// dumps out a plethora of information about an object file depending on the
// flags.
//
+// The flags and output of this program should be near identical to those of
+// binutils objdump.
+//
//===----------------------------------------------------------------------===//
-#include "llvm/Object/ObjectFile.h"
-// This config must be included before llvm-config.h.
-#include "llvm/Config/config.h"
-#include "../../lib/MC/MCDisassembler/EDDisassembler.h"
-#include "../../lib/MC/MCDisassembler/EDInst.h"
-#include "../../lib/MC/MCDisassembler/EDOperand.h"
-#include "../../lib/MC/MCDisassembler/EDToken.h"
+#include "llvm-objdump.h"
+#include "MCFunction.h"
#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Triple.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/Object/Archive.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/MachO.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
+#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/system_error.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetSelect.h"
#include <algorithm>
#include <cctype>
-#include <cerrno>
#include <cstring>
using namespace llvm;
using namespace object;
-namespace {
- cl::list<std::string>
- InputFilenames(cl::Positional, cl::desc("<input object files>"),
- cl::ZeroOrMore);
+static cl::list<std::string>
+InputFilenames(cl::Positional, cl::desc("<input object files>"),cl::ZeroOrMore);
- cl::opt<bool>
- Disassemble("disassemble",
- cl::desc("Display assembler mnemonics for the machine instructions"));
- cl::alias
- Disassembled("d", cl::desc("Alias for --disassemble"),
- cl::aliasopt(Disassemble));
+static cl::opt<bool>
+Disassemble("disassemble",
+ cl::desc("Display assembler mnemonics for the machine instructions"));
+static cl::alias
+Disassembled("d", cl::desc("Alias for --disassemble"),
+ cl::aliasopt(Disassemble));
- cl::opt<std::string>
- TripleName("triple", cl::desc("Target triple to disassemble for, "
- "see -version for available targets"));
+static cl::opt<bool>
+Relocations("r", cl::desc("Display the relocation entries in the file"));
- cl::opt<std::string>
- ArchName("arch", cl::desc("Target arch to disassemble for, "
- "see -version for available targets"));
+static cl::opt<bool>
+SectionContents("s", cl::desc("Display the content of each section"));
- StringRef ToolName;
+static cl::opt<bool>
+SymbolTable("t", cl::desc("Display the symbol table"));
- bool error(error_code ec) {
- if (!ec) return false;
+static cl::opt<bool>
+MachOOpt("macho", cl::desc("Use MachO specific object file parser"));
+static cl::alias
+MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachOOpt));
- outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
- outs().flush();
- return true;
- }
+cl::opt<std::string>
+llvm::TripleName("triple", cl::desc("Target triple to disassemble for, "
+ "see -version for available targets"));
+
+cl::opt<std::string>
+llvm::ArchName("arch", cl::desc("Target arch to disassemble for, "
+ "see -version for available targets"));
+
+static cl::opt<bool>
+SectionHeaders("section-headers", cl::desc("Display summaries of the headers "
+ "for each section."));
+static cl::alias
+SectionHeadersShort("headers", cl::desc("Alias for --section-headers"),
+ cl::aliasopt(SectionHeaders));
+static cl::alias
+SectionHeadersShorter("h", cl::desc("Alias for --section-headers"),
+ cl::aliasopt(SectionHeaders));
+
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
+static cl::opt<bool>
+NoShowRawInsn("no-show-raw-insn", cl::desc("When disassembling instructions, "
+ "do not print the instruction bytes."));
+
+static cl::opt<bool>
+UnwindInfo("unwind-info", cl::desc("Display unwind information"));
+
+static cl::alias
+UnwindInfoShort("u", cl::desc("Alias for --unwind-info"),
+ cl::aliasopt(UnwindInfo));
+
+static cl::opt<bool>
+PrivateHeaders("private-headers",
+ cl::desc("Display format specific file headers"));
+
+static cl::alias
+PrivateHeadersShort("p", cl::desc("Alias for --private-headers"),
+ cl::aliasopt(PrivateHeaders));
+
+static StringRef ToolName;
+
+bool llvm::error(error_code ec) {
+ if (!ec) return false;
+
+ outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
+ outs().flush();
+ return true;
}
-static const Target *GetTarget(const ObjectFile *Obj = NULL) {
+static const Target *getTarget(const ObjectFile *Obj = NULL) {
// Figure out the target triple.
