MCStreamer.cpp revision 1fe9737eb49ecb80fbb547f0e16e10a726cd53cf
1a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===- lib/MC/MCStreamer.cpp - Streaming Machine Code Output --------------===// 2a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 3a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// The LLVM Compiler Infrastructure 4a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 5a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// This file is distributed under the University of Illinois Open Source 6a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// License. See LICENSE.TXT for details. 7a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar// 8a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar//===----------------------------------------------------------------------===// 9a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 100bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola#include "llvm/MC/MCAsmInfo.h" 11af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola#include "llvm/MC/MCContext.h" 12a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar#include "llvm/MC/MCStreamer.h" 13ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner#include "llvm/MC/MCExpr.h" 14c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby#include "llvm/MC/MCObjectWriter.h" 15ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola#include "llvm/MC/MCSymbol.h" 16484291c27319668ad99cb87def000254357736fbRafael Espindola#include "llvm/Support/ErrorHandling.h" 17d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner#include "llvm/Support/raw_ostream.h" 1858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner#include "llvm/ADT/SmallString.h" 1958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner#include "llvm/ADT/Twine.h" 203580dea910d622f2a6dbb72e97f5f7d0ef979542Chris Lattner#include <cstdlib> 21a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbarusing namespace llvm; 22a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 23f9efd83166401bca542c6702ea329f9901c4e04bRafael EspindolaMCStreamer::MCStreamer(MCContext &Ctx) : Context(Ctx), EmitEHFrame(true), 2440de0e013a456971697491b428fb903570e8766eCharles Davis EmitDebugFrame(false), 252df9f8df9541e7650876413cde555eb3d285be4bBenjamin Kramer CurrentW64UnwindInfo(0), 262fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson LastSymbol(0), 272fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson UniqueCodeBeginSuffix(0), 282fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson UniqueDataBeginSuffix(0) { 297d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger const MCSection *section = NULL; 307d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger SectionStack.push_back(std::make_pair(section, section)); 31a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 32a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 33a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 344eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i) 354eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis delete W64UnwindInfos[i]; 36a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 37ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 38a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 39a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 40a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 41a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 42a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 43a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 44a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 45a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 46a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 47a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 48a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 49a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 50a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 51a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(const MCExpr* Expr) { 5278ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola if (Context.getAsmInfo().hasAggressiveSymbolFolding() || 5378ff647e4471c88c3a3826e7ac24adcd8a9a2073Rafael Espindola isa<MCSymbolRefExpr>(Expr)) 54a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return Expr; 55a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola 56a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 57a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitAssignment(ABS, Expr); 58a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 59a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 60a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 61d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 62d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 63d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 64d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 65d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 6632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 6732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 6832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 6932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 7032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 7132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 7232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 7332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 7432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 7532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 7632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 77d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 7832ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 7932ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 8032ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattnervoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size, 8132ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner unsigned AddrSpace) { 82dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 83818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 84818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 852df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 861be0e271a07925b928ba89848934f1ea6f1854e2Evan Cheng const bool isLittleEndian = Context.getAsmInfo().isLittleEndian(); 8765891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky for (unsigned i = 0; i != Size; ++i) { 8865891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky unsigned index = isLittleEndian ? i : (Size - i - 1); 8965891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky buf[i] = uint8_t(Value >> (index * 8)); 9065891533a3b35d7fc8fa807a96b7ee2f09ff22b5Roman Divacky } 912df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola EmitBytes(StringRef(buf, Size), AddrSpace); 9232ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 9332ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 943ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 953ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 96c25c90897781f116d5dbabab170bafcf65900fa7Benjamin Kramervoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace, 97c25c90897781f116d5dbabab170bafcf65900fa7Benjamin Kramer unsigned Padding) { 98660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 99660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 100c25c90897781f116d5dbabab170bafcf65900fa7Benjamin Kramer MCObjectWriter::EncodeULEB128(Value, OSE, Padding); 101660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 102c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 103c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1043ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 1053ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 1063ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value, unsigned AddrSpace) { 107660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 108660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 109660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola MCObjectWriter::EncodeSLEB128(Value, OSE); 110660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 111c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 112c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1130bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size, 1140bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola unsigned AddrSpace) { 115a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola const MCExpr *ABS = ForceExpAbs(Value); 116a6f2678f08299f053feb58337fc4322131d99bf4Rafael Espindola EmitValue(ABS, Size, AddrSpace); 1170bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1180bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 11989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 12089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size, 12189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 122debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(Value, Size, AddrSpace); 12389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 12489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 12589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, 126debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola unsigned AddrSpace) { 127debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size, 12889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola AddrSpace); 12989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 