aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h')
-rw-r--r--contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h b/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h
new file mode 100644
index 000000000000..b806d794e056
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/asan/asan_init_version.h
@@ -0,0 +1,44 @@
+//===-- asan_init_version.h -------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// This header defines a versioned __asan_init function to be called at the
+// startup of the instrumented program.
+//===----------------------------------------------------------------------===//
+#ifndef ASAN_INIT_VERSION_H
+#define ASAN_INIT_VERSION_H
+
+#include "sanitizer_common/sanitizer_platform.h"
+
+extern "C" {
+ // Every time the ASan ABI changes we also change the version number in the
+ // __asan_init function name. Objects built with incompatible ASan ABI
+ // versions will not link with run-time.
+ //
+ // Changes between ABI versions:
+ // v1=>v2: added 'module_name' to __asan_global
+ // v2=>v3: stack frame description (created by the compiler)
+ // contains the function PC as the 3rd field (see
+ // DescribeAddressIfStack)
+ // v3=>v4: added '__asan_global_source_location' to __asan_global
+ // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and
+ // __asan_stack_free_ functions
+ // v5=>v6: changed the name of the version check symbol
+ // v6=>v7: added 'odr_indicator' to __asan_global
+ // v7=>v8: added '__asan_(un)register_image_globals' functions for dead
+ // stripping support on Mach-O platforms
+#if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID
+ // v8=>v9: 32-bit Android switched to dynamic shadow
+ #define __asan_version_mismatch_check __asan_version_mismatch_check_v9
+#else
+ #define __asan_version_mismatch_check __asan_version_mismatch_check_v8
+#endif
+}
+
+#endif // ASAN_INIT_VERSION_H