| | 1 | /* |
| | 2 | * CDDL HEADER START |
| | 3 | * |
| | 4 | * The contents of this file are subject to the terms of the |
| | 5 | * Common Development and Distribution License (the "License"). |
| | 6 | * You may not use this file except in compliance with the License. |
| | 7 | * |
| | 8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| | 9 | * or http://www.opensolaris.org/os/licensing. |
| | 10 | * See the License for the specific language governing permissions |
| | 11 | * and limitations under the License. |
| | 12 | * |
| | 13 | * When distributing Covered Code, include this CDDL HEADER in each |
| | 14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| | 15 | * If applicable, add the following below this CDDL HEADER, with the |
| | 16 | * fields enclosed by brackets "[]" replaced with your own identifying |
| | 17 | * information: Portions Copyright [yyyy] [name of copyright owner] |
| | 18 | * |
| | 19 | * CDDL HEADER END |
| | 20 | */ |
| | 21 | /* |
| | 22 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| | 23 | * Use is subject to license terms. |
| | 24 | */ |
| | 25 | |
| | 26 | #ifndef _FASTTRAP_ISA_H |
| | 27 | #define _FASTTRAP_ISA_H |
| | 28 | |
| | 29 | /* |
| | 30 | * #pragma ident "@(#)fasttrap_isa.h 1.6 06/09/19 SMI" |
| | 31 | */ |
| | 32 | |
| | 33 | #include <sys/types.h> |
| | 34 | #include <stdint.h> |
| | 35 | |
| | 36 | #ifdef __cplusplus |
| | 37 | extern "C" { |
| | 38 | #endif |
| | 39 | |
| | 40 | #define FASTTRAP_MAX_INSTR_SIZE 15 |
| | 41 | |
| | 42 | #define FASTTRAP_INSTR 0xcc |
| | 43 | |
| | 44 | #define FASTTRAP_SUNWDTRACE_SIZE 64 |
| | 45 | |
| | 46 | typedef uint8_t fasttrap_instr_t; |
| | 47 | |
| | 48 | typedef struct fasttrap_machtp { |
| | 49 | uint8_t ftmt_instr[FASTTRAP_MAX_INSTR_SIZE]; /* orig. instr. */ |
| | 50 | uint8_t ftmt_size; /* instruction size */ |
| | 51 | #if __sol64 || defined(__APPLE__) |
| | 52 | uint8_t ftmt_ripmode; /* %rip-relative handling mode */ |
| | 53 | uint8_t ftmt_modrm; /* saved modrm byte */ |
| | 54 | #endif |
| | 55 | uint8_t ftmt_type; /* emulation type */ |
| | 56 | uint8_t ftmt_code; /* branch condition */ |
| | 57 | uint8_t ftmt_base; /* branch base */ |
| | 58 | uint8_t ftmt_index; /* branch index */ |
| | 59 | uint8_t ftmt_scale; /* branch scale */ |
| | 60 | uint8_t ftmt_segment; /* segment for memory accesses */ |
| | 61 | user_addr_t ftmt_dest; /* destination of control flow */ |
| | 62 | } fasttrap_machtp_t; |
| | 63 | |
| | 64 | #define ftt_instr ftt_mtp.ftmt_instr |
| | 65 | #if __sol64 || defined(__APPLE__) |
| | 66 | #define ftt_ripmode ftt_mtp.ftmt_ripmode |
| | 67 | #define ftt_modrm ftt_mtp.ftmt_modrm |
| | 68 | #endif |
| | 69 | #define ftt_size ftt_mtp.ftmt_size |
| | 70 | #define ftt_type ftt_mtp.ftmt_type |
| | 71 | #define ftt_code ftt_mtp.ftmt_code |
| | 72 | #define ftt_base ftt_mtp.ftmt_base |
| | 73 | #define ftt_index ftt_mtp.ftmt_index |
| | 74 | #define ftt_scale ftt_mtp.ftmt_scale |
| | 75 | #define ftt_segment ftt_mtp.ftmt_segment |
| | 76 | #define ftt_dest ftt_mtp.ftmt_dest |
| | 77 | |
| | 78 | #define FASTTRAP_T_COMMON 0x00 /* common case -- no emulation */ |
| | 79 | #define FASTTRAP_T_JCC 0x01 /* near and far conditional jumps */ |
| | 80 | #define FASTTRAP_T_LOOP 0x02 /* loop instructions */ |
| | 81 | #define FASTTRAP_T_JCXZ 0x03 /* jump if %ecx/%rcx is zero */ |
| | 82 | #define FASTTRAP_T_JMP 0x04 /* relative jump */ |
| | 83 | #define FASTTRAP_T_CALL 0x05 /* near call (and link) */ |
| | 84 | #define FASTTRAP_T_RET 0x06 /* ret */ |
| | 85 | #define FASTTRAP_T_RET16 0x07 /* ret <imm16> */ |
| | 86 | |
| | 87 | /* |
| | 88 | * For performance rather than correctness. |
| | 89 | */ |
| | 90 | #define FASTTRAP_T_PUSHL_EBP 0x10 /* pushl %ebp (for function entry) */ |
| | 91 | #define FASTTRAP_T_NOP 0x11 /* nop */ |
| | 92 | |
| | 93 | #define FASTTRAP_RIP_1 0x1 |
| | 94 | #define FASTTRAP_RIP_2 0x2 |
| | 95 | #define FASTTRAP_RIP_X 0x4 |
| | 96 | |
| | 97 | /* |
| | 98 | * Segment values. |
| | 99 | */ |
| | 100 | #define FASTTRAP_SEG_NONE 0 |
| | 101 | #define FASTTRAP_SEG_CS 1 |
| | 102 | #define FASTTRAP_SEG_DS 2 |
| | 103 | #define FASTTRAP_SEG_ES 3 |
| | 104 | #define FASTTRAP_SEG_FS 4 |
| | 105 | #define FASTTRAP_SEG_GS 5 |
| | 106 | #define FASTTRAP_SEG_SS 6 |
| | 107 | |
| | 108 | #define FASTTRAP_RETURN_AFRAMES 6 |
| | 109 | #define FASTTRAP_ENTRY_AFRAMES 5 |
| | 110 | #define FASTTRAP_OFFSET_AFRAMES 5 |
| | 111 | |
| | 112 | #ifdef __cplusplus |
| | 113 | } |
| | 114 | #endif |
| | 115 | |
| | 116 | #endif /* _FASTTRAP_ISA_H */ |
projects / apple / xnu.git / blame_incremental