Reduce the exposure of Triple::OSType in the ELF object writer. This will
avoid including ADT/Triple.h in many places when the target specific bits are
moved.

llvm-svn: 147059
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
index bd0df72..b947209 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
@@ -31,8 +31,8 @@
 namespace {
 class ARMELFObjectWriter : public MCELFObjectTargetWriter {
 public:
-  ARMELFObjectWriter(Triple::OSType OSType)
-    : MCELFObjectTargetWriter(/*Is64Bit*/ false, OSType, ELF::EM_ARM,
+  ARMELFObjectWriter(uint8_t OSABI)
+    : MCELFObjectTargetWriter(/*Is64Bit*/ false, OSABI, ELF::EM_ARM,
                               /*HasRelocationAddend*/ false) {}
 };
 
@@ -447,16 +447,16 @@
 // ELF is an ELF of course...
 class ELFARMAsmBackend : public ARMAsmBackend {
 public:
-  Triple::OSType OSType;
+  uint8_t OSABI;
   ELFARMAsmBackend(const Target &T, const StringRef TT,
-                   Triple::OSType _OSType)
-    : ARMAsmBackend(T, TT), OSType(_OSType) { }
+                   uint8_t _OSABI)
+    : ARMAsmBackend(T, TT), OSABI(_OSABI) { }
 
   void ApplyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
                   uint64_t Value) const;
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
-    return createELFObjectWriter(new ARMELFObjectWriter(OSType), OS,
+    return createELFObjectWriter(new ARMELFObjectWriter(OSABI), OS,
                               /*IsLittleEndian*/ true);
   }
 };
@@ -580,5 +580,6 @@
   if (TheTriple.isOSWindows())
     assert(0 && "Windows not supported on ARM");
 
-  return new ELFARMAsmBackend(T, TT, Triple(TT).getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
+  return new ELFARMAsmBackend(T, TT, OSABI);
 }
diff --git a/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeAsmBackend.cpp b/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeAsmBackend.cpp
index d5acbe9..c0c2106 100644
--- a/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeAsmBackend.cpp
+++ b/llvm/lib/Target/MBlaze/MCTargetDesc/MBlazeAsmBackend.cpp
@@ -41,8 +41,8 @@
 namespace {
 class MBlazeELFObjectWriter : public MCELFObjectTargetWriter {
 public:
-  MBlazeELFObjectWriter(Triple::OSType OSType)
-    : MCELFObjectTargetWriter(/*is64Bit*/ false, OSType, ELF::EM_MBLAZE,
+  MBlazeELFObjectWriter(uint8_t OSABI)
+    : MCELFObjectTargetWriter(/*is64Bit*/ false, OSABI, ELF::EM_MBLAZE,
                               /*HasRelocationAddend*/ true) {}
 };
 
@@ -123,15 +123,15 @@
 namespace {
 class ELFMBlazeAsmBackend : public MBlazeAsmBackend {
 public:
-  Triple::OSType OSType;
-  ELFMBlazeAsmBackend(const Target &T, Triple::OSType _OSType)
-    : MBlazeAsmBackend(T), OSType(_OSType) { }
+  uint8_t OSABI;
+  ELFMBlazeAsmBackend(const Target &T, uint8_t _OSABI)
+    : MBlazeAsmBackend(T), OSABI(_OSABI) { }
 
   void ApplyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
                   uint64_t Value) const;
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
-    return createELFObjectWriter(new MBlazeELFObjectWriter(OSType), OS,
+    return createELFObjectWriter(new MBlazeELFObjectWriter(OSABI), OS,
                                  /*IsLittleEndian*/ false);
   }
 };
@@ -172,5 +172,6 @@
   if (TheTriple.isOSWindows())
     assert(0 && "Windows not supported on MBlaze");
 
