mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
Well this isn't as ugly and it works better. At least gcc bootstraps again
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
db3faa64ee
commit
921a83a809
@ -112,9 +112,13 @@ void AlphaAsmPrinter::printOp(const MachineOperand &MO, bool IsCallOp) {
|
||||
O << MO.getSymbolName();
|
||||
return;
|
||||
|
||||
case MachineOperand::MO_GlobalAddress:
|
||||
O << Mang->getValueName(MO.getGlobal());
|
||||
case MachineOperand::MO_GlobalAddress: {
|
||||
GlobalValue *GV = MO.getGlobal();
|
||||
O << Mang->getValueName(GV);
|
||||
if (GV->isDeclaration() && GV->hasExternalWeakLinkage())
|
||||
ExtWeakSymbols.insert(GV);
|
||||
return;
|
||||
}
|
||||
|
||||
case MachineOperand::MO_JumpTableIndex:
|
||||
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
|
||||
@ -189,88 +193,83 @@ bool AlphaAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
|
||||
|
||||
bool AlphaAsmPrinter::doInitialization(Module &M)
|
||||
{
|
||||
AsmPrinter::doInitialization(M);
|
||||
if(TM.getSubtarget<AlphaSubtarget>().hasCT())
|
||||
O << "\t.arch ev6\n"; //This might need to be ev67, so leave this test here
|
||||
else
|
||||
O << "\t.arch ev6\n";
|
||||
O << "\t.set noat\n";
|
||||
AsmPrinter::doInitialization(M);
|
||||
return false;
|
||||
}
|
||||
|
||||
bool AlphaAsmPrinter::doFinalization(Module &M) {
|
||||
const TargetData *TD = TM.getTargetData();
|
||||
|
||||
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
|
||||
if (I->hasInitializer()) { // External global require no code
|
||||
// Check to see if this is a special global used by LLVM, if so, emit it.
|
||||
if (EmitSpecialLLVMGlobal(I))
|
||||
continue;
|
||||
|
||||
O << "\n\n";
|
||||
std::string name = Mang->getValueName(I);
|
||||
Constant *C = I->getInitializer();
|
||||
unsigned Size = TD->getTypeSize(C->getType());
|
||||
// unsigned Align = TD->getPreferredTypeAlignmentShift(C->getType());
|
||||
unsigned Align = TD->getPreferredAlignmentLog(I);
|
||||
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I) {
|
||||
|
||||
if (C->isNullValue() &&
|
||||
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||
|
||||
I->hasWeakLinkage() /* FIXME: Verify correct */)) {
|
||||
SwitchToDataSection("\t.section .data", I);
|
||||
if (I->hasInternalLinkage())
|
||||
O << "\t.local " << name << "\n";
|
||||
|
||||
O << "\t.comm " << name << "," << TD->getTypeSize(C->getType())
|
||||
<< "," << (1 << Align)
|
||||
<< "\n";
|
||||
} else {
|
||||
switch (I->getLinkage()) {
|
||||
case GlobalValue::LinkOnceLinkage:
|
||||
case GlobalValue::WeakLinkage: // FIXME: Verify correct for weak.
|
||||
// Nonnull linkonce -> weak
|
||||
O << "\t.weak " << name << "\n";
|
||||
O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n";
|
||||
SwitchToDataSection("", I);
|
||||
break;
|
||||
case GlobalValue::AppendingLinkage:
|
||||
// FIXME: appending linkage variables should go into a section of
|
||||
// their name or something. For now, just emit them as external.
