MachODump.cpp revision c6449b636f4984be88f128d0375c056ad05e7e8f
10b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer//===-- MachODump.cpp - Object file dumping utility for llvm --------------===// 20b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// 30b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// The LLVM Compiler Infrastructure 40b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// 50b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// This file is distributed under the University of Illinois Open Source 60b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// License. See LICENSE.TXT for details. 70b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// 80b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer//===----------------------------------------------------------------------===// 90b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// 100b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// This file implements the MachO-specific dumper for llvm-objdump. 110b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer// 120b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer//===----------------------------------------------------------------------===// 130b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 140b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm-objdump.h" 150b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "MCFunction.h" 160b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/MachO.h" 17481837a743be2bd4723d96f304abba93140dc206Owen Anderson#include "llvm/Object/MachO.h" 180b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/ADT/OwningPtr.h" 190b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/ADT/Triple.h" 200b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/ADT/STLExtras.h" 218c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer#include "llvm/DebugInfo/DIContext.h" 220b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCAsmInfo.h" 230b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCDisassembler.h" 240b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCInst.h" 250b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCInstPrinter.h" 260b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCInstrAnalysis.h" 270b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCInstrDesc.h" 280b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCInstrInfo.h" 29c6449b636f4984be88f128d0375c056ad05e7e8fJim Grosbach#include "llvm/MC/MCRegisterInfo.h" 300b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/MC/MCSubtargetInfo.h" 310b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/CommandLine.h" 320b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/Debug.h" 330b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/Format.h" 340b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/GraphWriter.h" 350b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/MemoryBuffer.h" 360b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/TargetRegistry.h" 370b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/TargetSelect.h" 380b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/raw_ostream.h" 390b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include "llvm/Support/system_error.h" 400b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include <algorithm> 410b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#include <cstring> 420b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramerusing namespace llvm; 430b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramerusing namespace object; 440b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 450b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramerstatic cl::opt<bool> 460b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer CFG("cfg", cl::desc("Create a CFG for every symbol in the object file and" 470b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer "write it to a graphviz file (MachO-only)")); 480b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 498c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramerstatic cl::opt<bool> 508c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer UseDbg("g", cl::desc("Print line information from debug info if available")); 518c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 528c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramerstatic cl::opt<std::string> 538c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DSYMFile("dsym", cl::desc("Use .dSYM file for debug info")); 548c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 550b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramerstatic const Target *GetTarget(const MachOObject *MachOObj) { 560b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Figure out the target triple. 57a99350511cceb8a723800957bae500078f054062Cameron Zwarich if (TripleName.empty()) { 58a99350511cceb8a723800957bae500078f054062Cameron Zwarich llvm::Triple TT("unknown-unknown-unknown"); 59a99350511cceb8a723800957bae500078f054062Cameron Zwarich switch (MachOObj->getHeader().CPUType) { 60a99350511cceb8a723800957bae500078f054062Cameron Zwarich case llvm::MachO::CPUTypeI386: 61a99350511cceb8a723800957bae500078f054062Cameron Zwarich TT.setArch(Triple::ArchType(Triple::x86)); 62a99350511cceb8a723800957bae500078f054062Cameron Zwarich break; 63a99350511cceb8a723800957bae500078f054062Cameron Zwarich case llvm::MachO::CPUTypeX86_64: 64a99350511cceb8a723800957bae500078f054062Cameron Zwarich TT.setArch(Triple::ArchType(Triple::x86_64)); 65a99350511cceb8a723800957bae500078f054062Cameron Zwarich break; 66a99350511cceb8a723800957bae500078f054062Cameron Zwarich case llvm::MachO::CPUTypeARM: 67a99350511cceb8a723800957bae500078f054062Cameron Zwarich TT.setArch(Triple::ArchType(Triple::arm)); 68a99350511cceb8a723800957bae500078f054062Cameron Zwarich break; 69a99350511cceb8a723800957bae500078f054062Cameron Zwarich case llvm::MachO::CPUTypePowerPC: 70a99350511cceb8a723800957bae500078f054062Cameron Zwarich TT.setArch(Triple::ArchType(Triple::ppc)); 71a99350511cceb8a723800957bae500078f054062Cameron Zwarich break; 72a99350511cceb8a723800957bae500078f054062Cameron Zwarich case llvm::MachO::CPUTypePowerPC64: 73a99350511cceb8a723800957bae500078f054062Cameron Zwarich TT.setArch(Triple::ArchType(Triple::ppc64)); 74a99350511cceb8a723800957bae500078f054062Cameron Zwarich break; 75a99350511cceb8a723800957bae500078f054062Cameron Zwarich } 76a99350511cceb8a723800957bae500078f054062Cameron Zwarich TripleName = TT.str(); 770b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 780b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 790b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Get the target specific parser. 