/* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */ /* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */ /* This Hello World simply print out "Hello World" */ #include "pal.h" #include "pal_debug.h" void handler1 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context) { pal_printf("Div-by-Zero Exception Handler 1: %p, rip = %p\n", arg, context->rip); while (*(unsigned char *) context->rip != 0x90) context->rip++; DkExceptionReturn(event); } void handler2 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context) { pal_printf("Div-by-Zero Exception Handler 2: %p, rip = %p\n", arg, context->rip); while (*(unsigned char *) context->rip != 0x90) context->rip++; DkExceptionReturn(event); } void handler3 (PAL_PTR event, PAL_NUM arg, PAL_CONTEXT * context) { pal_printf("Memory Fault Exception Handler: %p, rip = %p\n", arg, context->rip); while (*(unsigned char *) context->rip != 0x90) context->rip++; DkExceptionReturn(event); } int main (void) { volatile long i; DkSetExceptionHandler(handler1, PAL_EVENT_DIVZERO, 0); i = 0; i = 1 / i; asm volatile("nop"); DkSetExceptionHandler(handler2, PAL_EVENT_DIVZERO, 0); i = 0; i = 1 / i; asm volatile("nop"); DkSetExceptionHandler(handler3, PAL_EVENT_MEMFAULT, 0); *(volatile long *) 0x1000 = 0; asm volatile("nop"); return 0; }