From e282b2227f4dac70bf805c59fc4c90e5a4e2c0ef Mon Sep 17 00:00:00 2001
From: leo60228 <iakornfeld@gmail.com>
Date: Thu, 21 Nov 2019 11:47:01 -0500
Subject: Document ARGV_INIT_ARRAY

---
 src/libstd/sys/unix/args.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/libstd/sys')

diff --git a/src/libstd/sys/unix/args.rs b/src/libstd/sys/unix/args.rs
index 209c5c542bc..58fa305a819 100644
--- a/src/libstd/sys/unix/args.rs
+++ b/src/libstd/sys/unix/args.rs
@@ -78,6 +78,8 @@ mod imp {
         ARGV = argv;
     }
 
+    /// glibc passes argc, argv, and envp to functions in .init_array, as a non-standard extension.
+    /// This allows `std::env::args` to work even in a `cdylib`, as it does on macOS and Windows.
     #[cfg(all(target_os = "linux", target_env = "gnu"))]
     #[used]
     #[link_section = ".init_array.00099"]
-- 
cgit 1.4.1-3-g733a5