800b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer std::string Error; 810b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error); 820b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (TheTarget) 830b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer return TheTarget; 840b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 850b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer errs() << "llvm-objdump: error: unable to get target for '" << TripleName 860b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer << "', see --version and --triple.\n"; 870b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer return 0; 880b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer} 890b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 90481837a743be2bd4723d96f304abba93140dc206Owen Andersonstruct SymbolSorter { 91481837a743be2bd4723d96f304abba93140dc206Owen Anderson bool operator()(const SymbolRef &A, const SymbolRef &B) { 92481837a743be2bd4723d96f304abba93140dc206Owen Anderson SymbolRef::Type AType, BType; 93481837a743be2bd4723d96f304abba93140dc206Owen Anderson A.getType(AType); 94481837a743be2bd4723d96f304abba93140dc206Owen Anderson B.getType(BType); 95481837a743be2bd4723d96f304abba93140dc206Owen Anderson 96481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t AAddr, BAddr; 97481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (AType != SymbolRef::ST_Function) 98481837a743be2bd4723d96f304abba93140dc206Owen Anderson AAddr = 0; 99481837a743be2bd4723d96f304abba93140dc206Owen Anderson else 100481837a743be2bd4723d96f304abba93140dc206Owen Anderson A.getAddress(AAddr); 101481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (BType != SymbolRef::ST_Function) 102481837a743be2bd4723d96f304abba93140dc206Owen Anderson BAddr = 0; 103481837a743be2bd4723d96f304abba93140dc206Owen Anderson else 104481837a743be2bd4723d96f304abba93140dc206Owen Anderson B.getAddress(BAddr); 105481837a743be2bd4723d96f304abba93140dc206Owen Anderson return AAddr < BAddr; 106481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 1070b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer}; 1080b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 1093773fb46ba530f69530d1c4bafb7885528a27391Michael J. Spencer// Print additional information about an address, if available. 110481837a743be2bd4723d96f304abba93140dc206Owen Andersonstatic void DumpAddress(uint64_t Address, ArrayRef<SectionRef> Sections, 1110b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MachOObject *MachOObj, raw_ostream &OS) { 1120b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned i = 0; i != Sections.size(); ++i) { 113481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectAddr = 0, SectSize = 0; 114481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[i].getAddress(SectAddr); 115481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[i].getSize(SectSize); 116481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t addr = SectAddr; 117481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (SectAddr <= Address && 118481837a743be2bd4723d96f304abba93140dc206Owen Anderson SectAddr + SectSize > Address) { 119481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef bytes, name; 120481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[i].getContents(bytes); 121481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[i].getName(name); 122a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Print constant strings. 123481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (!name.compare("__cstring")) 1240b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OS << '"' << bytes.substr(addr, bytes.find('\0', addr)) << '"'; 125a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Print constant CFStrings. 126481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (!name.compare("__cfstring")) 1270b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OS << "@\"" << bytes.substr(addr, bytes.find('\0', addr)) << '"'; 1280b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 1290b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 1300b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer} 1310b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 132a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramertypedef std::map<uint64_t, MCFunction*> FunctionMapTy; 133a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramertypedef SmallVector<MCFunction, 16> FunctionListTy; 134a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramerstatic void createMCFunctionAndSaveCalls(StringRef Name, 135a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer const MCDisassembler *DisAsm, 136a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer MemoryObject &Object, uint64_t Start, 137a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer uint64_t End, 138a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer MCInstrAnalysis *InstrAnalysis, 139a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer uint64_t Address, 140a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer raw_ostream &DebugOut, 141a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionMapTy &FunctionMap, 142a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionListTy &Functions) { 143a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer SmallVector<uint64_t, 16> Calls; 144a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer MCFunction f = 145a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer MCFunction::createFunctionFromMC(Name, DisAsm, Object, Start, End, 146a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer InstrAnalysis, DebugOut, Calls); 147a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Functions.push_back(f); 148a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionMap[Address] = &Functions.back(); 149a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 150a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Add the gathered callees to the map. 151a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (unsigned i = 0, e = Calls.size(); i != e; ++i) 152a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionMap.insert(std::make_pair(Calls[i], (MCFunction*)0)); 153a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer} 154a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 155a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer// Write a graphviz file for the CFG inside an MCFunction. 