ld-script-builtins

ld-script-builtins is a variable defined in `ld-script.el'.
Its value is

("CONSTANT" "MAXPAGESIZE" "COMMONPAGESIZE" "ABSOLUTE" "ADDR" "ALIGN" "ALIGNOF" "BLOCK" "DATA_SEGMENT_ALIGN" "DATA_SEGMENT_END" "DATA_SEGMENT_RELRO_END" "DEFINED" "LENGTH" "len" "l" "LOADADDR" "MAX" "MIN" "NEXT" "ORIGIN" "org" "o" "SEGMENT_START" "SIZEOF" "SIZEOF_HEADERS" "sizeof_headers")

Documentation:
Builtin functions of GNU ld script.