openbsd does not use nonexec stack segment header hints.

in fact, false is a much better default for UsesNonexecutableStackSection.
platforms that require it can reenable, instead, saving the rest of us an
unnecessary program header (causes trouble for some special binaries).
ok kettenis

1 files changed, 3 insertions, 0 deletions

diff --git a/gnu/llvm/lib/MC/MCAsmInfoELF.cpp b/gnu/llvm/lib/MC/MCAsmInfoELF.cpp
index 2bff6e05966..dcd6cea682d 100644
--- a/gnu/llvm/lib/MC/MCAsmInfoELF.cpp
+++ b/gnu/llvm/lib/MC/MCAsmInfoELF.cpp
@@ -21,6 +21,8 @@ using namespace llvm;
 void MCAsmInfoELF::anchor() { }
 
 MCSection *MCAsmInfoELF::getNonexecutableStackSection(MCContext &Ctx) const {
+  if (!UsesNonexecutableStackSection)
+    return nullptr;
   return Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS, 0);
 }
 
@@ -29,4 +31,5 @@ MCAsmInfoELF::MCAsmInfoELF() {
   WeakRefDirective = "\t.weak\t";
   PrivateGlobalPrefix = ".L";
   PrivateLabelPrefix = ".L";
+  UsesNonexecutableStackSection = false;
 }