MCStreamer.cpp revision 5759c3a02902026a27a0d1bc24a5bad85f52bd71
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" 13c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling#include "llvm/MC/MCAsmBackend.h" 140bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola#include "llvm/MC/MCAsmInfo.h" 15af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola#include "llvm/MC/MCContext.h" 16ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner#include "llvm/MC/MCExpr.h" 17c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby#include "llvm/MC/MCObjectWriter.h" 18ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola#include "llvm/MC/MCSymbol.h" 19484291c27319668ad99cb87def000254357736fbRafael Espindola#include "llvm/Support/ErrorHandling.h" 202d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach#include "llvm/Support/LEB128.h" 21d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/Support/raw_ostream.h" 223580dea910d622f2a6dbb72e97f5f7d0ef979542Chris Lattner#include <cstdlib> 23a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbarusing namespace llvm; 24a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 25320296a4cfe414ce59f406b8a5ce15272f563103Rafael EspindolaMCTargetStreamer::~MCTargetStreamer() {} 26320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola 27320296a4cfe414ce59f406b8a5ce15272f563103Rafael EspindolaMCStreamer::MCStreamer(MCContext &Ctx, MCTargetStreamer *TargetStreamer) 28320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola : Context(Ctx), TargetStreamer(TargetStreamer), EmitEHFrame(true), 29320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola EmitDebugFrame(false), CurrentW64UnwindInfo(0), LastSymbol(0), 30320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola AutoInitSections(false) { 31df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 32320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola if (TargetStreamer) 33320296a4cfe414ce59f406b8a5ce15272f563103Rafael Espindola TargetStreamer->setStreamer(this); 34a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 35a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 36a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 374eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 384eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis delete W64UnwindInfos[i]; 39a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 40ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 415399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigasvoid MCStreamer::reset() { 425399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 435399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas delete W64UnwindInfos[i]; 448cb6b971601d42a27e40f0f1d4828671441989f5Charles Davis W64UnwindInfos.clear(); 455399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitEHFrame = true; 465399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitDebugFrame = false; 475399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas CurrentW64UnwindInfo = 0; 485399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas LastSymbol = 0; 495399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas SectionStack.clear(); 50df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 515399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas} 525399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas 53a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 54a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 55a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 56a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 57a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 58a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 59a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 60a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 61a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 62a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 63a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 64a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 65a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 66a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { 6799cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling if (Context.getAsmInfo()->hasAggressiveSymbolFolding() || 6878ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola isa<MCSymbolRefExpr>(Expr)) 69a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return Expr; 70a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola 71a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 72a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitAssignment(ABS, Expr); 73a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 74a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 75a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 76d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 77d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 78d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 79c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling} 80c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling 81da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendlingvoid MCStreamer::generateCompactUnwindEncodings(MCAsmBackend *MAB) { 82c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling for (std::vector<MCDwarfFrameInfo>::iterator I = FrameInfos.begin(), 83c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling E = FrameInfos.end(); I != E; ++I) 84da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling I->CompactUnwindEncoding = 851d5ad97531a0213f06cc526a0c8ea7b2150f6accBill Wendling (MAB ? MAB->generateCompactUnwindEncoding(I->Instructions) : 0); 86d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 87d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 8832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 8932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 9032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 9132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 9232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 9332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 9432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 9532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 9632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 9732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 9832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 99d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 10032ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 10132ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 102a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size) { 103dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 104818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 105818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 1062df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 10799cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling const bool isLittleEndian = Context.getAsmInfo()->isLittleEndian(); 10865891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky for (unsigned i = 0; i != Size; ++i) { 10965891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky unsigned index = isLittleEndian ? i : (Size - i - 1); 11065891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky buf[i] = uint8_t(Value >> (index * 8)); 11165891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky } 112a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(StringRef(buf, Size)); 11332ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 11432ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 1153ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 1163ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 117a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned Padding) { 118b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 119660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1202d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeULEB128(Value, OSE, Padding); 121a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 122c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 123c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1243ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 1253ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 126a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value) { 127b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 128660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1292d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeSLEB128(Value, OSE); 130a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 131c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 132c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 133a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size) { 134a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola const MCExpr *ABS = ForceExpAbs(Value); 135a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(ABS, Size); 1360bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1370bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 13889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 139a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size) { 140a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(Value, Size); 14189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 14289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 143a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size) { 144a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size); 14589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 14689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1476c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanakavoid MCStreamer::EmitGPRel64Value(const MCExpr *Value) { 1486c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka report_fatal_error("unsupported directive in streamer"); 1496c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka} 1506c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka 1513e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1523e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1533e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1543e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 155ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 156ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 157a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue) { 158ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 159ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 160a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(E, 1); 161ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 16291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 163a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola/// The implementation in this class just redirects to EmitFill. 