-  return new ELFMBlazeAsmBackend(T, TheTriple.getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(TheTriple.getOS());
+  return new ELFMBlazeAsmBackend(T, OSABI);
 }
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index 60ff4fe..699148b 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -72,9 +72,9 @@
 
 class MipsELFObjectWriter : public MCELFObjectTargetWriter {
 public:
-  MipsELFObjectWriter(bool is64Bit, Triple::OSType OSType, uint16_t EMachine,
+  MipsELFObjectWriter(bool is64Bit, uint8_t OSABI, uint16_t EMachine,
                       bool HasRelocationAddend)
-    : MCELFObjectTargetWriter(is64Bit, OSType, EMachine,
+    : MCELFObjectTargetWriter(is64Bit, OSABI, EMachine,
                               HasRelocationAddend) {}
 };
 
@@ -197,10 +197,10 @@
 
 class MipsEB_AsmBackend : public MipsAsmBackend {
 public:
-  Triple::OSType OSType;
+  uint8_t OSABI;
 
-  MipsEB_AsmBackend(const Target &T, Triple::OSType _OSType)
-    : MipsAsmBackend(T), OSType(_OSType) {}
+  MipsEB_AsmBackend(const Target &T, uint8_t _OSABI)
+    : MipsAsmBackend(T), OSABI(_OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createELFObjectWriter(createELFObjectTargetWriter(),
@@ -208,16 +208,16 @@
   }
 
   MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
-    return new MipsELFObjectWriter(false, OSType, ELF::EM_MIPS, false);
+    return new MipsELFObjectWriter(false, OSABI, ELF::EM_MIPS, false);
   }
 };
 
 class MipsEL_AsmBackend : public MipsAsmBackend {
 public:
-  Triple::OSType OSType;
+  uint8_t OSABI;
 
-  MipsEL_AsmBackend(const Target &T, Triple::OSType _OSType)
-    : MipsAsmBackend(T), OSType(_OSType) {}
+  MipsEL_AsmBackend(const Target &T, uint8_t _OSABI)
+    : MipsAsmBackend(T), OSABI(_OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createELFObjectWriter(createELFObjectTargetWriter(),
@@ -225,7 +225,7 @@
   }
 
   MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
-    return new MipsELFObjectWriter(false, OSType, ELF::EM_MIPS, false);
+    return new MipsELFObjectWriter(false, OSABI, ELF::EM_MIPS, false);
   }
 };
 } // namespace
@@ -235,5 +235,6 @@
 
   // just return little endian for now
   //
-  return new MipsEL_AsmBackend(T, Triple(TT).getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
+  return new MipsEL_AsmBackend(T, OSABI);
 }
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
index 34a5774..f58e34a 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCAsmBackend.cpp
@@ -59,9 +59,9 @@
 
 class PPCELFObjectWriter : public MCELFObjectTargetWriter {
 public:
-  PPCELFObjectWriter(bool Is64Bit, Triple::OSType OSType, uint16_t EMachine,
+  PPCELFObjectWriter(bool Is64Bit, uint8_t OSABI, uint16_t EMachine,
                      bool HasRelocationAddend, bool isLittleEndian)
-    : MCELFObjectTargetWriter(Is64Bit, OSType, EMachine, HasRelocationAddend) {}
+    : MCELFObjectTargetWriter(Is64Bit, OSABI, EMachine, HasRelocationAddend) {}
 };
 
 class PPCAsmBackend : public MCAsmBackend {
@@ -154,10 +154,10 @@
   };
 
   class ELFPPCAsmBackend : public PPCAsmBackend {
-    Triple::OSType OSType;
+    uint8_t OSABI;
   public:
-    ELFPPCAsmBackend(const Target &T, Triple::OSType OSType) :
-      PPCAsmBackend(T), OSType(OSType) { }
+    ELFPPCAsmBackend(const Target &T, uint8_t OSABI) :
+      PPCAsmBackend(T), OSABI(OSABI) { }
     
     void ApplyFixup(const MCFixup &Fixup, char *Data, unsigned DataSize,
                     uint64_t Value) const {
@@ -177,7 +177,7 @@
       bool is64 = getPointerSize() == 8;
       return createELFObjectWriter(new PPCELFObjectWriter(
                                       /*Is64Bit=*/is64,
-                                      OSType,
+                                      OSABI,
                                       is64 ? ELF::EM_PPC64 : ELF::EM_PPC,                                      
                                       /*addend*/ true, /*isLittleEndian*/ false),
                                    OS, /*IsLittleEndian=*/false);
@@ -197,5 +197,6 @@
   if (Triple(TT).isOSDarwin())
     return new DarwinPPCAsmBackend(T);
 
