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move production of .reference directives for static ctor/dtor list on

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darwin into common code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93849 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-19 04:34:02 +00:00
parent a756b1d914
commit 71eae71315
7 changed files with 23 additions and 29 deletions
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12
include/llvm/MC/MCAsmInfo.h
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@ -36,7 +36,13 @@ namespace llvm {
/// HasMachoZeroFillDirective - True if this is a MachO target that supports
/// the macho-specific .zerofill directive for emitting BSS Symbols.
bool HasMachoZeroFillDirective; // Default is false.
bool HasMachoZeroFillDirective; // Default is false.
/// HasStaticCtorDtorReferenceInStaticMode - True if the compiler should
/// emit a ".reference .constructors_used" or ".reference .destructors_used"
/// directive after the a static ctor/dtor list. This directive is only
/// emitted in Static relocation model.
bool HasStaticCtorDtorReferenceInStaticMode; // Default is false.
/// NeedsSet - True if target asm treats expressions in data directives
/// as linktime-relocatable. For assembly-time computation, we need to
@ -314,7 +320,9 @@ namespace llvm {
// Accessors.
//
bool hasMachoZeroFillDirective() const { return HasMachoZeroFillDirective; }
bool hasStaticCtorDtorReferenceInStaticMode() const {
return HasStaticCtorDtorReferenceInStaticMode;
}
const char *getNonexecutableStackDirective() const {
return NonexecutableStackDirective;
}

8
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -449,6 +449,10 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
OutStreamer.SwitchSection(getObjFileLowering().getStaticCtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
if (TM.getRelocationModel() == Reloc::Static &&
MAI->hasStaticCtorDtorReferenceInStaticMode())
O << ".reference .constructors_used\n";
return true;
}
@ -456,6 +460,10 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
OutStreamer.SwitchSection(getObjFileLowering().getStaticDtorSection());
EmitAlignment(Align, 0);
EmitXXStructorList(GV->getInitializer());
if (TM.getRelocationModel() == Reloc::Static &&
MAI->hasStaticCtorDtorReferenceInStaticMode())
O << ".reference .destructors_used\n";
return true;
}

1
lib/MC/MCAsmInfo.cpp
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@ -20,6 +20,7 @@ using namespace llvm;
MCAsmInfo::MCAsmInfo() {
HasMachoZeroFillDirective = false;
HasStaticCtorDtorReferenceInStaticMode = false;
NonexecutableStackDirective = 0;
NeedsSet = false;
MaxInstLength = 4;

1
lib/MC/MCAsmInfoDarwin.cpp
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@ -36,6 +36,7 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
LCOMMDirective = "\t.lcomm\t";
ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
HasMachoZeroFillDirective = true; // Uses .zerofill
HasStaticCtorDtorReferenceInStaticMode = true;
SetDirective = "\t.set";
ProtectedDirective = "\t.globl\t";
HasDotTypeDotSizeDirective = false;

11
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -1171,17 +1171,8 @@ void ARMAsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
return;
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GVar)) {
if (Subtarget->isTargetDarwin() &&
TM.getRelocationModel() == Reloc::Static) {
if (GVar->getName() == "llvm.global_ctors")
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
O << ".reference .destructors_used\n";
}
if (EmitSpecialLLVMGlobal(GVar))
return;
}
MCSymbol *GVarSym = GetGlobalValueSymbol(GVar);

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

@ -933,15 +933,8 @@ void PPCDarwinAsmPrinter::PrintGlobalVariable(const GlobalVariable *GVar) {
return; // External global require no code
// 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")
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
O << ".reference .destructors_used\n";
}
if (EmitSpecialLLVMGlobal(GVar))
return;
}
MCSymbol *GVarSym = GetGlobalValueSymbol(GVar);
printVisibility(GVarSym, GVar->getVisibility());

10
lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
View File

@ -651,16 +651,8 @@ void X86AsmPrinter::PrintGlobalVariable(const GlobalVariable* GVar) {
return; // External global require no code
// Check to see if this is a special global used by LLVM, if so, emit it.
if (EmitSpecialLLVMGlobal(GVar)) {
if (Subtarget->isTargetDarwin() &&
TM.getRelocationModel() == Reloc::Static) {
if (GVar->getName() == "llvm.global_ctors")
O << ".reference .constructors_used\n";
else if (GVar->getName() == "llvm.global_dtors")
O << ".reference .destructors_used\n";
}
if (EmitSpecialLLVMGlobal(GVar))
return;
}
const TargetData *TD = TM.getTargetData();