Return to db_machdep.h CVS log

Up to [local] / sys / arch / sparc / include

Annotation of sys/arch/sparc/include/db_machdep.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: db_machdep.h,v 1.13 2005/11/13 17:50:44 fgsch Exp $   */
        !             2: /*     $NetBSD: db_machdep.h,v 1.10 1997/08/31 21:23:40 pk Exp $ */
        !             3:
        !             4: /*
        !             5:  * Mach Operating System
        !             6:  * Copyright (c) 1991,1990 Carnegie Mellon University
        !             7:  * All Rights Reserved.
        !             8:  *
        !             9:  * Permission to use, copy, modify and distribute this software and its
        !            10:  * documentation is hereby granted, provided that both the copyright
        !            11:  * notice and this permission notice appear in all copies of the
        !            12:  * software, derivative works or modified versions, and any portions
        !            13:  * thereof, and that both notices appear in supporting documentation.
        !            14:  *
        !            15:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            16:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            17:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            18:  *
        !            19:  * Carnegie Mellon requests users of this software to return to
        !            20:  *
        !            21:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            22:  *  School of Computer Science
        !            23:  *  Carnegie Mellon University
        !            24:  *  Pittsburgh PA 15213-3890
        !            25:  *
        !            26:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            27:  * the rights to redistribute these changes.
        !            28:  */
        !            29:
        !            30: #ifndef        _SPARC_DB_MACHDEP_H_
        !            31: #define        _SPARC_DB_MACHDEP_H_
        !            32:
        !            33: /*
        !            34:  * Machine-dependent defines for new kernel debugger.
        !            35:  */
        !            36:
        !            37:
        !            38: #include <uvm/uvm_extern.h>
        !            39: #include <machine/frame.h>
        !            40: #include <machine/psl.h>
        !            41: #include <machine/trap.h>
        !            42: #include <machine/reg.h>
        !            43:
        !            44: /* end of mangling */
        !            45:
        !            46: typedef        vaddr_t         db_addr_t;      /* address - unsigned */
        !            47: typedef        long            db_expr_t;      /* expression - signed */
        !            48:
        !            49: typedef struct {
        !            50:        struct trapframe db_tf;
        !            51:        struct frame     db_fr;
        !            52: } db_regs_t;
        !            53:
        !            54: extern db_regs_t       ddb_regs;       /* register state */
        !            55: #define        DDB_REGS        (&ddb_regs)
        !            56: #define        DDB_TF          (&ddb_regs.db_tf)
        !            57: #define        DDB_FR          (&ddb_regs.db_fr)
        !            58:
        !            59: #define        PC_REGS(regs)   ((db_addr_t)(regs)->db_tf.tf_pc)
        !            60: #define        SET_PC_REGS(regs, value)        (regs)->db_tf.tf_pc = (int)(value)
        !            61: #define        PC_ADVANCE(regs) do {                           \
        !            62:        int n = (regs)->db_tf.tf_npc;                   \
        !            63:        (regs)->db_tf.tf_pc = n;                        \
        !            64:        (regs)->db_tf.tf_npc = n + 4;                   \
        !            65: } while(0)
        !            66:
        !            67: #define        BKPT_INST       0x91d02001      /* breakpoint instruction */
        !            68: #define        BKPT_SIZE       (4)             /* size of breakpoint inst */
        !            69: #define        BKPT_SET(inst)  (BKPT_INST)
        !            70:
        !            71: #define        db_clear_single_step(regs)      (void) (0)
        !            72: #define        db_set_single_step(regs)        (void) (0)
        !            73:
        !            74: #define        IS_BREAKPOINT_TRAP(type, code)  \
        !            75:        ((type) == T_BREAKPOINT || (type) == T_KGDB_EXEC)
        !            76: #define IS_WATCHPOINT_TRAP(type, code) (0)
        !            77:
        !            78: #define        inst_trap_return(ins)   ((ins)&0)
        !            79: #define        inst_return(ins)        ((ins)&0)
        !            80: #define        inst_call(ins)          ((ins)&0)
        !            81: #define inst_load(ins)         0
        !            82: #define inst_store(ins)                0
        !            83:
        !            84: #define DB_MACHINE_COMMANDS
        !            85:
        !            86: void db_machine_init(void);
        !            87: int kdb_trap(int, struct trapframe *);
        !            88:
        !            89: #define DB_ELF_SYMBOLS
        !            90: #define DB_ELFSIZE     32
        !            91:
        !            92:
        !            93: /*
        !            94:  * KGDB definitions
        !            95:  */
        !            96: typedef u_long         kgdb_reg_t;
        !            97: #define KGDB_NUMREGS   72
        !            98: #define KGDB_BUFLEN    1024
        !            99:
        !           100: #define KGDB_PREPARE   fb_unblank()
        !           101: #define KGDB_ENTER     __asm("ta %0" :: "n" (T_KGDB_EXEC))
        !           102:
        !           103: #endif /* _SPARC_DB_MACHDEP_H_ */