1 files changed, 12 insertions, 1 deletions
diff --git a/gdb/dfp.c b/gdb/dfp.c
index fa2c6db59c..1cdb35cd91 100644
--- a/gdb/dfp.c
+++ b/gdb/dfp.c
@@ -146,12 +146,23 @@ decimal_to_number (const gdb_byte *from, int len, decNumber *to)
    16 bytes for decimal128.  */
 std::string
 decimal_to_string (const gdb_byte *decbytes, int len,
-		   enum bfd_endian byte_order)
+		   enum bfd_endian byte_order, const char *format)
 {
   gdb_byte dec[16];
 
   match_endianness (decbytes, len, byte_order, dec);
 
+  if (format != nullptr)
+    {
+      /* We don't handle format strings (yet).  If the host printf supports
+	 decimal floating point types, just use this.  Otherwise, fall back
+	 to printing the number while ignoring the format string.  */
+#if defined (PRINTF_HAS_DECFLOAT)
+      /* FIXME: This makes unwarranted assumptions about the host ABI!  */
+      return string_printf (format, dec);
+#endif
+    }
+
   std::string result;
   result.resize (MAX_DECIMAL_STRING);