The same problem was being tracked in PR7652.

[oota-llvm.git] / tools / llvm-nm / llvm-nm.cpp

diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index 008c2e0431fca956121cc8abd9584a420a592f3f..fd7e7f670b95c035d004a9bb49a71a13f00b6132 100644 (file)
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -16,18 +16,20 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/LLVMContext.h"
 #include "llvm/Module.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 {
@@ -85,49 +87,55 @@ static char TypeCharForSymbol(GlobalValue &GV) {
 }
 
 static void DumpSymbolNameForGlobalValue(GlobalValue &GV) {
+  // Private linkage and available_externally linkage don't exist in symtab.
+  if (GV.hasPrivateLinkage() || GV.hasLinkerPrivateLinkage() ||
+      GV.hasLinkerPrivateWeakLinkage() || 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 (),
+  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 (),
+  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);
   // Note: Currently we do not support reading an archive from stdin.
@@ -136,38 +144,41 @@ static void DumpSymbolNamesFromFile(std::string &Filename) {
                    MemoryBuffer::getFileOrSTDIN(Filename, &ErrorMessage));
     Module *Result = 0;
     if (Buffer.get())
-      Result = ParseBitcodeFile(Buffer.get(), &ErrorMessage);
+      Result = ParseBitcodeFile(Buffer.get(), Context, &ErrorMessage);
     
-    if (Result)
+    if (Result) {
       DumpSymbolNamesFromModule(Result);
-    else {
-      std::cerr << ToolName << ": " << Filename << ": " << ErrorMessage << "\n";
-      return;
-    }
+      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.
-  cl::ParseCommandLineOptions(argc, argv, "llvm symbol table dumper\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;