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

2 files changed, 4 insertions, 5 deletions

diff --git a/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.cpp b/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.cpp
index 2f5e9f02e53..28c3e0af2ea 100644
--- a/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.cpp
+++ b/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.cpp
@@ -453,13 +453,13 @@ MCFixupKindInfo const &AVRAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
   return Infos[Kind - FirstTargetFixupKind];
 }
 
-bool AVRAsmBackend::writeNopData(uint64_t Count, MCObjectWriter *OW) const {
+bool AVRAsmBackend::writeNopData(raw_ostream &OS, uint64_t Count) const {
   // If the count is not 2-byte aligned, we must be writing data into the text
   // section (otherwise we have unaligned instructions, and thus have far
   // bigger problems), so just write zeros instead.
   assert((Count % 2) == 0 && "NOP instructions must be 2 bytes");
 
-  OW->WriteZeros(Count);
+  OS.write_zeros(Count);
   return true;
 }
 
diff --git a/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.h b/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.h
index af615df033a..2d35f1a2bc0 100644
--- a/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.h
+++ b/llvm/lib/Target/AVR/MCTargetDesc/AVRAsmBackend.h
@@ -31,9 +31,8 @@ struct MCFixupKindInfo;
 /// Utilities for manipulating generated AVR machine code.
 class AVRAsmBackend : public MCAsmBackend {
 public:
-
   AVRAsmBackend(Triple::OSType OSType)
-      : MCAsmBackend(), OSType(OSType) {}
+      : MCAsmBackend(support::little), OSType(OSType) {}
 
   void adjustFixupValue(const MCFixup &Fixup, const MCValue &Target,
                         uint64_t &Value, MCContext *Ctx = nullptr) const;
@@ -62,7 +61,7 @@ public:
   void relaxInstruction(const MCInst &Inst, const MCSubtargetInfo &STI,
                         MCInst &Res) const override {}
 
-  bool writeNopData(uint64_t Count, MCObjectWriter *OW) const override;
+  bool writeNopData(raw_ostream &OS, uint64_t Count) const override;
 
   bool shouldForceRelocation(const MCAssembler &Asm, const MCFixup &Fixup,
                              const MCValue &Target) override;