diff --git a/linker/linker_phdr.h b/linker/linker_phdr.h
index 2f159f3..353970c 100644
--- a/linker/linker_phdr.h
+++ b/linker/linker_phdr.h
@@ -39,6 +39,8 @@
 #include "linker_mapped_file_fragment.h"
 #include "linker_note_gnu_property.h"
 
+#include <list>
+
 #define MAYBE_MAP_FLAG(x, from, to)  (((x) & (from)) ? (to) : 0)
 #define PFLAGS_TO_PROT(x)            (MAYBE_MAP_FLAG((x), PF_X, PROT_EXEC) | \
                                       MAYBE_MAP_FLAG((x), PF_R, PROT_READ) | \
@@ -188,3 +190,13 @@
                                             ElfW(Addr) load_bias);
 
 bool page_size_migration_supported();
+
+int remap_memtag_globals_segments(const ElfW(Phdr) * phdr_table, size_t phdr_count,
+                                  ElfW(Addr) load_bias);
+
+void protect_memtag_globals_ro_segments(const ElfW(Phdr) * phdr_table, size_t phdr_count,
+                                        ElfW(Addr) load_bias);
+
+void name_memtag_globals_segments(const ElfW(Phdr) * phdr_table, size_t phdr_count,
+                                  ElfW(Addr) load_bias, const char* soname,
+                                  std::list<std::string>& vma_names);