ARMAsmPrinter.cpp revision d4f020a3af325630973df8d3a084d0b0e3b68ebc
197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner//===-- ARMAsmPrinter.cpp - Print machine code to an ARM .s file ----------===// 297f06937449c593a248dbbb1365e6ae408fb9decChris Lattner// 37bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// The LLVM Compiler Infrastructure 47bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 67bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// License. See LICENSE.TXT for details. 77bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// 87bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola//===----------------------------------------------------------------------===// 97bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// 107bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// This file contains a printer that converts from our internal representation 117bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// of machine-dependent LLVM code to GAS-format ARM assembly language. 127bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola// 137bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola//===----------------------------------------------------------------------===// 147bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 1595b2c7da5e83670881270c1cd231a240be0556d9Chris Lattner#define DEBUG_TYPE "asm-printer" 16b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "ARMAsmPrinter.h" 17c1f6f42049696e7357fb4837e1b25dabbaed3fe6Craig Topper#include "ARM.h" 18b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "ARMBuildAttrs.h" 19a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "ARMConstantPoolValue.h" 2097f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "ARMMachineFunctionInfo.h" 2197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "ARMTargetMachine.h" 2217b443df4368acfad853d09858c033c45c468d5cJason W Kim#include "ARMTargetObjectFile.h" 23b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "InstPrinter/ARMInstPrinter.h" 24ee04a6d3a40c3017124e3fd89a0db473a2824498Evan Cheng#include "MCTargetDesc/ARMAddressingModes.h" 25ee04a6d3a40c3017124e3fd89a0db473a2824498Evan Cheng#include "MCTargetDesc/ARMMCExpr.h" 263f282aa94b80f4a93ff3cbc37cf3cd4a851c8432Dale Johannesen#include "llvm/Analysis/DebugInfo.h" 277bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Constants.h" 287bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Module.h" 29e55b15fa4753ef08cbfa2127d2d220b77aa07d87Benjamin Kramer#include "llvm/Type.h" 30cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman#include "llvm/Assembly/Writer.h" 31b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/CodeGen/MachineModuleInfoImpls.h" 327bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/CodeGen/MachineFunctionPass.h" 33a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/CodeGen/MachineJumpTableInfo.h" 34b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/MC/MCAsmInfo.h" 35cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola#include "llvm/MC/MCAssembler.h" 36b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/MC/MCContext.h" 3797f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "llvm/MC/MCInst.h" 38f9bdeddb96043559c61f176f8077e3b91a0c544fChris Lattner#include "llvm/MC/MCSectionMachO.h" 39cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola#include "llvm/MC/MCObjectStreamer.h" 406c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner#include "llvm/MC/MCStreamer.h" 41325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner#include "llvm/MC/MCSymbol.h" 42d62f1b4168d4327c119642d28c26c836ae6717abChris Lattner#include "llvm/Target/Mangler.h" 43b01c4bbb4573e0007444e218b683840e4519e0c8Rafael Espindola#include "llvm/Target/TargetData.h" 447bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Target/TargetMachine.h" 45c40d9f9bae70c83947bf8fa5f9ee97adbf1bb0c0Jim Grosbach#include "llvm/ADT/SmallString.h" 4697f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "llvm/Support/CommandLine.h" 4759135f49e1699daec9a43fc2d15715d55b910f54Devang Patel#include "llvm/Support/Debug.h" 483046470919e648ff7c011bda9c094163062c83dcTorok Edwin#include "llvm/Support/ErrorHandling.h" 493e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetRegistry.h" 50b23569aff0a6d2b231cb93cc4acd0ac060ba560fChris Lattner#include "llvm/Support/raw_ostream.h" 517bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include <cctype> 527bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolausing namespace llvm; 537bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 5495b2c7da5e83670881270c1cd231a240be0556d9Chris Lattnernamespace { 55cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 56cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Per section and per symbol attributes are not supported. 57cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // To implement them we would need the ability to delay this emission 58cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // until the assembly file is fully parsed/generated as only then do we 59cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // know the symbol and section numbers. 60cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AttributeEmitter { 61cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 62cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void MaybeSwitchVendor(StringRef Vendor) = 0; 63cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void EmitAttribute(unsigned Attribute, unsigned Value) = 0; 64f009a961caa75465999ef3bc764984d97a7da331Jason W Kim virtual void EmitTextAttribute(unsigned Attribute, StringRef String) = 0; 65cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void Finish() = 0; 664921e2356ef8f3b3f9ebd0c154b091c3d5dd2ce4Rafael Espindola virtual ~AttributeEmitter() {} 67cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 68cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 69cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AsmAttributeEmitter : public AttributeEmitter { 70cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCStreamer &Streamer; 71cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 72cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 73cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AsmAttributeEmitter(MCStreamer &Streamer_) : Streamer(Streamer_) {} 74cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { } 75cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 76cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 77cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Streamer.EmitRawText("\t.eabi_attribute " + 78cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Twine(Attribute) + ", " + Twine(Value)); 79cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 80cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 81f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 82f009a961caa75465999ef3bc764984d97a7da331Jason W Kim switch (Attribute) { 83bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("Unsupported Text attribute in ASM Mode"); 84f009a961caa75465999ef3bc764984d97a7da331Jason W Kim case ARMBuildAttrs::CPU_name: 85590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitRawText(StringRef("\t.cpu ") + String.lower()); 86f009a961caa75465999ef3bc764984d97a7da331Jason W Kim break; 87728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* GAS requires .fpu to be emitted regardless of EABI attribute */ 88728ff0db783152ed4f21f7746bd7874b49708172Renato Golin case ARMBuildAttrs::Advanced_SIMD_arch: 89728ff0db783152ed4f21f7746bd7874b49708172Renato Golin case ARMBuildAttrs::VFP_arch: 90590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitRawText(StringRef("\t.fpu ") + String.lower()); 918e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach break; 92f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 93f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 94cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { } 95cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 96cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 97cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class ObjectAttributeEmitter : public AttributeEmitter { 98719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // This structure holds all attributes, accounting for 99719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // their string/numeric value, so we can later emmit them 100719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // in declaration order, keeping all in the same vector 101719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin struct AttributeItemType { 102719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin enum { 103719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin HiddenAttribute = 0, 104719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin NumericAttribute, 105719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin TextAttribute 106719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } Type; 107719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned Tag; 108719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned IntValue; 109719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef StringValue; 110719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } AttributeItem; 111719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 112cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &Streamer; 113cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola StringRef CurrentVendor; 114719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin SmallVector<AttributeItemType, 64> Contents; 115719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 116719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Account for the ULEB/String size of each item, 117719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // not just the number of items 118719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t ContentsSize; 119719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // FIXME: this should be in a more generic place, but 120719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // getULEBSize() is in MCAsmInfo and will be moved to MCDwarf 121719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t getULEBSize(int Value) { 122719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t Size = 0; 123719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin do { 124719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value >>= 7; 125719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Size += sizeof(int8_t); // Is this really necessary? 126719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } while (Value); 127719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin return Size; 128719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 129cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 130cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 131cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola ObjectAttributeEmitter(MCObjectStreamer &Streamer_) : 132719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer(Streamer_), CurrentVendor(""), ContentsSize(0) { } 133cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 134cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { 135cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola assert(!Vendor.empty() && "Vendor cannot be empty."); 136cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 137cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola if (CurrentVendor.empty()) 138cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 139cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else if (CurrentVendor == Vendor) 140cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola return; 141cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else 142cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Finish(); 143cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 144cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 145cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1463336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola assert(Contents.size() == 0); 147cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 148cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 149cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 150719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 151719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::NumericAttribute, 152719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 153719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value, 154719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef("") 155719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 156719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 157719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Value); 158719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 159cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 160cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 161f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 162719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 163719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::TextAttribute, 164719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 165719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 0, 166719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin String 167719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 168719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 169719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // String + \0 170719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += String.size()+1; 171719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 172719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 173f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 174f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 175cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { 1763336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Vendor size + Vendor name + '\0' 1773336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t VendorHeaderSize = 4 + CurrentVendor.size() + 1; 178cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1793336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Tag + Tag Size 1803336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t TagHeaderSize = 1 + 4; 181cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1823336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(VendorHeaderSize + TagHeaderSize + ContentsSize, 4); 1833336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitBytes(CurrentVendor, 0); 1843336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(0, 1); // '\0' 1853336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 1863336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(ARMBuildAttrs::File, 1); 1873336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(TagHeaderSize + ContentsSize, 4); 188cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 189719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Size should have been accounted for already, now 190719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // emit each field as its type (ULEB or String) 191719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin for (unsigned int i=0; i<Contents.size(); ++i) { 192719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType item = Contents[i]; 193719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.Tag, 0); 194719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin switch (item.Type) { 195bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("Invalid attribute type"); 196719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::NumericAttribute: 197719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.IntValue, 0); 198719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 199719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::TextAttribute: 200590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitBytes(item.StringValue.upper(), 0); 201719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitIntValue(0, 1); // '\0' 202719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 203719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 204719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 2053336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 2063336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Contents.clear(); 207cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 208cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 209cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 2107bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} // end of anonymous namespace 2117bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 212baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachMachineLocation ARMAsmPrinter:: 213baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachgetDebugValueLocation(const MachineInstr *MI) const { 214baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach MachineLocation Location; 215baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!"); 216baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach // Frame address. Currently handles register +- offset only. 217baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm()) 218baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach Location.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm()); 219baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach else { 220baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n"); 221baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach } 222baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach return Location; 223baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach} 224baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach 22527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel/// EmitDwarfRegOp - Emit dwarf register operation. 