diff --git a/erlang/apps/lib/include/pdp10_elf36.hrl b/erlang/apps/lib/include/pdp10_elf36.hrl
index eb9ed3d..029acb6 100644
--- a/erlang/apps/lib/include/pdp10_elf36.hrl
+++ b/erlang/apps/lib/include/pdp10_elf36.hrl
@@ -575,6 +575,7 @@
 -define(SHT_GNU_HASH,                   16#6ffffff6). % GNU style symbol hash table
 -define(SHT_GNU_LIBLIST,                16#6ffffff7). % List of prelink dependencies
 -define(SHT_CHECKSUM,                   16#6ffffff8). % Checksum for DSO content.
+-define(SHT_GNU_OBJECT_ONLY,            16#6ffffff9). % Object only
 
 -define(SHT_SUNW_move,                  16#6ffffffa).
 -define(SHT_SUNW_COMDAT,                16#6ffffffb).
@@ -1031,6 +1032,7 @@
 %% Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0).
 -define(GNU_PROPERTY_STACK_SIZE,                1).
 -define(GNU_PROPERTY_NO_COPY_ON_PROTECTED,      2).
+-define(GNU_PROPERTY_MEMORY_SEAL,               3).
 
 %% A 4-byte unsigned integer property: A bit is set if it is set in all
 %% relocatable inputs.
@@ -1171,6 +1173,7 @@
 
 -define(GNU_PROPERTY_AARCH64_FEATURE_1_BTI,     (1 bsl 0)).
 -define(GNU_PROPERTY_AARCH64_FEATURE_1_PAC,     (1 bsl 1)).
+-define(GNU_PROPERTY_AARCH64_FEATURE_1_GCS,     (1 bsl 2)).
 
 %% Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG).
 -define(GNU_ABI_TAG_LINUX,      0).