tls_get_addr.s revision 2
2N/A * The contents of this file are subject to the terms of the 2N/A * Common Development and Distribution License (the "License"). 2N/A * You may not use this file except in compliance with the License. 2N/A * See the License for the specific language governing permissions 2N/A * and limitations under the License. 2N/A * When distributing Covered Code, include this CDDL HEADER in each 2N/A * If applicable, add the following below this CDDL HEADER, with the 2N/A * fields enclosed by brackets "[]" replaced with your own identifying 2N/A * information: Portions Copyright [yyyy] [name of copyright owner] 2N/A * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 2N/A * Use is subject to license terms. 2N/A * To make thread-local storage accesses as fast as possible, we 2N/A * hand-craft the __tls_get_addr() function below, from this C code: 2N/A * __tls_get_addr(TLS_index *tls_index) 2N/A * ulwp_t *self = curthread; 2N/A * tls_t *tlsent = self->ul_tlsent; 2N/A * if ((moduleid = tls_index->ti_moduleid) < self->ul_ntlsent && 2N/A * (base = tlsent[moduleid].tls_data) != NULL) 2N/A * return (base + tls_index->ti_tlsoffset); 2N/A * return (slow_tls_get_addr(tls_index)); 2N/A * ___tls_get_addr() is identical to __tls_get_addr() except that it 2N/A * assumes its argument is passed in %eax rather than on the stack.