db_machdep.h revision 1.3.2.2
1 1.3.2.2 mycroft /* 2 1.3.2.2 mycroft * Mach Operating System 3 1.3.2.2 mycroft * Copyright (c) 1991,1990 Carnegie Mellon University 4 1.3.2.2 mycroft * All Rights Reserved. 5 1.3.2.2 mycroft * 6 1.3.2.2 mycroft * Permission to use, copy, modify and distribute this software and its 7 1.3.2.2 mycroft * documentation is hereby granted, provided that both the copyright 8 1.3.2.2 mycroft * notice and this permission notice appear in all copies of the 9 1.3.2.2 mycroft * software, derivative works or modified versions, and any portions 10 1.3.2.2 mycroft * thereof, and that both notices appear in supporting documentation. 11 1.3.2.2 mycroft * 12 1.3.2.2 mycroft * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 13 1.3.2.2 mycroft * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 1.3.2.2 mycroft * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 1.3.2.2 mycroft * 16 1.3.2.2 mycroft * Carnegie Mellon requests users of this software to return to 17 1.3.2.2 mycroft * 18 1.3.2.2 mycroft * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 19 1.3.2.2 mycroft * School of Computer Science 20 1.3.2.2 mycroft * Carnegie Mellon University 21 1.3.2.2 mycroft * Pittsburgh PA 15213-3890 22 1.3.2.2 mycroft * 23 1.3.2.2 mycroft * any improvements or extensions that they make and grant Carnegie Mellon 24 1.3.2.2 mycroft * the rights to redistribute these changes. 25 1.3.2.2 mycroft * 26 1.3.2.2 mycroft * $Id: db_machdep.h,v 1.3.2.2 1993/12/19 03:41:52 mycroft Exp $ 27 1.3.2.2 mycroft */ 28 1.3.2.2 mycroft 29 1.3.2.2 mycroft #ifndef _I386_DB_MACHDEP_H_ 30 1.3.2.2 mycroft #define _I386_DB_MACHDEP_H_ 31 1.3.2.2 mycroft 32 1.3.2.2 mycroft /* 33 1.3.2.2 mycroft * Machine-dependent defines for new kernel debugger. 34 1.3.2.2 mycroft */ 35 1.3.2.2 mycroft 36 1.3.2.2 mycroft 37 1.3.2.2 mycroft #include <vm/vm_prot.h> 38 1.3.2.2 mycroft #include <vm/vm_param.h> 39 1.3.2.2 mycroft #include <vm/vm_inherit.h> 40 1.3.2.2 mycroft #include <vm/lock.h> 41 1.3.2.2 mycroft #include <machine/frame.h> 42 1.3.2.2 mycroft #include <machine/psl.h> 43 1.3.2.2 mycroft #include <machine/trap.h> 44 1.3.2.2 mycroft 45 1.3.2.2 mycroft #define i386_saved_state trapframe 46 1.3.2.2 mycroft /* end of mangling */ 47 1.3.2.2 mycroft 48 1.3.2.2 mycroft typedef vm_offset_t db_addr_t; /* address - unsigned */ 49 1.3.2.2 mycroft typedef int db_expr_t; /* expression - signed */ 50 1.3.2.2 mycroft 51 1.3.2.2 mycroft typedef struct i386_saved_state db_regs_t; 52 1.3.2.2 mycroft db_regs_t ddb_regs; /* register state */ 53 1.3.2.2 mycroft #define DDB_REGS (&ddb_regs) 54 1.3.2.2 mycroft 55 1.3.2.2 mycroft #define PC_REGS(regs) ((db_addr_t)(regs)->tf_eip) 56 1.3.2.2 mycroft 57 1.3.2.2 mycroft #define BKPT_INST 0xcc /* breakpoint instruction */ 58 1.3.2.2 mycroft #define BKPT_SIZE (1) /* size of breakpoint inst */ 59 1.3.2.2 mycroft #define BKPT_SET(inst) (BKPT_INST) 60 1.3.2.2 mycroft 61 1.3.2.2 mycroft #define FIXUP_PC_AFTER_BREAK ddb_regs.tf_eip -= 1; 62 1.3.2.2 mycroft 63 1.3.2.2 mycroft #define db_clear_single_step(regs) ((regs)->tf_eflags &= ~PSL_T) 64 1.3.2.2 mycroft #define db_set_single_step(regs) ((regs)->tf_eflags |= PSL_T) 65 1.3.2.2 mycroft 66 1.3.2.2 mycroft #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPTFLT) 67 1.3.2.2 mycroft #define IS_WATCHPOINT_TRAP(type, code) ((type) == T_TRCTRAP && (code) & 15) 68 1.3.2.2 mycroft 69 1.3.2.2 mycroft #define I_CALL 0xe8 70 1.3.2.2 mycroft #define I_CALLI 0xff 71 1.3.2.2 mycroft #define I_RET 0xc3 72 1.3.2.2 mycroft #define I_IRET 0xcf 73 1.3.2.2 mycroft 74 1.3.2.2 mycroft #define inst_trap_return(ins) (((ins)&0xff) == I_IRET) 75 1.3.2.2 mycroft #define inst_return(ins) (((ins)&0xff) == I_RET) 76 1.3.2.2 mycroft #define inst_call(ins) (((ins)&0xff) == I_CALL || \ 77 1.3.2.2 mycroft (((ins)&0xff) == I_CALLI && \ 78 1.3.2.2 mycroft ((ins)&0x3800) == 0x1000)) 79 1.3.2.2 mycroft #define inst_load(ins) 0 80 1.3.2.2 mycroft #define inst_store(ins) 0 81 1.3.2.2 mycroft 82 1.3.2.2 mycroft /* access capability and access macros */ 83 1.3.2.2 mycroft 84 1.3.2.2 mycroft #define DB_ACCESS_LEVEL 2 /* access any space */ 85 1.3.2.2 mycroft #define DB_CHECK_ACCESS(addr,size,task) \ 86 1.3.2.2 mycroft db_check_access(addr,size,task) 87 1.3.2.2 mycroft #define DB_PHYS_EQ(task1,addr1,task2,addr2) \ 88 1.3.2.2 mycroft db_phys_eq(task1,addr1,task2,addr2) 89 1.3.2.2 mycroft #define DB_VALID_KERN_ADDR(addr) \ 90 1.3.2.2 mycroft ((addr) >= VM_MIN_KERNEL_ADDRESS && \ 91 1.3.2.2 mycroft (addr) < VM_MAX_KERNEL_ADDRESS) 92 1.3.2.2 mycroft #define DB_VALID_ADDRESS(addr,user) \ 93 1.3.2.2 mycroft ((!(user) && DB_VALID_KERN_ADDR(addr)) || \ 94 1.3.2.2 mycroft ((user) && (addr) < VM_MAX_ADDRESS)) 95 1.3.2.2 mycroft 96 1.3.2.2 mycroft boolean_t db_check_access(/* vm_offset_t, int, task_t */); 97 1.3.2.2 mycroft boolean_t db_phys_eq(/* task_t, vm_offset_t, task_t, vm_offset_t */); 98 1.3.2.2 mycroft 99 1.3.2.2 mycroft /* macros for printing OS server dependent task name */ 100 1.3.2.2 mycroft 101 1.3.2.2 mycroft #define DB_TASK_NAME(task) db_task_name(task) 102 1.3.2.2 mycroft #define DB_TASK_NAME_TITLE "COMMAND " 103 1.3.2.2 mycroft #define DB_TASK_NAME_LEN 23 104 1.3.2.2 mycroft #define DB_NULL_TASK_NAME "? " 105 1.3.2.2 mycroft 106 1.3.2.2 mycroft void db_task_name(/* task_t */); 107 1.3.2.2 mycroft 108 1.3.2.2 mycroft /* macro for checking if a thread has used floating-point */ 109 1.3.2.2 mycroft 110 1.3.2.2 mycroft #define db_thread_fp_used(thread) ((thread)->pcb->ims.ifps != 0) 111 1.3.2.2 mycroft 112 1.3.2.2 mycroft #endif /* _I386_DB_MACHDEP_H_ */ 113
Indexes created Wed Oct 22 13:09:56 GMT 2025