Function build_addr_index

src/os/linux/pscallstack.cpp:26–35

    std::vector<std::size_t> idx;
};
AddrIndex build_addr_index(const KallsymsResult& ks) {
    AddrIndex a;
    a.idx.resize(ks.symbols.size());
    for (std::size_t i = 0; i < ks.symbols.size(); ++i) a.idx[i] = i;
    std::sort(a.idx.begin(), a.idx.end(),
        [&](std::size_t i, std::size_t j) {
            return ks.symbols[i].address < ks.symbols[j].address;
        });
    return a;
}
const KallsymsEntry* find_sym_below(const KallsymsResult& ks,
                                     const AddrIndex& a, VAddr addr) {
    if (a.idx.empty()) return nullptr;