ARMAsmPrinter.cpp revision 74bebde7c4e2d1cfd4a16c19ce3c87521df67639
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" 167bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "ARM.h" 17b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "ARMAsmPrinter.h" 18b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "ARMBuildAttrs.h" 19b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "ARMBaseRegisterInfo.h" 20a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "ARMConstantPoolValue.h" 2197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "ARMMachineFunctionInfo.h" 2297f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "ARMTargetMachine.h" 2317b443df4368acfad853d09858c033c45c468d5cJason W Kim#include "ARMTargetObjectFile.h" 24b72d2a92b75daa9cbac7338aff0cd8ae04c2b4bdEvan Cheng#include "InstPrinter/ARMInstPrinter.h" 25ee04a6d3a40c3017124e3fd89a0db473a2824498Evan Cheng#include "MCTargetDesc/ARMAddressingModes.h" 26ee04a6d3a40c3017124e3fd89a0db473a2824498Evan Cheng#include "MCTargetDesc/ARMMCExpr.h" 273f282aa94b80f4a93ff3cbc37cf3cd4a851c8432Dale Johannesen#include "llvm/Analysis/DebugInfo.h" 287bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Constants.h" 297bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Module.h" 30e55b15fa4753ef08cbfa2127d2d220b77aa07d87Benjamin Kramer#include "llvm/Type.h" 31cf20ac4fd12ea3510a8f32a24fff69eebe7b6f4aDan Gohman#include "llvm/Assembly/Writer.h" 32b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/CodeGen/MachineModuleInfoImpls.h" 337bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/CodeGen/MachineFunctionPass.h" 34a8e2989ece6dc46df59b0768184028257f913843Evan Cheng#include "llvm/CodeGen/MachineJumpTableInfo.h" 35b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/MC/MCAsmInfo.h" 36cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola#include "llvm/MC/MCAssembler.h" 37b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner#include "llvm/MC/MCContext.h" 38becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling#include "llvm/MC/MCExpr.h" 3997f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "llvm/MC/MCInst.h" 40f9bdeddb96043559c61f176f8077e3b91a0c544fChris Lattner#include "llvm/MC/MCSectionMachO.h" 41cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola#include "llvm/MC/MCObjectStreamer.h" 426c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner#include "llvm/MC/MCStreamer.h" 43325d3dcfe4d5efc91db0f59b20a72a11dea024edChris Lattner#include "llvm/MC/MCSymbol.h" 44d62f1b4168d4327c119642d28c26c836ae6717abChris Lattner#include "llvm/Target/Mangler.h" 45b01c4bbb4573e0007444e218b683840e4519e0c8Rafael Espindola#include "llvm/Target/TargetData.h" 467bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include "llvm/Target/TargetMachine.h" 475be54b00bdbe1abd02dde46ca2c4b0e5aaf7b537Evan Cheng#include "llvm/Target/TargetOptions.h" 48c324ecb7bc93a1f09db29851438ec5ee72b143ebEvan Cheng#include "llvm/ADT/SmallPtrSet.h" 49c40d9f9bae70c83947bf8fa5f9ee97adbf1bb0c0Jim Grosbach#include "llvm/ADT/SmallString.h" 5097f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "llvm/Support/CommandLine.h" 5159135f49e1699daec9a43fc2d15715d55b910f54Devang Patel#include "llvm/Support/Debug.h" 523046470919e648ff7c011bda9c094163062c83dcTorok Edwin#include "llvm/Support/ErrorHandling.h" 533e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetRegistry.h" 54b23569aff0a6d2b231cb93cc4acd0ac060ba560fChris Lattner#include "llvm/Support/raw_ostream.h" 557bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include <cctype> 567bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolausing namespace llvm; 577bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 5895b2c7da5e83670881270c1cd231a240be0556d9Chris Lattnernamespace { 59cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 60cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Per section and per symbol attributes are not supported. 61cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // To implement them we would need the ability to delay this emission 62cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // until the assembly file is fully parsed/generated as only then do we 63cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // know the symbol and section numbers. 64cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AttributeEmitter { 65cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 66cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void MaybeSwitchVendor(StringRef Vendor) = 0; 67cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void EmitAttribute(unsigned Attribute, unsigned Value) = 0; 68f009a961caa75465999ef3bc764984d97a7da331Jason W Kim virtual void EmitTextAttribute(unsigned Attribute, StringRef String) = 0; 69cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void Finish() = 0; 704921e2356ef8f3b3f9ebd0c154b091c3d5dd2ce4Rafael Espindola virtual ~AttributeEmitter() {} 71cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 72cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 73cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AsmAttributeEmitter : public AttributeEmitter { 74cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCStreamer &Streamer; 75cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 76cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 77cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AsmAttributeEmitter(MCStreamer &Streamer_) : Streamer(Streamer_) {} 78cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { } 79cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 80cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 81cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Streamer.EmitRawText("\t.eabi_attribute " + 82cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Twine(Attribute) + ", " + Twine(Value)); 83cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 84cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 85f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 86f009a961caa75465999ef3bc764984d97a7da331Jason W Kim switch (Attribute) { 87bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("Unsupported Text attribute in ASM Mode"); 88f009a961caa75465999ef3bc764984d97a7da331Jason W Kim case ARMBuildAttrs::CPU_name: 89590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitRawText(StringRef("\t.cpu ") + String.lower()); 90f009a961caa75465999ef3bc764984d97a7da331Jason W Kim break; 91728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* GAS requires .fpu to be emitted regardless of EABI attribute */ 92728ff0db783152ed4f21f7746bd7874b49708172Renato Golin case ARMBuildAttrs::Advanced_SIMD_arch: 93728ff0db783152ed4f21f7746bd7874b49708172Renato Golin case ARMBuildAttrs::VFP_arch: 94590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitRawText(StringRef("\t.fpu ") + String.lower()); 958e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach break; 96f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 97f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 98cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { } 99cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 100cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 101cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class ObjectAttributeEmitter : public AttributeEmitter { 102719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // This structure holds all attributes, accounting for 103719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // their string/numeric value, so we can later emmit them 104719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // in declaration order, keeping all in the same vector 105719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin struct AttributeItemType { 106719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin enum { 107719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin HiddenAttribute = 0, 108719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin NumericAttribute, 109719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin TextAttribute 110719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } Type; 111719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned Tag; 112719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned IntValue; 113719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef StringValue; 114719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } AttributeItem; 115719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 116cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &Streamer; 117cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola StringRef CurrentVendor; 118719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin SmallVector<AttributeItemType, 64> Contents; 119719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 120719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Account for the ULEB/String size of each item, 121719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // not just the number of items 122719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t ContentsSize; 123719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // FIXME: this should be in a more generic place, but 124719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // getULEBSize() is in MCAsmInfo and will be moved to MCDwarf 125719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t getULEBSize(int Value) { 126719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t Size = 0; 127719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin do { 128719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value >>= 7; 129719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Size += sizeof(int8_t); // Is this really necessary? 130719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } while (Value); 131719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin return Size; 132719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 133cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 134cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 135cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola ObjectAttributeEmitter(MCObjectStreamer &Streamer_) : 136719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer(Streamer_), CurrentVendor(""), ContentsSize(0) { } 137cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 138cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { 139cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola assert(!Vendor.empty() && "Vendor cannot be empty."); 140cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 141cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola if (CurrentVendor.empty()) 142cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 143cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else if (CurrentVendor == Vendor) 144cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola return; 145cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else 146cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Finish(); 147cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 148cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 149cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1503336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola assert(Contents.size() == 0); 151cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 152cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 153cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 154719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 155719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::NumericAttribute, 156719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 157719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value, 158719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef("") 159719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 160719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 161719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Value); 162719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 163cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 164cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 165f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 166719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 167719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::TextAttribute, 168719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 169719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 0, 170719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin String 171719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 172719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 173719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // String + \0 174719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += String.size()+1; 175719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 176719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 177f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 178f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 179cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { 1803336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Vendor size + Vendor name + '\0' 1813336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t VendorHeaderSize = 4 + CurrentVendor.size() + 1; 182cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1833336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Tag + Tag Size 1843336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t TagHeaderSize = 1 + 4; 185cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1863336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(VendorHeaderSize + TagHeaderSize + ContentsSize, 4); 1873336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitBytes(CurrentVendor, 0); 1883336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(0, 1); // '\0' 1893336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 1903336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(ARMBuildAttrs::File, 1); 1913336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(TagHeaderSize + ContentsSize, 4); 192cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 193719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Size should have been accounted for already, now 194719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // emit each field as its type (ULEB or String) 195719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin for (unsigned int i=0; i<Contents.size(); ++i) { 196719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType item = Contents[i]; 197719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.Tag, 0); 198719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin switch (item.Type) { 199bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("Invalid attribute type"); 200719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::NumericAttribute: 201719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.IntValue, 0); 202719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 203719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::TextAttribute: 204590853667345d6fb191764b9d0bd2ff13589e3a3Benjamin Kramer Streamer.EmitBytes(item.StringValue.upper(), 0); 205719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitIntValue(0, 1); // '\0' 206719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 207719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 208719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 2093336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 2103336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Contents.clear(); 211cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 212cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 213cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 2147bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} // end of anonymous namespace 2157bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 216baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachMachineLocation ARMAsmPrinter:: 217baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachgetDebugValueLocation(const MachineInstr *MI) const { 218baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach MachineLocation Location; 219baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!"); 220baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach // Frame address. Currently handles register +- offset only. 221baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm()) 222baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach Location.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm()); 223baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach else { 224baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n"); 225baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach } 226baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach return Location; 227baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach} 228baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach 22927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel/// EmitDwarfRegOp - Emit dwarf register operation. 2300be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patelvoid ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { 23127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel const TargetRegisterInfo *RI = TM.getRegisterInfo(); 23227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1) 2330be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patel AsmPrinter::EmitDwarfRegOp(MLoc); 23427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel else { 23527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Reg = MLoc.getReg(); 23627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (Reg >= ARM::S0 && Reg <= ARM::S31) { 2370a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::S0 + 31 == ARM::S31 && "Unexpected ARM S register numbering"); 23827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S registers are described as bit-pieces of a register 23927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 0) 24027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x+1] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 32) 2418e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 24227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned SReg = Reg - ARM::S0; 24327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel bool odd = SReg & 0x1; 24427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Rx = 256 + (SReg >> 1); 24527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_regx for S register"); 24727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_regx); 24827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment(Twine(SReg)); 25027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(Rx); 25127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 25227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (odd) { 25327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 32"); 25427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 25527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } else { 25827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 0"); 25927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 26027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 26127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(0); 26227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 26371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel } else if (Reg >= ARM::Q0 && Reg <= ARM::Q15) { 2640a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::Q0 + 15 == ARM::Q15 && "Unexpected ARM Q register numbering"); 26571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel // Q registers Q0-Q15 are described by composing two D registers together. 