2260be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patelvoid ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { 22727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel const TargetRegisterInfo *RI = TM.getRegisterInfo(); 22827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1) 2290be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patel AsmPrinter::EmitDwarfRegOp(MLoc); 23027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel else { 23127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Reg = MLoc.getReg(); 23227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (Reg >= ARM::S0 && Reg <= ARM::S31) { 2330a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::S0 + 31 == ARM::S31 && "Unexpected ARM S register numbering"); 23427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S registers are described as bit-pieces of a register 23527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 0) 23627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x+1] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 32) 2378e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 23827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned SReg = Reg - ARM::S0; 23927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel bool odd = SReg & 0x1; 24027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Rx = 256 + (SReg >> 1); 24127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_regx for S register"); 24327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_regx); 24427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment(Twine(SReg)); 24627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(Rx); 24727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (odd) { 24927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 32"); 25027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 25127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } else { 25427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 0"); 25527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 25627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(0); 25827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 25971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel } else if (Reg >= ARM::Q0 && Reg <= ARM::Q15) { 2600a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::Q0 + 15 == ARM::Q15 && "Unexpected ARM Q register numbering"); 26171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel // Q registers Q0-Q15 are described by composing two D registers together. 2628e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // Qx = DW_OP_regx(256+2x) DW_OP_piece(8) DW_OP_regx(256+2x+1) 2638e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // DW_OP_piece(8) 26471f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 26571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned QReg = Reg - ARM::Q0; 26671f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D1 = 256 + 2 * QReg; 26771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D2 = D1 + 1; 2688e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 26971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D1"); 27071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 27171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D1); 27271f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 27371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 27471f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 27571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 27671f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D2"); 27771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 27871f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D2); 27971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 28071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 28171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 28227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 28327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 28427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel} 28527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 286953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattnervoid ARMAsmPrinter::EmitFunctionEntryLabel() { 2872fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.ForceCodeRegion(); 2882fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 289953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner if (AFI->isThumbFunction()) { 290ce79299f78bb04e76e1860ab119b85d69f3a19c7Jim Grosbach OutStreamer.EmitAssemblerFlag(MCAF_Code16); 2916469540adf63d94a876c2b623cb4ca70479647f7Rafael Espindola OutStreamer.EmitThumbFunc(CurrentFnSym); 292953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner } 293b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 294953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner OutStreamer.EmitLabel(CurrentFnSym); 295953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner} 296953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner 29734982576a43887e7f062ed0a3571af2cbab003f3James Molloyvoid ARMAsmPrinter::EmitXXStructor(const Constant *CV) { 29834982576a43887e7f062ed0a3571af2cbab003f3James Molloy uint64_t Size = TM.getTargetData()->getTypeAllocSize(CV->getType()); 29934982576a43887e7f062ed0a3571af2cbab003f3James Molloy assert(Size && "C++ constructor pointer had zero size!"); 30034982576a43887e7f062ed0a3571af2cbab003f3James Molloy 3014a1ff2fb3ecaa2576ecf9ed84816b174c235ac1dBill Wendling const GlobalValue *GV = dyn_cast<GlobalValue>(CV->stripPointerCasts()); 30234982576a43887e7f062ed0a3571af2cbab003f3James Molloy assert(GV && "C++ constructor pointer was not a GlobalValue!"); 30334982576a43887e7f062ed0a3571af2cbab003f3James Molloy 30434982576a43887e7f062ed0a3571af2cbab003f3James Molloy const MCExpr *E = MCSymbolRefExpr::Create(Mang->getSymbol(GV), 30534982576a43887e7f062ed0a3571af2cbab003f3James Molloy (Subtarget->isTargetDarwin() 30634982576a43887e7f062ed0a3571af2cbab003f3James Molloy ? MCSymbolRefExpr::VK_None 30734982576a43887e7f062ed0a3571af2cbab003f3James Molloy : MCSymbolRefExpr::VK_ARM_TARGET1), 30834982576a43887e7f062ed0a3571af2cbab003f3James Molloy OutContext); 30934982576a43887e7f062ed0a3571af2cbab003f3James Molloy 31034982576a43887e7f062ed0a3571af2cbab003f3James Molloy OutStreamer.EmitValue(E, Size); 31134982576a43887e7f062ed0a3571af2cbab003f3James Molloy} 31234982576a43887e7f062ed0a3571af2cbab003f3James Molloy 3132317e40539aac11da00bd587b5f0def04d989769Jim Grosbach/// runOnMachineFunction - This uses the EmitInstruction() 3147bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// method to print assembly for each instruction. 3157bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// 3167bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolabool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) { 317a8e2989ece6dc46df59b0768184028257f913843Evan Cheng AFI = MF.getInfo<ARMFunctionInfo>(); 3186d63a728586d56eb3e881905beb9db27f520f5d3Evan Cheng MCP = MF.getConstantPool(); 319a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 320d49fe1b6bc4615684c2ec71140a21e9c4cd69ce3Chris Lattner return AsmPrinter::runOnMachineFunction(MF); 32132bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola} 32232bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola 323055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengvoid ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, 32435c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner raw_ostream &O, const char *Modifier) { 325055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng const MachineOperand &MO = MI->getOperand(OpNum); 3265cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov unsigned TF = MO.getTargetFlags(); 3275cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 3282f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola switch (MO.getType()) { 329bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("<unknown operand type>"); 3305bafff36c798608a189c517d37527e4a38863071Bob Wilson case MachineOperand::MO_Register: { 3315bafff36c798608a189c517d37527e4a38863071Bob Wilson unsigned Reg = MO.getReg(); 3328bc86cba60fbb35fbfb52cc32b9e451e6b903a27Chris Lattner assert(TargetRegisterInfo::isPhysicalRegister(Reg)); 33335636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach assert(!MO.getSubReg() && "Subregs should be eliminated!"); 33435636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach O << ARMInstPrinter::getRegisterName(Reg); 3352f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 3365bafff36c798608a189c517d37527e4a38863071Bob Wilson } 337a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_Immediate: { 3385adb66a646e2ec32265263739f5b01c3f50c176aEvan Cheng int64_t Imm = MO.getImm(); 339632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << '#'; 3405cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 341650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_LO16)) 3425cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3435cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 344650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_HI16)) 3455cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 346632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << Imm; 3472f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 348a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3492f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_MachineBasicBlock: 3501b2eb0e8a6aaf034675b17be6d853cb1c666200fChris Lattner O << *MO.getMBB()->getSymbol(); 3512f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola return; 35284b19be6ab9544f72eafb11048a1121f5ea77c95Rafael Espindola case MachineOperand::MO_GlobalAddress: { 35346510a73e977273ec67747eb34cbdb43f815e451Dan Gohman const GlobalValue *GV = MO.getGlobal(); 3545cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 3555cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_LO16)) 3565cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3575cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 3585cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_HI16)) 3595cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 360d62f1b4168d4327c119642d28c26c836ae6717abChris Lattner O << *Mang->getSymbol(GV); 3617751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov 3620c08d092049c025c9ccf7143e39f39dc4e30d6b4Chris Lattner printOffset(MO.getOffset(), O); 3631d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3640ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3652f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 366a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 367a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_ExternalSymbol: { 36810b318bcb39218d2ed525e4862c854bc8d1baf63Chris Lattner O << *GetExternalSymbolSymbol(MO.getSymbolName()); 3691d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3700ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3712f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 372a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3732f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_ConstantPoolIndex: 3741b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetCPISymbol(MO.getIndex()); 3752f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 376a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_JumpTableIndex: 3771b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetJTISymbol(MO.getIndex()); 378a8e2989ece6dc46df59b0768184028257f913843Evan Cheng break; 3792f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola } 3807bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 3817bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 382055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng//===--------------------------------------------------------------------===// 383055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng 3840890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3850890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2, 3860890cf124f00da3dc943c1882f4221955e0281edChris Lattner const MachineBasicBlock *MBB) const { 3870890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 3880890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() 389bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2 3900890cf124f00da3dc943c1882f4221955e0281edChris Lattner << "_set_" << MBB->getNumber(); 3919b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 3920890cf124f00da3dc943c1882f4221955e0281edChris Lattner} 3930890cf124f00da3dc943c1882f4221955e0281edChris Lattner 3940890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3950890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const { 3960890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 3970890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "JTI" 398281e7767df71b3f727ade80a16ff0c4fe5a49dd9Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2; 3999b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 400bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner} 401bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner 402433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 403433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim GrosbachMCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel(void) const { 404433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach SmallString<60> Name; 405433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "SJLJEH" 406433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach << getFunctionNumber(); 407433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return OutContext.GetOrCreateSymbol(Name.str()); 408433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach} 409433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 410055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengbool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum, 411c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner unsigned AsmVariant, const char *ExtraCode, 412c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 413a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Does this asm operand have a single letter operand modifier? 414a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode && ExtraCode[0]) { 415a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode[1] != 0) return true; // Unknown modifier. 4168e9ece75db5045ec057efbbdba6550fa0d85e695Anton Korobeynikov 417a8e2989ece6dc46df59b0768184028257f913843Evan Cheng switch (ExtraCode[0]) { 418a8e2989ece6dc46df59b0768184028257f913843Evan Cheng default: return true; // Unknown modifier. 4199b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'a': // Print as a memory address. 4209b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson if (MI->getOperand(OpNum).isReg()) { 4212f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach O << "[" 4222f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()) 4232f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << "]"; 4249b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson return false; 4259b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson } 4269b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson // Fallthrough 4279b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'c': // Don't print "#" before an immediate operand. 4284f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson if (!MI->getOperand(OpNum).isImm()) 4294f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson return true; 4302317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << MI->getOperand(OpNum).getImm(); 4318f3434647d3d39b49475239e3be1b8afb06415cfBob Wilson return false; 432e21e39666e8a41ffd4971d8bb023b70b59297267Evan Cheng case 'P': // Print a VFP double precision register. 433d831cda3e74235704f163d5a18352584d537517aEvan Cheng case 'q': // Print a NEON quad precision register. 43435c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 43523a95704949b99ca07afe45c6946d0fa26baf9f3Evan Cheng return false; 4360628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher case 'y': // Print a VFP single precision register as indexed double. 4370628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // This uses the ordering of the alias table to get the first 'd' register 4380628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // that overlaps the 's' register. Also, s0 is an odd register, hence the 4390628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // odd modulus check below. 4400628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher if (MI->getOperand(OpNum).isReg()) { 4410628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher unsigned Reg = MI->getOperand(OpNum).getReg(); 4420628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo(); 4430628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher O << ARMInstPrinter::getRegisterName(TRI->getAliasSet(Reg)[0]) << 4440628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher (((Reg % 2) == 1) ? "[0]" : "[1]"); 4450628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher return false; 4460628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher } 4474db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 448fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'B': // Bitwise inverse of integer or symbol without a preceding #. 449e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher if (!MI->getOperand(OpNum).isImm()) 450e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return true; 451e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher O << ~(MI->getOperand(OpNum).getImm()); 452e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return false; 453fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'L': // The low 16 bits of an immediate constant. 4544db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher if (!MI->getOperand(OpNum).isImm()) 4554db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 4564db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher O << (MI->getOperand(OpNum).getImm() & 0xffff); 4574db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return false; 4583c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher case 'M': { // A register range suitable for LDM/STM. 4593c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher if (!MI->getOperand(OpNum).isReg()) 4603c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return true; 4613c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher const MachineOperand &MO = MI->getOperand(OpNum); 4623c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegBegin = MO.getReg(); 4633c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // This takes advantage of the 2 operand-ness of ldm/stm and that we've 4643c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // already got the operands in registers that are operands to the 4653c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // inline asm statement. 4668e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4673c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "{" << ARMInstPrinter::getRegisterName(RegBegin); 4688e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4693c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // FIXME: The register allocator not only may not have given us the 4703c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // registers in sequence, but may not be in ascending registers. This 4713c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // will require changes in the register allocator that'll need to be 4723c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // propagated down here if the operands change. 