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PR symtab/12406:

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* solib.c (update_solib_list): Update the program space's
	added_solibs and deleted_solibs fields.
	* progspace.h (struct program_space) <added_solibs,
	deleted_solibs>: New fields.
	(clear_program_space_solib_cache): Declare.
	* progspace.c (release_program_space): Call
	clear_program_space_solib_cache.
	(clear_program_space_solib_cache): New function.
	* infrun.c (handle_inferior_event) <TARGET_WAITKIND_LOADED>: Call
	bpstat_stop_status.  Use handle_solib_event.
	* breakpoint.c: Include gdb_regex.h.
	(print_solib_event): New function.
	(bpstat_print): Use print_solib_event.
	(bpstat_stop_status): Add special case for bp_shlib_event.
	(handle_solib_event): New function.
	(bpstat_what): Use handle_solib_event.
	(struct solib_catchpoint): New.
	(dtor_catch_solib, insert_catch_solib, remove_catch_solib)
	(breakpoint_hit_catch_solib, check_status_catch_solib)
	(print_it_catch_solib, print_one_catch_solib)
	(print_mention_catch_solib, print_recreate_catch_solib): New
	functions.
	(catch_solib_breakpoint_ops): New global.
	(catch_load_or_unload, catch_load_command_1)
	(catch_unload_command_1): New functions.
	(internal_bkpt_check_status): Add special case for
	bp_shlib_event.
	(internal_bkpt_print_it): Use print_solib_event.
	(initialize_breakpoint_ops): Initialize
	catch_solib_breakpoint_ops.
	(_initialize_breakpoint): Register "catch load" and "catch
	unload".
	* breakpoint.h (handle_solib_event): Declare.
	* NEWS: Add entry for "catch load" and "catch unload".
gdb/doc
	* gdb.texinfo (Set Catchpoints): Document "catch load" and "catch
	unload".
	(Files): Mention new catch commands.
	(GDB/MI Async Records): Likewise.
gdb/testsuite
	* lib/mi-support.exp (mi_expect_stop): Add special case for
	solib-event.
	* gdb.base/catch-load-so.c: New file.
	* gdb.base/catch-load.exp: New file.
	* gdb.base/catch-load.c: New file.
	* gdb.base/break-interp.exp (reach_1): Update regexp.
This commit is contained in:
Tom Tromey
2012-01-24 21:39:18 +00:00
parent fa86499982
commit edcc512082
16 changed files with 714 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
gdb/infrun.c
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@ -3316,28 +3316,32 @@ handle_inferior_event (struct execution_control_state *ecs)
established. */
if (stop_soon == NO_STOP_QUIETLY)
{
/* Check for any newly added shared libraries if we're
supposed to be adding them automatically. Switch
terminal for any messages produced by
breakpoint_re_set. */
target_terminal_ours_for_output ();
/* NOTE: cagney/2003-11-25: Make certain that the target
stack's section table is kept up-to-date. Architectures,
(e.g., PPC64), use the section table to perform
operations such as address => section name and hence
require the table to contain all sections (including
those found in shared libraries). */
#ifdef SOLIB_ADD
SOLIB_ADD (NULL, 0, &current_target, auto_solib_add);
#else
solib_add (NULL, 0, &current_target, auto_solib_add);
#endif
target_terminal_inferior ();
struct regcache *regcache;
if (!ptid_equal (ecs->ptid, inferior_ptid))
context_switch (ecs->ptid);
regcache = get_thread_regcache (ecs->ptid);
handle_solib_event ();
ecs->event_thread->control.stop_bpstat
= bpstat_stop_status (get_regcache_aspace (regcache),
stop_pc, ecs->ptid, &ecs->ws);
ecs->random_signal
= !bpstat_explains_signal (ecs->event_thread->control.stop_bpstat);
if (!ecs->random_signal)
{
/* A catchpoint triggered. */
ecs->event_thread->suspend.stop_signal = TARGET_SIGNAL_TRAP;
goto process_event_stop_test;
}
/* If requested, stop when the dynamic linker notifies
gdb of events. This allows the user to get control
and place breakpoints in initializer routines for
dynamically loaded objects (among other things). */
ecs->event_thread->suspend.stop_signal = TARGET_SIGNAL_0;
if (stop_on_solib_events)
{
/* Make sure we print "Stopped due to solib-event" in
@ -3347,9 +3351,6 @@ handle_inferior_event (struct execution_control_state *ecs)
stop_stepping (ecs);
return;
}
/* NOTE drow/2007-05-11: This might be a good place to check
for "catch load". */
}
/* If we are skipping through a shell, or through shared library