MCStreamer.cpp revision 3a83c40ab61d5ca624f2bbadd70237c6adbdb304
1a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===- lib/MC/MCStreamer.cpp - Streaming Machine Code Output --------------===// 2a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 3a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// The LLVM Compiler Infrastructure 4a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 5a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// This file is distributed under the University of Illinois Open Source 6a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// License. See LICENSE.TXT for details. 7a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 8a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===----------------------------------------------------------------------===// 9a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 100bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola#include "llvm/MC/MCAsmInfo.h" 11af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola#include "llvm/MC/MCContext.h" 12a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar#include "llvm/MC/MCStreamer.h" 13ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner#include "llvm/MC/MCExpr.h" 14c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby#include "llvm/MC/MCObjectWriter.h" 15484291c27319668ad99cb87def000254357736fbRafael Espindola#include "llvm/Support/ErrorHandling.h" 16d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner#include "llvm/Support/raw_ostream.h" 1758bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner#include "llvm/ADT/SmallString.h" 1858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner#include "llvm/ADT/Twine.h" 193580dea910d622f2a6dbb72e97f5f7d0ef979542Chris Lattner#include <cstdlib> 20a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbarusing namespace llvm; 21a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 221674b0b0e4972b844833f253286cbf99a6e99d6eBenjamin KramerMCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), CurSection(0), 231674b0b0e4972b844833f253286cbf99a6e99d6eBenjamin Kramer PrevSection(0) { 24a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 25a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 26a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 27a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 28ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 29d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 30d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 31d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 32d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 33d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 3432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 3532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 3632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 3732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 3832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 3932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 4032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 4132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 4232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 4332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 4432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 45d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 4632ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 4732ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 4832ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattnervoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size, 4932ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner unsigned AddrSpace) { 50dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 51818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 52818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 532df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 542df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola // FIXME: Endianness assumption. 552df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola for (unsigned i = 0; i != Size; ++i) 562df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola buf[i] = uint8_t(Value >> (i * 8)); 572df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola EmitBytes(StringRef(buf, Size), AddrSpace); 5832ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 5932ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 603ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 613ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 623ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace) { 63660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 64660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 65660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola MCObjectWriter::EncodeULEB128(Value, OSE); 66660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 67c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 68c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 693ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 703ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 713ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value, unsigned AddrSpace) { 72660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 73660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 74660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola MCObjectWriter::EncodeSLEB128(Value, OSE); 75660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 76c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 77c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 780bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size, 790bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola unsigned AddrSpace) { 8090a5a0cd7c353651c953020b1e41b4c6e2f21883Rafael Espindola if (getContext().getAsmInfo().hasAggressiveSymbolFolding()) { 810bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitValue(Value, Size, AddrSpace); 820bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola return; 830bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola } 840bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola MCSymbol *ABS = getContext().CreateTempSymbol(); 850bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitAssignment(ABS, Value); 860bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitSymbolValue(ABS, Size, AddrSpace); 870bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 880bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 8989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 9089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size, 9189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 9289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitValueImpl(Value, Size, false, AddrSpace); 9389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 9489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 9589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitPCRelValue(const MCExpr *Value, unsigned Size, 9689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 9789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitValueImpl(Value, Size, true, AddrSpace); 9889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 9989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 10089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, 10189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola bool isPCRel, unsigned AddrSpace) { 10289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size, isPCRel, 10389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola AddrSpace); 10489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 10589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1066cde3e6e993126df756e3be5b9ef43540b904644Chris Lattnervoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, 1076cde3e6e993126df756e3be5b9ef43540b904644Chris Lattner unsigned AddrSpace) { 10889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitSymbolValue(Sym, Size, false, AddrSpace); 10989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 11089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 11189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitPCRelSymbolValue(const MCSymbol *Sym, unsigned Size, 11289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 11389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitSymbolValue(Sym, Size, true, AddrSpace); 1146cde3e6e993126df756e3be5b9ef43540b904644Chris Lattner} 1156cde3e6e993126df756e3be5b9ef43540b904644Chris Lattner 1163e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1173e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1183e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1193e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 120ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 121ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 122aaec205b87637cd0d59d4f11630db603686eb73dChris Lattnervoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, 123aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner unsigned AddrSpace) { 124ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 125ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 126aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner EmitValue(E, 1, AddrSpace); 127ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 12891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 129af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 130af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola StringRef Filename) { 131af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola return getContext().GetDwarfFile(Filename, FileNo) == 0; 132af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 133af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 134af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 135af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 136af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 137af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Discriminator) { 138af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 139af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 140af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 141af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 14289b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 14389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 14489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return NULL; 14589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 14689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 14789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 14889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 14989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 15089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 15189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 15289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 15389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 154cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFIStartProc() { 15589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 15689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (CurFrame && !CurFrame->End) { 15789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 15889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return true; 15989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola } 16089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo Frame = {0, 0, 0, 0}; 16189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 16289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitLabel(Frame.Begin); 16389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola FrameInfos.push_back(Frame); 164cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 165cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 166cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 167cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFIEndProc() { 16889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 16989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 17089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->End = getContext().CreateTempSymbol(); 17189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitLabel(CurFrame->End); 172cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 173cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 174cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 175cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 17689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 177cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 178cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 179cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 180cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 18189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 182cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 183cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 184cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 185cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 18689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 187cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 188cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 189cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 1903a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindolabool MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 1913a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 19289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 19389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 19489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 1953a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 196cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 197cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 198cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 199cdfecc8759941c2996214070478d30084b79d463Rafael Espindolabool MCStreamer::EmitCFILsda(const MCSymbol *Sym) { 20089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 20189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 20289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 203cdfecc8759941c2996214070478d30084b79d463Rafael Espindola return false; 204cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 205cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 206ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 20791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 20891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 20991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 21091bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 21191bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 21291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 21391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 21458bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 21558bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 21658bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 21758bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 21858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 21958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 220