Re: Trivial fix to annota1.exp

[Elena Zannoni <ezannoni@redhat.com>]

Jim Ingham writes:
 > I think that the backtrace through a signal handler test in annota1.exp 
 > is wrong.  It uses a "*" in the regexp for the part that is looking for 
 > the signal handler frame.  Because of that, all the test really does is 
 > count the number of frames, and require they be three or more frames.  
 > It doesn't check that a signal frame is on the stack at all.
 > 
 > I think you really need a "+" instead, or I don't understand the point 
 > of the test.
 > 
 > Is this okay, it still passes on Linux...
 > 

I think you are right. I don't think there is any case where we want
to pass matching 0 occurrences of that pattern. Would you like to
submit a proper patch?

elena


 > Index: annota1.exp
 > ===================================================================
 > RCS file: /cvs/src/src/gdb/testsuite/gdb.base/annota1.exp,v
 > retrieving revision 1.12
 > diff -r1.12 annota1.exp
 > 299c299
 > <     -re "frame-begin 0 $hex\r\n#0.*frame-end.*frame-begin 1 
 > $hex\r\n#1.*(\032\032signal-handler-caller\r\n.signal handler 
 > called.\r\n\r\n)*\032\032frame-end\r\n\r\n\032\032frame-begin 2 
 > $hex\r\n#2.*(frame-begin 3 $hex\r\n#3.*)*frame-end.*$gdb_prompt$" {
 > ---
 >  >     -re "frame-begin 0 $hex\r\n#0.*frame-end.*frame-begin 1 
 > $hex\r\n#1.*(\032\032signal-handler-caller\r\n.signal handler 
 > called.\r\n\r\n)+\032\032frame-end\r\n\r\n\032\032frame-begin 2 
 > $hex\r\n#2.*(frame-begin 3 $hex\r\n#3.*)*frame-end.*$gdb_prompt$" {
 > 
 > Jim
 > --
 > Jim Ingham                                   jingham@apple.com
 > Developer Tools
 > Apple Computer