Method removeModuleIf

src/pystack/_pystack/elf_common.cpp:124–159

}

void
CoreFileAnalyzer::removeModuleIf(std::function<bool(Dwfl_Module*)> predicate) const
{
    using Predicate = decltype(predicate);
    struct CallbackArgs
    {
        Dwfl* dwfl;
        Predicate& predicate;
    } callback_args = {d_dwfl.get(), predicate};

    // Remove all modules, except for any that the callback re-adds.
    dwfl_report_begin(d_dwfl.get());

    int const rc = dwfl_report_end(
            d_dwfl.get(),
            [](Dwfl_Module* mod, void*, const char* name, Dwarf_Addr start, void* arg) -> int {
                auto& callback_args = *static_cast<CallbackArgs*>(arg);
                if (!callback_args.predicate(mod)) {
                    Dwarf_Addr end;
                    dwfl_module_info(mod, nullptr, nullptr, &end, nullptr, nullptr, nullptr, nullptr);
                    if (!dwfl_report_module(callback_args.dwfl, name, start, end)) {
                        throw ElfAnalyzerError(
                                std::string("Unexpected error retaining DWARF module: ")
                                + dwfl_errmsg(dwfl_errno()));
                    }
                }
                return 0;
            },
            &callback_args);

    if (0 != rc) {
        throw ElfAnalyzerError(
                std::string("Unexpected error while filtering DWARF modules: ")
                + dwfl_errmsg(dwfl_errno()));
    }
}

void
CoreFileAnalyzer::resolveLibraries()