bug-gnustep
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Re: tools-windows-msvc runtime error


From: loserist
Subject: Re: Re: tools-windows-msvc runtime error
Date: Tue, 18 Jul 2023 18:23:05 +0800 (GMT+08:00)

David, you hit the nail on the head and your words have inspired me!

>
> it inserts random padding into the Objective-C runtime’s metadata sections, 
> which corrupt various things...
>

Loserist 

> Did you remember to disable incremental linking?
> 
> Last time I tested it, LINK.EXE did work, but if you had incremental linking 
> enabled (I think it’s on by default?) then it inserts random padding into the 
> Objective-C runtime’s metadata sections, which corrupt various things.
> 
> David
> 
> > On 18 Jul 2023, at 08:34, Frederik Seiffert <frederik@algoriddim.com> wrote:
> > 
> > Thanks, I reproduced the issue here. It turns out using the Microsoft 
> > linker causes this issue, but using LLD works fine. I’m not sure why or 
> > since when this is, as using link.exe definitely worked for me at one 
> > point, but now using either VS 2019 or 2022 causes this crash as soon as 
> > objc_msgSend() is called. Maybe David has an idea what could be going on 
> > here?
> > 
> > Anyway, passing -fuse-ld=lld should get you going. I would also add /Z7 to 
> > produce debug symbols as well:
> > 
> > clang-cl -I C:\GNUstep\x64\Debug\include -fobjc-runtime=gnustep-2.0 -Xclang 
> > -fexceptions -Xclang -fobjc-exceptions -fblocks -DGNUSTEP 
> > -DGNUSTEP_WITH_DLL -DGNUSTEP_RUNTIME=1 -D_NONFRAGILE_ABI=1 
> > -D_NATIVE_OBJC_EXCEPTIONS -DGSWARN -DGSDIAGNOSE /MDd /Z7 /c test.m
> > 
> > clang-cl test.obj gnustep-base.lib objc.lib dispatch.lib -fuse-ld=lld /MDd 
> > /Z7 -o test.exe /link /LIBPATH:C:\GNUstep\x64\Debug\lib
> > 
> > I’ve updated the toolchain readme to add this flag in the example.
> > 
> > Hope that helps.
> > Frederik
> > 
> > 
> >> Am 18.07.2023 um 03:00 schrieb loserist <loserist@88.com>:
> >> 
> >> Sure! The following is it:
> >> 
> >> * thread #1, stop reason = Exception 0xc0000005 encountered at address 
> >> 0x7ffcec4e1048: Access violation reading locatio
> >> n 0x00000000
> >> * frame #0: 0x00007ffcec4e1048 objc.dll`objc_msgSend + 40
> >> frame #1: 0x00007ff645cc1154 abc.exe
> >> frame #2: 0x00007ff645cc142c abc.exe
> >> frame #3: 0x00007ffcfb967614 kernel32.dll`BaseThreadInitThunk + 20
> >> frame #4: 0x00007ffcfc1826b1 ntdll.dll`RtlUserThreadStart + 33
> >> Thanks!
> > 
> > 

reply via email to

[Prev in Thread] Current Thread [Next in Thread]