gdb/testsuite/gdb.xml/tdesc-regs.exp

   1 # Copyright 2007 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 if {[gdb_skip_xml_test]} {
  18     unsupported "tdesc-regs.exp"
  19     return -1
  20 }
  21
  22 gdb_start
  23
  24 # To test adding registers, we need a core set of registers for this
  25 # architecture, or the description will be rejected.
  26
  27 set core-regs ""
  28 switch -glob -- [istarget] {
  29     "*arm-*-*" {
  30         set core-regs arm-core
  31     }
  32     "xscale-*-*" {
  33         set core-regs arm-core
  34     }
  35 }
  36
  37 # If no core registers were specified, assume this target does not
  38 # support target-defined registers.  Verify that we get a warning if
  39 # we try to use them.  This not only tests the warning, but also
  40 # reminds maintainers to add test support when they add the feature.
  41 if {[string equal ${core-regs} ""]} {
  42     gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  43         "warning: Target-supplied registers are not supported.*" \
  44         "set tdesc file single-reg.xml"
  45     unsupported "register tests"
  46     return 0
  47 }
  48
  49 # Otherwise, we support both XML and target defined registers.
  50
  51 # Make sure we reject a description missing standard registers,
  52 # like the PC.
  53 gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  54     "warning: Architecture rejected target-supplied description" \
  55     "set tdesc file single-reg.xml"
  56
  57 # Copy the core registers into the objdir if necessary, so that they
  58 # will be found by <xi:include>.
  59 file delete "core-regs.xml"
  60 file copy "$srcdir/../features/${core-regs}.xml" "core-regs.xml"
  61
  62 # Similarly, we need to copy files under test into the objdir.
  63 proc load_description { file errmsg } {
  64     global srcdir
  65     global subdir
  66     global gdb_prompt
  67
  68     file delete "regs.xml"
  69     file copy "$srcdir/$subdir/$file" "regs.xml"
  70
  71     # Anchor the test output, so that error messages are detected.
  72     set cmd "set tdesc filename regs.xml"
  73     set msg "set tdesc filename $file"
  74     set cmd_regex [string_to_regexp $cmd]
  75     gdb_test_multiple $cmd $msg {
  76         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
  77             pass $msg
  78         }
  79     }
  80 }
  81
  82 load_description "extra-regs.xml" ""
  83 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
  84 gdb_test "ptype \$uintreg" "type = uint32_t"
  85 gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"
  86 gdb_test "ptype \$unionreg" \
  87     "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
  88 gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"
  89
  90 load_description "core-only.xml" ""
  91 # The extra register from the previous description should be gone.
  92 gdb_test "ptype \$extrareg" "type = void"
  93
  94 file delete "core-regs.xml"
  95 file delete "regs.xml"