commit 1ee768db53dfbaab76f56c11fdc73d3e2e8c3996
author Akira Hatanaka <ahatanaka@mips.com> Thu Mar 01 01:53:15 2012 +0000
committer Akira Hatanaka <ahatanaka@mips.com> Thu Mar 01 01:53:15 2012 +0000
tree e90200fa962150d84286c6e49005012db2778f0b
parent abe8c09b2005185d7a9a10679f4f13e68eeb2841

Pass endian information to constructors. Define separate functions to create
objects for big endian and little endian targets.

Patch by Jack Carter.

llvm-svn: 151788

llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp

diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index ca60225..d69570b 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -70,10 +70,16 @@
 
 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 @@
   }
 };
 
-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);
 }