- llvm::Triple TT("unknown-unknown-unknown");
+ llvm::Triple TheTriple("unknown-unknown-unknown");
if (TripleName.empty()) {
if (Obj)
- TT.setArch(Triple::ArchType(Obj->getArch()));
+ TheTriple.setArch(Triple::ArchType(Obj->getArch()));
} else
- TT.setTriple(Triple::normalize(TripleName));
-
- if (!ArchName.empty())
- TT.setArchName(ArchName);
-
- TripleName = TT.str();
+ TheTriple.setTriple(Triple::normalize(TripleName));
// Get the target specific parser.
std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
- if (TheTarget)
- return TheTarget;
-
- errs() << ToolName << ": error: unable to get target for '" << TripleName
- << "', see --version and --triple.\n";
- return 0;
-}
-
-namespace {
-class StringRefMemoryObject : public MemoryObject {
-private:
- StringRef Bytes;
-public:
- StringRefMemoryObject(StringRef bytes) : Bytes(bytes) {}
-
- uint64_t getBase() const { return 0; }
- uint64_t getExtent() const { return Bytes.size(); }
-
- int readByte(uint64_t Addr, uint8_t *Byte) const {
- if (Addr > getExtent())
- return -1;
- *Byte = Bytes[Addr];
+ const Target *TheTarget = TargetRegistry::lookupTarget(ArchName, TheTriple,
+ Error);
+ if (!TheTarget) {
+ errs() << ToolName << ": " << Error;
return 0;
}
-};
+
+ // Update the triple name and return the found target.
+ TripleName = TheTriple.getTriple();
+ return TheTarget;
}
-static void DumpBytes(StringRef bytes) {
- static char hex_rep[] = "0123456789abcdef";
+void llvm::StringRefMemoryObject::anchor() { }
+
+void llvm::DumpBytes(StringRef bytes) {
+ static const char hex_rep[] = "0123456789abcdef";
// FIXME: The real way to do this is to figure out the longest instruction
// and align to that size before printing. I'll fix this when I get
// around to outputting relocations.
outs() << output;
}
-static void DisassembleInput(const StringRef &Filename) {
- OwningPtr<MemoryBuffer> Buff;
-
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
- errs() << ToolName << ": " << Filename << ": " << ec.message() << "\n";
- return;
- }
+bool llvm::RelocAddressLess(RelocationRef a, RelocationRef b) {
+ uint64_t a_addr, b_addr;
+ if (error(a.getAddress(a_addr))) return false;
+ if (error(b.getAddress(b_addr))) return false;
+ return a_addr < b_addr;
+}
- OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take()));
+StringRef
+getSectionFinalSegmentName(const MachOObjectFileBase *MachO, DataRefImpl DR) {
+ if (const MachOObjectFileLE *O = dyn_cast<MachOObjectFileLE>(MachO))
+ return O->getSectionFinalSegmentName(DR);
+ const MachOObjectFileBE *O = dyn_cast<MachOObjectFileBE>(MachO);
+ return O->getSectionFinalSegmentName(DR);
+}
- const Target *TheTarget = GetTarget(Obj.get());
- if (!TheTarget) {
- // GetTarget prints out stuff.
+static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
+ const Target *TheTarget = getTarget(Obj);
+ // getTarget() will have already issued a diagnostic if necessary, so
+ // just bail here if it failed.
+ if (!TheTarget)
return;
- }
- outs() << '\n';
- outs() << Filename
- << ":\tfile format " << Obj->getFileFormatName() << "\n\n\n";
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size()) {
+ SubtargetFeatures Features;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
+ }
error_code ec;
- for (ObjectFile::section_iterator i = Obj->begin_sections(),
- e = Obj->end_sections();
- i != e; i.increment(ec)) {
+ for (section_iterator i = Obj->begin_sections(),
+ e = Obj->end_sections();
+ i != e; i.increment(ec)) {
if (error(ec)) break;
bool text;
if (error(i->isText(text))) break;
if (!text) continue;
+ uint64_t SectionAddr;
+ if (error(i->getAddress(SectionAddr))) break;
+
+ // Make a list of all the symbols in this section.
