MCStreamer.cpp revision 61558aaf4f924fd44fd2f275fcb7ab7199ede304
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), 24f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame(false) { 257d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger const MCSection *section = NULL; 267d0805dcb82e9ba1d90ce8d702169683b9caded7Joerg Sonnenberger SectionStack.push_back(std::make_pair(section, section)); 27a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 28a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar 29a11af531ec48ad84f790b9511f003ac5c934a999Daniel DunbarMCStreamer::~MCStreamer() { 30a11af531ec48ad84f790b9511f003ac5c934a999Daniel Dunbar} 31ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner 32a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context, 33a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *A, 34a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCSymbol *B) { 35a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; 36a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *ARef = 37a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(A, Variant, Context); 38a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *BRef = 39a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbolRefExpr::Create(B, Variant, Context); 40a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola const MCExpr *AddrDelta = 41a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCBinaryExpr::Create(MCBinaryExpr::Sub, ARef, BRef, Context); 42a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return AddrDelta; 43a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 44a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 45a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindolaconst MCExpr *MCStreamer::ForceExpAbs(MCStreamer *Streamer, 46a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCContext &Context, const MCExpr* Expr) { 47a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola if (Context.getAsmInfo().hasAggressiveSymbolFolding()) 48a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return Expr; 49a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 50a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola MCSymbol *ABS = Context.CreateTempSymbol(); 51a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola Streamer->EmitAssignment(ABS, Expr); 52a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola return MCSymbolRefExpr::Create(ABS, Context); 53a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola} 54a37bd1d02c0e3d93474fdf30352bf4a425cbe25bRafael Espindola 55d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattnerraw_ostream &MCStreamer::GetCommentOS() { 56d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner // By default, discard comments. 57d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner return nulls(); 58d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner} 59d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 6032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindolavoid MCStreamer::EmitDwarfSetLineAddr(int64_t LineDelta, 6132a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola const MCSymbol *Label, int PointerSize) { 6232a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence to set the address 6332a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNS_extended_op, 1); 6432a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitULEB128IntValue(PointerSize + 1); 6532a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitIntValue(dwarf::DW_LNE_set_address, 1); 6632a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola EmitSymbolValue(Label, PointerSize); 6732a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola 6832a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola // emit the sequence for the LineDelta (from 1) and a zero address delta. 6932a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola MCDwarfLineAddr::Emit(this, LineDelta, 0); 7032a006e606742b1c5401e49607e33717bb5441f0Rafael Espindola} 71d79d9dce47d505369662ae5111dba24f9ccdef68Chris Lattner 7232ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// EmitIntValue - Special case of EmitValue that avoids the client having to 7332ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner/// pass in a MCExpr for constant integers. 7432ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattnervoid MCStreamer::EmitIntValue(uint64_t Value, unsigned Size, 7532ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner unsigned AddrSpace) { 76dea914bed9fb1d5c08e944557989ccddb6849000Devang Patel assert(Size <= 8 && "Invalid size"); 77818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay assert((isUIntN(8 * Size, Value) || isIntN(8 * Size, Value)) && 78818b5f5dd7979b097564f829896353df286127ffMatt Beaumont-Gay "Invalid size"); 792df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola char buf[8]; 802df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola // FIXME: Endianness assumption. 812df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola for (unsigned i = 0; i != Size; ++i) 822df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola buf[i] = uint8_t(Value >> (i * 8)); 832df042cb32ecb8d2e1d499dfa27d5074c8b40e13Rafael Espindola EmitBytes(StringRef(buf, Size), AddrSpace); 8432ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner} 8532ae3fe0ba469240753e2342e36485f7c9acfb5cChris Lattner 863ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitULEB128Value - Special case of EmitULEB128Value that avoids the 873ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 883ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitULEB128IntValue(uint64_t Value, unsigned AddrSpace) { 89660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 90660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 91660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola MCObjectWriter::EncodeULEB128(Value, OSE); 92660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 93c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 94c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 953ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// EmitSLEB128Value - Special case of EmitSLEB128Value that avoids the 963ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindola/// client having to pass in a MCExpr for constant integers. 973ff57094a7d176a759ddb1e1668489d89064f56cRafael Espindolavoid MCStreamer::EmitSLEB128IntValue(int64_t Value, unsigned AddrSpace) { 98660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola SmallString<32> Tmp; 99660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola raw_svector_ostream OSE(Tmp); 100660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola MCObjectWriter::EncodeSLEB128(Value, OSE); 101660b5fc4d019bf22fbe14dfb81c5b59444fa3506Rafael Espindola EmitBytes(OSE.str(), AddrSpace); 102c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby} 103c095793b4ab027181605c79c9808df12afe45d63Kevin Enderby 1040bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindolavoid MCStreamer::EmitAbsValue(const MCExpr *Value, unsigned Size, 1050bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola unsigned AddrSpace) { 10690a5a0cd7c353651c953020b1e41b4c6e2f21883Rafael Espindola if (getContext().getAsmInfo().hasAggressiveSymbolFolding()) { 1070bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitValue(Value, Size, AddrSpace); 1080bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola return; 1090bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola } 1100bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola MCSymbol *ABS = getContext().CreateTempSymbol(); 1110bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitAssignment(ABS, Value); 