#include "config.h"
#include <wtf/PtrTag.h>
#include <wtf/WTFConfig.h>
namespace WTF {
#if CPU(ARM64E) && ENABLE(PTRTAG_DEBUGGING)
static const char* tagForPtr(const void* ptr)
{
PtrTagLookup* lookup = g_wtfConfig.ptrTagLookupHead;
while (lookup) {
const char* tagName = lookup->tagForPtr(ptr);
if (tagName)
return tagName;
lookup = lookup->next;
}
if (ptr == removeCodePtrTag(ptr))
return "NoPtrTag";
#define RETURN_NAME_IF_TAG_MATCHES(tag) \
if (ptr == tagCodePtrImpl<PtrTagAction::NoAssert>(removeCodePtrTag(ptr), tag)) \
return #tag;
FOR_EACH_WTF_PTRTAG(RETURN_NAME_IF_TAG_MATCHES)
#undef RETURN_NAME_IF_TAG_MATCHES
return "<unknown PtrTag>";
}
static const char* ptrTagName(PtrTag tag)
{
PtrTagLookup* lookup = g_wtfConfig.ptrTagLookupHead;
while (lookup) {
const char* tagName = lookup->ptrTagName(tag);
if (tagName)
return tagName;
lookup = lookup->next;
}
#define RETURN_WTF_PTRTAG_NAME(_tagName) case _tagName: return #_tagName;
switch (tag) {
FOR_EACH_WTF_PTRTAG(RETURN_WTF_PTRTAG_NAME)
default: return "<unknown>";
}
#undef RETURN_WTF_PTRTAG_NAME
}
void registerPtrTagLookup(PtrTagLookup* lookup)
{
lookup->next = g_wtfConfig.ptrTagLookupHead;
g_wtfConfig.ptrTagLookupHead = lookup;
}
void reportBadTag(const void* ptr, PtrTag expectedTag)
{
dataLog("PtrTag ASSERTION FAILED on pointer ", RawPointer(ptr), ", actual tag = ", tagForPtr(ptr));
if (expectedTag == AnyPtrTag)
dataLogLn(", expected any tag but NoPtrTag");
else
dataLogLn(", expected tag = ", ptrTagName(expectedTag));
}
#endif // CPU(ARM64E) && ENABLE(PTRTAG_DEBUGGING)
}