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reduce api exposure: clients shouldn't call SectionKindForGlobal directly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76941 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-24 03:49:17 +00:00
parent 083a1e0597
commit fb3431aec5
4 changed files with 32 additions and 31 deletions
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43
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
View File

@ -1077,9 +1077,9 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
if (EmitSpecialLLVMGlobal(GVar)) {
if (Subtarget->isTargetDarwin() &&
TM.getRelocationModel() == Reloc::Static) {
if (GVar->getName() == "llvm.global_ctors")
if (GVar->isName("llvm.global_ctors"))
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
else if (GVar->isName("llvm.global_dtors"))
O << ".reference .destructors_used\n";
}
return;
@ -1098,14 +1098,15 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
if (Subtarget->isTargetELF())
O << "\t.type " << name << ",%object\n";
const Section *TheSection = TAI->SectionForGlobal(GVar);
SwitchToSection(TheSection);
if (C->isNullValue() && !GVar->hasSection() && !GVar->isThreadLocal() &&
!(isDarwin &&
TAI->SectionKindForGlobal(GVar) == SectionKind::RODataMergeStr)) {
!(isDarwin && TheSection->getFlags() == SectionKind::RODataMergeStr)) {
// FIXME: This seems to be pretty darwin-specific
if (GVar->hasExternalLinkage()) {
SwitchToSection(TAI->SectionForGlobal(GVar));
if (const char *Directive = TAI->getZeroFillDirective()) {
O << "\t.globl\t" << name << "\n";
O << Directive << "__DATA, __common, " << name << ", "
@ -1147,7 +1148,6 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
O << ',' << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
} else {
SwitchToSection(TAI->SectionForGlobal(GVar));
if (GVar->hasLocalLinkage())
O << "\t.local\t" << name << "\n";
O << TAI->getCOMMDirective() << name << "," << Size;
@ -1162,14 +1162,13 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
return;
}
}
SwitchToSection(TAI->SectionForGlobal(GVar));
switch (GVar->getLinkage()) {
case GlobalValue::CommonLinkage:
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::CommonLinkage:
case GlobalValue::LinkOnceAnyLinkage:
case GlobalValue::LinkOnceODRLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
if (isDarwin) {
O << "\t.globl " << name << "\n"
<< "\t.weak_definition " << name << "\n";
@ -1177,17 +1176,17 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
O << "\t.weak " << name << "\n";
}
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:
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:
O << "\t.globl " << name << "\n";
// FALL THROUGH
case GlobalValue::PrivateLinkage:
case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
case GlobalValue::PrivateLinkage:
case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
llvm_unreachable("Unknown linkage type!");
}

9
lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
View File

@ -874,9 +874,9 @@ void PPCDarwinAsmPrinter::PrintGlobalVariable(const GlobalVariable *GVar) {
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GVar)) {
if (TM.getRelocationModel() == Reloc::Static) {
if (GVar->getName() == "llvm.global_ctors")
if (GVar->isName("llvm.global_ctors"))
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
else if (GVar->isName("llvm.global_dtors"))
O << ".reference .destructors_used\n";
}
return;
@ -890,13 +890,14 @@ void PPCDarwinAsmPrinter::PrintGlobalVariable(const GlobalVariable *GVar) {
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
SwitchToSection(TAI->SectionForGlobal(GVar));
const Section *TheSection = TAI->SectionForGlobal(GVar);
SwitchToSection(TheSection);
if (C->isNullValue() && /* FIXME: Verify correct */
!GVar->hasSection() &&
(GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
GVar->isWeakForLinker()) &&
TAI->SectionKindForGlobal(GVar) != SectionKind::RODataMergeStr) {
TheSection->getFlags() != SectionKind::RODataMergeStr) {
if (Size == 0) Size = 1; // .comm Foo, 0 is undefined, avoid it.
if (GVar->hasExternalLinkage()) {

2
lib/Target/TargetAsmInfo.cpp
View File

@ -222,7 +222,7 @@ TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
}
// Variable either is not constant or thread-local - output to data section.
return (isThreadLocal ? SectionKind::ThreadData : SectionKind::Data);
return isThreadLocal ? SectionKind::ThreadData : SectionKind::Data;
}
unsigned

9
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -773,9 +773,9 @@ void X86ATTAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
if (EmitSpecialLLVMGlobal(GVar)) {
if (Subtarget->isTargetDarwin() &&
TM.getRelocationModel() == Reloc::Static) {
if (GVar->getName() == "llvm.global_ctors")
if (GVar->isName("llvm.global_ctors"))
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
else if (GVar->isName("llvm.global_dtors"))
O << ".reference .destructors_used\n";
}
return;
@ -794,11 +794,12 @@ void X86ATTAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
if (Subtarget->isTargetELF())
O << "\t.type\t" << name << ",@object\n";
SwitchToSection(TAI->SectionForGlobal(GVar));
const Section *TheSection = TAI->SectionForGlobal(GVar);
SwitchToSection(TheSection);
if (C->isNullValue() && !GVar->hasSection() &&
!(Subtarget->isTargetDarwin() &&
TAI->SectionKindForGlobal(GVar) == SectionKind::RODataMergeStr)) {
TheSection->getFlags() == SectionKind::RODataMergeStr)) {
// FIXME: This seems to be pretty darwin-specific
if (GVar->hasExternalLinkage()) {
if (const char *Directive = TAI->getZeroFillDirective()) {