diff options
Diffstat (limited to 'ddb/db_watch.c')
| -rw-r--r-- | ddb/db_watch.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ddb/db_watch.c b/ddb/db_watch.c index 072f474..7eb9995 100644 --- a/ddb/db_watch.c +++ b/ddb/db_watch.c @@ -55,6 +55,9 @@ boolean_t db_watchpoints_inserted = TRUE; +extern boolean_t db_set_hw_watchpoint(db_watchpoint_t watch, unsigned hw_idx); +extern boolean_t db_clear_hw_watchpoint(unsigned hw_idx); + #define NWATCHPOINTS 100 struct db_watchpoint db_watch_table[NWATCHPOINTS]; db_watchpoint_t db_next_free_watchpoint = &db_watch_table[0]; @@ -264,9 +267,14 @@ db_set_watchpoints(void) { register db_watchpoint_t watch; vm_map_t map; + unsigned hw_idx = 0; if (!db_watchpoints_inserted) { for (watch = db_watchpoint_list; watch != 0; watch = watch->link) { + if (db_set_hw_watchpoint(watch, hw_idx)) { + hw_idx++; + continue; + } map = (watch->task)? watch->task->map: kernel_map; pmap_protect(map->pmap, trunc_page(watch->loaddr), @@ -280,6 +288,11 @@ db_set_watchpoints(void) void db_clear_watchpoints(void) { + unsigned hw_idx = 0; + + while (db_clear_hw_watchpoint(hw_idx)) + hw_idx++; + db_watchpoints_inserted = FALSE; } |