2003-10-16 04:43:15 +00:00
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//===-- llvm-nm.cpp - Symbol table dumping utility for llvm ---------------===//
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2005-04-22 00:00:37 +00:00
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//
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2003-10-20 17:47:21 +00:00
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 20:44:31 +00:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-04-22 00:00:37 +00:00
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//
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2003-10-20 17:47:21 +00:00
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//===----------------------------------------------------------------------===//
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2003-10-16 04:43:15 +00:00
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//
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2012-06-06 23:34:10 +00:00
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// This program is a utility that works like traditional Unix "nm", that is, it
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// prints out the names of symbols in a bitcode or object file, along with some
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// information about each symbol.
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2005-04-22 00:00:37 +00:00
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//
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2012-06-06 23:34:10 +00:00
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// This "nm" supports many of the features of GNU "nm", including its different
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// output formats.
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2003-10-16 04:43:15 +00:00
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//
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//===----------------------------------------------------------------------===//
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2013-01-02 11:36:10 +00:00
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#include "llvm/IR/LLVMContext.h"
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2012-12-04 10:44:52 +00:00
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#include "llvm/Bitcode/ReaderWriter.h"
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2013-01-02 11:36:10 +00:00
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#include "llvm/IR/Module.h"
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2011-09-27 19:37:18 +00:00
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#include "llvm/Object/Archive.h"
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2013-11-02 21:16:09 +00:00
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#include "llvm/Object/COFF.h"
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#include "llvm/Object/ELFObjectFile.h"
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#include "llvm/Object/MachO.h"
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2013-06-18 15:03:28 +00:00
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#include "llvm/Object/MachOUniversal.h"
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2011-01-20 06:38:57 +00:00
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#include "llvm/Object/ObjectFile.h"
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2004-09-01 22:55:40 +00:00
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#include "llvm/Support/CommandLine.h"
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2011-01-20 06:38:57 +00:00
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#include "llvm/Support/FileSystem.h"
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2012-12-04 10:44:52 +00:00
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#include "llvm/Support/Format.h"
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2006-12-06 01:18:01 +00:00
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#include "llvm/Support/ManagedStatic.h"
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2007-05-06 05:36:18 +00:00
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#include "llvm/Support/MemoryBuffer.h"
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2009-03-06 05:34:10 +00:00
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#include "llvm/Support/PrettyStackTrace.h"
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2011-12-13 23:17:29 +00:00
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#include "llvm/Support/Program.h"
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2010-11-29 18:16:10 +00:00
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#include "llvm/Support/Signals.h"
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2012-12-04 10:44:52 +00:00
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#include "llvm/Support/raw_ostream.h"
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2010-12-09 17:36:48 +00:00
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#include "llvm/Support/system_error.h"
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2007-03-05 00:00:42 +00:00
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#include <algorithm>
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2003-10-16 04:43:15 +00:00
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#include <cctype>
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2004-04-21 16:11:40 +00:00
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#include <cerrno>
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2003-11-19 21:52:09 +00:00
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#include <cstring>
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2011-01-20 06:38:57 +00:00
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#include <vector>
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2003-11-11 22:41:34 +00:00
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using namespace llvm;
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2011-01-20 06:38:57 +00:00
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using namespace object;
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2003-11-11 22:41:34 +00:00
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2003-10-16 04:43:15 +00:00
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namespace {
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enum OutputFormatTy { bsd, sysv, posix };
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cl::opt<OutputFormatTy>
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OutputFormat("format",
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cl::desc("Specify output format"),
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cl::values(clEnumVal(bsd, "BSD format"),
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clEnumVal(sysv, "System V format"),
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2005-04-22 00:00:37 +00:00
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clEnumVal(posix, "POSIX.2 format"),
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2004-07-16 00:08:28 +00:00
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clEnumValEnd), cl::init(bsd));
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2003-10-16 04:43:15 +00:00
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cl::alias OutputFormat2("f", cl::desc("Alias for --format"),
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cl::aliasopt(OutputFormat));
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2005-04-22 00:00:37 +00:00
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cl::list<std::string>
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2007-07-05 17:07:56 +00:00
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InputFilenames(cl::Positional, cl::desc("<input bitcode files>"),
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2003-10-16 18:45:23 +00:00
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cl::ZeroOrMore);
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2003-10-16 04:43:15 +00:00
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cl::opt<bool> UndefinedOnly("undefined-only",
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cl::desc("Show only undefined symbols"));
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cl::alias UndefinedOnly2("u", cl::desc("Alias for --undefined-only"),
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cl::aliasopt(UndefinedOnly));
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2012-02-28 00:40:37 +00:00
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cl::opt<bool> DynamicSyms("dynamic",
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cl::desc("Display the dynamic symbols instead "
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"of normal symbols."));
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cl::alias DynamicSyms2("D", cl::desc("Alias for --dynamic"),
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cl::aliasopt(DynamicSyms));
