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Diffstat (limited to 'examples/python/jump.py')
| -rw-r--r-- | examples/python/jump.py | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/examples/python/jump.py b/examples/python/jump.py deleted file mode 100644 index 6e41b4c8098f..000000000000 --- a/examples/python/jump.py +++ /dev/null @@ -1,196 +0,0 @@ -import lldb -import re - - -def parse_linespec(linespec, frame, result): - """Handles a subset of GDB-style linespecs. Specifically: - - number - A line in the current file - +offset - The line /offset/ lines after this line - -offset - The line /offset/ lines before this line - filename:number - Line /number/ in file /filename/ - function - The start of /function/ - *address - The pointer target of /address/, which must be a literal (but see `` in LLDB) - - We explicitly do not handle filename:function because it is ambiguous in Objective-C. - - This function returns a list of addresses.""" - - breakpoint = None - target = frame.GetThread().GetProcess().GetTarget() - - matched = False - - if (not matched): - mo = re.match("^([0-9]+)$", linespec) - if (mo is not None): - matched = True - # print "Matched <linenum>" - line_number = int(mo.group(1)) - line_entry = frame.GetLineEntry() - if not line_entry.IsValid(): - result.AppendMessage( - "Specified a line in the current file, but the current frame doesn't have line table information.") - return - breakpoint = target.BreakpointCreateByLocation( - line_entry.GetFileSpec(), line_number) - - if (not matched): - mo = re.match("^\+([0-9]+)$", linespec) - if (mo is not None): - matched = True - # print "Matched +<count>" - line_number = int(mo.group(1)) - line_entry = frame.GetLineEntry() - if not line_entry.IsValid(): - result.AppendMessage( - "Specified a line in the current file, but the current frame doesn't have line table information.") - return - breakpoint = target.BreakpointCreateByLocation( - line_entry.GetFileSpec(), (line_entry.GetLine() + line_number)) - - if (not matched): - mo = re.match("^\-([0-9]+)$", linespec) - if (mo is not None): - matched = True - # print "Matched -<count>" - line_number = int(mo.group(1)) - line_entry = frame.GetLineEntry() - if not line_entry.IsValid(): - result.AppendMessage( - "Specified a line in the current file, but the current frame doesn't have line table information.") - return - breakpoint = target.BreakpointCreateByLocation( - line_entry.GetFileSpec(), (line_entry.GetLine() - line_number)) - - if (not matched): - mo = re.match("^(.*):([0-9]+)$", linespec) - if (mo is not None): - matched = True - # print "Matched <filename>:<linenum>" - file_name = mo.group(1) - line_number = int(mo.group(2)) - breakpoint = target.BreakpointCreateByLocation( - file_name, line_number) - - if (not matched): - mo = re.match("\*((0x)?([0-9a-f]+))$", linespec) - if (mo is not None): - matched = True - # print "Matched <address-expression>" - address = long(mo.group(1), base=0) - breakpoint = target.BreakpointCreateByAddress(address) - - if (not matched): - # print "Trying <function-name>" - breakpoint = target.BreakpointCreateByName(linespec) - - num_locations = breakpoint.GetNumLocations() - - if (num_locations == 0): - result.AppendMessage( - "The line specification provided doesn't resolve to any addresses.") - - addr_list = [] - - for location_index in range(num_locations): - location = breakpoint.GetLocationAtIndex(location_index) - addr_list.append(location.GetAddress()) - - target.BreakpointDelete(breakpoint.GetID()) - - return addr_list - - -def usage_string(): - return """ Sets the program counter to a specific address. - -Syntax: jump <linespec> [<location-id>] - -Command Options Usage: - jump <linenum> - jump +<count> - jump -<count> - jump <filename>:<linenum> - jump <function-name> - jump *<address-expression> - -<location-id> serves to disambiguate when multiple locations could be meant.""" - - -def jump(debugger, command, result, internal_dict): - if (command == ""): - result.AppendMessage(usage_string()) - - args = command.split() - - if not debugger.IsValid(): - result.AppendMessage("Invalid debugger!") - return - - target = debugger.GetSelectedTarget() - if not target.IsValid(): - result.AppendMessage("jump requires a valid target.") - return - - process = target.GetProcess() - if not process.IsValid(): - result.AppendMessage("jump requires a valid process.") - return - - thread = process.GetSelectedThread() - if not thread.IsValid(): - result.AppendMessage("jump requires a valid thread.") - return - - frame = thread.GetSelectedFrame() - if not frame.IsValid(): - result.AppendMessage("jump requires a valid frame.") - return - - addresses = parse_linespec(args[0], frame, result) - - stream = lldb.SBStream() - - if len(addresses) == 0: - return - - desired_address = addresses[0] - - if len(addresses) > 1: - if len(args) == 2: - desired_index = int(args[1]) - if (desired_index >= 0) and (desired_index < len(addresses)): - desired_address = addresses[desired_index] - else: - result.AppendMessage( - "Desired index " + - args[1] + - " is not one of the options.") - return - else: - index = 0 - result.AppendMessage( - "The specified location resolves to multiple targets.") - for address in addresses: - stream.Clear() - address.GetDescription(stream) - result.AppendMessage( - " Location ID " + - str(index) + - ": " + - stream.GetData()) - index = index + 1 - result.AppendMessage( - "Please type 'jump " + - command + - " <location-id>' to choose one.") - return - - frame.SetPC(desired_address.GetLoadAddress(target)) - -if lldb.debugger: - # Module is being run inside the LLDB interpreter - jump.__doc__ = usage_string() - lldb.debugger.HandleCommand('command script add -f jump.jump jump') - print 'The "jump" command has been installed, type "help jump" or "jump <ENTER>" for detailed help.' |