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Diffstat (limited to 'examples/python/globals.py')
| -rwxr-xr-x | examples/python/globals.py | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/examples/python/globals.py b/examples/python/globals.py new file mode 100755 index 000000000000..fb2739c8b69c --- /dev/null +++ b/examples/python/globals.py @@ -0,0 +1,72 @@ +#!/usr/bin/python + +#---------------------------------------------------------------------- +# For the shells csh, tcsh: +# ( setenv PYTHONPATH /Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python ; ./globals.py <path> [<path> ...]) +# +# For the shells sh, bash: +# PYTHONPATH=/Applications/Xcode.app/Contents/SharedFrameworks/LLDB.framework/Resources/Python ./globals.py <path> [<path> ...] +#---------------------------------------------------------------------- + +import lldb +import commands +import optparse +import os +import shlex +import sys + +def get_globals(raw_path, options): + error = lldb.SBError() + # Resolve the path if needed + path = os.path.expanduser(raw_path) + # Create a target using path + options + target = lldb.debugger.CreateTarget(path, options.arch, options.platform, False, error) + if target: + # Get the executable module + module = target.module[target.executable.basename] + if module: + # Keep track of which variables we have already looked up + global_names = list() + # Iterate through all symbols in the symbol table and watch for any DATA symbols + for symbol in module.symbols: + if symbol.type == lldb.eSymbolTypeData: + # The symbol is a DATA symbol, lets try and find all global variables + # that match this name and print them + global_name = symbol.name + # Make sure we don't lookup the same variable twice + if global_name not in global_names: + global_names.append(global_name) + # Find all global variables by name + global_variable_list = module.FindGlobalVariables (target, global_name, lldb.UINT32_MAX) + if global_variable_list: + # Print results for anything that matched + for global_variable in global_variable_list: + print 'name = %s' % global_variable.name # returns the global variable name as a string + print 'value = %s' % global_variable.value # Returns the variable value as a string + print 'type = %s' % global_variable.type # Returns an lldb.SBType object + print 'addr = %s' % global_variable.addr # Returns an lldb.SBAddress (section offset address) for this global + print 'file_addr = 0x%x' % global_variable.addr.file_addr # Returns the file virtual address for this global + print 'location = %s' % global_variable.location # returns the global variable value as a string + print 'size = %s' % global_variable.size # Returns the size in bytes of this global variable + print + +def globals(command_args): + '''Extract all globals from any arguments which must be paths to object files.''' + usage = "usage: %prog [options] <PATH> [PATH ...]" + description='''This command will find all globals in the specified object file and return an list() of lldb.SBValue objects (which might be empty).''' + parser = optparse.OptionParser(description=description, prog='globals',usage=usage) + parser.add_option('-v', '--verbose', action='store_true', dest='verbose', help='display verbose debug info', default=False) + parser.add_option('-a', '--arch', type='string', metavar='arch', dest='arch', help='Specify an architecture (or triple) to use when extracting from a file.') + parser.add_option('-p', '--platform', type='string', metavar='platform', dest='platform', 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".') + try: + (options, args) = parser.parse_args(command_args) + except: + return + + for path in args: + get_globals (path, options) + +if __name__ == '__main__': + lldb.debugger = lldb.SBDebugger.Create() + globals (sys.argv[1:]) + |