[sanitizer_common] Implement address sanitizer on AIX: add/update functions

compiler-rt/lib/sanitizer_common/CMakeLists.txt

@@ -2,6 +2,7 @@
 # These components are shared between AddressSanitizer and ThreadSanitizer.
 
 set(SANITIZER_SOURCES_NOTERMINATION
+  sanitizer_aix.cpp
   sanitizer_allocator.cpp
   sanitizer_common.cpp
   sanitizer_deadlock_detector1.cpp
@@ -26,6 +27,7 @@ set(SANITIZER_SOURCES_NOTERMINATION
   sanitizer_platform_limits_solaris.cpp
   sanitizer_posix.cpp
   sanitizer_printf.cpp
+  sanitizer_procmaps_aix.cpp
   sanitizer_procmaps_common.cpp
   sanitizer_procmaps_bsd.cpp
   sanitizer_procmaps_fuchsia.cpp
@@ -97,6 +99,7 @@ set(SANITIZER_SYMBOLIZER_SOURCES
   sanitizer_symbolizer_report_fuchsia.cpp
   sanitizer_symbolizer_win.cpp
   sanitizer_thread_history.cpp
+  sanitizer_unwind_aix.cpp
   sanitizer_unwind_linux_libcdep.cpp
   sanitizer_unwind_fuchsia.cpp
   sanitizer_unwind_win.cpp
@@ -109,6 +112,7 @@ set(SANITIZER_IMPL_HEADERS
   sancov_flags.h
   sancov_flags.inc
   sanitizer_addrhashmap.h
+  sanitizer_aix.h
   sanitizer_allocator.h
   sanitizer_allocator_checks.h
   sanitizer_allocator_combined.h