gdb: add inferior_execd observable

I want to add another action (clearing displaced stepping state) that
happens when an inferior execs.  I think it would be cleaner to have an
observer for this event, rather than have infrun know about each other
sub-component.

Replace the calls to solib_create_inferior_hook and
jit_inferior_created_hook in follow_exec by observers.

gdb/ChangeLog:

	* observable.h (inferior_execd): Declare new observable.
	* observable.c (inferior_execd): Declare new observable.
	* infrun.c (follow_exec): Notify inferior_execd observer.
	* jit.c (jit_inferior_created_hook): Make static.
	(_initialize_jit): Register inferior_execd observer.
	* jit.h (jit_inferior_created_hook): Remove declaration.
	* solib.c (_initialize_solib): Register inferior_execd observer.

Change-Id: I000cce00094e23baa67df693d912646b6ae38e44

1 files changed, 0 insertions, 7 deletions

diff --git a/gdb/jit.h b/gdb/jit.h
index 6f972a6..9693806 100644
--- a/gdb/jit.h
+++ b/gdb/jit.h
@@ -103,13 +103,6 @@ struct jited_objfile_data
   CORE_ADDR addr;
 };
 
-/* Looks for the descriptor and registration symbols and breakpoints
-   the registration function.  If it finds both, it registers all the
-   already JITed code.  If it has already found the symbols, then it
-   doesn't try again.  */
-
-extern void jit_inferior_created_hook (inferior *inf);
-
 /* Re-establish the jit breakpoint(s).  */
 
 extern void jit_breakpoint_re_set (void);