X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2Fexperimental%2Fsymbolizer%2FSymbolizer.h;h=5a87f90b6b689c9364e3e82ff0c0467468760f87;hp=5595a53b67994270c9588de1561899ee7b41db1f;hb=af7e70660f867873638ef2ce5bb33b19771bdd41;hpb=a9ba07eb94a5b85985859568789559882ad0e33d

diff --git a/folly/experimental/symbolizer/Symbolizer.h b/folly/experimental/symbolizer/Symbolizer.h
index 5595a53b..5a87f90b 100644
--- a/folly/experimental/symbolizer/Symbolizer.h
+++ b/folly/experimental/symbolizer/Symbolizer.h
@@ -128,6 +128,24 @@ class Symbolizer {
   ElfCacheBase* cache_;
 };
 
+/**
+ * Format one address in the way it's usually printer by SymbolizePrinter.
+ * Async-signal-safe.
+ */
+class AddressFormatter {
+ public:
+  AddressFormatter();
+
+  /**
+   * Format the address. Returns an internal buffer.
+   */
+  StringPiece format(uintptr_t address);
+
+ private:
+  static constexpr char bufTemplate[] = "    @ 0000000000000000";
+  char buf_[sizeof(bufTemplate)];
+};
+
 /**
  * Print a list of symbolized addresses. Base class.
  */