13089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1313e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1323e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1333e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1343e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 135ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 136ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 137aaec205b87637cd0d59d4f11630db603686eb73dChris Lattnervoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, 138aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner unsigned AddrSpace) { 139ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 140ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 141aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner EmitValue(E, 1, AddrSpace); 142ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 14391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 144af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 14544d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky StringRef Directory, 146af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola StringRef Filename) { 14744d798d9763bc32aaf49fe7c10d604845f4b6685Nick Lewycky return getContext().GetDwarfFile(Directory, Filename, FileNo) == 0; 148af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 149af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 150af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 151af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 152af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1533f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1543f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 155af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 156af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 157af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 158af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 15989b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 16089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 16189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return NULL; 16289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 16389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 16489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 16589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 16689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 16789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 16889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 16989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 17089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1718bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1728bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1738bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1748bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 175ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 176ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 177ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(getCurrentSection() && "Cannot emit before setting section!"); 178ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola Symbol->setSection(*getCurrentSection()); 17949cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola LastSymbol = Symbol; 180ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 181ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 1822fec6c5ff153786744ba7d0d302b73179731c5e9Owen Andersonvoid MCStreamer::EmitDataRegion() { 1832fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (RegionIndicator == Data) return; 1842fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 1852fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson MCContext &Context = getContext(); 1862fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson const MCAsmInfo &MAI = Context.getAsmInfo(); 1872fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (!MAI.getSupportsDataRegions()) return; 1882fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 1892fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Generate a unique symbol name. 1903f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer MCSymbol *NewSym = Context.GetOrCreateSymbol(MAI.getDataBeginLabelName() + 1913f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Twine(UniqueDataBeginSuffix++)); 1922fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson EmitLabel(NewSym); 1932fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 1942fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson RegionIndicator = Data; 1952fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson} 1962fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 1972fec6c5ff153786744ba7d0d302b73179731c5e9Owen Andersonvoid MCStreamer::EmitCodeRegion() { 1982fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (RegionIndicator == Code) return; 1992fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2002fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson MCContext &Context = getContext(); 2012fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson const MCAsmInfo &MAI = Context.getAsmInfo(); 2022fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (!MAI.getSupportsDataRegions()) return; 2032fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2042fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Generate a unique symbol name. 2053f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer MCSymbol *NewSym = Context.GetOrCreateSymbol(MAI.getCodeBeginLabelName() + 2063f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Twine(UniqueCodeBeginSuffix++)); 2072fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson EmitLabel(NewSym); 2082fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2092fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson RegionIndicator = Code; 2102fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson} 2112fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2122fec6c5ff153786744ba7d0d302b73179731c5e9Owen Andersonvoid MCStreamer::EmitJumpTable8Region() { 2132fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (RegionIndicator == JumpTable8) return; 2142fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2152fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson MCContext &Context = getContext(); 2162fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson const MCAsmInfo &MAI = Context.getAsmInfo(); 2172fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (!MAI.getSupportsDataRegions()) return; 2182fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2192fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Generate a unique symbol name. 2203f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer MCSymbol *NewSym = 2213f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Context.GetOrCreateSymbol(MAI.getJumpTable8BeginLabelName() + 2223f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Twine(UniqueDataBeginSuffix++)); 2232fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson EmitLabel(NewSym); 2242fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2252fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson RegionIndicator = JumpTable8; 2262fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson} 2272fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2282fec6c5ff153786744ba7d0d302b73179731c5e9Owen Andersonvoid MCStreamer::EmitJumpTable16Region() { 2292fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (RegionIndicator == JumpTable16) return; 2302fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2312fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson MCContext &Context = getContext(); 2322fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson const MCAsmInfo &MAI = Context.getAsmInfo(); 2332fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (!MAI.getSupportsDataRegions()) return; 2342fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2352fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Generate a unique symbol name. 2363f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer MCSymbol *NewSym = 2373f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Context.GetOrCreateSymbol(MAI.getJumpTable16BeginLabelName() + 2383f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Twine(UniqueDataBeginSuffix++)); 2392fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson EmitLabel(NewSym); 2402fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2412fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson RegionIndicator = JumpTable16; 2422fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson} 2432fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2442fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2452fec6c5ff153786744ba7d0d302b73179731c5e9Owen Andersonvoid MCStreamer::EmitJumpTable32Region() { 2462fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (RegionIndicator == JumpTable32) return; 2472fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2482fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson MCContext &Context = getContext(); 2492fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson const MCAsmInfo &MAI = Context.getAsmInfo(); 2502fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (!MAI.getSupportsDataRegions()) return; 2512fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2522fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Generate a unique symbol name. 2533f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer MCSymbol *NewSym = 2543f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Context.GetOrCreateSymbol(MAI.getJumpTable32BeginLabelName() + 2553f4c979e1b1e02e51443cf88f4b7ec47a6865aaeBenjamin Kramer Twine(UniqueDataBeginSuffix++)); 