gdb/testsuite/gdb.base/breakpoint-shadow.exp

   1 # Copyright 2008, 2009 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 set testfile breakpoint-shadow
  17 set srcfile ${testfile}.c
  18 set binfile ${objdir}/${subdir}/${testfile}
  19 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  20     untested "Couldn't compile test program"
  21     return -1
  22 }
  23
  24 gdb_exit
  25 gdb_start
  26 gdb_reinitialize_dir $srcdir/$subdir
  27 gdb_load ${binfile}
  28
  29 # We need to start the inferior to place the breakpoints in the memory at all.
  30 if ![runto_main] {
  31     untested start
  32     return -1
  33 }
  34
  35 # The default "auto" mode removes all the breakpoints when we stop (and not
  36 # running the nonstop mode).  We would not be able to test the shadow.
  37 gdb_test "set breakpoint always-inserted on"
  38 gdb_test "show breakpoint always-inserted" "Always inserted breakpoint mode is on."
  39
  40 set match "\nDump of assembler code for function main:\r\n(.*)End of assembler dump.\r\n$gdb_prompt $"
  41
  42 set test "disassembly without breakpoints"
  43 gdb_test_multiple "disass main" $test {
  44     -re $match {
  45         set orig $expect_out(1,string)
  46         pass $test
  47     }
  48 }
  49
  50 gdb_test "b [gdb_get_line_number "break-first"]" "Breakpoint \[0-9\] at .*" "First breakpoint placed"
  51 set test "Second breakpoint placed"
  52 gdb_test_multiple "b [gdb_get_line_number "break-second"]" $test {
  53     -re "Breakpoint \[0-9\] at (0x\[0-9a-f\]*):.*" {
  54         pass $test
  55         set bpt2address $expect_out(1,string)
  56     }
  57 }
  58
  59 if [istarget "ia64-*-*"] then {
  60     # Unoptimized code should not use the 3rd slot for the first instruction of
  61     # a source line.  This is important for our test, because we want both
  62     # breakpoints ("Second breakpoint" and the following one) to be in the same
  63     # bundle.
  64
  65     set test "Second breakpoint address is valid on ia64"
  66     if [string match "*\[01\]" $bpt2address] {
  67         pass $test
  68
  69         gdb_test "b *($bpt2address + 1)" "Breakpoint \[0-9\] at .*" "Third breakpoint on ia64 in the Second breakpoint's bundle"
  70     } else {
  71         unresolved $test
  72     }
  73 }
  74
  75 set test "disassembly with breakpoints"
  76 gdb_test_multiple "disass main" $test {
  77     -re $match {
  78         set got $expect_out(1,string)
  79         if [string equal -nocase $orig $got] {
  80             pass $test
  81         } else {
  82             fail $test
  83         }
  84     }
  85 }