1120bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola EmitSymbolValue(ABS, Size, AddrSpace); 1130bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola} 1140bbe0b440ee2cef47dcb7b281825eb70341c16ddRafael Espindola 11589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 11689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitValue(const MCExpr *Value, unsigned Size, 11789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola unsigned AddrSpace) { 118debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(Value, Size, AddrSpace); 11989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 12089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 12189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EmitSymbolValue(const MCSymbol *Sym, unsigned Size, 122debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola unsigned AddrSpace) { 123debd7e4e8bc5cfe61bfb71835ce2b1a3fbccc2beRafael Espindola EmitValueImpl(MCSymbolRefExpr::Create(Sym, getContext()), Size, 12489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola AddrSpace); 12589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 12689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1273e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindolavoid MCStreamer::EmitGPRel32Value(const MCExpr *Value) { 1283e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola report_fatal_error("unsupported directive in streamer"); 1293e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola} 1303e03211625bba5bbb70a193c140ebf4dd8388bb7Rafael Espindola 131ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// EmitFill - Emit NumBytes bytes worth of the value specified by 132ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner/// FillValue. This implements directives such as '.space'. 133aaec205b87637cd0d59d4f11630db603686eb73dChris Lattnervoid MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue, 134aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner unsigned AddrSpace) { 135ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner const MCExpr *E = MCConstantExpr::Create(FillValue, getContext()); 136ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner for (uint64_t i = 0, e = NumBytes; i != e; ++i) 137aaec205b87637cd0d59d4f11630db603686eb73dChris Lattner EmitValue(E, 1, AddrSpace); 138ddf6bdde44287b5b559bc403a02ff971e15e8303Chris Lattner} 13991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner 140af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolabool MCStreamer::EmitDwarfFileDirective(unsigned FileNo, 141af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola StringRef Filename) { 142af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola return getContext().GetDwarfFile(Filename, FileNo) == 0; 143af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 144af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 145af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindolavoid MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line, 146af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Column, unsigned Flags, 147af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola unsigned Isa, 1483f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel unsigned Discriminator, 1493f3bf9387b75f4c932e4c59bd7af719d26ae4b99Devang Patel StringRef FileName) { 150af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola getContext().setCurrentDwarfLoc(FileNo, Line, Column, Flags, Isa, 151af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola Discriminator); 152af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola} 153af6b5808756d6ce335df9eb158efa33894b401c4Rafael Espindola 15489b9372605db2ce3b0085c84089e389f7bc1fbddRafael EspindolaMCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() { 15589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (FrameInfos.empty()) 15689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return NULL; 15789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola return &FrameInfos.back(); 15889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 15989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 16089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindolavoid MCStreamer::EnsureValidFrame() { 16189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 16289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola if (!CurFrame || CurFrame->End) 16389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("No open frame"); 16489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola} 16589b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola 1668bca4106dfc2945723251db10e340183f3e372ddRafael Espindolavoid MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol, 1678bca4106dfc2945723251db10e340183f3e372ddRafael Espindola MCSymbol *EHSymbol) { 1688bca4106dfc2945723251db10e340183f3e372ddRafael Espindola} 1698bca4106dfc2945723251db10e340183f3e372ddRafael Espindola 170ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindolavoid MCStreamer::EmitLabel(MCSymbol *Symbol) { 171ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(!Symbol->isVariable() && "Cannot emit a variable symbol!"); 172ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola assert(getCurrentSection() && "Cannot emit before setting section!"); 173ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola Symbol->setSection(*getCurrentSection()); 174ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 175ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola StringRef Prefix = getContext().getAsmInfo().getPrivateGlobalPrefix(); 176ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola if (!Symbol->getName().startswith(Prefix)) 177ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola LastNonPrivate = Symbol; 178ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola} 179ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola 180f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindolavoid MCStreamer::EmitCFISections(bool EH, bool Debug) { 181713c4bfc36260bfc9273d414b14757bd7819f9b1Rafael Espindola assert(EH || Debug); 182f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitEHFrame = EH; 183f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola EmitDebugFrame = Debug; 184f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola} 185f9efd83166401bca542c6702ea329f9901c4e04bRafael Espindola 186066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIStartProc() { 18789b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 188066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindola if (CurFrame && !CurFrame->End) 18989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola report_fatal_error("Starting a frame before finishing the previous one!"); 1905bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MCDwarfFrameInfo Frame; 19189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola Frame.Begin = getContext().CreateTempSymbol(); 192ed708f9c1facb9928ef2f79503e7030c8f25b00dRafael Espindola Frame.Function = LastNonPrivate; 19389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitLabel(Frame.Begin); 19489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola FrameInfos.push_back(Frame); 195cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 196cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 197066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIEndProc() { 19889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 19989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 20089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->End = getContext().CreateTempSymbol(); 20189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EmitLabel(CurFrame->End); 202cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 203cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 204066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfa(int64_t Register, int64_t Offset) { 205b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EnsureValidFrame(); 206b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 207b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 208b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola EmitLabel(Label); 209b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 210b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MachineLocation Source(Register, -Offset); 211b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 212b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola CurFrame->Instructions.push_back(Instruction); 213b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola} 214b40a71fda188f8ca564e606ac2cb051a44ada311Rafael Espindola 215066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaOffset(int64_t Offset) { 21689b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 2175bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2185bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 2195bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola EmitLabel(Label); 2205bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 2215bba08425374ca36fe5fbc7423ce1a09858e4097Rafael Espindola MachineLocation Source(MachineLocation::VirtualFP, -Offset); 222fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 223fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 224cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 225cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 2265d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindolavoid MCStreamer::EmitCFIAdjustCfaOffset(int64_t Adjustment) { 2275d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola EnsureValidFrame(); 2285d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 2295d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 2305d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola EmitLabel(Label); 2315d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MachineLocation Dest(MachineLocation::VirtualFP); 2325d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MachineLocation Source(MachineLocation::VirtualFP, Adjustment); 2335d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); 2345d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola CurFrame->Instructions.push_back(Instruction); 2355d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola} 2365d7dcd3335234d2a2bc16dc69f86fbb5dcaa8962Rafael Espindola 237066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIDefCfaRegister(int64_t Register) { 23889b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 239b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 240b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 241b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola EmitLabel(Label); 242b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MachineLocation Dest(Register); 243b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MachineLocation Source(MachineLocation::VirtualFP); 244b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 245b4601bd2ffdde372f1323f6b6ec98acd433501ceRafael Espindola CurFrame->Instructions.push_back(Instruction); 246cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 247cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 248066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIOffset(int64_t Register, int64_t Offset) { 24989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 250b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 251b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 252b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola EmitLabel(Label); 253b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MachineLocation Dest(Register, Offset); 254b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MachineLocation Source(Register, Offset); 255b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola MCCFIInstruction Instruction(Label, Dest, Source); 256b790a17efba26f4365b5ffb847dd53fde063c48dRafael Espindola CurFrame->Instructions.push_back(Instruction); 257cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 258cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 25925f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindolavoid MCStreamer::EmitCFIRelOffset(int64_t Register, int64_t Offset) { 26025f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola EnsureValidFrame(); 26125f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 26225f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 26325f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola EmitLabel(Label); 26425f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MachineLocation Dest(Register, Offset); 26525f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MachineLocation Source(Register, Offset); 26625f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::RelMove, Label, Dest, Source); 26725f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola CurFrame->Instructions.push_back(Instruction); 26825f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola} 26925f492e77858dc5a95fcd7180e73aff47925b668Rafael Espindola 270066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIPersonality(const MCSymbol *Sym, 2713a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola unsigned Encoding) { 27289b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 27389b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 27489b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Personality = Sym; 2753a83c40ab61d5ca624f2bbadd70237c6adbdb304Rafael Espindola CurFrame->PersonalityEncoding = Encoding; 276cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 277cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 278066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFILsda(const MCSymbol *Sym, unsigned Encoding) { 27989b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola EnsureValidFrame(); 28089b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 28189b9372605db2ce3b0085c84089e389f7bc1fbddRafael Espindola CurFrame->Lsda = Sym; 282bdc3167c086dd4358e24692075db5e7784140843Rafael Espindola CurFrame->LsdaEncoding = Encoding; 283cdfecc8759941c2996214070478d30084b79d463Rafael Espindola} 284cdfecc8759941c2996214070478d30084b79d463Rafael Espindola 285066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRememberState() { 286fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EnsureValidFrame(); 287fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 288fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 289fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EmitLabel(Label); 290fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::Remember, Label); 291fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 292fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 293fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 294066c2f495ae396ce5335e374c45b1e4ace4f2470Rafael Espindolavoid MCStreamer::EmitCFIRestoreState() { 295fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola // FIXME: Error if there is no matching cfi_remember_state. 296fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EnsureValidFrame(); 297fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 298fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 299fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola EmitLabel(Label); 300fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::Restore, Label); 301fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola CurFrame->Instructions.push_back(Instruction); 302fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola} 303fe024d0a624404ada11fb330e7360abc5f88742eRafael Espindola 304c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindolavoid MCStreamer::EmitCFISameValue(int64_t Register) { 305c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola EnsureValidFrame(); 306c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); 307c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCSymbol *Label = getContext().CreateTempSymbol(); 308c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola EmitLabel(Label); 309c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola MCCFIInstruction Instruction(MCCFIInstruction::SameValue, Label, Register); 310c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola CurFrame->Instructions.push_back(Instruction); 311c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola} 312c57543964d1382d3d3a5005f415b6c0f49671b3aRafael Espindola 31391d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davisvoid MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { 31491d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis W64UnwindInfos.push_back(*Frame); 31591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = &W64UnwindInfos.back(); 3169c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis} 3179c77398d1c89f615735d304cd7eda3c3e9b1504fCharles Davis 3180855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EnsureValidW64UnwindInfo() { 31991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3200855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (!CurFrame || CurFrame->End) 3210855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("No open Win64 EH frame function!"); 3220855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 3230855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 324440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartProc(MCSymbol *Symbol) { 32591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 3260855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis if (CurFrame && !CurFrame->End) 3270855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Starting a function before ending the previous one!"); 3280855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis MCWin64EHUnwindInfo Frame; 3290855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis Frame.Begin = getContext().CreateTempSymbol(); 3300855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis Frame.Function = Symbol; 3310855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(Frame.Begin); 33291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis setCurrentW64UnwindInfo(&Frame); 3330855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis} 3340855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis 3350855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davisvoid MCStreamer::EmitWin64EHEndProc() { 3360855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EnsureValidW64UnwindInfo(); 33791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 33891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (CurFrame->ChainedParent) 3390855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis report_fatal_error("Not all chained regions terminated!"); 3400855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis CurFrame->End = getContext().CreateTempSymbol(); 3410855bc5b973320052c87bdcc2fa17b9711edc3deCharles Davis EmitLabel(CurFrame->End); 342ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 343ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 344440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHStartChained() { 34591d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 34691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo Frame; 34791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 34891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis Frame.Begin = getContext().CreateTempSymbol(); 34991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis Frame.Function = CurFrame->Function; 35091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis Frame.ChainedParent = CurFrame; 35191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(Frame.Begin); 35291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis setCurrentW64UnwindInfo(&Frame); 353f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 354f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 355440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndChained() { 35691d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EnsureValidW64UnwindInfo(); 35791d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 35891d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis if (!CurFrame->ChainedParent) 35991d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis report_fatal_error("End of a chained region outside a chained region!"); 36091d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurFrame->End = getContext().CreateTempSymbol(); 36191d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis EmitLabel(CurFrame->End); 36291d9a1c0f7c598d51c50f80bc9e8dfc1494f78c1Charles Davis CurrentW64UnwindInfo = CurFrame->ChainedParent; 363f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 364f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 365440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandler(const MCSymbol *Sym, bool Unwind, 366440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis bool Except) { 367440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis EnsureValidW64UnwindInfo(); 368440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 369440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->ExceptionHandler = Sym; 370440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis if (Unwind) 371440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis CurFrame->UnwindOnly = true; 372440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis else if (!Except) 373440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis report_fatal_error("Don't know what kind of handler this is!"); 374440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis} 375440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davis 376440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHHandlerData() { 377f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis errs() << "Not implemented yet\n"; 378f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis abort(); 379f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 380f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 381c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHPushReg(unsigned Register) { 382c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 383c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 384c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushNonVol, Register); 385c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 386f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis} 387f07090134d06e0cf3508e8b8e87d775f0a7982c1Charles Davis 388c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) { 389c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 390c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 391c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, Register, Offset); 392c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 393ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 394ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 395c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHAllocStack(unsigned Size) { 396c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 397c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 