int
ep_is_catchpoint (struct breakpoint *ep)
{
- return (ep->type == bp_catchpoint)
- || (ep->type == bp_catch_load)
- || (ep->type == bp_catch_unload);
-
- /* ??rehrauer: Add more kinds here, as are implemented... */
-}
-
-int
-ep_is_shlib_catchpoint (struct breakpoint *ep)
-{
- return
- (ep->type == bp_catch_load)
- || (ep->type == bp_catch_unload);
+ return (ep->type == bp_catchpoint);
}
void
return PRINT_NOTHING;
break;
- case bp_catch_load:
- annotate_catchpoint (b->number);
- printf_filtered (_("\nCatchpoint %d (loaded %s), "),
- b->number,
- b->triggered_dll_pathname);
- return PRINT_SRC_AND_LOC;
- break;
-
- case bp_catch_unload:
- annotate_catchpoint (b->number);
- printf_filtered (_("\nCatchpoint %d (unloaded %s), "),
- b->number,
- b->triggered_dll_pathname);
- return PRINT_SRC_AND_LOC;
- break;
-
case bp_watchpoint:
case bp_hardware_watchpoint:
annotate_watchpoint (b->number);
return 0;
}
- /* Is this a catchpoint of a load or unload? If so, did we
- get a load or unload of the specified library? If not,
- ignore it. */
- if ((b->type == bp_catch_load)
-#if defined(SOLIB_HAVE_LOAD_EVENT)
- && (!SOLIB_HAVE_LOAD_EVENT (PIDGET (inferior_ptid))
- || ((b->dll_pathname != NULL)
- && (strcmp (b->dll_pathname,
- SOLIB_LOADED_LIBRARY_PATHNAME (
- PIDGET (inferior_ptid)))
- != 0)))
-#endif
- )
- return 0;
-
- if ((b->type == bp_catch_unload)
-#if defined(SOLIB_HAVE_UNLOAD_EVENT)
- && (!SOLIB_HAVE_UNLOAD_EVENT (PIDGET (inferior_ptid))
- || ((b->dll_pathname != NULL)
- && (strcmp (b->dll_pathname,
- SOLIB_UNLOADED_LIBRARY_PATHNAME (
- PIDGET (inferior_ptid)))
- != 0)))
-#endif
- )
- return 0;
-
if (b->type == bp_catchpoint)
{
gdb_assert (b->ops != NULL && b->ops->breakpoint_hit != NULL);
case bp_overlay_event:
bs_class = bp_nostop;
break;
- case bp_catch_load:
- case bp_catch_unload:
- /* Only if this catchpoint triggered should we cause the
- step-out-of-dld behaviour. Otherwise, we ignore this
- catchpoint. */
- if (bs->stop)
- bs_class = catch_shlib_event;
- else
- bs_class = no_effect;
- break;
case bp_catchpoint:
if (bs->stop)
{
\f
-/* Given a bpstat that records zero or more triggered eventpoints, this
- function returns another bpstat which contains only the catchpoints
- on that first list, if any. */
-void
-bpstat_get_triggered_catchpoints (bpstat ep_list, bpstat *cp_list)
-{
- struct bpstats root_bs[1];
- bpstat bs = root_bs;
- struct breakpoint *ep;
- char *dll_pathname;
-
- bpstat_clear (cp_list);
- root_bs->next = NULL;
-
- for (; ep_list != NULL; ep_list = ep_list->next)
- {
- /* Is this eventpoint a catchpoint? If not, ignore it. */
- ep = ep_list->breakpoint_at->owner;
- if (ep == NULL)
- break;
- if ((ep->type != bp_catch_load) &&
- (ep->type != bp_catch_unload))
- /* pai: (temp) ADD fork/vfork here!! */
- continue;
-
- /* Yes; add it to the list. */
- bs = bpstat_alloc (ep_list->breakpoint_at, bs);
- *bs = *ep_list;
- bs->next = NULL;
- bs = root_bs->next;
-
-#if defined(SOLIB_ADD)
- /* Also, for each triggered catchpoint, tag it with the name of
- the library that caused this trigger. (We copy the name now,
- because it's only guaranteed to be available NOW, when the
- catchpoint triggers. Clients who may wish to know the name
