrototype(pReloc,
pReloc.place(),
pTargetSymValue);
if (NULL != prototype) {
// find the island for the input relocation
BranchIsland* island = pBRIslandFactory.find(*(pReloc.targetRef().frag()));
if (NULL == island) {
island = pBRIslandFactory.produce(*(pReloc.targetRef().frag()));
}
// find if there is such a stub in the island already
assert(NULL != island);
Stub* stub = island->findStub(prototype, pReloc);
if (NULL != stub) {
// reset the branch target to the stub instead!
pReloc.setSymInfo(stub->symInfo());
}
else {
// create a stub from the prototype
stub = prototype->clone();
// build a name for stub symbol
std::string name("__");
name.append(pReloc.symInfo()->name());
name.append("_");
name.append(stub->name());
name.append("@");
name.append(island->name());
// create LDSymbol for the stub
LDSymbol* symbol =
pBuilder.AddSymbol<IRBuilder::Force, IRBuilder::Resolve>(
name,
ResolveInfo::Function,
ResolveInfo::Define,
ResolveInfo::Local,
stub->size(), // size
stub->initSymValue(), // value
FragmentRef::Create(*stub, stub->initSymValue()),
ResolveInfo::Default);
stub->setSymInfo(symbol->resolveInfo());
// add relocations of this stub (i.e., set the branch target of the stub)
for (Stub::fixup_iterator it = stub->fixup_begin(),
ie = stub->fixup_end(); it != ie; ++it) {
Relocation* reloc = Relocation::Create((*it)->type(),
*(FragmentRef::Create(*stub, (*it)->offset())),
(*it)->addend());
reloc->setSymInfo(pReloc.symInfo());
island->addRelocation(*reloc);
}
// add stub to the branch island
island->addStub(prototype, pReloc, *stub);
// reset the branch target of the input reloc to this stub instead!
pReloc.setSymInfo(stub->symInfo());
return stub;
}
}
return NULL;
}
/*!
* Function: slot_get_graph
* Description: When "Get Graph" is clicked, this function is responsible for generating the graph based on the data passed,
* a full description of each part is given below
* @param bool check when it is check
*/
void MainWindow::slot_get_graph(bool)
{
Stub *stub = new Stub(); //! stub contains data for testing purpose.
//! This is the variable for bar width; the value will be calculated and scaled accordingly, depending on how
//! many checkboxes were selected
double barWidth = 0;
double i = 0; //! loop index; counts how many checkboxes where checked
int barsAdded = 0;
//! Creating the legend box
ui -> customPlot -> legend -> clearItems();
ui -> customPlot -> axisRect()->insetLayout()->setInsetAlignment(0,Qt::AlignTop|Qt::AlignRight);
ui -> customPlot -> legend -> setVisible(true);
ui->customPlot->clearPlottables(); //! clear the graph
//! Set graph interval
ui->customPlot->xAxis->setAutoTickStep(0);
ui->customPlot->xAxis->setTicks(1);
ui->customPlot->xAxis->setTickStep(1.0);
ui->customPlot->xAxis->setSubTickCount(0);
chartcolour *colourSelect = new chartcolour();
ui->customPlot->legend->clearItems(); //!Clears the existing data from the legend
ui->customPlot->axisRect()->setAutoMargins(QCP::msLeft | QCP::msTop | QCP::msBottom);
ui->customPlot->axisRect()->setMargins(QMargins(0,0,150,0));
ui->customPlot->axisRect()->insetLayout()->setInsetPlacement(0, QCPLayoutInset::ipFree);
ui->customPlot->axisRect()->insetLayout()->setInsetRect(0, QRectF(1.1,0,0.1,0.1));
//! Scaling the bar width based on the number of cities checked
if (ui->barrie->isChecked()) {
++i;
}
if (ui->calgary->isChecked()) {
++i;
}
if (ui->hamilton->isChecked()) {
++i;
}
if (ui->london->isChecked()) {
++i;
}
if (ui->ottawa->isChecked()) {
++i;
}
if (ui->sudbury->isChecked()) {
++i;
}
if (ui->thunderBay->isChecked()) {
++i;
}
if (ui->toronto->isChecked()) {
++i;
}
if (ui->windsor->isChecked()) {
++i;
}
if (ui->winnipeg->isChecked()) {
++i;
}
//! Calculating the new bar width
double totalWidth = 0.8;
barWidth = totalWidth / i;
double setBack = totalWidth/2;
double offset = 0;
//! Plot data and create a bar graph for Barrie if this city is selected
if(ui->barrie->isChecked()) { //! if barrie is checked
QCPBars *myBars = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars->setWidth(barWidth);
myBars->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars->setName("Barrie");
ui->customPlot->addPlottable(myBars);
//! Barrie data
QVector<double> barrieDatatemp = stub->getData("Barrie");