398c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst(Size); 399c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 400ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 401ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 402c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveReg(unsigned Register, unsigned Offset) { 403c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 404c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 405c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 406c3b162857a587c9877e903f038471b882b213232Charles Davis Offset > 0xFFFF ? Win64EH::UOP_SaveNonVol : Win64EH::UOP_SaveNonVolBig, 407c3b162857a587c9877e903f038471b882b213232Charles Davis Register, Offset); 408c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 409ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 410ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 411c3b162857a587c9877e903f038471b882b213232Charles Davisvoid MCStreamer::EmitWin64EHSaveXMM(unsigned Register, unsigned Offset) { 412c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 413c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 414c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst( 415c3b162857a587c9877e903f038471b882b213232Charles Davis Offset > 0xFFFF ? Win64EH::UOP_SaveXMM128 : Win64EH::UOP_SaveXMM128Big, 416c3b162857a587c9877e903f038471b882b213232Charles Davis Register, Offset); 417c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 418ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 419ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 420440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHPushFrame(bool Code) { 421c3b162857a587c9877e903f038471b882b213232Charles Davis EnsureValidW64UnwindInfo(); 422c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 423c3b162857a587c9877e903f038471b882b213232Charles Davis MCWin64EHInstruction Inst(Win64EH::UOP_PushMachFrame, Code); 424c3b162857a587c9877e903f038471b882b213232Charles Davis CurFrame->Instructions.push_back(Inst); 425ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis} 426ff96a12db635daf4f88cfea899e63a885dfaa9edCharles Davis 427440596ffe5bb77a202acb36d5eadd158976ff39aCharles Davisvoid MCStreamer::EmitWin64EHEndProlog() { 42861558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EnsureValidW64UnwindInfo(); 42961558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis MCWin64EHUnwindInfo *CurFrame = CurrentW64UnwindInfo; 43061558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis CurFrame->PrologEnd = getContext().CreateTempSymbol(); 43161558aaf4f924fd44fd2f275fcb7ab7199ede304Charles Davis EmitLabel(CurFrame->PrologEnd); 432cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis} 433cacdc4fc41f035c149d5f1b92acd587d475ffd58Charles Davis 434b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnStart() { 435b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 436b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 437b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 438b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 439b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitFnEnd() { 440b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 441b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 442b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 443b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 444b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitCantUnwind() { 445b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 446b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 447b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 448b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 449b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitHandlerData() { 450b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 451b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 452b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 453b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 454b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikovvoid MCStreamer::EmitPersonality(const MCSymbol *Personality) { 455b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov errs() << "Not implemented yet\n"; 456b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov abort(); 457b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov} 458b5e16af9ea04cc1f94ca631104e5e6be96546aa1Anton Korobeynikov 45957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitSetFP(unsigned FpReg, unsigned SpReg, int64_t Offset) { 46057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 46157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 46257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 46357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 46457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitPad(int64_t Offset) { 46557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 46657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 46757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 46857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 46957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid MCStreamer::EmitRegSave(const SmallVectorImpl<unsigned> &RegList, bool) { 47057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov errs() << "Not implemented yet\n"; 47157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov abort(); 47257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 47357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 474ab3b3651add0915a5a051b177029ad117a877f52Matt Fleming/// EmitRawText - If this file is backed by an assembly streamer, this dumps 47591bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// the specified string in the output .s file. This capability is 47691bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner/// indicated by the hasRawTextSupport() predicate. 47791bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattnervoid MCStreamer::EmitRawText(StringRef String) { 47891bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner errs() << "EmitRawText called on an MCStreamer that doesn't support it, " 47991bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner " something must not be fully mc'ized\n"; 48091bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner abort(); 48191bead790518fcf5cb26019fb1ebf2372e8a5b3fChris Lattner} 48258bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner 48358bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattnervoid MCStreamer::EmitRawText(const Twine &T) { 48458bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner SmallString<128> Str; 48558bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner T.toVector(Str); 48658bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner EmitRawText(Str.str()); 48758bc4dd4a91443ddd3120b0a2f1801ad4d6aae1cChris Lattner} 488c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 489c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindolavoid MCStreamer::EmitFrames(bool usingCFI) { 490c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (!getNumFrameInfos()) 491c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola return; 492c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola 493c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola if (EmitEHFrame) 49440a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, true); 49540a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola 49640a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola if (EmitDebugFrame) 49740a7dbbeff44c4cbd8c7e4f07f28dd614f8a5d08Rafael Espindola MCDwarfFrameEmitter::Emit(*this, usingCFI, false); 498c25dad8750083829d9a8935ce40d0734e5488f8eRafael Espindola} 499