From 209fd89a2810419309944f10d11834321f0ebb25 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Thu, 14 Nov 2024 05:54:24 +0200
Subject: [PATCH] _dl_iterate_phdr_locked(): fix libc and libdl

Add prototype.  Export from libdl.

Fixes:	1426fd6cff0603f0ee275b99f2ba35dc36f3d0c2
Reviewed by:	kevans
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D47563
---
 lib/libc/gen/dlfcn.c | 2 ++
 lib/libdl/Symbol.map | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/lib/libc/gen/dlfcn.c b/lib/libc/gen/dlfcn.c
index b814fdc845c4..bffee3952e0d 100644
--- a/lib/libc/gen/dlfcn.c
+++ b/lib/libc/gen/dlfcn.c
@@ -204,6 +204,8 @@ dl_init_phdr_info(void)
 #endif
 
 #pragma weak _dl_iterate_phdr_locked
+int _dl_iterate_phdr_locked(int (*callback)(struct dl_phdr_info *,
+    size_t, void *), void *data);
 int
 _dl_iterate_phdr_locked(
     int (*callback)(struct dl_phdr_info *, size_t, void *) __unused,
diff --git a/lib/libdl/Symbol.map b/lib/libdl/Symbol.map
index dd9a8252e4a3..f0e03c4940ce 100644
--- a/lib/libdl/Symbol.map
+++ b/lib/libdl/Symbol.map
@@ -22,3 +22,7 @@ FBSD_1.8 {
 	rtld_get_var;
 	rtld_set_var;
 };
+
+FBSDprivate_1.0 {
+	_dl_iterate_phdr_locked;
+};