3.3.2 Section placement with the FIRST and LAST attributes
You can make sure that a section is placed either first or last in its execution region. For example, you might want to make sure the section containing the vector table is placed first in the image.
To do this, use one of the following methods:
If you are not using scatter-loading, use the
--last linker command-line options to place input sections.
If you are using scatter-loading, use the attributes
LAST in the scatter file to mark the first and last input sections in
an execution region if the placement order is important.
LAST must not violate the basic
attribute sorting order. For example,
FIRST RW is placed after any
read-only code or read-only data.