156a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramerstatic void emitDOTFile(const char *FileName, const MCFunction &f, 157a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer MCInstPrinter *IP) { 158a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Start a new dot file. 159a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer std::string Error; 160a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer raw_fd_ostream Out(FileName, Error); 161a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (!Error.empty()) { 162a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer errs() << "llvm-objdump: warning: " << Error << '\n'; 163a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer return; 164a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer } 165a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 166a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << "digraph " << f.getName() << " {\n"; 167a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << "graph [ rankdir = \"LR\" ];\n"; 168a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (MCFunction::iterator i = f.begin(), e = f.end(); i != e; ++i) { 169a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer bool hasPreds = false; 170a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Only print blocks that have predecessors. 171a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // FIXME: Slow. 172a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (MCFunction::iterator pi = f.begin(), pe = f.end(); pi != pe; 173a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer ++pi) 174a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (pi->second.contains(i->first)) { 175a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer hasPreds = true; 176a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer break; 177a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer } 178a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 179a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (!hasPreds && i != f.begin()) 180a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer continue; 181a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 182a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << '"' << i->first << "\" [ label=\"<a>"; 183a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Print instructions. 184a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (unsigned ii = 0, ie = i->second.getInsts().size(); ii != ie; 185a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer ++ii) { 186a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Escape special chars and print the instruction in mnemonic form. 187a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer std::string Str; 188a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer raw_string_ostream OS(Str); 189a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer IP->printInst(&i->second.getInsts()[ii].Inst, OS, ""); 190a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << DOT::EscapeString(OS.str()) << '|'; 191a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer } 192a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << "<o>\" shape=\"record\" ];\n"; 193a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 194a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Add edges. 195a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (MCBasicBlock::succ_iterator si = i->second.succ_begin(), 196a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer se = i->second.succ_end(); si != se; ++si) 197a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << i->first << ":o -> " << *si <<":a\n"; 198a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer } 199a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer Out << "}\n"; 200a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer} 201a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 2028c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramerstatic void getSectionsAndSymbols(const macho::Header &Header, 203481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObjectFile *MachOObj, 2048c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer InMemoryStruct<macho::SymtabLoadCommand> *SymtabLC, 205481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SectionRef> &Sections, 206481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SymbolRef> &Symbols, 2078c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer SmallVectorImpl<uint64_t> &FoundFns) { 208481837a743be2bd4723d96f304abba93140dc206Owen Anderson error_code ec; 209481837a743be2bd4723d96f304abba93140dc206Owen Anderson for (symbol_iterator SI = MachOObj->begin_symbols(), 210481837a743be2bd4723d96f304abba93140dc206Owen Anderson SE = MachOObj->end_symbols(); SI != SE; SI.increment(ec)) 211481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols.push_back(*SI); 212481837a743be2bd4723d96f304abba93140dc206Owen Anderson 213481837a743be2bd4723d96f304abba93140dc206Owen Anderson for (section_iterator SI = MachOObj->begin_sections(), 214481837a743be2bd4723d96f304abba93140dc206Owen Anderson SE = MachOObj->end_sections(); SI != SE; SI.increment(ec)) { 215481837a743be2bd4723d96f304abba93140dc206Owen Anderson SectionRef SR = *SI; 216481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SectName; 217481837a743be2bd4723d96f304abba93140dc206Owen Anderson SR.getName(SectName); 218481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections.push_back(*SI); 219481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 2208c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 221481837a743be2bd4723d96f304abba93140dc206Owen Anderson for (unsigned i = 0; i != Header.NumLoadCommands; ++i) { 222481837a743be2bd4723d96f304abba93140dc206Owen Anderson const MachOObject::LoadCommandInfo &LCI = 223481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObj->getObject()->getLoadCommandInfo(i); 224481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (LCI.Command.Type == macho::LCT_FunctionStarts) { 2258c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // We found a function starts segment, parse the addresses for later 2268c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // consumption. 2278c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer InMemoryStruct<macho::LinkeditDataLoadCommand> LLC; 228481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObj->getObject()->ReadLinkeditDataLoadCommand(LCI, LLC); 2298c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 230481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObj->getObject()->ReadULEB128s(LLC->DataOffset, FoundFns); 231afbaf48fc4a645a95737ea81e2e0fde47a6150baBenjamin Kramer } 232afbaf48fc4a645a95737ea81e2e0fde47a6150baBenjamin Kramer } 2338c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer} 2348c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 2350b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramervoid llvm::DisassembleInputMachO(StringRef Filename) { 2360b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<MemoryBuffer> Buff; 2370b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2380b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) { 2390b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer errs() << "llvm-objdump: " << Filename << ": " << ec.message() << "\n"; 2400b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer return; 2410b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 2420b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 243481837a743be2bd4723d96f304abba93140dc206Owen Anderson OwningPtr<MachOObjectFile> MachOOF(static_cast<MachOObjectFile*>( 244481837a743be2bd4723d96f304abba93140dc206Owen Anderson ObjectFile::createMachOObjectFile(Buff.take()))); 245481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObject *MachOObj = MachOOF->getObject(); 2460b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 247481837a743be2bd4723d96f304abba93140dc206Owen Anderson const Target *TheTarget = GetTarget(MachOObj); 2480b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (!TheTarget) { 2490b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // GetTarget prints out stuff. 