void next_handle_exception
(struct next_inferior_status *inferior, msg_header_t *message, struct target_waitstatus *status)
{
next_exception_data* msg = (next_exception_data*) message;
CHECK_FATAL (inferior != NULL);
next_debug_exception (msg);
if (msg->task != inferior->task) {
inferior_debug ("ignoring exception forwarded from subprocess\n");
next_exception_forwarded_reply (inferior, msg);
return;
}
inferior->last_thread = msg->thread;
if (inferior_handle_exceptions_flag) {
next_inferior_suspend_mach (inferior);
next_exception_internal_reply (inferior, msg);
status->kind = TARGET_WAITKIND_STOPPED;
switch (msg->exception) {
case EXC_BAD_ACCESS:
status->value.sig = TARGET_EXC_BAD_ACCESS;
break;
case EXC_BAD_INSTRUCTION:
status->value.sig = TARGET_EXC_BAD_INSTRUCTION;
break;
case EXC_ARITHMETIC:
status->value.sig = TARGET_EXC_ARITHMETIC;
break;
case EXC_EMULATION:
status->value.sig = TARGET_EXC_EMULATION;
break;
case EXC_SOFTWARE:
status->value.sig = TARGET_EXC_SOFTWARE;
break;
case EXC_BREAKPOINT:
status->value.sig = TARGET_EXC_BREAKPOINT;
status->value.sig = TARGET_SIGNAL_TRAP;
break;
default:
status->value.sig = TARGET_SIGNAL_UNKNOWN;
break;
}
} else {
next_exception_forwarded_reply (inferior, msg);
}
}
void next_inferior_suspend_ptrace (next_inferior_status *s)
{
struct target_waitstatus status;
CHECK (s != NULL);
CHECK (s->attached_in_ptrace);
CHECK (next_inferior_valid (s));
next_inferior_check_stopped (s);
CHECK (! s->stopped_in_ptrace);
next_inferior_suspend_mach (s);
kill (s->pid, SIGSTOP);
next_inferior_resume_mach (s, -1);
next_wait (s, &status, NULL);
CHECK (status.kind == TARGET_WAITKIND_STOPPED);
CHECK (status.value.sig == TARGET_SIGNAL_STOP);
}
void next_inferior_resume_ptrace (next_inferior_status *s, int nsignal, int val)
{
CHECK (s != NULL);
CHECK ((val == PTRACE_DETACH) || (val == PTRACE_CONT));
CHECK (s->attached_in_ptrace);
CHECK (next_inferior_valid (s));
next_inferior_check_stopped (s);
CHECK (s->stopped_in_ptrace);
next_inferior_suspend_mach (s);
if (call_ptrace(val, s->pid, (caddr_t)1, nsignal) != 0) {
error("Error calling ptrace (%d, %d, %d, %d): %s\n",
val, s->pid, 1, nsignal, xstrerror(errno));
}
s->stopped_in_ptrace = 0;
if (val == PTRACE_DETACH) {
s->attached_in_ptrace = 0;
}
}
