| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-2-Clause |
| 3 | * |
| 4 | * Copyright (c) 2004 Marcel Moolenaar |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _MACHINE_GDB_MACHDEP_H_ |
| 30 | #define _MACHINE_GDB_MACHDEP_H_ |
| 31 | |
| 32 | #define GDB_BUFSZ 4096 |
| 33 | #define GDB_NREGS 56 |
| 34 | #define GDB_REG_RAX 0 |
| 35 | #define GDB_REG_RBX 1 |
| 36 | #define GDB_REG_RCX 2 |
| 37 | #define GDB_REG_RDX 3 |
| 38 | #define GDB_REG_RSI 4 |
| 39 | #define GDB_REG_RDI 5 |
| 40 | #define GDB_REG_RBP 6 |
| 41 | #define GDB_REG_RSP 7 |
| 42 | #define GDB_REG_R8 8 |
| 43 | #define GDB_REG_R9 9 |
| 44 | #define GDB_REG_R10 10 |
| 45 | #define GDB_REG_R11 11 |
| 46 | #define GDB_REG_R12 12 |
| 47 | #define GDB_REG_R13 13 |
| 48 | #define GDB_REG_R14 14 |
| 49 | #define GDB_REG_R15 15 |
| 50 | #define GDB_REG_PC 16 |
| 51 | #define GDB_REG_RFLAGS 17 |
| 52 | #define GDB_REG_CS 18 |
| 53 | #define GDB_REG_SS 19 |
| 54 | _Static_assert(GDB_BUFSZ >= (GDB_NREGS * 16), "buffer fits 'g' regs"); |
| 55 | |
| 56 | static __inline size_t |
| 57 | gdb_cpu_regsz(int regnum) |
| 58 | { |
| 59 | return ((regnum > 16 && regnum < 24) ? 4 : 8); |
| 60 | } |
| 61 | |
| 62 | static __inline int |
| 63 | gdb_cpu_query(void) |
| 64 | { |
| 65 | return (0); |
| 66 | } |
| 67 | |
| 68 | void *gdb_begin_write(void); |
| 69 | void *gdb_cpu_getreg(int, size_t *); |
| 70 | void gdb_cpu_setreg(int, void *); |
| 71 | int gdb_cpu_signal(int, int); |
| 72 | void gdb_end_write(void *); |
| 73 | void gdb_cpu_stop_reason(int, int); |
| 74 | |
| 75 | #endif /* !_MACHINE_GDB_MACHDEP_H_ */ |