Add notes about how to keep in sync runtime with LLVM project

5 files changed, 24 insertions, 0 deletions

diff --git a/runtime/Sanitizer/ubsan/ubsan_checks.inc b/runtime/Sanitizer/ubsan/ubsan_checks.inc
index a4235e96..35c64f41 100644
--- a/runtime/Sanitizer/ubsan/ubsan_checks.inc
+++ b/runtime/Sanitizer/ubsan/ubsan_checks.inc
@@ -10,6 +10,11 @@
 //
 //===----------------------------------------------------------------------===//
 
+// NOTE: Needs to be kept in sync with compiler-rt/lib/ubsan/ubsan_checks.inc
+// from LLVM project.
+// Especially new ErrorType to `get_suffix` function from ubsan_handlers.cpp and
+// corresponding tests to test\Feature\ubsan directory should be added.
+
 #include "klee/Config/Version.h"
 
 #ifndef UBSAN_CHECK
diff --git a/runtime/Sanitizer/ubsan/ubsan_diag.h b/runtime/Sanitizer/ubsan/ubsan_diag.h
index 4bb0404a..29e92ea1 100644
--- a/runtime/Sanitizer/ubsan/ubsan_diag.h
+++ b/runtime/Sanitizer/ubsan/ubsan_diag.h
@@ -9,6 +9,12 @@
 // Diagnostics emission for Clang's undefined behavior sanitizer.
 //
 //===----------------------------------------------------------------------===//
+
+// NOTE: Needs to be kept in sync with compiler-rt/lib/ubsan/ubsan_diag.h
+// from LLVM project.
+// But in fact, only TypeName in TypeDescriptor and ErrorType commonly were used,
+// so how it is.
+
 #ifndef UBSAN_DIAG_H
 #define UBSAN_DIAG_H
 
diff --git a/runtime/Sanitizer/ubsan/ubsan_handlers.cpp b/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
index 38f3425f..0213836b 100644
--- a/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
+++ b/runtime/Sanitizer/ubsan/ubsan_handlers.cpp
@@ -10,6 +10,9 @@
 //
 //===----------------------------------------------------------------------===//
 
+// NOTE: Needs to be kept in sync with compiler-rt/lib/ubsan/ubsan_handlers.cpp
+// from LLVM project.
+
 #include "ubsan_handlers.h"
 #include "ubsan_diag.h"
 
diff --git a/runtime/Sanitizer/ubsan/ubsan_handlers.h b/runtime/Sanitizer/ubsan/ubsan_handlers.h
index f6c36fe5..93d63265 100644
--- a/runtime/Sanitizer/ubsan/ubsan_handlers.h
+++ b/runtime/Sanitizer/ubsan/ubsan_handlers.h
@@ -9,6 +9,10 @@
 // Entry points to the runtime library for Clang's undefined behavior sanitizer.
 //
 //===----------------------------------------------------------------------===//
+
+// NOTE: Needs to be kept in sync with compiler-rt/lib/ubsan/ubsan_handlers.h
+// from LLVM project.
+
 #ifndef UBSAN_HANDLERS_H
 #define UBSAN_HANDLERS_H
 
diff --git a/runtime/Sanitizer/ubsan/ubsan_value.h b/runtime/Sanitizer/ubsan/ubsan_value.h
index 5474961e..02f1adf6 100644
--- a/runtime/Sanitizer/ubsan/ubsan_value.h
+++ b/runtime/Sanitizer/ubsan/ubsan_value.h
@@ -10,6 +10,12 @@
 // the ubsan runtime.
 //
 //===----------------------------------------------------------------------===//
+
+// NOTE: Needs to be kept in sync with compiler-rt/lib/ubsan/ubsan_value.h
+// from LLVM project.
+// But in fact, only subset of TypeDescriptor was used and SourceLocation left
+// for later work on specifying location in ubsan_handlers.cpp, so how it is.
+
 #ifndef UBSAN_VALUE_H
 #define UBSAN_VALUE_H