Disable none-working stack overflow implementation on Windows x64 full AOT.

Temporary disable stack overflow implementation on Windows x64 full AOT until
we have a proper fix for:

https://bugzilla.xamarin.com/show_bug.cgi?id=59913

diff --git a/mono/mini/exceptions-amd64.c b/mono/mini/exceptions-amd64.c
index cfb3de0d5c0ef52352a61322829555097eeffcff..bf5a35b71dcc0e4272ef32d9946e9ac5b4df8e01 100644 (file)
--- a/mono/mini/exceptions-amd64.c
+++ b/mono/mini/exceptions-amd64.c
@@ -139,12 +139,16 @@ static LONG CALLBACK seh_vectored_exception_handler(EXCEPTION_POINTERS* ep)
 
        switch (er->ExceptionCode) {
        case EXCEPTION_STACK_OVERFLOW:
-               if (mono_arch_handle_exception (ctx, domain->stack_overflow_ex)) {
-                       /* need to restore stack protection once stack is unwound
-                        * restore_stack will restore stack protection and then
-                        * resume control to the saved stack_restore_ctx */
-                       mono_sigctx_to_monoctx (ctx, &jit_tls->stack_restore_ctx);
-                       ctx->Rip = (guint64)restore_stack;
+               if (!mono_aot_only) {
+                       if (mono_arch_handle_exception (ctx, domain->stack_overflow_ex)) {
+                               /* need to restore stack protection once stack is unwound
+                                * restore_stack will restore stack protection and then
+                                * resume control to the saved stack_restore_ctx */
+                               mono_sigctx_to_monoctx (ctx, &jit_tls->stack_restore_ctx);
+                               ctx->Rip = (guint64)restore_stack;
+                       }
+               } else {
+                       jit_tls->mono_win_chained_exception_needs_run = TRUE;
                }
                break;
        case EXCEPTION_ACCESS_VIOLATION:
@@ -181,7 +185,8 @@ static LONG CALLBACK seh_vectored_exception_handler(EXCEPTION_POINTERS* ep)
 
 void win32_seh_init()
 {
-       restore_stack = get_win32_restore_stack ();
+       if (!mono_aot_only)
+               restore_stack = get_win32_restore_stack ();
 
        mono_old_win_toplevel_exception_filter = SetUnhandledExceptionFilter(seh_unhandled_exception_filter);
        mono_win_vectored_exception_handle = AddVectoredExceptionHandler (1, seh_vectored_exception_handler);