MCStreamer.cpp revision 83ba58e5f0a5afbb23d7d2092d817accded4455a
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 255da3665cc501ed8928e63678254357214ec0b9ebChandler CarruthMCStreamer::MCStreamer(StreamerKind Kind, MCContext &Ctx) 265da3665cc501ed8928e63678254357214ec0b9ebChandler Carruth : Kind(Kind), Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false), 275da3665cc501ed8928e63678254357214ec0b9ebChandler Carruth CurrentW64UnwindInfo(0), LastSymbol(0), AutoInitSections(false) { 28df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 29a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 30a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 31a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 324eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 334eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis delete W64UnwindInfos[i]; 34a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 35ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 365399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigasvoid MCStreamer::reset() { 375399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 385399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas delete W64UnwindInfos[i]; 398cb6b971601d42a27e40f0f1d4828671441989f5Charles Davis W64UnwindInfos.clear(); 405399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitEHFrame = true; 415399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitDebugFrame = false; 425399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas CurrentW64UnwindInfo = 0; 435399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas LastSymbol = 0; 445399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas SectionStack.clear(); 45df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>()); 465399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas} 475399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas 48a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 49a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 50a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 51a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 52a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 53a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 54a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 55a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 56a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 57a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 58a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 59a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 60a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 61a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { 6299cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling if (Context.getAsmInfo()->hasAggressiveSymbolFolding() || 6378ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola isa<MCSymbolRefExpr>(Expr)) 64a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return Expr; 65a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola 66a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 67a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitAssignment(ABS, Expr); 68a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 69a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 70a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 71d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 72d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 73d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 74c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling} 75c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling 76da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendlingvoid MCStreamer::generateCompactUnwindEncodings(MCAsmBackend *MAB) { 77c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling for (std::vector<MCDwarfFrameInfo>::iterator I = FrameInfos.begin(), 78c3cee57f7d20f69a84fd88464ed8cf050e63c7adBill Wendling E = FrameInfos.end(); I != E; ++I) 79da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling I->CompactUnwindEncoding = 801d5ad97531a0213f06cc526a0c8ea7b2150f6accBill Wendling (MAB ? MAB->generateCompactUnwindEncoding(I->Instructions) : 0); 81d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 82d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 8332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 8432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 8532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 8632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 8732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 8832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 8932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 9032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 9132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 9232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 9332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 94d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 9532ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 9632ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 97a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size) { 98dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 99818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 100818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 1012df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 10299cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling const bool isLittleEndian = Context.getAsmInfo()->isLittleEndian(); 10365891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky for (unsigned i = 0; i != Size; ++i) { 10465891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky unsigned index = isLittleEndian ? i : (Size - i - 1); 10565891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky buf[i] = uint8_t(Value >> (index * 8)); 10665891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky } 107a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(StringRef(buf, Size)); 10832ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 10932ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 1103ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 1113ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 112a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned Padding) { 113b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 114660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1152d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeULEB128(Value, OSE, Padding); 116a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 117c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 118c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1193ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 1203ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 121a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value) { 122b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 123660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1242d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeSLEB128(Value, OSE); 125a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitBytes(OSE.str()); 126c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 127c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 128a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size) { 129a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola const MCExpr *ABS = ForceExpAbs(Value); 130a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(ABS, Size); 1310bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1320bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 13389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 134a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size) { 135a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(Value, Size); 13689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 13789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 138a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size) { 139a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size); 14089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 14189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1426c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanakavoid MCStreamer::EmitGPRel64Value(const MCExpr *Value) { 1436c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka report_fatal_error("unsupported directive in streamer"); 1446c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka} 1456c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka 1463e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1473e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1483e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1493e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 150ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 151ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 152a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue) { 153ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 154ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 155a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitValue(E, 1); 156ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 15791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 158a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola/// The implementation in this class just redirects to EmitFill. 