Fixed do_trace to properly return (status) information.

diff --git a/kernel/system/do_trace.c b/kernel/system/do_trace.c
index bcf07bef7469c9a5854b647605da3262e6bc31d4..ebf215fe2b56b8b07907197af8febb44489a053d 100644 (file)
--- a/kernel/system/do_trace.c
+++ b/kernel/system/do_trace.c
@@ -60,6 +60,7 @@ register message *m_ptr;
        if (rp->p_memmap[T].mem_len != 0) {
                if ((src = umap_local(rp, T, tr_addr, TR_VLSIZE)) == 0) return(EIO);
                phys_copy(src, vir2phys(&tr_data), (phys_bytes) sizeof(long));
+               m_ptr->CTL_DATA= tr_data;
                break;
        }
        /* Text space is actually data space - fall through. */
@@ -67,20 +68,21 @@ register message *m_ptr;
   case T_GETDATA:              /* return value from data space */
        if ((src = umap_local(rp, D, tr_addr, TR_VLSIZE)) == 0) return(EIO);
        phys_copy(src, vir2phys(&tr_data), (phys_bytes) sizeof(long));
+       m_ptr->CTL_DATA= tr_data;
        break;
 
   case T_GETUSER:              /* return value from process table */
        if ((tr_addr & (sizeof(long) - 1)) != 0 ||
            tr_addr > sizeof(struct proc) - sizeof(long))
                return(EIO);
-       tr_data = *(long *) ((char *) rp + (int) tr_addr);
+       m_ptr->CTL_DATA = *(long *) ((char *) rp + (int) tr_addr);
        break;
 
   case T_SETINS:               /* set value in instruction space */
        if (rp->p_memmap[T].mem_len != 0) {
                if ((dst = umap_local(rp, T, tr_addr, TR_VLSIZE)) == 0) return(EIO);
                phys_copy(vir2phys(&tr_data), dst, (phys_bytes) sizeof(long));
-               tr_data = 0;
+               m_ptr->CTL_DATA = 0;
                break;
        }
        /* Text space is actually data space - fall through. */
@@ -88,7 +90,7 @@ register message *m_ptr;
   case T_SETDATA:                      /* set value in data space */
        if ((dst = umap_local(rp, D, tr_addr, TR_VLSIZE)) == 0) return(EIO);
        phys_copy(vir2phys(&tr_data), dst, (phys_bytes) sizeof(long));
-       tr_data = 0;
+       m_ptr->CTL_DATA = 0;
        break;
 
   case T_SETUSER:                      /* set value in process table */
@@ -116,20 +118,20 @@ register message *m_ptr;
                SETPSW(rp, tr_data);
        else
                *(reg_t *) ((char *) &rp->p_reg + i) = (reg_t) tr_data;
-       tr_data = 0;
+       m_ptr->CTL_DATA = 0;
        break;
 
   case T_RESUME:               /* resume execution */
        rp->p_rts_flags &= ~P_STOP;
        if (rp->p_rts_flags == 0) lock_ready(rp);
-       tr_data = 0;
+       m_ptr->CTL_DATA = 0;
        break;
 
   case T_STEP:                 /* set trace bit */
        rp->p_reg.psw |= TRACEBIT;
        rp->p_rts_flags &= ~P_STOP;
        if (rp->p_rts_flags == 0) lock_ready(rp);
-       tr_data = 0;
+       m_ptr->CTL_DATA = 0;
        break;
 
   default: