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

   1 # Copyright 2007-2013 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 set architecture ""
  29 switch -glob -- [istarget] {
  30     "arm*-*-*" {
  31         set core-regs {arm-core.xml}
  32     }
  33     "*m68k-*-*" {
  34         set core-regs {m68k-core.xml}
  35     }
  36     "mips*-*-*" {
  37         set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml mips-dsp.xml}
  38     }
  39     "nios2-*-*" {
  40         set core-regs {nios2-cpu.xml}
  41     }
  42     "powerpc*-*-*" {
  43         set regdir "rs6000/"
  44         set core-regs {power-core.xml}
  45     }
  46     "s390*-*-*" {
  47         set core-regs {s390-core32.xml s390-acr.xml s390-fpr.xml}
  48     }
  49     "spu*-*-*" {
  50         # This may be either the spu-linux-nat target, or the Cell/B.E.
  51         # multi-architecture debugger in SPU standalone executable mode.
  52         # We do not support XML register sets on SPU in either case.
  53         # However, the multi-arch debugger will accept XML registers sets
  54         # (on the PowerPC side), hence the test below would fail.
  55         # Simply return unconditionally here.
  56         unsupported "register tests"
  57         return 0
  58     }
  59     "tic6x-*-*" {
  60         set core-regs {tic6x-core.xml}
  61     }
  62     "i?86-*-*" {
  63         set architecture "i386"
  64         set regdir "i386/"
  65         set core-regs {32bit-core.xml 32bit-sse.xml}
  66     }
  67     "x86_64-*-*" {
  68         set architecture "i386:x86-64"
  69         set regdir "i386/"
  70         set core-regs {64bit-core.xml 64bit-sse.xml}
  71     }
  72 }
  73
  74 # If no core registers were specified, assume this target does not
  75 # support target-defined registers.  Verify that we get a warning if
  76 # we try to use them.  This not only tests the warning, but also
  77 # reminds maintainers to add test support when they add the feature.
  78 if {[string equal ${core-regs} ""]} {
  79     gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  80         "warning: Target-supplied registers are not supported.*" \
  81         "set tdesc file single-reg.xml"
  82     unsupported "register tests"
  83     return 0
  84 }
  85
  86 # Otherwise, we support both XML and target defined registers.
  87
  88 # Make sure we reject a description missing standard registers,
  89 # like the PC.
  90 gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
  91     "warning: Architecture rejected target-supplied description" \
  92     "set tdesc file single-reg.xml"
  93
  94 # Copy the core registers into the objdir if necessary, so that they
  95 # will be found by <xi:include>.
  96 foreach src ${core-regs} {
  97     set file [remote_download host "$srcdir/../features/$regdir$src" "$src"]
  98 }
  99
 100 # Similarly, we need to copy files under test into the objdir.
 101 proc load_description { file errmsg } {
 102     global srcdir
 103     global subdir
 104     global gdb_prompt
 105     global core-regs
 106     global architecture
 107
 108     file delete "$subdir/regs.xml"
 109     set ifd [open "$srcdir/$subdir/$file" r]
 110     set ofd [open "$subdir/regs.xml" w]
 111     while {[gets $ifd line] >= 0} {
 112         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
 113             if {! [string equal ${architecture} ""]} {
 114                 puts $ofd "  <architecture>${architecture}</architecture>"
 115             }
 116             foreach src ${core-regs} {
 117                 puts $ofd "  <xi:include href=\"$src\"/>"
 118             }
 119         } else {
 120             puts $ofd $line
 121         }
 122     }
 123     close $ifd
 124     close $ofd
 125     remote_download host "$subdir/regs.xml" "regs.xml"
 126     file delete "$subdir/regs.xml"
 127
 128     # Anchor the test output, so that error messages are detected.
 129     set cmd "set tdesc filename regs.xml"
 130     set msg "set tdesc filename regs.xml - from $file"
 131     set cmd_regex [string_to_regexp $cmd]
 132     gdb_test_multiple $cmd $msg {
 133         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
 134             pass $msg
 135         }
 136     }
 137     remote_file host delete "regs.xml"
 138 }
 139
 140 load_description "extra-regs.xml" ""
 141 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
 142 gdb_test "ptype \$uintreg" "type = uint32_t"
 143 gdb_test "ptype \$vecreg" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 144 gdb_test "ptype \$unionreg" \
 145     "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 146 gdb_test "ptype \$unionreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 147 gdb_test "ptype \$structreg" \
 148     "type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 149 gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 150 gdb_test "ptype \$bitfields" \
 151     "type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
 152
 153 load_description "core-only.xml" ""
 154 # The extra register from the previous description should be gone.
 155 gdb_test "ptype \$extrareg" "type = void"
 156
 157 foreach src ${core-regs} {
 158     remote_file host delete "$src"
 159 }