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

   1 # Copyright 2007-2015 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
  79 set single_reg_xml [gdb_remote_download host  \
  80                         "$srcdir/$subdir/single-reg.xml"]
  81
  82 if {[string equal ${core-regs} ""]} {
  83     gdb_test "set tdesc file $single_reg_xml" \
  84         "warning: Target-supplied registers are not supported.*" \
  85         "set tdesc file single-reg.xml"
  86     unsupported "register tests"
  87     return 0
  88 }
  89
  90 # Otherwise, we support both XML and target defined registers.
  91
  92 # Make sure we reject a description missing standard registers,
  93 # like the PC.
  94 gdb_test "set tdesc file $single_reg_xml" \
  95     "warning: Architecture rejected target-supplied description" \
  96     "set tdesc file single-reg.xml"
  97
  98 # Copy the core registers into the objdir if necessary, so that they
  99 # will be found by <xi:include>.
 100 foreach src ${core-regs} {
 101     set remote_filename($src) \
 102         [gdb_remote_download host "$srcdir/../features/$regdir$src"]
 103 }
 104
 105 # Similarly, we need to copy files under test into the objdir.
 106 proc load_description { file errmsg } {
 107     global srcdir
 108     global subdir
 109     global gdb_prompt
 110     global core-regs
 111     global architecture
 112     global remote_filename
 113
 114     set regs_file [standard_output_file regs.xml]
 115
 116     file delete $regs_file
 117     set ifd [open "$srcdir/$subdir/$file" r]
 118     set ofd [open $regs_file w]
 119     while {[gets $ifd line] >= 0} {
 120         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
 121             if {! [string equal ${architecture} ""]} {
 122                 puts $ofd "  <architecture>${architecture}</architecture>"
 123             }
 124             foreach src ${core-regs} {
 125                 puts $ofd "  <xi:include href=\"$src\"/>"
 126             }
 127         } else {
 128             puts $ofd $line
 129         }
 130     }
 131     close $ifd
 132     close $ofd
 133
 134     if {[is_remote host]} {
 135         set regs_file [remote_download host "$subdir/regs.xml" "regs.xml"]
 136     }
 137
 138     # Anchor the test output, so that error messages are detected.
 139     set cmd "set tdesc filename [file tail $regs_file]"
 140     set msg "set tdesc filename regs.xml - from $file"
 141     set cmd_regex [string_to_regexp $cmd]
 142     gdb_test_multiple $cmd $msg {
 143         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
 144             pass $msg
 145         }
 146     }
 147
 148     if {[is_remote host]} {
 149         remote_file host delete "regs.xml"
 150     }
 151 }
 152
 153 if {![is_remote host]} {
 154     gdb_test "cd [standard_output_file {}]" "Working directory .*" \
 155         "cd to directory holding xml"
 156 }
 157
 158 load_description "extra-regs.xml" ""
 159 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
 160 gdb_test "ptype \$uintreg" "type = uint32_t"
 161 gdb_test "ptype \$vecreg" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 162 gdb_test "ptype \$unionreg" \
 163     "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 164 gdb_test "ptype \$unionreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 165 gdb_test "ptype \$structreg" \
 166     "type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 167 gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 168 gdb_test "ptype \$bitfields" \
 169     "type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
 170
 171 load_description "core-only.xml" ""
 172 # The extra register from the previous description should be gone.
 173 gdb_test "ptype \$extrareg" "type = void"