diff --git a/tools/extract/extract.cpp b/tools/extract/extract.cpp
index 9c03f85bf57..b91020db7c7 100644
--- a/tools/extract/extract.cpp
+++ b/tools/extract/extract.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Target/TargetData.h"
 #include "Support/CommandLine.h"
+#include "Support/Signals.h"
 #include <memory>
 #include <fstream>
 using namespace llvm;
@@ -42,6 +43,7 @@ ExtractFunc("func", cl::desc("Specify function to extract"), cl::init("main"),
 
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm extractor\n");
+  PrintStackTraceOnErrorSignal();
 
   std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
   if (M.get() == 0) {
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 1abf251fce3..7b5018a5198 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -107,6 +107,7 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
 
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm .s -> .o assembler for GCC\n");
+  PrintStackTraceOnErrorSignal();
 
   std::auto_ptr<Module> M;
   try {
diff --git a/tools/gccld/gccld.cpp b/tools/gccld/gccld.cpp
index 74b9ff00b2b..0f5bc18a31f 100644
--- a/tools/gccld/gccld.cpp
+++ b/tools/gccld/gccld.cpp
@@ -195,6 +195,7 @@ void RemoveEnv(const char * name, char ** const envp) {
 
 int main(int argc, char **argv, char **envp) {
   cl::ParseCommandLineOptions(argc, argv, " llvm linker for GCC\n");
+  PrintStackTraceOnErrorSignal();
 
   std::string ModuleID("gccld-output");
   std::auto_ptr<Module> Composite(new Module(ModuleID));
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 959bdbe36cb..3176b4ce743 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -69,7 +69,8 @@ GetFileNameRoot(const std::string &InputFilename)
 //
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm system compiler\n");
-  
+  PrintStackTraceOnErrorSignal();
+
   // Load the module to be compiled...
   std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
   if (M.get() == 0) {
diff --git a/tools/lli/lli.cpp b/tools/lli/lli.cpp
index 15bf500bba8..96a1a34bfaa 100644
--- a/tools/lli/lli.cpp
+++ b/tools/lli/lli.cpp
@@ -20,6 +20,7 @@
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
 #include "Support/CommandLine.h"
+#include "Support/Signals.h"
 
 using namespace llvm;
 
@@ -46,6 +47,7 @@ namespace {
 int main(int argc, char **argv, char * const *envp) {
   cl::ParseCommandLineOptions(argc, argv,
                               " llvm interpreter & dynamic compiler\n");
+  PrintStackTraceOnErrorSignal();
 
   // Load the bytecode...
   std::string ErrorMsg;
diff --git a/tools/llvm-extract/llvm-extract.cpp b/tools/llvm-extract/llvm-extract.cpp
index 9c03f85bf57..b91020db7c7 100644
--- a/tools/llvm-extract/llvm-extract.cpp
+++ b/tools/llvm-extract/llvm-extract.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Target/TargetData.h"
 #include "Support/CommandLine.h"
+#include "Support/Signals.h"
 #include <memory>
 #include <fstream>
 using namespace llvm;
@@ -42,6 +43,7 @@ ExtractFunc("func", cl::desc("Specify function to extract"), cl::init("main"),
 
 int main(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv, " llvm extractor\n");
+  PrintStackTraceOnErrorSignal();
 
   std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
   if (M.get() == 0) {