My big issue with Windows LLDB right now is the python support. I can do most
things in the interpreter, but some things just don’t quite work right. For
example, using lldb.debugger is spotty:
(lldb) script
Python Interactive Interpreter. To exit, type 'quit()', 'exit()' or Ctrl-D.
>>> print lldb
<module 'lldb' from
'R:\internal\branch-7.3\windows\latest\Tools\lib\site-packages\lldb\__init__.py'>
>>> print lldb.debugger
No value
>>> print lldb.debugger.GetSelectedTarget()
No value
>>> target = lldb.debugger.GetSelectedTarget()
>>> target.BreakpointCreateByName("main")
<lldb.SBBreakpoint; proxy of <Swig Object of type 'lldb::SBBreakpoint *' at 0x00
00000003EEBBA0> >
>>> quit
(lldb) breakpoint list
No breakpoints currently set.
(lldb) b main
Breakpoint 1: where = factwin`main + 28 at factorial.c:32, address = 0x00005130
(lldb) breakpoint list
Current breakpoints:
1: name = 'main', locations = 1
1.1: where = factwin`main + 28 at factorial.c:32, address =
factwin[0x00005130], unresolved, hit count = 0
(lldb)
These sequences work on Linux.
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From: lldb-dev-boun...@cs.uiuc.edu [mailto:lldb-dev-boun...@cs.uiuc.edu] On
Behalf Of Zachary Turner
Sent: Monday, December 29, 2014 5:51 PM
To: lldb-dev@cs.uiuc.edu
Subject: Re: [lldb-dev] I'd like to make Windows an officially supported
platform for LLDB.
BTW, I actually uploaded a patch to do this. http://reviews.llvm.org/D6805
On Mon Dec 29 2014 at 1:55:19 PM Zachary Turner <ztur...@google.com
<mailto:ztur...@google.com> > wrote:
The LLDB homepage has the following to say about platform support:
LLDB is known to work on the following platforms, but ports to new platforms
are welcome:
* Mac OS X desktop user space debugging for i386 and x86-64
* iOS simulator debugging on i386
* iOS device debugging on ARM
* Linux local user-space debugging for i386 and x86-64
* FreeBSD local user-space debugging for i386 and x86-64
Windows is not listed here. I would like to list it. What level of
functionality needs to be present, and how many tests need to pass before I can
list Windows here? Can I do it now, with the caveat that it's still
experimental? I have the test suite running (although many tests failing),
source level debugging with DWARF, breakpoints, stepping, stack traces, etc all
working with basic support, so this seems like a good time to announce support
for Windows. Obviously many things will not work, but we plan to support this
long term, so it will just be a matter of time.
Along with an update to the supported platforms on the homepage, I plan to add
some specific Windows instructions to the build page related to Python,
required packages that need to be installed, etc.
Additionally, I hope to follow this up with a post to the LLVM blog announcing
experimental support for live debugging on Windows along with a very high level
overview of our future plans.
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