diff options
| -rw-r--r-- | gdb/ChangeLog | 16 | ||||
| -rw-r--r-- | gdb/breakpoint.c | 4 | ||||
| -rw-r--r-- | gdb/defs.h | 2 | ||||
| -rw-r--r-- | gdb/exceptions.c | 4 | ||||
| -rw-r--r-- | gdb/inf-loop.c | 4 | ||||
| -rw-r--r-- | gdb/infrun.c | 4 | ||||
| -rw-r--r-- | gdb/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/commands.exp | 69 | ||||
| -rw-r--r-- | gdb/top.c | 6 | ||||
| -rw-r--r-- | gdb/utils.c | 17 |
10 files changed, 125 insertions, 6 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e4dfe8ab394..df070d7e631 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,19 @@ +2011-08-26 Jan Kratochvil <jan.kratochvil@redhat.com> + + * breakpoint.c (bpstat_do_actions): New variable cleanup_if_error, call + make_bpstat_clear_actions_cleanup and discard_cleanups for it. + * defs.h (make_bpstat_clear_actions_cleanup): New declaration. + * exceptions.c (throw_exception): Remove the bpstat_clear_actions call. + * inf-loop.c (inferior_event_handler): New variable cleanup_if_error, + call make_bpstat_clear_actions_cleanup and discard_cleanups for it. + Call bpstat_clear_actions for failed fetch_inferior_event_wrapper. + * infrun.c (fetch_inferior_event): Call + make_bpstat_clear_actions_cleanup. + * top.c (execute_command): New variable cleanup_if_error, call + make_bpstat_clear_actions_cleanup and discard_cleanups for it. + * utils.c (do_bpstat_clear_actions_cleanup) + (make_bpstat_clear_actions_cleanup): New functions. + 2011-08-26 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (linux_child_follow_fork): Don't set lp->resumed on diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index 6ccdb6d015f..8c5b6e5c9ca 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -3352,6 +3352,8 @@ bpstat_do_actions_1 (bpstat *bsp) void bpstat_do_actions (void) { + struct cleanup *cleanup_if_error = make_bpstat_clear_actions_cleanup (); + /* Do any commands attached to breakpoint we are stopped at. */ while (!ptid_equal (inferior_ptid, null_ptid) && target_has_execution @@ -3363,6 +3365,8 @@ bpstat_do_actions (void) indicate the inferior was not resumed. */ if (!bpstat_do_actions_1 (&inferior_thread ()->control.stop_bpstat)) break; + + discard_cleanups (cleanup_if_error); } /* Print out the (old or new) value associated with a watchpoint. */ diff --git a/gdb/defs.h b/gdb/defs.h index eaf9c2a5f37..d31e0194e34 100644 --- a/gdb/defs.h +++ b/gdb/defs.h @@ -429,6 +429,8 @@ extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching); extern int parse_pid_to_attach (char *args); +extern struct cleanup *make_bpstat_clear_actions_cleanup (void); + /* From demangle.c */ extern void set_demangling_style (char *); diff --git a/gdb/exceptions.c b/gdb/exceptions.c index e9fdb265553..b9c96beedd8 100644 --- a/gdb/exceptions.c +++ b/gdb/exceptions.c @@ -210,10 +210,6 @@ throw_exception (struct gdb_exception exception) quit_flag = 0; immediate_quit = 0; - /* Perhaps it would be cleaner to do this via the cleanup chain (not sure - I can think of a reason why that is vital, though). */ - bpstat_clear_actions (); - do_cleanups (ALL_CLEANUPS); /* Jump to the containing catch_errors() call, communicating REASON diff --git a/gdb/inf-loop.c b/gdb/inf-loop.c index f86b806f37c..3cc2fbab9aa 100644 --- a/gdb/inf-loop.c +++ b/gdb/inf-loop.c @@ -42,6 +42,7 @@ inferior_event_handler (enum inferior_event_type event_type, { struct gdb_exception e; int was_sync = 0; + struct cleanup *cleanup_if_error = make_bpstat_clear_actions_cleanup (); switch (event_type) { @@ -53,6 +54,7 @@ inferior_event_handler (enum inferior_event_type event_type, if (!catch_errors (fetch_inferior_event_wrapper, client_data, "", RETURN_MASK_ALL)) { + bpstat_clear_actions (); do_all_intermediate_continuations (1); do_all_continuations (1); async_enable_stdin (); @@ -142,6 +144,8 @@ inferior_event_handler (enum inferior_event_type event_type, printf_unfiltered (_("Event type not recognized.