error (_("No breakpoint number %d."), bnum);
}
-/* Set the command list of B to COMMANDS. */
+/* Check that COMMAND do not contain commands that are suitable
+ only for tracepoints and not suitable for ordinary breakpoints.
+ Throw if any such commands is found.
+*/
+static void
+check_no_tracepoint_commands (struct command_line *commands)
+{
+ struct command_line *c;
+ for (c = commands; c; c = c->next)
+ {
+ int i;
+
+ if (c->control_type == while_stepping_control)
+ error (_("The 'while-stepping' command can only be used for tracepoints"));
+
+ for (i = 0; i < c->body_count; ++i)
+ check_no_tracepoint_commands ((c->body_list)[i]);
+
+ /* Not that command parsing removes leading whitespace and comment
+ lines and also empty lines. So, we only need to check for
+ command directly. */
+ if (strstr (c->line, "collect ") == c->line)
+ error (_("The 'collect' command can only be used for tracepoints"));
+
+ if (strstr (c->line, "eval ") == c->line)
+ error (_("The 'eval' command can only be used for tracepoints"));
+ }
+}
+
+int
+breakpoint_is_tracepoint (const struct breakpoint *b)
+{
+ switch (b->type)
+ {
+ case bp_tracepoint:
+ case bp_fast_tracepoint:
+ return 1;
+ default:
+ return 0;
+
+ }
+}
+
+/* Set the command list of B to COMMANDS. If breakpoint is tracepoint,
+ validate that only allowed commands are included.
+*/
void
breakpoint_set_commands (struct breakpoint *b, struct command_line *commands)
{
+ if (breakpoint_is_tracepoint (b))
+ {
+ /* We need to verify that each top-level element of commands
+ is valid for tracepoints, that there's at most one while-stepping
+ element, and that while-stepping's body has valid tracing commands
+ excluding nested while-stepping. */
+ struct command_line *c;
+ struct command_line *while_stepping = 0;
+ for (c = commands; c; c = c->next)
+ {
+ char *l = c->line;
+ if (c->control_type == while_stepping_control)
+ {
+ if (b->type == bp_fast_tracepoint)
+ error (_("The 'while-stepping' command cannot be used for fast tracepoint"));
+
+ if (while_stepping)
+ error (_("The 'while-stepping' command can be used only once"));
+ else
+ while_stepping = c;
+ }
+ }
+ if (while_stepping)
+ {
+ struct command_line *c2;
+
+ gdb_assert (while_stepping->body_count == 1);
+ c2 = while_stepping->body_list[0];
+ for (; c2; c2 = c2->next)
+ {
+ char *l = c2->line;
+ if (c2->control_type == while_stepping_control)
+ error (_("The 'while-stepping' command cannot be nested"));
+ }
+ }
+ }
+ else
+ {
+ check_no_tracepoint_commands (commands);
+ }
+
free_command_lines (&b->commands);
b->commands = commands;
breakpoints_changed ();
observer_notify_breakpoint_modified (b->number);
}
+void check_tracepoint_command (char *line, void *closure)
+{
+ struct breakpoint *b = closure;
+ validate_actionline (&line, b);
+}
+
static void
commands_command (char *arg, int from_tty)
{
char *tmpbuf = xstrprintf ("Type commands for when breakpoint %d is hit, one per line.",
bnum);
struct cleanup *cleanups = make_cleanup (xfree, tmpbuf);
- l = read_command_lines (tmpbuf, from_tty, 1);
+
+ if (breakpoint_is_tracepoint (b))
+ l = read_command_lines (tmpbuf, from_tty, 1,
+ check_tracepoint_command, b);
+ else
+ l = read_command_lines (tmpbuf, from_tty, 1, 0, 0);
do_cleanups (cleanups);
breakpoint_set_commands (b, l);
return;
ui_out_text (uiout, " \n");
}
- if (!part_of_multiple && b->step_count)
- {
- annotate_field (11);
- ui_out_text (uiout, "\tstep count ");
- ui_out_field_int (uiout, "step", b->step_count);
- ui_out_text (uiout, " \n");
- }
-
- if (!part_of_multiple && b->actions)
- {
- struct action_line *action;
- annotate_field (12);
- for (action = b->actions; action; action = action->next)
- {
- ui_out_text (uiout, " A\t");
- ui_out_text (uiout, action->action);
- ui_out_text (uiout, "\n");
- }
- }
-
if (ui_out_is_mi_like_p (uiout) && !part_of_multiple)
{
if (b->addr_string)
{
struct breakpoint *tp;
int any_tp = 0;
- struct action_line *line;
- FILE *fp;
- char *i1 = " ", *i2 = " ";
- char *indent, *actionline, *pathname;
+ struct command_line *line;
+ char *pathname;
char tmp[40];
struct cleanup *cleanup;
+ struct ui_file *fp;
if (args == 0 || *args == 0)
error (_("Argument required (file name in which to save tracepoints)"));
pathname = tilde_expand (args);
cleanup = make_cleanup (xfree, pathname);
- fp = fopen (pathname, "w");
+ fp = gdb_fopen (pathname, "w");
if (!fp)
error (_("Unable to open file '%s' for saving tracepoints (%s)"),
args, safe_strerror (errno));
- make_cleanup_fclose (fp);
+ make_cleanup_ui_file_delete (fp);
ALL_TRACEPOINTS (tp)
{
if (tp->addr_string)
- fprintf (fp, "trace %s\n", tp->addr_string);
+ fprintf_unfiltered (fp, "trace %s\n", tp->addr_string);
else
{
sprintf_vma (tmp, tp->loc->address);
- fprintf (fp, "trace *0x%s\n", tmp);
+ fprintf_unfiltered (fp, "trace *0x%s\n", tmp);
}
if (tp->pass_count)
- fprintf (fp, " passcount %d\n", tp->pass_count);
+ fprintf_unfiltered (fp, " passcount %d\n", tp->pass_count);
- if (tp->actions)
+ if (tp->commands)
{
- fprintf (fp, " actions\n");
- indent = i1;
- for (line = tp->actions; line; line = line->next)
+ volatile struct gdb_exception ex;
+
+ fprintf_unfiltered (fp, " actions\n");
+
+ ui_out_redirect (uiout, fp);
+ TRY_CATCH (ex, RETURN_MASK_ERROR)
{
- struct cmd_list_element *cmd;
+ print_command_lines (uiout, tp->commands, 2);
+ }
+ ui_out_redirect (uiout, NULL);
- QUIT; /* allow user to bail out with ^C */
- actionline = line->action;
- while (isspace ((int) *actionline))
- actionline++;
+ if (ex.reason < 0)
+ throw_exception (ex);
- fprintf (fp, "%s%s\n", indent, actionline);
- if (*actionline != '#') /* skip for comment lines */
- {
- cmd = lookup_cmd (&actionline, cmdlist, "", -1, 1);
- if (cmd == 0)
- error (_("Bad action list item: %s"), actionline);
- if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand))
- indent = i2;
- else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand))
- indent = i1;
- }
- }
+ fprintf_unfiltered (fp, " end\n");
}
}
do_cleanups (cleanup);
projects / deliverable / binutils-gdb.git / blobdiff