QVector<double> barrieData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
barrieData << barrieDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
barrieData << barrieDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
barrieData << barrieDatatemp.at(2);
}
//!valueYears << 2009-setBack+offset << 2010-setBack+offset<< 2011-setBack+offset;
++barsAdded;
myBars->setData(valueYears, barrieData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Calgary if this city is selected
if (ui->calgary->isChecked()) {
//! This is for Calgary
QCPBars *myBars2 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars2->setWidth(barWidth);
myBars2->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
ui->customPlot->addPlottable(myBars2);
//! now we can modify properties of myBars
myBars2->setName("Calgary");
//! Calgary Data
QVector<double> calgaryDatatemp = stub->getData("Calgary");
QVector<double> calgaryData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
calgaryData << calgaryDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
calgaryData << calgaryDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
calgaryData << calgaryDatatemp.at(2);
}
//! valueYears2 << 2009-setBack+offset << 2010-setBack+offset<< 2011-setBack+offset;
//!2008.60+barWidth*barsAdded << 2009.60+barWidth*barsAdded << 2010.60+barWidth*barsAdded;
++barsAdded;
myBars2->setData(valueYears, calgaryData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//!Plot data and create a bar graph for London if this city is selected
if (ui->london->isChecked()) {
QCPBars *myBars3 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars3->setWidth(barWidth);
myBars3->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars3->setName("London");
ui->customPlot->addPlottable(myBars3);
//! London data
QVector<double> londonDatatemp = stub->getData("London");
QVector<double> londonData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
londonData << londonDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
londonData << londonDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
londonData << londonDatatemp.at(2);
}
//! valueYears << 2009-setBack+offset << 2010-setBack+offset<< 2011-setBack+offset;
++barsAdded;
myBars3->setData(valueYears, londonData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//!Plot data and create a bar graph for Hamilton if this city is selected
if (ui->hamilton->isChecked()) {
QCPBars *myBars4 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars4->setWidth(barWidth);
myBars4->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars4->setName("Hamilton");
ui->customPlot->addPlottable(myBars4);
//! Hamilton data
QVector<double> hamiltonDatatemp = stub->getData("Hamilton");
QVector<double> hamiltonData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
hamiltonData << hamiltonDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
hamiltonData << hamiltonDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
hamiltonData << hamiltonDatatemp.at(2);
}
++barsAdded;
myBars4->setData(valueYears, hamiltonData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Ottawa if this city is selected
if (ui->ottawa->isChecked()) {
QCPBars *myBars5 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars5->setWidth(barWidth);
myBars5->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars5->setName("Ottawa");
ui->customPlot->addPlottable(myBars5);
//! Ottawa data
QVector<double> ottawaDatatemp = stub->getData("Ottawa");
QVector<double> ottawaData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
ottawaData << ottawaDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
ottawaData << ottawaDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
ottawaData << ottawaDatatemp.at(2);
}
++barsAdded;
myBars5->setData(valueYears, ottawaData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Sudbury (Greater) if this city is selected
if (ui->sudbury->isChecked()) {
QCPBars *myBars6 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars6->setWidth(barWidth);
myBars6->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars6->setName("Sudbury");
ui->customPlot->addPlottable(myBars6);
//! Sudbury data
QVector<double> sudburyDatatemp = stub->getData("Sudbury (Greater)");
