[compiler-rt] r189356 - Properly generate lists of exported symbols for sanitizer runtimes

[Reid Kleckner]

On Tue, Aug 27, 2013 at 12:17 PM, Alexey Samsonov <samsonov at google.com>wrote:

>
> On Tue, Aug 27, 2013 at 10:37 PM, Hans Wennborg <hans at chromium.org> wrote:
>
>> Is there any way we can make this work in the MSVC build too?
>>
>
> Hm... I don't know if we need this for Windows/MSVC - what is the link
> strategy for -fsanitize=foo
> flag there (do we also link sanitizer runtimes into executables, but not
> into dll's and therfore have to
> export all the necessary symbols?)
>

The sanitizer runtimes are linked into the main executable and are
annotated with dllexport, and there is a separate dll of thunks that uses
GetProcAddress to route the call to the main executable.  Timur would know
more.

I think we can just put most of this symbol logic behind 'if (UNIX)'.
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