[all-commits] [llvm/llvm-project] bdaeb8: [DFSan] Add custom wrapper for sigaltstack.

[Matt Morehouse via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: bdaeb82a5f84b813f5eb7e63e6e111c4566c61ab
      https://github.com/llvm/llvm-project/commit/bdaeb82a5f84b813f5eb7e63e6e111c4566c61ab
  Author: Matt Morehouse <mascasa at google.com>
  Date:   2020-12-10 (Thu, 10 Dec 2020)

  Changed paths:
    M compiler-rt/lib/dfsan/dfsan_custom.cpp
    M compiler-rt/lib/dfsan/done_abilist.txt
    M compiler-rt/test/dfsan/custom.cpp

  Log Message:
  -----------
  [DFSan] Add custom wrapper for sigaltstack.

The wrapper clears shadow for old_ss.

Reviewed By: stephan.yichao.zhao

Differential Revision: https://reviews.llvm.org/D93041