4733c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegOps = OpNum + 1; 4743c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher while (MI->getOperand(RegOps).isReg()) { 4758e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach O << ", " 4763c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher << ARMInstPrinter::getRegisterName(MI->getOperand(RegOps).getReg()); 4773c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher RegOps++; 4783c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 4793c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4803c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "}"; 4813c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4823c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return false; 4833c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 484f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'R': // The most significant register of a pair. 485f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'Q': { // The least significant register of a pair. 486f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (OpNum == 0) 487f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 488f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1); 489f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!FlagsOP.isImm()) 490f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 491f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Flags = FlagsOP.getImm(); 492f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags); 493f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (NumVals != 2) 494f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 495f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned RegOp = ExtraCode[0] == 'Q' ? OpNum : OpNum + 1; 496f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (RegOp >= MI->getNumOperands()) 497f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 498f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &MO = MI->getOperand(RegOp); 499f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!MO.isReg()) 500f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 501f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Reg = MO.getReg(); 502f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola O << ARMInstPrinter::getRegisterName(Reg); 503f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return false; 504f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola } 505f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola 506fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'e': // The low doubleword register of a NEON quad register. 5079cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson case 'f': { // The high doubleword register of a NEON quad register. 5089cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson if (!MI->getOperand(OpNum).isReg()) 5099cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return true; 5109cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson unsigned Reg = MI->getOperand(OpNum).getReg(); 5119cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson if (!ARM::QPRRegClass.contains(Reg)) 5129cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return true; 5139cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo(); 5149cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson unsigned SubReg = TRI->getSubReg(Reg, ExtraCode[0] == 'e' ? 5159cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson ARM::dsub_0 : ARM::dsub_1); 5169cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson O << ARMInstPrinter::getRegisterName(SubReg); 5179cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return false; 5189cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson } 5199cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson 5209cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson // These modifiers are not yet supported. 521fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1. 522fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'H': // The highest-numbered register of a pair. 523d984eb6073d5445f08fb0cea67a668b1b5e888e0Bob Wilson return true; 52484f60b7359e1aa90794bb19de2bbf4d25dc2f01dEvan Cheng } 525a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 526e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 52735c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 528a8e2989ece6dc46df59b0768184028257f913843Evan Cheng return false; 529a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} 530a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 531224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilsonbool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, 532055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng unsigned OpNum, unsigned AsmVariant, 533c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner const char *ExtraCode, 534c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 5358f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher // Does this asm operand have a single letter operand modifier? 5368f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode && ExtraCode[0]) { 5378f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode[1] != 0) return true; // Unknown modifier. 5388e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 5398f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher switch (ExtraCode[0]) { 54032bfb2c513c4efdc1db9967ddfecce8c922dda4fEric Christopher case 'A': // A memory operand for a VLD1/VST1 instruction. 5418f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher default: return true; // Unknown modifier. 5428f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher case 'm': // The base register of a memory operand. 5438f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (!MI->getOperand(OpNum).isReg()) 5448f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return true; 5458f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher O << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()); 5468f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return false; 5478f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5488f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5498e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 550765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson const MachineOperand &MO = MI->getOperand(OpNum); 551765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson assert(MO.isReg() && "unexpected inline asm memory operand"); 5522317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << "[" << ARMInstPrinter::getRegisterName(MO.getReg()) << "]"; 553224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson return false; 554224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson} 555224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson 556812209a58c5520c604bc9279aa069e5ae066e860Bob Wilsonvoid ARMAsmPrinter::EmitStartOfAsmFile(Module &M) { 5570fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (Subtarget->isTargetDarwin()) { 5580fb34683b9e33238288d2af1e090582464df8387Bob Wilson Reloc::Model RelocM = TM.getRelocationModel(); 5590fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (RelocM == Reloc::PIC_ || RelocM == Reloc::DynamicNoPIC) { 5600fb34683b9e33238288d2af1e090582464df8387Bob Wilson // Declare all the text sections up front (before the DWARF sections 5610fb34683b9e33238288d2af1e090582464df8387Bob Wilson // emitted by AsmPrinter::doInitialization) so the assembler will keep 5620fb34683b9e33238288d2af1e090582464df8387Bob Wilson // them together at the beginning of the object file. This helps 5630fb34683b9e33238288d2af1e090582464df8387Bob Wilson // avoid out-of-range branches that are due a fundamental limitation of 5640fb34683b9e33238288d2af1e090582464df8387Bob Wilson // the way symbol offsets are encoded with the current Darwin ARM 5650fb34683b9e33238288d2af1e090582464df8387Bob Wilson // relocations. 566b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach const TargetLoweringObjectFileMachO &TLOFMacho = 5670d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>( 5680d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman getObjFileLowering()); 56929e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextSection()); 57029e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection()); 57129e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection()); 57229e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson if (RelocM == Reloc::DynamicNoPIC) { 57329e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 57422772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__symbol_stub4", 57522772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 57622772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 12, SectionKind::getText()); 57729e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 57829e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } else { 57929e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 58022772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__picsymbolstub4", 58122772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 58222772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 16, SectionKind::getText()); 58329e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 58429e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } 58563db594559dc8eac666204c7907bae664f5234daBob Wilson const MCSection *StaticInitSect = 58663db594559dc8eac666204c7907bae664f5234daBob Wilson OutContext.getMachOSection("__TEXT", "__StaticInit", 58763db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_REGULAR | 58863db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, 58963db594559dc8eac666204c7907bae664f5234daBob Wilson SectionKind::getText()); 59063db594559dc8eac666204c7907bae664f5234daBob Wilson OutStreamer.SwitchSection(StaticInitSect); 5910fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5920fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5930fb34683b9e33238288d2af1e090582464df8387Bob Wilson 594e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach // Use unified assembler syntax. 595afd1cc25786f68ca56a63d29ea2bd297990e9f81Jason W Kim OutStreamer.EmitAssemblerFlag(MCAF_SyntaxUnified); 596d61eca533081580d56fabee38f86507d8019ca75Anton Korobeynikov 59788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov // Emit ARM Build Attributes 59807043279f60622243d16d8a3f60805960482083cEvan Cheng if (Subtarget->isTargetELF()) 599def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim emitAttributes(); 6007bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 6017bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 6020f3cc657387d44cd7c56e4ddea896a50ab9106b8Anton Korobeynikov 6034a071d667d995b00e7853243ff9c7c1269324478Chris Lattnervoid ARMAsmPrinter::EmitEndOfAsmFile(Module &M) { 6045be54b00bdbe1abd02dde46ca2c4b0e5aaf7b537Evan Cheng if (Subtarget->isTargetDarwin()) { 605f61159b574155b056dbd5d6d44f47f753d424056Chris Lattner // All darwin targets use mach-o. 6060d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman const TargetLoweringObjectFileMachO &TLOFMacho = 6070d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering()); 608b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO &MMIMacho = 609b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MMI->getObjFileInfo<MachineModuleInfoMachO>(); 610e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 611a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Output non-lazy-pointers for external and common global variables. 612b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO::SymbolListTy Stubs = MMIMacho.GetGVStubList(); 613cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling 614b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner if (!Stubs.empty()) { 615ff4bc460c52c1f285d8a56da173641bf92d49e3fChris Lattner // Switch with ".non_lazy_symbol_pointer" directive. 6166c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection()); 617c076a9793936b140364671a5e39ee53bd266c6c3Chris Lattner EmitAlignment(2); 618b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 619becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 620becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 621becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .indirect_symbol _foo 62252a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second; 62352a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitSymbolAttribute(MCSym.getPointer(),MCSA_IndirectSymbol); 624cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 62552a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling if (MCSym.getInt()) 626cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // External to current translation unit. 627cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); 628cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling else 629cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // Internal to current translation unit. 6305e1b55d67288874f8669621b9176814ce449f8f5Bill Wendling // 6311b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // When we place the LSDA into the TEXT section, the type info 6321b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // pointers need to be indirect and pc-rel. We accomplish this by 6331b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // using NLPs; however, sometimes the types are local to the file. 6341b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // We need to fill in the value for the NLP in those cases. 63552a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(), 63652a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutContext), 637cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 4/*size*/, 0/*addrspace*/); 638ae94e594164b193236002516970aeec4c4574768Evan Cheng } 639becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 640becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling Stubs.clear(); 641becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.AddBlankLine(); 642a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 643a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 644e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner Stubs = MMIMacho.GetHiddenGVStubList(); 645e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner if (!Stubs.empty()) { 6466c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getDataSection()); 647f3231de60bb64c3f6fc6770b3e6174f4f839a4f3Chris Lattner EmitAlignment(2); 648becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 649becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 650becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 651becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .long _foo 652cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr:: 653cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling Create(Stubs[i].second.getPointer(), 654cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutContext), 655becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 4/*size*/, 0/*addrspace*/); 656becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling } 657cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 658cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling Stubs.clear(); 659cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.AddBlankLine(); 660ae94e594164b193236002516970aeec4c4574768Evan Cheng } 661ae94e594164b193236002516970aeec4c4574768Evan Cheng 662a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Funny Darwin hack: This flag tells the linker that no global symbols 663a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // contain code that falls through to other global symbols (e.g. the obvious 664a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // implementation of multiple entry points). If this doesn't occur, the 665a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // linker can safely perform dead code stripping. Since LLVM never 666a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // generates code that does this, it is always safe to set. 667a5ad93a10a5435f21090b09edb6b3a7e44967648Chris Lattner OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols); 668b01c4bbb4573e0007444e218b683840e4519e0c8Rafael Espindola } 6697bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 6700bd89712c03c59ea43ce37763685e7f7c0bdd977Anton Korobeynikov 67197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner//===----------------------------------------------------------------------===// 672def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Helper routines for EmitStartOfAsmFile() and EmitEndOfAsmFile() 673def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// FIXME: 674def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// The following seem like one-off assembler flags, but they actually need 675fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach// to appear in the .ARM.attributes section in ELF. 676def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Instead of subclassing the MCELFStreamer, we do the work here. 677def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 678def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kimvoid ARMAsmPrinter::emitAttributes() { 679fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach 68017b443df4368acfad853d09858c033c45c468d5cJason W Kim emitARMAttributeSection(); 68117b443df4368acfad853d09858c033c45c468d5cJason W Kim 682728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* GAS expect .fpu to be emitted, regardless of VFP build attribute */ 683728ff0db783152ed4f21f7746bd7874b49708172Renato Golin bool emitFPU = false; 684cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttributeEmitter *AttrEmitter; 685728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (OutStreamer.hasRawTextSupport()) { 686cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new AsmAttributeEmitter(OutStreamer); 687728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = true; 688728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else { 689cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &O = static_cast<MCObjectStreamer&>(OutStreamer); 690cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new ObjectAttributeEmitter(O); 691cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 692cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 693cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->MaybeSwitchVendor("aeabi"); 694cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 695def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim std::string CPUString = Subtarget->getCPUString(); 696f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 697f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (CPUString == "cortex-a8" || 698f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Subtarget->isCortexA8()) { 699c046d64f1b5f19cb06616e519a45bc4b0693f9d3Jason W Kim AttrEmitter->EmitTextAttribute(ARMBuildAttrs::CPU_name, "cortex-a8"); 700f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7); 701f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile, 702f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::ApplicationProfile); 703f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 704f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 705f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 706f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowThumb32); 707f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Fixme: figure out when this is emitted. 