ARMAsmPrinter.cpp revision fe31e673506ef9a1080eaa684b43b34178c6f447
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" 5054c78ef2fed32e82e6aea8cbeb89156814eaf27cBob Wilson#include "llvm/ADT/StringExtras.h" 5197f06937449c593a248dbbb1365e6ae408fb9decChris Lattner#include "llvm/Support/CommandLine.h" 5259135f49e1699daec9a43fc2d15715d55b910f54Devang Patel#include "llvm/Support/Debug.h" 533046470919e648ff7c011bda9c094163062c83dcTorok Edwin#include "llvm/Support/ErrorHandling.h" 543e74d6fdd248e20a280f1dff3da9a6c689c2c4c3Evan Cheng#include "llvm/Support/TargetRegistry.h" 55b23569aff0a6d2b231cb93cc4acd0ac060ba560fChris Lattner#include "llvm/Support/raw_ostream.h" 567bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola#include <cctype> 577bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolausing namespace llvm; 587bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 5995b2c7da5e83670881270c1cd231a240be0556d9Chris Lattnernamespace { 60cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 61cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Per section and per symbol attributes are not supported. 62cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // To implement them we would need the ability to delay this emission 63cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // until the assembly file is fully parsed/generated as only then do we 64cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // know the symbol and section numbers. 65cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AttributeEmitter { 66cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 67cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void MaybeSwitchVendor(StringRef Vendor) = 0; 68cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void EmitAttribute(unsigned Attribute, unsigned Value) = 0; 69f009a961caa75465999ef3bc764984d97a7da331Jason W Kim virtual void EmitTextAttribute(unsigned Attribute, StringRef String) = 0; 70cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola virtual void Finish() = 0; 714921e2356ef8f3b3f9ebd0c154b091c3d5dd2ce4Rafael Espindola virtual ~AttributeEmitter() {} 72cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 73cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 74cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class AsmAttributeEmitter : public AttributeEmitter { 75cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCStreamer &Streamer; 76cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 77cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 78cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AsmAttributeEmitter(MCStreamer &Streamer_) : Streamer(Streamer_) {} 79cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { } 80cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 81cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 82cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Streamer.EmitRawText("\t.eabi_attribute " + 83cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Twine(Attribute) + ", " + Twine(Value)); 84cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 85cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 86f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 87f009a961caa75465999ef3bc764984d97a7da331Jason W Kim switch (Attribute) { 88f009a961caa75465999ef3bc764984d97a7da331Jason W Kim case ARMBuildAttrs::CPU_name: 89c046d64f1b5f19cb06616e519a45bc4b0693f9d3Jason W Kim Streamer.EmitRawText(StringRef("\t.cpu ") + LowercaseString(String)); 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: 94728ff0db783152ed4f21f7746bd7874b49708172Renato Golin Streamer.EmitRawText(StringRef("\t.fpu ") + LowercaseString(String)); 958e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach break; 96f009a961caa75465999ef3bc764984d97a7da331Jason W Kim default: assert(0 && "Unsupported Text attribute in ASM Mode"); break; 97f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 98f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 99cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { } 100cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 101cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 102cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola class ObjectAttributeEmitter : public AttributeEmitter { 103719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // This structure holds all attributes, accounting for 104719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // their string/numeric value, so we can later emmit them 105719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // in declaration order, keeping all in the same vector 106719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin struct AttributeItemType { 107719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin enum { 108719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin HiddenAttribute = 0, 109719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin NumericAttribute, 110719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin TextAttribute 111719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } Type; 112719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned Tag; 113719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin unsigned IntValue; 114719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef StringValue; 115719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } AttributeItem; 116719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 117cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &Streamer; 118cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola StringRef CurrentVendor; 119719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin SmallVector<AttributeItemType, 64> Contents; 120719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 121719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Account for the ULEB/String size of each item, 122719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // not just the number of items 123719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t ContentsSize; 124719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // FIXME: this should be in a more generic place, but 125719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // getULEBSize() is in MCAsmInfo and will be moved to MCDwarf 126719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t getULEBSize(int Value) { 127719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin size_t Size = 0; 128719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin do { 129719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value >>= 7; 130719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Size += sizeof(int8_t); // Is this really necessary? 131719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } while (Value); 132719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin return Size; 133719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 134cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 135cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola public: 136cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola ObjectAttributeEmitter(MCObjectStreamer &Streamer_) : 137719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer(Streamer_), CurrentVendor(""), ContentsSize(0) { } 138cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 139cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void MaybeSwitchVendor(StringRef Vendor) { 140cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola assert(!Vendor.empty() && "Vendor cannot be empty."); 141cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 142cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola if (CurrentVendor.empty()) 143cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 144cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else if (CurrentVendor == Vendor) 145cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola return; 146cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola else 147cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Finish(); 148cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 149cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola CurrentVendor = Vendor; 150cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1513336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola assert(Contents.size() == 0); 152cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 153cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 154cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void EmitAttribute(unsigned Attribute, unsigned Value) { 155719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 156719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::NumericAttribute, 157719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 158719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Value, 159719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin StringRef("") 160719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 161719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 162719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Value); 163719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 164cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 165cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 166f009a961caa75465999ef3bc764984d97a7da331Jason W Kim void EmitTextAttribute(unsigned Attribute, StringRef String) { 167719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType attr = { 168719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType::TextAttribute, 169719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Attribute, 170719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 0, 171719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin String 172719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin }; 173719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += getULEBSize(Attribute); 174719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // String + \0 175719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin ContentsSize += String.size()+1; 176719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin 177719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Contents.push_back(attr); 178f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } 179f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 180cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola void Finish() { 1813336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Vendor size + Vendor name + '\0' 1823336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t VendorHeaderSize = 4 + CurrentVendor.size() + 1; 183cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1843336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola // Tag + Tag Size 1853336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola const size_t TagHeaderSize = 1 + 4; 186cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 1873336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(VendorHeaderSize + TagHeaderSize + ContentsSize, 4); 1883336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitBytes(CurrentVendor, 0); 1893336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(0, 1); // '\0' 1903336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 1913336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(ARMBuildAttrs::File, 1); 1923336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Streamer.EmitIntValue(TagHeaderSize + ContentsSize, 4); 193cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 194719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // Size should have been accounted for already, now 195719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin // emit each field as its type (ULEB or String) 196719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin for (unsigned int i=0; i<Contents.size(); ++i) { 197719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin AttributeItemType item = Contents[i]; 198719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.Tag, 0); 199719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin switch (item.Type) { 200719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::NumericAttribute: 201719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitULEB128IntValue(item.IntValue, 0); 202719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 203719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin case AttributeItemType::TextAttribute: 204719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitBytes(UppercaseString(item.StringValue), 0); 205719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin Streamer.EmitIntValue(0, 1); // '\0' 206719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin break; 207719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin default: 208719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin assert(0 && "Invalid attribute type"); 209719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 210719927a68f5b8ca34bacbeb7c970f281e27cbf63Renato Golin } 2113336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola 2123336384239e563bdc5f3dbb8affec6c1e9ffbc47Rafael Espindola Contents.clear(); 213cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 214cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 215cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 2167bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} // end of anonymous namespace 2177bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 218baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachMachineLocation ARMAsmPrinter:: 219baf120fbe8056ef68fc91b16465590fdf2311c27Jim GrosbachgetDebugValueLocation(const MachineInstr *MI) const { 220baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach MachineLocation Location; 221baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!"); 222baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach // Frame address. Currently handles register +- offset only. 223baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach if (MI->getOperand(0).isReg() && MI->getOperand(1).isImm()) 224baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach Location.set(MI->getOperand(0).getReg(), MI->getOperand(1).getImm()); 225baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach else { 226baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach DEBUG(dbgs() << "DBG_VALUE instruction ignored! " << *MI << "\n"); 227baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach } 228baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach return Location; 229baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach} 230baf120fbe8056ef68fc91b16465590fdf2311c27Jim Grosbach 23127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel/// EmitDwarfRegOp - Emit dwarf register operation. 2320be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patelvoid ARMAsmPrinter::EmitDwarfRegOp(const MachineLocation &MLoc) const { 23327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel const TargetRegisterInfo *RI = TM.getRegisterInfo(); 23427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (RI->getDwarfRegNum(MLoc.getReg(), false) != -1) 2350be77dff1147488814b8eea6ec8619f56e3d9f5eDevang Patel AsmPrinter::EmitDwarfRegOp(MLoc); 23627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel else { 23727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Reg = MLoc.getReg(); 23827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (Reg >= ARM::S0 && Reg <= ARM::S31) { 2390a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::S0 + 31 == ARM::S31 && "Unexpected ARM S register numbering"); 24027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S registers are described as bit-pieces of a register 24127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 0) 24227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel // S[2x+1] = DW_OP_regx(256 + (x>>1)) DW_OP_bit_piece(32, 32) 2438e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 24427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned SReg = Reg - ARM::S0; 24527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel bool odd = SReg & 0x1; 24627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel unsigned Rx = 256 + (SReg >> 1); 24727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 24827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_regx for S register"); 24927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_regx); 25027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 25127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment(Twine(SReg)); 25227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(Rx); 25327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 25427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel if (odd) { 25527f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 32"); 25627f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 25727f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 25927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } else { 26027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel OutStreamer.AddComment("DW_OP_bit_piece 32 0"); 26127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitInt8(dwarf::DW_OP_bit_piece); 26227f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(32); 26327f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel EmitULEB128(0); 26427f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 26571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel } else if (Reg >= ARM::Q0 && Reg <= ARM::Q15) { 2660a6ea83f393d06fb424c470777a1c3e8a8c50ab1Devang Patel assert(ARM::Q0 + 15 == ARM::Q15 && "Unexpected ARM Q register numbering"); 26771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel // Q registers Q0-Q15 are described by composing two D registers together. 