- later must get it from the catchpoint itself.) */
- if (ep->triggered_dll_pathname != NULL)
- xfree (ep->triggered_dll_pathname);
- if (ep->type == bp_catch_load)
- dll_pathname = SOLIB_LOADED_LIBRARY_PATHNAME (
- PIDGET (inferior_ptid));
- else
- dll_pathname = SOLIB_UNLOADED_LIBRARY_PATHNAME (
- PIDGET (inferior_ptid));
-#else
- dll_pathname = NULL;
-#endif
- if (dll_pathname)
- {
- ep->triggered_dll_pathname = (char *)
- xmalloc (strlen (dll_pathname) + 1);
- strcpy (ep->triggered_dll_pathname, dll_pathname);
- }
- else
- ep->triggered_dll_pathname = NULL;
- }
-
- *cp_list = bs;
-}
-
static void print_breakpoint_location (struct breakpoint *b,
struct bp_location *loc,
char *wrap_indent,
{bp_thread_event, "thread events"},
{bp_overlay_event, "overlay events"},
{bp_catchpoint, "catchpoint"},
- {bp_catch_load, "catch load"},
- {bp_catch_unload, "catch unload"}
};
static char bpenables[] = "nynny";
ui_out_field_stream (uiout, "what", stb);
break;
- case bp_catch_load:
- case bp_catch_unload:
- /* Field 4, the address, is omitted (which makes the columns
- not line up too nicely with the headers, but the effect
- is relatively readable). */
- if (opts.addressprint)
- ui_out_field_skip (uiout, "addr");
- annotate_field (5);
- if (b->dll_pathname == NULL)
- {
- ui_out_field_string (uiout, "what", "<any library>");
- ui_out_spaces (uiout, 1);
- }
- else
- {
- ui_out_text (uiout, "library \"");
- ui_out_field_string (uiout, "what", b->dll_pathname);
- ui_out_text (uiout, "\" ");
- }
- break;
-
case bp_breakpoint:
case bp_hardware_breakpoint:
case bp_until:
{
return (b->type == bp_breakpoint
|| b->type == bp_catchpoint
- || b->type == bp_catch_load
- || b->type == bp_catch_unload
|| b->type == bp_hardware_breakpoint
|| b->type == bp_watchpoint
|| b->type == bp_read_watchpoint
case bp_shlib_event:
case bp_thread_event:
case bp_overlay_event:
- case bp_catch_load:
- case bp_catch_unload:
loc->loc_type = bp_loc_software_breakpoint;
break;
case bp_hardware_breakpoint:
b->ignore_count = 0;
b->commands = NULL;
b->frame_id = null_frame_id;
- b->dll_pathname = NULL;
- b->triggered_dll_pathname = NULL;
b->forked_inferior_pid = null_ptid;
b->exec_pathname = NULL;
b->ops = NULL;
printf_filtered (_("Hardware assisted breakpoint %d"), b->number);
say_where = 1;
break;
- case bp_catch_load:
- case bp_catch_unload:
- printf_filtered (_("Catchpoint %d (%s %s)"),
- b->number,
- (b->type == bp_catch_load) ? "load" : "unload",
- (b->dll_pathname != NULL) ?
- b->dll_pathname : "<any library>");
- break;
case bp_until:
case bp_finish:
create_catchpoint (tempflag, cond_string, &catch_exec_breakpoint_ops);
}
-static void
-catch_load_command_1 (char *arg, int from_tty, struct cmd_list_element *command)
-{
- int tempflag;
- char *dll_pathname = NULL;
- char *cond_string = NULL;
-
- tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
-
- if (!arg)
- arg = "";
- ep_skip_leading_whitespace (&arg);
-
- /* The allowed syntax is:
- catch load
- catch load if <cond>
- catch load <filename>
- catch load <filename> if <cond>
-
- The user is not allowed to specify the <filename> after an
- if clause.
-
- We'll ignore the pathological case of a file named "if".