708f009a961caa75465999ef3bc764984d97a7da331Jason W Kim //AttrEmitter->EmitAttribute(ARMBuildAttrs::WMMX_arch, 709f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // ARMBuildAttrs::AllowWMMXv1); 710f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // 711f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 712f009a961caa75465999ef3bc764984d97a7da331Jason W Kim /// ADD additional Else-cases here! 713b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola } else if (CPUString == "xscale") { 714b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TEJ); 715b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 716b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 717b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 718b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 719f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } else if (CPUString == "generic") { 7207179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen // FIXME: Why these defaults? 7217179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T); 722f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 723f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 724f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 725f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 726cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 727def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 728e89a05337a9946040251a5f19165c41b9a1a7b27Renato Golin if (Subtarget->hasNEON() && emitFPU) { 729728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* NEON is not exactly a VFP architecture, but GAS emit one of 7304b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov * neon/neon-vfpv4/vfpv3/vfpv2 for .fpu parameters */ 73174bebde7c4e2d1cfd4a16c19ce3c87521df67639Sebastian Pop if (Subtarget->hasNEON2()) 732d4f020a3af325630973df8d3a084d0b0e3b68ebcJim Grosbach AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, 733d4f020a3af325630973df8d3a084d0b0e3b68ebcJim Grosbach "neon-vfpv4"); 7344b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov else 73574bebde7c4e2d1cfd4a16c19ce3c87521df67639Sebastian Pop AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon"); 736728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* If emitted for NEON, omit from VFP below, since you can have both 737728ff0db783152ed4f21f7746bd7874b49708172Renato Golin * NEON and VFP in build attributes but only one .fpu */ 738728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = false; 739728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 740728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 7414b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov /* VFPv4 + .fpu */ 7424b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov if (Subtarget->hasVFP4()) { 7434b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 7444b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov ARMBuildAttrs::AllowFPv4A); 7454b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov if (emitFPU) 7464b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv4"); 7474b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov 748728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv3 + .fpu */ 7494b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov } else if (Subtarget->hasVFP3()) { 750728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 751728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::AllowFPv3A); 752728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 753728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv3"); 754728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 755728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv2 + .fpu */ 756728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else if (Subtarget->hasVFP2()) { 757f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 758f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowFPv2); 759728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 760728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv2"); 761728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 762728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 763728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* TODO: ARMBuildAttrs::Allowed is not completely accurate, 764375db7f39af8da118f3947d24ea91967c4a6b526Cameron Zwarich * since NEON can have 1 (allowed) or 2 (MAC operations) */ 765728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (Subtarget->hasNEON()) { 766728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::Advanced_SIMD_arch, 767728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::Allowed); 768728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 769def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 770def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Signal various FP modes. 7718a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (!TM.Options.UnsafeFPMath) { 772f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal, 773f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 774f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions, 775f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 776def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 777def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 7788a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (TM.Options.NoInfsFPMath && TM.Options.NoNaNsFPMath) 779f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 780f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 781def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim else 782f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 783f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowIEE754); 784def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 785f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // FIXME: add more flags to ARMBuildAttrs.h 786def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // 8-bytes alignment stuff. 787cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_needed, 1); 788cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_preserved, 1); 789def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 790def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Hard float. Use both S and D registers and conform to AAPCS-VFP. 7918a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (Subtarget->isAAPCS_ABI() && TM.Options.FloatABIType == FloatABI::Hard) { 792cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_HardFP_use, 3); 793cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_VFP_args, 1); 794def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 795def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // FIXME: Should we signal R9 usage? 796cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 797f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (Subtarget->hasDivide()) 798f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::DIV_use, 1); 799cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 800cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->Finish(); 801cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola delete AttrEmitter; 802def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim} 803def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 80417b443df4368acfad853d09858c033c45c468d5cJason W Kimvoid ARMAsmPrinter::emitARMAttributeSection() { 80517b443df4368acfad853d09858c033c45c468d5cJason W Kim // <format-version> 80617b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <section-length> "vendor-name" 80717b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <file-tag> <size> <attribute>* 80817b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <section-tag> <size> <section-number>* 0 <attribute>* 80917b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <symbol-tag> <size> <symbol-number>* 0 <attribute>* 81017b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]+ 81117b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]* 81217b443df4368acfad853d09858c033c45c468d5cJason W Kim 81317b443df4368acfad853d09858c033c45c468d5cJason W Kim if (OutStreamer.hasRawTextSupport()) 81417b443df4368acfad853d09858c033c45c468d5cJason W Kim return; 81517b443df4368acfad853d09858c033c45c468d5cJason W Kim 81617b443df4368acfad853d09858c033c45c468d5cJason W Kim const ARMElfTargetObjectFile &TLOFELF = 81717b443df4368acfad853d09858c033c45c468d5cJason W Kim static_cast<const ARMElfTargetObjectFile &> 81817b443df4368acfad853d09858c033c45c468d5cJason W Kim (getObjFileLowering()); 81917b443df4368acfad853d09858c033c45c468d5cJason W Kim 82017b443df4368acfad853d09858c033c45c468d5cJason W Kim OutStreamer.SwitchSection(TLOFELF.getAttributesSection()); 821def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 822cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Format version 823cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola OutStreamer.EmitIntValue(0x41, 1); 82417b443df4368acfad853d09858c033c45c468d5cJason W Kim} 82517b443df4368acfad853d09858c033c45c468d5cJason W Kim 826def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim//===----------------------------------------------------------------------===// 82797f06937449c593a248dbbb1365e6ae408fb9decChris Lattner 828988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbachstatic MCSymbol *getPICLabel(const char *Prefix, unsigned FunctionNumber, 829988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach unsigned LabelId, MCContext &Ctx) { 830988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 831988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach MCSymbol *Label = Ctx.GetOrCreateSymbol(Twine(Prefix) 832988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach + "PC" + Twine(FunctionNumber) + "_" + Twine(LabelId)); 833988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach return Label; 834988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach} 835988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 8362c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbachstatic MCSymbolRefExpr::VariantKind 8372c4d5125c708bb35140fc2a40b02beb1add101dbJim GrosbachgetModifierVariantKind(ARMCP::ARMCPModifier Modifier) { 8382c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach switch (Modifier) { 8392c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::no_modifier: return MCSymbolRefExpr::VK_None; 8402c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TLSGD: return MCSymbolRefExpr::VK_ARM_TLSGD; 8412c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TPOFF: return MCSymbolRefExpr::VK_ARM_TPOFF; 8422c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTTPOFF: return MCSymbolRefExpr::VK_ARM_GOTTPOFF; 8432c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOT: return MCSymbolRefExpr::VK_ARM_GOT; 8442c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTOFF: return MCSymbolRefExpr::VK_ARM_GOTOFF; 8452c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach } 8464d6ccb5f68cd7c6418a209f1fa4dbade569e4493David Blaikie llvm_unreachable("Invalid ARMCPModifier!"); 8472c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach} 8482c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 8495de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan ChengMCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV) { 8505de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng bool isIndirect = Subtarget->isTargetDarwin() && 8515de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel()); 8525de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (!isIndirect) 8535de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return Mang->getSymbol(GV); 8545de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8555de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // FIXME: Remove this when Darwin transition to @GOT like syntax. 8565de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *MCSym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr"); 8575de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoMachO &MMIMachO = 8585de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMI->getObjFileInfo<MachineModuleInfoMachO>(); 8595de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoImpl::StubValueTy &StubSym = 8605de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(MCSym) : 8615de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMIMachO.getGVStubEntry(MCSym); 8625de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (StubSym.getPointer() == 0) 8635de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubSym = MachineModuleInfoImpl:: 8645de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage()); 8655de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return MCSym; 8665de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng} 8675de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8685df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbachvoid ARMAsmPrinter:: 8695df08d8f55f47aafc671c358d971dbcc10dfdeefJim GrosbachEmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { 8705df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach int Size = TM.getTargetData()->getTypeAllocSize(MCPV->getType()); 8715df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8725df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV); 8735df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8747c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSymbol *MCSym; 8755df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach if (ACPV->isLSDA()) { 8767c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach SmallString<128> Str; 8777c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach raw_svector_ostream OS(Str); 8785df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach OS << MAI->getPrivateGlobalPrefix() << "_LSDA_" << getFunctionNumber(); 8797c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSym = OutContext.GetOrCreateSymbol(OS.str()); 8805df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isBlockAddress()) { 8815bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const BlockAddress *BA = 8825bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling cast<ARMConstantPoolConstant>(ACPV)->getBlockAddress(); 8835bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling MCSym = GetBlockAddressSymbol(BA); 8845df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isGlobalValue()) { 8855bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV(); 8865de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSym = GetARMGVSymbol(GV); 887e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling } else if (ACPV->isMachineBasicBlock()) { 8883320f2a3bfd4daec23ba7ceb50525140cc6316daBill Wendling const MachineBasicBlock *MBB = cast<ARMConstantPoolMBB>(ACPV)->getMBB(); 889e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling MCSym = MBB->getSymbol(); 8905df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else { 8915df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach assert(ACPV->isExtSymbol() && "unrecognized constant pool value"); 892fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling const char *Sym = cast<ARMConstantPoolSymbol>(ACPV)->getSymbol(); 893fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling MCSym = GetExternalSymbolSymbol(Sym); 8945df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 8955df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8965df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach // Create an MCSymbol for the reference. 8972c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *Expr = 8982c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbolRefExpr::Create(MCSym, getModifierVariantKind(ACPV->getModifier()), 8992c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9002c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 9012c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->getPCAdjustment()) { 9022c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *PCLabel = getPICLabel(MAI->getPrivateGlobalPrefix(), 9032c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach getFunctionNumber(), 9042c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach ACPV->getLabelId(), 9052c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9062c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *PCRelExpr = MCSymbolRefExpr::Create(PCLabel, OutContext); 9072c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = 9082c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCBinaryExpr::CreateAdd(PCRelExpr, 9092c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCConstantExpr::Create(ACPV->getPCAdjustment(), 9102c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext), 9112c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9122c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->mustAddCurrentAddress()) { 9132c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // We want "(<expr> - .)", but MC doesn't have a concept of the '.' 9142c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // label, so just emit a local label end reference that instead. 9152c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *DotSym = OutContext.CreateTempSymbol(); 9162c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitLabel(DotSym); 9172c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *DotExpr = MCSymbolRefExpr::Create(DotSym, OutContext); 9182c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = MCBinaryExpr::CreateSub(PCRelExpr, DotExpr, OutContext); 9195df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 9202c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, PCRelExpr, OutContext); 9215df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 9222c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitValue(Expr, Size); 9235df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach} 9245df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 925a2244cb38781e596110023399c7902b5ee5087feJim Grosbachvoid ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { 926a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned Opcode = MI->getOpcode(); 927a2244cb38781e596110023399c7902b5ee5087feJim Grosbach int OpNum = 1; 928a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (Opcode == ARM::BR_JTadd) 929a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 2; 930a2244cb38781e596110023399c7902b5ee5087feJim Grosbach else if (Opcode == ARM::BR_JTm) 931a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 3; 932a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 933a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 934a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 935a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned JTI = MO1.getIndex(); 936a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 9372fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Tag the jump table appropriately for precise disassembly. 9382fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable32Region(); 9392fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 940a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit a label for the jump table. 