Merge "libbinder: size checks for Parcel+IBinder" am: 64117a8dfb
Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1694225
Change-Id: I7da3922b67918fef9d25a92bd840c01b827f1370
diff --git a/libs/binder/Binder.cpp b/libs/binder/Binder.cpp
index d964d25..d5bdd1c 100644
--- a/libs/binder/Binder.cpp
+++ b/libs/binder/Binder.cpp
@@ -29,6 +29,16 @@
namespace android {
+// Service implementations inherit from BBinder and IBinder, and this is frozen
+// in prebuilts.
+#ifdef __LP64__
+static_assert(sizeof(IBinder) == 24);
+static_assert(sizeof(BBinder) == 40);
+#else
+static_assert(sizeof(IBinder) == 12);
+static_assert(sizeof(BBinder) == 20);
+#endif
+
// ---------------------------------------------------------------------------
IBinder::IBinder()
diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 98ca829..39d6a2e 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -78,7 +78,11 @@
namespace android {
// many things compile this into prebuilts on the stack
-static_assert(sizeof(Parcel) == 60 || sizeof(Parcel) == 120);
+#ifdef __LP64__
+static_assert(sizeof(Parcel) == 120);
+#else
+static_assert(sizeof(Parcel) == 60);
+#endif
static std::atomic<size_t> gParcelGlobalAllocCount;
static std::atomic<size_t> gParcelGlobalAllocSize;