diff options
Diffstat (limited to 'gdb/infrun.c')
| -rw-r--r-- | gdb/infrun.c | 55 |
1 files changed, 17 insertions, 38 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c index 7066a52de2b..74f1de1f672 100644 --- a/gdb/infrun.c +++ b/gdb/infrun.c @@ -1812,26 +1812,30 @@ handle_inferior_event (struct execution_control_state *ecs) stop_print_frame = 1; } + /* NOTE: cagney/2003-03-29: These two checks for a random signal + at one stage in the past included checks for an inferior + function call's call dummy's return breakpoint. The original + comment, that went with the test, read: + + ``End of a stack dummy. Some systems (e.g. Sony news) give + another signal besides SIGTRAP, so check here as well as + above.'' + + If someone ever tries to get get call dummys on a + non-executable stack to work (where the target would stop + with something like a SIGSEG), then those tests might need to + be re-instated. Given, however, that the tests were only + enabled when momentary breakpoints were not being used, I + suspect that it won't be the case. */ + if (stop_signal == TARGET_SIGNAL_TRAP) ecs->random_signal = !(bpstat_explains_signal (stop_bpstat) || trap_expected - || (!CALL_DUMMY_BREAKPOINT_OFFSET_P - && DEPRECATED_PC_IN_CALL_DUMMY (stop_pc, read_sp (), - get_frame_base (get_current_frame ()))) || (step_range_end && step_resume_breakpoint == NULL)); - else { - ecs->random_signal = !(bpstat_explains_signal (stop_bpstat) - /* End of a stack dummy. Some systems (e.g. Sony - news) give another signal besides SIGTRAP, so - check here as well as above. */ - || (!CALL_DUMMY_BREAKPOINT_OFFSET_P - && DEPRECATED_PC_IN_CALL_DUMMY (stop_pc, read_sp (), - get_frame_base - (get_current_frame - ())))); + ecs->random_signal = !bpstat_explains_signal (stop_bpstat); if (!ecs->random_signal) stop_signal = TARGET_SIGNAL_TRAP; } @@ -2173,31 +2177,6 @@ process_event_stop_test: return; } - if (!CALL_DUMMY_BREAKPOINT_OFFSET_P) - { - /* This is the old way of detecting the end of the stack dummy. - An architecture which defines CALL_DUMMY_BREAKPOINT_OFFSET gets - handled above. As soon as we can test it on all of them, all - architectures should define it. */ - - /* If this is the breakpoint at the end of a stack dummy, - just stop silently, unless the user was doing an si/ni, in which - case she'd better know what she's doing. */ - - if (CALL_DUMMY_HAS_COMPLETED (stop_pc, read_sp (), - get_frame_base (get_current_frame ())) - && !step_range_end) - { - stop_print_frame = 0; - stop_stack_dummy = 1; -#ifdef HP_OS_BUG - trap_expected_after_continue = 1; -#endif - stop_stepping (ecs); - return; - } - } - if (step_resume_breakpoint) { /* Having a step-resume breakpoint overrides anything |