Changeset 245264 in webkit

Timestamp:

May 13, 2019 4:43:09 PM (5 years ago)

Author:

ysuzuki@apple.com

Message:

Unreviewed, wrokaround for MACH_VM_MAX_ADDRESS in ARM32_64
​https://bugs.webkit.org/show_bug.cgi?id=197730

Interestingly, MACH_VM_MAX_ADDRESS is larger than 32bit in ARM32_64, I think this is a bug.
But for now, we workaround for this case by using CPU(ADDRESS64).

• wtf/WTFAssertions.cpp:

Location:

trunk/Source/WTF

Files:

• ChangeLog (modified) (1 diff)
• wtf/WTFAssertions.cpp (modified) (1 diff)

trunk/Source/WTF/ChangeLog

@@ +1 @@
+2019-05-13  Yusuke Suzuki  <ysuzuki@apple.com>
+
+        Unreviewed, wrokaround for MACH_VM_MAX_ADDRESS in ARM32_64
+        https://bugs.webkit.org/show_bug.cgi?id=197730
+
+        Interestingly, MACH_VM_MAX_ADDRESS is larger than 32bit in ARM32_64, I think this is a bug.
+        But for now, we workaround for this case by using `CPU(ADDRESS64)`.
+
+        * wtf/WTFAssertions.cpp:
+
 2019-05-13  Yusuke Suzuki  <ysuzuki@apple.com>
 

trunk/Source/WTF/wtf/WTFAssertions.cpp

@@ -49 +49 @@
 static_assert(sizeof(RefCountedArray<DummyStruct>) == sizeof(void*), "");
 
-#if OS(DARWIN)
+#if OS(DARWIN) && CPU(ADDRESS64)
 static_assert(MACH_VM_MAX_ADDRESS <= ((1ULL << WTF_CPU_EFFECTIVE_ADDRESS_WIDTH) - 1));
 #endif