fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Common Development and Distribution License, Version 1.0 only
fa9e4066f08beec538e775443c5be79dd423fcabahrens * (the "License"). You may not use this file except in compliance
fa9e4066f08beec538e775443c5be79dd423fcabahrens * with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Use is subject to license terms.
fa9e4066f08beec538e775443c5be79dd423fcabahrens#pragma ident "%Z%%M% %I% %E% SMI"
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Debugger co-routine context support. kmdb co-routines are essentially the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * same as the ones used by mdb, with the exception that we allocate the stack
fa9e4066f08beec538e775443c5be79dd423fcabahrens * for the co-routine from our heap.
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_context_t *c = mdb_zalloc(sizeof (mdb_context_t), UM_NOSLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens c->ctx_stack = mdb_alloc_align(c->ctx_stacksize, pagesize, UM_NOSLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens kmdb_makecontext(&c->ctx_uc, (void (*)(void *))context_init, c,
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (c);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (setjmp(c->ctx_pcb) == 0 && kmdb_setcontext(&c->ctx_uc) == -1)
fa9e4066f08beec538e775443c5be79dd423fcabahrens fail("unexpectedly returned from context %p", (void *)c);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (&c->ctx_pcb);