2668e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // Qx = DW_OP_regx(256+2x) DW_OP_piece(8) DW_OP_regx(256+2x+1) 2678e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // DW_OP_piece(8) 26871f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 26971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned QReg = Reg - ARM::Q0; 27071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D1 = 256 + 2 * QReg; 27171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D2 = D1 + 1; 2728e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 27371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D1"); 27471f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 27571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D1); 27671f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 27771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 27871f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 27971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 28071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D2"); 28171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 28271f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D2); 28371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 28471f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 28571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 28627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 28727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 28827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel} 28927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 290953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattnervoid ARMAsmPrinter::EmitFunctionEntryLabel() { 2912fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.ForceCodeRegion(); 2922fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 293953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner if (AFI->isThumbFunction()) { 294ce79299f78bb04e76e1860ab119b85d69f3a19c7Jim Grosbach OutStreamer.EmitAssemblerFlag(MCAF_Code16); 2956469540adf63d94a876c2b623cb4ca70479647f7Rafael Espindola OutStreamer.EmitThumbFunc(CurrentFnSym); 296953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner } 297b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 298953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner OutStreamer.EmitLabel(CurrentFnSym); 299953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner} 300953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattner 30134982576a43887e7f062ed0a3571af2cbab003f3James Molloyvoid ARMAsmPrinter::EmitXXStructor(const Constant *CV) { 30234982576a43887e7f062ed0a3571af2cbab003f3James Molloy uint64_t Size = TM.getTargetData()->getTypeAllocSize(CV->getType()); 30334982576a43887e7f062ed0a3571af2cbab003f3James Molloy assert(Size && "C++ constructor pointer had zero size!"); 30434982576a43887e7f062ed0a3571af2cbab003f3James Molloy 3054a1ff2fb3ecaa2576ecf9ed84816b174c235ac1dBill Wendling const GlobalValue *GV = dyn_cast<GlobalValue>(CV->stripPointerCasts()); 30634982576a43887e7f062ed0a3571af2cbab003f3James Molloy assert(GV && "C++ constructor pointer was not a GlobalValue!"); 30734982576a43887e7f062ed0a3571af2cbab003f3James Molloy 30834982576a43887e7f062ed0a3571af2cbab003f3James Molloy const MCExpr *E = MCSymbolRefExpr::Create(Mang->getSymbol(GV), 30934982576a43887e7f062ed0a3571af2cbab003f3James Molloy (Subtarget->isTargetDarwin() 31034982576a43887e7f062ed0a3571af2cbab003f3James Molloy ? MCSymbolRefExpr::VK_None 31134982576a43887e7f062ed0a3571af2cbab003f3James Molloy : MCSymbolRefExpr::VK_ARM_TARGET1), 31234982576a43887e7f062ed0a3571af2cbab003f3James Molloy OutContext); 31334982576a43887e7f062ed0a3571af2cbab003f3James Molloy 31434982576a43887e7f062ed0a3571af2cbab003f3James Molloy OutStreamer.EmitValue(E, Size); 31534982576a43887e7f062ed0a3571af2cbab003f3James Molloy} 31634982576a43887e7f062ed0a3571af2cbab003f3James Molloy 3172317e40539aac11da00bd587b5f0def04d989769Jim Grosbach/// runOnMachineFunction - This uses the EmitInstruction() 3187bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// method to print assembly for each instruction. 3197bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// 3207bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolabool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) { 321a8e2989ece6dc46df59b0768184028257f913843Evan Cheng AFI = MF.getInfo<ARMFunctionInfo>(); 3226d63a728586d56eb3e881905beb9db27f520f5d3Evan Cheng MCP = MF.getConstantPool(); 323a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 324d49fe1b6bc4615684c2ec71140a21e9c4cd69ce3Chris Lattner return AsmPrinter::runOnMachineFunction(MF); 32532bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola} 32632bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola 327055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengvoid ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, 32835c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner raw_ostream &O, const char *Modifier) { 329055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng const MachineOperand &MO = MI->getOperand(OpNum); 3305cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov unsigned TF = MO.getTargetFlags(); 3315cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 3322f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola switch (MO.getType()) { 333bc2198133a1836598b54b943420748e75d5dea94Craig Topper default: llvm_unreachable("<unknown operand type>"); 3345bafff36c798608a189c517d37527e4a38863071Bob Wilson case MachineOperand::MO_Register: { 3355bafff36c798608a189c517d37527e4a38863071Bob Wilson unsigned Reg = MO.getReg(); 3368bc86cba60fbb35fbfb52cc32b9e451e6b903a27Chris Lattner assert(TargetRegisterInfo::isPhysicalRegister(Reg)); 33735636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach assert(!MO.getSubReg() && "Subregs should be eliminated!"); 33835636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach O << ARMInstPrinter::getRegisterName(Reg); 3392f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 3405bafff36c798608a189c517d37527e4a38863071Bob Wilson } 341a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_Immediate: { 3425adb66a646e2ec32265263739f5b01c3f50c176aEvan Cheng int64_t Imm = MO.getImm(); 343632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << '#'; 3445cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 345650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_LO16)) 3465cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3475cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 348650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_HI16)) 3495cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 350632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << Imm; 3512f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 352a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3532f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_MachineBasicBlock: 3541b2eb0e8a6aaf034675b17be6d853cb1c666200fChris Lattner O << *MO.getMBB()->getSymbol(); 3552f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola return; 35684b19be6ab9544f72eafb11048a1121f5ea77c95Rafael Espindola case MachineOperand::MO_GlobalAddress: { 35746510a73e977273ec67747eb34cbdb43f815e451Dan Gohman const GlobalValue *GV = MO.getGlobal(); 3585cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 3595cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_LO16)) 3605cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3615cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 3625cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_HI16)) 3635cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 364d62f1b4168d4327c119642d28c26c836ae6717abChris Lattner O << *Mang->getSymbol(GV); 3657751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov 3660c08d092049c025c9ccf7143e39f39dc4e30d6b4Chris Lattner printOffset(MO.getOffset(), O); 3671d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3680ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3692f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 370a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 371a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_ExternalSymbol: { 37210b318bcb39218d2ed525e4862c854bc8d1baf63Chris Lattner O << *GetExternalSymbolSymbol(MO.getSymbolName()); 3731d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3740ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3752f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 376a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3772f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_ConstantPoolIndex: 3781b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetCPISymbol(MO.getIndex()); 3792f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 380a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_JumpTableIndex: 3811b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetJTISymbol(MO.getIndex()); 382a8e2989ece6dc46df59b0768184028257f913843Evan Cheng break; 3832f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola } 3847bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 3857bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 386055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng//===--------------------------------------------------------------------===// 387055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng 3880890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3890890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2, 3900890cf124f00da3dc943c1882f4221955e0281edChris Lattner const MachineBasicBlock *MBB) const { 3910890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 3920890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() 393bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2 3940890cf124f00da3dc943c1882f4221955e0281edChris Lattner << "_set_" << MBB->getNumber(); 3959b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 3960890cf124f00da3dc943c1882f4221955e0281edChris Lattner} 3970890cf124f00da3dc943c1882f4221955e0281edChris Lattner 3980890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3990890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const { 4000890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 4010890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "JTI" 402281e7767df71b3f727ade80a16ff0c4fe5a49dd9Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2; 4039b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 404bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner} 405bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner 406433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 407433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim GrosbachMCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel(void) const { 408433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach SmallString<60> Name; 409433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "SJLJEH" 410433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach << getFunctionNumber(); 411433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return OutContext.GetOrCreateSymbol(Name.str()); 412433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach} 413433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 414055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengbool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum, 415c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner unsigned AsmVariant, const char *ExtraCode, 416c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 417a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Does this asm operand have a single letter operand modifier? 418a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode && ExtraCode[0]) { 419a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode[1] != 0) return true; // Unknown modifier. 4208e9ece75db5045ec057efbbdba6550fa0d85e695Anton Korobeynikov 421a8e2989ece6dc46df59b0768184028257f913843Evan Cheng switch (ExtraCode[0]) { 422a8e2989ece6dc46df59b0768184028257f913843Evan Cheng default: return true; // Unknown modifier. 4239b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'a': // Print as a memory address. 4249b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson if (MI->getOperand(OpNum).isReg()) { 4252f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach O << "[" 4262f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()) 4272f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << "]"; 4289b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson return false; 4299b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson } 4309b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson // Fallthrough 4319b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'c': // Don't print "#" before an immediate operand. 4324f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson if (!MI->getOperand(OpNum).isImm()) 4334f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson return true; 4342317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << MI->getOperand(OpNum).getImm(); 4358f3434647d3d39b49475239e3be1b8afb06415cfBob Wilson return false; 436e21e39666e8a41ffd4971d8bb023b70b59297267Evan Cheng case 'P': // Print a VFP double precision register. 437d831cda3e74235704f163d5a18352584d537517aEvan Cheng case 'q': // Print a NEON quad precision register. 43835c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 43923a95704949b99ca07afe45c6946d0fa26baf9f3Evan Cheng return false; 4400628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher case 'y': // Print a VFP single precision register as indexed double. 4410628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // This uses the ordering of the alias table to get the first 'd' register 4420628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // that overlaps the 's' register. Also, s0 is an odd register, hence the 4430628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // odd modulus check below. 4440628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher if (MI->getOperand(OpNum).isReg()) { 4450628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher unsigned Reg = MI->getOperand(OpNum).getReg(); 4460628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo(); 4470628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher O << ARMInstPrinter::getRegisterName(TRI->getAliasSet(Reg)[0]) << 4480628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher (((Reg % 2) == 1) ? "[0]" : "[1]"); 4490628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher return false; 4500628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher } 4514db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 452fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'B': // Bitwise inverse of integer or symbol without a preceding #. 453e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher if (!MI->getOperand(OpNum).isImm()) 454e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return true; 455e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher O << ~(MI->getOperand(OpNum).getImm()); 456e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return false; 457fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'L': // The low 16 bits of an immediate constant. 4584db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher if (!MI->getOperand(OpNum).isImm()) 4594db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 4604db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher O << (MI->getOperand(OpNum).getImm() & 0xffff); 4614db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return false; 4623c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher case 'M': { // A register range suitable for LDM/STM. 4633c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher if (!MI->getOperand(OpNum).isReg()) 4643c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return true; 4653c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher const MachineOperand &MO = MI->getOperand(OpNum); 4663c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegBegin = MO.getReg(); 4673c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // This takes advantage of the 2 operand-ness of ldm/stm and that we've 4683c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // already got the operands in registers that are operands to the 4693c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // inline asm statement. 4708e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4713c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "{" << ARMInstPrinter::getRegisterName(RegBegin); 4728e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4733c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // FIXME: The register allocator not only may not have given us the 4743c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // registers in sequence, but may not be in ascending registers. This 4753c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // will require changes in the register allocator that'll need to be 4763c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // propagated down here if the operands change. 