[mips] Compute stack alignment on the fly.

[oota-llvm.git] / lib / Target / X86 / X86TargetObjectFile.cpp

diff --git a/lib/Target/X86/X86TargetObjectFile.cpp b/lib/Target/X86/X86TargetObjectFile.cpp
index 40f51ac262596b44094e69c1c61823ab8cca2334..086cd4de534bade101a46d317e8f9d7d53bab35f 100644 (file)
--- a/lib/Target/X86/X86TargetObjectFile.cpp
+++ b/lib/Target/X86/X86TargetObjectFile.cpp
@@ -1,4 +1,4 @@
-//===-- llvm/Target/X86/X86TargetObjectFile.cpp - X86 Object Info ---------===//
+//===-- X86TargetObjectFile.cpp - X86 Object Info -------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,125 +7,49 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "X86MCTargetExpr.h"
 #include "X86TargetObjectFile.h"
-#include "X86TargetMachine.h"
-#include "llvm/CodeGen/MachineModuleInfoImpls.h"
 #include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSectionMachO.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/ADT/SmallString.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionELF.h"
 #include "llvm/Support/Dwarf.h"
+#include "llvm/Target/Mangler.h"
+
 using namespace llvm;
 using namespace dwarf;
 
-void X86_MachoTargetObjectFile::Initialize(MCContext &Ctx,
-                                           const TargetMachine &TM) {
-  TargetLoweringObjectFileMachO::Initialize(Ctx, TM);
-
-  // Exception Handling.
-  LSDASection = getMachOSection("__TEXT", "__gcc_except_tab", 0,
-                                SectionKind::getReadOnlyWithRel());
-}
-
-unsigned X86_MachoTargetObjectFile::getTTypeEncoding() const {
-  return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-}
-
-const MCExpr *X8664_MachoTargetObjectFile::
-getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
-                               MachineModuleInfo *MMI, unsigned Encoding,
-                               MCStreamer &Streamer) const {
+const MCExpr *X86_64MachoTargetObjectFile::
+getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
+                        MachineModuleInfo *MMI, unsigned Encoding,
+                        MCStreamer &Streamer) const {
 
   // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
   // is an indirect pc-relative reference.
   if (Encoding & (DW_EH_PE_indirect | DW_EH_PE_pcrel)) {
-    const MCSymbol *Sym = Mang->getSymbol(GV);
+    const MCSymbol *Sym = getSymbol(*Mang, GV);
     const MCExpr *Res =
-      X86MCTargetExpr::Create(Sym, X86MCTargetExpr::GOTPCREL, getContext());
+      MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_GOTPCREL, getContext());
     const MCExpr *Four = MCConstantExpr::Create(4, getContext());
     return MCBinaryExpr::CreateAdd(Res, Four, getContext());
   }
 
   return TargetLoweringObjectFileMachO::
-    getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
-}
-
-unsigned X8632_ELFTargetObjectFile::getPersonalityEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8632_ELFTargetObjectFile::getLSDAEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
-}
-
-unsigned X8632_ELFTargetObjectFile::getFDEEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
+    getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
 }
 
-unsigned X8632_ELFTargetObjectFile::getTTypeEncoding() const {
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | DW_EH_PE_sdata4;
-  else
-    return DW_EH_PE_absptr;
+MCSymbol *X86_64MachoTargetObjectFile::
+getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+                        MachineModuleInfo *MMI) const {
+  return getSymbol(*Mang, GV);
 }
 
-unsigned X8664_ELFTargetObjectFile::getPersonalityEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
-                                                 Model == CodeModel::Medium ?
-                                            DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small || Model == CodeModel::Medium)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
-}
-
-unsigned X8664_ELFTargetObjectFile::getLSDAEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | (Model == CodeModel::Small ?
-                             DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
+void
+X86LinuxTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
+  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+  InitializeELF(TM.Options.UseInitArray);
 }
 
-unsigned X8664_ELFTargetObjectFile::getFDEEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_pcrel | (Model == CodeModel::Small ||
-                             Model == CodeModel::Medium ?
-                             DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small || Model == CodeModel::Medium)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
-}
-
-unsigned X8664_ELFTargetObjectFile::getTTypeEncoding() const {
-  CodeModel::Model Model = TM.getCodeModel();
-  if (TM.getRelocationModel() == Reloc::PIC_)
-    return DW_EH_PE_indirect | DW_EH_PE_pcrel | (Model == CodeModel::Small ||
-                                                 Model == CodeModel::Medium ?
-                                            DW_EH_PE_sdata4 : DW_EH_PE_sdata8);
-
-  if (Model == CodeModel::Small)
-    return DW_EH_PE_udata4;
-
-  return DW_EH_PE_absptr;
+const MCExpr *
+X86LinuxTargetObjectFile::getDebugThreadLocalSymbol(
+    const MCSymbol *Sym) const {
+  return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
 }