* emultempl/armelf.em (elf32_arm_add_stub_section): Use

[deliverable/binutils-gdb.git] / gdb / breakpoint.h

diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index 83f1cb8f19dc9b50d54e4e111efa8ff3a6d5daf5..2c98d64e8bc6d01902ee3e949d3d2dbbfb3a8cf3 100644 (file)
--- 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,
@@ -516,9 +527,6 @@ enum bpstat_what_main_action
        BPSTAT_WHAT_KEEP_CHECKING.  */
     BPSTAT_WHAT_CLEAR_LONGJMP_RESUME,
 
-    /* Clear longjmp_resume breakpoint, then handle as BPSTAT_WHAT_SINGLE.  */
-    BPSTAT_WHAT_CLEAR_LONGJMP_RESUME_SINGLE,
-
     /* Clear step resume breakpoint, and keep checking.  */
     BPSTAT_WHAT_STEP_RESUME,
 
@@ -687,11 +695,12 @@ extern void breakpoint_re_set (void);
 
 extern void breakpoint_re_set_thread (struct breakpoint *);
 
-extern int ep_is_exception_catchpoint (struct breakpoint *);
-
 extern struct breakpoint *set_momentary_breakpoint
   (struct symtab_and_line, struct frame_id, enum bptype);
 
+extern struct breakpoint *set_momentary_breakpoint_at_pc
+  (CORE_ADDR pc, enum bptype type);
+
 extern void set_ignore_count (int, int, int);
 
 extern void set_default_breakpoint (int, CORE_ADDR, struct symtab *, int);
@@ -760,12 +769,12 @@ extern void update_breakpoints_after_exec (void);
    inferior_ptid.  */
 extern int detach_breakpoints (int);
 
-extern void enable_longjmp_breakpoint (void);
-extern void disable_longjmp_breakpoint (void);
+extern void set_longjmp_breakpoint (void);
+extern void delete_longjmp_breakpoint (int thread);
+
 extern void enable_overlay_breakpoints (void);
 extern void disable_overlay_breakpoints (void);
 
-extern void set_longjmp_resume_breakpoint (CORE_ADDR, struct frame_id);
 /* These functions respectively disable or reenable all currently
    enabled watchpoints.  When disabled, the watchpoints are marked
    call_disabled.  When reenabled, they are marked enabled.
@@ -867,4 +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) */