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"
16 MCStreamer::MCStreamer(MCContext &_Context) : Context(_Context), CurSection(0) {
19 MCStreamer::~MCStreamer() {
22 raw_ostream &MCStreamer::GetCommentOS() {
23 // By default, discard comments.
28 /// EmitIntValue - Special case of EmitValue that avoids the client having to
29 /// pass in a MCExpr for constant integers.
30 void MCStreamer::EmitIntValue(uint64_t Value, unsigned Size,
32 EmitValue(MCConstantExpr::Create(Value, getContext()), Size, AddrSpace);
35 void MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size,
37 EmitValue(MCSymbolRefExpr::Create(Sym, getContext()), Size, AddrSpace);
40 /// EmitFill - Emit NumBytes bytes worth of the value specified by
41 /// FillValue. This implements directives such as '.space'.
42 void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
44 const MCExpr *E = MCConstantExpr::Create(FillValue, getContext());
45 for (uint64_t i = 0, e = NumBytes; i != e; ++i)
46 EmitValue(E, 1, AddrSpace);
49 /// EmitRawText - If this file is backed by a assembly streamer, this dumps
50 /// the specified string in the output .s file. This capability is
51 /// indicated by the hasRawTextSupport() predicate.
52 void MCStreamer::EmitRawText(StringRef String) {
53 errs() << "EmitRawText called on an MCStreamer that doesn't support it, "
54 " something must not be fully mc'ized\n";