MCStreamer.cpp revision 5399d2502acaf96fe8420e61913e77f0b23650ff
1a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===- lib/MC/MCStreamer.cpp - Streaming Machine Code Output --------------===// 2a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 3a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// The LLVM Compiler Infrastructure 4a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 5a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// This file is distributed under the University of Illinois Open Source 6a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// License. See LICENSE.TXT for details. 7a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 8a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===----------------------------------------------------------------------===// 9a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 10d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/MC/MCStreamer.h" 11d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/ADT/SmallString.h" 12d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/ADT/Twine.h" 130bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola#include "llvm/MC/MCAsmInfo.h" 14af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola#include "llvm/MC/MCContext.h" 15ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner#include "llvm/MC/MCExpr.h" 16c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby#include "llvm/MC/MCObjectWriter.h" 17ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola#include "llvm/MC/MCSymbol.h" 18484291c27319668ad99cb87def000254357736fbRafael Espindola#include "llvm/Support/ErrorHandling.h" 192d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach#include "llvm/Support/LEB128.h" 20d04a8d4b33ff316ca4cf961e06c9e312eff8e64fChandler Carruth#include "llvm/Support/raw_ostream.h" 213580dea910d622f2a6dbb72e97f5f7d0ef979542Chris Lattner#include <cstdlib> 22a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbarusing namespace llvm; 23a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 243e96531186ba574b0c25a4be62d24b8b7d752c9fJim GrosbachMCStreamer::MCStreamer(MCContext &Ctx) 253e96531186ba574b0c25a4be62d24b8b7d752c9fJim Grosbach : Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false), 2607f6a4fde0a1b081fbefd986345c9b2f4f85e88aLang Hames CurrentW64UnwindInfo(0), LastSymbol(0), 2707f6a4fde0a1b081fbefd986345c9b2f4f85e88aLang Hames AutoInitSections(false) { 287d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger const MCSection *section = NULL; 297d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger SectionStack.push_back(std::make_pair(section, section)); 30a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 31a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 32a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 334eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 344eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis delete W64UnwindInfos[i]; 35a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 36ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 375399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigasvoid MCStreamer::reset() { 385399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 395399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas delete W64UnwindInfos[i]; 405399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitEHFrame = true; 415399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas EmitDebugFrame = false; 425399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas CurrentW64UnwindInfo = 0; 435399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas LastSymbol = 0; 445399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas AutoInitSections = false; 455399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas const MCSection *section = NULL; 465399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas SectionStack.clear(); 475399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas SectionStack.push_back(std::make_pair(section, section)); 485399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas} 495399d2502acaf96fe8420e61913e77f0b23650ffPedro Artigas 50a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 51a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 52a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 53a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 54a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 55a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 56a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 57a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 58a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 59a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 60a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 61a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 62a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 63a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { 6478ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola if (Context.getAsmInfo().hasAggressiveSymbolFolding() || 6578ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola isa<MCSymbolRefExpr>(Expr)) 66a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return Expr; 67a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola 68a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 69a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitAssignment(ABS, Expr); 70a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 71a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 72a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 73d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 74d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 75d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 76d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 77d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 7832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 7932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 8032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 8132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 8232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 8332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 8432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 8532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 8632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 8732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 8832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 89d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 9032ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 9132ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 9232ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattnervoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size, 9332ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner unsigned AddrSpace) { 94dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 95818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 96818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 972df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 981be0e271a07925b928ba89848934f1ea6f1854e2Evan Cheng const bool isLittleEndian = Context.getAsmInfo().isLittleEndian(); 9965891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky for (unsigned i = 0; i != Size; ++i) { 10065891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky unsigned index = isLittleEndian ? i : (Size - i - 1); 10165891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky buf[i] = uint8_t(Value >> (index * 8)); 10265891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky } 1032df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola EmitBytes(StringRef(buf, Size), AddrSpace); 10432ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 10532ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 1063ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 1073ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 108c25c90897781f116d5dbabab170bafcf65900fa7Benjamin Kramervoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace, 109c25c90897781f116d5dbabab170bafcf65900fa7Benjamin Kramer unsigned Padding) { 110b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 111660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1122d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeULEB128(Value, OSE, Padding); 113660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 114c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 115c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1163ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 1173ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 1183ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value, unsigned AddrSpace) { 119b601ab5cce6c560dff365cd87f6854ea95f76f54Benjamin Kramer SmallString<128> Tmp; 120660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 1212d39a0e52df9ce050bd4e2de3a2ecca8fd9a87c3Jim Grosbach encodeSLEB128(Value, OSE); 122660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 123c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 124c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1250bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size, 1260bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola unsigned AddrSpace) { 127a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola const MCExpr *ABS = ForceExpAbs(Value); 128a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitValue(ABS, Size, AddrSpace); 1290bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1300bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 13189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 13289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size, 13389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 134debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(Value, Size, AddrSpace); 13589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 13689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 13789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, 138debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola unsigned AddrSpace) { 139debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size, 14089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola AddrSpace); 14189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 14289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1436c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanakavoid MCStreamer::EmitGPRel64Value(const MCExpr *Value) { 1446c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka report_fatal_error("unsupported directive in streamer"); 1456c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka} 1466c2cf8b1fbcf70fd9db6fe44032c1ceaa2299760Akira Hatanaka 1473e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1483e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1493e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1503e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 151ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 152ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 153aaec205b87637cd0d59d4f11630db603686eb73dChris Lattnervoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, 154aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner unsigned AddrSpace) { 155ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 156ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 157aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner EmitValue(E, 1, AddrSpace); 158ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 15991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 160af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 16144d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky StringRef Directory, 162af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola StringRef Filename) { 16344d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky return getContext().GetDwarfFile(Directory, Filename, FileNo) == 0; 164af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 165af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 166af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 167af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 168af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1693f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1703f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 171af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 172af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 173af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 174af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 17589b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 17689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 17789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return NULL; 17889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 17989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 18189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 18289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 18389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 18489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 18589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 18689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1878bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1888bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1898bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1908bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 191ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 192ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 193ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(getCurrentSection() && "Cannot emit before setting section!"); 194ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola Symbol->setSection(*getCurrentSection()); 19549cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola LastSymbol = Symbol; 196ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 197ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 198d967578a8c506be341d20a1558eebb31484b8b6dBill Wendlingvoid MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) { 199d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling EnsureValidFrame(); 200d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 201d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling CurFrame->CompactUnwindEncoding = CompactUnwindEncoding; 202d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling} 203d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling 204f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 205713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 206f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 207f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 208f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 209f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 210066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 21189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 212066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 21389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 21449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 2155fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng MCDwarfFrameInfo Frame; 216547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola EmitCFIStartProcImpl(Frame); 217547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 218547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola FrameInfos.push_back(Frame); 219547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 22049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 221547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { 222547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 223547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 224547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { 225547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola Frame.Function = LastSymbol; 22649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // If the function is externally visible, we need to create a local 22749cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // symbol to avoid relocations. 22849cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola StringRef Prefix = getContext().getAsmInfo().getPrivateGlobalPrefix(); 2295fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { 23049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = LastSymbol; 23149cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } else { 23249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 23349cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola EmitLabel(Frame.Begin); 23449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } 235cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 236cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 237066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 23889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 23989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2401fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitCFIEndProcImpl(*CurFrame); 2411fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2421fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2431fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { 2441fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 2451fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 2461fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { 2471fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola Frame.End = getContext().CreateTempSymbol(); 2481fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitLabel(Frame.End); 249cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 250cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 251529a01df02ad221e8e55097a8ee36b85234eb078Rafael EspindolaMCSymbol *MCStreamer::EmitCFICommon() { 252b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 253b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 254b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 255529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola return Label; 256529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola} 257529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola 258529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 259529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 26028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 26128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfa(Label, Register, Offset); 262529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 263b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 264b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 265b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 266066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 267529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 26828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 26928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaOffset(Label, Offset); 270529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 271fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 272cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 273cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 2745d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 275529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 27628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 27728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createAdjustCfaOffset(Label, Adjustment); 278529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2795d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 2805d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 2815d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 282066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 283529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 28428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 28528c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createDefCfaRegister(Label, Register); 286529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 287b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 288cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 289cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 290066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 291529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 29228c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 2937f74d2c2c197eec76ae2b41fed9c227c0dcc04cbRafael Espindola MCCFIInstruction::createOffset(Label, Register, Offset); 294529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 295b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 296cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 297cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 29825f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 299529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 30028c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 30128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRelOffset(Label, Register, Offset); 302529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 30325f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 30425f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 30525f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 306066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 3073a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 30889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 30989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 31089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 3113a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 312cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 313cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 314066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 31589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 31689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 31789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 318bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 319cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 320cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 321066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 322529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 32328c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRememberState(Label); 324529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 325fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 326fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 327fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 328066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 329fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 330529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 33128c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createRestoreState(Label); 332529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 333fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 334fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 335fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 336c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 337529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 33828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 33928c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createSameValue(Label, Register); 340529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 341c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 342c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 343c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 344ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindolavoid MCStreamer::EmitCFIRestore(int64_t Register) { 345529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 34628c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 34728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createRestore(Label, Register); 348529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 349ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola CurFrame->Instructions.push_back(Instruction); 350ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola} 351ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola 3526f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindolavoid MCStreamer::EmitCFIEscape(StringRef Values) { 353529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 35428c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = MCCFIInstruction::createEscape(Label, Values); 355529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3566f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola CurFrame->Instructions.push_back(Instruction); 3576f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola} 3586f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola 35916d7d437e03ce87fdaef7971919302920d54a966Rafael Espindolavoid MCStreamer::EmitCFISignalFrame() { 36016d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola EnsureValidFrame(); 36116d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 36216d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola CurFrame->IsSignalFrame = true; 36316d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola} 36416d7d437e03ce87fdaef7971919302920d54a966Rafael Espindola 365c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindolavoid MCStreamer::EmitCFIUndefined(int64_t Register) { 366529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCSymbol *Label = EmitCFICommon(); 36728c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction Instruction = 36828c9ea3c13dfb8f6bb3226ba511d189135fcb140Rafael Espindola MCCFIInstruction::createUndefined(Label, Register); 369529a01df02ad221e8e55097a8ee36b85234eb078Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 370c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola CurFrame->Instructions.push_back(Instruction); 371c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola} 372c8fec7e21f5c24303eab8a8592f3b8faff347d86Rafael Espindola 373f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindolavoid MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { 374f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCSymbol *Label = EmitCFICommon(); 375f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction Instruction = 376f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCCFIInstruction::createRegister(Label, Register1, Register2); 377f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 378f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola CurFrame->Instructions.push_back(Instruction); 379f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola} 380f4f14f68f6078ea6681ee27b5bf42719d7db3441Rafael Espindola 38191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 382ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis W64UnwindInfos.push_back(Frame); 383ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis CurrentW64UnwindInfo = W64UnwindInfos.back(); 3849c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 3859c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 3860855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 38791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3880855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 3890855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 3900855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 3910855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 392fbc539ff37ddd08c2480be9185e7a40919ce8940Charles Davisvoid MCStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { 39391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3940855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 3950855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 3964eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 397ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 398ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = Symbol; 399ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 400ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 