QVector<double> sudburyData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
sudburyData << sudburyDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
sudburyData << sudburyDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
sudburyData << sudburyDatatemp.at(2);
}
++barsAdded;
myBars6->setData(valueYears, sudburyData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Thunder Bay if this city is selected
if (ui->thunderBay->isChecked()) {
QCPBars *myBars7 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars7->setWidth(barWidth);
myBars7->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars7->setName("Thunder Bay");
ui->customPlot->addPlottable(myBars7);
//! Thunder Bay data
QVector<double> thunderDatatemp = stub->getData("Thunder Bay");
QVector<double> thunderData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
thunderData << thunderDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
thunderData << thunderDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
thunderData << thunderDatatemp.at(2);
}
++barsAdded;
myBars7->setData(valueYears, thunderData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Toronto if this city is selected
if (ui->toronto->isChecked()) {
QCPBars *myBars8 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars8->setWidth(barWidth);
myBars8->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars8->setName("Toronto");
ui->customPlot->addPlottable(myBars8);
//! Sudbury data
QVector<double> torontoDatatest = stub->getData("Toronto");
QVector<double> torontoData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
torontoData << torontoDatatest.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
torontoData << torontoDatatest.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
torontoData << torontoDatatest.at(2);
}
++barsAdded;
myBars8->setData(valueYears, torontoData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Winnipeg if this city is selected
if (ui->winnipeg->isChecked()) {
QCPBars *myBars9 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars9->setWidth(barWidth);
myBars9->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars9->setName("Winnipeg");
ui->customPlot->addPlottable(myBars9);
//! Sudbury data
QVector<double> winnipegDatatemp = stub->getData("Winnipeg");
QVector<double> winnipegData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
winnipegData << winnipegDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
winnipegData << winnipegDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
winnipegData << winnipegDatatemp.at(2);
}
++barsAdded;
myBars9->setData(valueYears, winnipegData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
//! Plot data and create a bar graph for Windsor if this city is selected
if (ui->windsor->isChecked()) {
QCPBars *myBars10 = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
myBars10->setWidth(barWidth);
myBars10->setBrush(QBrush(QColor(colourSelect->getColour(barsAdded))));
myBars10->setName("Windor");
ui->customPlot->addPlottable(myBars10);
//! Sudbury data
QVector<double> windsorDatatemp = stub->getData("Windsor");
QVector<double> windsorData;
QVector<double> valueYears;
offset = (barWidth*barsAdded)+(barWidth/2);
/*!
Checks which years are checked. Plots the years selected, and scales the graph accordingly.
*/
if(ui->twoThousandNine->isChecked())
{
valueYears << 2009-setBack+offset;
windsorData << windsorDatatemp.at(0);
}
if(ui->twoThousandTen->isChecked())
{
valueYears << 2010-setBack+offset;
windsorData << windsorDatatemp.at(1);
}
if(ui->twoThousandEleven->isChecked())
{
valueYears << 2011-setBack+offset;
windsorData << windsorDatatemp.at(2);
}
++barsAdded;
myBars10->setData(valueYears, windsorData);
ui->customPlot->rescaleAxes();
ui->customPlot->replot();
}
}
//---------------------------------------------------------
// Returns the equivalent hashed Stub, creating a new hash
// entry if necessary. If the latter, will call out to CompileMLStub.
//
// Refcounting:
// The caller is responsible for DecRef'ing the returned stub in
// order to avoid leaks.
//
//
// On successful exit, *pMode is set to describe
// the compiled nature of the MLStub.
//
// callerContext can be used by the caller to push some context through
// to the compilation routine.
