Currently, LLD supports ASSERT as a separate command.
We support two forms now.
- Assign expression-view: . = ASSERT(0x100)
(old GNU ld required it and some scripts in the wild are still using
something like . = ASSERT((_end - _text <= (512 * 1024 * 1024)), "kernel image bigger than KERNEL_IMAGE_SIZE");
- Nowadays above is not a mandatory form and command-like form is commonly used:
The return value of the ASSERT is Dot. That was implemented in D30171.
It looks like (2) is just a short version of (1) then.
GNU ld does *not* list ASSERT as a SECTIONS command:
Given above I think we can change ASSERT to be an assignment to Dot.
That makes the rest of the code much simpler.