darling-xnu/bsd/arm/fasttrap_isa.h
2023-05-16 21:41:14 -07:00

235 lines
9.5 KiB
C

/*
* Copyright (c) 2007 Apple Inc. All rights reserved.
*/
/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _FASTTRAP_ISA_H
#define _FASTTRAP_ISA_H
#include <sys/types.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef union {
uint32_t instr32;
struct {
uint16_t instr1;
uint16_t instr2;
} instr16;
} fasttrap_instr_t;
typedef struct fasttrap_machtp {
fasttrap_instr_t ftmt_instr; /* original instruction */
uint8_t ftmt_fntype; /* One of the FASTTRAP_FN* constants defined below */
/* Once the tracepoint is initialized, fntype will be FN_DONE_INIT and thumb will be 0 for ARM, 1 for Thumb */
uint8_t ftmt_thumb;
uint8_t ftmt_type;
uint8_t ftmt_installed:1;
uint8_t ftmt_retired:1;
} fasttrap_machtp_t;
#define ftt_instr ftt_mtp.ftmt_instr.instr32
#define ftt_instr1 ftt_mtp.ftmt_instr.instr16.instr1
#define ftt_instr2 ftt_mtp.ftmt_instr.instr16.instr2
#define ftt_fntype ftt_mtp.ftmt_fntype
#define ftt_thumb ftt_mtp.ftmt_thumb
#define ftt_type ftt_mtp.ftmt_type
#define ftt_installed ftt_mtp.ftmt_installed
#define ftt_retired ftt_mtp.ftmt_retired
#define FASTTRAP_T_INV 1
#define FASTTRAP_T_COMMON 2
#define FASTTRAP_T_BLX 3
#define FASTTRAP_T_B_COND 4
#define FASTTRAP_T_B_UNCOND 5
#define FASTTRAP_T_BX_REG 6
#define FASTTRAP_T_PUSH_LR 7
#define FASTTRAP_T_POP_PC 8
#define FASTTRAP_T_STM_LR 9
#define FASTTRAP_T_LDM_PC 10
#define FASTTRAP_T_CPY_PC 11
#define FASTTRAP_T_MOV_PC_REG 12
#define FASTTRAP_T_LDR_PC_IMMED 13
#define FASTTRAP_T_VLDR_PC_IMMED 14
#define FASTTRAP_T_CB_N_Z 15
#if defined(__arm64__)
#define FASTTRAP_T_ARM64_STANDARD_FUNCTION_ENTRY 16 /* stp fp, lr, [sp, #-16]! */
#define FASTTRAP_T_ARM64_LDR_S_PC_REL 17
#define FASTTRAP_T_ARM64_LDR_W_PC_REL 18
#define FASTTRAP_T_ARM64_LDR_D_PC_REL 19
#define FASTTRAP_T_ARM64_LDR_X_PC_REL 20
#define FASTTRAP_T_ARM64_LDR_Q_PC_REL 21
#define FASTTRAP_T_ARM64_LDRSW_PC_REL 22
#define FASTTRAP_T_ARM64_B_COND 23
#define FASTTRAP_T_ARM64_CBNZ_W 24
#define FASTTRAP_T_ARM64_CBNZ_X 25
#define FASTTRAP_T_ARM64_CBZ_W 26
#define FASTTRAP_T_ARM64_CBZ_X 27
#define FASTTRAP_T_ARM64_TBNZ 28
#define FASTTRAP_T_ARM64_TBZ 29
#define FASTTRAP_T_ARM64_B 30
#define FASTTRAP_T_ARM64_BL 31
#define FASTTRAP_T_ARM64_BLR 32
#define FASTTRAP_T_ARM64_BR 33
#define FASTTRAP_T_ARM64_RET 34
#define FASTTRAP_T_ARM64_ADRP 35
#define FASTTRAP_T_ARM64_ADR 36
#define FASTTRAP_T_ARM64_PRFM 37
#define FASTTRAP_T_ARM64_EXCLUSIVE_MEM 38
#define FASTTRAP_T_ARM64_RETAB 39
#endif
#if defined (__arm__)
#define FASTTRAP_ARM_INSTR 0xe7ffdefc
#define FASTTRAP_THUMB_INSTR 0xdefc
#define FASTTRAP_ARM_RET_INSTR 0xe7ffdefb
#define FASTTRAP_THUMB_RET_INSTR 0xdefb
#elif defined (__arm64__)
#define FASTTRAP_ARM32_INSTR 0xe7ffdefc
#define FASTTRAP_THUMB32_INSTR 0xdefc
#define FASTTRAP_ARM64_INSTR 0xe7eeee7e
#define FASTTRAP_ARM32_RET_INSTR 0xe7ffdefb
#define FASTTRAP_THUMB32_RET_INSTR 0xdefb
#define FASTTRAP_ARM64_RET_INSTR 0xe7eeee7d
#endif
#define FASTTRAP_FN_DONE_INIT 255
#define FASTTRAP_FN_UNKNOWN 0
#define FASTTRAP_FN_ARM 1
#define FASTTRAP_FN_THUMB 2
#define FASTTRAP_FN_USDT 3
#define FASTTRAP_FN_ARM64 4
#define FASTTRAP_FN_ARM64_32 5
#define ARM_RM(x) ((x) & 0xF)
#define ARM_RS(x) (((x) >> 8) & 0xF)
#define ARM_RD(x) (((x) >> 12) & 0xF)
#define ARM_RN(x) (((x) >> 16) & 0xF)
#define ARM_CONDCODE(x) ((x) >> 28)
#define THUMB16_HRM(x) (((x) >> 3) & 0xF)
#define THUMB16_HRD(x) (((x) & 0x7) | ((((x) >> 4) & 0x8)))
#define THUMB32_RM(x, y) ((y) & 0xF)
#define THUMB32_RD(x, y) (((y) >> 8) & 0xF)
#define THUMB32_RT(x, y) (((y) >> 12) & 0xF)
#define THUMB32_RN(x, y) ((x) & 0xF)
#define REG_SP 13
#define REG_LR 14
#define REG_PC 15
#define FASTTRAP_RETURN_AFRAMES 6
#define FASTTRAP_ENTRY_AFRAMES 5
#define FASTTRAP_OFFSET_AFRAMES 5
#if defined(__arm64__)
#define FASTTRAP_ARM64_OP_VALUE_FUNC_ENTRY 0xa9bf7bfd /* stp fp, lr, [sp, #-16]! */