2688e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // Qx = DW_OP_regx(256+2x) DW_OP_piece(8) DW_OP_regx(256+2x+1) 2698e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach // DW_OP_piece(8) 27071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 27171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned QReg = Reg - ARM::Q0; 27271f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D1 = 256 + 2 * QReg; 27371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel unsigned D2 = D1 + 1; 2748e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 27571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D1"); 27671f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 27771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D1); 27871f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 27971f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 28071f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 28171f3f1146f2ba2773f0467767b67c12258960f34Devang Patel 28271f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_regx for Q register: D2"); 28371f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_regx); 28471f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(D2); 28571f3f1146f2ba2773f0467767b67c12258960f34Devang Patel OutStreamer.AddComment("DW_OP_piece 8"); 28671f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitInt8(dwarf::DW_OP_piece); 28771f3f1146f2ba2773f0467767b67c12258960f34Devang Patel EmitULEB128(8); 28827f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 28927f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel } 29027f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel} 29127f5acb7d49c3ca2e3f7fe13d97cc19a78b15e1aDevang Patel 292953ebb769ada06d22f8ae4963651530b9cb84830Chris Lattnervoid ARMAsmPrinter::EmitFunctionEntryLabel() { 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 3012317e40539aac11da00bd587b5f0def04d989769Jim Grosbach/// runOnMachineFunction - This uses the EmitInstruction() 3027bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// method to print assembly for each instruction. 3037bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola/// 3047bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindolabool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) { 305a8e2989ece6dc46df59b0768184028257f913843Evan Cheng AFI = MF.getInfo<ARMFunctionInfo>(); 3066d63a728586d56eb3e881905beb9db27f520f5d3Evan Cheng MCP = MF.getConstantPool(); 307a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 308d49fe1b6bc4615684c2ec71140a21e9c4cd69ce3Chris Lattner return AsmPrinter::runOnMachineFunction(MF); 30932bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola} 31032bd5f4f6a374f9ab0fcbd2cf6a8561019a6fd56Rafael Espindola 311055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengvoid ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, 31235c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner raw_ostream &O, const char *Modifier) { 313055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng const MachineOperand &MO = MI->getOperand(OpNum); 3145cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov unsigned TF = MO.getTargetFlags(); 3155cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov 3162f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola switch (MO.getType()) { 3178bc86cba60fbb35fbfb52cc32b9e451e6b903a27Chris Lattner default: 3188bc86cba60fbb35fbfb52cc32b9e451e6b903a27Chris Lattner assert(0 && "<unknown operand type>"); 3195bafff36c798608a189c517d37527e4a38863071Bob Wilson case MachineOperand::MO_Register: { 3205bafff36c798608a189c517d37527e4a38863071Bob Wilson unsigned Reg = MO.getReg(); 3218bc86cba60fbb35fbfb52cc32b9e451e6b903a27Chris Lattner assert(TargetRegisterInfo::isPhysicalRegister(Reg)); 32235636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach assert(!MO.getSubReg() && "Subregs should be eliminated!"); 32335636281c7ab6eb128b4ced6bf7ae0b6b8458dd2Jim Grosbach O << ARMInstPrinter::getRegisterName(Reg); 3242f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 3255bafff36c798608a189c517d37527e4a38863071Bob Wilson } 326a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_Immediate: { 3275adb66a646e2ec32265263739f5b01c3f50c176aEvan Cheng int64_t Imm = MO.getImm(); 328632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << '#'; 3295cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 330650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_LO16)) 3315cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3325cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 333650b7d76afbc7db2dd1a4590149d50a162bb25d8Jason W Kim (TF == ARMII::MO_HI16)) 3345cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 335632606c724ebcfa6a9da71c443151e7a65829c99Anton Korobeynikov O << Imm; 3362f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 337a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3382f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_MachineBasicBlock: 3391b2eb0e8a6aaf034675b17be6d853cb1c666200fChris Lattner O << *MO.getMBB()->getSymbol(); 3402f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola return; 34184b19be6ab9544f72eafb11048a1121f5ea77c95Rafael Espindola case MachineOperand::MO_GlobalAddress: { 34246510a73e977273ec67747eb34cbdb43f815e451Dan Gohman const GlobalValue *GV = MO.getGlobal(); 3435cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov if ((Modifier && strcmp(Modifier, "lo16") == 0) || 3445cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_LO16)) 3455cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":lower16:"; 3465cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov else if ((Modifier && strcmp(Modifier, "hi16") == 0) || 3475cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov (TF & ARMII::MO_HI16)) 3485cdc3a949af0cef7f2163f8a7acbf3049c226321Anton Korobeynikov O << ":upper16:"; 349d62f1b4168d4327c119642d28c26c836ae6717abChris Lattner O << *Mang->getSymbol(GV); 3507751ad92daeea5a3502fbc266ae814baec5c03e6Anton Korobeynikov 3510c08d092049c025c9ccf7143e39f39dc4e30d6b4Chris Lattner printOffset(MO.getOffset(), O); 3521d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3530ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3542f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 355a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 356a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_ExternalSymbol: { 35710b318bcb39218d2ed525e4862c854bc8d1baf63Chris Lattner O << *GetExternalSymbolSymbol(MO.getSymbolName()); 3581d6111c5ac97c321782637b2cd72e2c3e4d3d694Jim Grosbach if (TF == ARMII::MO_PLT) 3590ae4a3357a556261f25b1584a2d9914637c69e65Lauro Ramos Venancio O << "(PLT)"; 3602f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 361a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 3622f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola case MachineOperand::MO_ConstantPoolIndex: 3631b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetCPISymbol(MO.getIndex()); 3642f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola break; 365a8e2989ece6dc46df59b0768184028257f913843Evan Cheng case MachineOperand::MO_JumpTableIndex: 3661b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner O << *GetJTISymbol(MO.getIndex()); 367a8e2989ece6dc46df59b0768184028257f913843Evan Cheng break; 3682f99b6bd9601ae8d4fd248f9bb701283795c38a8Rafael Espindola } 3697bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 3707bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 371055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng//===--------------------------------------------------------------------===// 372055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng 3730890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3740890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMSetPICJumpTableLabel2(unsigned uid, unsigned uid2, 3750890cf124f00da3dc943c1882f4221955e0281edChris Lattner const MachineBasicBlock *MBB) const { 3760890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 3770890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() 378bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2 3790890cf124f00da3dc943c1882f4221955e0281edChris Lattner << "_set_" << MBB->getNumber(); 3809b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 3810890cf124f00da3dc943c1882f4221955e0281edChris Lattner} 3820890cf124f00da3dc943c1882f4221955e0281edChris Lattner 3830890cf124f00da3dc943c1882f4221955e0281edChris LattnerMCSymbol *ARMAsmPrinter:: 3840890cf124f00da3dc943c1882f4221955e0281edChris LattnerGetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const { 3850890cf124f00da3dc943c1882f4221955e0281edChris Lattner SmallString<60> Name; 3860890cf124f00da3dc943c1882f4221955e0281edChris Lattner raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "JTI" 387281e7767df71b3f727ade80a16ff0c4fe5a49dd9Chris Lattner << getFunctionNumber() << '_' << uid << '_' << uid2; 3889b97a73dedf736e14b04a3d1a153f10d25b2507bChris Lattner return OutContext.GetOrCreateSymbol(Name.str()); 389bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner} 390bfcb09688c7db15a9f9415d717a5a31c499a2208Chris Lattner 391433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 392433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim GrosbachMCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel(void) const { 393433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach SmallString<60> Name; 394433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach raw_svector_ostream(Name) << MAI->getPrivateGlobalPrefix() << "SJLJEH" 395433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach << getFunctionNumber(); 396433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return OutContext.GetOrCreateSymbol(Name.str()); 397433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach} 398433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 399055b0310f862b91f33699037ce67d3ab8137c20cEvan Chengbool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum, 400c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner unsigned AsmVariant, const char *ExtraCode, 401c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 402a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Does this asm operand have a single letter operand modifier? 403a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode && ExtraCode[0]) { 404a8e2989ece6dc46df59b0768184028257f913843Evan Cheng if (ExtraCode[1] != 0) return true; // Unknown modifier. 4058e9ece75db5045ec057efbbdba6550fa0d85e695Anton Korobeynikov 406a8e2989ece6dc46df59b0768184028257f913843Evan Cheng switch (ExtraCode[0]) { 407a8e2989ece6dc46df59b0768184028257f913843Evan Cheng default: return true; // Unknown modifier. 4089b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'a': // Print as a memory address. 4099b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson if (MI->getOperand(OpNum).isReg()) { 4102f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach O << "[" 4112f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()) 4122f24c4ece09f1157c5cb29357d91d2a0d77eb57cJim Grosbach << "]"; 4139b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson return false; 4149b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson } 4159b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson // Fallthrough 4169b4b00ad436daeac6f97f77e9b5a3cc67ada150cBob Wilson case 'c': // Don't print "#" before an immediate operand. 4174f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson if (!MI->getOperand(OpNum).isImm()) 4184f38b383d5089c49489a9a56d8efd0eb76048b3fBob Wilson return true; 4192317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << MI->getOperand(OpNum).getImm(); 4208f3434647d3d39b49475239e3be1b8afb06415cfBob Wilson return false; 421e21e39666e8a41ffd4971d8bb023b70b59297267Evan Cheng case 'P': // Print a VFP double precision register. 422d831cda3e74235704f163d5a18352584d537517aEvan Cheng case 'q': // Print a NEON quad precision register. 42335c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 42423a95704949b99ca07afe45c6946d0fa26baf9f3Evan Cheng return false; 4250628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher case 'y': // Print a VFP single precision register as indexed double. 4260628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // This uses the ordering of the alias table to get the first 'd' register 4270628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // that overlaps the 's' register. Also, s0 is an odd register, hence the 4280628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher // odd modulus check below. 4290628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher if (MI->getOperand(OpNum).isReg()) { 4300628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher unsigned Reg = MI->getOperand(OpNum).getReg(); 4310628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher const TargetRegisterInfo *TRI = MF->getTarget().getRegisterInfo(); 4320628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher O << ARMInstPrinter::getRegisterName(TRI->getAliasSet(Reg)[0]) << 4330628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher (((Reg % 2) == 1) ? "[0]" : "[1]"); 4340628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher return false; 4350628d38085b28a59a4b13d7e35760cce54f0af7aEric Christopher } 4364db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 437fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'B': // Bitwise inverse of integer or symbol without a preceding #. 438e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher if (!MI->getOperand(OpNum).isImm()) 439e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return true; 440e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher O << ~(MI->getOperand(OpNum).getImm()); 441e1739d598d2c980822cc42bbf9821b91ebbc829fEric Christopher return false; 442fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'L': // The low 16 bits of an immediate constant. 4434db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher if (!MI->getOperand(OpNum).isImm()) 4444db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return true; 4454db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher O << (MI->getOperand(OpNum).getImm() & 0xffff); 4464db7dec70b06a1d50a265c3666e126065e09f396Eric Christopher return false; 4473c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher case 'M': { // A register range suitable for LDM/STM. 4483c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher if (!MI->getOperand(OpNum).isReg()) 4493c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return true; 4503c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher const MachineOperand &MO = MI->getOperand(OpNum); 4513c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegBegin = MO.getReg(); 4523c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // This takes advantage of the 2 operand-ness of ldm/stm and that we've 4533c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // already got the operands in registers that are operands to the 4543c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // inline asm statement. 4558e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4563c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "{" << ARMInstPrinter::getRegisterName(RegBegin); 4578e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 4583c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // FIXME: The register allocator not only may not have given us the 4593c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // registers in sequence, but may not be in ascending registers. This 4603c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // will require changes in the register allocator that'll need to be 4613c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // propagated down here if the operands change. 4623c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher unsigned RegOps = OpNum + 1; 4633c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher while (MI->getOperand(RegOps).isReg()) { 4648e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach O << ", " 4653c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher << ARMInstPrinter::getRegisterName(MI->getOperand(RegOps).getReg()); 4663c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher RegOps++; 4673c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 4683c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4693c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher O << "}"; 4703c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher 4713c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher return false; 4723c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher } 473f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'R': // The most significant register of a pair. 474f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola case 'Q': { // The least significant register of a pair. 475f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (OpNum == 0) 476f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 477f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &FlagsOP = MI->getOperand(OpNum - 1); 478f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!FlagsOP.isImm()) 479f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 480f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Flags = FlagsOP.getImm(); 481f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned NumVals = InlineAsm::getNumOperandRegisters(Flags); 482f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (NumVals != 2) 483f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 484f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned RegOp = ExtraCode[0] == 'Q' ? OpNum : OpNum + 1; 485f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (RegOp >= MI->getNumOperands()) 486f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 487f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola const MachineOperand &MO = MI->getOperand(RegOp); 488f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola if (!MO.isReg()) 489f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return true; 490f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola unsigned Reg = MO.getReg(); 491f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola O << ARMInstPrinter::getRegisterName(Reg); 492f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola return false; 493f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola } 494f5ade5d39abe5cb12a8202c604321d5992e4a168Rafael Espindola 4953c14f24c9da3f811d3530e984e692acf1a471b91Eric Christopher // These modifiers are not yet supported. 496fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'p': // The high single-precision register of a VFP double-precision 497fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher // register. 498fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'e': // The low doubleword register of a NEON quad register. 499fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'f': // The high doubleword register of a NEON quad register. 500fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'h': // A range of VFP/NEON registers suitable for VLD1/VST1. 501fef50062eae28fc6d893cd3ef528f8ca85cd50b0Eric Christopher case 'H': // The highest-numbered register of a pair. 502d984eb6073d5445f08fb0cea67a668b1b5e888e0Bob Wilson return true; 50384f60b7359e1aa90794bb19de2bbf4d25dc2f01dEvan Cheng } 504a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 505e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 50635c33bd772b3cfb34fdc6b5c9171f955454d0043Chris Lattner printOperand(MI, OpNum, O); 507a8e2989ece6dc46df59b0768184028257f913843Evan Cheng return false; 508a8e2989ece6dc46df59b0768184028257f913843Evan Cheng} 509a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 510224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilsonbool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, 511055b0310f862b91f33699037ce67d3ab8137c20cEvan Cheng unsigned OpNum, unsigned AsmVariant, 512c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner const char *ExtraCode, 513c75c028a15a13786eee585aa634b4faf694dd00aChris Lattner raw_ostream &O) { 5148f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher // Does this asm operand have a single letter operand modifier? 5158f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode && ExtraCode[0]) { 5168f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (ExtraCode[1] != 0) return true; // Unknown modifier. 5178e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 5188f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher switch (ExtraCode[0]) { 51932bfb2c513c4efdc1db9967ddfecce8c922dda4fEric Christopher case 'A': // A memory operand for a VLD1/VST1 instruction. 5208f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher default: return true; // Unknown modifier. 5218f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher case 'm': // The base register of a memory operand. 5228f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher if (!MI->getOperand(OpNum).isReg()) 5238f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return true; 5248f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher O << ARMInstPrinter::getRegisterName(MI->getOperand(OpNum).getReg()); 5258f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher return false; 5268f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5278f8946389418ce3cdbf69bbf34443efe0c874b40Eric Christopher } 5288e0c7697fd9b9354856074efc06eea9f6d80015cJim Grosbach 529765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson const MachineOperand &MO = MI->getOperand(OpNum); 530765cc0b9d59bf63dfcb02e3d126ea1c63e16f86fBob Wilson assert(MO.isReg() && "unexpected inline asm memory operand"); 5312317e40539aac11da00bd587b5f0def04d989769Jim Grosbach O << "[" << ARMInstPrinter::getRegisterName(MO.getReg()) << "]"; 532224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson return false; 533224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson} 534224c244f56025c10e70e4204daceadfb3cdd2c06Bob Wilson 535812209a58c5520c604bc9279aa069e5ae066e860Bob Wilsonvoid ARMAsmPrinter::EmitStartOfAsmFile(Module &M) { 5360fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (Subtarget->isTargetDarwin()) { 5370fb34683b9e33238288d2af1e090582464df8387Bob Wilson Reloc::Model RelocM = TM.getRelocationModel(); 5380fb34683b9e33238288d2af1e090582464df8387Bob Wilson if (RelocM == Reloc::PIC_ || RelocM == Reloc::DynamicNoPIC) { 5390fb34683b9e33238288d2af1e090582464df8387Bob Wilson // Declare all the text sections up front (before the DWARF sections 5400fb34683b9e33238288d2af1e090582464df8387Bob Wilson // emitted by AsmPrinter::doInitialization) so the assembler will keep 5410fb34683b9e33238288d2af1e090582464df8387Bob Wilson // them together at the beginning of the object file. This helps 5420fb34683b9e33238288d2af1e090582464df8387Bob Wilson // avoid out-of-range branches that are due a fundamental limitation of 5430fb34683b9e33238288d2af1e090582464df8387Bob Wilson // the way symbol offsets are encoded with the current Darwin ARM 5440fb34683b9e33238288d2af1e090582464df8387Bob Wilson // relocations. 545b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach const TargetLoweringObjectFileMachO &TLOFMacho = 5460d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>( 5470d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman getObjFileLowering()); 54829e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextSection()); 54929e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getTextCoalSection()); 55029e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(TLOFMacho.getConstTextCoalSection()); 55129e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson if (RelocM == Reloc::DynamicNoPIC) { 55229e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 55322772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__symbol_stub4", 55422772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 55522772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 12, SectionKind::getText()); 55629e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 55729e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } else { 55829e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson const MCSection *sect = 55922772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner OutContext.getMachOSection("__TEXT", "__picsymbolstub4", 56022772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner MCSectionMachO::S_SYMBOL_STUBS, 56122772214de79aa1c5ca38c4fb1da137d8fb30a05Chris Lattner 16, SectionKind::getText()); 56229e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson OutStreamer.SwitchSection(sect); 56329e066965fb84b3aad2840815c6d0602dafb0b17Bob Wilson } 56463db594559dc8eac666204c7907bae664f5234daBob Wilson const MCSection *StaticInitSect = 56563db594559dc8eac666204c7907bae664f5234daBob Wilson OutContext.getMachOSection("__TEXT", "__StaticInit", 56663db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_REGULAR | 56763db594559dc8eac666204c7907bae664f5234daBob Wilson MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, 56863db594559dc8eac666204c7907bae664f5234daBob Wilson SectionKind::getText()); 56963db594559dc8eac666204c7907bae664f5234daBob Wilson OutStreamer.SwitchSection(StaticInitSect); 5700fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5710fb34683b9e33238288d2af1e090582464df8387Bob Wilson } 5720fb34683b9e33238288d2af1e090582464df8387Bob Wilson 573e5165490b7ba24bb2f3043399e0d60e7f3bcf8a5Jim Grosbach // Use unified assembler syntax. 574afd1cc25786f68ca56a63d29ea2bd297990e9f81Jason W Kim OutStreamer.EmitAssemblerFlag(MCAF_SyntaxUnified); 575d61eca533081580d56fabee38f86507d8019ca75Anton Korobeynikov 57688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov // Emit ARM Build Attributes 57788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov if (Subtarget->isTargetELF()) { 578b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 579def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim emitAttributes(); 58088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov } 5817bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 5827bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola 5830f3cc657387d44cd7c56e4ddea896a50ab9106b8Anton Korobeynikov 5844a071d667d995b00e7853243ff9c7c1269324478Chris Lattnervoid ARMAsmPrinter::EmitEndOfAsmFile(Module &M) { 5855be54b00bdbe1abd02dde46ca2c4b0e5aaf7b537Evan Cheng if (Subtarget->isTargetDarwin()) { 586f61159b574155b056dbd5d6d44f47f753d424056Chris Lattner // All darwin targets use mach-o. 5870d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman const TargetLoweringObjectFileMachO &TLOFMacho = 5880d805c33d134d88169e3dc4a3272cff9a5713ce7Dan Gohman static_cast<const TargetLoweringObjectFileMachO &>(getObjFileLowering()); 589b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO &MMIMacho = 590b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MMI->getObjFileInfo<MachineModuleInfoMachO>(); 591e9952213086c865eb678bd3f4c9c7d849f0249d2Jim Grosbach 592a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Output non-lazy-pointers for external and common global variables. 593b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner MachineModuleInfoMachO::SymbolListTy Stubs = MMIMacho.GetGVStubList(); 594cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling 595b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner if (!Stubs.empty()) { 596ff4bc460c52c1f285d8a56da173641bf92d49e3fChris Lattner // Switch with ".non_lazy_symbol_pointer" directive. 5976c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(TLOFMacho.getNonLazySymbolPointerSection()); 598c076a9793936b140364671a5e39ee53bd266c6c3Chris Lattner EmitAlignment(2); 599b0f294c14b4e7098e5170ecfd528bcc9682ce0c7Chris Lattner for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 600becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 601becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 602becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .indirect_symbol _foo 60352a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling MachineModuleInfoImpl::StubValueTy &MCSym = Stubs[i].second; 60452a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitSymbolAttribute(MCSym.getPointer(),MCSA_IndirectSymbol); 605cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 60652a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling if (MCSym.getInt()) 607cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // External to current translation unit. 608cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.EmitIntValue(0, 4/*size*/, 0/*addrspace*/); 609cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling else 610cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling // Internal to current translation unit. 6115e1b55d67288874f8669621b9176814ce449f8f5Bill Wendling // 6121b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // When we place the LSDA into the TEXT section, the type info 6131b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // pointers need to be indirect and pc-rel. We accomplish this by 6141b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // using NLPs; however, sometimes the types are local to the file. 6151b935a3d2e2619c7de2488163fc1501285b53fa3Jim Grosbach // We need to fill in the value for the NLP in those cases. 61652a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr::Create(MCSym.getPointer(), 61752a50e5d0e6ac08d86706dbdd8f4a5dbb44da4cbBill Wendling OutContext), 618cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 4/*size*/, 0/*addrspace*/); 619ae94e594164b193236002516970aeec4c4574768Evan Cheng } 620becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 621becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling Stubs.clear(); 622becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.AddBlankLine(); 623a8e2989ece6dc46df59b0768184028257f913843Evan Cheng } 624a8e2989ece6dc46df59b0768184028257f913843Evan Cheng 625e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner Stubs = MMIMacho.GetHiddenGVStubList(); 626e4d9ea83c0d4bcc535bd978e1afa599eb3ebb893Chris Lattner if (!Stubs.empty()) { 6276c2f9e14fdf14d8c1c687c6bd9918183fa7f8a7fChris Lattner OutStreamer.SwitchSection(getObjFileLowering().getDataSection()); 628f3231de60bb64c3f6fc6770b3e6174f4f839a4f3Chris Lattner EmitAlignment(2); 629becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling for (unsigned i = 0, e = Stubs.size(); i != e; ++i) { 630becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // L_foo$stub: 631becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling OutStreamer.EmitLabel(Stubs[i].first); 632becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling // .long _foo 633cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutStreamer.EmitValue(MCSymbolRefExpr:: 634cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling Create(Stubs[i].second.getPointer(), 635cebae36f57456fe6b0e13726acd1e0250654f02dBill Wendling OutContext), 636becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling 4/*size*/, 0/*addrspace*/); 637becd83e3f4eb996f8e43189ce482267b3b8351a8Bill Wendling } 638cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling 639cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling Stubs.clear(); 640cf6f28d84af09b38e96307007cd93760a7ca42d7Bill Wendling OutStreamer.AddBlankLine(); 641ae94e594164b193236002516970aeec4c4574768Evan Cheng } 642ae94e594164b193236002516970aeec4c4574768Evan Cheng 643a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // Funny Darwin hack: This flag tells the linker that no global symbols 644a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // contain code that falls through to other global symbols (e.g. the obvious 645a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // implementation of multiple entry points). If this doesn't occur, the 646a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // linker can safely perform dead code stripping. Since LLVM never 647a8e2989ece6dc46df59b0768184028257f913843Evan Cheng // generates code that does this, it is always safe to set. 648a5ad93a10a5435f21090b09edb6b3a7e44967648Chris Lattner OutStreamer.EmitAssemblerFlag(MCAF_SubsectionsViaSymbols); 649b01c4bbb4573e0007444e218b683840e4519e0c8Rafael Espindola } 6507bc59bc3952ad7842b1e079753deb32217a768a3Rafael Espindola} 6510bd89712c03c59ea43ce37763685e7f7c0bdd977Anton Korobeynikov 65297f06937449c593a248dbbb1365e6ae408fb9decChris Lattner//===----------------------------------------------------------------------===// 653def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Helper routines for EmitStartOfAsmFile() and EmitEndOfAsmFile() 654def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// FIXME: 655def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// The following seem like one-off assembler flags, but they actually need 656fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach// to appear in the .ARM.attributes section in ELF. 657def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim// Instead of subclassing the MCELFStreamer, we do the work here. 658def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 659def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kimvoid ARMAsmPrinter::emitAttributes() { 660fa7fb64fad0e46e7329e4ba84a1edec5e979c31aJim Grosbach 66117b443df4368acfad853d09858c033c45c468d5cJason W Kim emitARMAttributeSection(); 66217b443df4368acfad853d09858c033c45c468d5cJason W Kim 663728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* GAS expect .fpu to be emitted, regardless of VFP build attribute */ 664728ff0db783152ed4f21f7746bd7874b49708172Renato Golin bool emitFPU = false; 665cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttributeEmitter *AttrEmitter; 666728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (OutStreamer.hasRawTextSupport()) { 667cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new AsmAttributeEmitter(OutStreamer); 668728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = true; 669728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else { 670cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MCObjectStreamer &O = static_cast<MCObjectStreamer&>(OutStreamer); 671cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter = new ObjectAttributeEmitter(O); 672cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 673cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 674cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->MaybeSwitchVendor("aeabi"); 675cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 676def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim std::string CPUString = Subtarget->getCPUString(); 677f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 678f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (CPUString == "cortex-a8" || 679f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Subtarget->isCortexA8()) { 680c046d64f1b5f19cb06616e519a45bc4b0693f9d3Jason W Kim AttrEmitter->EmitTextAttribute(ARMBuildAttrs::CPU_name, "cortex-a8"); 681f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7); 682f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile, 683f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::ApplicationProfile); 684f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 685f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 686f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 687f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowThumb32); 688f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Fixme: figure out when this is emitted. 689f009a961caa75465999ef3bc764984d97a7da331Jason W Kim //AttrEmitter->EmitAttribute(ARMBuildAttrs::WMMX_arch, 690f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // ARMBuildAttrs::AllowWMMXv1); 691f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // 692f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 693f009a961caa75465999ef3bc764984d97a7da331Jason W Kim /// ADD additional Else-cases here! 694b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola } else if (CPUString == "xscale") { 695b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TEJ); 696b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 697b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 698b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 699b8adb8af0fa9d1405fcf2edb95f4b1b8d1904716Rafael Espindola ARMBuildAttrs::Allowed); 700f009a961caa75465999ef3bc764984d97a7da331Jason W Kim } else if (CPUString == "generic") { 7017179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen // FIXME: Why these defaults? 