1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#pragma ident "%Z%%M% %I% %E% SMI" 28 29#include <sys/asm_linkage.h> 30#include <sys/regset.h> 31 32#if defined(__lint) 33#include <ucontext.h> 34#endif 35 36#include "kmdb_context_off.h" 37 38#define UC_GREG(name) (UC_MCTX + MCTX_GREGS + (name * MCTX_GREGS_INCR)) 39 40#if defined(__lint) 41/*ARGSUSED*/ 42int 43kmdb_setcontext(ucontext_t *ucp) 44{ 45 return (0); 46} 47#else 48 49 ENTRY(kmdb_setcontext) 50 flushw 51 52 mov %o0, %g7 53 54 ldx [%g7 + UC_GREG(REG_O0)], %o0 55 ldx [%g7 + UC_GREG(REG_O1)], %o1 56 ldx [%g7 + UC_GREG(REG_O2)], %o2 57 ldx [%g7 + UC_GREG(REG_O3)], %o3 58 ldx [%g7 + UC_GREG(REG_O4)], %o4 59 ldx [%g7 + UC_GREG(REG_O5)], %o5 60 ldx [%g7 + UC_GREG(REG_O6)], %o6 61 ldx [%g7 + UC_GREG(REG_O7)], %o7 62 63 ldx [%g7 + UC_GREG(REG_G1)], %g1 64 ldx [%g7 + UC_GREG(REG_G2)], %g2 65 ldx [%g7 + UC_GREG(REG_G3)], %g3 66 ldx [%g7 + UC_GREG(REG_G4)], %g4 67 ldx [%g7 + UC_GREG(REG_G5)], %g5 68 ldx [%g7 + UC_GREG(REG_G6)], %g6 69 70 /* ick */ 71 ldx [%g7 + UC_GREG(REG_PC)], %l0 72 jmp %l0 73 ldx [%g7 + UC_GREG(REG_G7)], %g7 74 75 SET_SIZE(kmdb_setcontext) 76 77#endif 78