//
// Returns NULL for out of memory or other fatal error.
//---------------------------------------------------------
Stub *MLStubCache::Canonicalize(const BYTE * pRawMLStub, MLStubCompilationMode *pMode,
void *callerContext)
{
m_crst.Enter();
MLCHASHENTRY *phe = (MLCHASHENTRY*)Find((LPVOID)pRawMLStub);
if (phe) {
Stub *pstub = phe->m_pMLStub;
pstub->IncRef();
*pMode = (MLStubCompilationMode) (phe->m_compilationMode);
m_crst.Leave();
return pstub;
}
m_crst.Leave();
{
CPUSTUBLINKER sl;
CPUSTUBLINKER slempty;
CPUSTUBLINKER *psl = &sl;
MLStubCompilationMode mode;
mode = CompileMLStub(pRawMLStub, psl, callerContext);
if (mode == INTERPRETED) {
// CompileMLStub returns INTERPRETED for error cases:
// in this case, redirect to the empty stublinker so
// we don't accidentally pick up any crud that
// CompileMLStub threw into the stublinker before
// it ran into the error condition.
psl = &slempty;
}
*pMode = mode;
UINT32 offset;
Stub *pstub;
if (NULL == (pstub = FinishLinking(psl, pRawMLStub, &offset))) {
return NULL;
}
if (offset > 0xffff) {
return NULL;
}
m_crst.Enter();
bool bNew;
phe = (MLCHASHENTRY*)FindOrAdd((LPVOID)pRawMLStub, /*modifies*/bNew);
if (phe) {
if (bNew) {
// Note: FinishLinking already does the IncRef.
phe->m_pMLStub = pstub;
phe->m_offsetOfRawMLStub = (UINT16)offset;
phe->m_compilationMode = mode;
} else {
// If we got here, some other thread got in
// and enregistered an identical stub during
// the window in which we were out of the m_crst.
//Under DEBUG, two identical ML streams can actually compile
// to different compiled stubs due to the checked build's
// toggling between inlined TLSGetValue and api TLSGetValue.
//_ASSERTE(phe->m_offsetOfRawMLStub == (UINT16)offset);
_ASSERTE(phe->m_compilationMode == mode);
pstub->DecRef(); // Destroy the stub we just created
pstub = phe->m_pMLStub; //Use the previously created stub
}
// IncRef so that caller has firm ownership of stub.
pstub->IncRef();
}
m_crst.Leave();
if (phe) {
return pstub;
} else {
// Couldn't grow hash table due to lack of memory.
// Destroy the stub and return NULL.
pstub->DecRef();
}
}
return NULL;
}
bool AArch64GNULDBackend::doRelax(Module& pModule,
IRBuilder& pBuilder,
bool& pFinished) {
assert(getStubFactory() != NULL && getBRIslandFactory() != NULL);
// Number of new stubs added
size_t num_new_stubs = 0;
// String lengh to hold new stub symbols
size_t stubs_strlen = 0;
if (config().targets().fixCA53Erratum835769() ||
config().targets().fixCA53Erratum843419()) {
scanErrata(pModule, pBuilder, num_new_stubs, stubs_strlen);
}
ELFFileFormat* file_format = getOutputFormat();
// check branch relocs and create the related stubs if needed
Module::obj_iterator input, inEnd = pModule.obj_end();
for (input = pModule.obj_begin(); input != inEnd; ++input) {
LDContext::sect_iterator rs, rsEnd = (*input)->context()->relocSectEnd();
for (rs = (*input)->context()->relocSectBegin(); rs != rsEnd; ++rs) {
if (LDFileFormat::Ignore == (*rs)->kind() || !(*rs)->hasRelocData())
continue;
RelocData::iterator reloc, rEnd = (*rs)->getRelocData()->end();
for (reloc = (*rs)->getRelocData()->begin(); reloc != rEnd; ++reloc) {
