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/* 30 * #pragma ident "@(#)fasttrap_isa.h 1.6 06/09/19 SMI" 31 */ 32 33#include <sys/types.h> 34#include <stdint.h> 35 36#ifdef __cplusplus 37extern "C" { 38#endif 39 40#define FASTTRAP_MAX_INSTR_SIZE 15 41 42#define FASTTRAP_INSTR 0xcc 43 44#define FASTTRAP_SUNWDTRACE_SIZE 64 45 46typedef uint8_t fasttrap_instr_t; 47 48typedef struct fasttrap_machtp { 49 uint8_t ftmt_instr[FASTTRAP_MAX_INSTR_SIZE]; /* orig. instr. */ 50 uint8_t ftmt_size; /* instruction size */ 51 uint8_t ftmt_ripmode; /* %rip-relative handling mode */ 52 uint8_t ftmt_modrm; /* saved modrm byte */ 53 uint8_t ftmt_type; /* emulation type */ 54 uint8_t ftmt_code; /* branch condition */ 55 uint8_t ftmt_base; /* branch base */ 56 uint8_t ftmt_index; /* branch index */ 57 uint8_t ftmt_scale; /* branch scale */ 58 uint8_t ftmt_segment; /* segment for memory accesses */ 59 user_addr_t ftmt_dest; /* destination of control flow */ 60} fasttrap_machtp_t; 61 62#define ftt_instr ftt_mtp.ftmt_instr 63#define ftt_ripmode ftt_mtp.ftmt_ripmode 64#define ftt_modrm ftt_mtp.ftmt_modrm 65#define ftt_size ftt_mtp.ftmt_size 66#define ftt_type ftt_mtp.ftmt_type 67#define ftt_code ftt_mtp.ftmt_code 68#define ftt_base ftt_mtp.ftmt_base 69#define ftt_index ftt_mtp.ftmt_index 70#define ftt_scale ftt_mtp.ftmt_scale 71#define ftt_segment ftt_mtp.ftmt_segment 72#define ftt_dest ftt_mtp.ftmt_dest 73 74#define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ 75#define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */ 76#define FASTTRAP_T_LOOP 0x02 /* loop instructions */ 77#define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */ 78#define FASTTRAP_T_JMP 0x04 /* relative jump */ 79#define FASTTRAP_T_CALL 0x05 /* near call (and link) */ 80#define FASTTRAP_T_RET 0x06 /* ret */ 81#define FASTTRAP_T_RET16 0x07 /* ret <imm16> */ 82 83/* 84 * For performance rather than correctness. 85 */ 86#define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */ 87#define FASTTRAP_T_NOP 0x11 /* nop */ 88 89#define FASTTRAP_RIP_1 0x1 90#define FASTTRAP_RIP_2 0x2 91#define FASTTRAP_RIP_X 0x4 92 93/* 94 * Segment values. 95 */ 96#define FASTTRAP_SEG_NONE 0 97#define FASTTRAP_SEG_CS 1 98#define FASTTRAP_SEG_DS 2 99#define FASTTRAP_SEG_ES 3 100#define FASTTRAP_SEG_FS 4 101#define FASTTRAP_SEG_GS 5 102#define FASTTRAP_SEG_SS 6 103 104#define FASTTRAP_RETURN_AFRAMES 6 105#define FASTTRAP_ENTRY_AFRAMES 5 106#define FASTTRAP_OFFSET_AFRAMES 5 107 108#ifdef __cplusplus 109} 110#endif 111 112#endif /* _FASTTRAP_ISA_H */ 113