[compiler-rt] r212979 - Add support for intercepting thunks of the form

[Ehsan Akhgari]

On Mon, Jul 14, 2014 at 10:34 PM, David Blaikie <dblaikie at gmail.com> wrote:

> On Mon, Jul 14, 2014 at 1:28 PM, Ehsan Akhgari <ehsan.akhgari at gmail.com>
> wrote:
> > Author: ehsan
> > Date: Mon Jul 14 15:28:21 2014
> > New Revision: 212979
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=212979&view=rev
> > Log:
> > Add support for intercepting thunks of the form
>
> Is this a complete commit message (or a complete commit? Missing tests?)?
>

No, sorry, this commit used to have "`jmp dword ptr ds:[WWZZYYXX]`" after
it, but either git or git svn ate that part, and I didn't realize.  The
code changes are complete.

Cheers,
--
Ehsan
<http://ehsanakhgari.org/>


> >
> > Modified:
> >     compiler-rt/trunk/lib/interception/interception_win.cc
> >
> > Modified: compiler-rt/trunk/lib/interception/interception_win.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/interception/interception_win.cc?rev=212979&r1=212978&r2=212979&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/interception/interception_win.cc (original)
> > +++ compiler-rt/trunk/lib/interception/interception_win.cc Mon Jul 14
> 15:28:21 2014
> > @@ -113,6 +113,7 @@ static size_t RoundUpToInstrBoundary(siz
> >          cursor += 3;
> >          continue;
> >        case 0xC1F7:  // F7 C1 XX YY ZZ WW = test ecx, WWZZYYXX
> > +      case 0x25FF:  // FF 25 XX YY ZZ WW = jmp dword ptr ds:[WWZZYYXX]
> >          cursor += 6;
> >          continue;
> >        case 0x3D83:  // 83 3D XX YY ZZ WW TT = cmp TT, WWZZYYXX
> >
> >
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>
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