--- build/linux/chrome.map.orig	2021-05-01 21:15:31 UTC
+++ build/linux/chrome.map
@@ -1,4 +1,7 @@
 {
+local:
+  *;
+
 global:
   __bss_start;
   __data_start;
@@ -20,6 +23,10 @@ global:
   # Program entry point.
   _start;
 
+  # FreeBSD specific variables.
+  __progname;
+  environ;
+
   # Memory allocation symbols.  We want chrome and any libraries to
   # share the same heap, so it is correct to export these symbols.
   calloc;
@@ -83,7 +90,4 @@ global:
   localtime_r;
 
   v8dbg_*;
-
-local:
-  *;
 };