Search notes:
/usr/lib/crt1.o
This
object file
contains the
_start
entry point.
The
GNU lib c
defines it in
sysdeps/x86_64/elf/start.S
.
See also
/usr/lib/crtn.o
Compare with the
Windows
CRT startup code in
crt0.c
main()
gcc -nostdlib
/usr/lib
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