2562fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson EmitLabel(NewSym); 2572fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 2582fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson RegionIndicator = JumpTable32; 2592fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson} 2602fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 261d967578a8c506be341d20a1558eebb31484b8b6dBill Wendlingvoid MCStreamer::EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding) { 262d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling EnsureValidFrame(); 263d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 264d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling CurFrame->CompactUnwindEncoding = CompactUnwindEncoding; 265d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling} 266d967578a8c506be341d20a1558eebb31484b8b6dBill Wendling 267f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 268713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 269f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 270f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 271f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 272f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 273066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 27489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 275066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 27689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 27749cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 2785fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng MCDwarfFrameInfo Frame; 279547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola EmitCFIStartProcImpl(Frame); 280547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 281547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola FrameInfos.push_back(Frame); 282547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola RegionIndicator = Code; 283547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 28449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola 285547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::EmitCFIStartProcImpl(MCDwarfFrameInfo &Frame) { 286547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola} 287547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola 288547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindolavoid MCStreamer::RecordProcStart(MCDwarfFrameInfo &Frame) { 289547be2699c547b79a7735858a64921d8ccf180f7Rafael Espindola Frame.Function = LastSymbol; 29049cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // If the function is externally visible, we need to create a local 29149cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola // symbol to avoid relocations. 29249cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola StringRef Prefix = getContext().getAsmInfo().getPrivateGlobalPrefix(); 2935fbe5e783ee0c5ae27c17490a752d7e603e84ed2Evan Cheng if (LastSymbol && LastSymbol->getName().startswith(Prefix)) { 29449cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = LastSymbol; 29549cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } else { 29649cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 29749cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola EmitLabel(Frame.Begin); 29849cb9b88867426d1a430f248550d3cc785a68fe4Rafael Espindola } 299cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 300cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 301066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 30289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 30389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3041fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitCFIEndProcImpl(*CurFrame); 3051fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 3061fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 3071fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::EmitCFIEndProcImpl(MCDwarfFrameInfo &Frame) { 3081fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola} 3091fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola 3101fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindolavoid MCStreamer::RecordProcEnd(MCDwarfFrameInfo &Frame) { 3111fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola Frame.End = getContext().CreateTempSymbol(); 3121fe9737eb49ecb80fbb547f0e16e10a726cd53cfRafael Espindola EmitLabel(Frame.End); 313cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 314cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 315066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 316b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 317b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 318b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 319b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 320b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 321b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MachineLocation Source(Register, -Offset); 322b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 323b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 324b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 325b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 326066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 32789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 3285bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3295bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 3305bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola EmitLabel(Label); 3315bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 3325bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MachineLocation Source(MachineLocation::VirtualFP, -Offset); 333fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 334fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 335cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 336cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 3375d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 3385d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola EnsureValidFrame(); 3395d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 3405d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 3415d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola EmitLabel(Label); 3425d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 3435d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MachineLocation Source(MachineLocation::VirtualFP, Adjustment); 3445d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); 3455d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 3465d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 3475d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 348066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 34989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 350b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 351b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 352b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola EmitLabel(Label); 353b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MachineLocation Dest(Register); 354b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MachineLocation Source(MachineLocation::VirtualFP); 355b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 356b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 357cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 358cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 359066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 36089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 361b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 362b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 363b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola EmitLabel(Label); 364b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MachineLocation Dest(Register, Offset); 365b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MachineLocation Source(Register, Offset); 366b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 367b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 368cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 369cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 37025f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 37125f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola EnsureValidFrame(); 37225f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 37325f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 37425f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola EmitLabel(Label); 37525f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MachineLocation Dest(Register, Offset); 37625f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MachineLocation Source(Register, Offset); 37725f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); 37825f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 37925f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 38025f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 381066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 3823a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 38389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 38489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 38589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 3863a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 387cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 388cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 389066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 39089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 39189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 