[lldb-dev] lldb status at windows

Sat Jan 23 00:54:18 PST 2016

Ahh you probably need to add -g to clang, otherwise it's not generating
debug info.  I've never tried debugging a binary with no debug info.
Obviously it shouldn't hang, but either way it's just not something we've
tested on Windows.

On Sat, Jan 23, 2016 at 12:51 AM Red Skotina <red.skotina at gmail.com> wrote:

> yes. i doing it. you can see what clang use d:\\code\\llvm\\build\\bin\\
> lld-link.exe
> but anyway it is hang :(
>
> 2016-01-22 23:30 GMT+03:00 Zachary Turner <zturner at google.com>:
>
>> Under llvm/tools also checkout lld.  So your directories should look like
>> this:
>>
>> llvm
>> \-- tools
>>     \-- clang
>>     \-- lldb
>>     \-- lld
>>
>> Then re-run cmake to generate build files again, recompile, and then it
>> should work.  Right now the problem is that lld-link.exe hasn't been
>> compiled yet.
>>
>> On Fri, Jan 22, 2016 at 12:22 PM Red Skotina <red.skotina at gmail.com>
>> wrote:
>>
>>> yes, i miss it. but anyway dont work
>>>
>>>
>>> d:\code\Unity_Unpacker\tests\test2>clang -v -fuse-ld=lld main.cpp
>>> clang version 3.9.0 (trunk 258509)
>>> Target: i686-pc-windows-msvc
>>> Thread model: posix
>>> InstalledDir: d:\code\llvm\build\bin
>>>  "d:\\code\\llvm\\build\\bin\\clang.exe" -cc1 -triple
>>> i686-pc-windows-msvc18.0.0
>>>  -emit-obj -mrelax-all -mincremental-linker-compatible -disable-free
>>> -disable-ll
>>> vm-verifier -main-file-name main.cpp -mrelocation-model static
>>> -mthread-model po
>>> six -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases
>>> -target-c
>>> pu pentium4 -v -dwarf-column-info -debugger-tuning=gdb -resource-dir
>>> "d:\\code\\
>>> llvm\\build\\bin\\..\\lib\\clang\\3.9.0" -internal-isystem
>>> "d:\\code\\llvm\\buil
>>> d\\bin\\..\\lib\\clang\\3.9.0\\include" -internal-isystem "C:\\Program
>>> Files (x8
>>> 6)\\Microsoft Visual Studio 14.0\\VC\\INCLUDE" -internal-isystem
>>> "C:\\Program Fi
>>> les (x86)\\Microsoft Visual Studio 14.0\\VC\\ATLMFC\\INCLUDE"
>>> -internal-isystem
>>> "C:\\Program Files (x86)\\Windows Kits\\10\\include\\10.0.10240.0\\ucrt"
>>> -intern
>>> al-isystem "C:\\Program Files (x86)\\Windows
>>> Kits\\NETFXSDK\\4.6.1\\include\\um"
>>>  -internal-isystem "C:\\Program Files (x86)\\Windows
>>> Kits\\8.1\\include\\\\share
>>> d" -internal-isystem "C:\\Program Files (x86)\\Windows
>>> Kits\\8.1\\include\\\\um"
>>>  -internal-isystem "C:\\Program Files (x86)\\Windows
>>> Kits\\8.1\\include\\\\winrt
>>> " -fdeprecated-macro -fdebug-compilation-dir
>>> "d:\\code\\Unity_Unpacker\\tests\\t
>>> est2" -ferror-limit 19 -fmessage-length 80 -fms-extensions
>>> -fms-compatibility -f
>>> ms-compatibility-version=18 -std=c++11 -fno-threadsafe-statics
>>> -fdelayed-templat
>>> e-parsing -fobjc-runtime=gcc -fdiagnostics-show-option
>>> -fcolor-diagnostics -o "C
>>> :\\Users\\Red\\AppData\\Local\\Temp\\main-71fc84.o" -x c++ main.cpp
>>> clang -cc1 version 3.9.0 based upon LLVM 3.9.0svn default target
>>> i686-pc-windows
>>> -msvc
>>> #include "..." search starts here:
>>> #include <...> search starts here:
>>>  d:\code\llvm\build\bin\..\lib\clang\3.9.0\include
>>>  C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE
>>>  C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\ATLMFC\INCLUDE
>>>  C:\Program Files (x86)\Windows Kits\10\include\10.0.10240.0\ucrt
>>>  C:\Program Files (x86)\Windows Kits\NETFXSDK\4.6.1\include\um
>>>  C:\Program Files (x86)\Windows Kits\8.1\include\\shared