4773c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegOps = OpNum + 1; 4783c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher while (MI->getOperand(RegOps).isReg()) { 4798e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach O << ", " 4803c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher << ARMInstPrinter::getRegisterName(MI->getOperand(RegOps).getReg()); 4813c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher RegOps++; 4823c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 4833c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4843c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "}"; 4853c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4863c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return false; 4873c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 488f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'R': // The most significant register of a pair. 489f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'Q': { // The least significant register of a pair. 490f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (OpNum == 0) 491f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 492f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1); 493f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!FlagsOP.isImm()) 494f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 495f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Flags = FlagsOP.getImm(); 496f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags); 497f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (NumVals != 2) 498f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 499f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned RegOp = ExtraCode[0] == 'Q' ? OpNum : OpNum + 1; 500f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (RegOp >= MI->getNumOperands()) 501f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 502f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &MO = MI->getOperand(RegOp); 503f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!MO.isReg()) 504f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 505f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Reg = MO.getReg(); 506f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola O << ARMInstPrinter::getRegisterName(Reg); 507f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return false; 508f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola } 509f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola 510fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'e': // The low doubleword register of a NEON quad register. 5119cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson case 'f': { // The high doubleword register of a NEON quad register. 5129cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson if (!MI->getOperand(OpNum).isReg()) 5139cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return true; 5149cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson unsigned Reg = MI->getOperand(OpNum).getReg(); 5159cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson if (!ARM::QPRRegClass.contains(Reg)) 5169cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return true; 5179cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo(); 5189cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson unsigned SubReg = TRI->getSubReg(Reg, ExtraCode[0] == 'e' ? 5199cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson ARM::dsub_0 : ARM::dsub_1); 5209cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson O << ARMInstPrinter::getRegisterName(SubReg); 5219cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson return false; 5229cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson } 5239cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson 5249cd2b9562d23909937ab2e4bb45c2a1ed4c86816Bob Wilson // These modifiers are not yet supported. 525fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1. 526fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'H': // The highest-numbered register of a pair. 527d984eb6073d5445f08fb0cea67a668b1b5e888e0Bob Wilson return true; 52884f60b7359e1aa90794bb19de2bbf4d25dc2f01dEvan Cheng } 529a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 530e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 53135c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 532a8e2989ece6dc46df59b0768184028257f913843Evan Cheng return false; 533a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} 534a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 535224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilsonbool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, 536055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng unsigned OpNum, unsigned AsmVariant, 537c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner const char *ExtraCode, 538c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 5398f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher // Does this asm operand have a single letter operand modifier? 5408f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode && ExtraCode[0]) { 5418f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode[1] != 0) return true; // Unknown modifier. 5428e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 5438f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher switch (ExtraCode[0]) { 54432bfb2c513c4efdc1db9967ddfecce8c922dda4fEric Christopher case 'A': // A memory operand for a VLD1/VST1 instruction. 5458f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher default: return true; // Unknown modifier. 5468f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher case 'm': // The base register of a memory operand. 5478f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (!MI->getOperand(OpNum).isReg()) 5488f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return true; 5498f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher O << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()); 5508f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return false; 5518f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5528f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5538e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 554765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson const MachineOperand &MO = MI->getOperand(OpNum); 555765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson assert(MO.isReg() && "unexpected inline asm memory operand"); 5562317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << "[" << ARMInstPrinter::getRegisterName(MO.getReg()) << "]"; 557224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson return false; 558224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson} 559224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson 560812209a58c5520c604bc9279aa069e5ae066e860Bob Wilsonvoid ARMAsmPrinter::EmitStartOfAsmFile(Module &M) { 5610fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (Subtarget->isTargetDarwin()) { 5620fb34683b9e33238288d2af1e090582464df8387Bob Wilson Reloc::Model RelocM = TM.getRelocationModel(); 5630fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (RelocM == Reloc::PIC_ || RelocM == Reloc::DynamicNoPIC) { 5640fb34683b9e33238288d2af1e090582464df8387Bob Wilson // Declare all the text sections up front (before the DWARF sections 5650fb34683b9e33238288d2af1e090582464df8387Bob Wilson // emitted by AsmPrinter::doInitialization) so the assembler will keep 5660fb34683b9e33238288d2af1e090582464df8387Bob Wilson // them together at the beginning of the object file. This helps 5670fb34683b9e33238288d2af1e090582464df8387Bob Wilson // avoid out-of-range branches that are due a fundamental limitation of 5680fb34683b9e33238288d2af1e090582464df8387Bob Wilson // the way symbol offsets are encoded with the current Darwin ARM 5690fb34683b9e33238288d2af1e090582464df8387Bob Wilson // relocations. 570b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach const TargetLoweringObjectFileMachO &TLOFMacho = 5710d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>( 5720d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman getObjFileLowering()); 57329e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextSection()); 57429e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection()); 57529e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection()); 57629e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson if (RelocM == Reloc::DynamicNoPIC) { 57729e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 57822772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__symbol_stub4", 57922772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 58022772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 12, SectionKind::getText()); 58129e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 58229e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } else { 58329e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 58422772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__picsymbolstub4", 58522772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 58622772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 16, SectionKind::getText()); 58729e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 58829e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } 58963db594559dc8eac666204c7907bae664f5234daBob Wilson const MCSection *StaticInitSect = 59063db594559dc8eac666204c7907bae664f5234daBob Wilson OutContext.getMachOSection("__TEXT", "__StaticInit", 59163db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_REGULAR | 59263db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, 59363db594559dc8eac666204c7907bae664f5234daBob Wilson SectionKind::getText()); 59463db594559dc8eac666204c7907bae664f5234daBob Wilson OutStreamer.SwitchSection(StaticInitSect); 5950fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5960fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5970fb34683b9e33238288d2af1e090582464df8387Bob Wilson 598e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach // Use unified assembler syntax. 599afd1cc25786f68ca56a63d29ea2bd297990e9f81Jason W Kim OutStreamer.EmitAssemblerFlag(MCAF_SyntaxUnified); 600d61eca533081580d56fabee38f86507d8019ca75Anton Korobeynikov 60188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov // Emit ARM Build Attributes 60207043279f60622243d16d8a3f60805960482083cEvan Cheng if (Subtarget->isTargetELF()) 603def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim emitAttributes(); 6047bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 6057bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 6060f3cc657387d44cd7c56e4ddea896a50ab9106b8Anton Korobeynikov 6074a071d667d995b00e7853243ff9c7c1269324478Chris Lattnervoid ARMAsmPrinter::EmitEndOfAsmFile(Module &M) { 6085be54b00bdbe1abd02dde46ca2c4b0e5aaf7b537Evan Cheng if (Subtarget->isTargetDarwin()) { 609f61159b574155b056dbd5d6d44f47f753d424056Chris Lattner // All darwin targets use mach-o. 6100d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman const TargetLoweringObjectFileMachO &TLOFMacho = 6110d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering()); 612b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO &MMIMacho = 613b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MMI->getObjFileInfo<MachineModuleInfoMachO>(); 614e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 615a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Output non-lazy-pointers for external and common global variables. 616b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO::SymbolListTy Stubs = MMIMacho.GetGVStubList(); 617cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling 618b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner if (!Stubs.empty()) { 619ff4bc460c52c1f285d8a56da173641bf92d49e3fChris Lattner // Switch with ".non_lazy_symbol_pointer" directive. 6206c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection()); 621c076a9793936b140364671a5e39ee53bd266c6c3Chris Lattner EmitAlignment(2); 622b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 623becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 624becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 625becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .indirect_symbol _foo 62652a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second; 62752a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitSymbolAttribute(MCSym.getPointer(),MCSA_IndirectSymbol); 628cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 62952a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling if (MCSym.getInt()) 630cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // External to current translation unit. 631cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); 632cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling else 633cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // Internal to current translation unit. 6345e1b55d67288874f8669621b9176814ce449f8f5Bill Wendling // 6351b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // When we place the LSDA into the TEXT section, the type info 6361b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // pointers need to be indirect and pc-rel. We accomplish this by 6371b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // using NLPs; however, sometimes the types are local to the file. 6381b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // We need to fill in the value for the NLP in those cases. 63952a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(), 64052a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutContext), 641cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 4/*size*/, 0/*addrspace*/); 642ae94e594164b193236002516970aeec4c4574768Evan Cheng } 643becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 644becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling Stubs.clear(); 645becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.AddBlankLine(); 646a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 647a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 648e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner Stubs = MMIMacho.GetHiddenGVStubList(); 649e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner if (!Stubs.empty()) { 6506c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getDataSection()); 651f3231de60bb64c3f6fc6770b3e6174f4f839a4f3Chris Lattner EmitAlignment(2); 652becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 653becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 654becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 655becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .long _foo 656cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr:: 657cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling Create(Stubs[i].second.getPointer(), 658cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutContext), 659becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 4/*size*/, 0/*addrspace*/); 660becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling } 661cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 662cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling Stubs.clear(); 663cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.AddBlankLine(); 664ae94e594164b193236002516970aeec4c4574768Evan Cheng } 665ae94e594164b193236002516970aeec4c4574768Evan Cheng 666a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Funny Darwin hack: This flag tells the linker that no global symbols 667a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // contain code that falls through to other global symbols (e.g. the obvious 668a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // implementation of multiple entry points). If this doesn't occur, the 669a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // linker can safely perform dead code stripping. Since LLVM never 670a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // generates code that does this, it is always safe to set. 671a5ad93a10a5435f21090b09edb6b3a7e44967648Chris Lattner OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols); 672b01c4bbb4573e0007444e218b683840e4519e0c8Rafael Espindola } 6737bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 6740bd89712c03c59ea43ce37763685e7f7c0bdd977Anton Korobeynikov 67597f06937449c593a248dbbb1365e6ae408fb9decChris Lattner//===----------------------------------------------------------------------===// 676def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Helper routines for EmitStartOfAsmFile() and EmitEndOfAsmFile() 677def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// FIXME: 678def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// The following seem like one-off assembler flags, but they actually need 679fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach// to appear in the .ARM.attributes section in ELF. 680def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Instead of subclassing the MCELFStreamer, we do the work here. 681def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 682def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kimvoid ARMAsmPrinter::emitAttributes() { 683fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach 68417b443df4368acfad853d09858c033c45c468d5cJason W Kim emitARMAttributeSection(); 68517b443df4368acfad853d09858c033c45c468d5cJason W Kim 686728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* GAS expect .fpu to be emitted, regardless of VFP build attribute */ 687728ff0db783152ed4f21f7746bd7874b49708172Renato Golin bool emitFPU = false; 688cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttributeEmitter *AttrEmitter; 689728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (OutStreamer.hasRawTextSupport()) { 690cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new AsmAttributeEmitter(OutStreamer); 691728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = true; 692728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else { 693cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &O = static_cast<MCObjectStreamer&>(OutStreamer); 694cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new ObjectAttributeEmitter(O); 695cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 696cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 697cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->MaybeSwitchVendor("aeabi"); 698cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 699def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim std::string CPUString = Subtarget->getCPUString(); 700f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 701f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (CPUString == "cortex-a8" || 702f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Subtarget->isCortexA8()) { 703c046d64f1b5f19cb06616e519a45bc4b0693f9d3Jason W Kim AttrEmitter->EmitTextAttribute(ARMBuildAttrs::CPU_name, "cortex-a8"); 704f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7); 705f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile, 706f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::ApplicationProfile); 707f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 708f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 709f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 710f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowThumb32); 711f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Fixme: figure out when this is emitted. 712f009a961caa75465999ef3bc764984d97a7da331Jason W Kim //AttrEmitter->EmitAttribute(ARMBuildAttrs::WMMX_arch, 713f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // ARMBuildAttrs::AllowWMMXv1); 714f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // 715f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 716f009a961caa75465999ef3bc764984d97a7da331Jason W Kim /// ADD additional Else-cases here! 717b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola } else if (CPUString == "xscale") { 718b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TEJ); 719b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 720b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 721b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 722b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 723f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } else if (CPUString == "generic") { 7247179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen // FIXME: Why these defaults? 