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_ */ 76