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2003-10-16 04:43:15 +00:00
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cl::opt<bool> DefinedOnly("defined-only",
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cl::desc("Show only defined symbols"));
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cl::opt<bool> ExternalOnly("extern-only",
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cl::desc("Show only external symbols"));
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cl::alias ExternalOnly2("g", cl::desc("Alias for --extern-only"),
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cl::aliasopt(ExternalOnly));
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cl::opt<bool> BSDFormat("B", cl::desc("Alias for --format=bsd"));
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cl::opt<bool> POSIXFormat("P", cl::desc("Alias for --format=posix"));
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2011-01-20 06:38:57 +00:00
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cl::opt<bool> PrintFileName("print-file-name",
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cl::desc("Precede each symbol with the object file it came from"));
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cl::alias PrintFileNameA("A", cl::desc("Alias for --print-file-name"),
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cl::aliasopt(PrintFileName));
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cl::alias PrintFileNameo("o", cl::desc("Alias for --print-file-name"),
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cl::aliasopt(PrintFileName));
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cl::opt<bool> DebugSyms("debug-syms",
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cl::desc("Show all symbols, even debugger only"));
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cl::alias DebugSymsa("a", cl::desc("Alias for --debug-syms"),
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cl::aliasopt(DebugSyms));
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cl::opt<bool> NumericSort("numeric-sort",
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cl::desc("Sort symbols by address"));
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cl::alias NumericSortn("n", cl::desc("Alias for --numeric-sort"),
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cl::aliasopt(NumericSort));
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cl::alias NumericSortv("v", cl::desc("Alias for --numeric-sort"),
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cl::aliasopt(NumericSort));
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cl::opt<bool> NoSort("no-sort",
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cl::desc("Show symbols in order encountered"));
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cl::alias NoSortp("p", cl::desc("Alias for --no-sort"),
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cl::aliasopt(NoSort));
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cl::opt<bool> PrintSize("print-size",
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cl::desc("Show symbol size instead of address"));
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cl::alias PrintSizeS("S", cl::desc("Alias for --print-size"),
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cl::aliasopt(PrintSize));
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cl::opt<bool> SizeSort("size-sort", cl::desc("Sort symbols by size"));
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2012-09-18 18:47:58 +00:00
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cl::opt<bool> WithoutAliases("without-aliases", cl::Hidden,
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cl::desc("Exclude aliases from output"));
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2012-11-13 18:38:42 +00:00
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cl::opt<bool> ArchiveMap("print-armap",
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cl::desc("Print the archive map"));
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cl::alias ArchiveMaps("s", cl::desc("Alias for --print-armap"),
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cl::aliasopt(ArchiveMap));
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2011-01-20 06:38:57 +00:00
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bool PrintAddress = true;
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2003-10-16 04:43:15 +00:00
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bool MultipleFiles = false;
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2013-07-03 15:46:03 +00:00
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bool HadError = false;
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2003-10-16 04:43:15 +00:00
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std::string ToolName;
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2006-05-24 17:04:05 +00:00
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}
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2003-10-16 04:43:15 +00:00
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2011-12-13 23:17:29 +00:00
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static void error(Twine message, Twine path = Twine()) {
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errs() << ToolName << ": " << path << ": " << message << ".\n";
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}
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static bool error(error_code ec, Twine path = Twine()) {
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if (ec) {
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error(ec.message(), path);
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2013-07-03 15:46:03 +00:00
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HadError = true;
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2011-12-13 23:17:29 +00:00
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return true;
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}
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return false;
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}
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2011-01-20 06:38:57 +00:00
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namespace {
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struct NMSymbol {
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uint64_t Address;
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uint64_t Size;
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char TypeChar;
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StringRef Name;
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};
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static bool CompareSymbolAddress(const NMSymbol &a, const NMSymbol &b) {
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if (a.Address < b.Address)
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return true;
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else if (a.Address == b.Address && a.Name < b.Name)
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return true;
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2012-11-13 19:39:55 +00:00
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else if (a.Address == b.Address && a.Name == b.Name && a.Size < b.Size)
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return true;
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2011-01-20 06:38:57 +00:00
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else
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return false;
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}
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static bool CompareSymbolSize(const NMSymbol &a, const NMSymbol &b) {
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if (a.Size < b.Size)
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return true;
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else if (a.Size == b.Size && a.Name < b.Name)
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return true;
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2012-11-13 19:39:55 +00:00
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else if (a.Size == b.Size && a.Name == b.Name && a.Address < b.Address)
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return true;
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2011-01-20 06:38:57 +00:00
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else
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return false;
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}
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static bool CompareSymbolName(const NMSymbol &a, const NMSymbol &b) {
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2012-11-13 19:39:55 +00:00
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if (a.Name < b.Name)
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return true;
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else if (a.Name == b.Name && a.Size < b.Size)
