6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-27 00:21:03 +00:00
Code Issues Projects Releases Wiki Activity

Switch Alpha to new section handling stuff

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54457 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2008-08-07 09:53:57 +00:00
parent fcd99bb428
commit 79579c911f
1 changed files with 59 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
lib/Target/Alpha/AlphaAsmPrinter.cpp
View File

@@ -46,6 +46,7 @@ namespace {
void printOp(const MachineOperand &MO, bool IsCallOp = false); void printOp(const MachineOperand &MO, bool IsCallOp = false);
void printOperand(const MachineInstr *MI, int opNum); void printOperand(const MachineInstr *MI, int opNum);
void printBaseOffsetPair (const MachineInstr *MI, int i, bool brackets=true); void printBaseOffsetPair (const MachineInstr *MI, int i, bool brackets=true);
void printModuleLevelGV(const GlobalVariable* GVar);
bool runOnMachineFunction(MachineFunction &F); bool runOnMachineFunction(MachineFunction &F);
bool doInitialization(Module &M); bool doInitialization(Module &M);
bool doFinalization(Module &M); bool doFinalization(Module &M);
@@ -201,28 +202,30 @@ bool AlphaAsmPrinter::doInitialization(Module &M)
return AsmPrinter::doInitialization(M); return AsmPrinter::doInitialization(M);
} }
bool AlphaAsmPrinter::doFinalization(Module &M) { void AlphaAsmPrinter::printModuleLevelGV(const GlobalVariable* GVar) {
const TargetData *TD = TM.getTargetData(); const TargetData *TD = TM.getTargetData();
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I) { if (!GVar->hasInitializer()) return; // External global require no code
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. // Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(I)) if (EmitSpecialLLVMGlobal(GVar))
continue; return;
std::string name = Mang->getValueName(I); std::string SectionName = TAI->SectionForGlobal(GVar);
Constant *C = I->getInitializer(); std::string name = Mang->getValueName(GVar);
Constant *C = GVar->getInitializer();
unsigned Size = TD->getABITypeSize(C->getType()); unsigned Size = TD->getABITypeSize(C->getType());
unsigned Align = TD->getPreferredAlignmentLog(I); unsigned Align = TD->getPreferredAlignmentLog(GVar);
//1: hidden? // 0: Switch to section
if (I->hasHiddenVisibility()) SwitchToDataSection(SectionName.c_str());
// 1: Check visibility
if (GVar->hasHiddenVisibility())
O << TAI->getHiddenDirective() << name << "\n"; O << TAI->getHiddenDirective() << name << "\n";
//2: kind // 2: Kind
switch (I->getLinkage()) { switch (GVar->getLinkage()) {
case GlobalValue::LinkOnceLinkage: case GlobalValue::LinkOnceLinkage:
case GlobalValue::WeakLinkage: case GlobalValue::WeakLinkage:
case GlobalValue::CommonLinkage: case GlobalValue::CommonLinkage:
@@ -230,7 +233,7 @@ bool AlphaAsmPrinter::doFinalization(Module &M) {
break; break;
case GlobalValue::AppendingLinkage: case GlobalValue::AppendingLinkage:
case GlobalValue::ExternalLinkage: case GlobalValue::ExternalLinkage:
O << "\t.globl " << name << "\n"; O << TAI->getGlobalDirective() << name << "\n";
break; break;
case GlobalValue::InternalLinkage: case GlobalValue::InternalLinkage:
break; break;
@@ -240,24 +243,13 @@ bool AlphaAsmPrinter::doFinalization(Module &M) {
abort(); abort();
} }
//3: Section (if changed) // 3: Type, Size, Align
if (I->hasSection() && if (TAI->hasDotTypeDotSizeDirective()) {
(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.type\t" << name << ", @object\n";
O << "\t.size\t" << name << ", " << Size << "\n"; O << "\t.size\t" << name << ", " << Size << "\n";
EmitAlignment(Align, I); }
EmitAlignment(Align, GVar);
O << name << ":\n"; O << name << ":\n";
@@ -269,7 +261,12 @@ bool AlphaAsmPrinter::doFinalization(Module &M) {
EmitGlobalConstant(C); EmitGlobalConstant(C);
O << '\n'; O << '\n';
} }
bool AlphaAsmPrinter::doFinalization(Module &M) {
for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I)
printModuleLevelGV(I);
return AsmPrinter::doFinalization(M); return AsmPrinter::doFinalization(M);
} }