rebaseusers/fmayer/spr/compiler-rt-ubsan-leave-bufferedstacktrace-uninit

Created using spr 1.3.4

1 files changed, 13 insertions, 5 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index f6b6c44a4cab..225bd6416ce5 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1503,6 +1503,12 @@ void CompilerInvocation::setDefaultPointerAuthOptions(
         PointerAuthSchema(Key::ASIA, true, Discrimination::Decl);
     Opts.CXXMemberFunctionPointers =
         PointerAuthSchema(Key::ASIA, false, Discrimination::Type);
+
+    if (LangOpts.PointerAuthInitFini) {
+      Opts.InitFiniPointers = PointerAuthSchema(
+          Key::ASIA, LangOpts.PointerAuthInitFiniAddressDiscrimination,
+          Discrimination::Constant, InitFiniPointerConstantDiscriminator);
+    }
   }
   Opts.IndirectGotos = LangOpts.PointerAuthIndirectGotos;
 }
@@ -3425,11 +3431,12 @@ static void GeneratePointerAuthArgs(const LangOptions &Opts,
     GenerateArg(Consumer, OPT_fptrauth_vtable_pointer_type_discrimination);
   if (Opts.PointerAuthTypeInfoVTPtrDiscrimination)
     GenerateArg(Consumer, OPT_fptrauth_type_info_vtable_pointer_discrimination);
-
-  if (Opts.PointerAuthInitFini)
-    GenerateArg(Consumer, OPT_fptrauth_init_fini);
   if (Opts.PointerAuthFunctionTypeDiscrimination)
     GenerateArg(Consumer, OPT_fptrauth_function_pointer_type_discrimination);
+  if (Opts.PointerAuthInitFini)
+    GenerateArg(Consumer, OPT_fptrauth_init_fini);
+  if (Opts.PointerAuthInitFiniAddressDiscrimination)
+    GenerateArg(Consumer, OPT_fptrauth_init_fini_address_discrimination);
 }
 
 static void ParsePointerAuthArgs(LangOptions &Opts, ArgList &Args,
@@ -3445,10 +3452,11 @@ static void ParsePointerAuthArgs(LangOptions &Opts, ArgList &Args,
       Args.hasArg(OPT_fptrauth_vtable_pointer_type_discrimination);
   Opts.PointerAuthTypeInfoVTPtrDiscrimination =
       Args.hasArg(OPT_fptrauth_type_info_vtable_pointer_discrimination);
-
-  Opts.PointerAuthInitFini = Args.hasArg(OPT_fptrauth_init_fini);
   Opts.PointerAuthFunctionTypeDiscrimination =
       Args.hasArg(OPT_fptrauth_function_pointer_type_discrimination);
+  Opts.PointerAuthInitFini = Args.hasArg(OPT_fptrauth_init_fini);
+  Opts.PointerAuthInitFiniAddressDiscrimination =
+      Args.hasArg(OPT_fptrauth_init_fini_address_discrimination);
 }
 
 /// Check if input file kind and language standard are compatible.