def avail_archs(self):
        ''' Initialize the dictionary of architectures for assembling via keystone'''

        return {
            ARM32:   (KS_ARCH_ARM,     KS_MODE_ARM),
            ARM64:   (KS_ARCH_ARM64,   KS_MODE_LITTLE_ENDIAN),
            ARM_TB:  (KS_ARCH_ARM,     KS_MODE_THUMB),
            HEXAGON: (KS_ARCH_HEXAGON, KS_MODE_BIG_ENDIAN),
            MIPS32:  (KS_ARCH_MIPS,    KS_MODE_MIPS32),
            MIPS64:  (KS_ARCH_MIPS,    KS_MODE_MIPS64),
            PPC32:   (KS_ARCH_PPC,     KS_MODE_PPC32),
            PPC64:   (KS_ARCH_PPC,     KS_MODE_PPC64),
            SPARC32: (KS_ARCH_SPARC,   KS_MODE_SPARC32),
            SPARC64: (KS_ARCH_SPARC,   KS_MODE_SPARC64),
            SYSTEMZ: (KS_ARCH_SYSTEMZ, KS_MODE_BIG_ENDIAN),
            X86_16:  (KS_ARCH_X86,     KS_MODE_16),
            X86_32:  (KS_ARCH_X86,     KS_MODE_32),
            X86_64:  (KS_ARCH_X86,     KS_MODE_64),
        }
Initialize the dictionary of architectures for assembling via keystone