159a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindolavoid MCStreamer::EmitZeros(uint64_t NumBytes) { 160a3863ea2dacafc925a8272ebf9884fc64bef686cRafael Espindola EmitFill(NumBytes, 0); 161b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov} 162b02f1e9a6bc332ebd77571fdffcdc44d77e76b31Serge Pavlov 163af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 16444d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky StringRef Directory, 1653de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren StringRef Filename, unsigned CUID) { 1663de61b4c0144748e4b9157e2c22fe4ea685981a2Manman Ren return getContext().GetDwarfFile(Directory, Filename, FileNo, CUID) == 0; 167af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 168af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 169af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 170af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 171af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1723f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1733f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 174af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 175af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 176af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 177af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 17889b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 17989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 180242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return 0; 18189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 18289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 18489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 18589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 18689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 18789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 18889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1908bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1918bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1928bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1938bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 1945cc319a42a914b24b164a94d9a563c728a7a4026Richard Mittonvoid MCStreamer::AssignSection(MCSymbol *Symbol, const MCSection *Section) { 1955cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton if (Section) 1965cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton Symbol->setSection(*Section); 1975cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton else 1985cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton Symbol->setUndefined(); 1995cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton 2005cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton // As we emit symbols into a section, track the order so that they can 2015cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton // be sorted upon later. Zero is reserved to mean 'unemitted'. 2025cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton SymbolOrdering[Symbol] = 1 + SymbolOrdering.size(); 2035cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton} 2045cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton 205ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 206ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 207df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 2085cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton AssignSection(Symbol, getCurrentSection().first); 20949cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola LastSymbol = Symbol; 210ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 211ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 2122c3a4641a7785da78839caf574277df9cd93b52cReed Kotlervoid MCStreamer::EmitDebugLabel(MCSymbol *Symbol) { 2132c3a4641a7785da78839caf574277df9cd93b52cReed Kotler assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 214df39be6cb4eb44011db3d3e86f8fe463f81ce127Peter Collingbourne assert(getCurrentSection().first && "Cannot emit before setting section!"); 2155cc319a42a914b24b164a94d9a563c728a7a4026Richard Mitton AssignSection(Symbol, getCurrentSection().first); 2162c3a4641a7785da78839caf574277df9cd93b52cReed Kotler LastSymbol = Symbol; 2172c3a4641a7785da78839caf574277df9cd93b52cReed Kotler} 2182c3a4641a7785da78839caf574277df9cd93b52cReed Kotler 219d967578a8c506be341d20a1558eebb31484b8b6dBill Wendlingvoid MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) { 220d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling EnsureValidFrame(); 221d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 222d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling CurFrame->CompactUnwindEncoding = CompactUnwindEncoding; 223d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling} 224d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling 225f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 226713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 227f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 228f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 229f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 230f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 231066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 23289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 233066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 23489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 23549cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 2365fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng MCDwarfFrameInfo Frame; 237547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola EmitCFIStartProcImpl(Frame); 238547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 239547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola FrameInfos.push_back(Frame); 240547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 24149cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 242547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { 243547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 244547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 245547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { 246547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola Frame.Function = LastSymbol; 24749cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // If the function is externally visible, we need to create a local 24849cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // symbol to avoid relocations. 24999cb622041a0839c7dfcf0263c5102a305a0fdb5Bill Wendling StringRef Prefix = getContext().getAsmInfo()->getPrivateGlobalPrefix(); 2505fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { 25149cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = LastSymbol; 25249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } else { 25349cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 25449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola EmitLabel(Frame.Begin); 25549cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } 256cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 257cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 258066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 25989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 26089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2611fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitCFIEndProcImpl(*CurFrame); 2621fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2631fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2641fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { 2651fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2661fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2671fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { 2681fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola Frame.End = getContext().CreateTempSymbol(); 2691fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitLabel(Frame.End); 270cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 271cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 272529a01df02ad221e8e55097a8ee36b85234eb078Rafael EspindolaMCSymbol *MCStreamer::EmitCFICommon() { 273b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 274b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 275b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 276529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola return Label; 277529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola} 278529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola 279529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 280529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 28128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 28228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfa(Label, Register, Offset); 283529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 284b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 285b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 286b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 287066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 288529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 28928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 29028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaOffset(Label, Offset); 291529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 292fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 293cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 294cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 2955d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 296529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 29728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 29828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment); 299529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3005d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 3015d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 3025d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 303066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 304529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 30528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 30628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaRegister(Label, Register); 307529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 308b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 309cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 310cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 311066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 312529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 31328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 3147f74d2c2c197eec76ae2b41fed9c227c0dcc04cbRafael Espindola MCCFIInstruction::createOffset(Label, Register, Offset); 315529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 316b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 317cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 318cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 31925f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 320529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 32128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 32228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRelOffset(Label, Register, Offset); 323529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 32425f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 32525f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 32625f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 327066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 3283a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 32989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 33089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 33189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 3323a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 333cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 334cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 