Pass endian information to constructors. Define separate functions to create

objects for big endian and little endian targets.

Patch by Jack Carter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151788 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 28 deletions

diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index ca60225f10..d69570bdf0 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -70,10 +70,16 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
 
 namespace {
 class MipsAsmBackend : public MCAsmBackend {
+  Triple::OSType OSType;
+  bool IsLittle; // Big or little endian
+
 public:
-  uint8_t OSABI;
-  MipsAsmBackend(const Target &T, uint8_t OSABI_) :
-    MCAsmBackend(), OSABI(OSABI_) {}
+  MipsAsmBackend(const Target &T,  Triple::OSType _OSType, bool _isLittle) :
+    MCAsmBackend(), OSType(_OSType), IsLittle(_isLittle) {}
+
+  MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
+    return createMipsELFObjectWriter(OS, OSType, IsLittle);
+  }
 
   /// ApplyFixup - Apply the \arg Value for given \arg Fixup into the provided
   /// data fragment, at the offset specified by the fixup and following the
@@ -191,33 +197,15 @@ public:
   }
 };
 
-class MipsEB_AsmBackend : public MipsAsmBackend {
-public:
-  MipsEB_AsmBackend(const Target &T, uint8_t _OSABI)
-    : MipsAsmBackend(T, _OSABI) {}
-
-  MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
-    return createMipsELFObjectWriter(OS, /*IsLittleEndian*/ false, OSABI);
-  }
-};
-
-class MipsEL_AsmBackend : public MipsAsmBackend {
-public:
-  MipsEL_AsmBackend(const Target &T, uint8_t _OSABI)
-    : MipsAsmBackend(T, _OSABI) {}
-
-  MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
-    return createMipsELFObjectWriter(OS, /*IsLittleEndian*/ true, OSABI);
-  }
-};
 } // namespace
 
-MCAsmBackend *llvm::createMipsBEAsmBackend(const Target &T, StringRef TT) {
-  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
-  return new MipsEB_AsmBackend(T, OSABI);
+// MCAsmBackend
+MCAsmBackend *llvm::createMipsAsmBackendEL(const Target &T, StringRef TT) {
+  return new MipsAsmBackend(T, Triple(TT).getOS(),
+                            /*IsLittle*/true);
 }
 
-MCAsmBackend *llvm::createMipsLEAsmBackend(const Target &T, StringRef TT) {
-  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
-  return new MipsEL_AsmBackend(T, OSABI);
+MCAsmBackend *llvm::createMipsAsmBackendEB(const Target &T, StringRef TT) {
+  return new MipsAsmBackend(T, Triple(TT).getOS(),
+                            /*IsLittle*/false);
 }