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-rw-r--r--compiler-rt/lib/asan/CMakeLists.txt1
-rw-r--r--compiler-rt/lib/asan/asan_aix.cpp48
-rw-r--r--compiler-rt/lib/asan/asan_posix.cpp2
-rwxr-xr-xcompiler-rt/lib/asan/scripts/asan_symbolize.py10
4 files changed, 59 insertions, 2 deletions
diff --git a/compiler-rt/lib/asan/CMakeLists.txt b/compiler-rt/lib/asan/CMakeLists.txt
index 7d07ec765c00..232bb2574a77 100644
--- a/compiler-rt/lib/asan/CMakeLists.txt
+++ b/compiler-rt/lib/asan/CMakeLists.txt
@@ -1,6 +1,7 @@
# Build for the AddressSanitizer runtime support library.
set(ASAN_SOURCES
+ asan_aix.cpp
asan_allocator.cpp
asan_activation.cpp
asan_debugging.cpp
diff --git a/compiler-rt/lib/asan/asan_aix.cpp b/compiler-rt/lib/asan/asan_aix.cpp
new file mode 100644
index 000000000000..58a79ea5e747
--- /dev/null
+++ b/compiler-rt/lib/asan/asan_aix.cpp
@@ -0,0 +1,48 @@
+//===-- asan_aix.cpp ------------------------------------------------------===//
+//
+// 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.
+//
+// AIX-specific details.
+//===----------------------------------------------------------------------===//
+
+#include "sanitizer_common/sanitizer_platform.h"
+
+#if SANITIZER_AIX
+# include "asan_mapping.h"
+# include "sanitizer_common/sanitizer_internal_defs.h"
+
+namespace __asan {
+
+void TryReExecWithoutASLR() {
+ // Allowed to fail and do nothing.
+}
+
+void AsanCheckIncompatibleRT() {}
+
+void AsanCheckDynamicRTPrereqs() {}
+
+void InitializePlatformExceptionHandlers() {}
+
+void* AsanDoesNotSupportStaticLinkage() { return 0; }
+
+void InitializePlatformInterceptors() {}
+void AsanApplyToGlobals(globals_op_fptr op, const void* needle) {}
+
+uptr FindDynamicShadowStart() {
+ UNREACHABLE("AIX does not use dynamic shadow offset!");
+ return 0;
+}
+
+void FlushUnneededASanShadowMemory(uptr p, uptr size) {
+ ReleaseMemoryPagesToOS(MemToShadow(p), MemToShadow(p + size));
+}
+
+} // namespace __asan
+
+#endif // SANITIZER_AIX
diff --git a/compiler-rt/lib/asan/asan_posix.cpp b/compiler-rt/lib/asan/asan_posix.cpp
index fb66c871ea8a..598a55d89bdd 100644
--- a/compiler-rt/lib/asan/asan_posix.cpp
+++ b/compiler-rt/lib/asan/asan_posix.cpp
@@ -180,7 +180,7 @@ static void AfterFork(bool fork_child) {
void InstallAtForkHandler() {
# if SANITIZER_SOLARIS || SANITIZER_NETBSD || SANITIZER_APPLE || \
- (SANITIZER_LINUX && SANITIZER_SPARC) || SANITIZER_HAIKU
+ (SANITIZER_LINUX && SANITIZER_SPARC) || SANITIZER_HAIKU || SANITIZER_AIX
// While other Linux targets use clone in internal_fork which doesn't
// trigger pthread_atfork handlers, Linux/sparc64 uses __fork, causing a
// hang.
diff --git a/compiler-rt/lib/asan/scripts/asan_symbolize.py b/compiler-rt/lib/asan/scripts/asan_symbolize.py
index 091e9bcc9a79..dffe4dd6fc03 100755
--- a/compiler-rt/lib/asan/scripts/asan_symbolize.py
+++ b/compiler-rt/lib/asan/scripts/asan_symbolize.py
@@ -60,6 +60,7 @@ def is_valid_arch(s):
"armv7k",
"arm64",
"arm64e",
+ "powerpc",
"powerpc64",
"powerpc64le",
"s390x",
@@ -450,7 +451,14 @@ class SymbolizationLoop(object):
# E.g. in Chrome several binaries may share a single .dSYM.
self.dsym_hint_producer = dsym_hint_producer
self.system = os.uname()[0]
- if self.system not in ["Linux", "Darwin", "FreeBSD", "NetBSD", "SunOS"]:
+ if self.system not in [
+ "Linux",
+ "Darwin",
+ "FreeBSD",
+ "NetBSD",
+ "SunOS",
+ "AIX",
+ ]:
raise Exception("Unknown system")
self.llvm_symbolizers = {}
self.last_llvm_symbolizer = None