//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalVariable.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalVariable.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/SmallString.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
/// than ConstantDataSequential::isString because we allow 2 & 4 byte strings.
static bool IsNullTerminatedString(const Constant *C) {
// First check: is we have constant array terminated with zero
- if (const ConstantArray *CVA = dyn_cast<ConstantArray>(C)) {
- ArrayType *ATy = cast<ArrayType>(C->getType());
- if (ATy->getNumElements() == 0) return false;
-
- ConstantInt *Null =
- dyn_cast<ConstantInt>(CVA->getOperand(ATy->getNumElements()-1));
- if (Null == 0 || !Null->isZero())
- return false; // Not null terminated.
-
- // Verify that the null doesn't occur anywhere else in the string.
- for (unsigned i = 0, e = ATy->getNumElements()-1; i != e; ++i)
- // Reject constantexpr elements etc.
- if (!isa<ConstantInt>(CVA->getOperand(i)) ||
- CVA->getOperand(i) == Null)
- return false;
- return true;
- }
if (const ConstantDataSequential *CDS = dyn_cast<ConstantDataSequential>(C)) {
unsigned NumElts = CDS->getNumElements();
assert(NumElts != 0 && "Can't have an empty CDS");
// a mergable string section, or general .data if it contains relocations.
if (GVar->isConstant()) {
// If the initializer for the global contains something that requires a
- // relocation, then we may have to drop this into a wriable data section
+ // relocation, then we may have to drop this into a writable data section
// even though it is marked const.
switch (C->getRelocationInfo()) {
case Constant::NoRelocation:
// Otherwise, just drop it into a mergable constant section. If we have
// a section for this size, use it, otherwise use the arbitrary sized
// mergable section.
- switch (TM.getTargetData()->getTypeAllocSize(C->getType())) {
+ switch (TM.getDataLayout()->getTypeAllocSize(C->getType())) {
case 4: return SectionKind::getMergeableConst4();
case 8: return SectionKind::getMergeableConst8();
case 16: return SectionKind::getMergeableConst16();
return DataSection;
}
-/// getExprForDwarfGlobalReference - Return an MCExpr to use for a
+/// getTTypeGlobalReference - Return an MCExpr to use for a
/// reference to the specified global variable from exception
/// handling information.
const MCExpr *TargetLoweringObjectFile::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
- const MCSymbol *Sym = Mang->getSymbol(GV);
- return getExprForDwarfReference(Sym, Encoding, Streamer);
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+ MachineModuleInfo *MMI, unsigned Encoding,
+ MCStreamer &Streamer) const {
+ const MCSymbolRefExpr *Ref =
+ MCSymbolRefExpr::Create(Mang->getSymbol(GV), getContext());
+
+ return getTTypeReference(Ref, Encoding, Streamer);
}
const MCExpr *TargetLoweringObjectFile::
-getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
- MCStreamer &Streamer) const {
- const MCExpr *Res = MCSymbolRefExpr::Create(Sym, getContext());
-
+getTTypeReference(const MCSymbolRefExpr *Sym, unsigned Encoding,
+ MCStreamer &Streamer) const {
switch (Encoding & 0x70) {
default:
report_fatal_error("We do not support this DWARF encoding yet!");
case dwarf::DW_EH_PE_absptr:
// Do nothing special
- return Res;
+ return Sym;
case dwarf::DW_EH_PE_pcrel: {
// Emit a label to the streamer for the current position. This gives us
// .-foo addressing.
MCSymbol *PCSym = getContext().CreateTempSymbol();
Streamer.EmitLabel(PCSym);
const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, getContext());
- return MCBinaryExpr::CreateSub(Res, PC, getContext());
+ return MCBinaryExpr::CreateSub(Sym, PC, getContext());
}
}
}
+
+const MCExpr *TargetLoweringObjectFile::getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
+ // FIXME: It's not clear what, if any, default this should have - perhaps a
+ // null return could mean 'no location' & we should just do that here.
+ return MCSymbolRefExpr::Create(Sym, *Ctx);
+}