MCStreamer.cpp revision f0a0d578089572be37063bbe37063edb28148159
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 10d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/MC/MCStreamer.h" 11d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/ADT/SmallString.h" 12d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/ADT/Twine.h" 130bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola#include "llvm/MC/MCAsmInfo.h" 14af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola#include "llvm/MC/MCContext.h" 15ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner#include "llvm/MC/MCExpr.h" 16c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby#include "llvm/MC/MCObjectWriter.h" 17ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola#include "llvm/MC/MCSymbol.h" 18484291c27319668ad99cb87def000254357736fbRafael Espindola#include "llvm/Support/ErrorHandling.h" 192d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach#include "llvm/Support/LEB128.h" 20d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/Support/raw_ostream.h" 213580dea910d622f2a6dbb72e97f5f7d0ef979542Chris Lattner#include <cstdlib> 22a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbarusing namespace llvm; 23a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 245da3665cc501ed8928e63678254357214ec0b9ebChandler CarruthMCStreamer::MCStreamer(StreamerKind Kind, MCContext &Ctx) 255da3665cc501ed8928e63678254357214ec0b9ebChandler Carruth : Kind(Kind), Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false), 265da3665cc501ed8928e63678254357214ec0b9ebChandler Carruth CurrentW64UnwindInfo(0), LastSymbol(0), AutoInitSections(false) { 27df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 28a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 29a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 30a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 314eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 324eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis delete W64UnwindInfos[i]; 33a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 34ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 355399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigasvoid MCStreamer::reset() { 365399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 375399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas delete W64UnwindInfos[i]; 388cb6b971601d42a27e40f0f1d4828671441989f5Charles Davis W64UnwindInfos.clear(); 395399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitEHFrame = true; 405399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitDebugFrame = false; 415399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas CurrentW64UnwindInfo = 0; 425399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas LastSymbol = 0; 435399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas SectionStack.clear(); 44df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 455399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas} 465399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas 47a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 48a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 49a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 50a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 51a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 52a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 53a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 54a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 55a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 56a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 57a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 58a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 59a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 60a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { 6199cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling if (Context.getAsmInfo()->hasAggressiveSymbolFolding() || 6278ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola isa<MCSymbolRefExpr>(Expr)) 63a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return Expr; 64a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola 65a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 66a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitAssignment(ABS, Expr); 67a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 68a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 69a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 70d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 71d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 72d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 73d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 74d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 7532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 7632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 7732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 7832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 7932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 8032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 8132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 8232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 8332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 8432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 8532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 86d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 8732ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 8832ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 89a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size) { 90dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 91818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 92818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 932df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 9499cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling const bool isLittleEndian = Context.getAsmInfo()->isLittleEndian(); 9565891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky for (unsigned i = 0; i != Size; ++i) { 9665891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky unsigned index = isLittleEndian ? i : (Size - i - 1); 9765891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky buf[i] = uint8_t(Value >> (index * 8)); 9865891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky } 99a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(StringRef(buf, Size)); 10032ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 10132ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 1023ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 1033ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 104a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned Padding) { 105b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 106660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1072d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeULEB128(Value, OSE, Padding); 108a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 109c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 110c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1113ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 1123ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 113a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value) { 114b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 115660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1162d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeSLEB128(Value, OSE); 117a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 118c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 119c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 120a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size) { 121a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola const MCExpr *ABS = ForceExpAbs(Value); 122a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(ABS, Size); 1230bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1240bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 12589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 126a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size) { 127a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(Value, Size); 12889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 12989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 130a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size) { 131a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size); 13289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 13389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1346c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanakavoid MCStreamer::EmitGPRel64Value(const MCExpr *Value) { 1356c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka report_fatal_error("unsupported directive in streamer"); 1366c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka} 1376c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka 1383e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1393e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1403e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1413e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 142ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 143ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 144a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue) { 145ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 146ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 147a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(E, 1); 148ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 14991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 150a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola/// The implementation in this class just redirects to EmitFill. 151a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitZeros(uint64_t NumBytes) { 152a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitFill(NumBytes, 0); 153b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov} 154b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov 155af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 15644d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky StringRef Directory, 1573de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren StringRef Filename, unsigned CUID) { 1583de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren return getContext().GetDwarfFile(Directory, Filename, FileNo, CUID) == 0; 159af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 160af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 161af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 162af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 163af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1643f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1653f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 166af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 167af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 168af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 169af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 17089b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 17189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 172242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return 0; 17389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 17489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 17589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 17689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 17789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 17889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 17989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 18089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1828bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1838bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1848bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1858bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 186ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 187ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 188df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 189df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne Symbol->setSection(*getCurrentSection().first); 19049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola LastSymbol = Symbol; 191ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 192ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 1932c3a4641a7785da78839caf574277df9cd93b52cReed Kotlervoid MCStreamer::EmitDebugLabel(MCSymbol *Symbol) { 1942c3a4641a7785da78839caf574277df9cd93b52cReed Kotler assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 195df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 196df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne Symbol->setSection(*getCurrentSection().first); 1972c3a4641a7785da78839caf574277df9cd93b52cReed Kotler LastSymbol = Symbol; 1982c3a4641a7785da78839caf574277df9cd93b52cReed Kotler} 1992c3a4641a7785da78839caf574277df9cd93b52cReed Kotler 200d967578a8c506be341d20a1558eebb31484b8b6dBill Wendlingvoid MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) { 201d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling EnsureValidFrame(); 202d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 203d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling CurFrame->CompactUnwindEncoding = CompactUnwindEncoding; 204d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling} 205d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling 206f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 207713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 208f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 209f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 210f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 211f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 212066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 21389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 214066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 21589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 21649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 2175fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng MCDwarfFrameInfo Frame; 218547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola EmitCFIStartProcImpl(Frame); 219547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 220547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola FrameInfos.push_back(Frame); 221547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 22249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 223547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { 224547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 225547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 226547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { 227547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola Frame.Function = LastSymbol; 22849cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // If the function is externally visible, we need to create a local 22949cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // symbol to avoid relocations. 