[PATCH] D107850: [asan] Implemented custom calling convention similar to the one used by HWASan for X86.

Kirill Stoimenov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Aug 19 11:37:40 PDT 2021


kstoimenov marked an inline comment as done.
kstoimenov added inline comments.


================
Comment at: llvm/include/llvm/IR/Intrinsics.td:1640
 
+def int_asan_check_memaccess :
+  Intrinsic<[],[llvm_ptr_ty, llvm_i8_ty, llvm_i8_ty],
----------------
vitalybuka wrote:
> vitalybuka wrote:
> > PTAL at lvm.read_register.i32
> > 
> > How about:
> > 
> > llvm.asan.check.memaccess ->
> >   lvm.asan.check_read
> >   lvm.asan.check_write
> >   lvm.asan.kernel.check_read
> >   lvm.asan.kernel.check_write
> > 
> > Even better
> >   lvm.asan.check_read.{i8, i16, i32, ...}
> >   lvm.asan.check_write.{i8, i16, i32, ...}
> >   lvm.asan.kernel.check_read.{i8, i16, i32, ...}
> >   lvm.asan.kernel.check_write.{i8, i16, i32, ...}
> > 
> Looks like underscore is not used in intrinsic names, so essentially the same with dots.
Sounds good to me. I do the full expansion so there will be 20 intrinsics altogether. I will update the code and ping you when done. 


Repository:
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https://reviews.llvm.org/D107850



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