335066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 33689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 33789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 33889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 339bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 340cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 341cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 342066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 343529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 34428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label); 345529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 346fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 347fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 348fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 349066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 350fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 351529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 35228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label); 353529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 354fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 355fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 356fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 357c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 358529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 35928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 36028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createSameValue(Label, Register); 361529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 362c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 363c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 364c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 365ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindolavoid MCStreamer::EmitCFIRestore(int64_t Register) { 366529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 36728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 36828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRestore(Label, Register); 369529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 370ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola CurFrame->Instructions.push_back(Instruction); 371ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola} 372ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola 3736f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindolavoid MCStreamer::EmitCFIEscape(StringRef Values) { 374529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 37528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values); 376529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3776f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola CurFrame->Instructions.push_back(Instruction); 3786f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola} 3796f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola 38016d7d437e03ce87fdaef7971919302920d54a966Rafael Espindolavoid MCStreamer::EmitCFISignalFrame() { 38116d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola EnsureValidFrame(); 38216d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 38316d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola CurFrame->IsSignalFrame = true; 38416d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola} 38516d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola 386c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindolavoid MCStreamer::EmitCFIUndefined(int64_t Register) { 387529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 38828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 38928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createUndefined(Label, Register); 390529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 391c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola CurFrame->Instructions.push_back(Instruction); 392c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola} 393c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola 394f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindolavoid MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { 395f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCSymbol *Label = EmitCFICommon(); 396f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction Instruction = 397f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction::createRegister(Label, Register1, Register2); 398f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 399f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola CurFrame->Instructions.push_back(Instruction); 400f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola} 401f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola 40283ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindarajuvoid MCStreamer::EmitCFIWindowSave() { 40383ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCSymbol *Label = EmitCFICommon(); 40483ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCCFIInstruction Instruction = 40583ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCCFIInstruction::createWindowSave(Label); 40683ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 40783ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju CurFrame->Instructions.push_back(Instruction); 40883ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju} 40983ba58e5f0a5afbb23d7d2092d817accded4455aVenkatraman Govindaraju 41091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 411ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis W64UnwindInfos.push_back(Frame); 412ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis CurrentW64UnwindInfo = W64UnwindInfos.back(); 4139c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 4149c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 4150855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 41691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4170855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 4180855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 4190855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4200855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 421fbc539ff37ddd08c2480be9185e7a40919ce8940Charles Davisvoid MCStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { 42291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4230855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 4240855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 4254eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 426ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 427ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = Symbol; 428ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 429ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 4300855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4310855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 4320855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 4330855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 43491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 43591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 4360855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 4370855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 4380855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 439ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 440ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 441440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 44291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 4434eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 44491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 445ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 446ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = CurFrame->Function; 447ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->ChainedParent = CurFrame; 448ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 449ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 450f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 451f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 452440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 45391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 45491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 45591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 45691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 45791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 45891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 45991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 460f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 461f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 462440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 463440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 464440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 465440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 46681f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 46781f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 468440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 469321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (!Except && !Unwind) 470440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 471321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Unwind) 472321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesUnwind = true; 473321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Except) 474321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesExceptions = true; 475440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 476440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 477440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 478d0b76d00048352affac4fad0ef005e28f5340b76Charles Davis EnsureValidW64UnwindInfo(); 47981f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 48081f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 48181f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 482f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 483f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 484c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 485c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 486c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 487c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 488c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register); 489c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 490c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 491f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 492f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 493c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 494c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 