+ std::vector<std::pair<uint64_t, StringRef> > Symbols;
+ for (symbol_iterator si = Obj->begin_symbols(),
+ se = Obj->end_symbols();
+ si != se; si.increment(ec)) {
+ bool contains;
+ if (!error(i->containsSymbol(*si, contains)) && contains) {
+ uint64_t Address;
+ if (error(si->getAddress(Address))) break;
+ if (Address == UnknownAddressOrSize) continue;
+ Address -= SectionAddr;
+
+ StringRef Name;
+ if (error(si->getName(Name))) break;
+ Symbols.push_back(std::make_pair(Address, Name));
+ }
+ }
+
+ // Sort the symbols by address, just in case they didn't come in that way.
+ array_pod_sort(Symbols.begin(), Symbols.end());
+
+ // Make a list of all the relocations for this section.
+ std::vector<RelocationRef> Rels;
+ if (InlineRelocs) {
+ for (relocation_iterator ri = i->begin_relocations(),
+ re = i->end_relocations();
+ ri != re; ri.increment(ec)) {
+ if (error(ec)) break;
+ Rels.push_back(*ri);
+ }
+ }
+
+ // Sort relocations by address.
+ std::sort(Rels.begin(), Rels.end(), RelocAddressLess);
+
+ StringRef SegmentName = "";
+ if (const MachOObjectFileBase *MachO =
+ dyn_cast<const MachOObjectFileBase>(Obj)) {
+ DataRefImpl DR = i->getRawDataRefImpl();
+ SegmentName = getSectionFinalSegmentName(MachO, DR);
+ }
StringRef name;
if (error(i->getName(name))) break;
- outs() << "Disassembly of section " << name << ":\n\n";
+ outs() << "Disassembly of section ";
+ if (!SegmentName.empty())
+ outs() << SegmentName << ",";
+ outs() << name << ':';
+
+ // If the section has no symbols just insert a dummy one and disassemble
+ // the whole section.
+ if (Symbols.empty())
+ Symbols.push_back(std::make_pair(0, name));
// Set up disassembler.
- OwningPtr<const MCAsmInfo> AsmInfo(TheTarget->createAsmInfo(TripleName));
+ OwningPtr<const MCAsmInfo> AsmInfo(TheTarget->createMCAsmInfo(TripleName));
if (!AsmInfo) {
errs() << "error: no assembly info for target " << TripleName << "\n";
return;
}
- OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler());
+ OwningPtr<const MCSubtargetInfo> STI(
+ TheTarget->createMCSubtargetInfo(TripleName, "", FeaturesStr));
+
+ if (!STI) {
+ errs() << "error: no subtarget info for target " << TripleName << "\n";
+ return;
+ }
+
+ OwningPtr<const MCDisassembler> DisAsm(
+ TheTarget->createMCDisassembler(*STI));
if (!DisAsm) {
errs() << "error: no disassembler for target " << TripleName << "\n";
return;
}
- // FIXME: We shouldn't need to do this (and link in codegen).
- // When we split this out, we should do it in a way that makes
- // it straightforward to switch subtargets on the fly (.e.g,
- // the .cpu and .code16 directives).
- std::string FeaturesStr;
- OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName,
- FeaturesStr));
- if (!TM) {
- errs() << "error: could not create target for triple " << TripleName << "\n";
+ OwningPtr<const MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
+ if (!MRI) {
+ errs() << "error: no register info for target " << TripleName << "\n";
+ return;
+ }
+
+ OwningPtr<const MCInstrInfo> MII(TheTarget->createMCInstrInfo());
+ if (!MII) {
+ errs() << "error: no instruction info for target " << TripleName << "\n";
return;
}
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
- *TM, AsmPrinterVariant, *AsmInfo));
+ AsmPrinterVariant, *AsmInfo, *MII, *MRI, *STI));
if (!IP) {
- errs() << "error: no instruction printer for target " << TripleName << '\n';
+ errs() << "error: no instruction printer for target " << TripleName
+ << '\n';
return;
}
StringRefMemoryObject memoryObject(Bytes);
uint64_t Size;
uint64_t Index;
+ uint64_t SectSize;
+ if (error(i->getSize(SectSize))) break;
+
+ std::vector<RelocationRef>::const_iterator rel_cur = Rels.begin();
+ std::vector<RelocationRef>::const_iterator rel_end = Rels.end();
+ // Disassemble symbol by symbol.
