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I updated http://reviews.llvm.org/D4717 and also wrote an __probestack implementation: https://github.com/Zoxc/compiler-rt/compare/llvm-mirror:master...stprobe Which instruction would be the preferable one to probe with? I used OR since that's what GCC/libgcc does, but I don't see why that would be better than a write. On Tue,...

...ef.rst, would that be the correct place to document this? For reference: http://reviews.llvm.org/D9653 http://reviews.llvm.org/D9654 http://reviews.llvm.org/D9858 On Wed, Aug 6, 2014 at 5:34 PM, John Kåre Alsaker <john.mailinglists at gmail.com> wrote: > I updated http://reviews.llvm.org/D4717 and also wrote an __probestack > implementation: > https://github.com/Zoxc/compiler-rt/compare/llvm-mirror:master...stprobe > > Which instruction would be the preferable one to probe with? I used OR since > that's what GCC/libgcc does, but I don't see why that would be better...

...document this? > > For reference: > http://reviews.llvm.org/D9653 > http://reviews.llvm.org/D9654 > http://reviews.llvm.org/D9858 > > On Wed, Aug 6, 2014 at 5:34 PM, John Kåre Alsaker > <john.mailinglists at gmail.com> wrote: > > I updated http://reviews.llvm.org/D4717 and also wrote an __probestack > > implementation: > > https://github.com/Zoxc/compiler-rt/compare/llvm-mirror:master...stprobe > > > > Which instruction would be the preferable one to probe with? I used OR > since > > that's what GCC/libgcc does, but I don'...

Hi, I want to add a stack probe function attribute which would insert stack probes on all platforms, not just Windows. This will be useful for Rust since it must guarantee that the stack can't overflow, which it currently abuses the segmented stack support for. I'm not sure which kind of attribute is appropriate here. It must be added to the caller when inlined and clients of LLVM should

...reference: >> http://reviews.llvm.org/D9653 >> http://reviews.llvm.org/D9654 >> http://reviews.llvm.org/D9858 >> >> On Wed, Aug 6, 2014 at 5:34 PM, John Kåre Alsaker >> <john.mailinglists at gmail.com> wrote: >> > I updated http://reviews.llvm.org/D4717 and also wrote an __probestack >> > implementation: >> > https://github.com/Zoxc/compiler-rt/compare/llvm-mirror:master...stprobe >> > >> > Which instruction would be the preferable one to probe with? I used OR >> > since >> > that's what GC...

Would the __probestack functions be a suitable addition to compiler-rt? Does it already have __chkstk or is that provided by something else on Windows? I noticed that libgcc implemented them in cygwin.S. On Mon, Aug 4, 2014 at 9:08 PM, Philip Reames <listmail at philipreames.com> wrote: > > On 08/01/2014 05:38 PM, John Kåre Alsaker wrote: > > On Fri, Aug 1, 2014 at 11:12 PM,