[Vm-dev] Debugging the VM under gdb on cygwin
Eliot Miranda
eliot.miranda at gmail.com
Fri Jul 7 21:31:13 UTC 2017
> On Jul 7, 2017, at 1:47 PM, Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com> wrote:
>
> Hi Eliot,
> I've installed both a cygwin32 and cygwin64 for that reason...
> Even if cross compilation works well, cross debugging does not.
Thanks Nicolas! I'll get a 32-bit Windows and install 32-bit Cygwin on it. And I'll update the HowToBuild
>
> 2017-07-07 22:37 GMT+02:00 Eliot Miranda <eliot.miranda at gmail.com>:
>>
>> Hi All,
>>
>> I'm finding it very difficult to debug the 32-bit VM on 64-bit Windows using cygwin. The default gdb for 64-bit cygwin simply doesn't work properly, finding set facts in programs that work out side of the debugger. I've tried to build a 32-bit gdb from the 7.11 sources, configuring with ./configure --target=i686-w64-mingw32, but the resulting gdb doesn't find the 32-bit dlls in C:\Windows\SysWOW64', and complains "Don't know how to run.".
>>
>> Does anyone else have a working gdb for 32-bit programs on 64-bit Windows? How did you build it?
>>
>>
>> Does anyone else have a working gdb for 32-bit programs on 32-bit Windows? How did you build it? Do I need to create a 32-bit cygwin installation on 32-bit windows for this to work?
>>
>> Does anyone have the cygwin gdb 7.8 sources or a pointer to them? One poster claimed that 32-bit gdb on cygwin only works if compiled from the 7.8 sources.
>>
>> Any other ideas?
>>
>> AdvThanksance
>> _,,,^..^,,,_
>> best, Eliot
>>
>
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