2500b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer return; 2510b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 252d226ed71f24f2db200e3751e05b82c7700514116Benjamin Kramer OwningPtr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo()); 2530b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<MCInstrAnalysis> 254d226ed71f24f2db200e3751e05b82c7700514116Benjamin Kramer InstrAnalysis(TheTarget->createMCInstrAnalysis(InstrInfo.get())); 2550b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2560b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Set up disassembler. 2570b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<const MCAsmInfo> AsmInfo(TheTarget->createMCAsmInfo(TripleName)); 2580b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<const MCSubtargetInfo> 2590b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer STI(TheTarget->createMCSubtargetInfo(TripleName, "", "")); 2600b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler(*STI)); 261c6449b636f4984be88f128d0375c056ad05e7e8fJim Grosbach OwningPtr<const MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName)); 2620b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer int AsmPrinterVariant = AsmInfo->getAssemblerDialect(); 2630b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter( 264c6449b636f4984be88f128d0375c056ad05e7e8fJim Grosbach AsmPrinterVariant, *AsmInfo, *MRI, *STI)); 265a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 266a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (!InstrAnalysis || !AsmInfo || !STI || !DisAsm || !IP) { 2673773fb46ba530f69530d1c4bafb7885528a27391Michael J. Spencer errs() << "error: couldn't initialize disassembler for target " 268a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer << TripleName << '\n'; 2690b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer return; 2700b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 2710b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 272a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer outs() << '\n' << Filename << ":\n\n"; 2730b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2740b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer const macho::Header &Header = MachOObj->getHeader(); 2750b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2760b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer const MachOObject::LoadCommandInfo *SymtabLCI = 0; 277a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // First, find the symbol table segment. 2780b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned i = 0; i != Header.NumLoadCommands; ++i) { 2790b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer const MachOObject::LoadCommandInfo &LCI = MachOObj->getLoadCommandInfo(i); 280a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (LCI.Command.Type == macho::LCT_Symtab) { 2810b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer SymtabLCI = &LCI; 2820b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer break; 2830b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 2840b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 2850b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2860b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Read and register the symbol table data. 2870b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer InMemoryStruct<macho::SymtabLoadCommand> SymtabLC; 2880b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MachOObj->ReadSymtabLoadCommand(*SymtabLCI, SymtabLC); 2890b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MachOObj->RegisterStringTable(*SymtabLC); 2900b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 291481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SectionRef> Sections; 292481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SymbolRef> Symbols; 2930b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer SmallVector<uint64_t, 8> FoundFns; 2940b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 295481837a743be2bd4723d96f304abba93140dc206Owen Anderson getSectionsAndSymbols(Header, MachOOF.get(), &SymtabLC, Sections, Symbols, 2968c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer FoundFns); 2970b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 2988c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Make a copy of the unsorted symbol list. FIXME: duplication 299481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SymbolRef> UnsortedSymbols(Symbols); 3000b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Sort the symbols by address, just in case they didn't come in that way. 301481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::sort(Symbols.begin(), Symbols.end(), SymbolSorter()); 3020b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 3030b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#ifndef NDEBUG 3040b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls(); 3050b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#else 3060b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer raw_ostream &DebugOut = nulls(); 3070b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer#endif 3080b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 3098c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer StringRef DebugAbbrevSection, DebugInfoSection, DebugArangesSection, 3108c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugLineSection, DebugStrSection; 3118c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer OwningPtr<DIContext> diContext; 312481837a743be2bd4723d96f304abba93140dc206Owen Anderson OwningPtr<MachOObjectFile> DSYMObj; 313481837a743be2bd4723d96f304abba93140dc206Owen Anderson MachOObject *DbgInfoObj = MachOObj; 3148c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Try to find debug info and set up the DIContext for it. 3158c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (UseDbg) { 316481837a743be2bd4723d96f304abba93140dc206Owen Anderson ArrayRef<SectionRef> DebugSections = Sections; 317481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SectionRef> DSYMSections; 3188c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 3198c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // A separate DSym file path was specified, parse it as a macho file, 3208c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // get the sections and supply it to the section name parsing machinery. 