db_machdep.h revision 1.15.2.5
1 1.15.2.5 sommerfe /* $NetBSD: db_machdep.h,v 1.15.2.5 2002/05/18 17:27:33 sommerfeld Exp $ */ 2 1.15.2.2 sommerfe 3 1.15.2.2 sommerfe /* 4 1.15.2.2 sommerfe * Mach Operating System 5 1.15.2.2 sommerfe * Copyright (c) 1991,1990 Carnegie Mellon University 6 1.15.2.2 sommerfe * All Rights Reserved. 7 1.15.2.2 sommerfe * 8 1.15.2.2 sommerfe * Permission to use, copy, modify and distribute this software and its 9 1.15.2.2 sommerfe * documentation is hereby granted, provided that both the copyright 10 1.15.2.2 sommerfe * notice and this permission notice appear in all copies of the 11 1.15.2.2 sommerfe * software, derivative works or modified versions, and any portions 12 1.15.2.2 sommerfe * thereof, and that both notices appear in supporting documentation. 13 1.15.2.2 sommerfe * 14 1.15.2.2 sommerfe * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 15 1.15.2.2 sommerfe * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 16 1.15.2.2 sommerfe * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 17 1.15.2.2 sommerfe * 18 1.15.2.2 sommerfe * Carnegie Mellon requests users of this software to return to 19 1.15.2.2 sommerfe * 20 1.15.2.2 sommerfe * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 21 1.15.2.2 sommerfe * School of Computer Science 22 1.15.2.2 sommerfe * Carnegie Mellon University 23 1.15.2.2 sommerfe * Pittsburgh PA 15213-3890 24 1.15.2.2 sommerfe * 25 1.15.2.2 sommerfe * any improvements or extensions that they make and grant Carnegie Mellon 26 1.15.2.2 sommerfe * the rights to redistribute these changes. 27 1.15.2.2 sommerfe */ 28 1.15.2.2 sommerfe 29 1.15.2.2 sommerfe #ifndef _I386_DB_MACHDEP_H_ 30 1.15.2.2 sommerfe #define _I386_DB_MACHDEP_H_ 31 1.15.2.2 sommerfe 32 1.15.2.2 sommerfe /* 33 1.15.2.2 sommerfe * Machine-dependent defines for new kernel debugger. 34 1.15.2.2 sommerfe */ 35 1.15.2.2 sommerfe 36 1.15.2.2 sommerfe #include <sys/param.h> 37 1.15.2.2 sommerfe #include <uvm/uvm_extern.h> 38 1.15.2.2 sommerfe #include <machine/trap.h> 39 1.15.2.2 sommerfe 40 1.15.2.2 sommerfe typedef vaddr_t db_addr_t; /* address - unsigned */ 41 1.15.2.2 sommerfe typedef long db_expr_t; /* expression - signed */ 42 1.15.2.2 sommerfe 43 1.15.2.2 sommerfe typedef struct trapframe db_regs_t; 44 1.15.2.2 sommerfe #ifndef MULTIPROCESSOR 45 1.15.2.5 sommerfe extern db_regs_t ddb_regs; /* register state */ 46 1.15.2.2 sommerfe #define DDB_REGS (&ddb_regs) 47 1.15.2.2 sommerfe #else 48 1.15.2.2 sommerfe extern db_regs_t *ddb_regp; 49 1.15.2.2 sommerfe #define DDB_REGS (ddb_regp) 50 1.15.2.2 sommerfe #define ddb_regs (*ddb_regp) 51 1.15.2.2 sommerfe #endif 52 1.15.2.2 sommerfe 53 1.15.2.4 sommerfe #if defined(lint) 54 1.15.2.4 sommerfe #define PC_REGS(regs) ((regs)->tf_eip) 55 1.15.2.4 sommerfe #else 56 1.15.2.2 sommerfe #define PC_REGS(regs) ((db_addr_t)(regs)->tf_eip) 57 1.15.2.4 sommerfe #endif 58 1.15.2.2 sommerfe 59 1.15.2.2 sommerfe #define BKPT_INST 0xcc /* breakpoint instruction */ 60 1.15.2.2 sommerfe #define BKPT_SIZE (1) /* size of breakpoint inst */ 61 1.15.2.2 sommerfe #define BKPT_SET(inst) (BKPT_INST) 62 1.15.2.2 sommerfe 63 1.15.2.2 sommerfe #define FIXUP_PC_AFTER_BREAK(regs) ((regs)->tf_eip -= BKPT_SIZE) 64 1.15.2.2 sommerfe 65 1.15.2.2 sommerfe #define db_clear_single_step(regs) ((regs)->tf_eflags &= ~PSL_T) 66 1.15.2.2 sommerfe #define db_set_single_step(regs) ((regs)->tf_eflags |= PSL_T) 67 1.15.2.2 sommerfe 68 1.15.2.2 sommerfe #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPTFLT) 