164a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitZeros(uint64_t NumBytes) { 165a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitFill(NumBytes, 0); 166b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov} 167b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov 168af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 16944d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky StringRef Directory, 1703de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren StringRef Filename, unsigned CUID) { 1713de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren return getContext().GetDwarfFile(Directory, Filename, FileNo, CUID) == 0; 172af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 173af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 174af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 175af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 176af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1773f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1783f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 179af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 180af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 181af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 182af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 18389b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 18489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 185242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return 0; 18689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 18789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 18989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 19089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 19189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 19289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 19389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 19489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1958bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1968bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1978bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1988bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 1995cc319a42a914b24b164a94d9a563c728a7a4026Richard Mittonvoid MCStreamer::AssignSection(MCSymbol *Symbol, const MCSection *Section) { 2005cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton if (Section) 2015cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton Symbol->setSection(*Section); 2025cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton else 2035cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton Symbol->setUndefined(); 2045cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton 2055cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton // As we emit symbols into a section, track the order so that they can 2065cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton // be sorted upon later. Zero is reserved to mean 'unemitted'. 2075cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton SymbolOrdering[Symbol] = 1 + SymbolOrdering.size(); 2085cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton} 2095cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton 210ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 211ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 212df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 2135cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton AssignSection(Symbol, getCurrentSection().first); 21449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola LastSymbol = Symbol; 215ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 216ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 2172c3a4641a7785da78839caf574277df9cd93b52cReed Kotlervoid MCStreamer::EmitDebugLabel(MCSymbol *Symbol) { 2182c3a4641a7785da78839caf574277df9cd93b52cReed Kotler assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 219df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 2205cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton AssignSection(Symbol, getCurrentSection().first); 2212c3a4641a7785da78839caf574277df9cd93b52cReed Kotler LastSymbol = Symbol; 2222c3a4641a7785da78839caf574277df9cd93b52cReed Kotler} 2232c3a4641a7785da78839caf574277df9cd93b52cReed Kotler 224d967578a8c506be341d20a1558eebb31484b8b6dBill Wendlingvoid MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) { 225d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling EnsureValidFrame(); 226d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 227d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling CurFrame->CompactUnwindEncoding = CompactUnwindEncoding; 228d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling} 229d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling 230f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 231713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 232f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 233f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 234f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 235f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 236066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 23789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 238066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 23989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 24049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 2415fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng MCDwarfFrameInfo Frame; 242547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola EmitCFIStartProcImpl(Frame); 243547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 244547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola FrameInfos.push_back(Frame); 245547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 24649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 247547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { 248547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 249547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 250547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { 251547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola Frame.Function = LastSymbol; 25249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // If the function is externally visible, we need to create a local 25349cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // symbol to avoid relocations. 25499cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling StringRef Prefix = getContext().getAsmInfo()->getPrivateGlobalPrefix(); 2555fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { 25649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = LastSymbol; 25749cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } else { 25849cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 25949cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola EmitLabel(Frame.Begin); 26049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } 261cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 262cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 263066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 26489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 26589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2661fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitCFIEndProcImpl(*CurFrame); 2671fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2681fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2691fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { 2701fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2711fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2721fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { 2731fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola Frame.End = getContext().CreateTempSymbol(); 2741fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitLabel(Frame.End); 275cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 276cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 277529a01df02ad221e8e55097a8ee36b85234eb078Rafael EspindolaMCSymbol *MCStreamer::EmitCFICommon() { 278b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 279b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 280b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 281529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola return Label; 282529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola} 283529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola 284529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 285529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 28628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 28728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfa(Label, Register, Offset); 288529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 289b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 290b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 291b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 292066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 293529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 29428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 29528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaOffset(Label, Offset); 296529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 297fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 298cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 299cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 3005d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 301529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 30228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 30328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment); 304529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3055d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 