39289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 393bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 394cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 395cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 396066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 397fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EnsureValidFrame(); 398fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 399fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 400fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EmitLabel(Label); 401c25680f728f89dd43939b00049ee524fbf59b7beRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RememberState, Label); 402fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 403fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 404fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 405066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 406fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 407fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EnsureValidFrame(); 408fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 409fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 410fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EmitLabel(Label); 411c25680f728f89dd43939b00049ee524fbf59b7beRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RestoreState, Label); 412fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 413fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 414fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 415c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 416c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola EnsureValidFrame(); 417c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 418c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 419c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola EmitLabel(Label); 420c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::SameValue, Label, Register); 421c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 422c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 423c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 424ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindolavoid MCStreamer::EmitCFIRestore(int64_t Register) { 425ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola EnsureValidFrame(); 426ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 427ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 428ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola EmitLabel(Label); 429ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::Restore, Label, Register); 430ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola CurFrame->Instructions.push_back(Instruction); 431ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola} 432ed23bdb65fe86cdb7a38c8c1998ec965e6973966Rafael Espindola 4336f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindolavoid MCStreamer::EmitCFIEscape(StringRef Values) { 4346f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola EnsureValidFrame(); 4356f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 4366f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 4376f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola EmitLabel(Label); 4386f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::Escape, Label, Values); 4396f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola CurFrame->Instructions.push_back(Instruction); 4406f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola} 4416f0b181bc70318f8d5d4b9bdead7fc748677fe2aRafael Espindola 44291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 443ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis W64UnwindInfos.push_back(Frame); 444ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis CurrentW64UnwindInfo = W64UnwindInfos.back(); 4459c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 4469c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 4470855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 44891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4490855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 4500855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 4510855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4520855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 453fbc539ff37ddd08c2480be9185e7a40919ce8940Charles Davisvoid MCStreamer::EmitWin64EHStartProc(const MCSymbol *Symbol) { 45491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 4550855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 4560855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 4574eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 458ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 459ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = Symbol; 460ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 461ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 4620855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 4630855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 4640855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 4650855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 46691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 46791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 4680855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 4690855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 4700855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 471ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 472ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 473440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 47491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 4754eeb7b662b78f5c520fb258b3f9df18b1227cde5Charles Davis MCWin64EHUnwindInfo *Frame = new MCWin64EHUnwindInfo; 47691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 477ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Begin = getContext().CreateTempSymbol(); 478ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->Function = CurFrame->Function; 479ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis Frame->ChainedParent = CurFrame; 480ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis EmitLabel(Frame->Begin); 481ca93138e11f404a19553049a569f1fa6ad491b67Charles Davis setCurrentW64UnwindInfo(Frame); 482f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 483f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 484440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 48591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 48691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 48791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 48891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 48991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 49091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 49191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 492f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 493f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 494440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 495440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 496440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 497440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 49881f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 49981f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 500440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 501321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (!Except && !Unwind) 502440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 503321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Unwind) 504321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesUnwind = true; 505321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis if (Except) 506321fe74b2d40d7762175fbd3054fda00b5e70833Charles Davis CurFrame->HandlesExceptions = true; 507440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 508440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 509440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 510d0b76d00048352affac4fad0ef005e28f5340b76Charles Davis EnsureValidW64UnwindInfo(); 51181f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 51281f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis if (CurFrame->ChainedParent) 51381f3830f2ed0b26e8bd7ae62e127db427f9f350dCharles Davis report_fatal_error("Chained unwind areas can't have handlers!"); 514f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 515f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 516c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 517c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 518c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 519c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 520c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Label, Register); 521c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 522c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 523f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 524f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 525c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 526c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 527c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 528c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->LastFrameInst >= 0) 529c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("Frame register and offset already specified!"); 530edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 531edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned frame pointer offset!"); 