void
delRegionByPointer(void *ptr) {
for (RegionMap::iterator it = regionMap.begin(); it != regionMap.end(); ++it) {
if (it->second.buffer == ptr) {
regionMap.erase(it);
return;
}
}
assert(0);
}
// Iterator to the first region that contains the address
static RegionMap::iterator
lowerBound(unsigned long long address) {
RegionMap::iterator it = regionMap.lower_bound(address);
while (it != regionMap.begin() &&
it != regionMap.end() &&
it->first + it->second. size > address) {
--it;
}
return it;
}
static RegionMap::iterator
lookupRegion(unsigned long long address) {
RegionMap::iterator it = regionMap.lower_bound(address);
if (it == regionMap.end() ||
it->first > address) {
if (it == regionMap.begin()) {
return regionMap.end();
} else {
--it;
}
}
assert(contains(it, address));
return it;
}
// Iterator to the first region that contains the address, or the first after
static RegionMap::iterator
lowerBound(unsigned long long address) {
RegionMap::iterator it = regionMap.lower_bound(address);
while (it != regionMap.begin()) {
RegionMap::iterator pred = it;
--pred;
if (contains(pred, address)) {
it = pred;
} else {
break;
}
}
#ifndef NDEBUG
if (it != regionMap.end()) {
assert(contains(it, address) || it->first > address);
}
#endif
return it;
}