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return true;
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else if (a.Name == b.Name && a.Size == b.Size && a.Address < b.Address)
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return true;
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else
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return false;
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2011-01-20 06:38:57 +00:00
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}
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StringRef CurrentFilename;
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typedef std::vector<NMSymbol> SymbolListT;
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SymbolListT SymbolList;
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}
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static void SortAndPrintSymbolList() {
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if (!NoSort) {
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if (NumericSort)
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std::sort(SymbolList.begin(), SymbolList.end(), CompareSymbolAddress);
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else if (SizeSort)
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std::sort(SymbolList.begin(), SymbolList.end(), CompareSymbolSize);
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else
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std::sort(SymbolList.begin(), SymbolList.end(), CompareSymbolName);
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}
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if (OutputFormat == posix && MultipleFiles) {
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outs() << '\n' << CurrentFilename << ":\n";
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} else if (OutputFormat == bsd && MultipleFiles) {
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outs() << "\n" << CurrentFilename << ":\n";
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} else if (OutputFormat == sysv) {
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outs() << "\n\nSymbols from " << CurrentFilename << ":\n\n"
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<< "Name Value Class Type"
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<< " Size Line Section\n";
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}
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for (SymbolListT::iterator i = SymbolList.begin(),
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e = SymbolList.end(); i != e; ++i) {
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if ((i->TypeChar != 'U') && UndefinedOnly)
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continue;
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if ((i->TypeChar == 'U') && DefinedOnly)
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continue;
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if (SizeSort && !PrintAddress && i->Size == UnknownAddressOrSize)
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continue;
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char SymbolAddrStr[10] = "";
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char SymbolSizeStr[10] = "";
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if (OutputFormat == sysv || i->Address == object::UnknownAddressOrSize)
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strcpy(SymbolAddrStr, " ");
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if (OutputFormat == sysv)
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strcpy(SymbolSizeStr, " ");
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if (i->Address != object::UnknownAddressOrSize)
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2012-03-10 02:04:38 +00:00
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format("%08" PRIx64, i->Address).print(SymbolAddrStr,
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sizeof(SymbolAddrStr));
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2011-01-20 06:38:57 +00:00
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if (i->Size != object::UnknownAddressOrSize)
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2012-03-10 02:04:38 +00:00
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format("%08" PRIx64, i->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
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2011-01-20 06:38:57 +00:00
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if (OutputFormat == posix) {
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outs() << i->Name << " " << i->TypeChar << " "
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<< SymbolAddrStr << SymbolSizeStr << "\n";
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} else if (OutputFormat == bsd) {
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if (PrintAddress)
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outs() << SymbolAddrStr << ' ';
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if (PrintSize) {
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outs() << SymbolSizeStr;
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if (i->Size != object::UnknownAddressOrSize)
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outs() << ' ';
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}
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outs() << i->TypeChar << " " << i->Name << "\n";
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} else if (OutputFormat == sysv) {
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std::string PaddedName (i->Name);
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while (PaddedName.length () < 20)
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PaddedName += " ";
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outs() << PaddedName << "|" << SymbolAddrStr << "| "
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<< i->TypeChar
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<< " | |" << SymbolSizeStr << "| |\n";
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}
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}
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SymbolList.clear();
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}
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2006-12-06 01:18:01 +00:00
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static char TypeCharForSymbol(GlobalValue &GV) {
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2007-06-27 22:08:09 +00:00
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if (GV.isDeclaration()) return 'U';
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2006-12-06 01:18:01 +00:00
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if (GV.hasLinkOnceLinkage()) return 'C';
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2008-05-16 22:44:18 +00:00
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if (GV.hasCommonLinkage()) return 'C';
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2006-12-06 01:18:01 +00:00
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if (GV.hasWeakLinkage()) return 'W';
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2007-06-27 22:08:09 +00:00
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if (isa<Function>(GV) && GV.hasInternalLinkage()) return 't';
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2006-12-06 01:18:01 +00:00
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if (isa<Function>(GV)) return 'T';
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2007-06-27 22:08:09 +00:00
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if (isa<GlobalVariable>(GV) && GV.hasInternalLinkage()) return 'd';
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2006-12-06 01:18:01 +00:00
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if (isa<GlobalVariable>(GV)) return 'D';
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2007-06-27 22:08:09 +00:00
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if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(&GV)) {
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const GlobalValue *AliasedGV = GA->getAliasedGlobal();
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if (isa<Function>(AliasedGV)) return 'T';
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if (isa<GlobalVariable>(AliasedGV)) return 'D';
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}
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return '?';
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2003-10-16 04:43:15 +00:00
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}
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2006-12-06 01:18:01 +00:00
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static void DumpSymbolNameForGlobalValue(GlobalValue &GV) {
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2009-04-13 05:44:34 +00:00
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// Private linkage and available_externally linkage don't exist in symtab.
