gdb/testsuite/gdb.base/consecutive.exp

   1 #   Copyright 2001, 2007, 2008, 2009, 2010, 2011
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Michael Snyder. (msnyder@redhat.com)
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 #
  24 # Test breakpoints at consecutive instruction addresses.
  25 #
  26
  27
  28 set testfile "consecutive"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  33     untested consecutive.exp
  34     return -1
  35 }
  36
  37 if [get_compiler_info ${binfile}] {
  38     return -1
  39 }
  40
  41 gdb_exit
  42 gdb_start
  43 gdb_reinitialize_dir $srcdir/$subdir
  44 gdb_load ${binfile}
  45
  46 if [target_info exists gdb_stub] {
  47     gdb_step_for_stub;
  48 }
  49
  50 if ![runto_main] then {
  51     perror "couldn't run to breakpoint"
  52     continue
  53 }
  54
  55 set nl "\[\r\n\]+"
  56
  57 gdb_breakpoint foo
  58 gdb_test "continue" "Breakpoint $decimal, foo .*" \
  59         "continue to breakpoint in foo"
  60
  61 set bp_addr 0
  62 set stop_addr 0
  63
  64 gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
  65     -re "=> $hex.*${nl}   ($hex).*$gdb_prompt $" {
  66         set bp_addr $expect_out(1,string)
  67         pass "get breakpoint address for foo"
  68     }
  69 }
  70
  71 gdb_test "break \*$bp_addr" "Breakpoint $decimal at $bp_addr: file .*" \
  72         "set bp, 2nd instr"
  73
  74 gdb_test_multiple "step" "stopped at bp, 2nd instr" {
  75     -re "Breakpoint $decimal, ($hex) in foo.*$gdb_prompt $" {
  76         set stop_addr $expect_out(1,string)
  77         if [eval expr "$bp_addr == $stop_addr"] then {
  78             pass "stopped at bp, 2nd instr"
  79         } else {
  80             fail "stopped at bp, 2nd instr (wrong address)"
  81         }
  82     }
  83 }
  84