532c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, NULL, Register, Offset); 5335c2256a5719172273eaef198f92d8af924ff8623Charles Davis CurFrame->LastFrameInst = CurFrame->Instructions.size(); 534c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 535ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 536ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 537c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 538c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 539edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Size & 7) 540edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned stack allocation!"); 541c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 542c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 543c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Label, Size); 544c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 545c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 546ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 547ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 548c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 549c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 550edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 7) 551edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved register offset!"); 552c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 553c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 554c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 555c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-8 ? Win64EH::UOP_SaveNonVolBig : Win64EH::UOP_SaveNonVol, 556c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 557c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 558c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 559ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 560ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 561c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 562c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 563edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis if (Offset & 0x0F) 564edeecbff0e231c04b7222a79a26017a48668f0e2Charles Davis report_fatal_error("Misaligned saved vector register offset!"); 565c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 566c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 567c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 568c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis Offset > 512*1024-16 ? Win64EH::UOP_SaveXMM128Big : Win64EH::UOP_SaveXMM128, 569c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis Label, Register, Offset); 570c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 571c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 572ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 573ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 574440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 575c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 576c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 577c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis if (CurFrame->Instructions.size() > 0) 578c2d3022aa6104a21f4368c522ccbf9a4d282b7c6Charles Davis report_fatal_error("If present, PushMachFrame must be the first UOP"); 579c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCSymbol *Label = getContext().CreateTempSymbol(); 580c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Label, Code); 581c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4efCharles Davis EmitLabel(Label); 582c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 583ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 584ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 585440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 58661558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 58761558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 58861558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 58961558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 590cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 591cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 5928f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindolavoid MCStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) { 5938f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola assert(0 && "This file format doesn't support this directive"); 5948f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola} 5958f7d12ccfd8feb258bdf4e582592bc00beacc7c6Rafael Espindola 596b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnStart() { 597b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 598b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 599b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 600b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 601b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnEnd() { 602b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 603b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 604b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 605b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 606b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitCantUnwind() { 607b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 608b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 609b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 610b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 611b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitHandlerData() { 612b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 613b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 614b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 615b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 616b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitPersonality(const MCSymbol *Personality) { 617b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 618b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 619b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 620b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 62157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { 62257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 62357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 62457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 62557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 62657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitPad(int64_t Offset) { 62757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 62857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 62957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 63057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 63157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool) { 63257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 63357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 63457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 63557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 636ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 63791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 63891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 63991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 64091bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 64191bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 64291bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 64391bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 64458bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 64558bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 64658bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 64758bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 64858bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 64958bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 650c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 651c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindolavoid MCStreamer::EmitFrames(bool usingCFI) { 652c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 653c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 654c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 655c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 65640a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, true); 65740a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 65840a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 65940a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, false); 660c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 66138ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 66238ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davisvoid MCStreamer::EmitW64Tables() { 66338ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis if (!getNumW64UnwindInfos()) 66438ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis return; 66538ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis 66638ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis MCWin64EHUnwindEmitter::Emit(*this); 66738ea9eecd7c810e11f96c8306b241f9db88fc62fCharles Davis} 66899b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 66999b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindolavoid MCStreamer::Finish() { 67099b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola if (!FrameInfos.empty() && !FrameInfos.back().End) 67199b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola report_fatal_error("Unfinished frame!"); 67299b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola 67399b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola FinishImpl(); 67499b4237c1647156f0e1d3d7e03efdab23ed79778Rafael Espindola} 675