7257179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T); 726f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 727f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 728f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 729f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 730cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 731def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 732e89a05337a9946040251a5f19165c41b9a1a7b27Renato Golin if (Subtarget->hasNEON() && emitFPU) { 733728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* NEON is not exactly a VFP architecture, but GAS emit one of 7344b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov * neon/neon-vfpv4/vfpv3/vfpv2 for .fpu parameters */ 73574bebde7c4e2d1cfd4a16c19ce3c87521df67639Sebastian Pop if (Subtarget->hasNEON2()) 7364b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon-vfpv4"); 7374b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov else 73874bebde7c4e2d1cfd4a16c19ce3c87521df67639Sebastian Pop AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon"); 739728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* If emitted for NEON, omit from VFP below, since you can have both 740728ff0db783152ed4f21f7746bd7874b49708172Renato Golin * NEON and VFP in build attributes but only one .fpu */ 741728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = false; 742728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 743728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 7444b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov /* VFPv4 + .fpu */ 7454b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov if (Subtarget->hasVFP4()) { 7464b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 7474b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov ARMBuildAttrs::AllowFPv4A); 7484b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov if (emitFPU) 7494b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv4"); 7504b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov 751728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv3 + .fpu */ 7524b4e62219be91839091f9e35d8accf877f925d81Anton Korobeynikov } else if (Subtarget->hasVFP3()) { 753728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 754728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::AllowFPv3A); 755728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 756728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv3"); 757728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 758728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv2 + .fpu */ 759728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else if (Subtarget->hasVFP2()) { 760f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 761f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowFPv2); 762728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 763728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv2"); 764728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 765728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 766728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* TODO: ARMBuildAttrs::Allowed is not completely accurate, 767375db7f39af8da118f3947d24ea91967c4a6b526Cameron Zwarich * since NEON can have 1 (allowed) or 2 (MAC operations) */ 768728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (Subtarget->hasNEON()) { 769728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::Advanced_SIMD_arch, 770728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::Allowed); 771728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 772def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 773def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Signal various FP modes. 7748a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (!TM.Options.UnsafeFPMath) { 775f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal, 776f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 777f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions, 778f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 779def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 780def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 7818a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (TM.Options.NoInfsFPMath && TM.Options.NoNaNsFPMath) 782f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 783f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 784def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim else 785f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 786f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowIEE754); 787def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 788f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // FIXME: add more flags to ARMBuildAttrs.h 789def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // 8-bytes alignment stuff. 790cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_needed, 1); 791cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_preserved, 1); 792def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 793def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Hard float. Use both S and D registers and conform to AAPCS-VFP. 7948a8d479214745c82ef00f08d4e4f1c173b5f9ce2Nick Lewycky if (Subtarget->isAAPCS_ABI() && TM.Options.FloatABIType == FloatABI::Hard) { 795cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_HardFP_use, 3); 796cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_VFP_args, 1); 797def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 798def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // FIXME: Should we signal R9 usage? 799cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 800f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (Subtarget->hasDivide()) 801f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::DIV_use, 1); 802cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 803cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->Finish(); 804cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola delete AttrEmitter; 805def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim} 806def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 80717b443df4368acfad853d09858c033c45c468d5cJason W Kimvoid ARMAsmPrinter::emitARMAttributeSection() { 80817b443df4368acfad853d09858c033c45c468d5cJason W Kim // <format-version> 80917b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <section-length> "vendor-name" 81017b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <file-tag> <size> <attribute>* 81117b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <section-tag> <size> <section-number>* 0 <attribute>* 81217b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <symbol-tag> <size> <symbol-number>* 0 <attribute>* 81317b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]+ 81417b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]* 81517b443df4368acfad853d09858c033c45c468d5cJason W Kim 81617b443df4368acfad853d09858c033c45c468d5cJason W Kim if (OutStreamer.hasRawTextSupport()) 81717b443df4368acfad853d09858c033c45c468d5cJason W Kim return; 81817b443df4368acfad853d09858c033c45c468d5cJason W Kim 81917b443df4368acfad853d09858c033c45c468d5cJason W Kim const ARMElfTargetObjectFile &TLOFELF = 82017b443df4368acfad853d09858c033c45c468d5cJason W Kim static_cast<const ARMElfTargetObjectFile &> 82117b443df4368acfad853d09858c033c45c468d5cJason W Kim (getObjFileLowering()); 82217b443df4368acfad853d09858c033c45c468d5cJason W Kim 82317b443df4368acfad853d09858c033c45c468d5cJason W Kim OutStreamer.SwitchSection(TLOFELF.getAttributesSection()); 824def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 825cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Format version 826cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola OutStreamer.EmitIntValue(0x41, 1); 82717b443df4368acfad853d09858c033c45c468d5cJason W Kim} 82817b443df4368acfad853d09858c033c45c468d5cJason W Kim 829def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim//===----------------------------------------------------------------------===// 83097f06937449c593a248dbbb1365e6ae408fb9decChris Lattner 831988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbachstatic MCSymbol *getPICLabel(const char *Prefix, unsigned FunctionNumber, 832988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach unsigned LabelId, MCContext &Ctx) { 833988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 834988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach MCSymbol *Label = Ctx.GetOrCreateSymbol(Twine(Prefix) 835988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach + "PC" + Twine(FunctionNumber) + "_" + Twine(LabelId)); 836988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach return Label; 837988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach} 838988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 8392c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbachstatic MCSymbolRefExpr::VariantKind 8402c4d5125c708bb35140fc2a40b02beb1add101dbJim GrosbachgetModifierVariantKind(ARMCP::ARMCPModifier Modifier) { 8412c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach switch (Modifier) { 8422c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::no_modifier: return MCSymbolRefExpr::VK_None; 8432c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TLSGD: return MCSymbolRefExpr::VK_ARM_TLSGD; 8442c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TPOFF: return MCSymbolRefExpr::VK_ARM_TPOFF; 8452c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTTPOFF: return MCSymbolRefExpr::VK_ARM_GOTTPOFF; 8462c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOT: return MCSymbolRefExpr::VK_ARM_GOT; 8472c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTOFF: return MCSymbolRefExpr::VK_ARM_GOTOFF; 8482c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach } 8494d6ccb5f68cd7c6418a209f1fa4dbade569e4493David Blaikie llvm_unreachable("Invalid ARMCPModifier!"); 8502c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach} 8512c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 8525de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan ChengMCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV) { 8535de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng bool isIndirect = Subtarget->isTargetDarwin() && 8545de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel()); 8555de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (!isIndirect) 8565de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return Mang->getSymbol(GV); 8575de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8585de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // FIXME: Remove this when Darwin transition to @GOT like syntax. 8595de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *MCSym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr"); 8605de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoMachO &MMIMachO = 8615de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMI->getObjFileInfo<MachineModuleInfoMachO>(); 8625de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoImpl::StubValueTy &StubSym = 8635de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(MCSym) : 8645de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMIMachO.getGVStubEntry(MCSym); 8655de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (StubSym.getPointer() == 0) 8665de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubSym = MachineModuleInfoImpl:: 8675de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage()); 8685de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return MCSym; 8695de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng} 8705de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8715df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbachvoid ARMAsmPrinter:: 8725df08d8f55f47aafc671c358d971dbcc10dfdeefJim GrosbachEmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { 8735df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach int Size = TM.getTargetData()->getTypeAllocSize(MCPV->getType()); 8745df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8755df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV); 8765df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8777c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSymbol *MCSym; 8785df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach if (ACPV->isLSDA()) { 8797c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach SmallString<128> Str; 8807c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach raw_svector_ostream OS(Str); 8815df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach OS << MAI->getPrivateGlobalPrefix() << "_LSDA_" << getFunctionNumber(); 8827c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSym = OutContext.GetOrCreateSymbol(OS.str()); 8835df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isBlockAddress()) { 8845bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const BlockAddress *BA = 8855bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling cast<ARMConstantPoolConstant>(ACPV)->getBlockAddress(); 8865bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling MCSym = GetBlockAddressSymbol(BA); 8875df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isGlobalValue()) { 8885bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV(); 8895de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSym = GetARMGVSymbol(GV); 890e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling } else if (ACPV->isMachineBasicBlock()) { 8913320f2a3bfd4daec23ba7ceb50525140cc6316daBill Wendling const MachineBasicBlock *MBB = cast<ARMConstantPoolMBB>(ACPV)->getMBB(); 892e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling MCSym = MBB->getSymbol(); 8935df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else { 8945df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach assert(ACPV->isExtSymbol() && "unrecognized constant pool value"); 895fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling const char *Sym = cast<ARMConstantPoolSymbol>(ACPV)->getSymbol(); 896fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling MCSym = GetExternalSymbolSymbol(Sym); 8975df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 8985df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8995df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach // Create an MCSymbol for the reference. 9002c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *Expr = 9012c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbolRefExpr::Create(MCSym, getModifierVariantKind(ACPV->getModifier()), 9022c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9032c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 9042c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->getPCAdjustment()) { 9052c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *PCLabel = getPICLabel(MAI->getPrivateGlobalPrefix(), 9062c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach getFunctionNumber(), 9072c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach ACPV->getLabelId(), 9082c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9092c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *PCRelExpr = MCSymbolRefExpr::Create(PCLabel, OutContext); 9102c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = 9112c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCBinaryExpr::CreateAdd(PCRelExpr, 9122c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCConstantExpr::Create(ACPV->getPCAdjustment(), 9132c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext), 9142c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 9152c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->mustAddCurrentAddress()) { 9162c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // We want "(<expr> - .)", but MC doesn't have a concept of the '.' 9172c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // label, so just emit a local label end reference that instead. 9182c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *DotSym = OutContext.CreateTempSymbol(); 9192c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitLabel(DotSym); 9202c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *DotExpr = MCSymbolRefExpr::Create(DotSym, OutContext); 9212c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = MCBinaryExpr::CreateSub(PCRelExpr, DotExpr, OutContext); 9225df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 9232c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, PCRelExpr, OutContext); 9245df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 9252c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitValue(Expr, Size); 9265df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach} 9275df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 928a2244cb38781e596110023399c7902b5ee5087feJim Grosbachvoid ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { 929a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned Opcode = MI->getOpcode(); 930a2244cb38781e596110023399c7902b5ee5087feJim Grosbach int OpNum = 1; 931a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (Opcode == ARM::BR_JTadd) 932a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 2; 933a2244cb38781e596110023399c7902b5ee5087feJim Grosbach else if (Opcode == ARM::BR_JTm) 934a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 3; 935a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 936a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 937a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 938a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned JTI = MO1.getIndex(); 939a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 9402fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Tag the jump table appropriately for precise disassembly. 9412fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable32Region(); 9422fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 943a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit a label for the jump table. 944a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 945a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitLabel(JTISymbol); 946a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 947a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit each entry of the table. 