On Thu, Mar 14, 2013 at 02:52:35PM +0000, Dimitris Papastamos wrote:
> if (rbnode) {
> reg_tmp = (reg - rbnode->base_reg) / map->reg_stride;
> + /* Does this register exist? If not bail out. */
> + if (!(rbtree_ctx->reg_present[BIT_WORD(reg)] & BIT_MASK(reg)))
> + return -ENOENT;
> *value = regcache_rbtree_get_register(map, rbnode, reg_tmp);This means that every caller is going to need to have a check added to see if the register is present which doesn't seem great, we should at least have a function to do the check. The check is fiddly enough.
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