23099cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling StringRef Prefix = getContext().getAsmInfo()->getPrivateGlobalPrefix(); 2315fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { 23249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = LastSymbol; 23349cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } else { 23449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 23549cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola EmitLabel(Frame.Begin); 23649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } 237cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 238cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 239066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 24089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 24189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2421fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitCFIEndProcImpl(*CurFrame); 2431fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2441fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2451fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { 2461fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2471fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2481fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { 2491fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola Frame.End = getContext().CreateTempSymbol(); 2501fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitLabel(Frame.End); 251cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 252cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 253529a01df02ad221e8e55097a8ee36b85234eb078Rafael EspindolaMCSymbol *MCStreamer::EmitCFICommon() { 254b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 255b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 256b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 257529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola return Label; 258529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola} 259529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola 260529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 261529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 26228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 26328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfa(Label, Register, Offset); 264529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 265b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 266b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 267b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 268066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 269529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 27028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 27128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaOffset(Label, Offset); 272529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 273fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 274cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 275cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 2765d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 277529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 27828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 27928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment); 280529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2815d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 2825d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 2835d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 284066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 285529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 28628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 28728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaRegister(Label, Register); 288529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 289b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 290cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 291cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 292066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 293529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 29428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 2957f74d2c2c197eec76ae2b41fed9c227c0dcc04cbRafael Espindola MCCFIInstruction::createOffset(Label, Register, Offset); 296529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 297b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 298cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 299cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 30025f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 301529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 30228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 30328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRelOffset(Label, Register, Offset); 304529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 30525f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 30625f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 30725f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 308066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 3093a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 31089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 31189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 31289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 3133a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 314cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 315cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 316066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 31789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 31889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 31989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 320bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 321cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 322cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 323066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 324529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 32528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label); 326529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 327fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 328fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 329fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 330066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 331fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 332529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 33328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label); 334529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 335fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 336fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 337fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 338c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 339529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 34028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 34128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createSameValue(Label, Register); 342529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 343c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 344c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 345c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 346ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindolavoid MCStreamer::EmitCFIRestore(int64_t Register) { 347529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 34828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 34928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRestore(Label, Register); 350529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 351ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola CurFrame->Instructions.push_back(Instruction); 352ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola} 353ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola 3546f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindolavoid MCStreamer::EmitCFIEscape(StringRef Values) { 355529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 35628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values); 357529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3586f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola CurFrame->Instructions.push_back(Instruction); 3596f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola} 3606f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola 36116d7d437e03ce87fdaef7971919302920d54a966Rafael Espindolavoid MCStreamer::EmitCFISignalFrame() { 36216d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola EnsureValidFrame(); 36316d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 36416d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola CurFrame->IsSignalFrame = true; 36516d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola} 36616d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola 367c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindolavoid MCStreamer::EmitCFIUndefined(int64_t Register) { 368529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 36928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 37028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createUndefined(Label, Register); 371529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 372c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola CurFrame->Instructions.push_back(Instruction); 373c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola} 374c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola 375f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindolavoid MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { 376f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCSymbol *Label = EmitCFICommon(); 377f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction Instruction = 378f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction::createRegister(Label, Register1, Register2); 379f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 380f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola CurFrame->Instructions.push_back(Instruction); 381f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola} 382f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola 38391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 384ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis W64UnwindInfos.push_back(Frame); 385ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis CurrentW64UnwindInfo = W64UnwindInfos.back(); 3869c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 3879c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 3880855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 38991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3900855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 3910855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 3920855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 3930855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 394fbc539ff37ddd08c2480be9185e7a40919ce8940Charles Davisvoid MCStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { 39591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3960855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 3970855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 3984eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 399ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 400ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = Symbol; 401ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 402ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 4030855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4040855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 4050855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 4060855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 40791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 40891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 4090855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 4100855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 4110855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 412ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 413ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 414440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 41591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 