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

   1 # Copyright 2008, 2009, 2010 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 test can only be run on targets which support DWARF-2 and use gas.
  17 # For now pick a sampling of likely targets.
  18 load_lib mi-support.exp
  19 set MIFLAGS "-i=mi"
  20
  21 if {![istarget *-*-linux*]
  22     && ![istarget *-*-gnu*]
  23     && ![istarget *-*-elf*]
  24     && ![istarget *-*-openbsd*]
  25     && ![istarget arm-*-eabi*]
  26     && ![istarget powerpc-*-eabi*]} {
  27     return 0
  28 }
  29
  30 set testfile "dw2-ref-missing-frame"
  31 set srcsfile ${testfile}.S
  32 set objsfile ${objdir}/${subdir}/${testfile}.o
  33 set srcfuncfile ${testfile}-func.c
  34 set objfuncfile ${objdir}/${subdir}/${testfile}-func.o
  35 set srcmainfile ${testfile}-main.c
  36 set objmainfile ${objdir}/${subdir}/${testfile}-main.o
  37 set executable ${testfile}
  38 set binfile ${objdir}/${subdir}/${executable}
  39
  40 if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""
  41      || [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""
  42      || [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""
  43      || [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
  44     return -1
  45 }
  46
  47 if [mi_gdb_start] {
  48     continue
  49 }
  50
  51 mi_delete_breakpoints
  52 mi_gdb_reinitialize_dir $srcdir/$subdir
  53 mi_gdb_load ${binfile}
  54
  55 if [mi_runto func_nofb_marker] {
  56     # First try referencing DW_AT_frame_base which is not defined.
  57     mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
  58         "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\\\\\"\\\.\\\>\"\}\\\].*" \
  59         "test func_nofb_marker"
  60 }
  61
  62 # GDB could have crashed.
  63 mi_gdb_exit
  64 if [mi_gdb_start] {
  65     continue
  66 }
  67 mi_delete_breakpoints
  68 mi_gdb_reinitialize_dir $srcdir/$subdir
  69 mi_gdb_load ${binfile}
  70
  71 # And now try referencing DW_AT_frame_base defined using a self-reference
  72 # (DW_OP_fbreg).
  73 if [mi_runto func_loopfb_marker] {
  74     mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \
  75         "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.*\"\}\\\]" \
  76         "test func_loopfb_var"
  77 }