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--- xnu/xnu-2050.7.9/libkern/c++/OSObject.cpp
+++ xnu/xnu-1228/libkern/c++/OSObject.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000 Apple Inc. All rights reserved.
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
@@ -87,6 +87,25 @@
OSMetaClassDefineReservedUnused(OSObject, 14);
OSMetaClassDefineReservedUnused(OSObject, 15);
+#ifdef __ppc__
+OSMetaClassDefineReservedUnused(OSObject, 16);
+OSMetaClassDefineReservedUnused(OSObject, 17);
+OSMetaClassDefineReservedUnused(OSObject, 18);
+OSMetaClassDefineReservedUnused(OSObject, 19);
+OSMetaClassDefineReservedUnused(OSObject, 20);
+OSMetaClassDefineReservedUnused(OSObject, 21);
+OSMetaClassDefineReservedUnused(OSObject, 22);
+OSMetaClassDefineReservedUnused(OSObject, 23);
+OSMetaClassDefineReservedUnused(OSObject, 24);
+OSMetaClassDefineReservedUnused(OSObject, 25);
+OSMetaClassDefineReservedUnused(OSObject, 26);
+OSMetaClassDefineReservedUnused(OSObject, 27);
+OSMetaClassDefineReservedUnused(OSObject, 28);
+OSMetaClassDefineReservedUnused(OSObject, 29);
+OSMetaClassDefineReservedUnused(OSObject, 30);
+OSMetaClassDefineReservedUnused(OSObject, 31);
+#endif
+
static const char *getClassName(const OSObject *obj)
{
const OSMetaClass *meta = obj->getMetaClass();
@@ -96,6 +115,12 @@
bool OSObject::init()
{ return true; }
+#if (!__ppc__) || (__GNUC__ < 3)
+
+// Implemented in assembler in post gcc 3.x systems as we have a problem
+// where the destructor in gcc2.95 gets 2 arguments. The second argument
+// appears to be a flag argument. I have copied the assembler from Puma xnu
+// to OSRuntimeSupport.c So for 2.95 builds use the C
void OSObject::free()
{
const OSMetaClass *meta = getMetaClass();
@@ -104,6 +129,7 @@
meta->instanceDestructed();
delete this;
}
+#endif /* (!__ppc__) || (__GNUC__ < 3) */
int OSObject::getRetainCount() const
{
@@ -139,7 +165,7 @@
#if !DEBUG
break; // Break out of update loop which pegs the reference
-#else /* DEBUG */
+#else DEBUG
// @@@ gvdl: eventually need to make this panic optional
// based on a boot argument i.e. debug= boot flag
msg = "About to wrap the reference count, reference leak?";
@@ -149,7 +175,7 @@
}
newCount = origCount + inc;
- } while (!OSCompareAndSwap(origCount, newCount, const_cast<UInt32 *>(countP)));
+ } while (!OSCompareAndSwap(origCount, newCount, (UInt32 *) countP));
}
void OSObject::taggedRelease(const void *tag) const
@@ -186,7 +212,7 @@
#if !DEBUG
return; // return out of function which pegs the reference
-#else /* DEBUG */
+#else DEBUG
// @@@ gvdl: eventually need to make this panic optional
// based on a boot argument i.e. debug= boot flag
panic("OSObject::refcount: %s",
@@ -200,28 +226,23 @@
else
newCount = actualCount;
- } while (!OSCompareAndSwap(origCount, newCount, const_cast<UInt32 *>(countP)));
+ } while (!OSCompareAndSwap(origCount, newCount, (UInt32 *) countP));
//
// This panic means that we have just attempted to release an object
- // whose retain count has gone to less than the number of collections
+ // who's retain count has gone to less than the number of collections
// it is a member off. Take a panic immediately.
- // In fact the panic MAY not be a registry corruption but it is
+ // In Fact the panic MAY not be a registry corruption but it is
// ALWAYS the wrong thing to do. I call it a registry corruption 'cause
// the registry is the biggest single use of a network of collections.
//
-// xxx - this error message is overly-specific;
-// xxx - any code in the kernel could trip this,
-// xxx - and it applies as noted to all collections, not just the registry
- if ((UInt16) actualCount < (actualCount >> 16)) {
- panic("A kext releasing a(n) %s has corrupted the registry.",
- getClassName(this));
- }
+ if ((UInt16) actualCount < (actualCount >> 16))
+ panic("A driver releasing a(n) %s has corrupted the registry\n",
+ getClassName(this));
// Check for a 'free' condition and that if we are first through
- if (newCount == 0xffff) {
- (const_cast<OSObject *>(this))->free();
- }
+ if (newCount == 0xffff)
+ ((OSObject *) this)->free();
}
void OSObject::release() const