495c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 496c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->LastFrameInst >= 0) 497c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("Frame register and offset already specified!"); 498edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 499edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned frame pointer offset!"); 500f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCSymbol *Label = getContext().CreateTempSymbol(); 501f0a0d578089572be37063bbe37063edb28148159Kai Nacke MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Label, Register, Offset); 502f0a0d578089572be37063bbe37063edb28148159Kai Nacke EmitLabel(Label); 5035c2256a5719172273eaef198f92d8af924ff8623Charles Davis CurFrame->LastFrameInst = CurFrame->Instructions.size(); 504c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 505ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 506ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 507c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 508c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 509edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Size & 7) 510edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned stack allocation!"); 511c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 512c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 513c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Label, Size); 514c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 515c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 516ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 517ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 518c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 519c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 520edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 7) 521edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved register offset!"); 522c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 523c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 524c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 525c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol, 526c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 527c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 528c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 529ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 530ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 531c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 532c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 533edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 534edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved vector register offset!"); 535c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 536c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 537c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 538c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128, 539c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 540c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 541c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 542ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 543ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 544440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 545c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 546c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 547c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->Instructions.size() > 0) 548c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("If present, PushMachFrame must be the first UOP"); 549c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 550c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code); 551c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 552c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 553ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 554ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 555440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 55661558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 55761558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 55861558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 55961558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 560cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 561cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 5628f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindolavoid MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { 563858143816d43e58b17bfd11cb1b57afbd7f0f893Craig Topper llvm_unreachable("This file format doesn't support this directive"); 5648f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola} 5658f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola 566b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnStart() { 567b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 568b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 569b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 570b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 571b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnEnd() { 572b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 573b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 574b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 575b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 576b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitCantUnwind() { 577b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 578b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 579b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 580b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 581b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitHandlerData() { 582b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 583b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 584b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 585b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 586b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitPersonality(const MCSymbol *Personality) { 587b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 588b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 589b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 590b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 59157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { 59257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 59357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 59457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 59557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 59657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitPad(int64_t Offset) { 59757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 59857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 59957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 60057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 60157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool) { 60257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 60357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 60457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 60557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 606f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanellavoid MCStreamer::EmitTCEntry(const MCSymbol &S) { 607f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella llvm_unreachable("Unsupported method"); 608f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella} 609f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella 610ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 61191bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 61291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 61391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 61491bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 61591bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 61691bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 61791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 61858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 61958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 62058bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 62158bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 62258bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 62358bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 624c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 625da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendlingvoid MCStreamer::EmitFrames(MCAsmBackend *MAB, bool usingCFI) { 626c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 627c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 628c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 629c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 630da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, true); 63140a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 63240a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 633da11df0c22f5d0ba2e2be3ae4a7076c806233db8Bill Wendling MCDwarfFrameEmitter::Emit(*this, MAB, usingCFI, false); 634c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 63538ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 63638ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davisvoid MCStreamer::EmitW64Tables() { 63738ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis if (!getNumW64UnwindInfos()) 63838ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis return; 63938ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 64038ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis MCWin64EHUnwindEmitter::Emit(*this); 64138ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis} 64299b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 64399b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindolavoid MCStreamer::Finish() { 64499b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola if (!FrameInfos.empty() && !FrameInfos.back().End) 64599b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola report_fatal_error("Unfinished frame!"); 64699b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 64799b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola FinishImpl(); 64899b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola} 64977afbdce53aa740777486b0cc4e9df151ae65468Jack Carter 65077afbdce53aa740777486b0cc4e9df151ae65468Jack CarterMCSymbolData &MCStreamer::getOrCreateSymbolData(MCSymbol *Symbol) { 65177afbdce53aa740777486b0cc4e9df151ae65468Jack Carter report_fatal_error("Not supported!"); 652242cec5be3b3a715de0535d1a074bb4dff94772fJakub Staszak return *(static_cast<MCSymbolData*>(0)); 65377afbdce53aa740777486b0cc4e9df151ae65468Jack Carter} 654