diff --git a/linker/linker_phdr.h b/linker/linker_phdr.h
index cc3296b..50f2117 100644
--- a/linker/linker_phdr.h
+++ b/linker/linker_phdr.h
@@ -84,6 +84,12 @@
 size_t phdr_table_get_load_size(const ElfW(Phdr)* phdr_table, size_t phdr_count,
                                 ElfW(Addr)* min_vaddr = nullptr, ElfW(Addr)* max_vaddr = nullptr);
 
+int phdr_table_protect_segments(const ElfW(Phdr)* phdr_table,
+                                size_t phdr_count, ElfW(Addr) load_bias);
+
+int phdr_table_unprotect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count,
+                                  ElfW(Addr) load_bias);
+
 int phdr_table_protect_gnu_relro(const ElfW(Phdr)* phdr_table, size_t phdr_count,
                                  ElfW(Addr) load_bias);