diff --git a/linker/linker_phdr.h b/linker/linker_phdr.h
index 548dc51..98bf020 100644
--- a/linker/linker_phdr.h
+++ b/linker/linker_phdr.h
@@ -120,6 +120,8 @@
 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);
 
+size_t phdr_table_get_maximum_alignment(const ElfW(Phdr)* phdr_table, size_t phdr_count);
+
 int phdr_table_protect_segments(const ElfW(Phdr)* phdr_table, size_t phdr_count,
                                 ElfW(Addr) load_bias, const GnuPropertySection* prop = nullptr);