gcc piepic

https://duetorun.com/blog/20230625/elf-dyn-tour/#gcc_piepic

If ABSOLUTE were not used, _edata would be relative to the .data section

https://ww1.microchip.com/downloads/aemDocuments/documents/DEV/ProductDocuments/UserGuides/MPLAB-XC32-Assembler-Linker-and-Utilities-User-Guide-PIC32A-50003839A.pdf

PIC

https://www.linux.org.ru/forum/development/14617028

https://codywu2010.wordpress.com/2014/11/29/about-elf-pie-pic-and-else/

$ chmod -x hello
$ ./hello
bash: ./hello: Permission denied

$ /lib64/ld-linux-x86-64.so.2 ./hello
Hello