PR15031 fix: Add _stp_print_binary() function to dyninst runtime.

* runtime/dyninst/print.c (_stp_print_binary): Copied over from
  runtime/linux/print.c.

diff --git a/runtime/dyninst/print.c b/runtime/dyninst/print.c
index 4332816a85c568733fb8cb2a9554c7a40fb797dc..bbffe5d860c7a24e6564c511bfe7361bbf9f8fa8 100644 (file)
--- a/runtime/dyninst/print.c
+++ b/runtime/dyninst/print.c
@@ -113,6 +113,10 @@ static void * _stp_reserve_bytes (int numbytes)
        return ret;
 }
 
+#ifndef STP_MAXBINARYARGS
+#define STP_MAXBINARYARGS 127
+#endif
+
 static void _stp_unreserve_bytes (int numbytes)
 {
        _stp_pbuf_t *pbuf;
@@ -126,6 +130,31 @@ static void _stp_unreserve_bytes (int numbytes)
 
        pbuf->buf_used -= numbytes;
 }
+/** Write 64-bit args directly into the output stream.
+ * This function takes a variable number of 64-bit arguments
+ * and writes them directly into the output stream.  Marginally faster
+ * than doing the same in _stp_vsnprintf().
+ * @sa _stp_vsnprintf()
+ */
+static void _stp_print_binary (int num, ...)
+{
+       va_list vargs;
+       int i;
+       int64_t *args;
+       
+       if (unlikely(num > STP_MAXBINARYARGS))
+               num = STP_MAXBINARYARGS;
+
+       args = _stp_reserve_bytes(num * sizeof(int64_t));
+
+       if (likely(args != NULL)) {
+               va_start(vargs, num);
+               for (i = 0; i < num; i++) {
+                       args[i] = va_arg(vargs, int64_t);
+               }
+               va_end(vargs);
+       }
+}
 
 static void _stp_printf (const char *fmt, ...)
 {