MC: Explicity track section and fragment ordinals.

[oota-llvm.git] / lib / MC / MCStreamer.cpp

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index a634f33ad34aa87a281588c26757410b0659e910..703acc4e59911775b837ed9b6fe96ef92f63e8cb 100644 (file)
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -8,11 +8,39 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCStreamer.h"
-
+#include "llvm/MC/MCExpr.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
-MCStreamer::MCStreamer(MCContext &_Context) : Context(_Context) {
+MCStreamer::MCStreamer(MCContext &_Context) : Context(_Context), CurSection(0) {
 }
 
 MCStreamer::~MCStreamer() {
 }
+
+raw_ostream &MCStreamer::GetCommentOS() {
+  // By default, discard comments.
+  return nulls();
+}
+
+
+/// EmitIntValue - Special case of EmitValue that avoids the client having to
+/// pass in a MCExpr for constant integers.
+void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
+                              unsigned AddrSpace) {
+  EmitValue(MCConstantExpr::Create(Value, getContext()), Size, AddrSpace);
+}
+
+void MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size,
+                                 unsigned AddrSpace) {
+  EmitValue(MCSymbolRefExpr::Create(Sym, getContext()), Size, AddrSpace);
+}
+
+/// EmitFill - Emit NumBytes bytes worth of the value specified by
+/// FillValue.  This implements directives such as '.space'.
+void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
+                          unsigned AddrSpace) {
+  const MCExpr *E = MCConstantExpr::Create(FillValue, getContext());
+  for (uint64_t i = 0, e = NumBytes; i != e; ++i)
+    EmitValue(E, 1, AddrSpace);
+}