+ for (unsigned si = 0, se = Symbols.size(); si != se; ++si) {
+ uint64_t Start = Symbols[si].first;
+ uint64_t End;
+ // The end is either the size of the section or the beginning of the next
+ // symbol.
+ if (si == se - 1)
+ End = SectSize;
+ // Make sure this symbol takes up space.
+ else if (Symbols[si + 1].first != Start)
+ End = Symbols[si + 1].first - 1;
+ else
+ // This symbol has the same address as the next symbol. Skip it.
+ continue;
+
+ outs() << '\n' << Symbols[si].second << ":\n";
+
+#ifndef NDEBUG
+ raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
+#else
+ raw_ostream &DebugOut = nulls();
+#endif
+
+ for (Index = Start; Index < End; Index += Size) {
+ MCInst Inst;
+
+ if (DisAsm->getInstruction(Inst, Size, memoryObject, Index,
+ DebugOut, nulls())) {
+ outs() << format("%8" PRIx64 ":", SectionAddr + Index);
+ if (!NoShowRawInsn) {
+ outs() << "\t";
+ DumpBytes(StringRef(Bytes.data() + Index, Size));
+ }
+ IP->printInst(&Inst, outs(), "");
+ outs() << "\n";
+ } else {
+ errs() << ToolName << ": warning: invalid instruction encoding\n";
+ if (Size == 0)
+ Size = 1; // skip illegible bytes
+ }
+
+ // Print relocation for instruction.
+ while (rel_cur != rel_end) {
+ bool hidden = false;
+ uint64_t addr;
+ SmallString<16> name;
+ SmallString<32> val;
+
+ // If this relocation is hidden, skip it.
+ if (error(rel_cur->getHidden(hidden))) goto skip_print_rel;
+ if (hidden) goto skip_print_rel;
+
+ if (error(rel_cur->getAddress(addr))) goto skip_print_rel;
+ // Stop when rel_cur's address is past the current instruction.
+ if (addr >= Index + Size) break;
+ if (error(rel_cur->getTypeName(name))) goto skip_print_rel;
+ if (error(rel_cur->getValueString(val))) goto skip_print_rel;
+
+ outs() << format("\t\t\t%8" PRIx64 ": ", SectionAddr + addr) << name
+ << "\t" << val << "\n";
+
+ skip_print_rel:
+ ++rel_cur;
+ }
+ }
+ }
+ }
+}
- for (Index = 0; Index < Bytes.size(); Index += Size) {
- MCInst Inst;
-
-# ifndef NDEBUG
- raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
-# else
- raw_ostream &DebugOut = nulls();
-# endif
-
- if (DisAsm->getInstruction(Inst, Size, memoryObject, Index, DebugOut)) {
- uint64_t addr;
- if (error(i->getAddress(addr))) break;
- outs() << format("%8x:\t", addr + Index);
- DumpBytes(StringRef(Bytes.data() + Index, Size));
- IP->printInst(&Inst, outs());
- outs() << "\n";
- } else {
- errs() << ToolName << ": warning: invalid instruction encoding\n";
- if (Size == 0)
- Size = 1; // skip illegible bytes
+static void PrintRelocations(const ObjectFile *o) {
+ error_code ec;
+ for (section_iterator si = o->begin_sections(), se = o->end_sections();
+ si != se; si.increment(ec)){
+ if (error(ec)) return;
+ if (si->begin_relocations() == si->end_relocations())
+ continue;
+ StringRef secname;
+ if (error(si->getName(secname))) continue;
+ outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n";
+ for (relocation_iterator ri = si->begin_relocations(),
+ re = si->end_relocations();
+ ri != re; ri.increment(ec)) {
+ if (error(ec)) return;
+
+ bool hidden;
+ uint64_t address;
