diff options
Diffstat (limited to 'gdb/breakpoint.h')
| -rw-r--r-- | gdb/breakpoint.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h index 80544e4..2c98d64 100644 --- a/gdb/breakpoint.h +++ b/gdb/breakpoint.h @@ -298,6 +298,17 @@ struct bp_location /* Similarly, for the breakpoint at an overlay's LMA, if necessary. */ struct bp_target_info overlay_target_info; + + /* In a non-stop mode, it's possible that we delete a breakpoint, + but as we do that, some still running thread hits that breakpoint. + For that reason, we need to keep locations belonging to deleted + breakpoints for a bit, so that don't report unexpected SIGTRAP. + We can't keep such locations forever, so we use a heuristic -- + after we process certain number of inferior events since + breakpoint was deleted, we retire all locations of that breakpoint. + This variable keeps a number of events still to go, when + it becomes 0 this location is retired. */ + int events_till_retirement; }; /* This structure is a collection of function pointers that, if available, @@ -865,4 +876,9 @@ void breakpoint_restore_shadows (gdb_byte *buf, ULONGEST memaddr, extern int breakpoints_always_inserted_mode (void); +/* Called each time new event from target is processed. + Retires previously deleted breakpoint locations that + in our opinion won't ever trigger. */ +extern void breakpoint_retire_moribund (void); + #endif /* !defined (BREAKPOINT_H) */ |