948a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 949a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 950a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 951a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 952a2244cb38781e596110023399c7902b5ee5087feJim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 953a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 954a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Construct an MCExpr for the entry. We want a value of the form: 955a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // (BasicBlockAddr - TableBeginAddr) 956a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // 957a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // For example, a table with entries jumping to basic blocks BB0 and BB1 958a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // would look like: 959a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // LJTI_0_0: 960a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB0 - LJTI_0_0) 961a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB1 - LJTI_0_0) 962a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MCExpr *Expr = MCSymbolRefExpr::Create(MBB->getSymbol(), OutContext); 963a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 964a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (TM.getRelocationModel() == Reloc::PIC_) 965a2244cb38781e596110023399c7902b5ee5087feJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, MCSymbolRefExpr::Create(JTISymbol, 966a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext), 967a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext); 968de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // If we're generating a table of Thumb addresses in static relocation 969de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // model, we need to add one to keep interworking correctly. 970de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach else if (AFI->isThumbFunction()) 971de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach Expr = MCBinaryExpr::CreateAdd(Expr, MCConstantExpr::Create(1,OutContext), 972de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach OutContext); 973a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitValue(Expr, 4); 974a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 975a2244cb38781e596110023399c7902b5ee5087feJim Grosbach} 976a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 977882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbachvoid ARMAsmPrinter::EmitJump2Table(const MachineInstr *MI) { 978882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned Opcode = MI->getOpcode(); 979882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach int OpNum = (Opcode == ARM::t2BR_JT) ? 2 : 1; 980882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 981882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 982882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned JTI = MO1.getIndex(); 983882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 984882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit a label for the jump table. 9852fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (MI->getOpcode() == ARM::t2TBB_JT) { 9862fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable8Region(); 9872fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } else if (MI->getOpcode() == ARM::t2TBH_JT) { 9882fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable16Region(); 9892fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } else { 9902fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitJumpTable32Region(); 9912fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson } 9922fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 993882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 994882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitLabel(JTISymbol); 995882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 996882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit each entry of the table. 997882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 998882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 999882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 1000205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach unsigned OffsetWidth = 4; 1001d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach if (MI->getOpcode() == ARM::t2TBB_JT) 1002205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 1; 1003d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach else if (MI->getOpcode() == ARM::t2TBH_JT) 1004205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 2; 1005882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 1006882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 1007882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 1008205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::Create(MBB->getSymbol(), 1009205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1010882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // If this isn't a TBB or TBH, the entries are direct branch instructions. 1011205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach if (OffsetWidth == 4) { 1012882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst BrInst; 1013882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach BrInst.setOpcode(ARM::t2B); 1014205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach BrInst.addOperand(MCOperand::CreateExpr(MBBSymbolExpr)); 101551f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 101651f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateReg(0)); 1017882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(BrInst); 1018882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach continue; 1019882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1020882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Otherwise it's an offset from the dispatch instruction. Construct an 1021205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // MCExpr for the entry. We want a value of the form: 1022205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // (BasicBlockAddr - TableBeginAddr) / 2 1023205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // 1024205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // For example, a TBB table with entries jumping to basic blocks BB0 and BB1 1025205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // would look like: 1026205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // LJTI_0_0: 1027205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB0 - LJTI_0_0) / 2 1028205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB1 - LJTI_0_0) / 2 1029205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *Expr = 1030205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCBinaryExpr::CreateSub(MBBSymbolExpr, 1031205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCSymbolRefExpr::Create(JTISymbol, OutContext), 1032205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1033205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach Expr = MCBinaryExpr::CreateDiv(Expr, MCConstantExpr::Create(2, OutContext), 1034205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 1035205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutStreamer.EmitValue(Expr, OffsetWidth); 1036882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1037882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach} 1038882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 10392d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbachvoid ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI, 10402d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_ostream &OS) { 10412d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach unsigned NOps = MI->getNumOperands(); 10422d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(NOps==4); 10432d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: "; 10442d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // cast away const; DIetc do not take const operands for some reason. 10452d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata())); 10462d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << V.getName(); 10472d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << " <- "; 10482d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // Frame address. Currently handles register +- offset only. 10492d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm()); 10502d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS); 10512d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << ']'; 10522d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << "+"; 10532d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach printOperand(MI, NOps-2, OS); 10542d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach} 10552d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach 105640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbachstatic void populateADROperands(MCInst &Inst, unsigned Dest, 105740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCSymbol *Label, 105840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach unsigned pred, unsigned ccreg, 105940edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MCContext &Ctx) { 106040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, Ctx); 106140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(Dest)); 106240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 106340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach // Add predicate operands. 106440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateImm(pred)); 106540edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(ccreg)); 106640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach} 106740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach 10684d7286083537833880901953d29786cf831affc4Anton Korobeynikovvoid ARMAsmPrinter::EmitPatchedInstruction(const MachineInstr *MI, 10694d7286083537833880901953d29786cf831affc4Anton Korobeynikov unsigned Opcode) { 10704d7286083537833880901953d29786cf831affc4Anton Korobeynikov MCInst TmpInst; 10714d7286083537833880901953d29786cf831affc4Anton Korobeynikov 10724d7286083537833880901953d29786cf831affc4Anton Korobeynikov // Emit the instruction as usual, just patch the opcode. 10734d7286083537833880901953d29786cf831affc4Anton Korobeynikov LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 10744d7286083537833880901953d29786cf831affc4Anton Korobeynikov TmpInst.setOpcode(Opcode); 10754d7286083537833880901953d29786cf831affc4Anton Korobeynikov OutStreamer.EmitInstruction(TmpInst); 10764d7286083537833880901953d29786cf831affc4Anton Korobeynikov} 10774d7286083537833880901953d29786cf831affc4Anton Korobeynikov 107857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { 107957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getFlag(MachineInstr::FrameSetup) && 108057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only instruction which are involved into frame setup code are allowed"); 108157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 108257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const MachineFunction &MF = *MI->getParent()->getParent(); 108357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo(); 1084b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const ARMFunctionInfo &AFI = *MF.getInfo<ARMFunctionInfo>(); 108557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 108657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned FramePtr = RegInfo->getFrameRegister(MF); 108757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned Opc = MI->getOpcode(); 10887a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned SrcReg, DstReg; 10897a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 10903daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov if (Opc == ARM::tPUSH || Opc == ARM::tLDRpci) { 10913daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // Two special cases: 10923daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 1) tPUSH does not have src/dst regs. 10933daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 2) for Thumb1 code we sometimes materialize the constant via constpool 10943daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // load. Yes, this is pretty fragile, but for now I don't see better 10953daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // way... :( 10967a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov SrcReg = DstReg = ARM::SP; 10977a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } else { 10983daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov SrcReg = MI->getOperand(1).getReg(); 10997a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov DstReg = MI->getOperand(0).getReg(); 11007a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } 110157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 110257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Try to figure out the unwinding opcode out of src / dst regs. 11035a96b3dad2f634c9081c8b2b6c2575441dc5a2bdEvan Cheng if (MI->mayStore()) { 110457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Register saves. 110557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(DstReg == ARM::SP && 110657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a destination reg is supported"); 110757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 110857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov SmallVector<unsigned, 4> RegList; 11097a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Skip src & dst reg, and pred ops. 11107a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned StartOp = 2 + 2; 11117a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Use all the operands. 11127a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned NumOffset = 0; 11137a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 111457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 111557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 111657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1117bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 11187a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tPUSH: 11197a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Special case here: no src & dst reg, but two extra imp ops. 11207a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov StartOp = 2; NumOffset = 2; 112157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::STMDB_UPD: 11227a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::t2STMDB_UPD: 112357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::VSTMDDB_UPD: 112457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(SrcReg == ARM::SP && 112557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 11267a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset; 11277a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov i != NumOps; ++i) 112857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(MI->getOperand(i).getReg()); 112957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 1130793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_IMM: 1131793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_REG: 113273dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::t2STR_PRE: 113357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getOperand(2).getReg() == ARM::SP && 113457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 113557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(SrcReg); 113657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 113757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 113857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitRegSave(RegList, Opc == ARM::VSTMDDB_UPD); 113957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 114057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Changes of stack / frame pointer. 114157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (SrcReg == ARM::SP) { 114257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov int64_t Offset = 0; 114357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 114457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 114557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1146bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 114757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::MOVr: 114873dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::tMOVr: 114957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = 0; 115057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 115157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::ADDri: 115257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = -MI->getOperand(2).getImm(); 115357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 115457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::SUBri: 115573dd8bbce3ff54c318233027fb5e29f8298e01d6Evgeniy Stepanov case ARM::t2SUBri: 1156f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm(); 115757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 11587a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tSUBspi: 1159f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm()*4; 11607a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 11617a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDspi: 11627a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDrSPi: 11637a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov Offset = -MI->getOperand(2).getImm()*4; 11647a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 1165b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov case ARM::tLDRpci: { 1166b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Grab the constpool index and check, whether it corresponds to 1167b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // original or cloned constpool entry. 1168b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov unsigned CPI = MI->getOperand(1).getIndex(); 1169b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPool *MCP = MF.getConstantPool(); 1170b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov if (CPI >= MCP->getConstants().size()) 1171b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov CPI = AFI.getOriginalCPIdx(CPI); 1172b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(CPI != -1U && "Invalid constpool index"); 1173b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov 1174b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Derive the actual offset. 1175b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPoolEntry &CPE = MCP->getConstants()[CPI]; 1176b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(!CPE.isMachineConstantPoolEntry() && "Invalid constpool entry"); 1177b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // FIXME: Check for user, it should be "add" instruction! 1178b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov Offset = -cast<ConstantInt>(CPE.Val.ConstVal)->getSExtValue(); 11793daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov break; 118057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 1181b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov } 118257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 118357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (DstReg == FramePtr && FramePtr != ARM::SP) 1184e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Set-up of the frame pointer. Positive values correspond to "add" 1185e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // instruction. 