bsd/ppc/fasttrap_isa.h

   1 /*
   2  * Copyright (c) 2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 /*
  30  * CDDL HEADER START
  31  *
  32  * The contents of this file are subject to the terms of the
  33  * Common Development and Distribution License, Version 1.0 only
  34  * (the "License").  You may not use this file except in compliance
  35  * with the License.
  36  *
  37  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  38  * or http://www.opensolaris.org/os/licensing.
  39  * See the License for the specific language governing permissions
  40  * and limitations under the License.
  41  *
  42  * When distributing Covered Code, include this CDDL HEADER in each
  43  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  44  * If applicable, add the following below this CDDL HEADER, with the
  45  * fields enclosed by brackets "[]" replaced with your own identifying
  46  * information: Portions Copyright [yyyy] [name of copyright owner]
  47  *
  48  * CDDL HEADER END
  49  */
  50 /*
  51  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  52  * Use is subject to license terms.
  53  */
  54
  55 #ifndef _FASTTRAP_ISA_H
  56 #define _FASTTRAP_ISA_H
  57
  58 /* #pragma ident        "@(#)fasttrap_isa.h     1.4     05/06/08 SMI" */
  59
  60 #include <sys/types.h>
  61 #if defined(__APPLE__)
  62 #include <stdint.h>
  63 #endif
  64
  65 #ifdef  __cplusplus
  66 extern "C" {
  67 #endif
  68
  69 typedef uint32_t                fasttrap_instr_t;
  70
  71 typedef struct fasttrap_machtp {
  72         fasttrap_instr_t        ftmt_instr;     /* Original instruction */
  73         int32_t                         ftmt_trgt;              /* Offset or absolute address */
  74         uint8_t                         ftmt_type;              /* Emulation function type */
  75 #define ftmtNOP 0
  76 #define ftmtCommon 1
  77 #define ftmtB 2
  78 #define ftmtBC 3
  79 #define ftmtBLR 4
  80 #define ftmtBCTR 5
  81         uint8_t                         ftmt_bo;                /* Branch options */
  82         uint8_t                         ftmt_bi;                /* Condition bit */
  83         uint8_t                         ftmt_flgs;              /* Flags */
  84 #define ftmtAbs 2
  85 #define ftmtLink 1
  86 } fasttrap_machtp_t;
  87
  88 #define ftt_instr       ftt_mtp.ftmt_instr
  89 #define ftt_trgt        ftt_mtp.ftmt_trgt
  90 #define ftt_type        ftt_mtp.ftmt_type
  91 #define ftt_bo          ftt_mtp.ftmt_bo
  92 #define ftt_bi          ftt_mtp.ftmt_bi
  93 #define ftt_flgs        ftt_mtp.ftmt_flgs
  94
  95 #define FASTTRAP_INSTR 0x0FFFDDDD
  96 #define T_DTRACE_RET (0x2E * 4)
  97
  98 #define FASTTRAP_RETURN_AFRAMES         7
  99 #define FASTTRAP_ENTRY_AFRAMES          7
 100 #define FASTTRAP_OFFSET_AFRAMES         6
 101
 102 #ifdef  __cplusplus
 103 }
 104 #endif
 105
 106 #endif  /* _FASTTRAP_ISA_H */