Fix: gdb cannot parse some regs value when debugging ARM64

[the-soloist]

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edit: test with gdb 12.1

gdb-multiarch is unable to correctly retrieve the values of the cspr, fpsr, and fpcr registers when debugging programs on the ARM64 architecture because Qiling has not defined them.

After modification, it can be correctly parsed.

import sys
import qiling
import struct
from pathlib import Path
from qiling import Qiling
from qiling.debugger.qdb import QlQdb
from qiling.const import QL_VERBOSE
from qiling.os.mapper import QlFsMappedObject


def main():
    ql = Qiling(["./rootfs/bin/arm64_hello"],
                rootfs="./rootfs",
                verbose=QL_VERBOSE.DEBUG)
    ql.debugger = True
    ql.run()


if __name__ == "__main__":
    main()

• https://community.arm.com/support-forums/f/infrastructure-solutions-forum/48875/armv8-why-does-not-use-current-program-status-register-cpsr