Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings.

[oota-llvm.git] / lib / CodeGen / MachOWriter.cpp

diff --git a/lib/CodeGen/MachOWriter.cpp b/lib/CodeGen/MachOWriter.cpp
index f8dccc1895e55b1d33ac242a2084f0329062be28..d163df3c4fec3dc6975c8fa19758c956b6fa72e9 100644 (file)
--- a/lib/CodeGen/MachOWriter.cpp
+++ b/lib/CodeGen/MachOWriter.cpp
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -38,6 +38,7 @@
 #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
@@ -125,6 +126,20 @@ namespace llvm {
       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!");
@@ -259,7 +274,7 @@ void MachOCodeEmitter::emitConstantPool(MachineConstantPool *MCP) {
   // "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);
@@ -317,7 +332,7 @@ void MachOCodeEmitter::emitJumpTables(MachineJumpTableInfo *MJTI) {
 //                          MachOWriter Implementation
 //===----------------------------------------------------------------------===//
 
-const int MachOWriter::ID = 0;
+char MachOWriter::ID = 0;
 MachOWriter::MachOWriter(std::ostream &o, TargetMachine &tm) 
   : MachineFunctionPass((intptr_t)&ID), O(o), TM(tm) {
   is64Bit = TM.getTargetData()->getPointerSizeInBits() == 64;
@@ -333,11 +348,9 @@ MachOWriter::~MachOWriter() {
 
 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.
@@ -380,7 +393,7 @@ void MachOWriter::AddSymbolToSection(MachOSection *Sec, GlobalVariable *GV) {
 
 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
@@ -803,7 +816,8 @@ void MachOWriter::InitMem(const Constant *C, void *Addr, intptr_t Offset,
     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)) {
@@ -861,7 +875,8 @@ void MachOWriter::InitMem(const Constant *C, void *Addr, intptr_t Offset,
         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;
@@ -871,7 +886,8 @@ void MachOWriter::InitMem(const Constant *C, void *Addr, intptr_t Offset,
         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;
@@ -902,9 +918,10 @@ void MachOWriter::InitMem(const Constant *C, void *Addr, intptr_t Offset,
         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)) {