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2010-08-24 20:00:52 +00:00
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if (GV.hasPrivateLinkage() ||
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GV.hasLinkerPrivateLinkage() ||
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GV.hasLinkerPrivateWeakLinkage() ||
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GV.hasAvailableExternallyLinkage())
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2010-07-01 21:55:59 +00:00
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return;
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2009-04-13 05:44:34 +00:00
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char TypeChar = TypeCharForSymbol(GV);
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2009-01-15 20:18:42 +00:00
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if (GV.hasLocalLinkage () && ExternalOnly)
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2003-10-16 04:43:15 +00:00
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return;
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2011-01-20 06:38:57 +00:00
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NMSymbol s;
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s.Address = object::UnknownAddressOrSize;
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s.Size = object::UnknownAddressOrSize;
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s.TypeChar = TypeChar;
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s.Name = GV.getName();
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SymbolList.push_back(s);
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2003-10-16 04:43:15 +00:00
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}
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2006-12-06 01:18:01 +00:00
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static void DumpSymbolNamesFromModule(Module *M) {
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2011-01-20 06:38:57 +00:00
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CurrentFilename = M->getModuleIdentifier();
|
2009-04-13 05:44:34 +00:00
|
|
|
std::for_each (M->begin(), M->end(), DumpSymbolNameForGlobalValue);
|
|
|
|
std::for_each (M->global_begin(), M->global_end(),
|
2007-06-27 22:08:09 +00:00
|
|
|
DumpSymbolNameForGlobalValue);
|
2012-09-18 18:47:58 +00:00
|
|
|
if (!WithoutAliases)
|
|
|
|
std::for_each (M->alias_begin(), M->alias_end(),
|
|
|
|
DumpSymbolNameForGlobalValue);
|
2011-01-20 06:38:57 +00:00
|
|
|
|
|
|
|
SortAndPrintSymbolList();
|
|
|
|
}
|
|
|
|
|
2013-11-02 21:16:09 +00:00
|
|
|
template <class ELFT>
|
|
|
|
error_code getSymbolNMTypeChar(ELFObjectFile<ELFT> &Obj, symbol_iterator I,
|
|
|
|
char &Result) {
|
|
|
|
typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
|
|
|
|
typedef typename ELFObjectFile<ELFT>::Elf_Shdr Elf_Shdr;
|
|
|
|
|
|
|
|
DataRefImpl Symb = I->getRawDataRefImpl();
|
|
|
|
const Elf_Sym *ESym = Obj.getSymbol(Symb);
|
|
|
|
const ELFFile<ELFT> &EF = *Obj.getELFFile();
|
|
|
|
const Elf_Shdr *ESec = EF.getSection(ESym);
|
|
|
|
|
|
|
|
char ret = '?';
|
|
|
|
|
|
|
|
if (ESec) {
|
|
|
|
switch (ESec->sh_type) {
|
|
|
|
case ELF::SHT_PROGBITS:
|
|
|
|
case ELF::SHT_DYNAMIC:
|
|
|
|
switch (ESec->sh_flags) {
|
|
|
|
case(ELF::SHF_ALLOC | ELF::SHF_EXECINSTR) :
|
|
|
|
ret = 't';
|
|
|
|
break;
|
|
|
|
case(ELF::SHF_ALLOC | ELF::SHF_WRITE) :
|
|
|
|
ret = 'd';
|
|
|
|
break;
|
|
|
|
case ELF::SHF_ALLOC:
|
|
|
|
case(ELF::SHF_ALLOC | ELF::SHF_MERGE) :
|
|
|
|
case(ELF::SHF_ALLOC | ELF::SHF_MERGE | ELF::SHF_STRINGS) :
|
|
|
|
ret = 'r';
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case ELF::SHT_NOBITS:
|
|
|
|
ret = 'b';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (EF.getSymbolTableIndex(ESym)) {
|
|
|
|
case ELF::SHN_UNDEF:
|
|
|
|
if (ret == '?')
