Hello Martin,

attached is a proof of concept. I am not sure how I can make the new 
section read-only. Currently, it is writable:

         .section        .gcov_info,"aw"
         .align 2
         .type   .LPBX2, @object
         .size   .LPBX2, 4
.LPBX2:
         .long   .LPBX0

I probably need also a patch for the GCC options documentation, test 
cases, a GCC bootstrap on Linux, release notes, ...? Do I have to wait 
for the GCC 11 development start?

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