garbage collect gdb/breakpoint.c:breakpoint_thread_match

Used to be necessary for the thread-hop code, but that's gone now.
Nothing uses this anymore.

gdb/
2014-11-04  Pedro Alves  <palves@redhat.com>

	* breakpoint.c (breakpoint_thread_match): Delete function.
	* breakpoint.h (breakpoint_thread_match): Delete declaration.

3 files changed, 5 insertions, 62 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5f13708..1aa39b1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2014-11-04  Pedro Alves  <palves@redhat.com>
+
+	* breakpoint.c (breakpoint_thread_match): Delete function.
+	* breakpoint.h (breakpoint_thread_match): Delete declaration.
+
 2014-11-03  Siva Chandra Reddy  <sivachandra@google.com>
 
 	PR c++/17494
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
index cab6c56..bd51f5d 100644
--- a/gdb/breakpoint.c
+++ b/gdb/breakpoint.c
@@ -4322,65 +4322,6 @@ hardware_watchpoint_inserted_in_range (struct address_space *aspace,
     }
   return 0;
 }
-
-/* breakpoint_thread_match (PC, PTID) returns true if the breakpoint at
-   PC is valid for process/thread PTID.  */
-
-int
-breakpoint_thread_match (struct address_space *aspace, CORE_ADDR pc,
-			 ptid_t ptid)
-{
-  struct bp_location *bl, **blp_tmp;
-  /* The thread and task IDs associated to PTID, computed lazily.  */
-  int thread = -1;
-  int task = 0;
-  
-  ALL_BP_LOCATIONS (bl, blp_tmp)
-    {
-      if (bl->loc_type != bp_loc_software_breakpoint
-	  && bl->loc_type != bp_loc_hardware_breakpoint)
-	continue;
-
-      /* ALL_BP_LOCATIONS bp_location has bl->OWNER always non-NULL.  */
-      if (!breakpoint_enabled (bl->owner)
-	  && bl->owner->enable_state != bp_permanent)
-	continue;
-
-      if (!breakpoint_location_address_match (bl, aspace, pc))
-	continue;
-
-      if (bl->owner->thread != -1)
-	{
-	  /* This is a thread-specific breakpoint.  Check that ptid
-	     matches that thread.  If thread hasn't been computed yet,
-	     it is now time to do so.  */
-	  if (thread == -1)
-	    thread = pid_to_thread_id (ptid);
-	  if (bl->owner->thread != thread)
-	    continue;
-	}
-
-      if (bl->owner->task != 0)
-        {
-	  /* This is a task-specific breakpoint.  Check that ptid
-	     matches that task.  If task hasn't been computed yet,
-	     it is now time to do so.  */
-	  if (task == 0)
-	    task = ada_get_task_number (ptid);
-	  if (bl->owner->task != task)
-	    continue;
-        }
-
-      if (overlay_debugging 
-	  && section_is_overlay (bl->section)
-	  && !section_is_mapped (bl->section))
-	continue;	    /* unmapped overlay -- can't be a match */
-
-      return 1;
-    }
-
-  return 0;
-}
 
 
 /* bpstat stuff.  External routines' interfaces are documented
diff --git a/gdb/breakpoint.h b/gdb/breakpoint.h
index cd3e7ee..118a37f 100644
--- a/gdb/breakpoint.h
+++ b/gdb/breakpoint.h
@@ -1144,9 +1144,6 @@ extern int hardware_watchpoint_inserted_in_range (struct address_space *,
 						  CORE_ADDR addr,
 						  ULONGEST len);
 
-extern int breakpoint_thread_match (struct address_space *, 
-				    CORE_ADDR, ptid_t);
-
 /* Returns true if {ASPACE1,ADDR1} and {ASPACE2,ADDR2} represent the
    same breakpoint location.  In most targets, this can only be true
    if ASPACE1 matches ASPACE2.  On targets that have global