7027179d1e5c0acfbb0980eaf85f266cd8981dbd12dDale Johannesen AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T); 703f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, 704f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 705f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, 706f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 707cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola } 708def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 709e89a05337a9946040251a5f19165c41b9a1a7b27Renato Golin if (Subtarget->hasNEON() && emitFPU) { 710728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* NEON is not exactly a VFP architecture, but GAS emit one of 711728ff0db783152ed4f21f7746bd7874b49708172Renato Golin * neon/vfpv3/vfpv2 for .fpu parameters */ 712728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::Advanced_SIMD_arch, "neon"); 713728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* If emitted for NEON, omit from VFP below, since you can have both 714728ff0db783152ed4f21f7746bd7874b49708172Renato Golin * NEON and VFP in build attributes but only one .fpu */ 715728ff0db783152ed4f21f7746bd7874b49708172Renato Golin emitFPU = false; 716728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 717728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 718728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv3 + .fpu */ 719728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (Subtarget->hasVFP3()) { 720728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 721728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::AllowFPv3A); 722728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 723728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv3"); 724728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 725728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* VFPv2 + .fpu */ 726728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } else if (Subtarget->hasVFP2()) { 727f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::VFP_arch, 728f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowFPv2); 729728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (emitFPU) 730728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitTextAttribute(ARMBuildAttrs::VFP_arch, "vfpv2"); 731728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 732728ff0db783152ed4f21f7746bd7874b49708172Renato Golin 733728ff0db783152ed4f21f7746bd7874b49708172Renato Golin /* TODO: ARMBuildAttrs::Allowed is not completely accurate, 734375db7f39af8da118f3947d24ea91967c4a6b526Cameron Zwarich * since NEON can have 1 (allowed) or 2 (MAC operations) */ 735728ff0db783152ed4f21f7746bd7874b49708172Renato Golin if (Subtarget->hasNEON()) { 736728ff0db783152ed4f21f7746bd7874b49708172Renato Golin AttrEmitter->EmitAttribute(ARMBuildAttrs::Advanced_SIMD_arch, 737728ff0db783152ed4f21f7746bd7874b49708172Renato Golin ARMBuildAttrs::Allowed); 738728ff0db783152ed4f21f7746bd7874b49708172Renato Golin } 739def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 740def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Signal various FP modes. 741def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim if (!UnsafeFPMath) { 742f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_denormal, 743f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 744f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_exceptions, 745f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 746def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 747def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 748def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim if (NoInfsFPMath && NoNaNsFPMath) 749f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 750f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::Allowed); 751def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim else 752f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_FP_number_model, 753f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ARMBuildAttrs::AllowIEE754); 754def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 755f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // FIXME: add more flags to ARMBuildAttrs.h 756def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // 8-bytes alignment stuff. 757cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_needed, 1); 758cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_align8_preserved, 1); 759def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 760def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // Hard float. Use both S and D registers and conform to AAPCS-VFP. 761def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim if (Subtarget->isAAPCS_ABI() && FloatABIType == FloatABI::Hard) { 762cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_HardFP_use, 3); 763cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->EmitAttribute(ARMBuildAttrs::ABI_VFP_args, 1); 764def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim } 765def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim // FIXME: Should we signal R9 usage? 766cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 767f009a961caa75465999ef3bc764984d97a7da331Jason W Kim if (Subtarget->hasDivide()) 768f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AttrEmitter->EmitAttribute(ARMBuildAttrs::DIV_use, 1); 769cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 770cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola AttrEmitter->Finish(); 771cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola delete AttrEmitter; 772def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim} 773def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 77417b443df4368acfad853d09858c033c45c468d5cJason W Kimvoid ARMAsmPrinter::emitARMAttributeSection() { 77517b443df4368acfad853d09858c033c45c468d5cJason W Kim // <format-version> 77617b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <section-length> "vendor-name" 77717b443df4368acfad853d09858c033c45c468d5cJason W Kim // [ <file-tag> <size> <attribute>* 77817b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <section-tag> <size> <section-number>* 0 <attribute>* 77917b443df4368acfad853d09858c033c45c468d5cJason W Kim // | <symbol-tag> <size> <symbol-number>* 0 <attribute>* 78017b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]+ 78117b443df4368acfad853d09858c033c45c468d5cJason W Kim // ]* 78217b443df4368acfad853d09858c033c45c468d5cJason W Kim 78317b443df4368acfad853d09858c033c45c468d5cJason W Kim if (OutStreamer.hasRawTextSupport()) 78417b443df4368acfad853d09858c033c45c468d5cJason W Kim return; 78517b443df4368acfad853d09858c033c45c468d5cJason W Kim 78617b443df4368acfad853d09858c033c45c468d5cJason W Kim const ARMElfTargetObjectFile &TLOFELF = 78717b443df4368acfad853d09858c033c45c468d5cJason W Kim static_cast<const ARMElfTargetObjectFile &> 78817b443df4368acfad853d09858c033c45c468d5cJason W Kim (getObjFileLowering()); 78917b443df4368acfad853d09858c033c45c468d5cJason W Kim 79017b443df4368acfad853d09858c033c45c468d5cJason W Kim OutStreamer.SwitchSection(TLOFELF.getAttributesSection()); 791def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim 792cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Format version 793cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola OutStreamer.EmitIntValue(0x41, 1); 79417b443df4368acfad853d09858c033c45c468d5cJason W Kim} 79517b443df4368acfad853d09858c033c45c468d5cJason W Kim 796def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim//===----------------------------------------------------------------------===// 79797f06937449c593a248dbbb1365e6ae408fb9decChris Lattner 798988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbachstatic MCSymbol *getPICLabel(const char *Prefix, unsigned FunctionNumber, 799988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach unsigned LabelId, MCContext &Ctx) { 800988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 801988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach MCSymbol *Label = Ctx.GetOrCreateSymbol(Twine(Prefix) 802988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach + "PC" + Twine(FunctionNumber) + "_" + Twine(LabelId)); 803988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach return Label; 804988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach} 805988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach 8062c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbachstatic MCSymbolRefExpr::VariantKind 8072c4d5125c708bb35140fc2a40b02beb1add101dbJim GrosbachgetModifierVariantKind(ARMCP::ARMCPModifier Modifier) { 8082c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach switch (Modifier) { 8092c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach default: llvm_unreachable("Unknown modifier!"); 8102c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::no_modifier: return MCSymbolRefExpr::VK_None; 8112c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TLSGD: return MCSymbolRefExpr::VK_ARM_TLSGD; 8122c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::TPOFF: return MCSymbolRefExpr::VK_ARM_TPOFF; 8132c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTTPOFF: return MCSymbolRefExpr::VK_ARM_GOTTPOFF; 8142c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOT: return MCSymbolRefExpr::VK_ARM_GOT; 8152c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach case ARMCP::GOTOFF: return MCSymbolRefExpr::VK_ARM_GOTOFF; 8162c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach } 8172c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach return MCSymbolRefExpr::VK_None; 8182c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach} 8192c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 8205de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan ChengMCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV) { 8215de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng bool isIndirect = Subtarget->isTargetDarwin() && 8225de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng Subtarget->GVIsIndirectSymbol(GV, TM.getRelocationModel()); 8235de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (!isIndirect) 8245de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return Mang->getSymbol(GV); 8255de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8265de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // FIXME: Remove this when Darwin transition to @GOT like syntax. 8275de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *MCSym = GetSymbolWithGlobalValueBase(GV, "$non_lazy_ptr"); 8285de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoMachO &MMIMachO = 8295de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMI->getObjFileInfo<MachineModuleInfoMachO>(); 8305de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MachineModuleInfoImpl::StubValueTy &StubSym = 8315de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng GV->hasHiddenVisibility() ? MMIMachO.getHiddenGVStubEntry(MCSym) : 8325de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MMIMachO.getGVStubEntry(MCSym); 8335de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng if (StubSym.getPointer() == 0) 8345de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubSym = MachineModuleInfoImpl:: 8355de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng StubValueTy(Mang->getSymbol(GV), !GV->hasInternalLinkage()); 8365de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return MCSym; 8375de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng} 8385de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 8395df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbachvoid ARMAsmPrinter:: 8405df08d8f55f47aafc671c358d971dbcc10dfdeefJim GrosbachEmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { 8415df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach int Size = TM.getTargetData()->getTypeAllocSize(MCPV->getType()); 8425df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8435df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV); 8445df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8457c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSymbol *MCSym; 8465df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach if (ACPV->isLSDA()) { 8477c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach SmallString<128> Str; 8487c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach raw_svector_ostream OS(Str); 8495df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach OS << MAI->getPrivateGlobalPrefix() << "_LSDA_" << getFunctionNumber(); 8507c7ddb21c3cc65ea08de8f90bb97cbdead3173f8Jim Grosbach MCSym = OutContext.GetOrCreateSymbol(OS.str()); 8515df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isBlockAddress()) { 8525bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const BlockAddress *BA = 8535bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling cast<ARMConstantPoolConstant>(ACPV)->getBlockAddress(); 8545bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling MCSym = GetBlockAddressSymbol(BA); 8555df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else if (ACPV->isGlobalValue()) { 8565bb779976a7d8e48408051ec2289fe69206dc072Bill Wendling const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV(); 8575de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSym = GetARMGVSymbol(GV); 858e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling } else if (ACPV->isMachineBasicBlock()) { 859e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling const MachineBasicBlock *MBB = ACPV->getMBB(); 860e00897c5a91febe90ba21082fc636be892bf9bf1Bill Wendling MCSym = MBB->getSymbol(); 8615df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } else { 8625df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach assert(ACPV->isExtSymbol() && "unrecognized constant pool value"); 863fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling const char *Sym = cast<ARMConstantPoolSymbol>(ACPV)->getSymbol(); 864fe31e673506ef9a1080eaa684b43b34178c6f447Bill Wendling MCSym = GetExternalSymbolSymbol(Sym); 8655df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 8665df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 8675df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach // Create an MCSymbol for the reference. 8682c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *Expr = 8692c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbolRefExpr::Create(MCSym, getModifierVariantKind(ACPV->getModifier()), 8702c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 8712c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach 8722c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->getPCAdjustment()) { 8732c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *PCLabel = getPICLabel(MAI->getPrivateGlobalPrefix(), 8742c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach getFunctionNumber(), 8752c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach ACPV->getLabelId(), 8762c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 8772c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *PCRelExpr = MCSymbolRefExpr::Create(PCLabel, OutContext); 8782c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = 8792c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCBinaryExpr::CreateAdd(PCRelExpr, 8802c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCConstantExpr::Create(ACPV->getPCAdjustment(), 8812c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext), 8822c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutContext); 8832c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach if (ACPV->mustAddCurrentAddress()) { 8842c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // We want "(<expr> - .)", but MC doesn't have a concept of the '.' 8852c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach // label, so just emit a local label end reference that instead. 8862c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach MCSymbol *DotSym = OutContext.CreateTempSymbol(); 8872c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitLabel(DotSym); 8882c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach const MCExpr *DotExpr = MCSymbolRefExpr::Create(DotSym, OutContext); 8892c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach PCRelExpr = MCBinaryExpr::CreateSub(PCRelExpr, DotExpr, OutContext); 8905df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 8912c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, PCRelExpr, OutContext); 8925df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach } 8932c4d5125c708bb35140fc2a40b02beb1add101dbJim Grosbach OutStreamer.EmitValue(Expr, Size); 8945df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach} 8955df08d8f55f47aafc671c358d971dbcc10dfdeefJim Grosbach 896a2244cb38781e596110023399c7902b5ee5087feJim Grosbachvoid ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { 897a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned Opcode = MI->getOpcode(); 898a2244cb38781e596110023399c7902b5ee5087feJim Grosbach int OpNum = 1; 899a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (Opcode == ARM::BR_JTadd) 900a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 2; 901a2244cb38781e596110023399c7902b5ee5087feJim Grosbach else if (Opcode == ARM::BR_JTm) 902a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OpNum = 3; 903a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 904a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 905a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 906a2244cb38781e596110023399c7902b5ee5087feJim Grosbach unsigned JTI = MO1.getIndex(); 907a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 908a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit a label for the jump table. 909a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 910a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitLabel(JTISymbol); 911a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 912a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Emit each entry of the table. 913a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 914a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 915a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 916a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 917a2244cb38781e596110023399c7902b5ee5087feJim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 918a2244cb38781e596110023399c7902b5ee5087feJim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 919a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // Construct an MCExpr for the entry. We want a value of the form: 920a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // (BasicBlockAddr - TableBeginAddr) 921a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // 922a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // For example, a table with entries jumping to basic blocks BB0 and BB1 923a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // would look like: 924a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // LJTI_0_0: 925a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB0 - LJTI_0_0) 926a2244cb38781e596110023399c7902b5ee5087feJim Grosbach // .word (LBB1 - LJTI_0_0) 927a2244cb38781e596110023399c7902b5ee5087feJim Grosbach const MCExpr *Expr = MCSymbolRefExpr::Create(MBB->getSymbol(), OutContext); 928a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 929a2244cb38781e596110023399c7902b5ee5087feJim Grosbach if (TM.getRelocationModel() == Reloc::PIC_) 930a2244cb38781e596110023399c7902b5ee5087feJim Grosbach Expr = MCBinaryExpr::CreateSub(Expr, MCSymbolRefExpr::Create(JTISymbol, 931a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext), 932a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutContext); 933de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // If we're generating a table of Thumb addresses in static relocation 934de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach // model, we need to add one to keep interworking correctly. 