/* $OpenBSD: db_machdep.h,v 1.21 2021/08/30 08:11:12 jasper Exp $ */ /* * Copyright (c) 1998-2003 Opsycon AB (www.opsycon.se) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef _MIPS64_DB_MACHDEP_H_ #define _MIPS64_DB_MACHDEP_H_ #include #include #include #define DB_MACHINE_COMMANDS /* We have machine specific commands */ typedef struct trapframe db_regs_t; extern db_regs_t ddb_regs; typedef long db_expr_t; #define SOFTWARE_SSTEP /* Need software single step */ #define SOFTWARE_SSTEP_EMUL /* next_instr_address() emulates 100% */ vaddr_t next_instr_address(vaddr_t, int); #define BKPT_SIZE (4) #define BKPT_SET(ins) (BREAK_DDB) #define DB_VALID_BREAKPOINT(addr) (((addr) & 3) == 0) #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BREAK) #define IS_WATCHPOINT_TRAP(type, code) (0) /* XXX mips3 watchpoint */ #define PC_REGS(regs) ((vaddr_t)(regs)->pc) #define SET_PC_REGS(regs, value) (regs)->pc = (register_t)(value) /* * Test of instructions to see class. */ #define inst_branch(i) (classify_insn(i) == INSNCLASS_BRANCH) #define inst_trap_return(i) ((i) & 0) #define inst_call(i) (classify_insn(i) == INSNCLASS_CALL) #define inst_return(i) ((i) == 0x03e00008) void db_machine_init(void); int db_enter_ddb(void); void db_startcpu(int); void db_stopcpu(int); int dbmd_print_insn(uint32_t, vaddr_t, int (*)(const char *, ...)); #define DDB_STATE_NOT_RUNNING 0 #define DDB_STATE_RUNNING 1 #define DDB_STATE_EXITING 2 #endif /* !_MIPS64_DB_MACHDEP_H_ */