1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _FASTTRAP_ISA_H 28*0Sstevel@tonic-gate #define _FASTTRAP_ISA_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #define FASTTRAP_MAX_INSTR_SIZE 15 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #define FASTTRAP_INSTR 0xcc 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #define FASTTRAP_SUNWDTRACE_SIZE 64 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate typedef uint8_t fasttrap_instr_t; 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate typedef struct fasttrap_machtp { 47*0Sstevel@tonic-gate uint8_t ftmt_instr[FASTTRAP_MAX_INSTR_SIZE]; /* orig. instr. */ 48*0Sstevel@tonic-gate uint8_t ftmt_size; /* instruction size */ 49*0Sstevel@tonic-gate #ifdef __amd64 50*0Sstevel@tonic-gate uint8_t ftmt_ripmode; /* %rip-relative handling mode */ 51*0Sstevel@tonic-gate uint8_t ftmt_modrm; /* saved modrm byte */ 52*0Sstevel@tonic-gate #endif 53*0Sstevel@tonic-gate uint8_t ftmt_type; /* emulation type */ 54*0Sstevel@tonic-gate uint8_t ftmt_code; /* branch condition */ 55*0Sstevel@tonic-gate uint8_t ftmt_base; /* branch base */ 56*0Sstevel@tonic-gate uint8_t ftmt_index; /* branch index */ 57*0Sstevel@tonic-gate uint8_t ftmt_scale; /* branch scale */ 58*0Sstevel@tonic-gate uintptr_t ftmt_dest; /* destination of control flow */ 59*0Sstevel@tonic-gate } fasttrap_machtp_t; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #define ftt_instr ftt_mtp.ftmt_instr 62*0Sstevel@tonic-gate #ifdef __amd64 63*0Sstevel@tonic-gate #define ftt_ripmode ftt_mtp.ftmt_ripmode 64*0Sstevel@tonic-gate #define ftt_modrm ftt_mtp.ftmt_modrm 65*0Sstevel@tonic-gate #endif 66*0Sstevel@tonic-gate #define ftt_size ftt_mtp.ftmt_size 67*0Sstevel@tonic-gate #define ftt_type ftt_mtp.ftmt_type 68*0Sstevel@tonic-gate #define ftt_code ftt_mtp.ftmt_code 69*0Sstevel@tonic-gate #define ftt_base ftt_mtp.ftmt_base 70*0Sstevel@tonic-gate #define ftt_index ftt_mtp.ftmt_index 71*0Sstevel@tonic-gate #define ftt_scale ftt_mtp.ftmt_scale 72*0Sstevel@tonic-gate #define ftt_dest ftt_mtp.ftmt_dest 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ 75*0Sstevel@tonic-gate #define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */ 76*0Sstevel@tonic-gate #define FASTTRAP_T_LOOP 0x02 /* loop instructions */ 77*0Sstevel@tonic-gate #define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */ 78*0Sstevel@tonic-gate #define FASTTRAP_T_JMP 0x04 /* relative jump */ 79*0Sstevel@tonic-gate #define FASTTRAP_T_CALL 0x05 /* near call (and link) */ 80*0Sstevel@tonic-gate #define FASTTRAP_T_RET 0x06 /* ret */ 81*0Sstevel@tonic-gate #define FASTTRAP_T_RET16 0x07 /* ret <imm16> */ 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate /* 84*0Sstevel@tonic-gate * For performance rather than correctness. 85*0Sstevel@tonic-gate */ 86*0Sstevel@tonic-gate #define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */ 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate #define FASTTRAP_RIP_1 0x1 89*0Sstevel@tonic-gate #define FASTTRAP_RIP_2 0x2 90*0Sstevel@tonic-gate #define FASTTRAP_RIP_X 0x4 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate #define FASTTRAP_AFRAMES 3 93*0Sstevel@tonic-gate #define FASTTRAP_RETURN_AFRAMES 4 94*0Sstevel@tonic-gate #define FASTTRAP_ENTRY_AFRAMES 3 95*0Sstevel@tonic-gate #define FASTTRAP_OFFSET_AFRAMES 3 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate #ifdef __cplusplus 98*0Sstevel@tonic-gate } 99*0Sstevel@tonic-gate #endif 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate #endif /* _FASTTRAP_ISA_H */ 102