Relocation* relocation = llvm::cast<Relocation>(reloc);
switch (relocation->type()) {
case llvm::ELF::R_AARCH64_CALL26:
case llvm::ELF::R_AARCH64_JUMP26: {
// calculate the possible symbol value
uint64_t sym_value = 0x0;
LDSymbol* symbol = relocation->symInfo()->outSymbol();
if (symbol->hasFragRef()) {
uint64_t value = symbol->fragRef()->getOutputOffset();
uint64_t addr =
symbol->fragRef()->frag()->getParent()->getSection().addr();
sym_value = addr + value;
}
if ((relocation->symInfo()->reserved() &
AArch64Relocator::ReservePLT) != 0x0) {
// FIXME: we need to find out the address of the specific plt
// entry
assert(file_format->hasPLT());
sym_value = file_format->getPLT().addr();
}
Stub* stub = getStubFactory()->create(*relocation, // relocation
sym_value, // symbol value
pBuilder,
*getBRIslandFactory());
if (stub != NULL) {
// a stub symbol should be local
assert(stub->symInfo() != NULL && stub->symInfo()->isLocal());
// reset the branch target of the reloc to this stub instead
relocation->setSymInfo(stub->symInfo());
++num_new_stubs;
stubs_strlen += stub->symInfo()->nameSize() + 1;
}
break;
}
default: {
break;
}
} // end of switch
} // for all relocations
} // for all relocation section
} // for all inputs
// Find the first fragment w/ invalid offset due to stub insertion.
std::vector<Fragment*> invalid_frags;
pFinished = true;
for (BranchIslandFactory::iterator island = getBRIslandFactory()->begin(),
island_end = getBRIslandFactory()->end();
island != island_end;
++island) {
if ((*island).size() > stubGroupSize()) {
error(diag::err_no_space_to_place_stubs) << stubGroupSize();
return false;
}
if ((*island).numOfStubs() == 0) {
continue;
}
Fragment* exit = &*(*island).end();
if (exit == (*island).begin()->getParent()->end()) {
continue;
}
if (((*island).offset() + (*island).size()) > exit->getOffset()) {
if (invalid_frags.empty() ||
(invalid_frags.back()->getParent() != (*island).getParent())) {
invalid_frags.push_back(exit);
pFinished = false;
}
continue;
}
}
// Reset the offset of invalid fragments.
for (auto it = invalid_frags.begin(), ie = invalid_frags.end(); it != ie;
++it) {
Fragment* invalid = *it;
while (invalid != NULL) {
invalid->setOffset(invalid->getPrevNode()->getOffset() +
invalid->getPrevNode()->size());
invalid = invalid->getNextNode();
}
}
// Fix up the size of .symtab, .strtab, and TEXT sections
if (num_new_stubs == 0) {
return false;
} else {
switch (config().options().getStripSymbolMode()) {
case GeneralOptions::StripSymbolMode::StripAllSymbols:
case GeneralOptions::StripSymbolMode::StripLocals:
break;
default: {
LDSection& symtab = file_format->getSymTab();
LDSection& strtab = file_format->getStrTab();
symtab.setSize(symtab.size() +
sizeof(llvm::ELF::Elf64_Sym) * num_new_stubs);
symtab.setInfo(symtab.getInfo() + num_new_stubs);
strtab.setSize(strtab.size() + stubs_strlen);
}
} // switch (config().options().getStripSymbolMode())
SectionData* prev = NULL;
for (BranchIslandFactory::iterator island = getBRIslandFactory()->begin(),
island_end = getBRIslandFactory()->end();
island != island_end;
++island) {
SectionData* sd = (*island).begin()->getParent();
