Add constant values for GNU Property Type

Author: Charisee

src/elf.rs

@@ -1900,6 +1900,10 @@ pub const NT_GNU_GOLD_VERSION: u32 = 4;
 pub const NT_GNU_PROPERTY_TYPE_0: u32 = 5;
 
 // TODO: GNU_PROPERTY_*
+// Property Type
+pub const GNU_PROPERTY_AARCH64_FEATURE_1_AND: u32 = 0xc0000000;
+pub const GNU_PROPERTY_X86_FEATURE_1_AND: u32 = 0xc0000002;
+
 // TODO: Elf*_Move
 
 /// Header of `SHT_HASH` section.