935de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach else if (AFI->isThumbFunction()) 936de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach Expr = MCBinaryExpr::CreateAdd(Expr, MCConstantExpr::Create(1,OutContext), 937de98273189700c1c66f06bcfbcc481cf481a8deeJim Grosbach OutContext); 938a2244cb38781e596110023399c7902b5ee5087feJim Grosbach OutStreamer.EmitValue(Expr, 4); 939a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 940a2244cb38781e596110023399c7902b5ee5087feJim Grosbach} 941a2244cb38781e596110023399c7902b5ee5087feJim Grosbach 942882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbachvoid ARMAsmPrinter::EmitJump2Table(const MachineInstr *MI) { 943882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned Opcode = MI->getOpcode(); 944882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach int OpNum = (Opcode == ARM::t2BR_JT) ? 2 : 1; 945882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO1 = MI->getOperand(OpNum); 946882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id 947882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach unsigned JTI = MO1.getIndex(); 948882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 949882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit a label for the jump table. 950882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); 951882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitLabel(JTISymbol); 952882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 953882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Emit each entry of the table. 954882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); 955882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineJumpTableEntry> &JT = MJTI->getJumpTables(); 956882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach const std::vector<MachineBasicBlock*> &JTBBs = JT[JTI].MBBs; 957205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach unsigned OffsetWidth = 4; 958d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach if (MI->getOpcode() == ARM::t2TBB_JT) 959205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 1; 960d092a87ba3f905a6801a0bdf816267329cf0391cJim Grosbach else if (MI->getOpcode() == ARM::t2TBH_JT) 961205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OffsetWidth = 2; 962882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 963882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { 964882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MachineBasicBlock *MBB = JTBBs[i]; 965205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::Create(MBB->getSymbol(), 966205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 967882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // If this isn't a TBB or TBH, the entries are direct branch instructions. 968205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach if (OffsetWidth == 4) { 969882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst BrInst; 970882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach BrInst.setOpcode(ARM::t2B); 971205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach BrInst.addOperand(MCOperand::CreateExpr(MBBSymbolExpr)); 97251f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 97351f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson BrInst.addOperand(MCOperand::CreateReg(0)); 974882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(BrInst); 975882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach continue; 976882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 977882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Otherwise it's an offset from the dispatch instruction. Construct an 978205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // MCExpr for the entry. We want a value of the form: 979205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // (BasicBlockAddr - TableBeginAddr) / 2 980205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // 981205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // For example, a TBB table with entries jumping to basic blocks BB0 and BB1 982205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // would look like: 983205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // LJTI_0_0: 984205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB0 - LJTI_0_0) / 2 985205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach // .byte (LBB1 - LJTI_0_0) / 2 986205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach const MCExpr *Expr = 987205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCBinaryExpr::CreateSub(MBBSymbolExpr, 988205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach MCSymbolRefExpr::Create(JTISymbol, OutContext), 989205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 990205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach Expr = MCBinaryExpr::CreateDiv(Expr, MCConstantExpr::Create(2, OutContext), 991205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutContext); 992205a5fa8e4233cdcdc71152c0f8c4334ea9ce2ebJim Grosbach OutStreamer.EmitValue(Expr, OffsetWidth); 993882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 994882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach} 995882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach 9962d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbachvoid ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI, 9972d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_ostream &OS) { 9982d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach unsigned NOps = MI->getNumOperands(); 9992d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(NOps==4); 10002d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: "; 10012d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // cast away const; DIetc do not take const operands for some reason. 10022d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata())); 10032d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << V.getName(); 10042d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << " <- "; 10052d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach // Frame address. Currently handles register +- offset only. 10062d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm()); 10072d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS); 10082d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << ']'; 10092d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OS << "+"; 10102d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach printOperand(MI, NOps-2, OS); 10112d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach} 10122d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach 101340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbachstatic void populateADROperands(MCInst &Inst, unsigned Dest, 101440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCSymbol *Label, 101540edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach unsigned pred, unsigned ccreg, 101640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MCContext &Ctx) { 101740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, Ctx); 101840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(Dest)); 101940edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 102040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach // Add predicate operands. 102140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateImm(pred)); 102240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach Inst.addOperand(MCOperand::CreateReg(ccreg)); 102340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach} 102440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach 10254d7286083537833880901953d29786cf831affc4Anton Korobeynikovvoid ARMAsmPrinter::EmitPatchedInstruction(const MachineInstr *MI, 10264d7286083537833880901953d29786cf831affc4Anton Korobeynikov unsigned Opcode) { 10274d7286083537833880901953d29786cf831affc4Anton Korobeynikov MCInst TmpInst; 10284d7286083537833880901953d29786cf831affc4Anton Korobeynikov 10294d7286083537833880901953d29786cf831affc4Anton Korobeynikov // Emit the instruction as usual, just patch the opcode. 10304d7286083537833880901953d29786cf831affc4Anton Korobeynikov LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 10314d7286083537833880901953d29786cf831affc4Anton Korobeynikov TmpInst.setOpcode(Opcode); 10324d7286083537833880901953d29786cf831affc4Anton Korobeynikov OutStreamer.EmitInstruction(TmpInst); 10334d7286083537833880901953d29786cf831affc4Anton Korobeynikov} 10344d7286083537833880901953d29786cf831affc4Anton Korobeynikov 103557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovvoid ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { 103657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getFlag(MachineInstr::FrameSetup) && 103757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only instruction which are involved into frame setup code are allowed"); 103857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 103957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const MachineFunction &MF = *MI->getParent()->getParent(); 104057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov const TargetRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo(); 1041b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const ARMFunctionInfo &AFI = *MF.getInfo<ARMFunctionInfo>(); 104257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 104357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned FramePtr = RegInfo->getFrameRegister(MF); 104457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov unsigned Opc = MI->getOpcode(); 10457a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned SrcReg, DstReg; 10467a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 10473daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov if (Opc == ARM::tPUSH || Opc == ARM::tLDRpci) { 10483daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // Two special cases: 10493daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 1) tPUSH does not have src/dst regs. 10503daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // 2) for Thumb1 code we sometimes materialize the constant via constpool 10513daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // load. Yes, this is pretty fragile, but for now I don't see better 10523daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov // way... :( 10537a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov SrcReg = DstReg = ARM::SP; 10547a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } else { 10553daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov SrcReg = MI->getOperand(1).getReg(); 10567a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov DstReg = MI->getOperand(0).getReg(); 10577a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov } 105857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 105957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Try to figure out the unwinding opcode out of src / dst regs. 106057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (MI->getDesc().mayStore()) { 106157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Register saves. 106257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(DstReg == ARM::SP && 106357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a destination reg is supported"); 106457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 106557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov SmallVector<unsigned, 4> RegList; 10667a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Skip src & dst reg, and pred ops. 10677a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned StartOp = 2 + 2; 10687a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Use all the operands. 10697a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov unsigned NumOffset = 0; 10707a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov 107157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 107257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 107357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 107457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(0 && "Unsupported opcode for unwinding information"); 10757a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tPUSH: 10767a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov // Special case here: no src & dst reg, but two extra imp ops. 10777a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov StartOp = 2; NumOffset = 2; 107857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::STMDB_UPD: 10797a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::t2STMDB_UPD: 108057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::VSTMDDB_UPD: 108157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(SrcReg == ARM::SP && 108257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 10837a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov for (unsigned i = StartOp, NumOps = MI->getNumOperands() - NumOffset; 10847a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov i != NumOps; ++i) 108557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(MI->getOperand(i).getReg()); 108657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 1087793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_IMM: 1088793e79601f0fd68ba082fa2016018f80b2379460Owen Anderson case ARM::STR_PRE_REG: 108957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(MI->getOperand(2).getReg() == ARM::SP && 109057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov "Only stack pointer as a source reg is supported"); 109157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov RegList.push_back(SrcReg); 109257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 109357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 109457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitRegSave(RegList, Opc == ARM::VSTMDDB_UPD); 109557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 109657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // Changes of stack / frame pointer. 109757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (SrcReg == ARM::SP) { 109857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov int64_t Offset = 0; 109957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov switch (Opc) { 110057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov default: 110157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 110257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(0 && "Unsupported opcode for unwinding information"); 110357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::MOVr: 110457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = 0; 110557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 110657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::ADDri: 110757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov Offset = -MI->getOperand(2).getImm(); 110857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 110957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov case ARM::SUBri: 1110f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm(); 111157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov break; 11127a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tSUBspi: 1113f6fd90910a552ad9883f031350ae517e26dfdb44Jim Grosbach Offset = MI->getOperand(2).getImm()*4; 11147a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 11157a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDspi: 11167a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov case ARM::tADDrSPi: 11177a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov Offset = -MI->getOperand(2).getImm()*4; 11187a764168b9b3b3ebeaea224ed8c6ef93381c74d4Anton Korobeynikov break; 1119b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov case ARM::tLDRpci: { 1120b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Grab the constpool index and check, whether it corresponds to 1121b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // original or cloned constpool entry. 1122b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov unsigned CPI = MI->getOperand(1).getIndex(); 1123b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPool *MCP = MF.getConstantPool(); 1124b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov if (CPI >= MCP->getConstants().size()) 1125b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov CPI = AFI.getOriginalCPIdx(CPI); 1126b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(CPI != -1U && "Invalid constpool index"); 1127b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov 1128b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // Derive the actual offset. 1129b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov const MachineConstantPoolEntry &CPE = MCP->getConstants()[CPI]; 1130b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov assert(!CPE.isMachineConstantPoolEntry() && "Invalid constpool entry"); 1131b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov // FIXME: Check for user, it should be "add" instruction! 1132b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov Offset = -cast<ConstantInt>(CPE.Val.ConstVal)->getSExtValue(); 11333daccd82d3151fa3629de430b55698a81084fc9eAnton Korobeynikov break; 113457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 1135b3fcc06d2124f9d01e3b48097b44cc141309908eAnton Korobeynikov } 113657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 113757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov if (DstReg == FramePtr && FramePtr != ARM::SP) 1138e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Set-up of the frame pointer. Positive values correspond to "add" 1139e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // instruction. 1140e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov OutStreamer.EmitSetFP(FramePtr, ARM::SP, -Offset); 114157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else if (DstReg == ARM::SP) { 1142e516379d2a2fd1ad7583b2fa289051da517d8a42Anton Korobeynikov // Change of SP by an offset. Positive values correspond to "sub" 114357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // instruction. 