113 lines
4.7 KiB
Python
113 lines
4.7 KiB
Python
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#!/usr/bin/env python
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# ----------------------------------------------------------------------
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# For the shells csh, tcsh:
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# ( setenv PYTHONPATH /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python ; ./globals.py <path> [<path> ...])
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#
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# For the shells sh, bash:
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# PYTHONPATH=/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python ./globals.py <path> [<path> ...]
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# ----------------------------------------------------------------------
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import lldb
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import optparse
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import os
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import shlex
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import sys
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def get_globals(raw_path, options):
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error = lldb.SBError()
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# Resolve the path if needed
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path = os.path.expanduser(raw_path)
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# Create a target using path + options
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target = lldb.debugger.CreateTarget(
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path, options.arch, options.platform, False, error
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)
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if target:
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# Get the executable module
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module = target.module[target.executable.basename]
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if module:
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# Keep track of which variables we have already looked up
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global_names = list()
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# Iterate through all symbols in the symbol table and watch for any
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# DATA symbols
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for symbol in module.symbols:
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if symbol.type == lldb.eSymbolTypeData:
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# The symbol is a DATA symbol, lets try and find all global variables
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# that match this name and print them
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global_name = symbol.name
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# Make sure we don't lookup the same variable twice
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if global_name not in global_names:
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global_names.append(global_name)
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# Find all global variables by name
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global_variable_list = module.FindGlobalVariables(
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target, global_name, lldb.UINT32_MAX
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)
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if global_variable_list:
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# Print results for anything that matched
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for global_variable in global_variable_list:
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# returns the global variable name as a string
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print("name = %s" % global_variable.name)
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# Returns the variable value as a string
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print("value = %s" % global_variable.value)
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print(
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"type = %s" % global_variable.type
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) # Returns an lldb.SBType object
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# Returns an lldb.SBAddress (section offset
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# address) for this global
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print("addr = %s" % global_variable.addr)
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# Returns the file virtual address for this
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# global
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print(
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"file_addr = 0x%x" % global_variable.addr.file_addr
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)
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# returns the global variable value as a string
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print("location = %s" % global_variable.location)
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# Returns the size in bytes of this global
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# variable
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print("size = %s" % global_variable.size)
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print()
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def globals(command_args):
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"""Extract all globals from any arguments which must be paths to object files."""
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usage = "usage: %prog [options] <PATH> [PATH ...]"
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description = """This command will find all globals in the specified object file and return an list() of lldb.SBValue objects (which might be empty)."""
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parser = optparse.OptionParser(description=description, prog="globals", usage=usage)
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parser.add_option(
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"-v",
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"--verbose",
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action="store_true",
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dest="verbose",
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help="display verbose debug info",
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default=False,
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)
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parser.add_option(
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"-a",
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"--arch",
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type="string",
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metavar="arch",
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dest="arch",
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help="Specify an architecture (or triple) to use when extracting from a file.",
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)
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parser.add_option(
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"-p",
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"--platform",
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type="string",
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metavar="platform",
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dest="platform",
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help='Specify the platform to use when creating the debug target. Valid values include "localhost", "darwin-kernel", "ios-simulator", "remote-freebsd", "remote-macosx", "remote-ios", "remote-linux".',
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)
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try:
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(options, args) = parser.parse_args(command_args)
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except:
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return
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for path in args:
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get_globals(path, options)
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if __name__ == "__main__":
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lldb.debugger = lldb.SBDebugger.Create()
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globals(sys.argv[1:])
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