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 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FASTTRAP_ISA_H 28 #define _FASTTRAP_ISA_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* 39 * This is our reserved trap instruction: ta 0x38 40 */ 41 #define FASTTRAP_INSTR 0x91d02038 42 43 #define FASTTRAP_SUNWDTRACE_SIZE 128 44 45 typedef uint32_t fasttrap_instr_t; 46 47 typedef struct fasttrap_machtp { 48 fasttrap_instr_t ftmt_instr; /* original instruction */ 49 uintptr_t ftmt_dest; /* destination of DCTI */ 50 uint8_t ftmt_type; /* emulation type */ 51 uint8_t ftmt_flags; /* emulation flags */ 52 uint8_t ftmt_cc; /* which cc to look at */ 53 uint8_t ftmt_code; /* branch condition */ 54 } fasttrap_machtp_t; 55 56 #define ftt_instr ftt_mtp.ftmt_instr 57 #define ftt_dest ftt_mtp.ftmt_dest 58 #define ftt_type ftt_mtp.ftmt_type 59 #define ftt_flags ftt_mtp.ftmt_flags 60 #define ftt_cc ftt_mtp.ftmt_cc 61 #define ftt_code ftt_mtp.ftmt_code 62 63 #define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ 64 #define FASTTRAP_T_CCR 0x01 /* integer condition code branch */ 65 #define FASTTRAP_T_FCC 0x02 /* floating-point branch */ 66 #define FASTTRAP_T_REG 0x03 /* register predicated branch */ 67 #define FASTTRAP_T_ALWAYS 0x04 /* branch always */ 68 #define FASTTRAP_T_CALL 0x05 /* call instruction */ 69 #define FASTTRAP_T_JMPL 0x06 /* jmpl instruction */ 70 #define FASTTRAP_T_RDPC 0x07 /* rdpc instruction */ 71 #define FASTTRAP_T_RETURN 0x08 /* return instruction */ 72 73 /* 74 * For performance rather than correctness. 75 */ 76 #define FASTTRAP_T_SAVE 0x10 /* save instruction (func entry only) */ 77 #define FASTTRAP_T_RESTORE 0x11 /* restore instruction */ 78 #define FASTTRAP_T_OR 0x12 /* mov instruction */ 79 #define FASTTRAP_T_SETHI 0x13 /* sethi instruction (includes nop) */ 80 81 #define FASTTRAP_F_ANNUL 0x01 /* branch is annulled */ 82 #define FASTTRAP_F_RETMAYBE 0x02 /* not definitely a return site */ 83 84 #define FASTTRAP_AFRAMES 3 85 #define FASTTRAP_RETURN_AFRAMES 4 86 #define FASTTRAP_ENTRY_AFRAMES 3 87 #define FASTTRAP_OFFSET_AFRAMES 3 88 89 90 #ifdef __cplusplus 91 } 92 #endif 93 94 #endif /* _FASTTRAP_ISA_H */ 95