/* * 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) 1990, 1991 UNIX System Laboratories, Inc. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ /* All Rights Reserved */ /* * Copyright 2010 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * * Copyright 2018 Joyent, Inc. */ #ifndef _SYS_TRAP_H #define _SYS_TRAP_H #ifdef __cplusplus extern "C" { #endif /* * Trap type values */ #define T_ZERODIV 0x0 /* #de divide by 0 error */ #define T_SGLSTP 0x1 /* #db single step */ #define T_NMIFLT 0x2 /* NMI */ #define T_BPTFLT 0x3 /* #bp breakpoint fault, INT3 insn */ #define T_OVFLW 0x4 /* #of INTO overflow fault */ #define T_BOUNDFLT 0x5 /* #br BOUND insn fault */ #define T_ILLINST 0x6 /* #ud invalid opcode fault */ #define T_NOEXTFLT 0x7 /* #nm device not available: x87 */ #define T_DBLFLT 0x8 /* #df double fault */ #define T_EXTOVRFLT 0x9 /* [not generated: 386 only] */ #define T_TSSFLT 0xa /* #ts invalid TSS fault */ #define T_SEGFLT 0xb /* #np segment not present fault */ #define T_STKFLT 0xc /* #ss stack fault */ #define T_GPFLT 0xd /* #gp general protection fault */ #define T_PGFLT 0xe /* #pf page fault */ #define T_RESVTRAP 0xf /* reserved */ #define T_EXTERRFLT 0x10 /* #mf x87 FPU error fault */ #define T_ALIGNMENT 0x11 /* #ac alignment check error */ #define T_MCE 0x12 /* #mc machine check exception */ #define T_SIMDFPE 0x13 /* #xm SSE/SSE exception */ #define T_DBGENTR 0x14 /* debugger entry */ #define T_INVALTRAP 0x1e /* invalid */ #define T_ENDPERR 0x21 /* emulated extension error flt */ #define T_ENOEXTFLT 0x20 /* emulated ext not present */ #define T_FASTTRAP 0xd2 /* fast system call */ #define T_SYSCALLINT 0x91 /* general system call */ #define T_DTRACE_RET 0x92 /* DTrace pid return */ #define T_INT80 0x80 /* int80 handler for linux emulation */ #define T_SOFTINT 0x50fd /* pseudo softint trap type */ /* * Pseudo traps. */ #define T_INTERRUPT 0x100 #define T_FAULT 0x200 #define T_AST 0x400 #define T_SYSCALL 0x180 /* * Values of error code on stack in case of page fault */ #define PF_ERR_MASK 0x01 /* Mask for error bit */ #define PF_ERR_PAGE 0x00 /* page not present */ #define PF_ERR_PROT 0x01 /* protection error */ #define PF_ERR_WRITE 0x02 /* fault caused by write (else read) */ #define PF_ERR_USER 0x04 /* processor was in user mode */ /* (else supervisor) */ #define PF_ERR_EXEC 0x10 /* attempt to execute a No eXec page (AMD) */ /* or kernel tried to execute a user page */ /* (Intel SMEP) */ /* * Definitions for fast system call subfunctions */ #define T_FNULL 0 /* Null trap for testing */ #define T_FGETFP 1 /* Get emulated FP context */ #define T_FSETFP 2 /* Set emulated FP context */ #define T_GETHRTIME 3 /* Get high resolution time */ #define T_GETHRVTIME 4 /* Get high resolution virtual time */ #define T_GETHRESTIME 5 /* Get high resolution time */ #define T_GETLGRP 6 /* Get home lgrpid */ #define T_LASTFAST 6 /* Last valid subfunction */ /* * Offsets for an interrupt/trap frame. */ #define T_FRAME_ERR 0 #define T_FRAME_RIP 8 #define T_FRAME_CS 16 #define T_FRAME_RFLAGS 24 #define T_FRAME_RSP 32 #define T_FRAME_SS 40 #define T_FRAMERET_RIP 0 #define T_FRAMERET_CS 8 #define T_FRAMERET_RFLAGS 16 #define T_FRAMERET_RSP 24 #define T_FRAMERET_SS 32 #ifdef __cplusplus } #endif #endif /* _SYS_TRAP_H */
