[ARM] Support for ARMv6-Z / ARMv6-ZK missing

[oota-llvm.git] / include / llvm / Support / PrettyStackTrace.h

diff --git a/include/llvm/Support/PrettyStackTrace.h b/include/llvm/Support/PrettyStackTrace.h
index 96afb60d8e517643c0c35ef1617be096384f4c57..027f9433969d152e984705a2847dd233f1b5a08d 100644 (file)
--- a/include/llvm/Support/PrettyStackTrace.h
+++ b/include/llvm/Support/PrettyStackTrace.h
@@ -66,6 +66,18 @@ namespace llvm {
     void print(raw_ostream &OS) const override;
   };
 
+  /// Returns the topmost element of the "pretty" stack state.
+  const void* SavePrettyStackState();
+
+  /// Restores the topmost element of the "pretty" stack state to State, which
+  /// should come from a previous call to SavePrettyStackState().  This is
+  /// useful when using a CrashRecoveryContext in code that also uses
+  /// PrettyStackTraceEntries, to make sure the stack that's printed if a crash
+  /// happens after a crash that's been recovered by CrashRecoveryContext
+  /// doesn't have frames on it that were added in code unwound by the
+  /// CrashRecoveryContext.
+  void RestorePrettyStackState(const void* State);
+
 } // end namespace llvm
 
 #endif