forked from OSchip/llvm-project
143 lines
4.2 KiB
Python
Executable File
143 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Run lldb disassembler on all the binaries specified by a combination of root dir
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and path pattern.
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"""
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import os
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import sys
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import subprocess
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import re
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from optparse import OptionParser
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# The directory of this Python script as well as the lldb-disasm.py workhorse.
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scriptPath = None
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# The root directory for the SDK symbols.
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root_dir = None
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# The regular expression pattern to match the desired pathname to the binaries.
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path_pattern = None
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# And the re-compiled regular expression object.
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path_regexp = None
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# If specified, number of symbols to disassemble for each qualified binary.
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num_symbols = -1
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# Command template of the invocation of lldb disassembler.
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template = '%s/lldb-disasm.py -C "platform select remote-ios" -o "-n" -q -e %s -n %s'
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# Regular expression for detecting file output for Mach-o binary.
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mach_o = re.compile('\sMach-O.+binary')
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def isbinary(path):
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file_output = subprocess.Popen(["file", path],
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stdout=subprocess.PIPE).stdout.read()
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return (mach_o.search(file_output) is not None)
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def walk_and_invoke(sdk_root, path_regexp, suffix, num_symbols):
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"""Look for matched file and invoke lldb disassembly on it."""
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global scriptPath
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for root, dirs, files in os.walk(sdk_root, topdown=False):
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for name in files:
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path = os.path.join(root, name)
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# We're not interested in .h file.
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if name.endswith(".h"):
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continue
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# Neither a symbolically linked file.
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if os.path.islink(path):
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continue
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# We'll be pattern matching based on the path relative to the SDK
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# root.
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replaced_path = path.replace(root_dir, "", 1)
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# Check regular expression match for the replaced path.
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if not path_regexp.search(replaced_path):
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continue
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# If a suffix is specified, check it, too.
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if suffix and not name.endswith(suffix):
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continue
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if not isbinary(path):
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continue
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command = template % (
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scriptPath, path, num_symbols if num_symbols > 0 else 1000)
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print "Running %s" % (command)
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os.system(command)
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def main():
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"""Read the root dir and the path spec, invoke lldb-disasm.py on the file."""
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global scriptPath
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global root_dir
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global path_pattern
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global path_regexp
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global num_symbols
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scriptPath = sys.path[0]
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parser = OptionParser(usage="""\
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Run lldb disassembler on all the binaries specified by a combination of root dir
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and path pattern.
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""")
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parser.add_option(
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'-r',
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'--root-dir',
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type='string',
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action='store',
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dest='root_dir',
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help='Mandatory: the root directory for the SDK symbols.')
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parser.add_option(
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'-p',
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'--path-pattern',
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type='string',
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action='store',
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dest='path_pattern',
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help='Mandatory: regular expression pattern for the desired binaries.')
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parser.add_option('-s', '--suffix',
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type='string', action='store', default=None,
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dest='suffix',
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help='Specify the suffix of the binaries to look for.')
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parser.add_option(
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'-n',
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'--num-symbols',
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type='int',
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action='store',
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default=-1,
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dest='num_symbols',
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help="""The number of symbols to disassemble, if specified.""")
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opts, args = parser.parse_args()
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if not opts.root_dir or not opts.path_pattern:
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parser.print_help()
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sys.exit(1)
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# Sanity check the root directory.
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root_dir = opts.root_dir
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root_dir = os.path.abspath(root_dir)
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if not os.path.isdir(root_dir):
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parser.print_help()
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sys.exit(1)
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path_pattern = opts.path_pattern
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path_regexp = re.compile(path_pattern)
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suffix = opts.suffix
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num_symbols = opts.num_symbols
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print "Root directory for SDK symbols:", root_dir
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print "Regular expression for the binaries:", path_pattern
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print "Suffix of the binaries to look for:", suffix
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print "num of symbols to disassemble:", num_symbols
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walk_and_invoke(root_dir, path_regexp, suffix, num_symbols)
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if __name__ == '__main__':
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main()
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