-  return new ELFPPCAsmBackend(T, Triple(TT).getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
+  return new ELFPPCAsmBackend(T, OSABI);
 }
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
index 7cbda48..8e10aa4 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
@@ -58,9 +58,9 @@
 
 class X86ELFObjectWriter : public MCELFObjectTargetWriter {
 public:
-  X86ELFObjectWriter(bool is64Bit, Triple::OSType OSType, uint16_t EMachine,
-                     bool HasRelocationAddend)
-    : MCELFObjectTargetWriter(is64Bit, OSType, EMachine, HasRelocationAddend) {}
+  X86ELFObjectWriter(bool is64Bit, uint8_t OSABI, uint16_t EMachine,
+                     bool HasRelocationAddend, bool foobar)
+    : MCELFObjectTargetWriter(is64Bit, OSABI, EMachine, HasRelocationAddend) {}
 };
 
 class X86AsmBackend : public MCAsmBackend {
@@ -325,9 +325,9 @@
 namespace {
 class ELFX86AsmBackend : public X86AsmBackend {
 public:
-  Triple::OSType OSType;
-  ELFX86AsmBackend(const Target &T, Triple::OSType _OSType)
-    : X86AsmBackend(T), OSType(_OSType) {
+  uint8_t OSABI;
+  ELFX86AsmBackend(const Target &T, uint8_t _OSABI)
+    : X86AsmBackend(T), OSABI(_OSABI) {
     HasReliableSymbolDifference = true;
   }
 
@@ -339,8 +339,8 @@
 
 class ELFX86_32AsmBackend : public ELFX86AsmBackend {
 public:
-  ELFX86_32AsmBackend(const Target &T, Triple::OSType OSType)
-    : ELFX86AsmBackend(T, OSType) {}
+  ELFX86_32AsmBackend(const Target &T, uint8_t OSABI)
+    : ELFX86AsmBackend(T, OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createELFObjectWriter(createELFObjectTargetWriter(),
@@ -348,14 +348,14 @@
   }
 
   MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
-    return new X86ELFObjectWriter(false, OSType, ELF::EM_386, false);
+    return new X86ELFObjectWriter(false, OSABI, ELF::EM_386, false, false);
   }
 };
 
 class ELFX86_64AsmBackend : public ELFX86AsmBackend {
 public:
-  ELFX86_64AsmBackend(const Target &T, Triple::OSType OSType)
-    : ELFX86AsmBackend(T, OSType) {}
+  ELFX86_64AsmBackend(const Target &T, uint8_t OSABI)
+    : ELFX86AsmBackend(T, OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createELFObjectWriter(createELFObjectTargetWriter(),
@@ -363,7 +363,7 @@
   }
 
   MCELFObjectTargetWriter *createELFObjectTargetWriter() const {
-    return new X86ELFObjectWriter(true, OSType, ELF::EM_X86_64, true);
+    return new X86ELFObjectWriter(true, OSABI, ELF::EM_X86_64, true, false);
   }
 };
 
@@ -457,7 +457,8 @@
   if (TheTriple.isOSWindows())
     return new WindowsX86AsmBackend(T, false);
 
-  return new ELFX86_32AsmBackend(T, TheTriple.getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(TheTriple.getOS());
+  return new ELFX86_32AsmBackend(T, OSABI);
 }
 
 MCAsmBackend *llvm::createX86_64AsmBackend(const Target &T, StringRef TT) {
@@ -469,5 +470,6 @@
   if (TheTriple.isOSWindows())
     return new WindowsX86AsmBackend(T, true);
 
-  return new ELFX86_64AsmBackend(T, TheTriple.getOS());
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(TheTriple.getOS());
+  return new ELFX86_64AsmBackend(T, OSABI);
 }