[RFC PATCH v2] vcruntime140: Add the new MSVC 2015 compiler specific DLL.

Martin Storsjö martin at martin.st
Wed Oct 28 04:16:15 CDT 2015

On Wed, 28 Oct 2015, Alexandre Julliard wrote:

> Martin Storsjö <martin at martin.st> writes:
>> The real vcruntime140.dll actually also do some calls to ucrtbase.dll
>> (linked via the api-ms-win-crt-* stub dlls), but not all the real
>> functions - it only links to the following ones:
>> terminate
>> abort
>> strcpy_s
>> malloc
>> _free_base
>> free
>> _malloc_base
>> _calloc_base
>> __stdio_common_vsprintf_s
>> atol
>> (Additionally it links to a few symbols from kernel32.dll and one from
>> advapi32.dll.)
> Please don't look into the internal details of the native dll.
>> Given this, I still think this DLL makes sense as a standalone DLL
>> instead of just a stub forwarding to ucrtbase, since that's what the
>> original one does as well. At worst some of the functions may need to
>> have subtly different behaviour in different versions (which I guess
>> is the main reason for the DLL existing in the first place).
> It seems to me that you should start with a forwarding stub. If at some
> point there's a good reason for duplicating things, we can do it then.

Ok, that makes sense. In this case, I think all of it can be forwarded, 
except for the telemetry function stubs.

// Martin

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