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path: root/lib/spack/external/macholib/macho_dump.py
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#!/usr/bin/env python

from __future__ import print_function

import sys

from macholib._cmdline import main as _main
from macholib.MachO import MachO
from macholib.mach_o import get_cpu_subtype, CPU_TYPE_NAMES
from macholib.mach_o import MH_CIGAM_64, MH_MAGIC_64

ARCH_MAP = {
    ('<', '64-bit'): 'x86_64',
    ('<', '32-bit'): 'i386',
    ('>', '64-bit'): 'ppc64',
    ('>', '32-bit'): 'ppc',
}


def print_file(fp, path):
    print(path, file=fp)
    m = MachO(path)
    for header in m.headers:
        seen = set()

        if header.MH_MAGIC == MH_MAGIC_64 or header.MH_MAGIC == MH_CIGAM_64:
            sz = '64-bit'
        else:
            sz = '32-bit'

        arch = CPU_TYPE_NAMES.get(
                header.header.cputype, header.header.cputype)

        subarch = get_cpu_subtype(
                header.header.cputype, header.header.cpusubtype)

        print('    [%s endian=%r size=%r arch=%r subarch=%r]' % (
            header.__class__.__name__, header.endian, sz, arch, subarch),
            file=fp)
        for idx, name, other in header.walkRelocatables():
            if other not in seen:
                seen.add(other)
                print('\t' + other, file=fp)
    print('', file=fp)


def main():
    print(
        "WARNING: 'macho_dump' is deprecated, use 'python -mmacholib dump' "
        "instead")
    _main(print_file)


if __name__ == '__main__':
    try:
        sys.exit(main())
    except KeyboardInterrupt:
        pass