added some smarts to avoid single-stepping through functions

that have no source information

SCCS-vsn: old/dbx/vax.c 1.7

diff --git a/usr/src/old/dbx/vax.c b/usr/src/old/dbx/vax.c
index aa80562..d6f0514 100644 (file)
--- a/usr/src/old/dbx/vax.c
+++ b/usr/src/old/dbx/vax.c
@@ -1,6 +1,6 @@
 /* Copyright (c) 1982 Regents of the University of California */
 
 /* Copyright (c) 1982 Regents of the University of California */
 

-static char sccsid[] = "@(#)vax.c 1.6 %G%";
+static char sccsid[] = "@(#)vax.c 1.7 %G%";

 
 /*
  * Target machine dependent stuff.
 
 /*
  * Target machine dependent stuff.


@@ -591,11 +591,19 @@ Boolean isnext;
                pstep(process);
                addr = reg(PROGCTR);
                pc = addr;
                pstep(process);
                addr = reg(PROGCTR);
                pc = addr;

-               callnews(/* iscall = */ true);
+               curfunc = whatblock(pc);

                if (not isbperr()) {
                    printstatus();
                if (not isbperr()) {
                    printstatus();

+                   /* NOTREACHED */
+               }
+               bpact();
+               if (nosource(curfunc) and canskip(curfunc) and
+                 nlhdr.nlines != 0) {
+                   addrstatus = KNOWN;
+                   addr = return_addr();
+                   stepto(addr);

                } else {
                } else {

-                   bpact();
+                   callnews(/* iscall = */ true);

                }
            }
            break;
                }
            }
            break;