You can use this option only in text mode.

The following example shows the output for --decode_build_attributes:

** Section #12 '.ARM.attributes' (SHT_ARM_ATTRIBUTES)
    Size   : 69 bytes

    'aeabi' file build attributes:
    0x000000:   05 41 52 4d 37 54 44 4d 49 00 06 02 08 01 11 01    .ARM7TDMI.......
    0x000010:   12 02 14 02 17 01 18 01 19 01 1a 01 1e 03 20 02    .............. .
    0x000020:   41 52 4d 00                                        ARM.
        Tag_CPU_name = "ARM7TDMI"
        Tag_CPU_arch = ARM v4T (=2)
        Tag_ARM_ISA_use = ARM instructions were permitted to be used (=1)
        Tag_ABI_PCS_GOT_use = Data are imported directly (=1)
        Tag_ABI_PCS_wchar_t = Size of wchar_t is 2 (=2)
        Tag_ABI_FP_denormal = This code was permitted to require that the sign of a flushed-to-zero number be preserved in the sign of 0 (=2)
        Tag_ABI_FP_number_model = This code was permitted to use only IEEE 754 format FP numbers (=1)
        Tag_ABI_align8_needed = Code was permitted to depend on the 8-byte alignment of 8-byte data items (=1)
        Tag_ABI_align8_preserved = Code was required to preserve 8-byte alignment of 8-byte data objects (=1)
        Tag_ABI_enum_size = Enum values occupy the smallest container big enough to hold all values (=1)
        Tag_ABI_optimization_goals = Optimized for small size, but speed and debugging illusion preserved (=3)
        Tag_compatibility = 2, "ARM"

    'ARM' file build attributes:
    0x000000:   04 01 12 01                                        ....