if ((*island).numOfStubs() != 0) {
if (sd != prev) {
sd->getSection().setSize(sd->back().getOffset() + sd->back().size());
}
}
prev = sd;
}
return true;
} // if (num_new_stubs == 0)
}
void processEvent (int ev) {
Log l("client ");
// client
l.info("getting remote Echo...\n");
Stub<Echo> e;
e.remote = reg->getRemote("test.Echo");
l.info("using Echo(remote:%08x)...\n", e.remote.get());
{
string ret;
if (e.echo(ret, "hi")) {
l.error("echo failed.\n");
}
printf("%s\n", ret.c_str());
}
{
vector<string> args;
args.push_back("a");
args.push_back("b");
args.push_back("c");
string ret;
if (e.concat(ret, args)) {
l.error("concat failed.\n");
}
printf("%s\n", ret.c_str());
}
{
Ref<TestException> ex1;
printf("Invoking touchmenot()\n");
switch (e.touchmenot(ex1)) {
default:
l.error("Unexpected return\n");
break;
case 0:
printf("Silently returned.\n");
break;
case 1:
printf("Got exception :%d\n", *ex1->i);
break;
}
}
Ref<EchoCallback> cb = new EchoCallbackImpl();
if (e.recursiveEcho("rrrrrrrrrrrrrrrrrrrrrrrrrrr", cb)) {
l.error("recursiveEcho failed\n");
}
Person p;
p.name = "Sooin";
p.callback = cb;
if (e.hello(p)) {
l.error("hello failed.\n");
}
if (e.asyncEcho("hi again", cb)) {
l.error("asyncEcho failed.\n");
}
printf("starting doubleit test.\n");
{
int32_t ret;
if (e.doubleit(ret, 3) == 0) {
printf("doubleit(3) returns %d\n", ret);
} else {
l.error("doubleit failed.\n");
}
}
}
bool HexagonLDBackend::doRelax(Module& pModule, IRBuilder& pBuilder,
bool& pFinished)
{
assert(NULL != getStubFactory() && NULL != getBRIslandFactory());
bool isRelaxed = false;
ELFFileFormat* file_format = getOutputFormat();
// check branch relocs and create the related stubs if needed
Module::obj_iterator input, inEnd = pModule.obj_end();
for (input = pModule.obj_begin(); input != inEnd; ++input) {
LDContext::sect_iterator rs, rsEnd = (*input)->context()->relocSectEnd();
for (rs = (*input)->context()->relocSectBegin(); rs != rsEnd; ++rs) {
if (LDFileFormat::Ignore == (*rs)->kind() || !(*rs)->hasRelocData())
continue;
RelocData::iterator reloc, rEnd = (*rs)->getRelocData()->end();
for (reloc = (*rs)->getRelocData()->begin(); reloc != rEnd; ++reloc) {
switch (reloc->type()) {
case llvm::ELF::R_HEX_B22_PCREL:
case llvm::ELF::R_HEX_B15_PCREL:
case llvm::ELF::R_HEX_B7_PCREL:
case llvm::ELF::R_HEX_B13_PCREL:
case llvm::ELF::R_HEX_B9_PCREL: {
Relocation* relocation = llvm::cast<Relocation>(reloc);
uint64_t sym_value = 0x0;
LDSymbol* symbol = relocation->symInfo()->outSymbol();
if (symbol->hasFragRef()) {
uint64_t value = symbol->fragRef()->getOutputOffset();
uint64_t addr =
symbol->fragRef()->frag()->getParent()->getSection().addr();
sym_value = addr + value;
}
Stub* stub = getStubFactory()->create(*relocation, // relocation
sym_value, //symbol value
pBuilder,
*getBRIslandFactory());
if (NULL != stub) {
assert(NULL != stub->symInfo());
// increase the size of .symtab and .strtab
LDSection& symtab = file_format->getSymTab();
LDSection& strtab = file_format->getStrTab();
symtab.setSize(symtab.size() + sizeof(llvm::ELF::Elf32_Sym));
strtab.setSize(strtab.size() + stub->symInfo()->nameSize() + 1);
isRelaxed = true;
}
}
break;
default:
break;
}
}
