set_sigint_trap(); /* Causes SIGINT to be passed on to the
attached process. */
pid = wait (&status);
-#ifdef SPARC
-/* Swap halves of status so that the rest of GDB can understand it */
- status = (status << 16) | ((unsigned)status >> 16);
-#endif
save_errno = errno;
if (realsig == SIGNEWTHREAD)
{
- /* Simply ignore new thread notification, as we can't do anything
- useful with such threads. All ptrace calls at this point just
- fail for no apparent reason. The thread will eventually get a
- real signal when it becomes real. */
- child_resume (pid, 0, TARGET_SIGNAL_0);
- continue;
+ /* It's a new thread notification. Nothing to do here since
+ the machine independent code in wait_for_inferior will
+ add the thread to the thread list and restart the thread
+ when pid != inferior_pid and pid is not in the thread
+ list. We don't even want to much with realsig -- the
+ code in wait_for_inferior expects SIGTRAP. */
+ ;
}
+ else
+ error ("Signal for unknown thread was not SIGNEWTHREAD");
}
+#ifdef SPARC
+ /* SPARC Lynx uses an byte reversed wait status; we must use the
+ host macros to access it. These lines just a copy of
+ store_waitstatus. We can't use CHILD_SPECIAL_WAITSTATUS
+ because target.c can't include the Lynx <sys/wait.h>. */
+ if (WIFEXITED (status))
+ {
+ ourstatus->kind = TARGET_WAITKIND_EXITED;
+ ourstatus->value.integer = WEXITSTATUS (status);
+ }
+ else if (!WIFSTOPPED (status))
+ {
+ ourstatus->kind = TARGET_WAITKIND_SIGNALLED;
+ ourstatus->value.sig =
+ target_signal_from_host (WTERMSIG (status));
+ }
+ else
+ {
+ ourstatus->kind = TARGET_WAITKIND_STOPPED;
+ ourstatus->value.sig =
+ target_signal_from_host (WSTOPSIG (status));
+ }
+#else
store_waitstatus (ourstatus, status.w_status);
+#endif
return pid;
}
errno = 0;
+ /* If pid == -1, then we want to step/continue all threads, else
+ we only want to step/continue a single thread. */
if (pid == -1)
{
- /* Resume all threads. */
-
pid = inferior_pid;
+ func = step ? PTRACE_SINGLESTEP : PTRACE_CONT;
}
+ else
+ func = step ? PTRACE_SINGLESTEP_ONE : PTRACE_CONT_ONE;
- func = step ? PTRACE_SINGLESTEP_ONE : PTRACE_CONT;
/* An address of (PTRACE_ARG3_TYPE)1 tells ptrace to continue from where
it was. (If GDB wanted it to start some other way, we have already
unsigned int regno;
for (regno = 0; regno < NUM_REGS; regno++)
- supply_register (regno, core_reg_sect + offsetof (st_t, ec)
- + regmap[regno]);
+ if (regmap[regno] != -1)
+ supply_register (regno, core_reg_sect + offsetof (st_t, ec)
+ + regmap[regno]);
#ifdef SPARC
/* Fetching this register causes all of the I & L regs to be read from the