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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26#ifndef _FASTTRAP_ISA_H 27#define _FASTTRAP_ISA_H 28 29#pragma ident "%Z%%M% %I% %E% SMI" 30 31#include <sys/types.h> 32 33#ifdef __cplusplus 34extern "C" { 35#endif 36 37#define FASTTRAP_MAX_INSTR_SIZE 15 38 39#define FASTTRAP_INSTR 0xcc 40 41#define FASTTRAP_SUNWDTRACE_SIZE 64 42 43typedef uint8_t fasttrap_instr_t; 44 45typedef struct fasttrap_machtp { 46 uint8_t ftmt_instr[FASTTRAP_MAX_INSTR_SIZE]; /* orig. instr. */ 47 uint8_t ftmt_size; /* instruction size */ 48#ifdef __amd64 49 uint8_t ftmt_ripmode; /* %rip-relative handling mode */ 50 uint8_t ftmt_modrm; /* saved modrm byte */ 51#endif 52 uint8_t ftmt_type; /* emulation type */ 53 uint8_t ftmt_code; /* branch condition */ 54 uint8_t ftmt_base; /* branch base */ 55 uint8_t ftmt_index; /* branch index */ 56 uint8_t ftmt_scale; /* branch scale */ 57 uint8_t ftmt_segment; /* segment for memory accesses */ 58 uintptr_t ftmt_dest; /* destination of control flow */ 59} fasttrap_machtp_t; 60 61#define ftt_instr ftt_mtp.ftmt_instr 62#ifdef __amd64 63#define ftt_ripmode ftt_mtp.ftmt_ripmode 64#define ftt_modrm ftt_mtp.ftmt_modrm 65#endif 66#define ftt_size ftt_mtp.ftmt_size 67#define ftt_type ftt_mtp.ftmt_type 68#define ftt_code ftt_mtp.ftmt_code 69#define ftt_base ftt_mtp.ftmt_base 70#define ftt_index ftt_mtp.ftmt_index 71#define ftt_scale ftt_mtp.ftmt_scale 72#define ftt_segment ftt_mtp.ftmt_segment 73#define ftt_dest ftt_mtp.ftmt_dest 74 75#define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ 76#define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */ 77#define FASTTRAP_T_LOOP 0x02 /* loop instructions */ 78#define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */ 79#define FASTTRAP_T_JMP 0x04 /* relative jump */ 80#define FASTTRAP_T_CALL 0x05 /* near call (and link) */ 81#define FASTTRAP_T_RET 0x06 /* ret */ 82#define FASTTRAP_T_RET16 0x07 /* ret <imm16> */ 83 84/* 85 * For performance rather than correctness. 86 */ 87#define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */ 88#define FASTTRAP_T_NOP 0x11 /* nop */ 89 90#define FASTTRAP_RIP_1 0x1 91#define FASTTRAP_RIP_2 0x2 92#define FASTTRAP_RIP_X 0x4 93 94/* 95 * Segment values. 96 */ 97#define FASTTRAP_SEG_NONE 0 98#define FASTTRAP_SEG_CS 1 99#define FASTTRAP_SEG_DS 2 100#define FASTTRAP_SEG_ES 3 101#define FASTTRAP_SEG_FS 4 102#define FASTTRAP_SEG_GS 5 103#define FASTTRAP_SEG_SS 6 104 105#define FASTTRAP_AFRAMES 3 106#define FASTTRAP_RETURN_AFRAMES 4 107#define FASTTRAP_ENTRY_AFRAMES 3 108#define FASTTRAP_OFFSET_AFRAMES 3 109 110#ifdef __cplusplus 111} 112#endif 113 114#endif /* _FASTTRAP_ISA_H */ 115