/* Everything about breakpoints, for GDB.
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
- 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of GDB.
static int get_number_trailer (char **, int);
-static int do_captured_parse_breakpoint (struct ui_out *, void *);
-
void set_breakpoint_count (int);
typedef enum
unloaded. */
#ifndef SOLIB_CREATE_CATCH_UNLOAD_HOOK
-#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \
+#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid, tempflag, filename, cond_string) \
error ("catch of library unloads not yet implemented on this platform")
#endif
\f
/* A wrapper function for inserting catchpoints. */
-static int
+static void
insert_catchpoint (struct ui_out *uo, void *args)
{
struct breakpoint *b = (struct breakpoint *) args;
if (val < 0)
throw_reason (RETURN_ERROR);
-
- return 0;
}
/* Helper routine: free the value chain for a breakpoint (watchpoint). */
|| bpt->owner->type == bp_catch_vfork
|| bpt->owner->type == bp_catch_exec)
{
- char *prefix = xstrprintf ("warning: inserting catchpoint %d: ",
- bpt->owner->number);
- struct cleanup *cleanups = make_cleanup (xfree, prefix);
- val = catch_exceptions (uiout, insert_catchpoint, bpt->owner, prefix,
- RETURN_MASK_ERROR);
- do_cleanups (cleanups);
- if (val < 0)
+ struct exception e = catch_exception (uiout, insert_catchpoint,
+ bpt->owner, RETURN_MASK_ERROR);
+ exception_fprintf (gdb_stderr, e, "warning: inserting catchpoint %d: ",
+ bpt->owner->number);
+ if (e.reason < 0)
bpt->owner->enable_state = bp_disabled;
else
bpt->inserted = 1;
/* For the moment we don't trust print_one_breakpoint() to not throw
an error. */
return catch_exceptions_with_msg (uiout, do_captured_breakpoint_query, &args,
- NULL, error_message, RETURN_MASK_ALL);
+ error_message, RETURN_MASK_ALL);
}
/* Return non-zero if B is user settable (breakpoints, watchpoints,
char **canonical = (char **) NULL;
int thread = -1; /* All threads. */
- /* Set a breakpoint on the specified hook. */
- sals = decode_line_1 (&hookname, 1, (struct symtab *) NULL, 0, &canonical, NULL);
+ /* Set a breakpoint on the specified hook. */
+ sals = decode_line_1 (&hookname, 1, (struct symtab *) NULL,
+ 0, &canonical, NULL);
addr_end = hookname;
if (sals.nelts == 0)
create_solib_unload_event_breakpoint (char *hookname, int tempflag,
char *dll_pathname, char *cond_string)
{
- solib_load_unload_1 (hookname,tempflag, dll_pathname,
+ solib_load_unload_1 (hookname, tempflag, dll_pathname,
cond_string, bp_catch_unload);
}
}
}
-static int
+static void
do_captured_parse_breakpoint (struct ui_out *ui, void *data)
{
struct captured_parse_breakpoint_args *args = data;
parse_breakpoint_sals (args->arg_p, args->sals_p, args->addr_string_p,
args->not_found_ptr);
-
- return GDB_RC_OK;
}
/* Set a breakpoint according to ARG (function, linenum or *address)
static int
break_command_1 (char *arg, int flag, int from_tty, struct breakpoint *pending_bp)
{
+ struct exception e;
int tempflag, hardwareflag;
struct symtabs_and_lines sals;
struct expression **cond = 0;
struct cleanup *old_chain;
struct cleanup *breakpoint_chain = NULL;
struct captured_parse_breakpoint_args parse_args;
- int i, rc;
+ int i;
int pending = 0;
int thread = -1;
int ignore_count = 0;
parse_args.addr_string_p = &addr_string;
parse_args.not_found_ptr = ¬_found;
- rc = catch_exceptions_with_msg (uiout, do_captured_parse_breakpoint,
- &parse_args, NULL, &err_msg,
- RETURN_MASK_ALL);
+ e = catch_exception (uiout, do_captured_parse_breakpoint,
+ &parse_args, RETURN_MASK_ALL);
/* If caller is interested in rc value from parse, set value. */
-
- if (rc != GDB_RC_OK)
+ switch (e.reason)
{
- /* Check for file or function not found. */
- if (not_found)
+ case RETURN_QUIT:
+ exception_print (gdb_stderr, e);
+ return e.reason;
+ case RETURN_ERROR:
+ switch (e.error)
{
- /* If called to resolve pending breakpoint, just return error code. */
+ case NOT_FOUND_ERROR:
+ /* If called to resolve pending breakpoint, just return
+ error code. */
if (pending_bp)
- {
- xfree (err_msg);
- return rc;
- }
+ return e.reason;
- error_output_message (NULL, err_msg);
- xfree (err_msg);
+ exception_print (gdb_stderr, e);
- /* If pending breakpoint support is turned off, throw error. */
+ /* If pending breakpoint support is turned off, throw
+ error. */
if (pending_break_support == AUTO_BOOLEAN_FALSE)
throw_reason (RETURN_ERROR);
- /* If pending breakpoint support is auto query and the user selects
- no, then simply return the error code. */
+ /* If pending breakpoint support is auto query and the user
+ selects no, then simply return the error code. */
if (pending_break_support == AUTO_BOOLEAN_AUTO &&
!nquery ("Make breakpoint pending on future shared library load? "))
- return rc;
+ return e.reason;
- /* At this point, either the user was queried about setting a
- pending breakpoint and selected yes, or pending breakpoint
- behavior is on and thus a pending breakpoint is defaulted
- on behalf of the user. */
+ /* At this point, either the user was queried about setting
+ a pending breakpoint and selected yes, or pending
+ breakpoint behavior is on and thus a pending breakpoint
+ is defaulted on behalf of the user. */
copy_arg = xstrdup (addr_start);
addr_string = ©_arg;
sals.nelts = 1;
sals.sals = &pending_sal;
pending_sal.pc = 0;
pending = 1;
+ break;
+ default:
+ exception_print (gdb_stderr, e);
+ return e.reason;
}
- else
- {
- xfree (err_msg);
- return rc;
- }
+ default:
+ if (!sals.nelts)
+ return GDB_RC_FAIL;
}
- else if (!sals.nelts)
- return GDB_RC_FAIL;
/* Create a chain of things that always need to be cleaned up. */
old_chain = make_cleanup (null_cleanup, 0);
args.thread = thread;
args.ignore_count = ignore_count;
return catch_exceptions_with_msg (uiout, do_captured_breakpoint, &args,
- NULL, error_message, RETURN_MASK_ALL);
+ error_message, RETURN_MASK_ALL);
}
A real solution to this problem might involve reference counts in bp's,
and/or giving them pointers back to their referencing bpstat's, and
teaching delete_breakpoint to only free a bp's storage when no more
- references were extent. A cheaper bandaid was chosen. */
+ references were extent. A cheaper bandaid was chosen. */
if (bpt->type == bp_none)
return;
isn't actually running. target_enable_exception_callback for a
null target ops vector gives an undesirable error message, so we
check here and avoid it. Since currently (1997-09-17) only HP-UX aCC's
- exceptions are supported in this way, it's OK for now. FIXME */
+ exceptions are supported in this way, it's OK for now. FIXME */
if (ep_is_exception_catchpoint (bpt) && target_has_execution)
{
/* Format possible error msg */
/* The enable command enables the specified breakpoints (or all defined
breakpoints) so they once again become (or continue to be) effective
- in stopping the inferior. */
+ in stopping the inferior. */
static void
enable_command (char *args, int from_tty)
projects / deliverable / binutils-gdb.git / blobdiff