941a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 942a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitLabel(JTISymbol); 943a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 944a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit each entry of the table. 945a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 946a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 947a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 948a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 949a2244cb38781e596110023399c7902b5ee5087feJim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 950a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 951a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Construct an MCExpr for the entry. We want a value of the form: 952a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // (BasicBlockAddr - TableBeginAddr) 953a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // 954a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // For example, a table with entries jumping to basic blocks BB0 and BB1 955a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // would look like: 956a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // LJTI_0_0: 957a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB0 - LJTI_0_0) 958a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB1 - LJTI_0_0) 959a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MCExpr *Expr = MCSymbolRefExpr::Create(MBB->getSymbol(), OutContext); 960a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 961a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (TM.getRelocationModel() == Reloc::PIC_) 962a2244cb38781e596110023399c7902b5ee5087feJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, MCSymbolRefExpr::Create(JTISymbol, 963a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext), 964a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext); 965de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // If we're generating a table of Thumb addresses in static relocation 966de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // model, we need to add one to keep interworking correctly. 967de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach else if (AFI->isThumbFunction()) 968de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach Expr = MCBinaryExpr::CreateAdd(Expr, MCConstantExpr::Create(1,OutContext), 969de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach OutContext); 970a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitValue(Expr, 4); 971a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 972a2244cb38781e596110023399c7902b5ee5087feJim Grosbach} 973a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 974882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbachvoid ARMAsmPrinter::EmitJump2Table(const MachineInstr *MI) { 975882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned Opcode = MI->getOpcode(); 976882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach int OpNum = (Opcode == ARM::t2BR_JT) ? 2 : 1; 977882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 978882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 979882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned JTI = MO1.getIndex(); 980882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 981882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit a label for the jump table. 9822fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (MI->getOpcode() == ARM::t2TBB_JT) { 9832fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable8Region(); 9842fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } else if (MI->getOpcode() == ARM::t2TBH_JT) { 9852fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable16Region(); 9862fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } else { 9872fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable32Region(); 9882fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } 9892fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 990882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 991882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitLabel(JTISymbol); 992882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 993882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit each entry of the table. 994882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 995882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 996882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 997205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach unsigned OffsetWidth = 4; 998d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach if (MI->getOpcode() == ARM::t2TBB_JT) 999205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 1; 1000d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach else if (MI->getOpcode() == ARM::t2TBH_JT) 1001205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 2; 1002882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 1003882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 1004882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 1005205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::Create(MBB->getSymbol(), 1006205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1007882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // If this isn't a TBB or TBH, the entries are direct branch instructions. 1008205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach if (OffsetWidth == 4) { 1009882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst BrInst; 1010882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach BrInst.setOpcode(ARM::t2B); 1011205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach BrInst.addOperand(MCOperand::CreateExpr(MBBSymbolExpr)); 101251f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 101351f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateReg(0)); 1014882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(BrInst); 1015882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach continue; 1016882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1017882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Otherwise it's an offset from the dispatch instruction. Construct an 1018205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // MCExpr for the entry. We want a value of the form: 1019205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // (BasicBlockAddr - TableBeginAddr) / 2 1020205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // 1021205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // For example, a TBB table with entries jumping to basic blocks BB0 and BB1 1022205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // would look like: 1023205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // LJTI_0_0: 1024205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB0 - LJTI_0_0) / 2 1025205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB1 - LJTI_0_0) / 2 1026205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *Expr = 1027205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCBinaryExpr::CreateSub(MBBSymbolExpr, 1028205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCSymbolRefExpr::Create(JTISymbol, OutContext), 1029205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1030205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach Expr = MCBinaryExpr::CreateDiv(Expr, MCConstantExpr::Create(2, OutContext), 1031205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1032205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutStreamer.EmitValue(Expr, OffsetWidth); 1033882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1034882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach} 1035882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 10362d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbachvoid ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI, 10372d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_ostream &OS) { 10382d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach unsigned NOps = MI->getNumOperands(); 10392d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(NOps==4); 10402d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: "; 10412d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // cast away const; DIetc do not take const operands for some reason. 10422d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata())); 10432d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << V.getName(); 10442d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << " <- "; 10452d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // Frame address. Currently handles register +- offset only. 10462d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm()); 10472d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS); 10482d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << ']'; 10492d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << "+"; 10502d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach printOperand(MI, NOps-2, OS); 10512d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach} 10522d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach 105340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbachstatic void populateADROperands(MCInst &Inst, unsigned Dest, 105440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCSymbol *Label, 105540edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach unsigned pred, unsigned ccreg, 105640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MCContext &Ctx) { 105740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, Ctx); 105840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(Dest)); 105940edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 106040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach // Add predicate operands. 106140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateImm(pred)); 106240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(ccreg)); 106340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach} 106440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach 10654d7286083537833880901953d29786cf831affc4Anton Korobeynikovvoid ARMAsmPrinter::EmitPatchedInstruction(const MachineInstr *MI, 10664d7286083537833880901953d29786cf831affc4Anton Korobeynikov unsigned Opcode) { 10674d7286083537833880901953d29786cf831affc4Anton Korobeynikov MCInst TmpInst; 10684d7286083537833880901953d29786cf831affc4Anton Korobeynikov 10694d7286083537833880901953d29786cf831affc4Anton Korobeynikov // Emit the instruction as usual, just patch the opcode. 10704d7286083537833880901953d29786cf831affc4Anton Korobeynikov LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 10714d7286083537833880901953d29786cf831affc4Anton Korobeynikov TmpInst.setOpcode(Opcode); 10724d7286083537833880901953d29786cf831affc4Anton Korobeynikov OutStreamer.EmitInstruction(TmpInst); 10734d7286083537833880901953d29786cf831affc4Anton Korobeynikov} 10744d7286083537833880901953d29786cf831affc4Anton Korobeynikov 107557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { 107657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getFlag(MachineInstr::FrameSetup) && 107757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only instruction which are involved into frame setup code are allowed"); 107857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 107957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const MachineFunction &MF = *MI->getParent()->getParent(); 108057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo(); 1081b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const ARMFunctionInfo &AFI = *MF.getInfo<ARMFunctionInfo>(); 108257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 108357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned FramePtr = RegInfo->getFrameRegister(MF); 108457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned Opc = MI->getOpcode(); 10857a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned SrcReg, DstReg; 10867a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 10873daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov if (Opc == ARM::tPUSH || Opc == ARM::tLDRpci) { 10883daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // Two special cases: 10893daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 1) tPUSH does not have src/dst regs. 10903daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 2) for Thumb1 code we sometimes materialize the constant via constpool 10913daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // load. Yes, this is pretty fragile, but for now I don't see better 10923daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // way... :( 10937a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov SrcReg = DstReg = ARM::SP; 10947a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } else { 10953daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov SrcReg = MI->getOperand(1).getReg(); 10967a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov DstReg = MI->getOperand(0).getReg(); 10977a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } 109857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 109957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Try to figure out the unwinding opcode out of src / dst regs. 11005a96b3dad2f634c9081c8b2b6c2575441dc5a2bdEvan Cheng if (MI->mayStore()) { 110157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Register saves. 110257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(DstReg == ARM::SP && 110357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a destination reg is supported"); 110457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 110557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov SmallVector<unsigned, 4> RegList; 11067a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Skip src & dst reg, and pred ops. 11077a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned StartOp = 2 + 2; 11087a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Use all the operands. 11097a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned NumOffset = 0; 11107a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 111157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 111257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 111357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1114bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 11157a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tPUSH: 11167a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Special case here: no src & dst reg, but two extra imp ops. 11177a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov StartOp = 2; NumOffset = 2; 111857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::STMDB_UPD: 11197a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::t2STMDB_UPD: 112057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::VSTMDDB_UPD: 112157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(SrcReg == ARM::SP && 112257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 11237a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset; 11247a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov i != NumOps; ++i) 112557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(MI->getOperand(i).getReg()); 112657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 1127793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_IMM: 1128793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_REG: 112973dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::t2STR_PRE: 113057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getOperand(2).getReg() == ARM::SP && 113157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 113257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(SrcReg); 113357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 113457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 113557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitRegSave(RegList, Opc == ARM::VSTMDDB_UPD); 113657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 113757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Changes of stack / frame pointer. 113857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (SrcReg == ARM::SP) { 113957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov int64_t Offset = 0; 114057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 114157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 114257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1143bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 114457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::MOVr: 114573dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::tMOVr: 114657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = 0; 114757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 114857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::ADDri: 114957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = -MI->getOperand(2).getImm(); 115057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 115157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::SUBri: 115273dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::t2SUBri: 1153f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm(); 115457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 11557a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tSUBspi: 1156f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm()*4; 11577a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 11587a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDspi: 11597a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDrSPi: 11607a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov Offset = -MI->getOperand(2).getImm()*4; 11617a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 1162b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov case ARM::tLDRpci: { 1163b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Grab the constpool index and check, whether it corresponds to 1164b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // original or cloned constpool entry. 1165b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov unsigned CPI = MI->getOperand(1).getIndex(); 1166b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPool *MCP = MF.getConstantPool(); 1167b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov if (CPI >= MCP->getConstants().size()) 1168b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov CPI = AFI.getOriginalCPIdx(CPI); 1169b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(CPI != -1U && "Invalid constpool index"); 1170b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov 1171b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Derive the actual offset. 1172b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPoolEntry &CPE = MCP->getConstants()[CPI]; 1173b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(!CPE.isMachineConstantPoolEntry() && "Invalid constpool entry"); 1174b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // FIXME: Check for user, it should be "add" instruction! 