1186e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov OutStreamer.EmitSetFP(FramePtr, ARM::SP, -Offset); 118757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else if (DstReg == ARM::SP) { 1188e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Change of SP by an offset. Positive values correspond to "sub" 118957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // instruction. 119057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitPad(Offset); 119157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 119257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1193bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 119457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 119557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else if (DstReg == ARM::SP) { 119657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // FIXME: .movsp goes here 119757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1198bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 119957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 120057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else { 120157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 1202bc2198133a1836598b54b943420748e75d5dea94Craig Topper llvm_unreachable("Unsupported opcode for unwinding information"); 120357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 120457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 120557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 120657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 12073eb4be0ace6263f35a2f3aae9e964a752ebe55afChandler Carruthextern cl::opt<bool> EnableARMEHABI; 120857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 120953e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// Simple pseudo-instructions have their lowering (with expansion to real 121053e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// instructions) auto-generated. 121153e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach#include "ARMGenMCPseudoLowering.inc" 121253e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach 1213b454cdaebc6e4543099955ce043258c3903b1a0eJim Grosbachvoid ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { 12142fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson if (MI->getOpcode() != ARM::CONSTPOOL_ENTRY) 12152fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitCodeRegion(); 12162fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson 12175aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach // Emit unwinding stuff for frame-related instructions 12183eb4be0ace6263f35a2f3aae9e964a752ebe55afChandler Carruth if (EnableARMEHABI && MI->getFlag(MachineInstr::FrameSetup)) 12195aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach EmitUnwindingInstruction(MI); 12205aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach 122153e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Do any auto-generated pseudo lowerings. 122253e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach if (emitPseudoExpansionLowering(OutStreamer, MI)) 122316f9924000a8d513353cd5c69d1d6307016fe280Jim Grosbach return; 12249702e6075c3e4cd508fd787e3bf6b3e64eb029abJim Grosbach 12253be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick assert(!convertAddSubFlagsOpcode(MI->getOpcode()) && 12263be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick "Pseudo flag setting opcode should be expanded early"); 12273be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick 122853e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Check for manual lowerings. 122953e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach unsigned Opc = MI->getOpcode(); 123053e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach switch (Opc) { 1231bc2198133a1836598b54b943420748e75d5dea94Craig Topper case ARM::t2MOVi32imm: llvm_unreachable("Should be lowered by thumb2it pass"); 12322d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach case ARM::DBG_VALUE: { 12332d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach if (isVerbose() && OutStreamer.hasRawTextSupport()) { 12342d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach SmallString<128> TmpStr; 12352d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_svector_ostream OS(TmpStr); 12362d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach PrintDebugValueComment(MI, OS); 12372d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OutStreamer.EmitRawText(StringRef(OS.str())); 12382d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 12392d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach return; 12402d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 124140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::LEApcrel: 1242d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrel: 124340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::t2LEApcrel: { 1244dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach // FIXME: Need to also handle globals and externals 1245dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach MCInst TmpInst; 1246d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrel ? ARM::t2ADR 1247d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR 1248d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 124940edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 125040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetCPISymbol(MI->getOperand(1).getIndex()), 125140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm(), MI->getOperand(3).getReg(), 125240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 1253dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1254dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach return; 1255dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach } 1256d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::LEApcrelJT: 1257d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrelJT: 1258d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::t2LEApcrelJT: { 12595d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach MCInst TmpInst; 1260d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrelJT ? ARM::t2ADR 1261d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR 1262d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 126340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 126440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(), 126540edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm()), 126640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(3).getImm(), MI->getOperand(4).getReg(), 126740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 12685d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach OutStreamer.EmitInstruction(TmpInst); 12695d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach return; 12705d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach } 1271f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // Darwin call instructions are just normal call instructions with different 1272f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // clobber semantics (they clobber R9). 1273a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BXr9_CALL: 1274a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BX_CALL: { 1275a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1276a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1277a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1278a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1279a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1280a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1281a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1282a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1283a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1284a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1285a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1286a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1287a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1288a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1289a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::BX); 1290a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1291a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1292a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1293a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1294a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1295ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich case ARM::tBXr9_CALL: 1296ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich case ARM::tBX_CALL: { 1297ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1298ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1299ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tMOVr); 1300ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1301ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 130263b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Add predicate operands. 130363b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 130463b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1305ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1306ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1307ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1308ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1309ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tBX); 1310ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1311ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich // Add predicate operands. 1312ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1313ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(0)); 1314ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1315ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1316ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich return; 1317ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1318a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BMOVPCRXr9_CALL: 1319a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BMOVPCRX_CALL: { 1320a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1321a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1322a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1323a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1324a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1325a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1326a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1327a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1328a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1329a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1330a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1331a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1332a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1333a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1334a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1335a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1336a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1337a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1338a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1339a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1340a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1341a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1342a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1343a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1344a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1345a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 13464bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::BMOVPCBr9_CALL: 13474bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::BMOVPCB_CALL: { 13484bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13494bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13504bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::MOVr); 13514bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 13524bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 13534bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13544bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13554bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13564bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add 's' bit operand (always reg0 for this) 13574bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13584bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13594bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13604bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13614bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13624bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::Bcc); 13634bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const GlobalValue *GV = MI->getOperand(0).getGlobal(); 13644bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCSymbol *GVSym = Mang->getSymbol(GV); 13654bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 13664bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(GVSymExpr)); 13674bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13684bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13694bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13704bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13714bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13724bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng return; 13734bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13744bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::t2BMOVPCBr9_CALL: 13754bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng case ARM::t2BMOVPCB_CALL: { 13764bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13774bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13784bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::tMOVr); 13794bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 13804bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 13814bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13824bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13834bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13844bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13854bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13864bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng { 13874bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCInst TmpInst; 13884bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.setOpcode(ARM::t2B); 13894bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const GlobalValue *GV = MI->getOperand(0).getGlobal(); 13904bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng MCSymbol *GVSym = Mang->getSymbol(GV); 13914bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 13924bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(GVSymExpr)); 13934bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng // Add predicate operands. 13944bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13954bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13964bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13974bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 13984bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng return; 13994bfcd4acbc7d12aa55f8de9af84a38422f0f6d83Evan Cheng } 140053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVi16_ga_pcrel: 140153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVi16_ga_pcrel: { 14025de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 140353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVi16_ga_pcrel? ARM::MOVi16 : ARM::t2MOVi16); 14045de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 14055de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 140653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(1).getTargetFlags(); 140753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_LO16_NONLAZY_PIC; 14085de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(1).getGlobal(); 14095de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 14105de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 141153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 141253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 141353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 141453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(2).getImm(), OutContext); 141553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 141653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVi16_ga_pcrel) ? 8 : 4; 141753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 141853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateLower16(MCBinaryExpr::CreateSub(GVSymExpr, 141953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 142053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 14215de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 142253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 142353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 142453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateLower16(GVSymExpr, OutContext); 142553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 142653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 142753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng 14285de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 14295de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 14305de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14315de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 14325de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14335de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 14345de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 14355de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 143653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVTi16_ga_pcrel: 143753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVTi16_ga_pcrel: { 14385de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 143953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVTi16_ga_pcrel 144053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ? ARM::MOVTi16 : ARM::t2MOVTi16); 14415de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 14425de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 14435de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 144453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(2).getTargetFlags(); 144553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_HI16_NONLAZY_PIC; 14465de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(2).getGlobal(); 14475de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 14485de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 144953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 145053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 145153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 145253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(3).getImm(), OutContext); 145353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 145453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVTi16_ga_pcrel) ? 