//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This program is a utility that works like traditional Unix "nm",
-// that is, it prints out the names of symbols in a bytecode file,
+// that is, it prints out the names of symbols in a bitcode file,
// along with some information about each symbol.
//
// This "nm" does not print symbols' addresses. It supports many of
//
//===----------------------------------------------------------------------===//
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
-#include "llvm/Bytecode/Reader.h"
-#include "llvm/Bytecode/Archive.h"
+#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/Bitcode/Archive.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Signals.h"
+#include <algorithm>
#include <cctype>
#include <cerrno>
#include <cstring>
-#include <iostream>
-
using namespace llvm;
namespace {
cl::aliasopt(OutputFormat));
cl::list<std::string>
- InputFilenames(cl::Positional, cl::desc("<input bytecode files>"),
+ InputFilenames(cl::Positional, cl::desc("<input bitcode files>"),
cl::ZeroOrMore);
cl::opt<bool> UndefinedOnly("undefined-only",
}
static char TypeCharForSymbol(GlobalValue &GV) {
- if (GV.isExternal()) return 'U';
+ if (GV.isDeclaration()) return 'U';
if (GV.hasLinkOnceLinkage()) return 'C';
+ if (GV.hasCommonLinkage()) return 'C';
if (GV.hasWeakLinkage()) return 'W';
- if (isa<Function>(GV) && GV.hasInternalLinkage()) return 't';
+ if (isa<Function>(GV) && GV.hasInternalLinkage()) return 't';
if (isa<Function>(GV)) return 'T';
- if (isa<GlobalVariable>(GV) && GV.hasInternalLinkage()) return 'd';
+ if (isa<GlobalVariable>(GV) && GV.hasInternalLinkage()) return 'd';
if (isa<GlobalVariable>(GV)) return 'D';
- return '?';
+ if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(&GV)) {
+ const GlobalValue *AliasedGV = GA->getAliasedGlobal();
+ if (isa<Function>(AliasedGV)) return 'T';
+ if (isa<GlobalVariable>(AliasedGV)) return 'D';
+ }
+ return '?';
}
static void DumpSymbolNameForGlobalValue(GlobalValue &GV) {
+ // Private linkage and available_externally linkage don't exist in symtab.
+ if (GV.hasPrivateLinkage() || GV.hasLinkerPrivateLinkage() ||
+ GV.hasAvailableExternallyLinkage()) return;
+
const std::string SymbolAddrStr = " "; // Not used yet...
- char TypeChar = TypeCharForSymbol (GV);
+ char TypeChar = TypeCharForSymbol(GV);
if ((TypeChar != 'U') && UndefinedOnly)
return;
if ((TypeChar == 'U') && DefinedOnly)
return;
- if (GV.hasInternalLinkage () && ExternalOnly)
+ if (GV.hasLocalLinkage () && ExternalOnly)
return;
if (OutputFormat == posix) {
- std::cout << GV.getName () << " " << TypeCharForSymbol (GV) << " "
- << SymbolAddrStr << "\n";
+ outs() << GV.getName () << " " << TypeCharForSymbol(GV) << " "
+ << SymbolAddrStr << "\n";
} else if (OutputFormat == bsd) {
- std::cout << SymbolAddrStr << " " << TypeCharForSymbol (GV) << " "
- << GV.getName () << "\n";
+ outs() << SymbolAddrStr << " " << TypeCharForSymbol(GV) << " "
+ << GV.getName () << "\n";
} else if (OutputFormat == sysv) {
std::string PaddedName (GV.getName ());
while (PaddedName.length () < 20)
PaddedName += " ";
- std::cout << PaddedName << "|" << SymbolAddrStr << "| "
- << TypeCharForSymbol (GV)
- << " | | | |\n";
+ outs() << PaddedName << "|" << SymbolAddrStr << "| "
+ << TypeCharForSymbol(GV)
+ << " | | | |\n";
}
}
static void DumpSymbolNamesFromModule(Module *M) {
const std::string &Filename = M->getModuleIdentifier ();
if (OutputFormat == posix && MultipleFiles) {
- std::cout << Filename << ":\n";
+ outs() << Filename << ":\n";
} else if (OutputFormat == bsd && MultipleFiles) {
- std::cout << "\n" << Filename << ":\n";
+ outs() << "\n" << Filename << ":\n";
} else if (OutputFormat == sysv) {
- std::cout << "\n\nSymbols from " << Filename << ":\n\n"
- << "Name Value Class Type"
- << " Size Line Section\n";
+ outs() << "\n\nSymbols from " << Filename << ":\n\n"
+ << "Name Value Class Type"
+ << " Size Line Section\n";
}
- std::for_each (M->begin (), M->end (), DumpSymbolNameForGlobalValue);
- std::for_each (M->global_begin (), M->global_end (), DumpSymbolNameForGlobalValue);
+ 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);
}
static void DumpSymbolNamesFromFile(std::string &Filename) {
+ LLVMContext &Context = getGlobalContext();
std::string ErrorMessage;
sys::Path aPath(Filename);
- if (Filename != "-") {
- std::cerr << ToolName << ": " << Filename << ": " << strerror (errno)
- << "\n";
- return;
- }
// Note: Currently we do not support reading an archive from stdin.
