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author | jb <jb@FreeBSD.org> | 2008-05-22 07:04:10 +0000 |
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committer | jb <jb@FreeBSD.org> | 2008-05-22 07:04:10 +0000 |
commit | d3be9e792d84404d822007f5407640782d9ae216 (patch) | |
tree | dd401c67e36f10307011e6c94502555b070e8ae7 /sys/cddl/contrib/opensolaris/uts/sparc | |
parent | d9b7f78c7387e0f07c78d97a3e0e1691a2b0e78c (diff) | |
download | FreeBSD-src-d3be9e792d84404d822007f5407640782d9ae216.zip FreeBSD-src-d3be9e792d84404d822007f5407640782d9ae216.tar.gz |
Vendor import of the src/sys OpenSolaris bits for DTrace.
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/sparc')
-rw-r--r-- | sys/cddl/contrib/opensolaris/uts/sparc/sys/fasttrap_isa.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/sparc/sys/fasttrap_isa.h b/sys/cddl/contrib/opensolaris/uts/sparc/sys/fasttrap_isa.h new file mode 100644 index 0000000..10361cbe --- /dev/null +++ b/sys/cddl/contrib/opensolaris/uts/sparc/sys/fasttrap_isa.h @@ -0,0 +1,94 @@ +/* + * 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 */ |