1175b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov Offset = -cast<ConstantInt>(CPE.Val.ConstVal)->getSExtValue(); 11763daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov break; 117757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 1178b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov } 117957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 118057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (DstReg == FramePtr && FramePtr != ARM::SP) 1181e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Set-up of the frame pointer. Positive values correspond to "add" 1182e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // instruction. 1183e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov OutStreamer.EmitSetFP(FramePtr, ARM::SP, -Offset); 118457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else if (DstReg == ARM::SP) { 1185e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Change of SP by an offset. Positive values correspond to "sub" 118657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // instruction. 118757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitPad(Offset); 118857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 118957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1190bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 119157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 119257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else if (DstReg == ARM::SP) { 119357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // FIXME: .movsp goes here 119457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1195bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 119657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 119757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else { 119857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1199bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 120057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 120157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 120257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 120357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 12043eb4be0ace6263f35a2f3aae9e964a752ebe55afChandler Carruthextern cl::opt<bool> EnableARMEHABI; 120557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 120653e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// Simple pseudo-instructions have their lowering (with expansion to real 120753e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// instructions) auto-generated. 120853e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach#include "ARMGenMCPseudoLowering.inc" 120953e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach 1210b454cdaebc6e4543099955ce043258c3903b1a0eJim Grosbachvoid ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { 12112fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (MI->getOpcode() != ARM::CONSTPOOL_ENTRY) 12122fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitCodeRegion(); 12132fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 12145aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach // Emit unwinding stuff for frame-related instructions 12153eb4be0ace6263f35a2f3aae9e964a752ebe55afChandler Carruth if (EnableARMEHABI && MI->getFlag(MachineInstr::FrameSetup)) 12165aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach EmitUnwindingInstruction(MI); 12175aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach 121853e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Do any auto-generated pseudo lowerings. 121953e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach if (emitPseudoExpansionLowering(OutStreamer, MI)) 122016f9924000a8d513353cd5c69d1d6307016fe280Jim Grosbach return; 12219702e6075c3e4cd508fd787e3bf6b3e64eb029abJim Grosbach 12223be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick assert(!convertAddSubFlagsOpcode(MI->getOpcode()) && 12233be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick "Pseudo flag setting opcode should be expanded early"); 12243be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick 122553e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Check for manual lowerings. 122653e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach unsigned Opc = MI->getOpcode(); 122753e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach switch (Opc) { 1228bc2198133a1836598b54b943420748e75d5dea94Craig Topper case ARM::t2MOVi32imm: llvm_unreachable("Should be lowered by thumb2it pass"); 12292d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach case ARM::DBG_VALUE: { 12302d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach if (isVerbose() && OutStreamer.hasRawTextSupport()) { 12312d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach SmallString<128> TmpStr; 12322d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_svector_ostream OS(TmpStr); 12332d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach PrintDebugValueComment(MI, OS); 12342d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OutStreamer.EmitRawText(StringRef(OS.str())); 12352d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 12362d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach return; 12372d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 123840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::LEApcrel: 1239d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrel: 124040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::t2LEApcrel: { 1241dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach // FIXME: Need to also handle globals and externals 1242dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach MCInst TmpInst; 1243d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrel ? ARM::t2ADR 1244d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR 1245d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 124640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 124740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetCPISymbol(MI->getOperand(1).getIndex()), 124840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm(), MI->getOperand(3).getReg(), 124940edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 1250dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1251dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach return; 1252dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach } 1253d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::LEApcrelJT: 1254d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrelJT: 1255d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::t2LEApcrelJT: { 12565d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach MCInst TmpInst; 1257d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrelJT ? ARM::t2ADR 1258d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR 1259d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 126040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 126140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(), 126240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm()), 126340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(3).getImm(), MI->getOperand(4).getReg(), 126440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 12655d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach OutStreamer.EmitInstruction(TmpInst); 12665d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach return; 12675d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach } 1268f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // Darwin call instructions are just normal call instructions with different 1269f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // clobber semantics (they clobber R9). 1270a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BX_CALL: { 1271a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1272a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1273a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1274a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1275a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1276a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1277a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1278a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1279a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1280a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1281a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1282a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1283a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1284a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1285a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::BX); 1286a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1287a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1288a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1289a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1290a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1291ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich case ARM::tBX_CALL: { 1292ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1293ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1294ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tMOVr); 1295ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1296ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 129763b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Add predicate operands. 129863b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 129963b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1300ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1301ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1302ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1303ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1304ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tBX); 1305ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1306ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich // Add predicate operands. 1307ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1308ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(0)); 1309ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1310ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1311ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich return; 1312ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1313a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BMOVPCRX_CALL: { 1314a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1315a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1316a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1317a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1318a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1319a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1320a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1321a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1322a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1323a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1324a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1325a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1326a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1327a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1328a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1329a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1330a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1331a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1332a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1333a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1334a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1335a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1336a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1337a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1338a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1339a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 13404bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::BMOVPCB_CALL: { 13414bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13424bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13434bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::MOVr); 13444bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 13454bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 13464bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13474bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13484bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13494bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add 's' bit operand (always reg0 for this) 13504bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13514bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13524bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13534bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13544bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13554bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::Bcc); 13564bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const GlobalValue *GV = MI->getOperand(0).getGlobal(); 13574bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCSymbol *GVSym = Mang->getSymbol(GV); 13584bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 13594bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(GVSymExpr)); 13604bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13614bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13624bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13634bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13644bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13654bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng return; 13664bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13674bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::t2BMOVPCB_CALL: { 13684bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13694bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13704bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::tMOVr); 13714bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 13724bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 13734bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13744bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13754bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13764bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13774bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13784bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13794bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13804bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::t2B); 13814bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const GlobalValue *GV = MI->getOperand(0).getGlobal(); 13824bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCSymbol *GVSym = Mang->getSymbol(GV); 13834bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 13844bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(GVSymExpr)); 13854bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13864bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13874bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13884bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13894bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13904bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng return; 13914bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 139253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVi16_ga_pcrel: 139353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVi16_ga_pcrel: { 13945de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 139553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVi16_ga_pcrel? ARM::MOVi16 : ARM::t2MOVi16); 13965de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 13975de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 139853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(1).getTargetFlags(); 139953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_LO16_NONLAZY_PIC; 14005de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(1).getGlobal(); 14015de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 14025de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 140353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 140453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 140553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 140653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(2).getImm(), OutContext); 140753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 140853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVi16_ga_pcrel) ? 8 : 4; 140953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 141053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateLower16(MCBinaryExpr::CreateSub(GVSymExpr, 141153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 141253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 14135de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 141453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 141553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 141653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateLower16(GVSymExpr, OutContext); 141753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 141853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 141953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng 14205de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 14215de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 14225de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14235de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 14245de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14255de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 14265de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 14275de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 142853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVTi16_ga_pcrel: 142953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVTi16_ga_pcrel: { 14305de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 143153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVTi16_ga_pcrel 143253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ? ARM::MOVTi16 : ARM::t2MOVTi16); 14335de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 14345de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 14355de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 143653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(2).getTargetFlags(); 143753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_HI16_NONLAZY_PIC; 14385de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(2).getGlobal(); 14395de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 14405de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 144153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 144253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 144353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 144453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(3).getImm(), OutContext); 144553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 144653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVTi16_ga_pcrel) ? 