- if (Filename == "-" || aPath.isBytecodeFile()) {
- Module *Result = ParseBytecodeFile(Filename, &ErrorMessage);
+ if (Filename == "-" || aPath.isBitcodeFile()) {
+ std::auto_ptr<MemoryBuffer> Buffer(
+ MemoryBuffer::getFileOrSTDIN(Filename, &ErrorMessage));
+ Module *Result = 0;
+ if (Buffer.get())
+ Result = ParseBitcodeFile(Buffer.get(), Context, &ErrorMessage);
+
if (Result) {
- DumpSymbolNamesFromModule (Result);
- } else {
- std::cerr << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
- return;
- }
+ DumpSymbolNamesFromModule(Result);
+ delete Result;
+ } else
+ errs() << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
+
} else if (aPath.isArchive()) {
std::string ErrMsg;
- Archive* archive = Archive::OpenAndLoad(sys::Path(Filename), &ErrorMessage);
+ Archive* archive = Archive::OpenAndLoad(sys::Path(Filename), Context,
+ &ErrorMessage);
if (!archive)
- std::cerr << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
+ errs() << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
std::vector<Module *> Modules;
if (archive->getAllModules(Modules, &ErrorMessage)) {
- std::cerr << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
+ errs() << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
return;
}
MultipleFiles = true;
std::for_each (Modules.begin(), Modules.end(), DumpSymbolNamesFromModule);
} else {
- std::cerr << ToolName << ": " << Filename << ": "
- << "unrecognizable file type\n";
+ errs() << ToolName << ": " << Filename << ": "
+ << "unrecognizable file type\n";
return;
}
}
int main(int argc, char **argv) {
- llvm_shutdown_obj X; // Call llvm_shutdown() on exit.
- try {
- cl::ParseCommandLineOptions(argc, argv, " llvm symbol table dumper\n");
- sys::PrintStackTraceOnErrorSignal();
-
- ToolName = argv[0];
- if (BSDFormat) OutputFormat = bsd;
- if (POSIXFormat) OutputFormat = posix;
-
- switch (InputFilenames.size()) {
- case 0: InputFilenames.push_back("-");
- case 1: break;
- default: MultipleFiles = true;
- }
-
- std::for_each (InputFilenames.begin (), InputFilenames.end (),
- DumpSymbolNamesFromFile);
- return 0;
- } catch (const std::string& msg) {
- std::cerr << argv[0] << ": " << msg << "\n";
- } catch (...) {
- std::cerr << argv[0] << ": Unexpected unknown exception occurred.\n";
+ // Print a stack trace if we signal out.
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+ cl::ParseCommandLineOptions(argc, argv, "llvm symbol table dumper\n");
+
+ ToolName = argv[0];
+ if (BSDFormat) OutputFormat = bsd;
+ if (POSIXFormat) OutputFormat = posix;
+
+ switch (InputFilenames.size()) {
+ case 0: InputFilenames.push_back("-");
+ case 1: break;
+ default: MultipleFiles = true;
}
- return 1;
+
+ std::for_each(InputFilenames.begin(), InputFilenames.end(),
+ DumpSymbolNamesFromFile);
+ return 0;
}
projects / oota-llvm.git / blobdiff