69 1.15.2.2 sommerfe #define IS_WATCHPOINT_TRAP(type, code) ((type) == T_TRCTRAP && (code) & 15) 70 1.15.2.2 sommerfe 71 1.15.2.2 sommerfe #define I_CALL 0xe8 72 1.15.2.2 sommerfe #define I_CALLI 0xff 73 1.15.2.2 sommerfe #define I_RET 0xc3 74 1.15.2.2 sommerfe #define I_IRET 0xcf 75 1.15.2.2 sommerfe 76 1.15.2.2 sommerfe #define inst_trap_return(ins) (((ins)&0xff) == I_IRET) 77 1.15.2.2 sommerfe #define inst_return(ins) (((ins)&0xff) == I_RET) 78 1.15.2.2 sommerfe #define inst_call(ins) (((ins)&0xff) == I_CALL || \ 79 1.15.2.2 sommerfe (((ins)&0xff) == I_CALLI && \ 80 1.15.2.2 sommerfe ((ins)&0x3800) == 0x1000)) 81 1.15.2.2 sommerfe #define inst_load(ins) 0 82 1.15.2.2 sommerfe #define inst_store(ins) 0 83 1.15.2.2 sommerfe 84 1.15.2.2 sommerfe /* access capability and access macros */ 85 1.15.2.2 sommerfe 86 1.15.2.2 sommerfe #define DB_ACCESS_LEVEL 2 /* access any space */ 87 1.15.2.2 sommerfe #define DB_CHECK_ACCESS(addr,size,task) \ 88 1.15.2.2 sommerfe db_check_access(addr,size,task) 89 1.15.2.2 sommerfe #define DB_PHYS_EQ(task1,addr1,task2,addr2) \ 90 1.15.2.2 sommerfe db_phys_eq(task1,addr1,task2,addr2) 91 1.15.2.2 sommerfe #define DB_VALID_KERN_ADDR(addr) \ 92 1.15.2.2 sommerfe ((addr) >= VM_MIN_KERNEL_ADDRESS && \ 93 1.15.2.2 sommerfe (addr) < VM_MAX_KERNEL_ADDRESS) 94 1.15.2.2 sommerfe #define DB_VALID_ADDRESS(addr,user) \ 95 1.15.2.2 sommerfe ((!(user) && DB_VALID_KERN_ADDR(addr)) || \ 96 1.15.2.2 sommerfe ((user) && (addr) < VM_MAX_ADDRESS)) 97 1.15.2.2 sommerfe 98 1.15.2.2 sommerfe #if 0 99 1.15.2.2 sommerfe boolean_t db_check_access __P((vaddr_t, int, task_t)); 100 1.15.2.2 sommerfe boolean_t db_phys_eq __P((task_t, vaddr_t, task_t, vaddr_t)); 101 1.15.2.2 sommerfe #endif 102 1.15.2.2 sommerfe 103 1.15.2.2 sommerfe /* macros for printing OS server dependent task name */ 104 1.15.2.2 sommerfe 105 1.15.2.2 sommerfe #define DB_TASK_NAME(task) db_task_name(task) 106 1.15.2.2 sommerfe #define DB_TASK_NAME_TITLE "COMMAND " 107 1.15.2.2 sommerfe #define DB_TASK_NAME_LEN 23 108 1.15.2.2 sommerfe #define DB_NULL_TASK_NAME "? " 109 1.15.2.2 sommerfe 110 1.15.2.2 sommerfe /* 111 1.15.2.2 sommerfe * Constants for KGDB. 112 1.15.2.2 sommerfe */ 113 1.15.2.2 sommerfe typedef long kgdb_reg_t; 114 1.15.2.4 sommerfe #define KGDB_NUMREGS 16 115 1.15.2.2 sommerfe #define KGDB_BUFLEN 512 116 1.15.2.2 sommerfe 117 1.15.2.2 sommerfe #if 0 118 1.15.2.2 sommerfe void db_task_name(/* task_t */); 119 1.15.2.2 sommerfe #endif 120 1.15.2.2 sommerfe 121 1.15.2.2 sommerfe /* macro for checking if a thread has used floating-point */ 122 1.15.2.2 sommerfe 123 1.15.2.2 sommerfe #define db_thread_fp_used(thread) ((thread)->pcb->ims.ifps != 0) 124 1.15.2.2 sommerfe 125 1.15.2.2 sommerfe int kdb_trap __P((int, int, db_regs_t *)); 126 1.15.2.2 sommerfe 127 1.15.2.2 sommerfe /* 128 1.15.2.2 sommerfe * We define some of our own commands 129 1.15.2.2 sommerfe */ 130 1.15.2.2 sommerfe #define DB_MACHINE_COMMANDS 131 1.15.2.2 sommerfe 132 1.15.2.2 sommerfe /* 133 1.15.2.2 sommerfe * We use either a.out or Elf32 symbols in DDB. 134 1.15.2.2 sommerfe */ 135 1.15.2.2 sommerfe #define DB_AOUT_SYMBOLS 136 1.15.2.2 sommerfe #define DB_ELF_SYMBOLS 137 1.15.2.2 sommerfe #define DB_ELFSIZE 32 138 1.15.2.2 sommerfe 139 1.15.2.2 sommerfe extern void db_machine_init __P((void)); 140 1.15.2.2 sommerfe 141 1.15.2.3 sommerfe extern void cpu_debug_dump __P((void)); 142 1.15.2.3 sommerfe 143 1.15.2.2 sommerfe #endif /* _I386_DB_MACHDEP_H_ */ 144
Indexes created Tue Oct 21 07:10:13 GMT 2025