\n")); break; } + + discard_cleanups (cleanup_if_error); } static int diff --git a/gdb/infrun.c b/gdb/infrun.c index 3022f9ba19d..27bd3d626af 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -2779,6 +2779,10 @@ fetch_inferior_event (void *client_data) else ts_old_chain = make_cleanup (finish_thread_state_cleanup, &ecs->ptid); + /* Get executed before make_cleanup_restore_current_thread above to apply + still for the thread which has thrown the exception. */ + make_bpstat_clear_actions_cleanup (); + /* Now figure out what to do with the result of the result. */ handle_inferior_event (ecs); diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 5dc374caa26..cfa7227e452 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2011-08-26 Jan Kratochvil <jan.kratochvil@redhat.com> + * gdb.base/commands.exp (error_clears_commands_left): New function. + (): Call it. + +2011-08-26 Jan Kratochvil <jan.kratochvil@redhat.com> + * gdb.mi/mi-inheritance-syntax-error.cc (A): Make `a' public. (C): Initialize `a'. * gdb.mi/mi-inheritance-syntax-error.exp diff --git a/gdb/testsuite/gdb.base/commands.exp b/gdb/testsuite/gdb.base/commands.exp index fb9cf4e9d5d..2c579869718 100644 --- a/gdb/testsuite/gdb.base/commands.exp +++ b/gdb/testsuite/gdb.base/commands.exp @@ -678,6 +678,74 @@ proc if_commands_test {} { } } +# Verify an error during "commands" commands execution will prevent any other +# "commands" from other breakpoints at the same location to be executed. + +proc error_clears_commands_left {} { + set test "hook-stop 1" + gdb_test_multiple {define hook-stop} $test { + -re "End with a line saying just \"end\"\\.\r\n>$" { + pass $test + } + } + set test "hook-stop 1a" + gdb_test_multiple {echo hook-stop1\n} $test { + -re "\r\n>$" { + pass $test + } + } + gdb_test_no_output "end" "hook-stop 1b" + + delete_breakpoints + gdb_breakpoint "main" + + set test "main commands 1" + gdb_test_multiple {commands $bpnum} $test { + -re "End with a line saying just \"end\"\\.\r\n>$" { + pass $test + } + } + set test "main commands 1a" + gdb_test_multiple {echo cmd1\n} $test { + -re "\r\n>$" { + pass $test + } + } + set test "main commands 1b" + gdb_test_multiple {errorcommandxy\n} $test { + -re "\r\n>$" { + pass $test + } + } + gdb_test_no_output "end" "main commands 1c" + + gdb_breakpoint "main" + set test "main commands 2" + gdb_test_multiple {commands $bpnum} $test { + -re "End with a line saying just \"end\"\\.\r\n>$" { + pass $test + } + } + set test "main commands 2a" + gdb_test_multiple {echo cmd2\n} $test { + -re "\r\n>$" { + pass $test + } + } + set test "main commands 2b" + gdb_test_multiple {errorcommandyz\n} $test { + -re "\r\n>$" { + pass $test + } + } + gdb_test_no_output "end" "main commands 2c" + + gdb_run_cmd + gdb_test "" "\r\nhook-stop1\r\n.*\r\ncmd1\r\nUndefined command: \"errorcommandxy\"\\. Try \"help\"\\." "cmd1 error" + + gdb_test {echo idle\n} "\r\nidle" "no cmd2" +} + proc redefine_hook_test {} { global gdb_prompt @@ -758,6 +826,7 @@ stray_arg0_test source_file_with_indented_comment recursive_source_test if_commands_test +error_clears_commands_left redefine_hook_test # This one should come last, as it redefines "backtrace". redefine_backtrace_test diff --git a/gdb/top.c b/gdb/top.c index da930ca2889..3112d393203 100644 --- a/gdb/top.c +++ b/gdb/top.c @@ -368,12 +368,13 @@ prepare_execute_command (void) void execute_command (char *p, int from_tty) { - struct cleanup *cleanup; + struct cleanup *cleanup_if_error, *cleanup; struct cmd_list_element *c; enum language flang; static int warned = 0; char *line; + cleanup_if_error = make_bpstat_clear_actions_cleanup (); cleanup = prepare_execute_command (); /* Force cleanup of any alloca areas if using C alloca instead of @@ -477,7 +478,8 @@ execute_command (char *p, int from_tty) } } - do_cleanups (cleanup); + do_cleanups (cleanup); + discard_cleanups (cleanup_if_error); } /* Run execute_command for P and FROM_TTY. Capture its output into the diff --git a/gdb/utils.c b/gdb/utils.c index 13e99b4e15d..4654870afbc 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -3674,6 +3674,23 @@ parse_pid_to_attach (char *args) return pid; } +/* Helper for make_bpstat_clear_actions_cleanup. */ + +static void +do_bpstat_clear_actions_cleanup (void *unused) +{ + bpstat_clear_actions (); +} + +/* Call bpstat_clear_actions for the case an exception is throw. You should + discard_cleanups if no exception is caught. */ + +struct cleanup * +make_bpstat_clear_actions_cleanup (void) +{ + return make_cleanup (do_bpstat_clear_actions_cleanup, NULL); +} + /* Provide a prototype to silence -Wmissing-prototypes. */ extern initialize_file_ftype _initialize_utils; |