|
||||
case GlobalValue::ExternalLinkage:
|
||||
// If external or appending, declare as a global symbol
|
||||
O << "\t.globl " << name << "\n";
|
||||
// FALL THROUGH
|
||||
case GlobalValue::InternalLinkage:
|
||||
SwitchToDataSection(C->isNullValue() ? "\t.section .bss" :
|
||||
"\t.section .data", I);
|
||||
break;
|
||||
case GlobalValue::GhostLinkage:
|
||||
cerr << "GhostLinkage cannot appear in AlphaAsmPrinter!\n";
|
||||
abort();
|
||||
case GlobalValue::DLLImportLinkage:
|
||||
cerr << "DLLImport linkage is not supported by this target!\n";
|
||||
abort();
|
||||
case GlobalValue::DLLExportLinkage:
|
||||
cerr << "DLLExport linkage is not supported by this target!\n";
|
||||
abort();
|
||||
default:
|
||||
assert(0 && "Unknown linkage type!");
|
||||
}
|
||||
|
||||
EmitAlignment(Align);
|
||||
O << "\t.type " << name << ",@object\n";
|
||||
O << "\t.size " << name << "," << Size << "\n";
|
||||
O << name << ":\n";
|
||||
EmitGlobalConstant(C);
|
||||
}
|
||||
if (!I->hasInitializer()) continue; // External global require no code
|
||||
|
||||
// Check to see if this is a special global used by LLVM, if so, emit it.
|
||||
if (EmitSpecialLLVMGlobal(I))
|
||||
continue;
|
||||
|
||||
std::string name = Mang->getValueName(I);
|
||||
Constant *C = I->getInitializer();
|
||||
unsigned Size = TD->getTypeSize(C->getType());
|
||||
unsigned Align = TD->getPreferredAlignmentLog(I);
|
||||
|
||||
//1: hidden?
|
||||
if (I->hasHiddenVisibility())
|
||||
O << TAI->getHiddenDirective() << name << "\n";
|
||||
|
||||
//2: kind
|
||||
switch (I->getLinkage()) {
|
||||
case GlobalValue::LinkOnceLinkage:
|
||||
case GlobalValue::WeakLinkage:
|
||||
O << TAI->getWeakRefDirective() << name << '\n';
|
||||
break;
|
||||
case GlobalValue::AppendingLinkage:
|
||||
case GlobalValue::ExternalLinkage:
|
||||
O << "\t.globl " << name << "\n";
|
||||
break;
|
||||
case GlobalValue::InternalLinkage:
|
||||
break;
|
||||
default:
|
||||
assert(0 && "Unknown linkage type!");
|
||||
cerr << "Unknown linkage type!\n";
|
||||
abort();
|
||||
}
|
||||
|
||||
for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
|
||||
if (I->hasExternalWeakLinkage()) {
|
||||
O << "\n\n";
|
||||
std::string name = Mang->getValueName(I);
|
||||
O << "\t.weak " << name << "\n";
|
||||
|
||||
//3: Section (if changed)
|
||||
if (I->hasSection() &&
|
||||
(I->getSection() == ".ctors" ||
|
||||
I->getSection() == ".dtors")) {
|
||||
std::string SectionName = ".section\t" + I->getSection()
|
||||
+ ",\"aw\",@progbits";
|
||||
SwitchToDataSection(SectionName.c_str());
|
||||
} else {
|
||||
if (C->isNullValue())
|
||||
SwitchToDataSection("\t.section\t.bss", I);
|
||||
else
|
||||
SwitchToDataSection("\t.section\t.data", I);
|
||||
}
|
||||
|
||||
//4: Type, Size, Align
|
||||
O << "\t.type\t" << name << ", @object\n";
|
||||
O << "\t.size\t" << name << ", " << Size << "\n";
|
||||
EmitAlignment(Align, I);
|
||||
|
||||
O << name << ":\n";
|
||||
|
||||
// If the initializer is a extern weak symbol, remember to emit the weak
|
||||
// reference!
|
||||
if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
|
||||
if (GV->hasExternalWeakLinkage())
|
||||
ExtWeakSymbols.insert(GV);
|
||||
|
||||
EmitGlobalConstant(C);
|
||||
O << '\n';
|
||||
}
|
||||
|
||||
AsmPrinter::doFinalization(M);
|
||||
return false;
|
||||
|
Loading…
Reference in New Issue
Block a user