+ SmallString<32> relocname;
+ SmallString<32> valuestr;
+ if (error(ri->getHidden(hidden))) continue;
+ if (hidden) continue;
+ if (error(ri->getTypeName(relocname))) continue;
+ if (error(ri->getAddress(address))) continue;
+ if (error(ri->getValueString(valuestr))) continue;
+ outs() << address << " " << relocname << " " << valuestr << "\n";
+ }
+ outs() << "\n";
+ }
+}
+
+static void PrintSectionHeaders(const ObjectFile *o) {
+ outs() << "Sections:\n"
+ "Idx Name Size Address Type\n";
+ error_code ec;
+ unsigned i = 0;
+ for (section_iterator si = o->begin_sections(), se = o->end_sections();
+ si != se; si.increment(ec)) {
+ if (error(ec)) return;
+ StringRef Name;
+ if (error(si->getName(Name))) return;
+ uint64_t Address;
+ if (error(si->getAddress(Address))) return;
+ uint64_t Size;
+ if (error(si->getSize(Size))) return;
+ bool Text, Data, BSS;
+ if (error(si->isText(Text))) return;
+ if (error(si->isData(Data))) return;
+ if (error(si->isBSS(BSS))) return;
+ std::string Type = (std::string(Text ? "TEXT " : "") +
+ (Data ? "DATA " : "") + (BSS ? "BSS" : ""));
+ outs() << format("%3d %-13s %08" PRIx64 " %016" PRIx64 " %s\n",
+ i, Name.str().c_str(), Size, Address, Type.c_str());
+ ++i;
+ }
+}
+
+static void PrintSectionContents(const ObjectFile *o) {
+ error_code ec;
+ for (section_iterator si = o->begin_sections(),
+ se = o->end_sections();
+ si != se; si.increment(ec)) {
+ if (error(ec)) return;
+ StringRef Name;
+ StringRef Contents;
+ uint64_t BaseAddr;
+ bool BSS;
+ if (error(si->getName(Name))) continue;
+ if (error(si->getContents(Contents))) continue;
+ if (error(si->getAddress(BaseAddr))) continue;
+ if (error(si->isBSS(BSS))) continue;
+
+ outs() << "Contents of section " << Name << ":\n";
+ if (BSS) {
+ outs() << format("<skipping contents of bss section at [%04" PRIx64
+ ", %04" PRIx64 ")>\n", BaseAddr,
+ BaseAddr + Contents.size());
+ continue;
+ }
+
+ // Dump out the content as hex and printable ascii characters.
+ for (std::size_t addr = 0, end = Contents.size(); addr < end; addr += 16) {
+ outs() << format(" %04" PRIx64 " ", BaseAddr + addr);
+ // Dump line of hex.
+ for (std::size_t i = 0; i < 16; ++i) {
+ if (i != 0 && i % 4 == 0)
+ outs() << ' ';
+ if (addr + i < end)
+ outs() << hexdigit((Contents[addr + i] >> 4) & 0xF, true)
+ << hexdigit(Contents[addr + i] & 0xF, true);
+ else
+ outs() << " ";
+ }
+ // Print ascii.
+ outs() << " ";
+ for (std::size_t i = 0; i < 16 && addr + i < end; ++i) {
+ if (std::isprint(static_cast<unsigned char>(Contents[addr + i]) & 0xFF))
+ outs() << Contents[addr + i];
+ else
+ outs() << ".";
+ }
+ outs() << "\n";
+ }
+ }
+}
+
+static void PrintCOFFSymbolTable(const COFFObjectFile *coff) {
+ const coff_file_header *header;
+ if (error(coff->getHeader(header))) return;
+ int aux_count = 0;
+ const coff_symbol *symbol = 0;
+ for (int i = 0, e = header->NumberOfSymbols; i != e; ++i) {
+ if (aux_count--) {
+ // Figure out which type of aux this is.
+ if (symbol->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC
+ && symbol->Value == 0) { // Section definition.