114457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov OutStreamer.EmitPad(Offset); 114557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else { 114657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 114757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(0 && "Unsupported opcode for unwinding information"); 114857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 114957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } else if (DstReg == ARM::SP) { 115057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov // FIXME: .movsp goes here 115157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 115257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(0 && "Unsupported opcode for unwinding information"); 115357caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 115457caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov else { 115557caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov MI->dump(); 115657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov assert(0 && "Unsupported opcode for unwinding information"); 115757caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 115857caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov } 115957caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov} 116057caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 116157caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikovextern cl::opt<bool> EnableARMEHABI; 116257caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 116353e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// Simple pseudo-instructions have their lowering (with expansion to real 116453e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach// instructions) auto-generated. 116553e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach#include "ARMGenMCPseudoLowering.inc" 116653e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach 1167b454cdaebc6e4543099955ce043258c3903b1a0eJim Grosbachvoid ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { 11685aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach // Emit unwinding stuff for frame-related instructions 11695aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach if (EnableARMEHABI && MI->getFlag(MachineInstr::FrameSetup)) 11705aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach EmitUnwindingInstruction(MI); 11715aa29a0cffc499331a2a24a03eb55643dace1d8dJim Grosbach 117253e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Do any auto-generated pseudo lowerings. 117353e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach if (emitPseudoExpansionLowering(OutStreamer, MI)) 117416f9924000a8d513353cd5c69d1d6307016fe280Jim Grosbach return; 11759702e6075c3e4cd508fd787e3bf6b3e64eb029abJim Grosbach 11763be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick assert(!convertAddSubFlagsOpcode(MI->getOpcode()) && 11773be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick "Pseudo flag setting opcode should be expanded early"); 11783be654f8082dcbdff011a6716a7c90486e28fc9eAndrew Trick 117953e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach // Check for manual lowerings. 118053e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach unsigned Opc = MI->getOpcode(); 118153e3fc463e3d9ee840510b08ebd6db17694fa2c5Jim Grosbach switch (Opc) { 1182112f2390e19774a54c2dd50391b99fb617da0973Chris Lattner case ARM::t2MOVi32imm: assert(0 && "Should be lowered by thumb2it pass"); 11832d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach case ARM::DBG_VALUE: { 11842d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach if (isVerbose() && OutStreamer.hasRawTextSupport()) { 11852d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach SmallString<128> TmpStr; 11862d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach raw_svector_ostream OS(TmpStr); 11872d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach PrintDebugValueComment(MI, OS); 11882d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach OutStreamer.EmitRawText(StringRef(OS.str())); 11892d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 11902d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach return; 11912d0f53bd6348be3b28ffa53c37e3079bb33dd170Jim Grosbach } 119240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::LEApcrel: 1193d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrel: 119440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach case ARM::t2LEApcrel: { 1195dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach // FIXME: Need to also handle globals and externals 1196dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach MCInst TmpInst; 1197d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrel ? ARM::t2ADR 1198d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR 1199d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 120040edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 120140edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetCPISymbol(MI->getOperand(1).getIndex()), 120240edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm(), MI->getOperand(3).getReg(), 120340edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 1204dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1205dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach return; 1206dff84b03258514463ede477af38f1246b95b0cd0Jim Grosbach } 1207d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::LEApcrelJT: 1208d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::tLEApcrelJT: 1209d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach case ARM::t2LEApcrelJT: { 12105d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach MCInst TmpInst; 1211d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach TmpInst.setOpcode(MI->getOpcode() == ARM::t2LEApcrelJT ? ARM::t2ADR 1212d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR 1213d40963c4065432ec7e47879d3ca665a54ee903b6Jim Grosbach : ARM::ADR)); 121440edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach populateADROperands(TmpInst, MI->getOperand(0).getReg(), 121540edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(), 121640edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(2).getImm()), 121740edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach MI->getOperand(3).getImm(), MI->getOperand(4).getReg(), 121840edf73a62bf025eba4391e806fb1ddada662355Jim Grosbach OutContext); 12195d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach OutStreamer.EmitInstruction(TmpInst); 12205d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach return; 12215d14f9be7ba64162c7b996f36d419b11d8cdbe9aJim Grosbach } 1222f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // Darwin call instructions are just normal call instructions with different 1223f859a545de30bbc848d1b0896b7ef8fa84fd631bJim Grosbach // clobber semantics (they clobber R9). 1224a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BXr9_CALL: 1225a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BX_CALL: { 1226a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1227a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1228a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1229a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1230a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1231a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1232a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1233a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1234a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1235a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1236a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1237a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1238a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1239a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1240a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::BX); 1241a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1242a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1243a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1244a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1245a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1246ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich case ARM::tBXr9_CALL: 1247ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich case ARM::tBX_CALL: { 1248ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1249ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1250ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tMOVr); 1251ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1252ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 125363b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Add predicate operands. 125463b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 125563b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1256ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1257ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1258ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich { 1259ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich MCInst TmpInst; 1260ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.setOpcode(ARM::tBX); 1261ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1262ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich // Add predicate operands. 1263ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1264ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich TmpInst.addOperand(MCOperand::CreateReg(0)); 1265ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich OutStreamer.EmitInstruction(TmpInst); 1266ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1267ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich return; 1268ad70f6d2b1eacdc2c85e7cfec24e4c470325ef4eCameron Zwarich } 1269a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BMOVPCRXr9_CALL: 1270a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach case ARM::BMOVPCRX_CALL: { 1271a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1272a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1273a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1274a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::LR)); 1275a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1276a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1277a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1278a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1279a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1280a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1281a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1282a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1283a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach { 1284a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach MCInst TmpInst; 1285a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.setOpcode(ARM::MOVr); 1286a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1287a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1288a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add predicate operands. 1289a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1290a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1291a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1292a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1293a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1294a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 1295a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach return; 1296a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach } 129753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVi16_ga_pcrel: 129853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVi16_ga_pcrel: { 12995de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 130053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVi16_ga_pcrel? ARM::MOVi16 : ARM::t2MOVi16); 13015de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 13025de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 130353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(1).getTargetFlags(); 130453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_LO16_NONLAZY_PIC; 13055de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(1).getGlobal(); 13065de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 13075de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 130853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 130953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 131053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 131153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(2).getImm(), OutContext); 131253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 131353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVi16_ga_pcrel) ? 8 : 4; 131453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 131553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateLower16(MCBinaryExpr::CreateSub(GVSymExpr, 131653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 131753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 13185de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 131953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 132053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 132153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateLower16(GVSymExpr, OutContext); 132253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 132353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 132453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng 13255de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 13265de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13275de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13285de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 13295de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13305de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13315de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 13325de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 133353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::MOVTi16_ga_pcrel: 133453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng case ARM::t2MOVTi16_ga_pcrel: { 13355de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCInst TmpInst; 133653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.setOpcode(Opc == ARM::MOVTi16_ga_pcrel 133753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ? ARM::MOVTi16 : ARM::t2MOVTi16); 13385de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 13395de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 13405de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng 134153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned TF = MI->getOperand(2).getTargetFlags(); 134253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng bool isPIC = TF == ARMII::MO_HI16_NONLAZY_PIC; 13435de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const GlobalValue *GV = MI->getOperand(2).getGlobal(); 13445de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng MCSymbol *GVSym = GetARMGVSymbol(GV); 13455de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); 134653519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng if (isPIC) { 134753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCSymbol *LabelSym = getPICLabel(MAI->getPrivateGlobalPrefix(), 134853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng getFunctionNumber(), 134953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MI->getOperand(3).getImm(), OutContext); 135053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); 135153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng unsigned PCAdj = (Opc == ARM::MOVTi16_ga_pcrel) ? 8 : 4; 135253519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *PCRelExpr = 135353519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng ARMMCExpr::CreateUpper16(MCBinaryExpr::CreateSub(GVSymExpr, 135453519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCBinaryExpr::CreateAdd(LabelSymExpr, 135553519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng MCConstantExpr::Create(PCAdj, OutContext), 13565de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutContext), OutContext), OutContext); 135753519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); 135853519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } else { 135953519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng const MCExpr *RefExpr= ARMMCExpr::CreateUpper16(GVSymExpr, OutContext); 136053519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng TmpInst.addOperand(MCOperand::CreateExpr(RefExpr)); 136153519f015e3e84e9f57b677cc8724805a6009b73Evan Cheng } 13625de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add predicate operands. 13635de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 13645de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13655de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng // Add 's' bit operand (always reg0 for this) 13665de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng TmpInst.addOperand(MCOperand::CreateReg(0)); 13675de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng OutStreamer.EmitInstruction(TmpInst); 13685de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng return; 13695de5d4b6d0eb3fd379fa571d82f6fa764460b3b8Evan Cheng } 1370fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach case ARM::tPICADD: { 1371fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1372fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // LPC0: 1373fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // add r0, pc 1374fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // This adds the address of LPC0 to r0. 1375fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1376fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Emit the label. 1377988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1378988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1379988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1380fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach 1381fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Form and emit the add. 1382fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach MCInst AddInst; 1383fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.setOpcode(ARM::tADDhirr); 1384fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1385fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1386fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1387fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach // Add predicate operands. 1388fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1389fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1390fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach OutStreamer.EmitInstruction(AddInst); 1391fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach return; 1392fbd1873041783f388de1c36c5d46c82a9ad46ef3Jim Grosbach } 1393a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::PICADD: { 13944d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This is a pseudo op for a label + instruction sequence, which looks like: 13954d1522234192704f45dfd2527c2913fa60be616eChris Lattner // LPC0: 13964d1522234192704f45dfd2527c2913fa60be616eChris Lattner // add r0, pc, r0 13974d1522234192704f45dfd2527c2913fa60be616eChris Lattner // This adds the address of LPC0 to r0. 