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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FASTTRAP_ISA_H
#define _FASTTRAP_ISA_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define FASTTRAP_MAX_INSTR_SIZE 15
#define FASTTRAP_INSTR 0xcc
#define FASTTRAP_SUNWDTRACE_SIZE 64
typedef uint8_t fasttrap_instr_t;
typedef struct fasttrap_machtp {
uint8_t ftmt_instr[FASTTRAP_MAX_INSTR_SIZE]; /* orig. instr. */
uint8_t ftmt_size; /* instruction size */
#ifdef __amd64
uint8_t ftmt_ripmode; /* %rip-relative handling mode */
uint8_t ftmt_modrm; /* saved modrm byte */
#endif
uint8_t ftmt_type; /* emulation type */
uint8_t ftmt_code; /* branch condition */
uint8_t ftmt_base; /* branch base */
uint8_t ftmt_index; /* branch index */
uint8_t ftmt_scale; /* branch scale */
uint8_t ftmt_segment; /* segment for memory accesses */
uintptr_t ftmt_dest; /* destination of control flow */
} fasttrap_machtp_t;
#define ftt_instr ftt_mtp.ftmt_instr
#ifdef __amd64
#define ftt_ripmode ftt_mtp.ftmt_ripmode
#define ftt_modrm ftt_mtp.ftmt_modrm
#endif
#define ftt_size ftt_mtp.ftmt_size
#define ftt_type ftt_mtp.ftmt_type
#define ftt_code ftt_mtp.ftmt_code
#define ftt_base ftt_mtp.ftmt_base
#define ftt_index ftt_mtp.ftmt_index
#define ftt_scale ftt_mtp.ftmt_scale
#define ftt_segment ftt_mtp.ftmt_segment
#define ftt_dest ftt_mtp.ftmt_dest
#define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */
#define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */
#define FASTTRAP_T_LOOP 0x02 /* loop instructions */
#define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */
#define FASTTRAP_T_JMP 0x04 /* relative jump */
#define FASTTRAP_T_CALL 0x05 /* near call (and link) */
#define FASTTRAP_T_RET 0x06 /* ret */
#define FASTTRAP_T_RET16 0x07 /* ret <imm16> */
/*
* For performance rather than correctness.
*/
#define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */
#define FASTTRAP_T_NOP 0x11 /* nop */
#define FASTTRAP_RIP_1 0x1
#define FASTTRAP_RIP_2 0x2
#define FASTTRAP_RIP_X 0x4
/*
* Segment values.
*/
#define FASTTRAP_SEG_NONE 0
#define FASTTRAP_SEG_CS 1
#define FASTTRAP_SEG_DS 2
#define FASTTRAP_SEG_ES 3
#define FASTTRAP_SEG_FS 4
#define FASTTRAP_SEG_GS 5
#define FASTTRAP_SEG_SS 6
#define FASTTRAP_AFRAMES 3
#define FASTTRAP_RETURN_AFRAMES 4
#define FASTTRAP_ENTRY_AFRAMES 3
#define FASTTRAP_OFFSET_AFRAMES 3
#ifdef __cplusplus
}
#endif
#endif /* _FASTTRAP_ISA_H */
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