void 
cos_init(void *d)
{
	cgraph_init();
}
Exemplo n.º 2
0
int cmd_cgraph(char **arg)
{
	char *offset_text, *len_text, *addr_text;;
	address_t offset, len, addr;
	uint8_t *memory;
	struct call_graph graph;

	/* Figure out what the arguments are */
	offset_text = get_arg(arg);
	len_text = get_arg(arg);
	addr_text = get_arg(arg);

	if (!(offset_text && len_text)) {
		printc_err("cgraph: offset and length must be "
			"specified\n");
		return -1;
	}

	if (expr_eval(offset_text, &offset) < 0) {
		printc_err("cgraph: invalid offset: %s\n", offset_text);
		return -1;
	}
	offset &= ~1;

	if (expr_eval(len_text, &len) < 0) {
		printc_err("cgraph: invalid length: %s\n", len_text);
		return -1;
	}
	len &= ~1;

	if (addr_text && expr_eval(addr_text, &addr) < 0) {
		printc_err("cgraph: invalid address: %s\n", addr_text);
		return -1;
	}

	/* Grab the memory to be analysed */
	memory = malloc(len);
	if (!memory) {
		printc_err("cgraph: couldn't allocate memory: %s\n",
			last_error());
		return -1;
	}

	if (device_readmem(offset, memory, len) < 0) {
		printc_err("cgraph: couldn't fetch memory\n");
		free(memory);
		return -1;
	}

	/* Produce and display the call graph */
	if (cgraph_init(offset, len, memory, &graph) < 0) {
		printc_err("cgraph: couldn't build call graph\n");
		free(memory);
		return -1;
	}
	free(memory);

	if (addr_text)
		cgraph_func_info(&graph, addr);
	else
		cgraph_summary(&graph);

	cgraph_destroy(&graph);
	return 0;
}