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import gdb-19990422 snapshot

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This commit is contained in:
Stan Shebs
1999-04-26 18:34:20 +00:00
parent 1996fae846
commit 7a292a7adf
354 changed files with 13433 additions and 11180 deletions
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62
gdb/target.c
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@ -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 (&current_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 ();