/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Copyright 2015 Nexenta Systems, Inc. All rights reserved. * * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_REGSET_H #define _SYS_REGSET_H #include <sys/feature_tests.h> #if !defined(_ASM) #include <sys/int_types.h> #endif #include <sys/mcontext.h> #ifdef __cplusplus extern "C" { #endif /* * Location of the users' stored registers relative to R0. * Usage is as an index into a gregset_t array or as u.u_ar0[XX]. */ #if defined(__sparcv9) #define REG_CCR (0) #if defined(_SYSCALL32) #define REG_PSR (0) #endif /* _SYSCALL32 */ #else #define REG_PSR (0) #endif /* __sparcv9 */ #define REG_PC (1) #define REG_nPC (2) #define REG_Y (3) #define REG_G1 (4) #define REG_G2 (5) #define REG_G3 (6) #define REG_G4 (7) #define REG_G5 (8) #define REG_G6 (9) #define REG_G7 (10) #define REG_O0 (11) #define REG_O1 (12) #define REG_O2 (13) #define REG_O3 (14) #define REG_O4 (15) #define REG_O5 (16) #define REG_O6 (17) #define REG_O7 (18) #if defined(__sparcv9) #define REG_ASI (19) #define REG_FPRS (20) #endif /* __sparcv9 */ /* the following defines are for portability */ #if !defined(__sparcv9) #define REG_PS REG_PSR #endif /* __sparcv9 */ #define REG_SP REG_O6 #define REG_R0 REG_O0 #define REG_R1 REG_O1 #ifndef _ASM #define NGREG _NGREG #define MAXFPQ _MAXFPQ /* * The following structures define how a register window can appear on the * stack. This structure is available (when required) through the `gwins' * field of an mcontext (nested within ucontext). SPARC_MAXWINDOW is the * maximum number of outstanding regiters window defined in the SPARC * architecture (*not* implementation). */ #define SPARC_MAXREGWINDOW 31 /* max windows in SPARC arch. */ struct rwindow { greg_t rw_local[8]; /* locals */ greg_t rw_in[8]; /* ins */ }; #if defined(_SYSCALL32) struct rwindow32 { greg32_t rw_local[8]; /* locals */ greg32_t rw_in[8]; /* ins */ }; struct rwindow64 { greg64_t rw_local[8]; /* locals */ greg64_t rw_in[8]; /* ins */ }; #if defined(_KERNEL) extern void rwindow_nto32(struct rwindow *, struct rwindow32 *); extern void rwindow_32ton(struct rwindow32 *, struct rwindow *); #endif #endif /* _SYSCALL32 */ #define rw_fp rw_in[6] /* frame pointer */ #define rw_rtn rw_in[7] /* return address */ typedef struct _gwindows { int wbcnt; greg_t *spbuf[SPARC_MAXREGWINDOW]; struct rwindow wbuf[SPARC_MAXREGWINDOW]; } gwindows_t; #if defined(_SYSCALL32) typedef struct gwindows32 { int32_t wbcnt; caddr32_t spbuf[SPARC_MAXREGWINDOW]; struct rwindow32 wbuf[SPARC_MAXREGWINDOW]; } gwindows32_t; typedef struct gwindows64 { int wbcnt; greg64_t *spbuf[SPARC_MAXREGWINDOW]; struct rwindow64 wbuf[SPARC_MAXREGWINDOW]; } gwindows64_t; #endif /* _SYSCALL32 */ /* * The following #define's are obsolete and may be removed in a future release. * The corresponding integer types should be used instead (i.e. uint64_t). */ #define FPU_REGS_TYPE uint32_t #define FPU_DREGS_TYPE uint64_t #define V7_FPU_FSR_TYPE uint32_t #define V9_FPU_FSR_TYPE uint64_t #define V9_FPU_FPRS_TYPE uint32_t #define XRS_ID _XRS_ID #endif /* !_ASM */ /* * The version of privregs.h that is used on implementations that run * on processors that support the V9 instruction set is deliberately not * imported here. * * The V9 'struct regs' definition is -not- compatible with either 32-bit * or 64-bit core file contents, nor with the ucontext. As a result, the * 'regs' structure cannot be used portably by applications, and should * only be used by the kernel implementation. * * The inclusion of the SPARC V7 version of privregs.h allows for some * limited source compatibility with 32-bit applications who expect to use * 'struct regs' to match the content of a 32-bit core file, or a ucontext_t. * * Note that the ucontext_t actually describes the general registers in * terms of the gregset_t data type, as described in mcontex.h. Note also * that the core file content is defined by core(5) in terms of data types * defined by procfs -- see proc(5). */ #if !defined(__sparcv9) #if !defined(_KERNEL) && !defined(_XPG4_2) || defined(__EXTENSIONS__) #include <v7/sys/privregs.h> #endif /* !_KERNEL && !_XPG4_2 || __EXTENSIONS__ */ #endif /* __sparcv9 */ #ifdef __cplusplus } #endif #endif /* _SYS_REGSET_H */
