Function scan_swapper

src/os/linux/kernel_resolver.cpp:35–55

}

std::vector<PAddr> scan_swapper(const PhysicalLayer& phys) {
    std::vector<PAddr> hits;
    std::vector<u8>    buf(kScanChunk + 16);
    PAddr maxa = phys.max_address();
    PAddr pa = 0;
    log::debug("Scanning {:.1f} MB for swapper signature...", maxa / (1024.0 * 1024));
    while (pa < maxa) {
        std::size_t want = std::min<u64>(kScanChunk + 16, maxa - pa);
        std::size_t got  = phys.read(pa, buf.data(), want);
        if (got == 0) { pa += kScanChunk; continue; }
        std::size_t scan_end = (got >= 16) ? (got - 16) : 0;
        for (std::size_t i = 0; i < scan_end; ++i) {
            if (match_swapper(buf.data() + i, got - i)) {
                hits.push_back(pa + i);
            }
        }
        pa += kScanChunk; // overlap of 16 handled by reading want=CHUNK+16
    }
    log::debug("Found {} swapper candidates", hits.size());
    return hits;
}

bool read_string(const PhysicalLayer& phys, PAddr pa, std::size_t max, std::string& out) {
    std::vector<u8> b(max);