}
}
// find the first fragment w/ invalid offset due to stub insertion
Fragment* invalid = NULL;
pFinished = true;
for (BranchIslandFactory::iterator island = getBRIslandFactory()->begin(),
island_end = getBRIslandFactory()->end(); island != island_end; ++island)
{
if ((*island).end() == file_format->getText().getSectionData()->end())
break;
Fragment* exit = (*island).end();
if (((*island).offset() + (*island).size()) > exit->getOffset()) {
invalid = exit;
pFinished = false;
break;
}
}
// reset the offset of invalid fragments
while (NULL != invalid) {
invalid->setOffset(invalid->getPrevNode()->getOffset() +
invalid->getPrevNode()->size());
invalid = invalid->getNextNode();
}
// reset the size of .text
if (isRelaxed) {
file_format->getText().setSize(
file_format->getText().getSectionData()->back().getOffset() +
file_format->getText().getSectionData()->back().size());
}
return isRelaxed;
}
/// create - create a stub if needed, otherwise return NULL
Stub* StubFactory::create(Relocation& pReloc,
uint64_t pTargetSymValue,
IRBuilder& pBuilder,
BranchIslandFactory& pBRIslandFactory) {
// find if there is a prototype stub for the input relocation
Stub* stub = NULL;
Stub* prototype = findPrototype(pReloc, pReloc.place(), pTargetSymValue);
if (prototype != NULL) {
const Fragment* frag = pReloc.targetRef().frag();
// find the islands for the input relocation
std::pair<BranchIsland*, BranchIsland*> islands =
pBRIslandFactory.getIslands(*frag);
if (islands.first == NULL) {
// early exit if we can not find the forward island.
return NULL;
}
// find if there is such a stub in the backward island first.
if (islands.second != NULL) {
stub = islands.second->findStub(prototype, pReloc);
}
if (stub != NULL) {
// reset the branch target to the stub instead!
pReloc.setSymInfo(stub->symInfo());
} else {
// find if there is such a stub in the forward island.
stub = islands.first->findStub(prototype, pReloc);
if (stub != NULL) {
// reset the branch target to the stub instead!
pReloc.setSymInfo(stub->symInfo());
} else {
// create a stub from the prototype
stub = prototype->clone();
// build a name for stub symbol
std::string name("__");
name.append(pReloc.symInfo()->name())
.append("_")
.append(stub->name())
.append("@")
.append(islands.first->name());
// create LDSymbol for the stub
LDSymbol* symbol =
pBuilder.AddSymbol<IRBuilder::Force, IRBuilder::Unresolve>(
name,
ResolveInfo::Function,
ResolveInfo::Define,
ResolveInfo::Local,
stub->size(), // size
stub->initSymValue(), // value
FragmentRef::Create(*stub, stub->initSymValue()),
ResolveInfo::Default);
stub->setSymInfo(symbol->resolveInfo());
// add relocations of this stub (i.e., set the branch target of the
// stub)
for (Stub::fixup_iterator it = stub->fixup_begin(),
ie = stub->fixup_end();
it != ie;
++it) {
Relocation* reloc =
Relocation::Create((*it)->type(),
*(FragmentRef::Create(*stub, (*it)->offset())),
(*it)->addend());
reloc->setSymInfo(pReloc.symInfo());
islands.first->addRelocation(*reloc);
}
// add stub to the forward branch island
islands.first->addStub(prototype, pReloc, *stub);
// reset the branch target of the input reloc to this stub instead!
