libunwind: add noexec stack annotation

Reported by: vangyzen Reviewed by: kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D9075
2017-01-07 14:40:58 +00:00 · 2017-01-07 14:40:58 +00:00 · ab362965f7
commit ab362965f7
parent f6a975e1d2
2 changed files with 4 additions and 0 deletions
--- a/contrib/llvm/projects/libunwind/src/UnwindRegistersRestore.S
+++ b/contrib/llvm/projects/libunwind/src/UnwindRegistersRestore.S
@ -527,3 +527,5 @@ DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind15Registers_riscv6jumptoEv)
  ret                       // jump to ra

 #endif
+
+  .section .note.GNU-stack,"",@progbits
--- a/contrib/llvm/projects/libunwind/src/UnwindRegistersSave.S
+++ b/contrib/llvm/projects/libunwind/src/UnwindRegistersSave.S
@ -469,3 +469,5 @@ DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
 /* RISCVTODO */

 #endif
+
+    .section .note.GNU-stack,"",@progbits