diff options
Diffstat (limited to 'test/Scripts/macho-dumpx')
| -rwxr-xr-x | test/Scripts/macho-dumpx | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/test/Scripts/macho-dumpx b/test/Scripts/macho-dumpx deleted file mode 100755 index 71e06d8..0000000 --- a/test/Scripts/macho-dumpx +++ /dev/null @@ -1,294 +0,0 @@ -#!/usr/bin/env python - -import struct -import sys -import StringIO - -import common_dump - -class Reader: - def __init__(self, path): - if path == '-': - # Snarf all the data so we can seek. - self.file = StringIO.StringIO(sys.stdin.read()) - else: - self.file = open(path,'rb') - self.isLSB = None - self.is64Bit = None - - self.string_table = None - - def tell(self): - return self.file.tell() - - def seek(self, pos): - self.file.seek(pos) - - def read(self, N): - data = self.file.read(N) - if len(data) != N: - raise ValueError,"Out of data!" - return data - - def read8(self): - return ord(self.read(1)) - - def read16(self): - return struct.unpack('><'[self.isLSB] + 'H', self.read(2))[0] - - def read32(self): - # Force to 32-bit, if possible; otherwise these might be long ints on a - # big-endian platform. FIXME: Why??? - Value = struct.unpack('><'[self.isLSB] + 'I', self.read(4))[0] - return int(Value) - - def read64(self): - Value = struct.unpack('><'[self.isLSB] + 'Q', self.read(8))[0] - if Value == int(Value): - Value = int(Value) - return Value - - def registerStringTable(self, strings): - if self.string_table is not None: - raise ValueError,"%s: warning: multiple string tables" % sys.argv[0] - - self.string_table = strings - - def getString(self, index): - if self.string_table is None: - raise ValueError,"%s: warning: no string table registered" % sys.argv[0] - - end = self.string_table.index('\x00', index) - return self.string_table[index:end] - -def dumpmacho(path, opts): - f = Reader(path) - - magic = f.read(4) - if magic == '\xFE\xED\xFA\xCE': - f.isLSB, f.is64Bit = False, False - elif magic == '\xCE\xFA\xED\xFE': - f.isLSB, f.is64Bit = True, False - elif magic == '\xFE\xED\xFA\xCF': - f.isLSB, f.is64Bit = False, True - elif magic == '\xCF\xFA\xED\xFE': - f.isLSB, f.is64Bit = True, True - else: - raise ValueError,"Not a Mach-O object file: %r (bad magic)" % path - - print "('cputype', %r)" % f.read32() - print "('cpusubtype', %r)" % f.read32() - filetype = f.read32() - print "('filetype', %r)" % filetype - - numLoadCommands = f.read32() - print "('num_load_commands', %r)" % numLoadCommands - - loadCommandsSize = f.read32() - print "('load_commands_size', %r)" % loadCommandsSize - - print "('flag', %r)" % f.read32() - - if f.is64Bit: - print "('reserved', %r)" % f.read32() - - start = f.tell() - - print "('load_commands', [" - for i in range(numLoadCommands): - dumpLoadCommand(f, i, opts) - print "])" - - if f.tell() - start != loadCommandsSize: - raise ValueError,"%s: warning: invalid load commands size: %r" % ( - sys.argv[0], loadCommandsSize) - -def dumpLoadCommand(f, i, opts): - start = f.tell() - - print " # Load Command %r" % i - cmd = f.read32() - print " (('command', %r)" % cmd - cmdSize = f.read32() - print " ('size', %r)" % cmdSize - - if cmd == 1: - dumpSegmentLoadCommand(f, opts, False) - elif cmd == 2: - dumpSymtabCommand(f, opts) - elif cmd == 11: - dumpDysymtabCommand(f, opts) - elif cmd == 25: - dumpSegmentLoadCommand(f, opts, True) - elif cmd == 27: - import uuid - print " ('uuid', %s)" % uuid.UUID(bytes=f.read(16)) - else: - print >>sys.stderr,"%s: warning: unknown load command: %r" % ( - sys.argv[0], cmd) - f.read(cmdSize - 8) - print " )," - - if f.tell() - start != cmdSize: - raise ValueError,"%s: warning: invalid load command size: %r" % ( - sys.argv[0], cmdSize) - -def dumpSegmentLoadCommand(f, opts, is64Bit): - print " ('segment_name', %r)" % f.read(16) - if is64Bit: - print " ('vm_addr', %r)" % f.read64() - print " ('vm_size', %r)" % f.read64() - print " ('file_offset', %r)" % f.read64() - print " ('file_size', %r)" % f.read64() - else: - print " ('vm_addr', %r)" % f.read32() - print " ('vm_size', %r)" % f.read32() - print " ('file_offset', %r)" % f.read32() - print " ('file_size', %r)" % f.read32() - print " ('maxprot', %r)" % f.read32() - print " ('initprot', %r)" % f.read32() - numSections = f.read32() - print " ('num_sections', %r)" % numSections - print " ('flags', %r)" % f.read32() - - print " ('sections', [" - for i in range(numSections): - dumpSection(f, i, opts, is64Bit) - print " ])" - -def dumpSymtabCommand(f, opts): - symoff = f.read32() - print " ('symoff', %r)" % symoff - nsyms = f.read32() - print " ('nsyms', %r)" % nsyms - stroff = f.read32() - print " ('stroff', %r)" % stroff - strsize = f.read32() - print " ('strsize', %r)" % strsize - - prev_pos = f.tell() - - f.seek(stroff) - string_data = f.read(strsize) - print " ('_string_data', %r)" % string_data - - f.registerStringTable(string_data) - - f.seek(symoff) - print " ('_symbols', [" - for i in range(nsyms): - dumpNlist32(f, i, opts) - print " ])" - - f.seek(prev_pos) - -def dumpNlist32(f, i, opts): - print " # Symbol %r" % i - n_strx = f.read32() - print " (('n_strx', %r)" % n_strx - n_type = f.read8() - print " ('n_type', %#x)" % n_type - n_sect = f.read8() - print " ('n_sect', %r)" % n_sect - n_desc = f.read16() - print " ('n_desc', %r)" % n_desc - if f.is64Bit: - n_value = f.read64() - print " ('n_value', %r)" % n_value - else: - n_value = f.read32() - print " ('n_value', %r)" % n_value - print " ('_string', %r)" % f.getString(n_strx) - print " )," - -def dumpDysymtabCommand(f, opts): - print " ('ilocalsym', %r)" % f.read32() - print " ('nlocalsym', %r)" % f.read32() - print " ('iextdefsym', %r)" % f.read32() - print " ('nextdefsym', %r)" % f.read32() - print " ('iundefsym', %r)" % f.read32() - print " ('nundefsym', %r)" % f.read32() - print " ('tocoff', %r)" % f.read32() - print " ('ntoc', %r)" % f.read32() - print " ('modtaboff', %r)" % f.read32() - print " ('nmodtab', %r)" % f.read32() - print " ('extrefsymoff', %r)" % f.read32() - print " ('nextrefsyms', %r)" % f.read32() - indirectsymoff = f.read32() - print " ('indirectsymoff', %r)" % indirectsymoff - nindirectsyms = f.read32() - print " ('nindirectsyms', %r)" % nindirectsyms - print " ('extreloff', %r)" % f.read32() - print " ('nextrel', %r)" % f.read32() - print " ('locreloff', %r)" % f.read32() - print " ('nlocrel', %r)" % f.read32() - - prev_pos = f.tell() - - f.seek(indirectsymoff) - print " ('_indirect_symbols', [" - for i in range(nindirectsyms): - print " # Indirect Symbol %r" % i - print " (('symbol_index', %#x),)," % f.read32() - print " ])" - - f.seek(prev_pos) - -def dumpSection(f, i, opts, is64Bit): - print " # Section %r" % i - print " (('section_name', %r)" % f.read(16) - print " ('segment_name', %r)" % f.read(16) - if is64Bit: - print " ('address', %r)" % f.read64() - size = f.read64() - print " ('size', %r)" % size - else: - print " ('address', %r)" % f.read32() - size = f.read32() - print " ('size', %r)" % size - offset = f.read32() - print " ('offset', %r)" % offset - print " ('alignment', %r)" % f.read32() - reloc_offset = f.read32() - print " ('reloc_offset', %r)" % reloc_offset - num_reloc = f.read32() - print " ('num_reloc', %r)" % num_reloc - print " ('flags', %#x)" % f.read32() - print " ('reserved1', %r)" % f.read32() - print " ('reserved2', %r)" % f.read32() - if is64Bit: - print " ('reserved3', %r)" % f.read32() - print " )," - - prev_pos = f.tell() - - f.seek(reloc_offset) - print " ('_relocations', [" - for i in range(num_reloc): - print " # Relocation %r" % i - print " (('word-0', %#x)," % f.read32() - print " ('word-1', %#x))," % f.read32() - print " ])" - - if opts.dumpSectionData: - f.seek(offset) - print " ('_section_data', '%s')" % common_dump.dataToHex(f.read(size)) - - f.seek(prev_pos) - -def main(): - from optparse import OptionParser, OptionGroup - parser = OptionParser("usage: %prog [options] {files}") - parser.add_option("", "--dump-section-data", dest="dumpSectionData", - help="Dump the contents of sections", - action="store_true", default=False) - (opts, args) = parser.parse_args() - - if not args: - args.append('-') - - for arg in args: - dumpmacho(arg, opts) - -if __name__ == '__main__': - main() |
