async

Timestamp:

Mar 31, 2022 9:00:36 AM (3 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

150730

Message:

libs/openssl: Update to 3.0.2 and switch to it, bugref:10128

Location:

trunk/src/libs/openssl-3.0.2

Files:

trunk/src/libs/openssl-3.0.2

Property svn:mergeinfo

-              r94082
+              r94404
 /*
  * Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2015-2022 The OpenSSL Project Authors. All Rights Reserved.
+ *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
 …
 #  define ASYNC_ARCH
 #  ifdef __CET__
+#  if defined(__CET__) || defined(__ia64__)
 /*
  * When Intel CET is enabled, makecontext will create a different
 …
  * use _longjmp.  It must call swapcontext to swap shadow stack as
  * well as normal stack.
+ * On IA64 the register stack engine is not saved across setjmp/longjmp. Here
+ * swapcontext() performs correctly.
+ */
+#   define USE_SWAPCONTEXT
+#  endif
+#  if defined(__aarch64__) && defined(__clang__) \
+    && defined(__ARM_FEATURE_BTI_DEFAULT) && __ARM_FEATURE_BTI_DEFAULT == 1
+/*
+ * setjmp/longjmp don't currently work with BTI on all libc implementations
+ * when compiled by clang. This is because clang doesn't put a BTI after the
+ * call to setjmp where it returns the second time. This then fails on libc
+ * implementations - notably glibc - which use an indirect jump to there.
+ * So use the swapcontext implementation, which does work.
+ * See https://github.com/llvm/llvm-project/issues/48888.
  */
 #   define USE_SWAPCONTEXT

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