1398b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 13994d1522234192704f45dfd2527c2913fa60be616eChris Lattner // Emit the label. 1400988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1401988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1402988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1403b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 1404f3f09527e6484143fcdef2ddfef0b2f016881e36Jim Grosbach // Form and emit the add. 14054d1522234192704f45dfd2527c2913fa60be616eChris Lattner MCInst AddInst; 14064d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.setOpcode(ARM::ADDrr); 14074d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 14084d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(ARM::PC)); 14094d1522234192704f45dfd2527c2913fa60be616eChris Lattner AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 14105b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add predicate operands. 14115b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 14125b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 14135b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach // Add 's' bit operand (always reg0 for this) 14145b46d62c4459dbfd56bb6ac650a271cd02365092Jim Grosbach AddInst.addOperand(MCOperand::CreateReg(0)); 1415850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(AddInst); 14164d1522234192704f45dfd2527c2913fa60be616eChris Lattner return; 1417b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach } 1418a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTR: 1419a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRB: 1420a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: 1421a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDR: 1422a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRB: 1423a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: 1424a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: 1425a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: { 1426b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // This is a pseudo op for a label + instruction sequence, which looks like: 1427b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // LPC0: 1428a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach // OP r0, [pc, r0] 1429b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // The LCP0 label is referenced by a constant pool entry in order to get 1430b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // a PC-relative address at the ldr instruction. 1431b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1432b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Emit the label. 1433988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutStreamer.EmitLabel(getPICLabel(MAI->getPrivateGlobalPrefix(), 1434988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach getFunctionNumber(), MI->getOperand(2).getImm(), 1435988ce097b7774ebc935ea539f3d88c2dcc3405b2Jim Grosbach OutContext)); 1436b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1437b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Form and emit the load 1438a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach unsigned Opcode; 1439a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach switch (MI->getOpcode()) { 1440a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach default: 1441a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach llvm_unreachable("Unexpected opcode!"); 14427e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTR: Opcode = ARM::STRrs; break; 14437e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach case ARM::PICSTRB: Opcode = ARM::STRBrs; break; 1444a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICSTRH: Opcode = ARM::STRH; break; 14453e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach case ARM::PICLDR: Opcode = ARM::LDRrs; break; 1446c1d30212e911d1e55ff6b25bffefb503708883c3Jim Grosbach case ARM::PICLDRB: Opcode = ARM::LDRBrs; break; 1447a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRH: Opcode = ARM::LDRH; break; 1448a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSB: Opcode = ARM::LDRSB; break; 1449a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach case ARM::PICLDRSH: Opcode = ARM::LDRSH; break; 1450a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach } 1451a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach MCInst LdStInst; 1452a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.setOpcode(Opcode); 1453a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 1454a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1455a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1456a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(0)); 1457b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach // Add predicate operands. 1458a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateImm(MI->getOperand(3).getImm())); 1459a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach LdStInst.addOperand(MCOperand::CreateReg(MI->getOperand(4).getReg())); 1460a28abbe24568d39414be7ccb7a1f659f40e487e2Jim Grosbach OutStreamer.EmitInstruction(LdStInst); 1461b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach 1462b74ca9d63104c94b800f2763a654d19f3eb30304Jim Grosbach return; 14634d1522234192704f45dfd2527c2913fa60be616eChris Lattner } 1464a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::CONSTPOOL_ENTRY: { 1465a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool 1466a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// in the function. The first operand is the ID# for this instruction, the 1467a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// second is the index into the MachineConstantPool that this is, the third 1468a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner /// is the size in bytes of this constant pool entry. 1469a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned LabelId = (unsigned)MI->getOperand(0).getImm(); 1470a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner unsigned CPIdx = (unsigned)MI->getOperand(1).getIndex(); 1471a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 1472a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitAlignment(2); 14731b46f433e02155daba8ed3b1269c86ce63c9713bChris Lattner OutStreamer.EmitLabel(GetCPISymbol(LabelId)); 1474a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner 1475a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPIdx]; 1476a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner if (MCPE.isMachineConstantPoolEntry()) 1477a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal); 1478a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner else 1479a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner EmitGlobalConstant(MCPE.Val.ConstVal); 1480b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 1481a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner return; 1482a70e644820db9c58f201bd27ed3c28f81261a0d9Chris Lattner } 1483882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach case ARM::t2BR_JT: { 1484882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1485882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach MCInst TmpInst; 14862a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 14875ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 14885ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 14895ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 14905ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 14915ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 14925ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 14935ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 14945ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 14955ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 14965ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 14975ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBB_JT: { 14985ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 14995ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 15005ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 15015ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBB); 15025ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15035ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15045ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 15055ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15065ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15075ca66696e734f963b613de51e3df3684395daf1cJim Grosbach OutStreamer.EmitInstruction(TmpInst); 15085ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 15095ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitJump2Table(MI); 15105ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Make sure the next instruction is 2-byte aligned. 15115ca66696e734f963b613de51e3df3684395daf1cJim Grosbach EmitAlignment(1); 15125ca66696e734f963b613de51e3df3684395daf1cJim Grosbach return; 15135ca66696e734f963b613de51e3df3684395daf1cJim Grosbach } 15145ca66696e734f963b613de51e3df3684395daf1cJim Grosbach case ARM::t2TBH_JT: { 15155ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 15165ca66696e734f963b613de51e3df3684395daf1cJim Grosbach MCInst TmpInst; 15175ca66696e734f963b613de51e3df3684395daf1cJim Grosbach 15185ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.setOpcode(ARM::t2TBH); 15195ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15205ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15215ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Add predicate operands. 15225ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15235ca66696e734f963b613de51e3df3684395daf1cJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1524882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 15255ca66696e734f963b613de51e3df3684395daf1cJim Grosbach // Output the data for the jump table itself 1526882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach EmitJump2Table(MI); 1527882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach return; 1528882ef2b76a09cdc39d38756fca71cf6cf25ae590Jim Grosbach } 1529f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach case ARM::tBR_JTr: 15302dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTr: { 15312dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 15322dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // mov pc, target 15332dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 15345ca66696e734f963b613de51e3df3684395daf1cJim Grosbach unsigned Opc = MI->getOpcode() == ARM::BR_JTr ? 15352a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach ARM::MOVr : ARM::tMOVr; 1536f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach TmpInst.setOpcode(Opc); 15372dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15382dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15392dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 15402dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15412dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1542a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach // Add 's' bit operand (always reg0 for this) 1543a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach if (Opc == ARM::MOVr) 1544a0d2c8a40f890345237abfa9cece16c517e1e280Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15452dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 15462dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 1547f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach // Make sure the Thumb jump table is 4-byte aligned. 15482a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach if (Opc == ARM::tMOVr) 1549f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach EmitAlignment(2); 1550f1aa47dc1aed018e2f70ffe7d32dba51e2ac45feJim Grosbach 15512dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 15522dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach EmitJumpTable(MI); 15532dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach return; 15542dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 15552dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach case ARM::BR_JTm: { 15562dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Lower and emit the instruction itself, then the jump table following it. 15572dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // ldr pc, target 15582dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 15592dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach if (MI->getOperand(1).getReg() == 0) { 15602dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // literal offset 15612dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 15622dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15632dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15642dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm())); 15652dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } else { 15662dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::LDRrs); 15672dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15682dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15692dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 15702dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 15712dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach } 15722dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Add predicate operands. 15732dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15742dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15752dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 15762dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach 15772dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach // Output the data for the jump table itself 1578a2244cb38781e596110023399c7902b5ee5087feJim Grosbach EmitJumpTable(MI); 1579a2244cb38781e596110023399c7902b5ee5087feJim Grosbach return; 1580a2244cb38781e596110023399c7902b5ee5087feJim Grosbach } 1581f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach case ARM::BR_JTadd: { 1582f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Lower and emit the instruction itself, then the jump table following it. 1583f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // add pc, target, idx 15842dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach MCInst TmpInst; 15852dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.setOpcode(ARM::ADDrr); 15862dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 15872dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); 15882dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); 1589f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add predicate operands. 15902dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 15912dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1592f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Add 's' bit operand (always reg0 for this) 15932dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 15942dc7768d73c9afa3a23b86ee7827bc8de426f459Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1595f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach 1596f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach // Output the data for the jump table itself 1597f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach EmitJumpTable(MI); 1598f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach return; 1599f8dabac6041b2a38307a5ab0beb330ededb7514bJim Grosbach } 16002e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::TRAP: { 16012e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 16022e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 16032e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 160478890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.long 0xe7ffdefe @ trap 1605b2dda4bd346fe9a2795f83f659c0e60191b2e6a0Jim Grosbach uint32_t Val = 0xe7ffdefeUL; 16062e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 16072e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 4); 16082e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 16092e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 16102e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 16112e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 16122e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach case ARM::tTRAP: { 16132e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // Non-Darwin binutils don't yet support the "trap" mnemonic. 16142e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach // FIXME: Remove this special case when they do. 16152e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach if (!Subtarget->isTargetDarwin()) { 161678890f41f404fad3663408edd4adf2e13c1e13b5Jim Grosbach //.short 57086 @ trap 1617c8ab9eb066f6d35880e3a24436baf21236c921caBenjamin Kramer uint16_t Val = 0xdefe; 16182e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.AddComment("trap"); 16192e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach OutStreamer.EmitIntValue(Val, 2); 16202e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach return; 16212e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 16222e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach break; 16232e6ae13bf6e09d844b76b0a12861d25be0842b03Jim Grosbach } 1624433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp: 1625433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach case ARM::t2Int_eh_sjlj_setjmp_nofp: 1626a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::tInt_eh_sjlj_setjmp: { 1627433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Two incoming args: GPR:$src, GPR:$val 1628433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // mov $val, pc 1629433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // adds $val, #7 1630433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // str $val, [$src, #4] 1631433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #0 1632433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // b 1f 1633433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // movs r0, #1 1634433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 1: 1635433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1636433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1637433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCSymbol *Label = GetARMSJLJEHLabel(); 1638433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1639433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 16402a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1641433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1642433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 164363b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach // Predicate. 