//
//===----------------------------------------------------------------------===//
//
-// This program is a utility that works like traditional Unix "nm",
-// that is, it prints out the names of symbols in a bitcode file,
-// along with some information about each symbol.
+// This program is a utility that works like traditional Unix "nm", that is, it
+// prints out the names of symbols in a bitcode or object file, along with some
+// information about each symbol.
//
-// This "nm" does not print symbols' addresses. It supports many of
-// the features of GNU "nm", including its different output formats.
+// This "nm" supports many of the features of GNU "nm", including its different
+// output formats.
//
//===----------------------------------------------------------------------===//
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
+#include "llvm/IR/LLVMContext.h"
#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/Bitcode/Archive.h"
+#include "llvm/IR/Module.h"
#include "llvm/Object/Archive.h"
+#include "llvm/Object/MachOUniversal.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Program.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/Signals.h"
-#include "llvm/Support/Format.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/system_error.h"
#include <algorithm>
#include <cctype>
cl::alias UndefinedOnly2("u", cl::desc("Alias for --undefined-only"),
cl::aliasopt(UndefinedOnly));
+ cl::opt<bool> DynamicSyms("dynamic",
+ cl::desc("Display the dynamic symbols instead "
+ "of normal symbols."));
+ cl::alias DynamicSyms2("D", cl::desc("Alias for --dynamic"),
+ cl::aliasopt(DynamicSyms));
+
cl::opt<bool> DefinedOnly("defined-only",
cl::desc("Show only defined symbols"));
cl::opt<bool> SizeSort("size-sort", cl::desc("Sort symbols by size"));
+ cl::opt<bool> WithoutAliases("without-aliases", cl::Hidden,
+ cl::desc("Exclude aliases from output"));
+
+ cl::opt<bool> ArchiveMap("print-armap",
+ cl::desc("Print the archive map"));
+ cl::alias ArchiveMaps("s", cl::desc("Alias for --print-armap"),
+ cl::aliasopt(ArchiveMap));
bool PrintAddress = true;
bool MultipleFiles = false;
+ bool HadError = false;
+
std::string ToolName;
}
static bool error(error_code ec, Twine path = Twine()) {
if (ec) {
error(ec.message(), path);
+ HadError = true;
return true;
}
return false;
return true;
else if (a.Address == b.Address && a.Name < b.Name)
return true;
+ else if (a.Address == b.Address && a.Name == b.Name && a.Size < b.Size)
+ return true;
else
return false;
return true;
else if (a.Size == b.Size && a.Name < b.Name)
return true;
+ else if (a.Size == b.Size && a.Name == b.Name && a.Address < b.Address)
+ return true;
else
return false;
}
static bool CompareSymbolName(const NMSymbol &a, const NMSymbol &b) {
- return a.Name < b.Name;
+ if (a.Name < b.Name)
+ return true;
+ else if (a.Name == b.Name && a.Size < b.Size)
+ return true;
+ else if (a.Name == b.Name && a.Size == b.Size && a.Address < b.Address)
+ return true;
+ else
+ return false;
}
StringRef CurrentFilename;
strcpy(SymbolSizeStr, " ");
if (i->Address != object::UnknownAddressOrSize)
- format("%08"PRIx64, i->Address).print(SymbolAddrStr, sizeof(SymbolAddrStr));
+ format("%08" PRIx64, i->Address).print(SymbolAddrStr,
+ sizeof(SymbolAddrStr));
if (i->Size != object::UnknownAddressOrSize)
- format("%08"PRIx64, i->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
+ format("%08" PRIx64, i->Size).print(SymbolSizeStr, sizeof(SymbolSizeStr));
if (OutputFormat == posix) {
outs() << i->Name << " " << i->TypeChar << " "
if (GV.hasPrivateLinkage() ||
GV.hasLinkerPrivateLinkage() ||
GV.hasLinkerPrivateWeakLinkage() ||
- GV.hasLinkerPrivateWeakDefAutoLinkage() ||
GV.hasAvailableExternallyLinkage())
return;
char TypeChar = TypeCharForSymbol(GV);
std::for_each (M->begin(), M->end(), DumpSymbolNameForGlobalValue);
std::for_each (M->global_begin(), M->global_end(),
DumpSymbolNameForGlobalValue);
- std::for_each (M->alias_begin(), M->alias_end(),
- DumpSymbolNameForGlobalValue);
+ if (!WithoutAliases)
+ std::for_each (M->alias_begin(), M->alias_end(),
+ DumpSymbolNameForGlobalValue);
SortAndPrintSymbolList();
}
static void DumpSymbolNamesFromObject(ObjectFile *obj) {
error_code ec;
- for (symbol_iterator i = obj->begin_symbols(),
- e = obj->end_symbols();
- i != e; i.increment(ec)) {
+ 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)) {
if (error(ec)) break;
- bool internal;
- if (error(i->isInternal(internal))) break;
- if (!DebugSyms && internal)
+ uint32_t symflags;
+ if (error(i->getFlags(symflags))) break;
+ if (!DebugSyms && (symflags & SymbolRef::SF_FormatSpecific))
continue;
NMSymbol s;
s.Size = object::UnknownAddressOrSize;
return;
if (object::Archive *a = dyn_cast<object::Archive>(arch.get())) {
+ if (ArchiveMap) {
+ 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)))
+ return;
+ if (error(I->getName(symname)))
+ return;
+ if (error(c->getName(filename)))
+ return;
+ outs() << symname << " in " << filename << "\n";
+ }
+ outs() << "\n";
+ }
+ }
+
for (object::Archive::child_iterator i = a->begin_children(),
e = a->end_children(); i != e; ++i) {
OwningPtr<Binary> child;
if (i->getAsBinary(child)) {
// Try opening it as a bitcode file.
- OwningPtr<MemoryBuffer> buff(i->getBuffer());
+ OwningPtr<MemoryBuffer> buff;
+ if (error(i->getMemoryBuffer(buff)))
+ return;
Module *Result = 0;
if (buff)
Result = ParseBitcodeFile(buff.get(), Context, &ErrorMessage);
}
}
}
+ } 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());
+ }
+ }
} else if (magic.is_object()) {
OwningPtr<Binary> obj;
if (error(object::createBinary(Buffer.take(), obj), Filename))
} else {
errs() << ToolName << ": " << Filename << ": "
<< "unrecognizable file type\n";
+ HadError = true;
return;
}
}
cl::ParseCommandLineOptions(argc, argv, "llvm symbol table dumper\n");
// llvm-nm only reads binary files.
- if (error(sys::Program::ChangeStdinToBinary()))
+ if (error(sys::ChangeStdinToBinary()))
return 1;
ToolName = argv[0];
std::for_each(InputFilenames.begin(), InputFilenames.end(),
DumpSymbolNamesFromFile);
+
+ if (HadError)
+ return 1;
+
return 0;
}
projects / oota-llvm.git / blobdiff