4164eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 41791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 418ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 419ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = CurFrame->Function; 420ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->ChainedParent = CurFrame; 421ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 422ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 423f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 424f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 425440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 42691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 42791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 42891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 42991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 43091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 43191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 43291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 433f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 434f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 435440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 436440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 437440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 438440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 43981f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 44081f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 441440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 442321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (!Except && !Unwind) 443440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 444321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Unwind) 445321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesUnwind = true; 446321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Except) 447321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesExceptions = true; 448440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 449440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 450440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 451d0b76d00048352affac4fad0ef005e28f5340b76Charles Davis EnsureValidW64UnwindInfo(); 45281f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 45381f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 45481f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 455f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 456f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 457c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 458c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 459c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 460c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 461c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register); 462c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 463c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 464f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 465f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 466c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 467c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 468c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 469c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->LastFrameInst >= 0) 470c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("Frame register and offset already specified!"); 471edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 472edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned frame pointer offset!"); 473f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCSymbol *Label = getContext().CreateTempSymbol(); 474f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Label, Register, Offset); 475f0a0d578089572be37063bbe37063edb28148159Kai Nacke EmitLabel(Label); 4765c2256a5719172273eaef198f92d8af924ff8623Charles Davis CurFrame->LastFrameInst = CurFrame->Instructions.size(); 477c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 478ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 479ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 480c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 481c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 482edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Size & 7) 483edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned stack allocation!"); 484c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 485c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 486c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Label, Size); 487c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 488c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 489ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 490ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 491c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 492c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 493edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 7) 494edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved register offset!"); 495c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 496c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 497c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 498c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol, 499c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 500c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 501c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 502ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 503ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 504c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 505c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 506edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 507edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved vector register offset!"); 508c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 509c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 510c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 511c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128, 512c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 513c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 514c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 515ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 516ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 517440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 518c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 519c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 520c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->Instructions.size() > 0) 521c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("If present, PushMachFrame must be the first UOP"); 522c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 523c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code); 524c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 525c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 526ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 527ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 528440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 52961558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 53061558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 53161558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 53261558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 533cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 534cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 5358f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindolavoid MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { 536858143816d43e58b17bfd11cb1b57afbd7f0f893Craig Topper llvm_unreachable("This file format doesn't support this directive"); 5378f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola} 5388f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola 539b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnStart() { 540b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 541b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 542b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 543b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 544b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnEnd() { 545b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 546b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 547b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 548b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 549b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitCantUnwind() { 550b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 551b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 552b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 553b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 554b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitHandlerData() { 555b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 556b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 557b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 558b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 559b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitPersonality(const MCSymbol *Personality) { 560b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 561b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 562b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 563b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 56457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { 56557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 56657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 56757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 56857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 56957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitPad(int64_t Offset) { 57057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 57157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 57257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 57357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 57457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool) { 57557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 57657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 57757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 57857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 579f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanellavoid MCStreamer::EmitTCEntry(const MCSymbol &S) { 580f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella llvm_unreachable("Unsupported method"); 581f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella} 582f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella 583ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 58491bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 58591bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 58691bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 58791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 58891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 58991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 59091bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 59158bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 59258bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 59358bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 59458bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 59558bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 59658bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 597c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 598c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindolavoid MCStreamer::EmitFrames(bool usingCFI) { 599c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 600c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 601c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 602c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 60340a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, true); 60440a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 60540a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 60640a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, false); 607c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 60838ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 60938ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davisvoid MCStreamer::EmitW64Tables() { 61038ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis if (!getNumW64UnwindInfos()) 61138ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis return; 61238ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 61338ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis MCWin64EHUnwindEmitter::Emit(*this); 61438ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis} 61599b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 61699b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindolavoid MCStreamer::Finish() { 61799b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola if (!FrameInfos.empty() && !FrameInfos.back().End) 61899b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola report_fatal_error("Unfinished frame!"); 61999b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 62099b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola FinishImpl(); 62199b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola} 62277afbdce53aa740777486b0cc4e9df151ae65468Jack Carter 62377afbdce53aa740777486b0cc4e9df151ae65468Jack CarterMCSymbolData &MCStreamer::getOrCreateSymbolData(MCSymbol *Symbol) { 62477afbdce53aa740777486b0cc4e9df151ae65468Jack Carter report_fatal_error("Not supported!"); 625242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return *(static_cast<MCSymbolData*>(0)); 62677afbdce53aa740777486b0cc4e9df151ae65468Jack Carter} 627