#define FASTTRAP_ARM64_OP_MASK_LDR_S_PC_REL 0xff000000 /* Bits to check for ldr St, label */
#define FASTTRAP_ARM64_OP_VALUE_LDR_S_PC_REL 0x1c000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_LDR_W_PC_REL 0xff000000 /* Bits to check for ldr Wt, label */
#define FASTTRAP_ARM64_OP_VALUE_LDR_W_PC_REL 0x18000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_LDR_D_PC_REL 0xff000000 /* Bits to check for ldr Dt, label */
#define FASTTRAP_ARM64_OP_VALUE_LDR_D_PC_REL 0x5c000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_LDR_X_PC_REL 0xff000000 /* Bits to check for ldr Xt, label */
#define FASTTRAP_ARM64_OP_VALUE_LDR_X_PC_REL 0x58000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_LDR_Q_PC_REL 0xff000000 /* Bits to check for ldr Qt, label */
#define FASTTRAP_ARM64_OP_VALUE_LDR_Q_PC_REL 0x9c000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_LRDSW_PC_REL 0xff000000 /* Bits to check for ldrsw <reg>, label */
#define FASTTRAP_ARM64_OP_VALUE_LRDSW_PC_REL 0x98000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_B_COND_PC_REL 0xff000010 /* Bits to check for b.cond label */
#define FASTTRAP_ARM64_OP_VALUE_B_COND_PC_REL 0x54000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_CBNZ_W_PC_REL 0xff000000 /* Bits to check for cbnz Wt, _label */
#define FASTTRAP_ARM64_OP_VALUE_CBNZ_W_PC_REL 0x35000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_CBNZ_X_PC_REL 0xff000000 /* Bits to check for cbnz Xt, _label */
#define FASTTRAP_ARM64_OP_VALUE_CBNZ_X_PC_REL 0xb5000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_CBZ_W_PC_REL 0xff000000 /* Bits to check for cbz Wt, _label */
#define FASTTRAP_ARM64_OP_VALUE_CBZ_W_PC_REL 0x34000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_CBZ_X_PC_REL 0xff000000 /* Bits to check for cbz Xt, _label */
#define FASTTRAP_ARM64_OP_VALUE_CBZ_X_PC_REL 0xb4000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_TBNZ_PC_REL 0x7f000000 /* Bits to check for tbnz Xt, _label */
#define FASTTRAP_ARM64_OP_VALUE_TBNZ_PC_REL 0x37000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_TBZ_PC_REL 0x7f000000 /* Bits to check for tbz Xt, _label */
#define FASTTRAP_ARM64_OP_VALUE_TBZ_PC_REL 0x36000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_B_PC_REL 0xfc000000 /* Bits to check for b _label */
#define FASTTRAP_ARM64_OP_VALUE_B_PC_REL 0x14000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_BL_PC_REL 0xfc000000 /* Bits to check for bl _label */
#define FASTTRAP_ARM64_OP_VALUE_BL_PC_REL 0x94000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_BLR 0xfffffe1f /* Bits to check for blr Xt */
#define FASTTRAP_ARM64_OP_VALUE_BLR 0xd63f0000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_BR 0xfffffe1f /* Bits to check for br Xt */
#define FASTTRAP_ARM64_OP_VALUE_BR 0xd61f0000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_RET 0xfffffc1f /* Bits to check for ret Rt */
#define FASTTRAP_ARM64_OP_VALUE_RET 0xd65f0000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_ADRP 0x9f000000 /* Bits to check for adrp Xt, label*/
#define FASTTRAP_ARM64_OP_VALUE_ADRP 0x90000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_ADR 0x9f000000 /* Bits to check for adr Xt, label*/
#define FASTTRAP_ARM64_OP_VALUE_ADR 0x10000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_PRFM 0xff000000 /* Bits to check for adr Xt, label*/
#define FASTTRAP_ARM64_OP_VALUE_PRFM 0xd8000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_EXCL_MEM 0x3f000000 /* Bits to check for exclusive memory operation */
#define FASTTRAP_ARM64_OP_VALUE_EXCL_MEM 0x08000000 /* Value to find */
#define FASTTRAP_ARM64_OP_MASK_RETAB 0xfffffc1f /* Bits to check for retab Rt */
#define FASTTRAP_ARM64_OP_VALUE_RETAB 0xd65f0c1f /* Value to find */
#endif /* defined(__arm64__) */
#ifdef __cplusplus
}
#endif
#endif /* _FASTTRAP_ISA_H */