|
|
|
|
ret = 'U';
|
|
|
|
break;
|
|
|
|
case ELF::SHN_ABS:
|
|
|
|
ret = 'a';
|
|
|
|
break;
|
|
|
|
case ELF::SHN_COMMON:
|
|
|
|
ret = 'c';
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (ESym->getBinding()) {
|
|
|
|
case ELF::STB_GLOBAL:
|
|
|
|
ret = ::toupper(ret);
|
|
|
|
break;
|
|
|
|
case ELF::STB_WEAK:
|
|
|
|
if (EF.getSymbolTableIndex(ESym) == ELF::SHN_UNDEF)
|
|
|
|
ret = 'w';
|
|
|
|
else if (ESym->getType() == ELF::STT_OBJECT)
|
|
|
|
ret = 'V';
|
|
|
|
else
|
|
|
|
ret = 'W';
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret == '?' && ESym->getType() == ELF::STT_SECTION) {
|
|
|
|
StringRef Name;
|
|
|
|
error_code EC = I->getName(Name);
|
|
|
|
if (EC)
|
|
|
|
return EC;
|
|
|
|
Result = StringSwitch<char>(Name)
|
|
|
|
.StartsWith(".debug", 'N')
|
|
|
|
.StartsWith(".note", 'n')
|
|
|
|
.Default('?');
|
|
|
|
return object_error::success;
|
|
|
|
}
|
|
|
|
|
|
|
|
Result = ret;
|
|
|
|
return object_error::success;
|
|
|
|
}
|
|
|
|
|
|
|
|
static error_code getSymbolNMTypeChar(COFFObjectFile &Obj, symbol_iterator I,
|
|
|
|
char &Result) {
|
|
|
|
const coff_symbol *symb = Obj.getCOFFSymbol(I);
|
|
|
|
StringRef name;
|
|
|
|
if (error_code ec = I->getName(name))
|
|
|
|
return ec;
|
|
|
|
char ret = StringSwitch<char>(name)
|
|
|
|
.StartsWith(".debug", 'N')
|
|
|
|
.StartsWith(".sxdata", 'N')
|
|
|
|
.Default('?');
|
|
|
|
|
|
|
|
if (ret != '?') {
|
|
|
|
Result = ret;
|
|
|
|
return object_error::success;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t Characteristics = 0;
|
|
|
|
if (symb->SectionNumber > 0) {
|
|
|
|
section_iterator SecI = Obj.end_sections();
|
|
|
|
if (error_code ec = I->getSection(SecI))
|
|
|
|
return ec;
|
|
|
|
const coff_section *Section = Obj.getCOFFSection(SecI);
|
|
|
|
Characteristics = Section->Characteristics;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (symb->SectionNumber) {
|
|
|
|
case COFF::IMAGE_SYM_UNDEFINED:
|
|
|
|
// Check storage classes.
|
|
|
|
if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL) {
|
|
|
|
Result = 'w';
|
|
|
|
return object_error::success; // Don't do ::toupper.
|
|
|
|
} else if (symb->Value != 0) // Check for common symbols.
|
|
|
|
ret = 'c';
|
|
|
|
else
|
|
|
|
ret = 'u';
|
|
|
|
break;
|
|
|
|
case COFF::IMAGE_SYM_ABSOLUTE:
|
|
|
|
ret = 'a';
|
|
|
|
break;
|
|
|
|
case COFF::IMAGE_SYM_DEBUG:
|
|
|
|
ret = 'n';
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
// Check section type.
|
|
|
|
if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
|
|
|
|
ret = 't';
|
|
|
|
else if (Characteristics & COFF::IMAGE_SCN_MEM_READ &&
|
|
|
|
~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
|
|
|
|
ret = 'r';
|
|
|
|
else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
|
|
|
|
ret = 'd';
|
|
|
|
else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
|
|
|
|
ret = 'b';
|
|
|
|
else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
|
|
|
|
ret = 'i';
|
|
|
|
|
|
|
|
// Check for section symbol.
