Add big endian mips support. Based on a patch by Jack Carter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147924 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 11 deletions

diff --git a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
index bd9b6412a5..f4227f794b 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -71,7 +71,9 @@ static unsigned adjustFixupValue(unsigned Kind, uint64_t Value) {
 namespace {
 class MipsAsmBackend : public MCAsmBackend {
 public:
-  MipsAsmBackend(const Target &T) : MCAsmBackend() {}
+  uint8_t OSABI;
+  MipsAsmBackend(const Target &T, uint8_t OSABI_) :
+    MCAsmBackend(), OSABI(OSABI_) {}
 
   /// ApplyFixup - Apply the \arg Value for given \arg Fixup into the provided
   /// data fragment, at the offset specified by the fixup and following the
@@ -191,10 +193,8 @@ public:
 
 class MipsEB_AsmBackend : public MipsAsmBackend {
 public:
-  uint8_t OSABI;
-
   MipsEB_AsmBackend(const Target &T, uint8_t _OSABI)
-    : MipsAsmBackend(T), OSABI(_OSABI) {}
+    : MipsAsmBackend(T, _OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createMipsELFObjectWriter(OS, /*IsLittleEndian*/ false, OSABI);
@@ -203,10 +203,8 @@ public:
 
 class MipsEL_AsmBackend : public MipsAsmBackend {
 public:
-  uint8_t OSABI;
-
   MipsEL_AsmBackend(const Target &T, uint8_t _OSABI)
-    : MipsAsmBackend(T), OSABI(_OSABI) {}
+    : MipsAsmBackend(T, _OSABI) {}
 
   MCObjectWriter *createObjectWriter(raw_ostream &OS) const {
     return createMipsELFObjectWriter(OS, /*IsLittleEndian*/ true, OSABI);
@@ -214,11 +212,12 @@ public:
 };
 } // namespace
 
-MCAsmBackend *llvm::createMipsAsmBackend(const Target &T, StringRef TT) {
-  Triple TheTriple(TT);
+MCAsmBackend *llvm::createMipsBEAsmBackend(const Target &T, StringRef TT) {
+  uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
+  return new MipsEB_AsmBackend(T, OSABI);
+}
 
-  // just return little endian for now
-  //
+MCAsmBackend *llvm::createMipsLEAsmBackend(const Target &T, StringRef TT) {
   uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(Triple(TT).getOS());
   return new MipsEL_AsmBackend(T, OSABI);
 }