+ const coff_aux_section_definition *asd;
+ if (error(coff->getAuxSymbol<coff_aux_section_definition>(i, asd)))
+ return;
+ outs() << "AUX "
+ << format("scnlen 0x%x nreloc %d nlnno %d checksum 0x%x "
+ , unsigned(asd->Length)
+ , unsigned(asd->NumberOfRelocations)
+ , unsigned(asd->NumberOfLinenumbers)
+ , unsigned(asd->CheckSum))
+ << format("assoc %d comdat %d\n"
+ , unsigned(asd->Number)
+ , unsigned(asd->Selection));
+ } else
+ outs() << "AUX Unknown\n";
+ } else {
+ StringRef name;
+ if (error(coff->getSymbol(i, symbol))) return;
+ if (error(coff->getSymbolName(symbol, name))) return;
+ outs() << "[" << format("%2d", i) << "]"
+ << "(sec " << format("%2d", int(symbol->SectionNumber)) << ")"
+ << "(fl 0x00)" // Flag bits, which COFF doesn't have.
+ << "(ty " << format("%3x", unsigned(symbol->Type)) << ")"
+ << "(scl " << format("%3x", unsigned(symbol->StorageClass)) << ") "
+ << "(nx " << unsigned(symbol->NumberOfAuxSymbols) << ") "
+ << "0x" << format("%08x", unsigned(symbol->Value)) << " "
+ << name << "\n";
+ aux_count = symbol->NumberOfAuxSymbols;
+ }
+ }
+}
+
+static void PrintSymbolTable(const ObjectFile *o) {
+ outs() << "SYMBOL TABLE:\n";
+
+ if (const COFFObjectFile *coff = dyn_cast<const COFFObjectFile>(o))
+ PrintCOFFSymbolTable(coff);
+ else {
+ error_code ec;
+ for (symbol_iterator si = o->begin_symbols(),
+ se = o->end_symbols(); si != se; si.increment(ec)) {
+ if (error(ec)) return;
+ StringRef Name;
+ uint64_t Address;
+ SymbolRef::Type Type;
+ uint64_t Size;
+ uint32_t Flags;
+ section_iterator Section = o->end_sections();
+ if (error(si->getName(Name))) continue;
+ if (error(si->getAddress(Address))) continue;
+ if (error(si->getFlags(Flags))) continue;
+ if (error(si->getType(Type))) continue;
+ if (error(si->getSize(Size))) continue;
+ if (error(si->getSection(Section))) continue;
+
+ bool Global = Flags & SymbolRef::SF_Global;
+ bool Weak = Flags & SymbolRef::SF_Weak;
+ bool Absolute = Flags & SymbolRef::SF_Absolute;
+
+ if (Address == UnknownAddressOrSize)
+ Address = 0;
+ if (Size == UnknownAddressOrSize)
+ Size = 0;
+ char GlobLoc = ' ';
+ if (Type != SymbolRef::ST_Unknown)
+ GlobLoc = Global ? 'g' : 'l';
+ char Debug = (Type == SymbolRef::ST_Debug || Type == SymbolRef::ST_File)
+ ? 'd' : ' ';
+ char FileFunc = ' ';
+ if (Type == SymbolRef::ST_File)
+ FileFunc = 'f';
+ else if (Type == SymbolRef::ST_Function)
+ FileFunc = 'F';
+
+ const char *Fmt = o->getBytesInAddress() > 4 ? "%016" PRIx64 :
+ "%08" PRIx64;
+
+ outs() << format(Fmt, Address) << " "
+ << GlobLoc // Local -> 'l', Global -> 'g', Neither -> ' '
+ << (Weak ? 'w' : ' ') // Weak?
+ << ' ' // Constructor. Not supported yet.
+ << ' ' // Warning. Not supported yet.
+ << ' ' // Indirect reference to another symbol.
+ << Debug // Debugging (d) or dynamic (D) symbol.
+ << FileFunc // Name of function (F), file (f) or object (O).
+ << ' ';
+ if (Absolute)
+ outs() << "*ABS*";
+ else if (Section == o->end_sections())
+ outs() << "*UND*";
+ else {
+ if (const MachOObjectFileBase *MachO =
+ dyn_cast<const MachOObjectFileBase>(o)) {
+ DataRefImpl DR = Section->getRawDataRefImpl();
+ StringRef SegmentName = getSectionFinalSegmentName(MachO, DR);
+ outs() << SegmentName << ",";
+ }
+ StringRef SectionName;
+ if (error(Section->getName(SectionName)))
+ SectionName = "";
+ outs() << SectionName;
}
+ outs() << '\t'
+ << format("%08" PRIx64 " ", Size)
+ << Name
+ << '\n';
}
}
}
+static void PrintUnwindInfo(const ObjectFile *o) {
+ outs() << "Unwind info:\n\n";
+
+ if (const COFFObjectFile *coff = dyn_cast<COFFObjectFile>(o)) {
+ printCOFFUnwindInfo(coff);
+ } else {
+ // TODO: Extract DWARF dump tool to objdump.
