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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 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
/*
* This is our reserved trap instruction: ta 0x38
*/
#define FASTTRAP_INSTR 0x91d02038
#define FASTTRAP_SUNWDTRACE_SIZE 128
typedef uint32_t fasttrap_instr_t;
typedef struct fasttrap_machtp {
fasttrap_instr_t ftmt_instr; /* original instruction */
uintptr_t ftmt_dest; /* destination of DCTI */
uint8_t ftmt_type; /* emulation type */
uint8_t ftmt_flags; /* emulation flags */
uint8_t ftmt_cc; /* which cc to look at */
uint8_t ftmt_code; /* branch condition */
} fasttrap_machtp_t;
#define ftt_instr ftt_mtp.ftmt_instr
#define ftt_dest ftt_mtp.ftmt_dest
#define ftt_type ftt_mtp.ftmt_type
#define ftt_flags ftt_mtp.ftmt_flags
#define ftt_cc ftt_mtp.ftmt_cc
#define ftt_code ftt_mtp.ftmt_code
#define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */
#define FASTTRAP_T_CCR 0x01 /* integer condition code branch */
#define FASTTRAP_T_FCC 0x02 /* floating-point branch */
#define FASTTRAP_T_REG 0x03 /* register predicated branch */
#define FASTTRAP_T_ALWAYS 0x04 /* branch always */
#define FASTTRAP_T_CALL 0x05 /* call instruction */
#define FASTTRAP_T_JMPL 0x06 /* jmpl instruction */
#define FASTTRAP_T_RDPC 0x07 /* rdpc instruction */
#define FASTTRAP_T_RETURN 0x08 /* return instruction */
/*
* For performance rather than correctness.
*/
#define FASTTRAP_T_SAVE 0x10 /* save instruction (func entry only) */
#define FASTTRAP_T_RESTORE 0x11 /* restore instruction */
#define FASTTRAP_T_OR 0x12 /* mov instruction */
#define FASTTRAP_T_SETHI 0x13 /* sethi instruction (includes nop) */
#define FASTTRAP_F_ANNUL 0x01 /* branch is annulled */
#define FASTTRAP_F_RETMAYBE 0x02 /* not definitely a return site */
#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 */