//
//===----------------------------------------------------------------------===//
+#include "llvm-objdump.h"
+#include "MCFunction.h"
#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/ADT/OwningPtr.h"
#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCDisassembler.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCInstrAnalysis.h"
+#include "llvm/MC/MCInstrDesc.h"
+#include "llvm/MC/MCInstrInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.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/MemoryBuffer.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.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/TargetRegistry.h"
-#include "llvm/Target/TargetSelect.h"
#include <algorithm>
-#include <cctype>
-#include <cerrno>
#include <cstring>
-#include <vector>
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);
+
+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<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>
+MachO("macho", cl::desc("Use MachO specific object file parser"));
+static cl::alias
+MachOm("m", cl::desc("Alias for --macho"), cl::aliasopt(MachO));
- cl::opt<std::string>
- TripleName("triple", cl::desc("Target triple to disassemble for, "
+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"));
- cl::opt<std::string>
- ArchName("arch", cl::desc("Target arch to disassemble for, "
- "see -version for available targets"));
+static StringRef ToolName;
+
+static bool error(error_code ec) {
+ if (!ec) return false;
- StringRef ToolName;
+ outs() << ToolName << ": error reading file: " << ec.message() << ".\n";
+ outs().flush();
+ return true;
}
static const Target *GetTarget(const ObjectFile *Obj = NULL) {
// Figure out the target triple.
llvm::Triple TT("unknown-unknown-unknown");
- if (TripleName.empty())
+ if (TripleName.empty()) {
if (Obj)
TT.setArch(Triple::ArchType(Obj->getArch()));
- else
+ } else
TT.setTriple(Triple::normalize(TripleName));
if (!ArchName.empty())
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];
- return 0;
- }
-};
-}
-
-static void DumpBytes(StringRef bytes) {
- static char hex_rep[] = "0123456789abcdef";
+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) {
+void llvm::DisassembleInputLibObject(StringRef Filename) {
OwningPtr<MemoryBuffer> Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
// GetTarget prints out stuff.
return;
}
+ const MCInstrInfo *InstrInfo = TheTarget->createMCInstrInfo();
+ OwningPtr<MCInstrAnalysis>
+ InstrAnalysis(TheTarget->createMCInstrAnalysis(InstrInfo));
outs() << '\n';
outs() << Filename
- << ":\tfile format " << Obj->getFileFormatName() << "\n\n\n";
+ << ":\tfile format " << Obj->getFileFormatName() << "\n\n";
+ error_code ec;
for (ObjectFile::section_iterator i = Obj->begin_sections(),
e = Obj->end_sections();
- i != e; ++i) {
- if (!i->isText())
- continue;
- outs() << "Disassembly of section " << i->getName() << ":\n\n";
+ i != e; i.increment(ec)) {
+ if (error(ec)) break;
+ bool text;
+ if (error(i->isText(text))) break;
+ if (!text) continue;
+
+ // Make a list of all the symbols in this section.
+ std::vector<std::pair<uint64_t, StringRef> > Symbols;
+ for (ObjectFile::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->getOffset(Address))) break;
+ 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());
+
+ StringRef name;
+ if (error(i->getName(name))) break;
+ outs() << "Disassembly of section " << 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, "", ""));
+
+ 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;
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
- AsmPrinterVariant, *AsmInfo));
+ AsmPrinterVariant, *AsmInfo, *STI));
if (!IP) {
errs() << "error: no instruction printer for target " << TripleName << '\n';
return;
}
- StringRef Bytes = i->getContents();
+ StringRef Bytes;
+ if (error(i->getContents(Bytes))) break;
StringRefMemoryObject memoryObject(Bytes);
uint64_t Size;
uint64_t Index;
-
- 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)) {
- outs() << format("%8x:\t", i->getAddress() + 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
+ uint64_t SectSize;
+ if (error(i->getSize(SectSize))) break;
+
+ // Disassemble symbol by symbol.
+ for (unsigned si = 0, se = Symbols.size(); si != se; ++si) {
+ uint64_t Start = Symbols[si].first;
+ uint64_t End = si == se-1 ? SectSize : Symbols[si + 1].first - 1;
+ 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())) {
+ 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
+ }
}
}
}
// 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();
return 2;
}
- std::for_each(InputFilenames.begin(), InputFilenames.end(),
- DisassembleInput);
+ if (MachO)
+ std::for_each(InputFilenames.begin(), InputFilenames.end(),
+ DisassembleInputMachO);
+ else
+ std::for_each(InputFilenames.begin(), InputFilenames.end(),
+ DisassembleInputLibObject);
return 0;
}