|
|
|
|
else if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC &&
|
|
|
|
symb->Value == 0)
|
|
|
|
ret = 's';
|
|
|
|
}
|
|
|
|
|
|
|
|
if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
|
|
|
|
ret = ::toupper(static_cast<unsigned char>(ret));
|
|
|
|
|
|
|
|
Result = ret;
|
|
|
|
return object_error::success;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint8_t getNType(MachOObjectFile &Obj, DataRefImpl Symb) {
|
|
|
|
if (Obj.is64Bit()) {
|
|
|
|
MachO::nlist_64 STE = Obj.getSymbol64TableEntry(Symb);
|
|
|
|
return STE.n_type;
|
|
|
|
}
|
|
|
|
MachO::nlist STE = Obj.getSymbolTableEntry(Symb);
|
|
|
|
return STE.n_type;
|
|
|
|
}
|
|
|
|
|
|
|
|
static error_code getSymbolNMTypeChar(MachOObjectFile &Obj, symbol_iterator I,
|
|
|
|
char &Res) {
|
|
|
|
DataRefImpl Symb = I->getRawDataRefImpl();
|
|
|
|
uint8_t NType = getNType(Obj, Symb);
|
|
|
|
|
|
|
|
char Char;
|
|
|
|
switch (NType & MachO::N_TYPE) {
|
|
|
|
case MachO::N_UNDF:
|
|
|
|
Char = 'u';
|
|
|
|
break;
|
|
|
|
case MachO::N_ABS:
|
|
|
|
Char = 's';
|
|
|
|
break;
|
|
|
|
case MachO::N_SECT: {
|
|
|
|
section_iterator Sec = Obj.end_sections();
|
|
|
|
Obj.getSymbolSection(Symb, Sec);
|
|
|
|
DataRefImpl Ref = Sec->getRawDataRefImpl();
|
|
|
|
StringRef SectionName;
|
|
|
|
Obj.getSectionName(Ref, SectionName);
|
|
|
|
StringRef SegmentName = Obj.getSectionFinalSegmentName(Ref);
|
|
|
|
if (SegmentName == "__TEXT" && SectionName == "__text")
|
|
|
|
Char = 't';
|
|
|
|
else
|
|
|
|
Char = 's';
|
|
|
|
} break;
|
|
|
|
default:
|
|
|
|
Char = '?';
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (NType & (MachO::N_EXT | MachO::N_PEXT))
|
|
|
|
Char = toupper(static_cast<unsigned char>(Char));
|
|
|
|
Res = Char;
|
|
|
|
return object_error::success;
|
|
|
|
}
|
|
|
|
|
|
|
|
static char getNMTypeChar(ObjectFile *Obj, symbol_iterator I) {
|
|
|
|
char Res = '?';
|
|
|
|
if (COFFObjectFile *COFF = dyn_cast<COFFObjectFile>(Obj)) {
|
|
|
|
error(getSymbolNMTypeChar(*COFF, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Obj)) {
|
|
|
|
error(getSymbolNMTypeChar(*MachO, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ELF32LEObjectFile *ELF = dyn_cast<ELF32LEObjectFile>(Obj)) {
|
|
|
|
error(getSymbolNMTypeChar(*ELF, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
if (ELF64LEObjectFile *ELF = dyn_cast<ELF64LEObjectFile>(Obj)) {
|
|
|
|
error(getSymbolNMTypeChar(*ELF, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
if (ELF32BEObjectFile *ELF = dyn_cast<ELF32BEObjectFile>(Obj)) {
|
|
|
|
error(getSymbolNMTypeChar(*ELF, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
ELF64BEObjectFile *ELF = cast<ELF64BEObjectFile>(Obj);
|
|
|
|
error(getSymbolNMTypeChar(*ELF, I, Res));
|
|
|
|
return Res;
|
|
|
|
}
|
|
|
|
|
2011-01-20 06:38:57 +00:00
|
|
|
static void DumpSymbolNamesFromObject(ObjectFile *obj) {
|
2011-06-25 17:55:23 +00:00
|
|
|
error_code ec;
|
2012-02-28 00:40:37 +00:00
|
|
|
symbol_iterator ibegin = obj->begin_symbols();
|
|
|
|
symbol_iterator iend = obj->end_symbols();
|
|
|
|
if (DynamicSyms) {
|
|
|
|
ibegin = obj->begin_dynamic_symbols();
|
|
|
|
iend = obj->end_dynamic_symbols();
|
|
|
|
}
|
|
|
|
for (symbol_iterator i = ibegin; i != iend; i.increment(ec)) {
|
2011-06-25 17:55:23 +00:00
|
|
|
if (error(ec)) break;
|
2012-02-28 23:47:53 +00:00
|
|
|
uint32_t symflags;
|
|
|
|
if (error(i->getFlags(symflags))) break;
|
|
|
|
if (!DebugSyms && (symflags & SymbolRef::SF_FormatSpecific))
