Changeset 245254 in webkit

Timestamp:

May 13, 2019 3:00:09 PM (5 years ago)

Author:

ysuzuki@apple.com

Message:

Unreviewed, follow-up after r245214
​https://bugs.webkit.org/show_bug.cgi?id=197730

Suggested by Sam. We should have static_assert with MACH_VM_MAX_ADDRESS.

• wtf/WTFAssertions.cpp:

Location:

trunk/Source/WTF

Files:

• ChangeLog (modified) (1 diff)
• wtf/WTFAssertions.cpp (modified) (2 diffs)

trunk/Source/WTF/ChangeLog

@@ +1 @@
+2019-05-13  Yusuke Suzuki  <ysuzuki@apple.com>
+
+        Unreviewed, follow-up after r245214
+        https://bugs.webkit.org/show_bug.cgi?id=197730
+
+        Suggested by Sam. We should have static_assert with MACH_VM_MAX_ADDRESS.
+
+        * wtf/WTFAssertions.cpp:
+
 2019-05-13  Youenn Fablet  <youenn@apple.com>
 

trunk/Source/WTF/wtf/WTFAssertions.cpp

@@ -27 +27 @@
 
 #include <wtf/Bag.h>
+#include <wtf/Platform.h>
 #include <wtf/RefCountedArray.h>
 #include <wtf/RefPtr.h>
+
+#if OS(DARWIN)
+#include <mach/vm_param.h>
+#endif
 
 namespace WTF {
@@ -43 +48 @@
 
 static_assert(sizeof(RefCountedArray<DummyStruct>) == sizeof(void*), "");
+
+#if OS(DARWIN)
+static_assert(MACH_VM_MAX_ADDRESS <= ((1ULL << WTF_CPU_EFFECTIVE_ADDRESS_WIDTH) - 1));
+#endif
     
 } // namespace WTF