db_machdep.h revision 1.1.4.2
1 1.1.4.2 tls /* $NetBSD: db_machdep.h,v 1.1.4.2 2014/08/20 00:02:39 tls Exp $ */ 2 1.1.4.2 tls 3 1.1.4.2 tls /*- 4 1.1.4.2 tls * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1.4.2 tls * All rights reserved. 6 1.1.4.2 tls * 7 1.1.4.2 tls * This code is derived from software contributed to The NetBSD Foundation 8 1.1.4.2 tls * by Matt Thomas of 3am Software Foundry. 9 1.1.4.2 tls * 10 1.1.4.2 tls * Redistribution and use in source and binary forms, with or without 11 1.1.4.2 tls * modification, are permitted provided that the following conditions 12 1.1.4.2 tls * are met: 13 1.1.4.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.1.4.2 tls * notice, this list of conditions and the following disclaimer. 15 1.1.4.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.4.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.1.4.2 tls * documentation and/or other materials provided with the distribution. 18 1.1.4.2 tls * 19 1.1.4.2 tls * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.4.2 tls * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.4.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.4.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.4.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.4.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.4.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.4.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.4.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.4.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.4.2 tls * POSSIBILITY OF SUCH DAMAGE. 30 1.1.4.2 tls */ 31 1.1.4.2 tls 32 1.1.4.2 tls #ifndef _AARCH64_DB_MACHDEP_H_ 33 1.1.4.2 tls #define _AARCH64_DB_MACHDEP_H_ 34 1.1.4.2 tls 35 1.1.4.2 tls #ifdef __aarch64__ 36 1.1.4.2 tls 37 1.1.4.2 tls #include <aarch64/frame.h> 38 1.1.4.2 tls 39 1.1.4.2 tls typedef long long int db_expr_t; 40 1.1.4.2 tls #define DDB_EXPR_FMT "llx" 41 1.1.4.2 tls typedef uintptr_t db_addr_t; 42 1.1.4.2 tls #define DDB_ADDR_FMT PRIxPTR 43 1.1.4.2 tls 44 1.1.4.2 tls #define BKPT_ADDR(addr) (addr) 45 1.1.4.2 tls #define BKPT_SIZE 4 46 1.1.4.2 tls #define BKPT_INSN 0xd4200000 47 1.1.4.2 tls #define BKPT_SET(insn, addr) (BKPT_INSN) 48 1.1.4.2 tls 49 1.1.4.2 tls typedef struct trapframe db_regs_t; 50 1.1.4.2 tls extern db_regs_t ddb_regs; 51 1.1.4.2 tls #define DDB_REGS (&ddb_regs) 52 1.1.4.2 tls #define PC_REGS(tf) ((tf)->tf_pc) 53 1.1.4.2 tls 54 1.1.4.2 tls #define DB_TRAP_UNKNOWN 0 55 1.1.4.2 tls #define DB_TRAP_BREAKPOINT 1 56 1.1.4.2 tls #define DB_TRAP_BKPT_INSN 2 57 1.1.4.2 tls #define DB_TRAP_WATCHPOINT 3 58 1.1.4.2 tls 59 1.1.4.2 tls #define IS_BREAKPOINT_TRAP(type, code) \ 60 1.1.4.2 tls ((type) == DB_TRAP_BREAKPOINT || (type) == DB_TRAP_BKPT_INSN) 61 1.1.4.2 tls #define IS_WATCHPOINT_TRAP(type, code) \ 62 1.1.4.2 tls ((type) == DB_TRAP_WATCHPOINT) 63 1.1.4.2 tls 64 1.1.4.2 tls static inline bool 65 1.1.4.2 tls inst_call(db_expr_t insn) 66 1.1.4.2 tls { 67 1.1.4.2 tls return (insn & 0xfc000000) == 0x92000000 /* bl */ 68 1.1.4.2 tls || (insn & 0xfffffcef) == 0xd63f0000; /* blr */ 69 1.1.4.2 tls } 70 1.1.4.2 tls 71 1.1.4.2 tls static inline bool 72 1.1.4.2 tls inst_load(db_expr_t insn) 73 1.1.4.2 tls { 74 1.1.4.2 tls return (insn & 0x0b000000) == 0x08000000 /* ldr pc-rel */ 75 1.1.4.2 tls || (insn & 0x0b400000) == 0x08400000; 76 1.1.4.2 tls } 77 1.1.4.2 tls 78 1.1.4.2 tls static inline bool 79 1.1.4.2 tls inst_return(db_expr_t insn) 80 1.1.4.2 tls { 81 1.1.4.2 tls return insn == 0xd65ffeff; /* ret x30 */ 82 1.1.4.2 tls } 83 1.1.4.2 tls 84 1.1.4.2 tls static inline bool 85 1.1.4.2 tls inst_store(db_expr_t insn) 86 1.1.4.2 tls { 87 1.1.4.2 tls return (insn & 0x3b000000) != 0x18000000 /* !ldr pc-rel */ 88 1.1.4.2 tls && (insn & 0x0b400000) == 0x08000000; /* str */ 89 1.1.4.2 tls } 90 1.1.4.2 tls 91 1.1.4.2 tls static inline bool 92 1.1.4.2 tls inst_trap_return(db_expr_t insn) 93 1.1.4.2 tls { 94 1.1.4.2 tls return insn == 0xd69f03e0; /* eret */ 95 1.1.4.2 tls } 96 1.1.4.2 tls 97 1.1.4.2 tls #elif defined(__arm__) 98 1.1.4.2 tls 99 1.1.4.2 tls #include <arm/db_machdep.h> 100 1.1.4.2 tls 101 1.1.4.2 tls #endif 102 1.1.4.2 tls 103 1.1.4.2 tls #endif /* _AARCH64_DB_MACHDEP_H_ */ 104
Indexes created Wed Oct 22 13:09:56 GMT 2025