8 : 4; 144753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 144853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateUpper16(MCBinaryExpr::CreateSub(GVSymExpr, 144953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 145053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 14515de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 145253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 145353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 145453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateUpper16(GVSymExpr, OutContext); 145553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 145653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 14575de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 14585de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 14595de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14605de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 14615de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14625de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 14635de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 14645de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 1465fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach case ARM::tPICADD: { 1466fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1467fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // LPC0: 1468fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // add r0, pc 1469fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This adds the address of LPC0 to r0. 1470fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1471fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Emit the label. 1472988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1473988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1474988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1475fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1476fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Form and emit the add. 1477fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach MCInst AddInst; 1478fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.setOpcode(ARM::tADDhirr); 1479fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1480fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1481fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1482fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Add predicate operands. 1483fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1484fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1485fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach OutStreamer.EmitInstruction(AddInst); 1486fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach return; 1487fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach } 1488a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::PICADD: { 14894d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This is a pseudo op for a label + instruction sequence, which looks like: 14904d1522234192704f45dfd2527c2913fa60be616eChris Lattner // LPC0: 14914d1522234192704f45dfd2527c2913fa60be616eChris Lattner // add r0, pc, r0 14924d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This adds the address of LPC0 to r0. 1493b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 14944d1522234192704f45dfd2527c2913fa60be616eChris Lattner // Emit the label. 1495988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1496988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1497988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1498b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 1499f3f09527e6484143fcdef2ddfef0b2f016881e36Jim Grosbach // Form and emit the add. 15004d1522234192704f45dfd2527c2913fa60be616eChris Lattner MCInst AddInst; 15014d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.setOpcode(ARM::ADDrr); 15024d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15034d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15044d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 15055b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add predicate operands. 15065b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 15075b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 15085b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add 's' bit operand (always reg0 for this) 15095b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1510850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(AddInst); 15114d1522234192704f45dfd2527c2913fa60be616eChris Lattner return; 1512b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach } 1513a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTR: 1514a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRB: 1515a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: 1516a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDR: 1517a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRB: 1518a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: 1519a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: 1520a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: { 1521b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1522b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // LPC0: 1523a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach // OP r0, [pc, r0] 1524b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // The LCP0 label is referenced by a constant pool entry in order to get 1525b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // a PC-relative address at the ldr instruction. 1526b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1527b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Emit the label. 1528988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1529988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1530988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1531b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1532b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Form and emit the load 1533a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach unsigned Opcode; 1534a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach switch (MI->getOpcode()) { 1535a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach default: 1536a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach llvm_unreachable("Unexpected opcode!"); 15377e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTR: Opcode = ARM::STRrs; break; 15387e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTRB: Opcode = ARM::STRBrs; break; 1539a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: Opcode = ARM::STRH; break; 15403e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach case ARM::PICLDR: Opcode = ARM::LDRrs; break; 1541c1d30212e911d1e55ff6b25bffefb503708883c3Jim Grosbach case ARM::PICLDRB: Opcode = ARM::LDRBrs; break; 1542a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: Opcode = ARM::LDRH; break; 1543a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: Opcode = ARM::LDRSB; break; 1544a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: Opcode = ARM::LDRSH; break; 1545a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach } 1546a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach MCInst LdStInst; 1547a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.setOpcode(Opcode); 1548a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1549a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1550a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1551a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(0)); 1552b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Add predicate operands. 1553a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 1554a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 1555a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach OutStreamer.EmitInstruction(LdStInst); 1556b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1557b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach return; 15584d1522234192704f45dfd2527c2913fa60be616eChris Lattner } 1559a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::CONSTPOOL_ENTRY: { 1560a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool 1561a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// in the function. The first operand is the ID# for this instruction, the 1562a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// second is the index into the MachineConstantPool that this is, the third 1563a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// is the size in bytes of this constant pool entry. 15643e572ac2fbdf6aa538500be07b9b050ac008669eJakob Stoklund Olesen /// The required alignment is specified on the basic block holding this MI. 1565a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned LabelId = (unsigned)MI->getOperand(0).getImm(); 1566a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned CPIdx = (unsigned)MI->getOperand(1).getIndex(); 1567a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 15682fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Mark the constant pool entry as data if we're not already in a data 15692fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // region. 15702fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitDataRegion(); 15711b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner OutStreamer.EmitLabel(GetCPISymbol(LabelId)); 1572a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 1573a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPIdx]; 1574a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner if (MCPE.isMachineConstantPoolEntry()) 1575a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal); 1576a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner else 1577a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitGlobalConstant(MCPE.Val.ConstVal); 1578a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner return; 1579a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner } 1580882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach case ARM::t2BR_JT: { 1581882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1582882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst TmpInst; 15832a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 15845ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15855ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15865ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 15875ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15885ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15895ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 15905ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 15915ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 15925ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 15935ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 15945ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBB_JT: { 15955ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 15965ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 15975ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 15985ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBB); 15995ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16005ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16015ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 16025ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16035ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16045ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 16055ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 16065ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 16075ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Make sure the next instruction is 2-byte aligned. 16085ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitAlignment(1); 16095ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 16105ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 16115ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBH_JT: { 16125ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16135ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 16145ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 16155ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBH); 16165ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16175ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16185ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 16195ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16205ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1621882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16225ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 1623882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach EmitJump2Table(MI); 1624882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach return; 1625882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1626f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach case ARM::tBR_JTr: 16272dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTr: { 16282dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16292dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // mov pc, target 16302dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16315ca66696e734f963b613de51e3df3684395daf1cJim Grosbach unsigned Opc = MI->getOpcode() == ARM::BR_JTr ? 16322a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach ARM::MOVr : ARM::tMOVr; 1633f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach TmpInst.setOpcode(Opc); 16342dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16352dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16362dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 16372dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16382dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1639a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1640a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach if (Opc == ARM::MOVr) 1641a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16422dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16432dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 1644f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach // Make sure the Thumb jump table is 4-byte aligned. 16452a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach if (Opc == ARM::tMOVr) 1646f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach EmitAlignment(2); 1647f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach 16482dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 16492dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach EmitJumpTable(MI); 16502dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach return; 16512dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 16522dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTm: { 16532dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16542dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // ldr pc, target 16552dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16562dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach if (MI->getOperand(1).getReg() == 0) { 16572dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // literal offset 16582dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 16592dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16602dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16612dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm())); 16622dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } else { 16632dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRrs); 16642dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16652dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16662dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 16672dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 16682dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 16692dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 16702dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16712dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16722dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16732dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 16742dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 1675a2244cb38781e596110023399c7902b5ee5087feJim Grosbach EmitJumpTable(MI); 1676a2244cb38781e596110023399c7902b5ee5087feJim Grosbach return; 1677a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 1678f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach case ARM::BR_JTadd: { 1679f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1680f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // add pc, target, idx 16812dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16822dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::ADDrr); 16832dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16842dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16852dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1686f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add predicate operands. 16872dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16882dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1689f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add 's' bit operand (always reg0 for this) 16902dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16912dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1692f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach 1693f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Output the data for the jump table itself 1694f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach EmitJumpTable(MI); 1695f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach return; 1696f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach } 16972e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::TRAP: { 16982e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 16992e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 17002e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 170178890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.long 0xe7ffdefe @ trap 1702b2dda4bd346fe9a2795f83f659c0e60191b2e6a0Jim Grosbach uint32_t Val = 0xe7ffdefeUL; 17032e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 17042e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 4); 17052e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 17062e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17072e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 17082e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17092e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::tTRAP: { 17102e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 17112e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 17122e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 171378890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.short 57086 @ trap 1714c8ab9eb066f6d35880e3a24436baf21236c921caBenjamin Kramer uint16_t Val = 0xdefe; 17152e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 17162e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 2); 17172e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 17182e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17192e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 17202e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 1721433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp: 1722433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp_nofp: 1723a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::tInt_eh_sjlj_setjmp: { 1724433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Two incoming args: GPR:$src, GPR:$val 1725433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // mov $val, pc 1726433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // adds $val, #7 1727433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // str $val, [$src, #4] 1728433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #0 1729433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // b 1f 1730433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #1 1731433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 1: 1732433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1733433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1734433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCSymbol *Label = GetARMSJLJEHLabel(); 1735433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1736433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 17372a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1738433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1739433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 174063b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Predicate. 