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