diff options
Diffstat (limited to 'gdb/event-top.c')
| -rw-r--r-- | gdb/event-top.c | 103 |
1 files changed, 88 insertions, 15 deletions
diff --git a/gdb/event-top.c b/gdb/event-top.c index 223e670..91b6389 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -35,15 +35,16 @@ extern void _initialize_event_loop PARAMS ((void)); static void command_line_handler PARAMS ((char *)); +static void command_line_handler_continuation PARAMS ((struct continuation_arg *)); void gdb_readline2 PARAMS ((void)); -static void pop_prompt PARAMS ((void)); -static void push_prompt PARAMS ((char *, char *, char *)); +void pop_prompt PARAMS ((void)); +void push_prompt PARAMS ((char *, char *, char *)); static void change_line_handler PARAMS ((void)); static void change_annotation_level PARAMS ((void)); static void command_handler PARAMS ((char *)); /* Signal handlers. */ -static void handle_sigint PARAMS ((int)); +void handle_sigint PARAMS ((int)); static void handle_sigquit PARAMS ((int)); static void handle_sighup PARAMS ((int)); static void handle_sigfpe PARAMS ((int)); @@ -331,7 +332,7 @@ change_annotation_level () parts: prefix, prompt, suffix. Usually prefix and suffix are empty strings, except when the annotation level is 2. Memory is allocated within savestring for the new prompt. */ -static void +void push_prompt (prefix, prompt, suffix) char *prefix; char *prompt; @@ -340,6 +341,9 @@ push_prompt (prefix, prompt, suffix) the_prompts.top++; PREFIX (0) = savestring (prefix, strlen (prefix)); + /* Note that this function is used by the set annotate 2 + command. This is why we take care of saving the old prompt + in case a new one is not specified. */ if (prompt) PROMPT (0) = savestring (prompt, strlen (prompt)); else @@ -349,14 +353,21 @@ push_prompt (prefix, prompt, suffix) } /* Pops the top of the prompt stack, and frees the memory allocated for it. */ -static void +void pop_prompt () { - if (strcmp (PROMPT (0), PROMPT (-1))) - { - free (PROMPT (-1)); - PROMPT (-1) = savestring (PROMPT (0), strlen (PROMPT (0))); - } + /* If we are not during a 'synchronous' execution command, in which + case, the top prompt would be empty. */ + if (strcmp (PROMPT (0), "")) + /* This is for the case in which the prompt is set while the + annotation level is 2. The top prompt will be changed, but when + we return to annotation level < 2, we want that new prompt to be + in effect, until the user does another 'set prompt'. */ + if (strcmp (PROMPT (0), PROMPT (-1))) + { + free (PROMPT (-1)); + PROMPT (-1) = savestring (PROMPT (0), strlen (PROMPT (0))); + } free (PREFIX (0)); free (PROMPT (0)); @@ -376,6 +387,8 @@ command_handler (command) { struct cleanup *old_chain; int stdin_is_tty = ISATTY (stdin); + struct continuation_arg *arg1; + struct continuation_arg *arg2; long time_at_cmd_start; #ifdef HAVE_SBRK long space_at_cmd_start = 0; @@ -416,11 +429,72 @@ command_handler (command) } execute_command (command, instream == stdin); + + /* Set things up for this function to be compete later, once the + executin has completed, if we are doing an execution command, + otherwise, just go ahead and finish. */ + if (target_has_async && target_executing) + { + arg1 = + (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); + arg2 = + (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); + arg1->next = arg2; + arg2->next = NULL; + arg1->data = (PTR) time_at_cmd_start; + arg2->data = (PTR) space_at_cmd_start; + add_continuation (command_line_handler_continuation, arg1); + } - /* Do any commands attached to breakpoint we stopped at. */ - bpstat_do_actions (&stop_bpstat); - do_cleanups (old_chain); + /* Do any commands attached to breakpoint we stopped at. Only if we + are always running synchronously. Or if we have just executed a + command that doesn't start the target. */ + if (!target_has_async || !target_executing) + { + bpstat_do_actions (&stop_bpstat); + do_cleanups (old_chain); + + if (display_time) + { + long cmd_time = get_run_time () - time_at_cmd_start; + printf_unfiltered ("Command execution time: %ld.%06ld\n", + cmd_time / 1000000, cmd_time % 1000000); + } + + if (display_space) + { +#ifdef HAVE_SBRK + extern char **environ; + char *lim = (char *) sbrk (0); + long space_now = lim - (char *) &environ; + long space_diff = space_now - space_at_cmd_start; + + printf_unfiltered ("Space used: %ld (%c%ld for this command)\n", + space_now, + (space_diff >= 0 ? '+' : '-'), + space_diff); +#endif + } + } +} + +/* Do any commands attached to breakpoint we stopped at. Only if we + are always running synchronously. Or if we have just executed a + command that doesn't start the target. */ +void +command_line_handler_continuation (arg) + struct continuation_arg *arg; +{ + extern int display_time; + extern int display_space; + + long time_at_cmd_start = (long) arg->data; + long space_at_cmd_start = (long) arg->next->data; + + bpstat_do_actions (&stop_bpstat); + /*do_cleanups (old_chain);*/ /*?????FIXME?????*/ + if (display_time) { long cmd_time = get_run_time () - time_at_cmd_start; @@ -428,7 +502,6 @@ command_handler (command) printf_unfiltered ("Command execution time: %ld.%06ld\n", cmd_time / 1000000, cmd_time % 1000000); } - if (display_space) { #ifdef HAVE_SBRK @@ -797,7 +870,7 @@ mark_async_signal_handler_wrapper (token) /* Tell the event loop what to do if SIGINT is received. See event-signal.c. */ -static void +void handle_sigint (sig) int sig; { |