diff options
Diffstat (limited to 'uts/intel/sys/fasttrap_isa.h')
| -rw-r--r-- | uts/intel/sys/fasttrap_isa.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/uts/intel/sys/fasttrap_isa.h b/uts/intel/sys/fasttrap_isa.h new file mode 100644 index 000000000000..9fee8cdb6be0 --- /dev/null +++ b/uts/intel/sys/fasttrap_isa.h @@ -0,0 +1,114 @@ +/* + * 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 */ |