ART: invoke-custom support
Adds invoke-custom instruction to the interpreter.
Bug: 33191717,30550796
Test: art/test/run-test --host 952
Change-Id: I3b754128649a8b3a00ade79ba2518d0e377f3a1e
diff --git a/runtime/utils.h b/runtime/utils.h
index 67438b5..96e5bfa 100644
--- a/runtime/utils.h
+++ b/runtime/utils.h
@@ -301,6 +301,30 @@
}
}
+// Returns a type cast pointer if object pointed to is within the provided bounds.
+// Otherwise returns nullptr.
+template <typename T>
+inline static T BoundsCheckedCast(const void* pointer,
+ const void* lower,
+ const void* upper) {
+ const uint8_t* bound_begin = static_cast<const uint8_t*>(lower);
+ const uint8_t* bound_end = static_cast<const uint8_t*>(upper);
+ DCHECK(bound_begin <= bound_end);
+
+ T result = reinterpret_cast<T>(pointer);
+ const uint8_t* begin = static_cast<const uint8_t*>(pointer);
+ const uint8_t* end = begin + sizeof(*result);
+ if (begin < bound_begin || end > bound_end || begin > end) {
+ return nullptr;
+ }
+ return result;
+}
+
+template <typename T, size_t size>
+constexpr size_t ArrayCount(const T (&)[size]) {
+ return size;
+}
+
} // namespace art
#endif // ART_RUNTIME_UTILS_H_