sys/ddb/db_break.c

55 static void	db_breakpoint_free(db_breakpoint_t bkpt);
64 	register db_breakpoint_t	bkpt;
66 	if ((bkpt = db_free_breakpoints) != 0) {
67 	    db_free_breakpoints = bkpt->link;
68 	    return (bkpt);
74 	bkpt = db_next_free_breakpoint;
77 	return (bkpt);
81 db_breakpoint_free(bkpt)
82 	register db_breakpoint_t	bkpt;
84 	bkpt->link = db_free_breakpoints;
85 	db_free_breakpoints = bkpt;
94 	register db_breakpoint_t	bkpt;
101 	bkpt = db_breakpoint_alloc();
102 	if (bkpt == 0) {
107 	bkpt->map = map;
108 	bkpt->address = addr;
109 	bkpt->flags = 0;
110 	bkpt->init_count = count;
111 	bkpt->count = count;
113 	bkpt->link = db_breakpoint_list;
114 	db_breakpoint_list = bkpt;
122 	register db_breakpoint_t	bkpt;
126 	     (bkpt = *prev) != 0;
127 	     prev = &bkpt->link) {
128 	    if (db_map_equal(bkpt->map, map) &&
129 		(bkpt->address == addr)) {
130 		*prev = bkpt->link;
134 	if (bkpt == 0) {
139 	db_breakpoint_free(bkpt);
147 	register db_breakpoint_t	bkpt;
149 	for (bkpt = db_breakpoint_list;
150 	     bkpt != 0;
151 	     bkpt = bkpt->link)
153 	    if (db_map_equal(bkpt->map, map) &&
154 		(bkpt->address == addr))
155 		return (bkpt);
185 	register db_breakpoint_t	bkpt;
189 		for (bkpt = db_breakpoint_list;
190 		     bkpt != 0;
191 		     bkpt = bkpt->link)
192 			if (db_map_current(bkpt->map)) {
193 				BKPT_WRITE(bkpt->address, &bkpt->bkpt_inst);
202 	register db_breakpoint_t	bkpt;
206 		for (bkpt = db_breakpoint_list;
207 		     bkpt != 0;
208 		     bkpt = bkpt->link)
209 			if (db_map_current(bkpt->map)) {
210 				BKPT_CLEAR(bkpt->address, &bkpt->bkpt_inst);
226 	register db_breakpoint_t	bkpt;
228 	bkpt = db_breakpoint_alloc();
229 	if (bkpt == 0) {
234 	bkpt->map = NULL;
235 	bkpt->address = addr;
236 	bkpt->flags = BKPT_TEMP;
237 	bkpt->init_count = 1;
238 	bkpt->count = 1;
240 	BKPT_WRITE(bkpt->address, &bkpt->bkpt_inst);
241 	return bkpt;
245 db_delete_temp_breakpoint(bkpt)
246 	db_breakpoint_t	bkpt;
248 	BKPT_CLEAR(bkpt->address, &bkpt->bkpt_inst);
249 	db_breakpoint_free(bkpt);
259 	register db_breakpoint_t	bkpt;
267 	for (bkpt = db_breakpoint_list;
268 	     bkpt != 0;
269 	     bkpt = bkpt->link) {
271 		      db_map_current(bkpt->map) ? "*" : " ",
272 		      (void *)bkpt->map, bkpt->init_count);
273 	    db_printsym(bkpt->address, DB_STGY_PROC);