Method prepareFpuException

source/emulation/cpu/common/cpu.cpp:211–227

}

void CPU::prepareFpuException(int code, int error) {
    const KProcessPtr& process = this->thread->process;

    // blocking signals, signalfd can't handle these
    if (process->sigActions[K_SIGSEGV].handlerAndSigAction != K_SIG_IGN && process->sigActions[K_SIGSEGV].handlerAndSigAction != K_SIG_DFL) {
        process->sigActions[K_SIGSEGV].sigInfo[0] = K_SIGFPE;
        process->sigActions[K_SIGSEGV].sigInfo[1] = error; // always 0?
        process->sigActions[K_SIGSEGV].sigInfo[2] = code;
        process->sigActions[K_SIGSEGV].sigInfo[3] = 0; // address
        process->sigActions[K_SIGSEGV].sigInfo[4] = 16; // trap #, TRAP_x86_ARITHTRAP
        this->thread->runSignal(K_SIGSEGV, 13, error);
    } else {
        CPU* cpu = this;
        this->walkStack(this->eip.u32, EBP, 2);
        kpanic_fmt("unhandled exception: code=%d error=%d", code, error);
    }
}

void CPU::prepareException(int code, int error) {
    const KProcessPtr& process = this->thread->process;