3218c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (!DSYMFile.empty()) { 3228c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer OwningPtr<MemoryBuffer> Buf; 3238c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (error_code ec = MemoryBuffer::getFileOrSTDIN(DSYMFile.c_str(), Buf)) { 3248c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer errs() << "llvm-objdump: " << Filename << ": " << ec.message() << '\n'; 3258c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer return; 3268c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 327481837a743be2bd4723d96f304abba93140dc206Owen Anderson DSYMObj.reset(static_cast<MachOObjectFile*>( 328481837a743be2bd4723d96f304abba93140dc206Owen Anderson ObjectFile::createMachOObjectFile(Buf.take()))); 329481837a743be2bd4723d96f304abba93140dc206Owen Anderson const macho::Header &Header = DSYMObj->getObject()->getHeader(); 3308c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 331481837a743be2bd4723d96f304abba93140dc206Owen Anderson std::vector<SymbolRef> Symbols; 3328c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer SmallVector<uint64_t, 8> FoundFns; 3338c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer getSectionsAndSymbols(Header, DSYMObj.get(), 0, DSYMSections, Symbols, 3348c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer FoundFns); 3358c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugSections = DSYMSections; 336481837a743be2bd4723d96f304abba93140dc206Owen Anderson DbgInfoObj = DSYMObj.get()->getObject(); 3378c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 3388c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 3398c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Find the named debug info sections. 3408c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer for (unsigned SectIdx = 0; SectIdx != DebugSections.size(); SectIdx++) { 341481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SectName; 342481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (!DebugSections[SectIdx].getName(SectName)) { 343481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (SectName.equals("__DWARF,__debug_abbrev")) 344481837a743be2bd4723d96f304abba93140dc206Owen Anderson DebugSections[SectIdx].getContents(DebugAbbrevSection); 345481837a743be2bd4723d96f304abba93140dc206Owen Anderson else if (SectName.equals("__DWARF,__debug_info")) 346481837a743be2bd4723d96f304abba93140dc206Owen Anderson DebugSections[SectIdx].getContents(DebugInfoSection); 347481837a743be2bd4723d96f304abba93140dc206Owen Anderson else if (SectName.equals("__DWARF,__debug_aranges")) 348481837a743be2bd4723d96f304abba93140dc206Owen Anderson DebugSections[SectIdx].getContents(DebugArangesSection); 349481837a743be2bd4723d96f304abba93140dc206Owen Anderson else if (SectName.equals("__DWARF,__debug_line")) 350481837a743be2bd4723d96f304abba93140dc206Owen Anderson DebugSections[SectIdx].getContents(DebugLineSection); 351481837a743be2bd4723d96f304abba93140dc206Owen Anderson else if (SectName.equals("__DWARF,__debug_str")) 352481837a743be2bd4723d96f304abba93140dc206Owen Anderson DebugSections[SectIdx].getContents(DebugStrSection); 353481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 3548c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 3558c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 3568c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Setup the DIContext. 35791c603bcfe810c14ddcf7bf340dacbf10c7b5255Benjamin Kramer diContext.reset(DIContext::getDWARFContext(DbgInfoObj->isLittleEndian(), 3588c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugInfoSection, 3598c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugAbbrevSection, 3608c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugArangesSection, 3618c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugLineSection, 3628c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DebugStrSection)); 3638c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 3648c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 365a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionMapTy FunctionMap; 366a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionListTy Functions; 3670b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 3680b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) { 369481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SectName; 370481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (Sections[SectIdx].getName(SectName) || 371481837a743be2bd4723d96f304abba93140dc206Owen Anderson SectName.compare("__TEXT,__text")) 372a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer continue; // Skip non-text sections 3730b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 374a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Insert the functions from the function starts segment into our map. 375481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t VMAddr; 376481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getAddress(VMAddr); 377481837a743be2bd4723d96f304abba93140dc206Owen Anderson for (unsigned i = 0, e = FoundFns.size(); i != e; ++i) { 378481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SectBegin; 379481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getContents(SectBegin); 380481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t Offset = (uint64_t)SectBegin.data(); 381481837a743be2bd4723d96f304abba93140dc206Owen Anderson FunctionMap.insert(std::make_pair(VMAddr + FoundFns[i]-Offset, 382481837a743be2bd4723d96f304abba93140dc206Owen Anderson (MCFunction*)0)); 383481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 3840b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 385481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef Bytes; 386481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getContents(Bytes); 3870b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer StringRefMemoryObject memoryObject(Bytes); 3880b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer bool symbolTableWorked = false; 3890b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 390a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Parse relocations. 