A "location description [that] is a register operation" is the language in
DWARF v3; in later versions, it is "a simple register location description."
This means something like DW_OP_reg5, which is allowed in a location
description but not in a DWARF expression.
Form DW_FORM_data4, value 0, wo
Please help me interpret the DWARF spec regarding the DW_AT_frame_base.
Quoted by spec v3, section 3.5.5, but similar wording in v4 and v5:
"A subroutine or entry point entry may also have a DW_AT_frame_base
attribute, whose value is a location description that computes the "frame
base" for the
