[PATCH] ntdll: Only call wine exception handlers on the current stack.

[Martin Storsjö]

On Wed, 2 Feb 2022, Jinoh Kang wrote:

> On 2/2/22 00:25, Martin Storsjö wrote:
>> On Tue, 1 Feb 2022, Jacek Caban wrote:
>>
>>> On 2/1/22 13:57, Paul Gofman wrote:
>>>> Not sure though if that is good enough though, the prior understanding was that these sort of fixes are waiting for mingw .seh support.
>>>
>>> It's not just SEH support that's missing in mingw (in fact, GCC mingw already supports SEH on x86_64 and llvm-mingw on all targets),
>>
>> Just a minor clarification here - the above statement is true for x86_64 and aarch64; clang uses SEH on those architectures in both MSVC and mingw mode.
>>
>> For i386, clang does use the MSVC exception handling mechanism in MSVC mode, but in mingw mode, it uses dwarf instead (and can use sjlj as an alternative).
>>
>> For arm32, it doesn't support SEH generation at all.
>
> ARM32 certainly supports SEH.
>
>> (In MSVC mode, it just refuses to generate unwind information,
>
> I guess you might have mistaken; it does just fine.
>
> See: https://godbolt.org/z/h5TjsY3qe

We were talking about Clang in MSVC mode, not MSVC itself. MSVC does 
indeed support SEH for ARM32, but Clang doesn't support generating that, 
yet at least.

// Martin