#include <signal.h>
#include <stdio.h>
#include <sys/ucontext.h>


void mysighandler(int signal, siginfo_t *info, struct ucontext *context)
{
    struct pt_regs *regs = context->uc_mcontext.regs;
    printf("Signal received: %d\n", signal);
    printf("  si_signo=%d si_code=%d, si_addr=0x%lx\n\n",
	info->si_signo, info->si_code, info->si_addr);

    printf("regs->nip   = 0x%lx\n", regs->nip);
    printf("regs->dar   = 0x%lx\n", regs->dar);
    printf("regs->dsisr = 0x%lx\n", regs->dsisr);
    printf("regs->trap  = 0x%lx\n", regs->trap);

    exit(-1);
}

void sigsegv(int *p)
{
    *p = 9;
}

int
main(void)
{
    struct sigaction sa;
    sigset_t sigset;

    /* register signal handler via sigaction */
    sa.sa_flags = SA_SIGINFO;
    sa.sa_sigaction = (void *)&mysighandler;
    sigemptyset(&sa.sa_mask);
    sigaction(SIGSEGV, &sa, NULL);

    sigsegv((int *)0x13);

    return 0;
}