8 : 4; 145553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 145653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateUpper16(MCBinaryExpr::CreateSub(GVSymExpr, 145753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 145853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 14595de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 146053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 146153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 146253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateUpper16(GVSymExpr, OutContext); 146353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 146453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 14655de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 14665de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 14675de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14685de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 14695de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 14705de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 14715de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 14725de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 1473fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach case ARM::tPICADD: { 1474fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1475fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // LPC0: 1476fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // add r0, pc 1477fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This adds the address of LPC0 to r0. 1478fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1479fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Emit the label. 1480988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1481988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1482988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1483fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1484fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Form and emit the add. 1485fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach MCInst AddInst; 1486fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.setOpcode(ARM::tADDhirr); 1487fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1488fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1489fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1490fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Add predicate operands. 1491fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1492fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1493fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach OutStreamer.EmitInstruction(AddInst); 1494fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach return; 1495fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach } 1496a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::PICADD: { 14974d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This is a pseudo op for a label + instruction sequence, which looks like: 14984d1522234192704f45dfd2527c2913fa60be616eChris Lattner // LPC0: 14994d1522234192704f45dfd2527c2913fa60be616eChris Lattner // add r0, pc, r0 15004d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This adds the address of LPC0 to r0. 1501b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 15024d1522234192704f45dfd2527c2913fa60be616eChris Lattner // Emit the label. 1503988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1504988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1505988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1506b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 1507f3f09527e6484143fcdef2ddfef0b2f016881e36Jim Grosbach // Form and emit the add. 15084d1522234192704f45dfd2527c2913fa60be616eChris Lattner MCInst AddInst; 15094d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.setOpcode(ARM::ADDrr); 15104d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15114d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15124d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 15135b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add predicate operands. 15145b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 15155b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 15165b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add 's' bit operand (always reg0 for this) 15175b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1518850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(AddInst); 15194d1522234192704f45dfd2527c2913fa60be616eChris Lattner return; 1520b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach } 1521a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTR: 1522a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRB: 1523a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: 1524a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDR: 1525a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRB: 1526a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: 1527a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: 1528a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: { 1529b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1530b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // LPC0: 1531a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach // OP r0, [pc, r0] 1532b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // The LCP0 label is referenced by a constant pool entry in order to get 1533b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // a PC-relative address at the ldr instruction. 1534b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1535b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Emit the label. 1536988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1537988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1538988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1539b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1540b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Form and emit the load 1541a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach unsigned Opcode; 1542a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach switch (MI->getOpcode()) { 1543a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach default: 1544a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach llvm_unreachable("Unexpected opcode!"); 15457e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTR: Opcode = ARM::STRrs; break; 15467e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTRB: Opcode = ARM::STRBrs; break; 1547a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: Opcode = ARM::STRH; break; 15483e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach case ARM::PICLDR: Opcode = ARM::LDRrs; break; 1549c1d30212e911d1e55ff6b25bffefb503708883c3Jim Grosbach case ARM::PICLDRB: Opcode = ARM::LDRBrs; break; 1550a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: Opcode = ARM::LDRH; break; 1551a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: Opcode = ARM::LDRSB; break; 1552a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: Opcode = ARM::LDRSH; break; 1553a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach } 1554a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach MCInst LdStInst; 1555a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.setOpcode(Opcode); 1556a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1557a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1558a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1559a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(0)); 1560b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Add predicate operands. 1561a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 1562a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 1563a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach OutStreamer.EmitInstruction(LdStInst); 1564b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1565b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach return; 15664d1522234192704f45dfd2527c2913fa60be616eChris Lattner } 1567a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::CONSTPOOL_ENTRY: { 1568a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool 1569a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// in the function. The first operand is the ID# for this instruction, the 1570a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// second is the index into the MachineConstantPool that this is, the third 1571a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// is the size in bytes of this constant pool entry. 15723e572ac2fbdf6aa538500be07b9b050ac008669eJakob Stoklund Olesen /// The required alignment is specified on the basic block holding this MI. 1573a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned LabelId = (unsigned)MI->getOperand(0).getImm(); 1574a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned CPIdx = (unsigned)MI->getOperand(1).getIndex(); 1575a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 15762fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // Mark the constant pool entry as data if we're not already in a data 15772fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson // region. 15782fec6c5ff153786744ba7d0d302b73179731c5e9Owen Anderson OutStreamer.EmitDataRegion(); 15791b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner OutStreamer.EmitLabel(GetCPISymbol(LabelId)); 1580a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 1581a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPIdx]; 1582a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner if (MCPE.isMachineConstantPoolEntry()) 1583a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal); 1584a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner else 1585a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitGlobalConstant(MCPE.Val.ConstVal); 1586a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner return; 1587a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner } 1588882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach case ARM::t2BR_JT: { 1589882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1590882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst TmpInst; 15912a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 15925ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15935ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15945ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 15955ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15965ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15975ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 15985ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 15995ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 16005ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 16015ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 16025ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBB_JT: { 16035ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16045ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 16055ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 16065ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBB); 16075ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16085ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16095ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 16105ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16115ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16125ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 16135ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 16145ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 16155ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Make sure the next instruction is 2-byte aligned. 16165ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitAlignment(1); 16175ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 16185ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 16195ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBH_JT: { 16205ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16215ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 16225ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 16235ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBH); 16245ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16255ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16265ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 16275ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16285ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1629882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16305ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 1631882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach EmitJump2Table(MI); 1632882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach return; 1633882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1634f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach case ARM::tBR_JTr: 16352dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTr: { 16362dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16372dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // mov pc, target 16382dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16395ca66696e734f963b613de51e3df3684395daf1cJim Grosbach unsigned Opc = MI->getOpcode() == ARM::BR_JTr ? 16402a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach ARM::MOVr : ARM::tMOVr; 1641f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach TmpInst.setOpcode(Opc); 16422dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16432dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16442dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 16452dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16462dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1647a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1648a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach if (Opc == ARM::MOVr) 1649a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16502dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16512dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 1652f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach // Make sure the Thumb jump table is 4-byte aligned. 16532a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach if (Opc == ARM::tMOVr) 1654f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach EmitAlignment(2); 1655f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach 16562dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 16572dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach EmitJumpTable(MI); 16582dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach return; 16592dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 16602dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTm: { 16612dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 16622dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // ldr pc, target 16632dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16642dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach if (MI->getOperand(1).getReg() == 0) { 16652dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // literal offset 16662dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 16672dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16682dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16692dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm())); 16702dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } else { 16712dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRrs); 16722dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16732dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16742dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 16752dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 16762dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 16772dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 16782dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16792dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16802dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 16812dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 16822dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 1683a2244cb38781e596110023399c7902b5ee5087feJim Grosbach EmitJumpTable(MI); 1684a2244cb38781e596110023399c7902b5ee5087feJim Grosbach return; 1685a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 1686f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach case ARM::BR_JTadd: { 1687f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1688f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // add pc, target, idx 16892dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 16902dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::ADDrr); 16912dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 16922dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 16932dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1694f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add predicate operands. 16952dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 16962dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1697f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add 's' bit operand (always reg0 for this) 16982dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 16992dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1700f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach 1701f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Output the data for the jump table itself 1702f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach EmitJumpTable(MI); 1703f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach return; 1704f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach } 17052e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::TRAP: { 17062e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 17072e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 17082e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 170978890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.long 0xe7ffdefe @ trap 1710b2dda4bd346fe9a2795f83f659c0e60191b2e6a0Jim Grosbach uint32_t Val = 0xe7ffdefeUL; 17112e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 17122e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 4); 17132e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 17142e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17152e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 17162e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17172e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::tTRAP: { 17182e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 17192e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 17202e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 172178890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.short 57086 @ trap 1722c8ab9eb066f6d35880e3a24436baf21236c921caBenjamin Kramer uint16_t Val = 0xdefe; 17232e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 17242e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 2); 17252e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 17262e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 17272e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 17282e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 1729433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp: 1730433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp_nofp: 1731a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::tInt_eh_sjlj_setjmp: { 1732433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Two incoming args: GPR:$src, GPR:$val 1733433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // mov $val, pc 1734433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // adds $val, #7 1735433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // str $val, [$src, #4] 1736433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #0 1737433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // b 1f 1738433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #1 1739433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 1: 1740433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1741433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1742433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCSymbol *Label = GetARMSJLJEHLabel(); 1743433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1744433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 17452a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1746433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1747433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 174863b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Predicate. 