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fix some fixmes: emit stubs in sorted order.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81541 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-09-11 18:20:26 +00:00
parent cabfea2a58
commit f41116350a
1 changed files with 34 additions and 14 deletions
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48
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
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@ -881,6 +881,22 @@ void X86ATTAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
O << "\t.size\t" << name << ", " << Size << '\n';
}
static int SortSymbolPair(const void *LHS, const void *RHS) {
MCSymbol *LHSS = ((const std::pair<MCSymbol*, MCSymbol*>*)LHS)->first;
MCSymbol *RHSS = ((const std::pair<MCSymbol*, MCSymbol*>*)LHS)->first;
return LHSS->getName().compare(RHSS->getName());
}
/// GetSortedStubs - Return the entries from a DenseMap in a deterministic
/// sorted orer.
static std::vector<std::pair<MCSymbol*, MCSymbol*> >
GetSortedStubs(const DenseMap<MCSymbol*, MCSymbol*> &Map) {
assert(!Map.empty());
std::vector<std::pair<MCSymbol*, MCSymbol*> > List(Map.begin(), Map.end());
qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair);
return List;
}
bool X86ATTAsmPrinter::doFinalization(Module &M) {
// Print out module-level global variables here.
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
@ -926,13 +942,14 @@ bool X86ATTAsmPrinter::doFinalization(Module &M) {
MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
5, SectionKind::getMetadata());
OutStreamer.SwitchSection(TheSection);
// FIXME: This iteration order is unstable!!
for (DenseMap<MCSymbol*, MCSymbol*>::iterator I = FnStubs.begin(),
E = FnStubs.end(); I != E; ++I) {
I->first->print(O, MAI);
std::vector<std::pair<MCSymbol*, MCSymbol*> > Stubs
= GetSortedStubs(FnStubs);
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
Stubs[i].first->print(O, MAI);
O << ":\n" << "\t.indirect_symbol ";
// Get the MCSymbol without the $stub suffix.
I->second->print(O, MAI);
Stubs[i].second->print(O, MAI);
O << "\n\thlt ; hlt ; hlt ; hlt ; hlt\n";
}
O << '\n';
@ -945,12 +962,13 @@ bool X86ATTAsmPrinter::doFinalization(Module &M) {
MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
SectionKind::getMetadata());
OutStreamer.SwitchSection(TheSection);
// FIXME: This iteration order is unstable!!
for (DenseMap<MCSymbol*, MCSymbol*>::iterator I = GVStubs.begin(),
E = GVStubs.end(); I != E; ++I) {
I->first->print(O, MAI);
std::vector<std::pair<MCSymbol*, MCSymbol*> > Stubs
= GetSortedStubs(FnStubs);
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
Stubs[i].first->print(O, MAI);
O << ":\n\t.indirect_symbol ";
I->second->print(O, MAI);
Stubs[i].second->print(O, MAI);
O << "\n\t.long\t0\n";
}
}
@ -958,11 +976,13 @@ bool X86ATTAsmPrinter::doFinalization(Module &M) {
if (!HiddenGVStubs.empty()) {
OutStreamer.SwitchSection(getObjFileLowering().getDataSection());
EmitAlignment(2);
for (DenseMap<MCSymbol*, MCSymbol*>::iterator I = HiddenGVStubs.begin(),
E = HiddenGVStubs.end(); I != E; ++I) {
I->first->print(O, MAI);
std::vector<std::pair<MCSymbol*, MCSymbol*> > Stubs
= GetSortedStubs(FnStubs);
for (unsigned i = 0, e = Stubs.size(); i != e; ++i) {
Stubs[i].first->print(O, MAI);
O << ":\n" << MAI->getData32bitsDirective();
I->second->print(O, MAI);
Stubs[i].second->print(O, MAI);
O << '\n';
}
}