pReloc.setSymInfo(stub->symInfo());
}
}
}
return stub;
}
/// doRelax
bool
ARMGNULDBackend::doRelax(Module& pModule, IRBuilder& pBuilder, bool& pFinished)
{
assert(NULL != getStubFactory() && NULL != getBRIslandFactory());
bool isRelaxed = false;
ELFFileFormat* file_format = getOutputFormat();
// check branch relocs and create the related stubs if needed
Module::obj_iterator input, inEnd = pModule.obj_end();
for (input = pModule.obj_begin(); input != inEnd; ++input) {
LDContext::sect_iterator rs, rsEnd = (*input)->context()->relocSectEnd();
for (rs = (*input)->context()->relocSectBegin(); rs != rsEnd; ++rs) {
if (LDFileFormat::Ignore == (*rs)->kind() || !(*rs)->hasRelocData())
continue;
RelocData::iterator reloc, rEnd = (*rs)->getRelocData()->end();
for (reloc = (*rs)->getRelocData()->begin(); reloc != rEnd; ++reloc) {
Relocation* relocation = llvm::cast<Relocation>(reloc);
switch (relocation->type()) {
case llvm::ELF::R_ARM_PC24:
case llvm::ELF::R_ARM_CALL:
case llvm::ELF::R_ARM_JUMP24:
case llvm::ELF::R_ARM_PLT32:
case llvm::ELF::R_ARM_THM_CALL:
case llvm::ELF::R_ARM_THM_XPC22:
case llvm::ELF::R_ARM_THM_JUMP24:
case llvm::ELF::R_ARM_THM_JUMP19: {
// calculate the possible symbol value
uint64_t sym_value = 0x0;
LDSymbol* symbol = relocation->symInfo()->outSymbol();
if (symbol->hasFragRef()) {
uint64_t value = symbol->fragRef()->getOutputOffset();
uint64_t addr =
symbol->fragRef()->frag()->getParent()->getSection().addr();
sym_value = addr + value;
}
if (relocation->symInfo()->isGlobal() &&
(relocation->symInfo()->reserved() & ARMRelocator::ReservePLT) != 0x0) {
// FIXME: we need to find out the address of the specific plt entry
assert(file_format->hasPLT());
sym_value = file_format->getPLT().addr();
}
Stub* stub = getStubFactory()->create(*relocation, // relocation
sym_value, // symbol value
pBuilder,
*getBRIslandFactory());
if (NULL != stub) {
switch (config().options().getStripSymbolMode()) {
case GeneralOptions::StripAllSymbols:
case GeneralOptions::StripLocals:
break;
default: {
// a stub symbol should be local
assert(NULL != stub->symInfo() && stub->symInfo()->isLocal());
LDSection& symtab = file_format->getSymTab();
LDSection& strtab = file_format->getStrTab();
// increase the size of .symtab and .strtab if needed
if (config().targets().is32Bits())
symtab.setSize(symtab.size() + sizeof(llvm::ELF::Elf32_Sym));
else
symtab.setSize(symtab.size() + sizeof(llvm::ELF::Elf64_Sym));
symtab.setInfo(symtab.getInfo() + 1);
strtab.setSize(strtab.size() + stub->symInfo()->nameSize() + 1);
}
} // end of switch
isRelaxed = true;
}
break;
}
case llvm::ELF::R_ARM_V4BX:
/* FIXME: bypass R_ARM_V4BX relocation now */
break;
default:
break;
} // end of switch
} // for all relocations
} // for all relocation section
} // for all inputs
// find the first fragment w/ invalid offset due to stub insertion
Fragment* invalid = NULL;
pFinished = true;
for (BranchIslandFactory::iterator island = getBRIslandFactory()->begin(),
island_end = getBRIslandFactory()->end(); island != island_end; ++island) {
if ((*island).end() == file_format->getText().getSectionData()->end())
break;
Fragment* exit = (*island).end();
if (((*island).offset() + (*island).size()) > exit->getOffset()) {
invalid = exit;
pFinished = false;
break;
}
}
// reset the offset of invalid fragments
while (NULL != invalid) {
invalid->setOffset(invalid->getPrevNode()->getOffset() +
invalid->getPrevNode()->size());
invalid = invalid->getNextNode();
}
// reset the size of .text
if (isRelaxed) {
file_format->getText().setSize(
file_format->getText().getSectionData()->back().getOffset() +
file_format->getText().getSectionData()->back().size());
}
return isRelaxed;
}
