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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _ASM_THREAD_H 28 #define _ASM_THREAD_H 29 30 #include <sys/ccompile.h> 31 #include <sys/types.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #if !defined(__lint) && defined(__GNUC__) 38 39 struct _kthread; 40 41 extern __GNU_INLINE struct _kthread * threadp(void)42threadp(void) 43 { 44 void *__value; 45 46 #if defined(__sparcv9) 47 __asm__ __volatile__( 48 ".register %%g7, #scratch\n\t" 49 "mov %%g7, %0" 50 : "=r" (__value)); 51 #else 52 #error "port me" 53 #endif 54 return (__value); 55 } 56 57 extern __GNU_INLINE caddr_t caller(void)58caller(void) 59 { 60 caddr_t __value; 61 62 #if defined(__sparcv9) 63 __asm__ __volatile__( 64 "mov %%i7, %0" 65 : "=r" (__value)); 66 #else 67 #error "port me" 68 #endif 69 return (__value); 70 } 71 72 extern __GNU_INLINE caddr_t callee(void)73callee(void) 74 { 75 caddr_t __value; 76 77 #if defined(__sparcv9) 78 __asm__ __volatile__( 79 "mov %%o7, %0" 80 : "=r" (__value)); 81 #else 82 #error "port me" 83 #endif 84 return (__value); 85 } 86 87 #endif /* !__lint && __GNUC__ */ 88 89 #ifdef __cplusplus 90 } 91 #endif 92 93 #endif /* _ASM_THREAD_H */ 94