174163b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 174263b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1743433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1744433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1745433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1746433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1747433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1748433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tADDi3); 1749433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1750433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 's' bit operand 1751433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1752433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1753433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(7)); 1754433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1755433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1756433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1757433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1758433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1759433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1760433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1761f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tSTRi); 1762433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1763433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1764433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // The offset immediate is #4. The operand value is scaled by 4 for the 1765433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // tSTR instruction. 1766433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1767433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1768433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1769433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1770433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1771433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1772433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1773433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1774433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1775433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1776433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1777433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1778433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1779433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1780433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1781433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1782433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1783433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1784433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext); 1785433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1786433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tB); 1787433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 178851f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 178951f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateReg(0)); 1790433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1791433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1792433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1793433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1794433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1795433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1796433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1797433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1798433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1799433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1800433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1801433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1802433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1803433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1804433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitLabel(Label); 1805433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return; 1806433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1807433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 1808453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach case ARM::Int_eh_sjlj_setjmp_nofp: 1809a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::Int_eh_sjlj_setjmp: { 1810453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Two incoming args: GPR:$src, GPR:$val 1811453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add $val, pc, #8 1812453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // str $val, [$src, #+4] 1813453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #0 1814453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add pc, pc, #0 1815453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #1 1816453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1817453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1818453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach 1819453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1820453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1821453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1822453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1823453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1824453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 1825453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1826453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1827453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1828453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1829453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1830453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1831453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1832453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1833453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1834453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 18357e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach TmpInst.setOpcode(ARM::STRi12); 1836453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1837453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1838453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 1839453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1840453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1841453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1842453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1843453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1844453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1845453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1846453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1847453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1848453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1849453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1850453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1851453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1852453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1853453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1854453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1855453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1856453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1857453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1858453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1859453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1860453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1861453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1862453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1863453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1864453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1865453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1866453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1867453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1868453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1869453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1870453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1871453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1872453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1873453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1874453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1875453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1876453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1877453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1878453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1879453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1880453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1881453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1882453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach return; 1883453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 18845acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach case ARM::Int_eh_sjlj_longjmp: { 18855acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr sp, [$src, #8] 18865acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr $scratch, [$src, #4] 18875acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr r7, [$src] 18885acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // bx $scratch 18895acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 18905acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 18915acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 18925acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 18933e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 18945acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 18955acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 18965acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 18975acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 18985acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 18995acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19005acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19015acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19025acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19035acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19043e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 19055acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 19065acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 19075acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 19085acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19095acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19105acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19115acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19125acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19135acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19145acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19153e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 19165acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 19175acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 19185acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 19195acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19205acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19215acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19225acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19235acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19245acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19255acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19266e46d84eea97792a66c0bb64f26aad3976a23365Bill Wendling TmpInst.setOpcode(ARM::BX); 19275acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 19285acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19295acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19305acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1931385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1932385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1933385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach return; 1934385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1935385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach case ARM::tInt_eh_sjlj_longjmp: { 1936385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #8] 1937385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // mov sp, $scratch 1938385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #4] 1939385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr r7, [$src] 1940385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // bx $scratch 1941385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1942385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 1943385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1944385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1945f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1946385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1947385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1948385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // The offset immediate is #8. The operand value is scaled by 4 for the 1949f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling // tLDR instruction. 1950385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(2)); 1951385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1952385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1953385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1954385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1955385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1956385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1957385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 19582a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1959385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 1960385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1961385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1962385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1963385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1964385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1965385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1966385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1967385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1968f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1969385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1970385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1971385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1972385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1973385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1974385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1975385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1976385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1977385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1978385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1979f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRr); 1980385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 1981385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1982385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1983385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1984385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1985385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1986385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1987385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1988385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1989385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1990421b106872d9c8adb4f14d77a8c6a1afeaaa29f6Cameron Zwarich TmpInst.setOpcode(ARM::tBX); 1991385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1992385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1993385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1994385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19955acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19965acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19975acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach return; 19985acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 199997f06937449c593a248dbbb1365e6ae408fb9decChris Lattner } 2000b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 200197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner MCInst TmpInst; 200230e2cc254be72601b11383dda01f495741ffd56cChris Lattner LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 200357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 2004850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(TmpInst); 200597f06937449c593a248dbbb1365e6ae408fb9decChris Lattner} 20062685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 20072685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 20082685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Target Registry Stuff 20092685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 20102685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 20112685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Force static initialization. 20122685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbarextern "C" void LLVMInitializeARMAsmPrinter() { 20132685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget); 20142685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget); 20152685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar} 2016