Return to db_machdep.h CVS log

Up to [local] / sys / arch / mips64 / include

Annotation of sys/arch/mips64/include/db_machdep.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: db_machdep.h,v 1.8 2005/04/19 15:23:37 miod Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 1998-2003 Opsycon AB (www.opsycon.se)
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     16:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     18:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     19:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     21:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  *
                     27:  */
                     28:
                     29: #ifndef        _MIPS_DB_MACHDEP_H_
                     30: #define        _MIPS_DB_MACHDEP_H_
                     31:
                     32: #include <machine/frame.h>
                     33: #include <machine/trap.h>
                     34: #include <uvm/uvm_param.h>
                     35:
                     36: #define DB_MACHINE_COMMANDS    /* We have machine specific commands */
                     37: #define        DB_ELF_SYMBOLS          /* Elf style symbol table support */
                     38:
                     39: typedef struct trap_frame db_regs_t;
                     40: extern db_regs_t       ddb_regs;
                     41:
                     42: typedef        long            db_expr_t;
                     43: typedef vaddr_t                db_addr_t;
                     44:
                     45: #define        SOFTWARE_SSTEP          /* Need software single step */
                     46: #define        SOFTWARE_SSTEP_EMUL     /* next_instr_address() emulates 100% */
                     47: db_addr_t      next_instr_address(db_addr_t, boolean_t);
                     48: #define        BKPT_SIZE   (4)
                     49: #define        BKPT_SET(ins)   (BREAK_DDB)
                     50: #define        DB_VALID_BREAKPOINT(addr)       (((addr) & 3) == 0)
                     51:
                     52: #define        IS_BREAKPOINT_TRAP(type, code)  ((type) == T_BREAK)
                     53: #define IS_WATCHPOINT_TRAP(type, code) (0)     /* XXX mips3 watchpoint */
                     54:
                     55: #define        PC_REGS(regs)   ((db_addr_t)(regs)->pc)
                     56: #define        SET_PC_REGS(regs, value)        (regs)->pc = (register_t)(value)
                     57: #define DDB_REGS       (&ddb_regs)
                     58:
                     59: /*
                     60:  *  Test of instructions to see class.
                     61:  */
                     62: #define        IT_CALL         0x01
                     63: #define        IT_BRANCH       0x02
                     64: #define        IT_LOAD         0x03
                     65: #define        IT_STORE        0x04
                     66:
                     67: #define        inst_branch(i)  (db_inst_type(i) == IT_BRANCH)
                     68: #define        inst_trap_return(i)     ((i) & 0)
                     69: #define        inst_call(i)    (db_inst_type(i) == IT_CALL)
                     70: #define        inst_return(i)  ((i) == 0x03e00008)
                     71: #define        inst_load(i)    (db_inst_type(i) == IT_LOAD)
                     72: #define        inst_store(i)   (db_inst_type(i) == IT_STORE)
                     73:
                     74: int db_inst_type(int);
                     75: void db_machine_init(void);
                     76:
                     77: #endif /* !_MIPS_DB_MACHDEP_H_ */