From e6d4d29af559142062476ad4c7c243c5f1769fd9 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 3 Jul 2020 15:21:33 +0100
Subject: llvm mode shared segment fix for FreeBSD. MAP_EXCL|MAP_FIXED is a
 (genuine) equivalent to Linux's MAP_FIXED_NOREPLACE.

---
 llvm_mode/afl-llvm-rt.o.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'llvm_mode/afl-llvm-rt.o.c')

diff --git a/llvm_mode/afl-llvm-rt.o.c b/llvm_mode/afl-llvm-rt.o.c
index f81d13ee..9db43e35 100644
--- a/llvm_mode/afl-llvm-rt.o.c
+++ b/llvm_mode/afl-llvm-rt.o.c
@@ -53,7 +53,11 @@
 #define CONST_PRIO 5
 
 #ifndef MAP_FIXED_NOREPLACE
-  #define MAP_FIXED_NOREPLACE MAP_FIXED
+# ifdef MAP_EXCL
+   #define MAP_FIXED_NOREPLACE MAP_EXCL|MAP_FIXED
+#else
+   #define MAP_FIXED_NOREPLACE MAP_FIXED
+# endif
 #endif
 
 #include <sys/mman.h>
-- 
cgit 1.4.1