|
2011-01-20 06:38:57 +00:00
|
|
|
continue;
|
|
|
|
NMSymbol s;
|
|
|
|
s.Size = object::UnknownAddressOrSize;
|
|
|
|
s.Address = object::UnknownAddressOrSize;
|
2011-06-25 17:55:23 +00:00
|
|
|
if (PrintSize || SizeSort) {
|
|
|
|
if (error(i->getSize(s.Size))) break;
|
|
|
|
}
|
2011-01-20 06:38:57 +00:00
|
|
|
if (PrintAddress)
|
2011-11-29 17:40:10 +00:00
|
|
|
if (error(i->getAddress(s.Address))) break;
|
2013-11-02 21:16:09 +00:00
|
|
|
s.TypeChar = getNMTypeChar(obj, i);
|
2011-06-25 17:55:23 +00:00
|
|
|
if (error(i->getName(s.Name))) break;
|
2011-01-20 06:38:57 +00:00
|
|
|
SymbolList.push_back(s);
|
|
|
|
}
|
|
|
|
|
2011-06-25 17:54:50 +00:00
|
|
|
CurrentFilename = obj->getFileName();
|
2011-01-20 06:38:57 +00:00
|
|
|
SortAndPrintSymbolList();
|
2003-10-16 04:43:15 +00:00
|
|
|
}
|
|
|
|
|
2006-12-06 01:18:01 +00:00
|
|
|
static void DumpSymbolNamesFromFile(std::string &Filename) {
|
2011-12-13 23:17:29 +00:00
|
|
|
if (Filename != "-" && !sys::fs::exists(Filename)) {
|
|
|
|
errs() << ToolName << ": '" << Filename << "': " << "No such file\n";
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
OwningPtr<MemoryBuffer> Buffer;
|
|
|
|
if (error(MemoryBuffer::getFileOrSTDIN(Filename, Buffer), Filename))
|
|
|
|
return;
|
|
|
|
|
|
|
|
sys::fs::file_magic magic = sys::fs::identify_magic(Buffer->getBuffer());
|
|
|
|
|
2009-07-15 22:16:10 +00:00
|
|
|
LLVMContext &Context = getGlobalContext();
|
2011-12-13 23:17:29 +00:00
|
|
|
if (magic == sys::fs::file_magic::bitcode) {
|
2014-01-15 01:08:23 +00:00
|
|
|
ErrorOr<Module *> ModuleOrErr = parseBitcodeFile(Buffer.get(), Context);
|
|
|
|
if (error(ModuleOrErr.getError(), Filename)) {
|
|
|
|
return;
|
|
|
|
} else {
|
|
|
|
Module *Result = ModuleOrErr.get();
|
2007-05-06 05:36:18 +00:00
|
|
|
DumpSymbolNamesFromModule(Result);
|
2009-09-10 14:56:31 +00:00
|
|
|
delete Result;
|
2003-11-19 21:52:09 +00:00
|
|
|
}
|
2011-12-13 23:17:29 +00:00
|
|
|
} else if (magic == sys::fs::file_magic::archive) {
|
|
|
|
OwningPtr<Binary> arch;
|
|
|
|
if (error(object::createBinary(Buffer.take(), arch), Filename))
|
|
|
|
return;
|
|
|
|
|
2011-09-27 19:37:18 +00:00
|
|
|
if (object::Archive *a = dyn_cast<object::Archive>(arch.get())) {
|
2012-11-13 18:38:42 +00:00
|
|
|
if (ArchiveMap) {
|
2013-07-10 20:14:22 +00:00
|
|
|
object::Archive::symbol_iterator I = a->begin_symbols();
|
|
|
|
object::Archive::symbol_iterator E = a->end_symbols();
|
|
|
|
if (I !=E) {
|
|
|
|
outs() << "Archive map" << "\n";
|
|
|
|
for (; I != E; ++I) {
|
|
|
|
object::Archive::child_iterator c;
|
|
|
|
StringRef symname;
|
|
|
|
StringRef filename;
|
|
|
|
if (error(I->getMember(c)))
|
2012-11-13 18:38:42 +00:00
|
|
|
return;
|
2013-07-10 20:14:22 +00:00
|
|
|
if (error(I->getName(symname)))
|
2012-11-13 18:38:42 +00:00
|
|
|
return;
|
2013-07-10 20:14:22 +00:00
|
|
|
if (error(c->getName(filename)))
|
2012-11-13 18:38:42 +00:00
|
|
|
return;
|
2013-07-10 20:14:22 +00:00
|
|
|
outs() << symname << " in " << filename << "\n";
|
|
|
|
}
|
|
|
|
outs() << "\n";
|
2012-11-13 18:38:42 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-09-27 19:37:18 +00:00
|
|
|
for (object::Archive::child_iterator i = a->begin_children(),
|
|
|
|
e = a->end_children(); i != e; ++i) {
|
|
|
|
OwningPtr<Binary> child;
|
2011-12-25 01:20:19 +00:00
|
|
|
if (i->getAsBinary(child)) {
|
2011-09-27 19:37:18 +00:00
|
|
|
// Try opening it as a bitcode file.
