windows-user-space-emulator/src/windows-emulator/syscalls/exception.cpp

#include "../std_include.hpp"
#include "../emulator_utils.hpp"
#include "../syscall_utils.hpp"

namespace syscalls
{
    NTSTATUS handle_NtRaiseHardError(const syscall_context& c, const NTSTATUS error_status, const ULONG number_of_parameters,
                                     const emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>>
                                         /*unicode_string_parameter_mask*/,
                                     const uint64_t parameters, const HARDERROR_RESPONSE_OPTION /*valid_response_option*/,
                                     const emulator_object<HARDERROR_RESPONSE> response)
    {
        if (response)
        {
            response.write(ResponseAbort);
        }

        if (error_status & STATUS_SERVICE_NOTIFICATION && number_of_parameters >= 3)
        {
            ULONG_PTR params[3] = {0, 0, 0};

            if (c.emu.try_read_memory(parameters, &params, sizeof(params)))
            {
                std::u16string message =
                    read_unicode_string(c.emu, emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>>{c.emu, params[0]});
                c.win_emu.log.error("Error Message: %s\n", u16_to_u8(message).c_str());
            }
        }

        c.proc.exit_status = error_status;
        c.win_emu.callbacks.on_exception();
        c.emu.stop();

        return STATUS_SUCCESS;
    }

    NTSTATUS handle_NtRaiseException(const syscall_context& c,
                                     const emulator_object<EMU_EXCEPTION_RECORD<EmulatorTraits<Emu64>>> /*exception_record*/,
                                     const emulator_object<CONTEXT64> /*thread_context*/, const BOOLEAN handle_exception)
    {
        if (handle_exception)
        {
            c.win_emu.log.error("Unhandled exceptions not supported yet!\n");
            c.emu.stop();
            return STATUS_NOT_SUPPORTED;
        }

        c.win_emu.callbacks.on_exception();
        c.emu.stop();

        return STATUS_SUCCESS;
    }
}