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

   1 # Copyright 2007, 2008, 2009 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 if {[gdb_skip_xml_test]} {
  17     unsupported "tdesc-regs.exp"
  18     return -1
  19 }
  20
  21 gdb_start
  22
  23 # To test adding registers, we need a core set of registers for this
  24 # architecture, or the description will be rejected.
  25
  26 set core-regs ""
  27 set regdir ""
  28 switch -glob -- [istarget] {
  29     "*arm-*-*" {
  30         set core-regs {arm-core.xml}
  31     }
  32     "xscale-*-*" {
  33         set core-regs {arm-core.xml}
  34     }
  35     "mips*-*-*" {
  36         set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml}
  37     }
  38     "powerpc*-*-*" {
  39         set regdir "rs6000/"
  40         set core-regs {power-core.xml}
  41     }
  42 }
  43
  44 # If no core registers were specified, assume this target does not
  45 # support target-defined registers.  Verify that we get a warning if
  46 # we try to use them.  This not only tests the warning, but also
  47 # reminds maintainers to add test support when they add the feature.
  48 if {[string equal ${core-regs} ""]} {
  49     gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  50         "warning: Target-supplied registers are not supported.*" \
  51         "set tdesc file single-reg.xml"
  52     unsupported "register tests"
  53     return 0
  54 }
  55
  56 # Otherwise, we support both XML and target defined registers.
  57
  58 # Make sure we reject a description missing standard registers,
  59 # like the PC.
  60 gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  61     "warning: Architecture rejected target-supplied description" \
  62     "set tdesc file single-reg.xml"
  63
  64 # Copy the core registers into the objdir if necessary, so that they
  65 # will be found by <xi:include>.
  66 foreach src ${core-regs} {
  67     file delete "$src"
  68     file copy "$srcdir/../features/$regdir$src" "$src"
  69 }
  70
  71 # Similarly, we need to copy files under test into the objdir.
  72 proc load_description { file errmsg } {
  73     global srcdir
  74     global subdir
  75     global gdb_prompt
  76     global core-regs
  77
  78     file delete "regs.xml"
  79     set ifd [open "$srcdir/$subdir/$file" r]
  80     set ofd [open "regs.xml" w]
  81     while {[gets $ifd line] >= 0} {
  82         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
  83             foreach src ${core-regs} {
  84                 puts $ofd "  <xi:include href=\"$src\"/>"
  85             }
  86         } else {
  87             puts $ofd $line
  88         }
  89     }
  90     close $ifd
  91     close $ofd
  92
  93     # Anchor the test output, so that error messages are detected.
  94     set cmd "set tdesc filename regs.xml"
  95     set msg "set tdesc filename $file"
  96     set cmd_regex [string_to_regexp $cmd]
  97     gdb_test_multiple $cmd $msg {
  98         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
  99             pass $msg
 100         }
 101     }
 102 }
 103
 104 load_description "extra-regs.xml" ""
 105 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
 106 gdb_test "ptype \$uintreg" "type = uint32_t"
 107 gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"
 108 gdb_test "ptype \$unionreg" \
 109     "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 110 gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"
 111
 112 load_description "core-only.xml" ""
 113 # The extra register from the previous description should be gone.
 114 gdb_test "ptype \$extrareg" "type = void"
 115
 116 foreach src ${core-regs} {
 117     file delete "$src"
 118 }
 119 file delete "regs.xml"