gdb/testsuite/gdb.dwarf2/implptr.exp

   1 # Copyright 2010, 2011 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 load_lib dwarf.exp
  16
  17 # Test DW_OP_GNU_implicit_pointer.
  18
  19 # This test can only be run on targets which support DWARF-2 and use gas.
  20 if {![dwarf2_support]} {
  21     return 0
  22 }
  23
  24 set testfile "implptr"
  25 set srcfile ${testfile}.S
  26 set csrcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}.x
  28 set opts {}
  29
  30 if [info exists COMPILE] {
  31     # make check RUNTESTFLAGS='gdb.dwarf2/implptr.exp COMPILE=1 CC_FOR_TARGET=gcc\ -m32'
  32     set srcfile ${csrcfile}
  33     lappend opts debug optimize=-O2
  34 } elseif {![is_x86_like_target]} {
  35     # This test can only be run on x86 targets.
  36     return 0
  37 }
  38
  39 if {[prepare_for_testing ${testfile}.exp ${testfile}.x $srcfile $opts]} {
  40     return -1
  41 }
  42
  43 if ![runto_main] {
  44     return -1
  45 }
  46
  47 # Test various pointer depths in bar.
  48 proc implptr_test_bar {} {
  49     global csrcfile
  50     set line [gdb_get_line_number "bar breakpoint" $csrcfile]
  51     gdb_test "break implptr.c:$line" "Breakpoint 2.*" \
  52        "set bar breakpoint for implptr"
  53     gdb_continue_to_breakpoint "continue to bar breakpoint for implptr"
  54     gdb_test "print j" " = \\(intp\\) <synthetic pointer>" "print j in implptr:bar"
  55     gdb_test "print *j" " = 5" "print *j in implptr:bar"
  56     gdb_test "print **k" " = 5" "print **k in implptr:bar"
  57     gdb_test "print ***l" " = 5" "print ***l in implptr:bar"
  58 }
  59
  60 # Test some values in foo.
  61 proc implptr_test_foo {} {
  62     global csrcfile
  63     set line [gdb_get_line_number "foo breakpoint" $csrcfile]
  64     gdb_test "break implptr.c:$line" "Breakpoint 3.*" \
  65         "set foo breakpoint for implptr"
  66     gdb_continue_to_breakpoint "continue to foo breakpoint for implptr"
  67     gdb_test "print p\[0].x" " = \\(int \\*\\) <synthetic pointer>" \
  68         "print p\[0].x in implptr:foo"
  69     gdb_test "print *p\[0].x" " = 69" \
  70         "print *p\[0].x in implptr:foo"
  71     gdb_test "print/d *(((char *) p\[0].x) + 1)" " = 0" \
  72         "print byte inside *p\[0].x in implptr:foo"
  73     gdb_test "print *(p\[0].x + 10)" \
  74         "access outside bounds of object referenced via synthetic pointer" \
  75         "print invalid offset from *p\[0].x in implptr:foo"
  76     gdb_test "print j" " = 69" \
  77         "print j in implptr:foo"
  78 }
  79
  80 implptr_test_bar
  81 implptr_test_foo