gdb/testsuite/gdb.mi/dw2-ref-missing-frame.exp

   1 # Copyright 2008, 2009, 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
  16 load_lib dwarf.exp
  17 # This test can only be run on targets which support DWARF-2 and use gas.
  18 load_lib mi-support.exp
  19 set MIFLAGS "-i=mi"
  20
  21 if {![dwarf2_support]} {
  22     return 0
  23 }
  24
  25 set testfile "dw2-ref-missing-frame"
  26 set srcsfile ${testfile}.S
  27 set objsfile ${objdir}/${subdir}/${testfile}.o
  28 set srcfuncfile ${testfile}-func.c
  29 set objfuncfile ${objdir}/${subdir}/${testfile}-func.o
  30 set srcmainfile ${testfile}-main.c
  31 set objmainfile ${objdir}/${subdir}/${testfile}-main.o
  32 set executable ${testfile}
  33 set binfile ${objdir}/${subdir}/${executable}
  34
  35 if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""
  36      || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""
  37      || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""
  38      || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
  39     return -1
  40 }
  41
  42 if [mi_gdb_start] {
  43     continue
  44 }
  45
  46 mi_delete_breakpoints
  47 mi_gdb_reinitialize_dir $srcdir/$subdir
  48 mi_gdb_load ${binfile}
  49
  50 if [mi_runto func_nofb_marker] {
  51     # First try referencing DW_AT_frame_base which is not defined.
  52     mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
  53         "300\\^done,locals=\\\[\{name=\"func_nofb_var\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\},\{name=\"func_nofb_var2\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\}\\\].*" \
  54         "test func_nofb_marker"
  55 }
  56
  57 # GDB could have crashed.
  58 mi_gdb_exit
  59 if [mi_gdb_start] {
  60     continue
  61 }
  62 mi_delete_breakpoints
  63 mi_gdb_reinitialize_dir $srcdir/$subdir
  64 mi_gdb_load ${binfile}
  65
  66 # And now try referencing DW_AT_frame_base defined using a self-reference
  67 # (DW_OP_fbreg).
  68 if [mi_runto func_loopfb_marker] {
  69     mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \
  70         "301\\^done,locals=\\\[\{name=\"func_loopfb_var\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\},\{name=\"func_loopfb_var2\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\}\\\]" \
  71         "test func_loopfb_var"
  72 }