[PATCH] ntdll: Add a shortcut to NtReadVirtualMemory for the local process

[Alexandre Julliard]

Martin Storsjö <martin at martin.st> writes:

> On Tue, 29 Oct 2019, Andrew Wesie wrote:
>
>> On Tue, Oct 29, 2019 at 9:04 AM Martin Storsjo <martin at martin.st> wrote:
>>> ...
>>> Therefore, exception handling in executables with libunwind on i686
>>> doesn't work when run with wine within docker.
>>
>> I personally don't think this is a great rationale for changing the
>> behavior of wine. It sounds like a rationale for docker to allow
>> SYS_PTRACE.
>
> It can be enabled, but it's not generally enabled by default.
>
> In any case: I believe it is fair to hope that
> EnumProcessModules(GetCurrentProcess()) would work, without privileges
> that let you read the memory of other processes.

Not being able to use ptrace isn't a very interesting case, particularly
if you are talking about exception handling, since you'll also need
ptrace for the debug registers. I don't think it's worth adding
complicated workarounds for this.

-- 
Alexandre Julliard
julliard at winehq.org