3917d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson std::vector<std::pair<uint64_t, SymbolRef> > Relocs; 392481837a743be2bd4723d96f304abba93140dc206Owen Anderson error_code ec; 393481837a743be2bd4723d96f304abba93140dc206Owen Anderson for (relocation_iterator RI = Sections[SectIdx].begin_relocations(), 394481837a743be2bd4723d96f304abba93140dc206Owen Anderson RE = Sections[SectIdx].end_relocations(); RI != RE; RI.increment(ec)) { 395481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t RelocOffset, SectionAddress; 396481837a743be2bd4723d96f304abba93140dc206Owen Anderson RI->getAddress(RelocOffset); 397481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getAddress(SectionAddress); 398481837a743be2bd4723d96f304abba93140dc206Owen Anderson RelocOffset -= SectionAddress; 399481837a743be2bd4723d96f304abba93140dc206Owen Anderson 4007d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson SymbolRef RelocSym; 4017d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson RI->getSymbol(RelocSym); 402481837a743be2bd4723d96f304abba93140dc206Owen Anderson 4037d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson Relocs.push_back(std::make_pair(RelocOffset, RelocSym)); 4040b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 4050b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer array_pod_sort(Relocs.begin(), Relocs.end()); 4060b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 407a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Disassemble symbol by symbol. 4080b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) { 409481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SymName; 410481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols[SymIdx].getName(SymName); 411481837a743be2bd4723d96f304abba93140dc206Owen Anderson 412481837a743be2bd4723d96f304abba93140dc206Owen Anderson SymbolRef::Type ST; 413481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols[SymIdx].getType(ST); 414481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (ST != SymbolRef::ST_Function) 415481837a743be2bd4723d96f304abba93140dc206Owen Anderson continue; 416481837a743be2bd4723d96f304abba93140dc206Owen Anderson 417a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Make sure the symbol is defined in this section. 418481837a743be2bd4723d96f304abba93140dc206Owen Anderson bool containsSym = false; 419481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].containsSymbol(Symbols[SymIdx], containsSym); 420481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (!containsSym) 4210b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer continue; 4220b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 423a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Start at the address of the symbol relative to the section's address. 424ec8eac6d8b70234b2dfee623190d609e17206bcaCameron Zwarich uint64_t SectionAddress = 0; 425481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t Start = 0; 426ec8eac6d8b70234b2dfee623190d609e17206bcaCameron Zwarich Sections[SectIdx].getAddress(SectionAddress); 427b0436a73054fe676b216a0cf872d1fc433125c62Danil Malyshev Symbols[SymIdx].getAddress(Start); 428ec8eac6d8b70234b2dfee623190d609e17206bcaCameron Zwarich Start -= SectionAddress; 429481837a743be2bd4723d96f304abba93140dc206Owen Anderson 430a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Stop disassembling either at the beginning of the next symbol or at 431a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // the end of the section. 432481837a743be2bd4723d96f304abba93140dc206Owen Anderson bool containsNextSym = true; 433481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t NextSym = 0; 434481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t NextSymIdx = SymIdx+1; 435481837a743be2bd4723d96f304abba93140dc206Owen Anderson while (Symbols.size() > NextSymIdx) { 436481837a743be2bd4723d96f304abba93140dc206Owen Anderson SymbolRef::Type NextSymType; 437481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols[NextSymIdx].getType(NextSymType); 438481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (NextSymType == SymbolRef::ST_Function) { 439481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].containsSymbol(Symbols[NextSymIdx], 440481837a743be2bd4723d96f304abba93140dc206Owen Anderson containsNextSym); 441b0436a73054fe676b216a0cf872d1fc433125c62Danil Malyshev Symbols[NextSymIdx].getAddress(NextSym); 442ec8eac6d8b70234b2dfee623190d609e17206bcaCameron Zwarich NextSym -= SectionAddress; 443481837a743be2bd4723d96f304abba93140dc206Owen Anderson break; 444481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 445481837a743be2bd4723d96f304abba93140dc206Owen Anderson ++NextSymIdx; 446481837a743be2bd4723d96f304abba93140dc206Owen Anderson } 4470b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 448481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectSize; 449481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getSize(SectSize); 450481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t End = containsNextSym ? NextSym : SectSize; 451481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t Size; 4520b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 4530b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer symbolTableWorked = true; 4540b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 4550b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (!CFG) { 456a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Normal disassembly, print addresses, bytes and mnemonic form. 457481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SymName; 458481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols[SymIdx].getName(SymName); 459481837a743be2bd4723d96f304abba93140dc206Owen Anderson 460481837a743be2bd4723d96f304abba93140dc206Owen Anderson outs() << SymName << ":\n"; 4618c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DILineInfo lastLine; 4620b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (uint64_t Index = Start; Index < End; Index += Size) { 4630b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MCInst Inst; 4640b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 4650b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (DisAsm->getInstruction(Inst, Size, memoryObject, Index, 4660b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer DebugOut, nulls())) { 467481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectAddress = 0; 468481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getAddress(SectAddress); 46941a964931a0e0943ceef28b0c691843bf8ca87b7Benjamin Kramer outs() << format("%8" PRIx64 ":\t", SectAddress + Index); 470481837a743be2bd4723d96f304abba93140dc206Owen Anderson 4710b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer DumpBytes(StringRef(Bytes.data() + Index, Size)); 4720b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer IP->printInst(&Inst, outs(), ""); 4738c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 4748c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Print debug info. 4758c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (diContext) { 4768c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DILineInfo dli = 477481837a743be2bd4723d96f304abba93140dc206Owen Anderson diContext->getLineInfoForAddress(SectAddress + Index); 4788c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Print valid line info if it changed. 