//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Nate Begeman and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/CodeGen/MachineCodeEmitter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
-#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/TargetJITInfo.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/OutputBuffer.h"
#include "llvm/Support/Streams.h"
#include <algorithm>
+#include <cstring>
using namespace llvm;
/// AddMachOWriter - Concrete function to add the Mach-O writer to the function
virtual intptr_t getConstantPoolEntryAddress(unsigned Index) const {
assert(CPLocations.size() > Index && "CP not emitted!");
- return CPLocations[Index];\
+ return CPLocations[Index];
}
virtual intptr_t getJumpTableEntryAddress(unsigned Index) const {
assert(JTLocations.size() > Index && "JT not emitted!");
return MBBLocations[MBB->getNumber()];
}
+ virtual intptr_t getLabelAddress(uint64_t Label) const {
+ assert(0 && "get Label not implemented");
+ abort();
+ return 0;
+ }
+
+ virtual void emitLabel(uint64_t LabelID) {
+ assert(0 && "emit Label not implemented");
+ abort();
+ }
+
+
+ virtual void setModuleInfo(llvm::MachineModuleInfo* MMI) { }
+
/// JIT SPECIFIC FUNCTIONS - DO NOT IMPLEMENT THESE HERE!
virtual void startFunctionStub(unsigned StubSize, unsigned Alignment = 1) {
assert(0 && "JIT specific function called!");
// "giant object for PIC" optimization.
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
const Type *Ty = CP[i].getType();
- unsigned Size = TM.getTargetData()->getTypeSize(Ty);
+ unsigned Size = TM.getTargetData()->getABITypeSize(Ty);
MachOWriter::MachOSection *Sec = MOW.getConstSection(CP[i].Val.ConstVal);
OutputBuffer SecDataOut(Sec->SectionData, is64Bit, isLittleEndian);
// MachOWriter Implementation
//===----------------------------------------------------------------------===//
-MachOWriter::MachOWriter(std::ostream &o, TargetMachine &tm) : O(o), TM(tm) {
+char MachOWriter::ID = 0;
+MachOWriter::MachOWriter(std::ostream &o, TargetMachine &tm)
+ : MachineFunctionPass((intptr_t)&ID), O(o), TM(tm) {
is64Bit = TM.getTargetData()->getPointerSizeInBits() == 64;
isLittleEndian = TM.getTargetData()->isLittleEndian();
void MachOWriter::AddSymbolToSection(MachOSection *Sec, GlobalVariable *GV) {
const Type *Ty = GV->getType()->getElementType();
- unsigned Size = TM.getTargetData()->getTypeSize(Ty);
- unsigned Align = GV->getAlignment();
- if (Align == 0)
- Align = TM.getTargetData()->getPrefTypeAlignment(Ty);
-
+ unsigned Size = TM.getTargetData()->getABITypeSize(Ty);
+ unsigned Align = TM.getTargetData()->getPreferredAlignment(GV);
+
// Reserve space in the .bss section for this symbol while maintaining the
// desired section alignment, which must be at least as much as required by
// this symbol.
void MachOWriter::EmitGlobal(GlobalVariable *GV) {
const Type *Ty = GV->getType()->getElementType();
- unsigned Size = TM.getTargetData()->getTypeSize(Ty);
+ unsigned Size = TM.getTargetData()->getABITypeSize(Ty);
bool NoInit = !GV->hasInitializer();
// If this global has a zero initializer, it is part of the .bss or common
for (unsigned i = 0, e = MOS.Relocations.size(); i != e; ++i) {
MachineRelocation &MR = MOS.Relocations[i];
unsigned TargetSection = MR.getConstantVal();
- unsigned TargetAddr;
- unsigned TargetIndex;
+ unsigned TargetAddr = 0;
+ unsigned TargetIndex = 0;
// This is a scattered relocation entry if it points to a global value with
// a non-zero offset.
bool Scattered = false;
bool Extern = false;
-
+
// Since we may not have seen the GlobalValue we were interested in yet at
// the time we emitted the relocation for it, fix it up now so that it
// points to the offset into the correct section.
} else {
Scattered = TargetSection != 0;
TargetSection = MOSPtr->Index;
+ }
+ MR.setResultPointer((void*)Offset);
+ }
+
+ // If the symbol is locally defined, pass in the address of the section and
+ // the section index to the code which will generate the target relocation.
+ if (!Extern) {
MachOSection &To = *SectionList[TargetSection - 1];
TargetAddr = To.addr;
TargetIndex = To.Index;
- }
- MR.setResultPointer((void*)Offset);
}
OutputBuffer RelocOut(MOS.RelocBuffer, is64Bit, isLittleEndian);
if (isa<UndefValue>(PC)) {
continue;
} else if (const ConstantVector *CP = dyn_cast<ConstantVector>(PC)) {
- unsigned ElementSize = TD->getTypeSize(CP->getType()->getElementType());
+ unsigned ElementSize =
+ TD->getABITypeSize(CP->getType()->getElementType());
for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)
WorkList.push_back(CPair(CP->getOperand(i), PA+i*ElementSize));
} else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(PC)) {
break;
}
case Type::FloatTyID: {
- uint64_t val = FloatToBits(cast<ConstantFP>(PC)->getValue());
+ uint32_t val = cast<ConstantFP>(PC)->getValueAPF().convertToAPInt().
+ getZExtValue();
if (TD->isBigEndian())
val = ByteSwap_32(val);
ptr[0] = val;
break;
}
case Type::DoubleTyID: {
- uint64_t val = DoubleToBits(cast<ConstantFP>(PC)->getValue());
+ uint64_t val = cast<ConstantFP>(PC)->getValueAPF().convertToAPInt().
+ getZExtValue();
if (TD->isBigEndian())
val = ByteSwap_64(val);
ptr[0] = val;
abort();
}
} else if (isa<ConstantAggregateZero>(PC)) {
- memset((void*)PA, 0, (size_t)TD->getTypeSize(PC->getType()));
+ memset((void*)PA, 0, (size_t)TD->getABITypeSize(PC->getType()));
} else if (const ConstantArray *CPA = dyn_cast<ConstantArray>(PC)) {
- unsigned ElementSize = TD->getTypeSize(CPA->getType()->getElementType());
+ unsigned ElementSize =
+ TD->getABITypeSize(CPA->getType()->getElementType());
for (unsigned i = 0, e = CPA->getNumOperands(); i != e; ++i)
WorkList.push_back(CPair(CPA->getOperand(i), PA+i*ElementSize));
} else if (const ConstantStruct *CPS = dyn_cast<ConstantStruct>(PC)) {