1dd3cb568SWarner Losh /*- 2*796df753SPedro F. Giffuni * SPDX-License-Identifier: MIT-CMU 3*796df753SPedro F. Giffuni * 45b81b6b3SRodney W. Grimes * Mach Operating System 55b81b6b3SRodney W. Grimes * Copyright (c) 1991,1990 Carnegie Mellon University 65b81b6b3SRodney W. Grimes * All Rights Reserved. 75b81b6b3SRodney W. Grimes * 85b81b6b3SRodney W. Grimes * Permission to use, copy, modify and distribute this software and its 95b81b6b3SRodney W. Grimes * documentation is hereby granted, provided that both the copyright 105b81b6b3SRodney W. Grimes * notice and this permission notice appear in all copies of the 115b81b6b3SRodney W. Grimes * software, derivative works or modified versions, and any portions 125b81b6b3SRodney W. Grimes * thereof, and that both notices appear in supporting documentation. 135b81b6b3SRodney W. Grimes * 145b81b6b3SRodney W. Grimes * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 155b81b6b3SRodney W. Grimes * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 165b81b6b3SRodney W. Grimes * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 175b81b6b3SRodney W. Grimes * 185b81b6b3SRodney W. Grimes * Carnegie Mellon requests users of this software to return to 195b81b6b3SRodney W. Grimes * 205b81b6b3SRodney W. Grimes * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 215b81b6b3SRodney W. Grimes * School of Computer Science 225b81b6b3SRodney W. Grimes * Carnegie Mellon University 235b81b6b3SRodney W. Grimes * Pittsburgh PA 15213-3890 245b81b6b3SRodney W. Grimes * 255b81b6b3SRodney W. Grimes * any improvements or extensions that they make and grant Carnegie the 265b81b6b3SRodney W. Grimes * rights to redistribute these changes. 275b81b6b3SRodney W. Grimes */ 280edf66ecSRodney W. Grimes 295b81b6b3SRodney W. Grimes /* 305b81b6b3SRodney W. Grimes * Author: David B. Golub, Carnegie Mellon University 315b81b6b3SRodney W. Grimes * Date: 7/90 325b81b6b3SRodney W. Grimes */ 335b81b6b3SRodney W. Grimes #ifndef _DDB_DB_BREAK_H_ 345b81b6b3SRodney W. Grimes #define _DDB_DB_BREAK_H_ 355b81b6b3SRodney W. Grimes 365b81b6b3SRodney W. Grimes /* 375b81b6b3SRodney W. Grimes * Breakpoint. 385b81b6b3SRodney W. Grimes */ 395b81b6b3SRodney W. Grimes 403a0b4f25SDoug Rabson #ifndef BKPT_INST_TYPE 413a0b4f25SDoug Rabson #define BKPT_INST_TYPE int 423a0b4f25SDoug Rabson #endif 433a0b4f25SDoug Rabson 445b81b6b3SRodney W. Grimes struct db_breakpoint { 45d43f696cSJake Burkholder vm_map_t map; /* in this map */ 465b81b6b3SRodney W. Grimes db_addr_t address; /* set here */ 475b81b6b3SRodney W. Grimes int init_count; /* number of times to skip bkpt */ 485b81b6b3SRodney W. Grimes int count; /* current count */ 495b81b6b3SRodney W. Grimes int flags; /* flags: */ 505b81b6b3SRodney W. Grimes #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */ 515b81b6b3SRodney W. Grimes #define BKPT_TEMP 0x4 /* temporary */ 523a0b4f25SDoug Rabson BKPT_INST_TYPE bkpt_inst; /* saved instruction at bkpt */ 535b81b6b3SRodney W. Grimes struct db_breakpoint *link; /* link in in-use or free chain */ 545b81b6b3SRodney W. Grimes }; 555b81b6b3SRodney W. Grimes typedef struct db_breakpoint *db_breakpoint_t; 565b81b6b3SRodney W. Grimes 5714e10f99SAlfred Perlstein void db_clear_breakpoints(void); 5814e10f99SAlfred Perlstein db_breakpoint_t db_find_breakpoint_here(db_addr_t addr); 5914e10f99SAlfred Perlstein void db_set_breakpoints(void); 605b81b6b3SRodney W. Grimes 614753168fSBruce Evans #endif /* !_DDB_DB_BREAK_H_ */ 62