164463b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 164563b46faeb8acae9b7e5f865b7417dc00b9b9dad3Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1646433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1647433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1648433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1649433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1650433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1651433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tADDi3); 1652433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1653433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // 's' bit operand 1654433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1655433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1656433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(7)); 1657433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1658433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1659433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1660433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1661433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1662433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1663433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1664f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tSTRi); 1665433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1666433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1667433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // The offset immediate is #4. The operand value is scaled by 4 for the 1668433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // tSTR instruction. 1669433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1670433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1671433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1672433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1673433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1674433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1675433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1676433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1677433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1678433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1679433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1680433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1681433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1682433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1683433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1684433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1685433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1686433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1687433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext); 1688433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1689433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tB); 1690433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr)); 169151f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 169251f6a7abf27fc92c3d8904c2334feab8b498e8e9Owen Anderson TmpInst.addOperand(MCOperand::CreateReg(0)); 1693433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1694433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1695433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach { 1696433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach MCInst TmpInst; 1697433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.setOpcode(ARM::tMOVi8); 1698433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1699433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::CPSR)); 1700433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1701433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach // Predicate. 1702433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1703433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1704433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1705433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitInstruction(TmpInst); 1706433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1707433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach OutStreamer.EmitLabel(Label); 1708433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach return; 1709433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach } 1710433a5785cc8201a8a384f0a5648d3dbac87f9fbcJim Grosbach 1711453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach case ARM::Int_eh_sjlj_setjmp_nofp: 1712a3fbadfcd882f9f15bda7c1213b5ff52d6582a10Jim Grosbach case ARM::Int_eh_sjlj_setjmp: { 1713453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Two incoming args: GPR:$src, GPR:$val 1714453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add $val, pc, #8 1715453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // str $val, [$src, #+4] 1716453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #0 1717453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // add pc, pc, #0 1718453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // mov r0, #1 1719453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1720453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach unsigned ValReg = MI->getOperand(1).getReg(); 1721453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach 1722453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1723453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1724453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1725453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1726453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1727453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 1728453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1729453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1730453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1731453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1732453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1733453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp begin"); 1734453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1735453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1736453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1737453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 17387e3383c007f53b3a00675af225e428cb66ddf404Jim Grosbach TmpInst.setOpcode(ARM::STRi12); 1739453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ValReg)); 1740453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1741453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 1742453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1743453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1744453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1745453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1746453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1747453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1748453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1749453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1750453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1751453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1752453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1753453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1754453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1755453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1756453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1757453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1758453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1759453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1760453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1761453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::ADDri); 1762453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1763453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); 1764453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 1765453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1766453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1767453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1768453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1769453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1770453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1771453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1772453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach { 1773453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach MCInst TmpInst; 1774453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.setOpcode(ARM::MOVi); 1775453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R0)); 1776453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1777453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // Predicate. 1778453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1779453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1780453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach // 's' bit operand (always reg0 for this). 1781453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1782453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.AddComment("eh_setjmp end"); 1783453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1784453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 1785453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach return; 1786453900814e5245fd823b2b24ee9da9b5e8b4bfc4Jim Grosbach } 17875acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach case ARM::Int_eh_sjlj_longjmp: { 17885acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr sp, [$src, #8] 17895acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr $scratch, [$src, #4] 17905acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // ldr r7, [$src] 17915acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // bx $scratch 17925acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 17935acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 17945acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 17955acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 17963e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 17975acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 17985acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 17995acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(8)); 18005acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 18015acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 18025acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 18035acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 18045acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 18055acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 18065acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 18073e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 18085acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 18095acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 18105acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(4)); 18115acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 18125acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 18135acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 18145acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 18155acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 18165acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 18175acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 18183e5561247202bae994dd259a2d8dc4eff8f799f3Jim Grosbach TmpInst.setOpcode(ARM::LDRi12); 18195acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 18205acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 18215acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(0)); 18225acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 18235acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 18245acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 18255acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 18265acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 18275acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach { 18285acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach MCInst TmpInst; 18296e46d84eea97792a66c0bb64f26aad3976a23365Bill Wendling TmpInst.setOpcode(ARM::BX); 18305acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 18315acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach // Predicate. 18325acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 18335acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1834385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1835385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1836385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach return; 1837385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1838385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach case ARM::tInt_eh_sjlj_longjmp: { 1839385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #8] 1840385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // mov sp, $scratch 1841385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr $scratch, [$src, #4] 1842385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // ldr r7, [$src] 1843385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // bx $scratch 1844385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned SrcReg = MI->getOperand(0).getReg(); 1845385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach unsigned ScratchReg = MI->getOperand(1).getReg(); 1846385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1847385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1848f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1849385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1850385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1851385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // The offset immediate is #8. The operand value is scaled by 4 for the 1852f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling // tLDR instruction. 1853385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(2)); 1854385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1855385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1856385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1857385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1858385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1859385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1860385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 18612a7b41ba4d3eb3c6003f6768dc20b28d83eac265Jim Grosbach TmpInst.setOpcode(ARM::tMOVr); 1862385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::SP)); 1863385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1864385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1865385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1866385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1867385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1868385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1869385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1870385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1871f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRi); 1872385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1873385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1874385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(1)); 1875385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1876385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1877385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1878385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1879385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1880385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1881385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1882f4caf69720d807573c50d41aa06bcec1c99bdbbdBill Wendling TmpInst.setOpcode(ARM::tLDRr); 1883385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ARM::R7)); 1884385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(SrcReg)); 1885385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1886385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1887385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1888385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 1889385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach OutStreamer.EmitInstruction(TmpInst); 1890385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach } 1891385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach { 1892385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach MCInst TmpInst; 1893421b106872d9c8adb4f14d77a8c6a1afeaaa29f6Cameron Zwarich TmpInst.setOpcode(ARM::tBX); 1894385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(ScratchReg)); 1895385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach // Predicate. 1896385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); 1897385cc5eede9f81717b03121baf47b7aa185b5128Jim Grosbach TmpInst.addOperand(MCOperand::CreateReg(0)); 18985acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach OutStreamer.EmitInstruction(TmpInst); 18995acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 19005acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach return; 19015acb3de8b7cfd5a104722526b731a3c87bb1a46eJim Grosbach } 190297f06937449c593a248dbbb1365e6ae408fb9decChris Lattner } 1903b0739b78332275906cd5ace2ae0d65a29135667bJim Grosbach 190497f06937449c593a248dbbb1365e6ae408fb9decChris Lattner MCInst TmpInst; 190530e2cc254be72601b11383dda01f495741ffd56cChris Lattner LowerARMMachineInstrToMCInst(MI, TmpInst, *this); 190657caad7a33ff145b71545f10dcfbbf2fd0f595d3Anton Korobeynikov 1907850d2e2a1b58ea30abed10ca955259d60d07d97aChris Lattner OutStreamer.EmitInstruction(TmpInst); 190897f06937449c593a248dbbb1365e6ae408fb9decChris Lattner} 19092685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 19102685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 19112685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Target Registry Stuff 19122685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar//===----------------------------------------------------------------------===// 19132685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 19142685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar// Force static initialization. 19152685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbarextern "C" void LLVMInitializeARMAsmPrinter() { 19162685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> X(TheARMTarget); 19172685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar RegisterAsmPrinter<ARMAsmPrinter> Y(TheThumbTarget); 19182685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar} 19192685a29a8d4ced7791bb671e28f9fe51c74eb3bbDaniel Dunbar 1920