A long-standing bug in the lldb command help system is that it doesn't print
what the default value of boolean flags is. So for instance you get:
(lldb) help process launch
Launch the executable in the debugger.
Syntax: process launch <cmd-options> [<run-args>]
Command Options Usage:
process launch [-s] [-A <boolean>] [-p <plugin>] [-w <directory>] [-a <arch>]
[-v <none>] [-c[<filename>]] [-i <filename>] [-o <filename>] [-e <filename>]
[<run-args>]
process launch [-st] [-A <boolean>] [-p <plugin>] [-w <directory>] [-a
<arch>] [-v <none>] [-c[<filename>]] [<run-args>]
process launch [-ns] [-A <boolean>] [-p <plugin>] [-w <directory>] [-a
<arch>] [-v <none>] [-c[<filename>]] [<run-args>]
-A <boolean> ( --disable-aslr <boolean> )
Set whether to disable address space layout randomization when
launching a process.
You can't tell what you are going to get if don't specify -A. So I try to
write the option so that it indicates what the default value is. In this case,
if you say nothing we'll disable ASLR. This is obviously just a hack to work
around an omission in the help system. And in a couple of places (like
--one-shot in the "breakpoint set" command where I don't do this because it
would have made the name really non-obvious.)
That's a pretty weak reason for the naming, and we really should include the
default value - at least for booleans - in the command table and then use it in
the help system.
Jim
http://reviews.llvm.org/D7468
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