174963b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 175063b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1751433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1752433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1753433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1754433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1755433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1756433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tADDi3); 1757433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1758433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 's' bit operand 1759433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1760433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1761433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(7)); 1762433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1763433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1764433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1765433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1766433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1767433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1768433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1769f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tSTRi); 1770433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1771433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1772433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // The offset immediate is #4. The operand value is scaled by 4 for the 1773433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // tSTR instruction. 1774433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1775433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1776433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1777433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1778433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1779433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1780433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1781433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1782433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1783433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1784433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1785433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1786433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1787433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1788433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1789433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1790433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1791433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1792433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext); 1793433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1794433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tB); 1795433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 179651f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 179751f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateReg(0)); 1798433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1799433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1800433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1801433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1802433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1803433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1804433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1805433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1806433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1807433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1808433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1809433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1810433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1811433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1812433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitLabel(Label); 1813433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return; 1814433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1815433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 1816453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach case ARM::Int_eh_sjlj_setjmp_nofp: 1817a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::Int_eh_sjlj_setjmp: { 1818453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Two incoming args: GPR:$src, GPR:$val 1819453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add $val, pc, #8 1820453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // str $val, [$src, #+4] 1821453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #0 1822453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add pc, pc, #0 1823453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #1 1824453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1825453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1826453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach 1827453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1828453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1829453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1830453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1831453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1832453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 1833453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1834453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1835453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1836453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1837453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1838453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1839453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1840453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1841453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1842453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 18437e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach TmpInst.setOpcode(ARM::STRi12); 1844453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1845453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1846453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 1847453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1848453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1849453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1850453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1851453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1852453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1853453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1854453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1855453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1856453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1857453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1858453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1859453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1860453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1861453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1862453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1863453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1864453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1865453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1866453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1867453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1868453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1869453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1870453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1871453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1872453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1873453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1874453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1875453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1876453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1877453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1878453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1879453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1880453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1881453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1882453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1883453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1884453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1885453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1886453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1887453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1888453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1889453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1890453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach return; 1891453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 18925acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach case ARM::Int_eh_sjlj_longjmp: { 18935acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr sp, [$src, #8] 18945acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr $scratch, [$src, #4] 18955acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr r7, [$src] 18965acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // bx $scratch 18975acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 18985acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 18995acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19005acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19013e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 19025acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 19035acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 19045acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 19055acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19065acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19075acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19085acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19095acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19105acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19115acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19123e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 19135acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 19145acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 19155acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 19165acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19175acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19185acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19195acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19205acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19215acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19225acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19233e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 19245acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 19255acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 19265acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 19275acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19285acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19295acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 19305acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 19315acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19325acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 19335acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 19346e46d84eea97792a66c0bb64f26aad3976a23365Bill Wendling TmpInst.setOpcode(ARM::BX); 19355acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 19365acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 19375acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 19385acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1939385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1940385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1941385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach return; 1942385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1943385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach case ARM::tInt_eh_sjlj_longjmp: { 1944385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #8] 1945385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // mov sp, $scratch 1946385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #4] 1947385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr r7, [$src] 1948385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // bx $scratch 1949385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1950385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 1951385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1952385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1953f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1954385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1955385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1956385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // The offset immediate is #8. The operand value is scaled by 4 for the 1957f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling // tLDR instruction. 1958385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(2)); 1959385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1960385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1961385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1962385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1963385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1964385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1965385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 19662a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1967385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 1968385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1969385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1970385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1971385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1972385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1973385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1974385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1975385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1976f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1977385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1978385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1979385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1980385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1981385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1982385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1983385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1984385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1985385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1986385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1987f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRr); 1988385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 1989385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1990385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1991385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1992385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1993385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1994385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1995385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1996385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1997385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1998421b106872d9c8adb4f14d77a8c6a1afeaaa29f6Cameron Zwarich TmpInst.setOpcode(ARM::tBX); 1999385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 2000385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 2001385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 2002385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 20035acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 20045acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 20055acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach return; 20065acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 200797f06937449c593a248dbbb1365e6ae408fb9decChris Lattner } 2008b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 200997f06937449c593a248dbbb1365e6ae408fb9decChris Lattner MCInst TmpInst; 201030e2cc254be72601b11383dda01f495741ffd56cChris Lattner LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 201157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 2012850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(TmpInst); 201397f06937449c593a248dbbb1365e6ae408fb9decChris Lattner} 20142685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 20152685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 20162685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Target Registry Stuff 20172685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 20182685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 20192685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Force static initialization. 20202685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbarextern "C" void LLVMInitializeARMAsmPrinter() { 20212685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget); 20222685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget); 20232685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar} 2024