4798c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (dli != lastLine && dli.getLine() != 0) 4808c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer outs() << "\t## " << dli.getFileName() << ':' 4818c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer << dli.getLine() << ':' << dli.getColumn(); 4828c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer lastLine = dli; 4838c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 4840b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << "\n"; 4850b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } else { 4860b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer errs() << "llvm-objdump: warning: invalid instruction encoding\n"; 4870b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (Size == 0) 4880b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer Size = 1; // skip illegible bytes 4890b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 4900b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 4910b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } else { 4920b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // Create CFG and use it for disassembly. 493481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SymName; 494481837a743be2bd4723d96f304abba93140dc206Owen Anderson Symbols[SymIdx].getName(SymName); 495a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer createMCFunctionAndSaveCalls( 496481837a743be2bd4723d96f304abba93140dc206Owen Anderson SymName, DisAsm.get(), memoryObject, Start, End, 497481837a743be2bd4723d96f304abba93140dc206Owen Anderson InstrAnalysis.get(), Start, DebugOut, FunctionMap, Functions); 4980b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 4990b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5000b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 5010b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (CFG) { 5020b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (!symbolTableWorked) { 503a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Reading the symbol table didn't work, create a big __TEXT symbol. 504481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectSize = 0, SectAddress = 0; 505481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getSize(SectSize); 506481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getAddress(SectAddress); 507a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer createMCFunctionAndSaveCalls("__TEXT", DisAsm.get(), memoryObject, 508481837a743be2bd4723d96f304abba93140dc206Owen Anderson 0, SectSize, 509a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer InstrAnalysis.get(), 510481837a743be2bd4723d96f304abba93140dc206Owen Anderson SectAddress, DebugOut, 511a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer FunctionMap, Functions); 5120b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5130b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (std::map<uint64_t, MCFunction*>::iterator mi = FunctionMap.begin(), 5140b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer me = FunctionMap.end(); mi != me; ++mi) 5150b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (mi->second == 0) { 516a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Create functions for the remaining callees we have gathered, 517a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // but we didn't find a name for them. 518481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectSize = 0; 519481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getSize(SectSize); 520481837a743be2bd4723d96f304abba93140dc206Owen Anderson 5210b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer SmallVector<uint64_t, 16> Calls; 5220b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MCFunction f = 5230b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MCFunction::createFunctionFromMC("unknown", DisAsm.get(), 5240b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer memoryObject, mi->first, 525481837a743be2bd4723d96f304abba93140dc206Owen Anderson SectSize, 5260b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer InstrAnalysis.get(), DebugOut, 5270b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer Calls); 5280b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer Functions.push_back(f); 5290b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer mi->second = &Functions.back(); 530a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer for (unsigned i = 0, e = Calls.size(); i != e; ++i) { 531a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer std::pair<uint64_t, MCFunction*> p(Calls[i], (MCFunction*)0); 532a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (FunctionMap.insert(p).second) 5330b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer mi = FunctionMap.begin(); 534a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer } 5350b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5360b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 5370b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer DenseSet<uint64_t> PrintedBlocks; 5380b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned ffi = 0, ffe = Functions.size(); ffi != ffe; ++ffi) { 5390b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer MCFunction &f = Functions[ffi]; 5400b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (MCFunction::iterator fi = f.begin(), fe = f.end(); fi != fe; ++fi){ 5410b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (!PrintedBlocks.insert(fi->first).second) 542a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer continue; // We already printed this block. 543a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 544a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // We assume a block has predecessors when it's the first block after 545a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // a symbol. 5460b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer bool hasPreds = FunctionMap.find(fi->first) != FunctionMap.end(); 5470b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 548a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // See if this block has predecessors. 5490b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer // FIXME: Slow. 5500b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (MCFunction::iterator pi = f.begin(), pe = f.end(); pi != pe; 5510b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer ++pi) 5520b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (pi->second.contains(fi->first)) { 5530b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer hasPreds = true; 5540b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer break; 5550b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5560b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 557481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t SectSize = 0, SectAddress; 558481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getSize(SectSize); 559481837a743be2bd4723d96f304abba93140dc206Owen Anderson Sections[SectIdx].getAddress(SectAddress); 560481837a743be2bd4723d96f304abba93140dc206Owen Anderson 561a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // No predecessors, this is a data block. Print as .byte directives. 