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-rw-r--r--contrib/llvm/lib/Support/Signals.cpp18
1 files changed, 12 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Support/Signals.cpp b/contrib/llvm/lib/Support/Signals.cpp
index 57f36bf175b3..256a22dee87b 100644
--- a/contrib/llvm/lib/Support/Signals.cpp
+++ b/contrib/llvm/lib/Support/Signals.cpp
@@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/Support/Signals.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Config/config.h"
@@ -23,18 +24,23 @@
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/Program.h"
-#include "llvm/Support/Signals.h"
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Options.h"
#include <vector>
-namespace llvm {
-
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
//=== independent code.
//===----------------------------------------------------------------------===//
+using namespace llvm;
+
+static cl::opt<bool>
+ DisableSymbolication("disable-symbolication",
+ cl::desc("Disable symbolizing crash backtraces."),
+ cl::init(false), cl::Hidden);
+
static ManagedStatic<std::vector<std::pair<void (*)(void *), void *>>>
CallBacksToRun;
void sys::RunSignalHandlers() {
@@ -44,9 +50,6 @@ void sys::RunSignalHandlers() {
I.first(I.second);
CallBacksToRun->clear();
}
-}
-
-using namespace llvm;
static bool findModulesAndOffsets(void **StackTrace, int Depth,
const char **Modules, intptr_t *Offsets,
@@ -70,6 +73,9 @@ static bool printSymbolizedStackTrace(StringRef Argv0,
static bool printSymbolizedStackTrace(StringRef Argv0,
void **StackTrace, int Depth,
llvm::raw_ostream &OS) {
+ if (DisableSymbolication)
+ return false;
+
// Don't recursively invoke the llvm-symbolizer binary.
if (Argv0.find("llvm-symbolizer") != std::string::npos)
return false;