3065d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 3075d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 308066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 309529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 31028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 31128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaRegister(Label, Register); 312529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 313b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 314cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 315cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 316066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 317529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 31828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 3197f74d2c2c197eec76ae2b41fed9c227c0dcc04cbRafael Espindola MCCFIInstruction::createOffset(Label, Register, Offset); 320529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 321b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 322cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 323cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 32425f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 325529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 32628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 32728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRelOffset(Label, Register, Offset); 328529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 32925f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 33025f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 33125f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 332066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 3333a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 33489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 33589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 33689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 3373a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 338cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 339cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 340066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 34189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 34289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 34389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 344bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 345cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 346cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 347066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 348529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 34928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label); 350529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 351fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 352fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 353fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 354066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 355fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 356529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 35728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label); 358529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 359fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 360fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 361fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 362c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 363529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 36428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 36528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createSameValue(Label, Register); 366529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 367c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 368c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 369c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 370ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindolavoid MCStreamer::EmitCFIRestore(int64_t Register) { 371529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 37228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 37328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRestore(Label, Register); 374529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 375ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola CurFrame->Instructions.push_back(Instruction); 376ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola} 377ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola 3786f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindolavoid MCStreamer::EmitCFIEscape(StringRef Values) { 379529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 38028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values); 381529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3826f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola CurFrame->Instructions.push_back(Instruction); 3836f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola} 3846f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola 38516d7d437e03ce87fdaef7971919302920d54a966Rafael Espindolavoid MCStreamer::EmitCFISignalFrame() { 38616d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola EnsureValidFrame(); 38716d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 38816d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola CurFrame->IsSignalFrame = true; 38916d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola} 39016d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola 391c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindolavoid MCStreamer::EmitCFIUndefined(int64_t Register) { 392529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 39328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 39428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createUndefined(Label, Register); 395529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 396c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola CurFrame->Instructions.push_back(Instruction); 397c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola} 398c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola 399f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindolavoid MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { 400f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCSymbol *Label = EmitCFICommon(); 401f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction Instruction = 402f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction::createRegister(Label, Register1, Register2); 403f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 404f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola CurFrame->Instructions.push_back(Instruction); 405f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola} 406f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola 40783ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindarajuvoid MCStreamer::EmitCFIWindowSave() { 40883ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCSymbol *Label = EmitCFICommon(); 40983ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCCFIInstruction Instruction = 41083ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCCFIInstruction::createWindowSave(Label); 41183ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 41283ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju CurFrame->Instructions.push_back(Instruction); 41383ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju} 41483ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju 41591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 416ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis W64UnwindInfos.push_back(Frame); 417ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis CurrentW64UnwindInfo = W64UnwindInfos.back(); 4189c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 4199c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 4200855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 42191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4220855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 4230855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 4240855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4250855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 426fbc539ff37ddd08c2480be9185e7a40919ce8940Charles Davisvoid MCStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { 42791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4280855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 4290855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 4304eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 431ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 432ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = Symbol; 433ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 434ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 4350855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4360855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 4370855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 4380855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 43991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 44091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 4410855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 4420855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 4430855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 444ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 445ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 446440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 44791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 4484eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 44991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 450ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 451ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = CurFrame->Function; 452ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->ChainedParent = CurFrame; 453ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 454ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 455f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 456f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 457440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 45891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 