4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #ifndef _FASTTRAP_ISA_H
28 #define _FASTTRAP_ISA_H
30 #pragma ident "%Z%%M% %I% %E% SMI"
32 #include <sys/types.h>
39 * This is our reserved trap instruction: ta 0x38
41 #define FASTTRAP_INSTR 0x91d02038
43 #define FASTTRAP_SUNWDTRACE_SIZE 128
45 typedef uint32_t fasttrap_instr_t;
47 typedef struct fasttrap_machtp {
48 fasttrap_instr_t ftmt_instr; /* original instruction */
49 uintptr_t ftmt_dest; /* destination of DCTI */
50 uint8_t ftmt_type; /* emulation type */
51 uint8_t ftmt_flags; /* emulation flags */
52 uint8_t ftmt_cc; /* which cc to look at */
53 uint8_t ftmt_code; /* branch condition */
56 #define ftt_instr ftt_mtp.ftmt_instr
57 #define ftt_dest ftt_mtp.ftmt_dest
58 #define ftt_type ftt_mtp.ftmt_type
59 #define ftt_flags ftt_mtp.ftmt_flags
60 #define ftt_cc ftt_mtp.ftmt_cc
61 #define ftt_code ftt_mtp.ftmt_code
63 #define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */
64 #define FASTTRAP_T_CCR 0x01 /* integer condition code branch */
65 #define FASTTRAP_T_FCC 0x02 /* floating-point branch */
66 #define FASTTRAP_T_REG 0x03 /* register predicated branch */
67 #define FASTTRAP_T_ALWAYS 0x04 /* branch always */
68 #define FASTTRAP_T_CALL 0x05 /* call instruction */
69 #define FASTTRAP_T_JMPL 0x06 /* jmpl instruction */
70 #define FASTTRAP_T_RDPC 0x07 /* rdpc instruction */
71 #define FASTTRAP_T_RETURN 0x08 /* return instruction */
74 * For performance rather than correctness.
76 #define FASTTRAP_T_SAVE 0x10 /* save instruction (func entry only) */
77 #define FASTTRAP_T_RESTORE 0x11 /* restore instruction */
78 #define FASTTRAP_T_OR 0x12 /* mov instruction */
79 #define FASTTRAP_T_SETHI 0x13 /* sethi instruction (includes nop) */
81 #define FASTTRAP_F_ANNUL 0x01 /* branch is annulled */
82 #define FASTTRAP_F_RETMAYBE 0x02 /* not definitely a return site */
84 #define FASTTRAP_AFRAMES 3
85 #define FASTTRAP_RETURN_AFRAMES 4
86 #define FASTTRAP_ENTRY_AFRAMES 3
87 #define FASTTRAP_OFFSET_AFRAMES 3
94 #endif /* _FASTTRAP_ISA_H */