Changes in signal_mcontext2.cpp

9d1857f6 - [msan] Guard FP_XSTATE_MAGIC1 usage with SANITIZER_GLIBC

Fri, 04 Feb 2022 18:15:11 +0000

[msan] Guard FP_XSTATE_MAGIC1 usage with SANITIZER_GLIBCFix build for Linux musl.Reviewed By: #sanitizers, dvyukovDifferential Revision: https://reviews.llvm.org/D118970 List of files: /llvm-project-15.0.7/compiler-rt/test/msan/Linux/signal_mcontext2.cpp

9eeb2c98 - [msan] Check for AVX regs using offset

Thu, 06 Jan 2022 03:24:00 +0000

[msan] Check for AVX regs using offsetglibc versions < 2.26 use different names for the fields.However the layout is unchanged, so using the offset should be aportable way to address this issue across platforms.Fixes: https://github.com/llvm/llvm-project/issues/53014Patch By: paulkirthDifferential Revision: https://reviews.llvm.org/D116695 List of files: /llvm-project-15.0.7/compiler-rt/test/msan/Linux/signal_mcontext2.cpp

38f69eb7 - msan: mark test as x86-specific

Wed, 05 Jan 2022 12:40:10 +0000

msan: mark test as x86-specificDifferential Revision: https://reviews.llvm.org/D116653 List of files: /llvm-project-15.0.7/compiler-rt/test/msan/Linux/signal_mcontext2.cpp

395f737c - msan: check that ucontext_t is initialized on signal return

Thu, 23 Dec 2021 08:10:54 +0000

msan: check that ucontext_t is initialized on signal returnA signal handler can alter ucontext_t to affect execution afterthe signal returns. Check that the contents are initialized.Restoring unitialized values in registers can't be good.Reviewed By: vitalybukaDifferential Revision: https://reviews.llvm.org/D116209 List of files: /llvm-project-15.0.7/compiler-rt/test/msan/Linux/signal_mcontext2.cpp