4010855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4020855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 4030855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 4040855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 40591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 40691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 4070855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 4080855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 4090855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 410ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 411ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 412440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 41391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 4144eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 41591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 416ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 417ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = CurFrame->Function; 418ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->ChainedParent = CurFrame; 419ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 420ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 421f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 422f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 423440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 42491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 42591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 42691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 42791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 42891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 42991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 43091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 431f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 432f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 433440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 434440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 435440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 436440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 43781f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 43881f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 439440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 440321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (!Except && !Unwind) 441440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 442321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Unwind) 443321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesUnwind = true; 444321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Except) 445321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesExceptions = true; 446440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 447440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 448440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 449d0b76d00048352affac4fad0ef005e28f5340b76Charles Davis EnsureValidW64UnwindInfo(); 45081f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 45181f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 45281f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 453f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 454f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 455c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 456c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 457c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 458c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 459c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register); 460c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 461c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 462f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 463f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 464c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 465c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 466c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 467c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->LastFrameInst >= 0) 468c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("Frame register and offset already specified!"); 469edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 470edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned frame pointer offset!"); 471c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, NULL, Register, Offset); 4725c2256a5719172273eaef198f92d8af924ff8623Charles Davis CurFrame->LastFrameInst = CurFrame->Instructions.size(); 473c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 474ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 475ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 476c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 477c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 478edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Size & 7) 479edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned stack allocation!"); 480c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 481c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 482c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Label, Size); 483c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 484c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 485ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 486ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 487c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 488c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 489edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 7) 490edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved register offset!"); 491c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 492c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 493c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 494c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol, 495c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 496c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 497c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 498ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 499ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 500c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 501c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 502edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 503edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved vector register offset!"); 504c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 505c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 506c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 507c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128, 508c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 509c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 510c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 511ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 512ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 513440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 514c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 515c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 516c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->Instructions.size() > 0) 517c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("If present, PushMachFrame must be the first UOP"); 518c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 519c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code); 520c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 521c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 522ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 523ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 524440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 52561558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 52661558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 52761558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 52861558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 529cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 530cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 5318f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindolavoid MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { 532858143816d43e58b17bfd11cb1b57afbd7f0f893Craig Topper llvm_unreachable("This file format doesn't support this directive"); 5338f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola} 5348f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola 535b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnStart() { 536b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 537b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 538b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 539b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 540b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnEnd() { 541b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 542b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 543b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 544b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 545b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitCantUnwind() { 546b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 547b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 548b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 549b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 550b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitHandlerData() { 551b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 552b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 553b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 554b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 555b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitPersonality(const MCSymbol *Personality) { 556b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 557b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 558b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 559b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 56057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { 56157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 56257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 56357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 56457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 56557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitPad(int64_t Offset) { 56657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 56757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 56857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 56957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 57057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool) { 57157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 57257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 57357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 57457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 575f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanellavoid MCStreamer::EmitTCEntry(const MCSymbol &S) { 576f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella llvm_unreachable("Unsupported method"); 577f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella} 578f35c62bf025411393c7df0803851010cc0e597baAdhemerval Zanella 579ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 58091bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 58191bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 58291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 58391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 58491bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 58591bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 58691bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 58758bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 58858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 58958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 59058bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 59158bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 59258bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 593c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 594c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindolavoid MCStreamer::EmitFrames(bool usingCFI) { 595c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 596c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 597c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 598c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 59940a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, true); 60040a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 60140a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 60240a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, false); 603c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 60438ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 60538ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davisvoid MCStreamer::EmitW64Tables() { 60638ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis if (!getNumW64UnwindInfos()) 60738ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis return; 60838ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 60938ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis MCWin64EHUnwindEmitter::Emit(*this); 61038ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis} 61199b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 61299b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindolavoid MCStreamer::Finish() { 61399b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola if (!FrameInfos.empty() && !FrameInfos.back().End) 61499b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola report_fatal_error("Unfinished frame!"); 61599b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 61699b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola FinishImpl(); 61799b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola} 618