From fd8767bb695bfa9a537ad36df46aa972ba48bd99 Mon Sep 17 00:00:00 2001
From: Andrew Turner <andrew@FreeBSD.org>
Date: Fri, 26 Oct 2018 11:53:20 +0000
Subject: [PATCH] Add __dso_handle to the BSD crtbegin. This is used to
 identify shared objects.

MFC with:	r339738
Sponsored by:	DARPA, AFRL
---
 lib/csu/common/crtbegin.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/csu/common/crtbegin.c b/lib/csu/common/crtbegin.c
index 46e604927ac0..c5fd6fe57d34 100644
--- a/lib/csu/common/crtbegin.c
+++ b/lib/csu/common/crtbegin.c
@@ -30,6 +30,14 @@ __FBSDID("$FreeBSD$");
 
 typedef void (*crt_func)(void);
 
+extern void *__dso_handle __hidden;
+
+#ifdef SHARED
+void *__dso_handle = &__dso_handle;
+#else
+void *__dso_handle = 0;
+#endif
+
 /*
  * On some architectures and toolchains we may need to call the .dtors.
  * These are called in the order they are in the ELF file.