diff options
Diffstat (limited to 'gdb/target.c')
| -rw-r--r-- | gdb/target.c | 62 |
1 files changed, 47 insertions, 15 deletions
diff --git a/gdb/target.c b/gdb/target.c index 808eb8fc16d..bf9dc3b97f9 100644 --- a/gdb/target.c +++ b/gdb/target.c @@ -208,15 +208,12 @@ static struct cmd_list_element *targetlist = NULL; int attach_flag; -#ifdef MAINTENANCE_CMDS /* Non-zero if we want to see trace of target level stuff. */ static int targetdebug = 0; static void setup_target_debug PARAMS ((void)); -#endif - /* The user just typed 'target' without the name of a target. */ /* ARGSUSED */ @@ -608,10 +605,8 @@ push_target (t) cleanup_target (¤t_target); /* Fill in the gaps */ -#ifdef MAINTENANCE_CMDS if (targetdebug) setup_target_debug (); -#endif return prev != 0; } @@ -1105,6 +1100,30 @@ return_one () return 1; } +/* Find a single runnable target in the stack and return it. If for + some reason there is more than one, return NULL. */ + +struct target_ops * +find_run_target () +{ + struct target_ops **t; + struct target_ops *runable = NULL; + int count; + + count = 0; + + for (t = target_structs; t < target_structs + target_struct_size; ++t) + { + if ((*t)->to_can_run && target_can_run(*t)) + { + runable = *t; + ++count; + } + } + + return (count == 1 ? runable : NULL); +} + struct target_ops * find_core_target () { @@ -1248,6 +1267,8 @@ static struct { {"EXC_SOFTWARE", "Software generated exception"}, {"EXC_BREAKPOINT", "Breakpoint"}, #endif + {"SIGINFO", "Information request"}, + {NULL, "Unknown signal"}, {NULL, "Internal error: printing TARGET_SIGNAL_DEFAULT"}, @@ -1260,7 +1281,10 @@ char * target_signal_to_string (sig) enum target_signal sig; { - return signals[sig].string; + if ((sig >= TARGET_SIGNAL_FIRST) && (sig <= TARGET_SIGNAL_LAST)) + return signals[sig].string; + else + return signals[TARGET_SIGNAL_UNKNOWN].string; } /* Return the name for a signal. */ @@ -1466,6 +1490,10 @@ target_signal_from_host (hostsig) if (hostsig == _NSIG + EXC_BREAKPOINT) return TARGET_EXC_BREAKPOINT; #endif +#if defined (SIGINFO) + if (hostsig == SIGINFO) return TARGET_SIGNAL_INFO; +#endif + #if defined (REALTIME_LO) if (hostsig >= REALTIME_LO && hostsig < REALTIME_HI) return (enum target_signal) @@ -1640,6 +1668,10 @@ target_signal_to_host (oursig) case TARGET_EXC_BREAKPOINT: return _NSIG + EXC_BREAKPOINT; #endif +#if defined (SIGINFO) + case TARGET_SIGNAL_INFO: return SIGINFO; +#endif + default: #if defined (REALTIME_LO) if (oursig >= TARGET_SIGNAL_REALTIME_33 @@ -1768,7 +1800,6 @@ init_dummy_target () } -#ifdef MAINTENANCE_CMDS static struct target_ops debug_target; static void @@ -2308,7 +2339,8 @@ debug_to_has_execd (pid, execd_pathname) has_execd = debug_target.to_has_execd (pid, execd_pathname); fprintf_unfiltered (gdb_stderr, "target_has_execd (%d, %s) = %d\n", - pid, *execd_pathname, has_execd); + pid, (*execd_pathname ? *execd_pathname : "<NULL>"), + has_execd); return has_execd; } @@ -2447,19 +2479,21 @@ debug_to_enable_exception_callback (kind, enable) enum exception_event_kind kind; int enable; { - debug_target.to_enable_exception_callback (kind, enable); - + struct symtab_and_line *result; + result = debug_target.to_enable_exception_callback (kind, enable); fprintf_unfiltered (gdb_stderr, "target get_exception_callback_sal (%d, %d)\n", kind, enable); + return result; } static struct exception_event_record * debug_to_get_current_exception_event () { - debug_target.to_get_current_exception_event(); - + struct exception_event_record *result; + result = debug_target.to_get_current_exception_event(); fprintf_unfiltered (gdb_stderr, "target get_current_exception_event ()\n"); + return result; } static char * @@ -2551,7 +2585,7 @@ setup_target_debug () current_target.to_core_file_to_sym_file = debug_to_core_file_to_sym_file; } -#endif /* MAINTENANCE_CMDS */ + static char targ_desc[] = "Names of targets and files being debugged.\n\ @@ -2567,14 +2601,12 @@ initialize_targets () add_info ("target", target_info, targ_desc); add_info ("files", target_info, targ_desc); -#ifdef MAINTENANCE_CMDS add_show_from_set ( add_set_cmd ("targetdebug", class_maintenance, var_zinteger, (char *)&targetdebug, "Set target debugging.\n\ When non-zero, target debugging is enabled.", &setlist), &showlist); -#endif if (!STREQ (signals[TARGET_SIGNAL_LAST].string, "TARGET_SIGNAL_MAGIC")) abort (); |