[rfa/testsuite] gdb1250.exp: make 'break abort' work with new pending breakpoints

[mec.gnu@mindspring.com (Michael Elizabeth Chastain)]

This patch enhances gdb.base/gdb1250.exp so that it works with
the new pending-breakpoint interface.  This test wants to set a
breakpoint on 'abort', which may be in a shared library.

Of course it still works with the old 'just quietly set the breakpoint'
interface.

I tested on native i686-pc-linux-gnu, red hat 8.0, glibc 2.2.93-5-rh.
I tested with gdb 6.0 and gdb HEAD, gcc 3.3.2, binutils 2.14 and
binutils HEAD, dwarf-2 and stabs+.  All the tests PASSed in all
configurations.

This test is sensitive to the version of binutils because binutils HEAD
has a PLT optimization for shared library functions.

Okay to commit?

Michael C

2004-02-09  Michael Chastain  <mec.gnu@mindspring.com>

	* gdb.base/gdb1250.exp: Improve 'break abort' to work with new
	pending-breakpoint user interface.

Index: gdb1250.exp
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/gdb1250.exp,v
retrieving revision 1.1
diff -c -3 -p -r1.1 gdb1250.exp
*** gdb1250.exp	15 Jul 2003 16:28:21 -0000	1.1
--- gdb1250.exp	9 Feb 2004 07:17:30 -0000
***************
*** 1,4 ****
! # Copyright 2003 Free Software Foundation, Inc.
  
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
--- 1,4 ----
! # Copyright 2003, 2004 Free Software Foundation, Inc.
  
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
*************** gdb_start
*** 42,51 ****
  gdb_reinitialize_dir $srcdir/$subdir
  gdb_load ${binfile}
  
! if ![runto abort] then {
      perror "couldn't run to breakpoint"
      continue
  }
  
  # See http://sources.redhat.com/gdb/bugs/1250
  #
--- 42,67 ----
  gdb_reinitialize_dir $srcdir/$subdir
  gdb_load ${binfile}
  
! # Set a breakpoint on 'abort' and run to it.  gdb_breakpoint and runto
! # do not work because they answer 'no' to the breakpoint-pending
! # question.
! 
! if { ![runto_main] } then {
      perror "couldn't run to breakpoint"
      continue
  }
+ 
+ gdb_test_multiple "break abort" "break on abort" {
+     -re "Breakpoint $decimal .*$gdb_prompt $" {
+ 	pass "break on abort"
+     }
+     -re "Function \"abort\" not defined.\r\n.*Make breakpoint pending on future shared library load? \\(y or n\\) $" {
+ 	send_gdb "yes\n"
+ 	exp_continue
+     }
+ }
+ 
+ gdb_test "continue" "Breakpoint $decimal.*" "continue to abort"
  
  # See http://sources.redhat.com/gdb/bugs/1250
  #