1 //===- lib/MC/MCStreamer.cpp - Streaming Machine Code Output --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/MC/MCStreamer.h"
11 #include "llvm/MC/MCExpr.h"
12 #include "llvm/Support/raw_ostream.h"
13 #include "llvm/ADT/SmallString.h"
14 #include "llvm/ADT/Twine.h"
18 MCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), CurSection(0),
22 MCStreamer::~MCStreamer() {
25 raw_ostream &MCStreamer::GetCommentOS() {
26 // By default, discard comments.
31 /// EmitIntValue - Special case of EmitValue that avoids the client having to
32 /// pass in a MCExpr for constant integers.
33 void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
35 EmitValue(MCConstantExpr::Create(Value, getContext()), Size, AddrSpace);
38 void MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size,
40 EmitValue(MCSymbolRefExpr::Create(Sym, getContext()), Size, AddrSpace);
43 /// EmitFill - Emit NumBytes bytes worth of the value specified by
44 /// FillValue. This implements directives such as '.space'.
45 void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
47 const MCExpr *E = MCConstantExpr::Create(FillValue, getContext());
48 for (uint64_t i = 0, e = NumBytes; i != e; ++i)
49 EmitValue(E, 1, AddrSpace);
52 /// EmitRawText - If this file is backed by an assembly streamer, this dumps
53 /// the specified string in the output .s file. This capability is
54 /// indicated by the hasRawTextSupport() predicate.
55 void MCStreamer::EmitRawText(StringRef String) {
56 errs() << "EmitRawText called on an MCStreamer that doesn't support it, "
57 " something must not be fully mc'ized\n";
61 void MCStreamer::EmitRawText(const Twine &T) {
64 EmitRawText(Str.str());