>>>  C:\Program Files (x86)\Windows Kits\8.1\include\\um
>>>  C:\Program Files (x86)\Windows Kits\8.1\include\\winrt
>>> End of search list.
>>>  "d:\\code\\llvm\\build\\bin\\lld-link.exe" -out:a.exe
>>> -defaultlib:libcmt -nolog
>>> o "C:\\Users\\Red\\AppData\\Local\\Temp\\main-71fc84.o"
>>>
>>> d:\code\Unity_Unpacker\tests\test2>lldb a.exe
>>> (lldb) target create "a.exe"
>>> Current executable set to 'a.exe' (i686).
>>> (lldb) run
>>>
>>> Process 6448 launching
>>>
>>> ----------------------------------
>>> process hang
>>>
>>> 2016-01-22 22:13 GMT+03:00 Zachary Turner <zturner at google.com>:
>>>
>>>> When you compile, you need to use -fuse-ld=lld.  Most people miss this
>>>> step.
>>>>
>>>> That said, it's not supposed to hang, but it is supposed to not work.
>>>>
>>>> What's the command line you used with clang?
>>>>
>>>> On Fri, Jan 22, 2016 at 11:08 AM Red Skotina <red.skotina at gmail.com>
>>>> wrote:
>>>>
>>>>> Look like I miss something , but i cant debug simple program program
>>>>> compiled with clang from trunk (258016), msvc 2015 stdlib, from vs2015 x86
>>>>> developer console .
>>>>>  i use lldb from trunk
>>>>>     #include "stdio.h"
>>>>>
>>>>>     int main(int argc, char **argv)
>>>>>     {
>>>>>         printf("hello1\n");
>>>>>         printf("hello2\n");
>>>>>         return 0;
>>>>>     }
>>>>>
>>>>> d:\code\tests\test2>lldb a.exe
>>>>> (lldb) target create "a.exe"
>>>>> Current executable set to 'a.exe' (i686).
>>>>> (lldb) run
>>>>>
>>>>> Process 6264 launching
>>>>>
>>>>> ---------------------------
>>>>> a.exe and lldb hangs
>>>>>
>>>>> What i doing wrong ?
>>>>>
>>>>>
>>>>> 2016-01-08 0:42 GMT+03:00 Red Skotina <red.skotina at gmail.com>:
>>>>>
>>>>>> Nice to hear. I should answer after some time of using
>>>>>>
>>>>>> 2016-01-07 21:04 GMT+03:00 Zachary Turner <zturner at google.com>:
>>>>>>
>>>>>>> Feel free to file bugs or post your feedback here after you use
>>>>>>> about what worked, what didn't work, what's missing, etc.  Anything that
>>>>>>> doesn't work is a bug that I would like to fix.
>>>>>>>
>>>>>>> On Thu, Jan 7, 2016 at 10:02 AM Zachary Turner <zturner at google.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi, I guess I should make a new blog post at some point, or post
>>>>>>>> status on the website.  Here's my best estimate at what you can expect.
>>>>>>>>
>>>>>>>> * Most common debugging scenarios should work.  Run under debugger,
>>>>>>>> attach to process, interrupt, continue, print variable values, evaluate
>>>>>>>> expressions, etc.
>>>>>>>> * Step-over might be unstable in certain scenarios
>>>>>>>> * Conditional breakpoints don't work
>>>>>>>> * Hardware watchpoints don't work
>>>>>>>> * Expression evaluation might not work in some advanced cases.
>>>>>>>>
>>>>>>>> The main big feature that has been added since the original blog
>>>>>>>> post is support for windows minidump files.  So you can create a minidump
>>>>>>>> of a stopped process from inside LLDB, and you can load up a minidump and
>>>>>>>> do post-mortem debugging.
>>>>>>>>
>>>>>>>> On Wed, Jan 6, 2016 at 10:39 PM Red Skotina via lldb-dev <
>>>>>>>> lldb-dev at lists.llvm.org> wrote:
>>>>>>>>
>>>>>>>>> Where can i look lldb status for native debug at Windows?
>>>>>>>>> _______________________________________________
>>>>>>>>> lldb-dev mailing list
>>>>>>>>> lldb-dev at lists.llvm.org
>>>>>>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
>>>>>>>>>
>>>>>>>>
>>>>>>
>>>>>
>>>
>
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