// Find the containing map info for the PC.
const MapEntry* MapData::find(uintptr_t pc, uintptr_t* rel_pc) {
for (auto* entry : entries_) {
if ((pc >= entry->start) && (pc < entry->end)) {
if (!entry->load_base_read) {
read_loadbase(entry);
}
if (rel_pc) {
*rel_pc = pc - entry->start + entry->load_base;
}
return entry;
}
}
if (rel_pc) {
*rel_pc = pc;
}
return nullptr;
}
// Find the containing map info for the PC.
const MapEntry* MapData::find(uintptr_t pc, uintptr_t* rel_pc) {
MapEntry pc_entry(pc);
std::lock_guard<std::mutex> lock(m_);
auto it = entries_.find(&pc_entry);
if (it == entries_.end()) {
ReadMaps();
}
it = entries_.find(&pc_entry);
if (it == entries_.end()) {
return nullptr;
}
MapEntry *entry = *it;
if (!entry->load_base_read) {
read_loadbase(entry);
}
if (rel_pc) {
*rel_pc = pc - entry->start + entry->load_base;
}
return entry;
}