+ errs() << "This operation is only currently supported "
+ "for COFF object files.\n";
+ return;
+ }
+}
+
+static void DumpObject(const ObjectFile *o) {
+ outs() << '\n';
+ outs() << o->getFileName()
+ << ":\tfile format " << o->getFileFormatName() << "\n\n";
+
+ if (Disassemble)
+ DisassembleObject(o, Relocations);
+ if (Relocations && !Disassemble)
+ PrintRelocations(o);
+ if (SectionHeaders)
+ PrintSectionHeaders(o);
+ if (SectionContents)
+ PrintSectionContents(o);
+ if (SymbolTable)
+ PrintSymbolTable(o);
+ if (UnwindInfo)
+ PrintUnwindInfo(o);
+ if (PrivateHeaders && o->isELF())
+ printELFFileHeader(o);
+}
+
+/// @brief Dump each object file in \a a;
+static void DumpArchive(const Archive *a) {
+ for (Archive::child_iterator i = a->begin_children(),
+ e = a->end_children(); i != e; ++i) {
+ OwningPtr<Binary> child;
+ if (error_code ec = i->getAsBinary(child)) {
+ // Ignore non-object files.
+ if (ec != object_error::invalid_file_type)
+ errs() << ToolName << ": '" << a->getFileName() << "': " << ec.message()
+ << ".\n";
+ continue;
+ }
+ if (ObjectFile *o = dyn_cast<ObjectFile>(child.get()))
+ DumpObject(o);
+ else
+ errs() << ToolName << ": '" << a->getFileName() << "': "
+ << "Unrecognized file type.\n";
+ }
+}
+
+/// @brief Open file and figure out how to dump it.
+static void DumpInput(StringRef file) {
+ // If file isn't stdin, check that it exists.
+ if (file != "-" && !sys::fs::exists(file)) {
+ errs() << ToolName << ": '" << file << "': " << "No such file\n";
+ return;
+ }
+
+ if (MachOOpt && Disassemble) {
+ DisassembleInputMachO(file);
+ return;
+ }
+
+ // Attempt to open the binary.
+ OwningPtr<Binary> binary;
+ if (error_code ec = createBinary(file, binary)) {
+ errs() << ToolName << ": '" << file << "': " << ec.message() << ".\n";
+ return;
+ }
+
+ if (Archive *a = dyn_cast<Archive>(binary.get()))
+ DumpArchive(a);
+ else if (ObjectFile *o = dyn_cast<ObjectFile>(binary.get()))
+ DumpObject(o);
+ else
+ errs() << ToolName << ": '" << file << "': " << "Unrecognized file type.\n";
+}
+
int main(int argc, char **argv) {
// Print a stack trace if we signal out.
sys::PrintStackTraceOnErrorSignal();
// Initialize targets and assembly printers/parsers.
llvm::InitializeAllTargetInfos();
- // FIXME: We shouldn't need to initialize the Target(Machine)s.
- llvm::InitializeAllTargets();
- llvm::InitializeAllAsmPrinters();
+ llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();
+ // Register the target printer for --version.
+ cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
cl::ParseCommandLineOptions(argc, argv, "llvm object file dumper\n");
TripleName = Triple::normalize(TripleName);
if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out");
- // -d is the only flag that is currently implemented, so just print help if
- // it is not set.
- if (!Disassemble) {
+ if (!Disassemble
+ && !Relocations
+ && !SectionHeaders
+ && !SectionContents
+ && !SymbolTable
+ && !UnwindInfo
+ && !PrivateHeaders) {
cl::PrintHelpMessage();
return 2;
}
std::for_each(InputFilenames.begin(), InputFilenames.end(),
- DisassembleInput);
+ DumpInput);
return 0;
}
projects / oota-llvm.git / blobdiff