45991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 46091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 46191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 46291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 46391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 46491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 465f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 466f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 467440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 468440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 469440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 470440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 47181f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 47281f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 473440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 474321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (!Except && !Unwind) 475440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 476321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Unwind) 477321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesUnwind = true; 478321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Except) 479321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesExceptions = true; 480440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 481440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 482440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 483d0b76d00048352affac4fad0ef005e28f5340b76Charles Davis EnsureValidW64UnwindInfo(); 48481f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 48581f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 48681f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 487f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 488f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 489c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 490c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 491c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 492c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 493c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register); 494c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 495c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 496f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 497f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 498c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 499c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 500c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 501c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->LastFrameInst >= 0) 502c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("Frame register and offset already specified!"); 503edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 504edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned frame pointer offset!"); 505f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCSymbol *Label = getContext().CreateTempSymbol(); 506f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Label, Register, Offset); 507f0a0d578089572be37063bbe37063edb28148159Kai Nacke EmitLabel(Label); 5085c2256a5719172273eaef198f92d8af924ff8623Charles Davis CurFrame->LastFrameInst = CurFrame->Instructions.size(); 509c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 510ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 511ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 512c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 513c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 514edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Size & 7) 515edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned stack allocation!"); 516c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 517c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 518c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Label, Size); 519c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 520c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 521ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 522ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 523c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 524c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 525edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 7) 526edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved register offset!"); 527c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 528c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 529c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 530c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol, 531c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 532c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 533c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 534ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 535ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 536c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 537c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 538edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 539edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved vector register offset!"); 540c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 541c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 542c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 543c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128, 544c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 545c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 546c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 547ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 548ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 549440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 550c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 551c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 552c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->Instructions.size() > 0) 553c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("If present, PushMachFrame must be the first UOP"); 554c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 555c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code); 556c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 557c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 558ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 559ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 560440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 56161558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 56261558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 56361558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 56461558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 565cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 566cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 5678f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindolavoid MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { 568858143816d43e58b17bfd11cb1b57afbd7f0f893Craig Topper llvm_unreachable("This file format doesn't support this directive"); 5698f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola} 5708f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola 571ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 57291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 57391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 5745759c3a02902026a27a0d1bc24a5bad85f52bd71David Blaikievoid MCStreamer::EmitRawTextImpl(StringRef String) { 57591bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 57691bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 57791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 57891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 57958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 58058bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 58158bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 5825759c3a02902026a27a0d1bc24a5bad85f52bd71David Blaikie EmitRawTextImpl(T.toStringRef(Str)); 58358bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 584c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 585da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendlingvoid MCStreamer::EmitFrames(MCAsmBackend *MAB, bool usingCFI) { 586c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 587c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 588c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 589c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 590da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, true); 59140a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 59240a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 593da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, false); 594c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 59538ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 59638ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davisvoid MCStreamer::EmitW64Tables() { 59738ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis if (!getNumW64UnwindInfos()) 59838ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis return; 59938ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 60038ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis MCWin64EHUnwindEmitter::Emit(*this); 60138ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis} 60299b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 60399b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindolavoid MCStreamer::Finish() { 60499b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola if (!FrameInfos.empty() && !FrameInfos.back().End) 60599b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola report_fatal_error("Unfinished frame!"); 60699b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 60799b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola FinishImpl(); 60899b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola} 60977afbdce53aa740777486b0cc4e9df151ae65468Jack Carter 61077afbdce53aa740777486b0cc4e9df151ae65468Jack CarterMCSymbolData &MCStreamer::getOrCreateSymbolData(MCSymbol *Symbol) { 61177afbdce53aa740777486b0cc4e9df151ae65468Jack Carter report_fatal_error("Not supported!"); 612242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return *(static_cast<MCSymbolData*>(0)); 61377afbdce53aa740777486b0cc4e9df151ae65468Jack Carter} 614