562a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (!hasPreds) { 563481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t End = llvm::next(fi) == fe ? SectSize : 5640b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer llvm::next(fi)->first; 5650b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << "# " << End-fi->first << " bytes of data:\n"; 5660b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned pos = fi->first; pos != End; ++pos) { 567481837a743be2bd4723d96f304abba93140dc206Owen Anderson outs() << format("%8x:\t", SectAddress + pos); 5680b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer DumpBytes(StringRef(Bytes.data() + pos, 1)); 5690b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << format("\t.byte 0x%02x\n", (uint8_t)Bytes[pos]); 5700b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5710b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer continue; 5720b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 5730b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 574a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (fi->second.contains(fi->first)) // Print a header for simple loops 5750b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << "# Loop begin:\n"; 5760b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 5778c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DILineInfo lastLine; 578a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Walk over the instructions and print them. 5790b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned ii = 0, ie = fi->second.getInsts().size(); ii != ie; 5800b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer ++ii) { 5810b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer const MCDecodedInst &Inst = fi->second.getInsts()[ii]; 582a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 583a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // If there's a symbol at this address, print its name. 584481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (FunctionMap.find(SectAddress + Inst.Address) != 5850b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer FunctionMap.end()) 586481837a743be2bd4723d96f304abba93140dc206Owen Anderson outs() << FunctionMap[SectAddress + Inst.Address]-> getName() 587481837a743be2bd4723d96f304abba93140dc206Owen Anderson << ":\n"; 588a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 58941a964931a0e0943ceef28b0c691843bf8ca87b7Benjamin Kramer outs() << format("%8" PRIx64 ":\t", SectAddress + Inst.Address); 5900b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer DumpBytes(StringRef(Bytes.data() + Inst.Address, Inst.Size)); 591a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 592a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer if (fi->second.contains(fi->first)) // Indent simple loops. 5930b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << '\t'; 594a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 5950b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer IP->printInst(&Inst.Inst, outs(), ""); 596a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 597a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // Look for relocations inside this instructions, if there is one 5983773fb46ba530f69530d1c4bafb7885528a27391Michael J. Spencer // print its target and additional information if available. 5990b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer for (unsigned j = 0; j != Relocs.size(); ++j) 600481837a743be2bd4723d96f304abba93140dc206Owen Anderson if (Relocs[j].first >= SectAddress + Inst.Address && 601481837a743be2bd4723d96f304abba93140dc206Owen Anderson Relocs[j].first < SectAddress + Inst.Address + Inst.Size) { 602481837a743be2bd4723d96f304abba93140dc206Owen Anderson StringRef SymName; 603481837a743be2bd4723d96f304abba93140dc206Owen Anderson uint64_t Addr; 6047d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson Relocs[j].second.getAddress(Addr); 6057d3f8b8e48854b890762ccb96f7817568541732bOwen Anderson Relocs[j].second.getName(SymName); 606481837a743be2bd4723d96f304abba93140dc206Owen Anderson 607481837a743be2bd4723d96f304abba93140dc206Owen Anderson outs() << "\t# " << SymName << ' '; 608481837a743be2bd4723d96f304abba93140dc206Owen Anderson DumpAddress(Addr, Sections, MachOObj, outs()); 6090b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 610a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer 611a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // If this instructions contains an address, see if we can evaluate 612a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer // it and print additional information. 6130b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer uint64_t targ = InstrAnalysis->evaluateBranch(Inst.Inst, 6140b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer Inst.Address, 6150b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer Inst.Size); 6160b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer if (targ != -1ULL) 617481837a743be2bd4723d96f304abba93140dc206Owen Anderson DumpAddress(targ, Sections, MachOObj, outs()); 6180b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 6198c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Print debug info. 6208c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (diContext) { 6218c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer DILineInfo dli = 622481837a743be2bd4723d96f304abba93140dc206Owen Anderson diContext->getLineInfoForAddress(SectAddress + Inst.Address); 6238c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer // Print valid line info if it changed. 6248c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer if (dli != lastLine && dli.getLine() != 0) 6258c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer outs() << "\t## " << dli.getFileName() << ':' 6268c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer << dli.getLine() << ':' << dli.getColumn(); 6278c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer lastLine = dli; 6288c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer } 6298c93097c4c5e6dddc8c239295a1b42217b082ad3Benjamin Kramer 6300b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer outs() << '\n'; 6310b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 6320b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 6330b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer 634a894c8e34453493a9d3fb2ffbbc21151c3965b63Benjamin Kramer emitDOTFile((f.getName().str() + ".dot").c_str(), f, IP.get()); 6350b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 6360b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 6370b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer } 6380b8b771e9f2f251460a6f200c45efe9d55640d60Benjamin Kramer} 639