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

   1 # Copyright 2008-2016 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 standard_testfile .S dw2-ref-missing-frame-func.c dw2-ref-missing-frame-main.c
  26 set objsfile [standard_output_file ${testfile}.o]
  27 set objfuncfile [standard_output_file ${testfile}-func.o]
  28 set objmainfile [standard_output_file ${testfile}-main.o]
  29
  30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" $objsfile object {}] != ""
  31      || [gdb_compile "${srcdir}/${subdir}/${srcfile2}" $objfuncfile object {}] != ""
  32      || [gdb_compile "${srcdir}/${subdir}/${srcfile3}" $objmainfile object {debug}] != ""
  33      || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
  34     return -1
  35 }
  36
  37 if [mi_gdb_start] {
  38     continue
  39 }
  40
  41 mi_delete_breakpoints
  42 mi_gdb_reinitialize_dir $srcdir/$subdir
  43 mi_gdb_load ${binfile}
  44
  45 if [mi_runto func_nofb_marker] {
  46     # First try referencing DW_AT_frame_base which is not defined.
  47     mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
  48         "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\\\\\"\\\.\\\>\"\}\\\].*" \
  49         "test func_nofb_marker"
  50 }
  51
  52 # GDB could have crashed.
  53 mi_gdb_exit
  54 if [mi_gdb_start] {
  55     continue
  56 }
  57 mi_delete_breakpoints
  58 mi_gdb_reinitialize_dir $srcdir/$subdir
  59 mi_gdb_load ${binfile}
  60
  61 # And now try referencing DW_AT_frame_base defined using a self-reference
  62 # (DW_OP_fbreg).
  63 if [mi_runto func_loopfb_marker] {
  64     mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \
  65         "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.*\"\}\\\]" \
  66         "test func_loopfb_var"
  67 }