shuffleld

#!/usr/bin/python3
import sys
import random
import subprocess

begin=list()
obj=list()
tail=list()

#Don't shuffle those, led to crashes, sometimes.
blacklist = [ "Scrt1.o", "crtn.o", "crti.o", "crt1.o", "crtbeginS.o", "crtbegin.o", "crtbeginT.o", "crtend.o", "crtendS.o", "crtfastmath.o", "crtprec32.o",    "crtprec64.o",   "crtprec80.o", "libasan_preinit.o"]

prog=sys.argv[1]
combined=sys.argv[2:]

def is_excluded(obj):
    #TODO: check whether it's an .o in a gcc or lib directory
    return obj.endswith(tuple(blacklist))


if prog.endswith("collect2") or prog.endswith("ld"):
        for arg in sys.argv[2:]:
            if (arg.endswith(".o") or arg.endswith(".os.dt") or arg.endswith(".os")) and not is_excluded(arg):
                obj.append(arg)
            else:
                if len(obj) == 0:
                    begin.append(arg)
                else:
                    tail.append(arg)

        random.shuffle(obj)
        combined=begin
        combined.extend(obj)
        combined.extend(tail)
args=list()
args.append(prog)
args.extend(combined)
exit(subprocess.run(args).returncode)