gdb/testsuite/gdb.base/consecutive.exp

   1 #   Copyright 2001-2020 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Michael Snyder. (msnyder@redhat.com)
  17
  18 #
  19 # Test breakpoints at consecutive instruction addresses.
  20 #
  21
  22
  23 standard_testfile
  24
  25 if [get_compiler_info] {
  26     return -1
  27 }
  28
  29 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} {
  30     return -1
  31 }
  32
  33 if ![runto_main] then {
  34     perror "couldn't run to breakpoint"
  35     continue
  36 }
  37
  38 set is_stmt [is_stmt_addresses $srcfile]
  39
  40 set nl "\[\r\n\]+"
  41
  42 gdb_breakpoint foo
  43 gdb_test "continue" "Breakpoint $decimal, foo .*" \
  44         "continue to breakpoint in foo"
  45
  46 set bp_addr 0
  47 set stop_addr 0
  48
  49 gdb_test_multiple "x /2i \$pc" "get breakpoint address for foo" {
  50     -re "=> $hex.*${nl}   ($hex).*$gdb_prompt $" {
  51         set bp_addr $expect_out(1,string)
  52         pass "get breakpoint address for foo"
  53     }
  54 }
  55
  56 gdb_test "break \*$bp_addr" "Breakpoint $decimal at $bp_addr: file .*" \
  57         "set bp, 2nd instr"
  58
  59 gdb_test_multiple "step" "stopped at bp, 2nd instr" {
  60     -re -wrap "Breakpoint $decimal, ($hex) in foo.*" {
  61         set stop_addr $expect_out(1,string)
  62         if [eval expr "$bp_addr == $stop_addr"] then {
  63             pass "stopped at bp, 2nd instr"
  64         } else {
  65             fail "stopped at bp, 2nd instr (wrong address)"
  66         }
  67     }
  68     -re -wrap "Breakpoint $decimal, foo.*" {
  69         set stop_addr [get_valueof "/x" "\$pc" "" "value of pc"]
  70         set stop_addr_is_stmt [hex_in_list $stop_addr $is_stmt]
  71         if { ! $stop_addr_is_stmt } {
  72             fail "stopped at bp, 2nd instr (missing hex prefix)"
  73         } elseif [eval expr "$bp_addr == $stop_addr"] then {
  74             pass "stopped at bp, 2nd instr"
  75         } else {
  76             fail "stopped at bp, 2nd instr (wrong address)"
  77         }
  78     }
  79 }
  80