|
2013-02-03 10:48:50 +00:00
|
|
|
OwningPtr<MemoryBuffer> buff;
|
|
|
|
if (error(i->getMemoryBuffer(buff)))
|
|
|
|
return;
|
2011-09-27 19:37:18 +00:00
|
|
|
|
2014-01-15 01:08:23 +00:00
|
|
|
ErrorOr<Module *> ModuleOrErr = parseBitcodeFile(buff.get(), Context);
|
|
|
|
if (ModuleOrErr) {
|
|
|
|
Module *Result = ModuleOrErr.get();
|
2011-09-27 19:37:18 +00:00
|
|
|
DumpSymbolNamesFromModule(Result);
|
|
|
|
delete Result;
|
|
|
|
}
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (object::ObjectFile *o = dyn_cast<ObjectFile>(child.get())) {
|
|
|
|
outs() << o->getFileName() << ":\n";
|
|
|
|
DumpSymbolNamesFromObject(o);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2013-06-18 15:03:28 +00:00
|
|
|
} else if (magic == sys::fs::file_magic::macho_universal_binary) {
|
|
|
|
OwningPtr<Binary> Bin;
|
|
|
|
if (error(object::createBinary(Buffer.take(), Bin), Filename))
|
|
|
|
return;
|
|
|
|
|
|
|
|
object::MachOUniversalBinary *UB =
|
|
|
|
cast<object::MachOUniversalBinary>(Bin.get());
|
|
|
|
for (object::MachOUniversalBinary::object_iterator
|
|
|
|
I = UB->begin_objects(),
|
|
|
|
E = UB->end_objects();
|
|
|
|
I != E; ++I) {
|
|
|
|
OwningPtr<ObjectFile> Obj;
|
|
|
|
if (!I->getAsObjectFile(Obj)) {
|
|
|
|
outs() << Obj->getFileName() << ":\n";
|
|
|
|
DumpSymbolNamesFromObject(Obj.get());
|
|
|
|
}
|
|
|
|
}
|
2011-12-13 23:17:29 +00:00
|
|
|
} else if (magic.is_object()) {
|
2011-06-25 17:54:59 +00:00
|
|
|
OwningPtr<Binary> obj;
|
2011-12-13 23:17:29 +00:00
|
|
|
if (error(object::createBinary(Buffer.take(), obj), Filename))
|
2011-01-20 06:38:57 +00:00
|
|
|
return;
|
2011-06-25 17:54:59 +00:00
|
|
|
if (object::ObjectFile *o = dyn_cast<ObjectFile>(obj.get()))
|
|
|
|
DumpSymbolNamesFromObject(o);
|
2003-11-19 21:57:30 +00:00
|
|
|
} else {
|
2009-07-15 16:35:29 +00:00
|
|
|
errs() << ToolName << ": " << Filename << ": "
|
|
|
|
<< "unrecognizable file type\n";
|
2013-07-03 15:46:03 +00:00
|
|
|
HadError = true;
|
2003-11-19 21:57:30 +00:00
|
|
|
return;
|
2003-10-16 04:43:15 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int main(int argc, char **argv) {
|
2009-03-06 05:34:10 +00:00
|
|
|
// Print a stack trace if we signal out.
|
2007-05-06 05:36:18 +00:00
|
|
|
sys::PrintStackTraceOnErrorSignal();
|
2009-03-06 05:34:10 +00:00
|
|
|
PrettyStackTraceProgram X(argc, argv);
|
2010-08-31 06:36:46 +00:00
|
|
|
|
2009-03-06 05:34:10 +00:00
|
|
|
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
|
|
|
|
cl::ParseCommandLineOptions(argc, argv, "llvm symbol table dumper\n");
|
2003-10-16 18:45:23 +00:00
|
|
|
|
2011-12-13 23:17:29 +00:00
|
|
|
// llvm-nm only reads binary files.
|
2013-06-12 20:58:35 +00:00
|
|
|
if (error(sys::ChangeStdinToBinary()))
|
2011-12-13 23:17:29 +00:00
|
|
|
return 1;
|
|
|
|
|
2007-05-06 05:36:18 +00:00
|
|
|
ToolName = argv[0];
|
|
|
|
if (BSDFormat) OutputFormat = bsd;
|
|
|
|
if (POSIXFormat) OutputFormat = posix;
|
|
|
|
|
2011-01-20 06:38:57 +00:00
|
|
|
// The relative order of these is important. If you pass --size-sort it should
|
|
|
|
// only print out the size. However, if you pass -S --size-sort, it should
|
|
|
|
// print out both the size and address.
|
|
|
|
if (SizeSort && !PrintSize) PrintAddress = false;
|
|
|
|
if (OutputFormat == sysv || SizeSort) PrintSize = true;
|
|
|
|
|
2007-05-06 05:36:18 +00:00
|
|
|
switch (InputFilenames.size()) {
|
|
|
|
case 0: InputFilenames.push_back("-");
|
|
|
|
case 1: break;
|
|
|
|
default: MultipleFiles = true;
|
2003-10-16 18:45:23 +00:00
|
|
|
}
|
2007-05-06 05:36:18 +00:00
|
|
|
|
|
|
|
std::for_each(InputFilenames.begin(), InputFilenames.end(),
|
|
|
|
DumpSymbolNamesFromFile);
|
2013-07-03 15:46:03 +00:00
|
|
|
|
|
|
|
if (HadError)
|
|
|
|
return 1;
|
|
|
|
|
2007-05-06 05:36:18 +00:00
|
|
|
return 0;
|
2003-10-16 04:43:15 +00:00
|
|
|
}
|