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#if __sol64 || defined(__APPLE__) 52 uint8_t ftmt_ripmode; /* %rip-relative handling mode */ 53 uint8_t ftmt_modrm; /* saved modrm byte */ 54#endif 55 uint8_t ftmt_type; /* emulation type */ 56 uint8_t ftmt_code; /* branch condition */ 57 uint8_t ftmt_base; /* branch base */ 58 uint8_t ftmt_index; /* branch index */ 59 uint8_t ftmt_scale; /* branch scale */ 60 uint8_t ftmt_segment; /* segment for memory accesses */ 61 user_addr_t ftmt_dest; /* destination of control flow */ 62} fasttrap_machtp_t; 63 64#define ftt_instr ftt_mtp.ftmt_instr 65#if __sol64 || defined(__APPLE__) 66#define ftt_ripmode ftt_mtp.ftmt_ripmode 67#define ftt_modrm ftt_mtp.ftmt_modrm 68#endif 69#define ftt_size ftt_mtp.ftmt_size 70#define ftt_type ftt_mtp.ftmt_type 71#define ftt_code ftt_mtp.ftmt_code 72#define ftt_base ftt_mtp.ftmt_base 73#define ftt_index ftt_mtp.ftmt_index 74#define ftt_scale ftt_mtp.ftmt_scale 75#define ftt_segment ftt_mtp.ftmt_segment 76#define ftt_dest ftt_mtp.ftmt_dest 77 78#define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ 79#define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */ 80#define FASTTRAP_T_LOOP 0x02 /* loop instructions */ 81#define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */ 82#define FASTTRAP_T_JMP 0x04 /* relative jump */ 83#define FASTTRAP_T_CALL 0x05 /* near call (and link) */ 84#define FASTTRAP_T_RET 0x06 /* ret */ 85#define FASTTRAP_T_RET16 0x07 /* ret <imm16> */ 86 87/* 88 * For performance rather than correctness. 89 */ 90#define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */ 91#define FASTTRAP_T_NOP 0x11 /* nop */ 92 93#define FASTTRAP_RIP_1 0x1 94#define FASTTRAP_RIP_2 0x2 95#define FASTTRAP_RIP_X 0x4 96 97/* 98 * Segment values. 99 */ 100#define FASTTRAP_SEG_NONE 0 101#define FASTTRAP_SEG_CS 1 102#define FASTTRAP_SEG_DS 2 103#define FASTTRAP_SEG_ES 3 104#define FASTTRAP_SEG_FS 4 105#define FASTTRAP_SEG_GS 5 106#define FASTTRAP_SEG_SS 6 107 108#define FASTTRAP_RETURN_AFRAMES 6 109#define FASTTRAP_ENTRY_AFRAMES 5 110#define FASTTRAP_OFFSET_AFRAMES 5 111 112#ifdef __cplusplus 113} 114#endif 115 116#endif /* _FASTTRAP_ISA_H */ 117