1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index 5fbecb4..c85ffd5 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -162,6 +162,8 @@ public:
   void EmitTBSSSymbol(MCSection *Section, MCSymbol *Symbol, uint64_t Size,
                       unsigned ByteAlignment = 0) override;
 
+  void EmitBinaryData(StringRef Data) override;
+
   void EmitBytes(StringRef Data) override;
 
   void EmitValueImpl(const MCExpr *Value, unsigned Size,
@@ -709,6 +711,20 @@ void MCAsmStreamer::EmitBytes(StringRef Data) {
   EmitEOL();
 }
 
+void MCAsmStreamer::EmitBinaryData(StringRef Data) {
+  // This is binary data. Print it in a grid of hex bytes for readability.
+  const size_t Cols = 4;
+  for (size_t I = 0, EI = alignTo(Data.size(), Cols); I < EI; I += Cols) {
+    size_t J = I, EJ = std::min(I + Cols, Data.size());
+    assert(EJ > 0);
+    OS << MAI->getData8bitsDirective();
+    for (; J < EJ - 1; ++J)
+      OS << format("0x%02x", uint8_t(Data[J])) << ", ";
+    OS << format("0x%02x", uint8_t(Data[J]));
+    EmitEOL();
+  }
+}
+
 void MCAsmStreamer::EmitIntValue(uint64_t Value, unsigned Size) {
   EmitValue(MCConstantExpr::create(Value, getContext()), Size);
 }