// Rewrites the dispatch tables into machine code offsets. static void patchdispatch(jitcompiler *jc) { upb_inttable_iter i; upb_inttable_begin(&i, &jc->group->methods); for (; !upb_inttable_done(&i); upb_inttable_next(&i)) { upb_pbdecodermethod *method = upb_value_getptr(upb_inttable_iter_value(&i)); method->is_native_ = true; upb_inttable *dispatch = &method->dispatch; upb_inttable_iter i2; upb_inttable_begin(&i2, dispatch); for (; !upb_inttable_done(&i2); upb_inttable_next(&i2)) { uintptr_t key = upb_inttable_iter_key(&i2); if (key == 0) continue; uint64_t val = upb_value_getuint64(upb_inttable_iter_value(&i2)); uint64_t newval; if (key <= UPB_MAX_FIELDNUMBER) { // Primary slot. uint64_t oldofs = val >> 16; uint64_t newofs = dispatchofs(jc, method, oldofs); newval = (val & 0xffff) | (newofs << 16); assert((int64_t)newval > 0); } else { // Secondary slot. Since we have 64 bits for the value, we use an // absolute offset. newval = (uint64_t)(jc->group->jit_code + nativeofs(jc, method, val)); } bool ok = upb_inttable_replace(dispatch, key, upb_value_uint64(newval)); UPB_ASSERT_VAR(ok, ok); }
// Populates the given UPB_CTYPE_INT32 inttable with counts of ref2's that // originate from the given owner. static void getref2s(const upb_refcounted *owner, upb_inttable *tab) { upb_lock(); upb_inttable_iter i; upb_inttable_begin(&i, owner->ref2s); for(; !upb_inttable_done(&i); upb_inttable_next(&i)) { upb_refcounted *to = (upb_refcounted*)upb_inttable_iter_key(&i); // To get the count we need to look in the target's table. upb_value v; bool found = upb_inttable_lookupptr(to->refs, owner, &v); assert(found); trackedref *ref = upb_value_getptr(v); upb_value count = upb_value_int32(ref->count); bool ok = upb_inttable_insertptr(tab, to, count); CHECK_OOM(ok); } upb_unlock(); }