-
- First, check if there's an if clause. If so, then there
- cannot be a filename. */
- cond_string = ep_parse_optional_if_clause (&arg);
-
- /* If there was an if clause, then there cannot be a filename.
- Else, there might be a filename and an if clause. */
- if (cond_string == NULL)
- {
- dll_pathname = ep_parse_optional_filename (&arg);
- ep_skip_leading_whitespace (&arg);
- cond_string = ep_parse_optional_if_clause (&arg);
- }
-
- if ((*arg != '\0') && !isspace (*arg))
- error (_("Junk at end of arguments."));
-
- /* Create a load breakpoint that only triggers when a load of
- the specified dll (or any dll, if no pathname was specified)
- occurs. */
- SOLIB_CREATE_CATCH_LOAD_HOOK (PIDGET (inferior_ptid), tempflag,
- dll_pathname, cond_string);
-}
-
-static void
-catch_unload_command_1 (char *arg, int from_tty,
- struct cmd_list_element *command)
-{
- int tempflag;
- char *dll_pathname = NULL;
- char *cond_string = NULL;
-
- tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
-
- if (!arg)
- arg = "";
- ep_skip_leading_whitespace (&arg);
-
- /* The allowed syntax is:
- catch unload
- catch unload if <cond>
- catch unload <filename>
- catch unload <filename> if <cond>
-
- The user is not allowed to specify the <filename> after an
- if clause.
-
- We'll ignore the pathological case of a file named "if".
-
- First, check if there's an if clause. If so, then there
- cannot be a filename. */
- cond_string = ep_parse_optional_if_clause (&arg);
-
- /* If there was an if clause, then there cannot be a filename.
- Else, there might be a filename and an if clause. */
- if (cond_string == NULL)
- {
- dll_pathname = ep_parse_optional_filename (&arg);
- ep_skip_leading_whitespace (&arg);
- cond_string = ep_parse_optional_if_clause (&arg);
- }
-
- if ((*arg != '\0') && !isspace (*arg))
- error (_("Junk at end of arguments."));
-
- /* Create an unload breakpoint that only triggers when an unload of
- the specified dll (or any dll, if no pathname was specified)
- occurs. */
- SOLIB_CREATE_CATCH_UNLOAD_HOOK (PIDGET (inferior_ptid), tempflag,
- dll_pathname, cond_string);
-}
-
static enum print_stop_action
print_exception_catchpoint (struct breakpoint *b)
{
value_free (bpt->val);
if (bpt->source_file != NULL)
xfree (bpt->source_file);
- if (bpt->dll_pathname != NULL)
- xfree (bpt->dll_pathname);
- if (bpt->triggered_dll_pathname != NULL)
- xfree (bpt->triggered_dll_pathname);
if (bpt->exec_pathname != NULL)
xfree (bpt->exec_pathname);
return 0;
case bp_breakpoint:
case bp_hardware_breakpoint:
- case bp_catch_load:
- case bp_catch_unload:
if (b->addr_string == NULL)
{
/* Anything without a string can't be re-set. */
continue;
case bp_breakpoint:
case bp_catchpoint:
- case bp_catch_load:
- case bp_catch_unload:
case bp_hardware_breakpoint:
case bp_watchpoint:
case bp_hardware_watchpoint:
continue;
case bp_breakpoint:
case bp_catchpoint:
- case bp_catch_load:
- case bp_catch_unload:
case bp_hardware_breakpoint:
case bp_watchpoint:
case bp_hardware_watchpoint:
catch_exec_command_1,
CATCH_PERMANENT,
CATCH_TEMPORARY);
- add_catch_command ("load", _("\
-Catch library loads.\n\
-With an argument, catch only loads of that library."),
- catch_load_command_1,
- CATCH_PERMANENT,
- CATCH_TEMPORARY);
- add_catch_command ("unload", _("\
-Catch library unloads.\n\
-With an argument, catch only unloads of that library."),
- catch_unload_command_1,
- CATCH_PERMANENT,
- CATCH_TEMPORARY);
add_catch_command ("exception", _("\
Catch Ada exceptions, when raised.\n\
With an argument, catch only exceptions with the given name."),
projects / binutils-gdb.git / commitdiff