MC: Change MCAsmBackend::writeNopData() to take a raw_ostream instead of an MCObjectWriter. NFCI.

To make this work I needed to add an endianness field to MCAsmBackend
so that writeNopData() implementations know which endianness to use.

Part of PR37466.

Differential Revision: https://reviews.llvm.org/D47035

llvm-svn: 332857

1 files changed, 9 insertions, 9 deletions

diff --git a/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp b/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
index f2438ee4307..d131d4dc13e 100644
--- a/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
+++ b/llvm/lib/Target/Sparc/MCTargetDesc/SparcAsmBackend.cpp
@@ -100,14 +100,13 @@ namespace {
   class SparcAsmBackend : public MCAsmBackend {
   protected:
     const Target &TheTarget;
-    bool IsLittleEndian;
     bool Is64Bit;
 
   public:
     SparcAsmBackend(const Target &T)
-        : MCAsmBackend(), TheTarget(T),
-          IsLittleEndian(StringRef(TheTarget.getName()) == "sparcel"),
-          Is64Bit(StringRef(TheTarget.getName()) == "sparcv9") {}
+        : MCAsmBackend(StringRef(T.getName()) == "sparcel" ? support::little
+                                                           : support::big),
+          TheTarget(T), Is64Bit(StringRef(TheTarget.getName()) == "sparcv9") {}
 
     unsigned getNumFixupKinds() const override {
       return Sparc::NumTargetFixupKinds;
@@ -197,7 +196,7 @@ namespace {
 
       assert(unsigned(Kind - FirstTargetFixupKind) < getNumFixupKinds() &&
              "Invalid kind!");
-      if (IsLittleEndian)
+      if (Endian == support::little)
         return InfosLE[Kind - FirstTargetFixupKind];
 
       return InfosBE[Kind - FirstTargetFixupKind];
@@ -255,14 +254,14 @@ namespace {
       llvm_unreachable("relaxInstruction() unimplemented");
     }
 
-    bool writeNopData(uint64_t Count, MCObjectWriter *OW) const override {
+    bool writeNopData(raw_ostream &OS, uint64_t Count) const override {
       // Cannot emit NOP with size not multiple of 32 bits.
       if (Count % 4 != 0)
         return false;
 
       uint64_t NumNops = Count / 4;
       for (uint64_t i = 0; i != NumNops; ++i)
-        OW->write32(0x01000000);
+        support::endian::write<uint32_t>(OS, 0x01000000, Endian);
 
       return true;
     }
@@ -287,7 +286,7 @@ namespace {
       // from the fixup value. The Value has been "split up" into the
       // appropriate bitfields above.
       for (unsigned i = 0; i != 4; ++i) {
-        unsigned Idx = IsLittleEndian ? i : 3 - i;
+        unsigned Idx = Endian == support::little ? i : 3 - i;
         Data[Offset + Idx] |= uint8_t((Value >> (i * 8)) & 0xff);
       }
     }
@@ -295,7 +294,8 @@ namespace {
     std::unique_ptr<MCObjectWriter>
     createObjectWriter(raw_pwrite_stream &OS) const override {
       uint8_t OSABI = MCELFObjectTargetWriter::getOSABI(OSType);
-      return createSparcELFObjectWriter(OS, Is64Bit, IsLittleEndian, OSABI);
+      return createSparcELFObjectWriter(OS, Is64Bit,
+                                        Endian == support::little, OSABI);
     }
   };