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Linker merging of comment sections
If input files have any comment sections that are identical, then the linker can merge them.
If input object files have any .comment
sections that are identical, then the linker merges them to produce the smallest .comment
section while retaining all useful information.
The linker associates each input .comment
section with the filename of the
corresponding input object. If it merges identical .comment
sections, then
all the filenames that contain the common section are listed before the section contents,
for example:
file1.o file2.o .comment section contents.
The linker merges these sections by default. To prevent the merging of identical
.comment
sections, use the --no_filtercomment
command-line option.
Note
armlink does not preprocess comment sections from armclang. If you do not want to retain the information in a.comment
section, then
use the fromelf command with the --strip=comment
option to strip this section from the
image.