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

   1 # Copyright 2007-2016 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     "aarch64*-*-*" {
  31         set core-regs {aarch64-core.xml}
  32     }
  33     "arc*-*-*" {
  34         set architecture "arc:ARCv2"
  35         set core-regs {arc-v2.xml}
  36     }
  37     "arm*-*-*" {
  38         set core-regs {arm-core.xml}
  39     }
  40     "*m68k-*-*" {
  41         set core-regs {m68k-core.xml}
  42     }
  43     "mips*-*-*" {
  44         set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml mips-dsp.xml}
  45     }
  46     "nds32*-*-*" {
  47         set core-regs {nds32-core.xml}
  48     }
  49     "nios2-*-*" {
  50         set core-regs {nios2-cpu.xml}
  51     }
  52     "powerpc*-*-*" {
  53         set regdir "rs6000/"
  54         set core-regs {power-core.xml}
  55     }
  56     "s390*-*-*" {
  57         set core-regs {s390-core32.xml s390-acr.xml s390-fpr.xml}
  58     }
  59     "spu*-*-*" {
  60         # This may be either the spu-linux-nat target, or the Cell/B.E.
  61         # multi-architecture debugger in SPU standalone executable mode.
  62         # We do not support XML register sets on SPU in either case.
  63         # However, the multi-arch debugger will accept XML registers sets
  64         # (on the PowerPC side), hence the test below would fail.
  65         # Simply return unconditionally here.
  66         unsupported "register tests"
  67         return 0
  68     }
  69     "tic6x-*-*" {
  70         set core-regs {tic6x-core.xml}
  71     }
  72     "i?86-*-*" {
  73         set architecture "i386"
  74         set regdir "i386/"
  75         set core-regs {32bit-core.xml 32bit-sse.xml}
  76     }
  77     "x86_64-*-*" {
  78         set architecture "i386:x86-64"
  79         set regdir "i386/"
  80         set core-regs {64bit-core.xml 64bit-sse.xml}
  81     }
  82 }
  83
  84 # If no core registers were specified, assume this target does not
  85 # support target-defined registers.  Verify that we get a warning if
  86 # we try to use them.  This not only tests the warning, but also
  87 # reminds maintainers to add test support when they add the feature.
  88
  89 set single_reg_xml [gdb_remote_download host  \
  90                         "$srcdir/$subdir/single-reg.xml"]
  91
  92 if {[string equal ${core-regs} ""]} {
  93     gdb_test "set tdesc file $single_reg_xml" \
  94         "warning: Target-supplied registers are not supported.*" \
  95         "set tdesc file single-reg.xml"
  96     unsupported "register tests"
  97     return 0
  98 }
  99
 100 # Otherwise, we support both XML and target defined registers.
 101
 102 # Make sure we reject a description missing standard registers,
 103 # like the PC.
 104 gdb_test "set tdesc file $single_reg_xml" \
 105     "warning: Architecture rejected target-supplied description" \
 106     "set tdesc file single-reg.xml"
 107
 108 # Copy the core registers into the objdir if necessary, so that they
 109 # will be found by <xi:include>.
 110 foreach src ${core-regs} {
 111     set remote_filename($src) \
 112         [gdb_remote_download host "$srcdir/../features/$regdir$src"]
 113 }
 114
 115 # Similarly, we need to copy files under test into the objdir.
 116 proc load_description { file errmsg xml_file } {
 117     global srcdir
 118     global subdir
 119     global gdb_prompt
 120     global core-regs
 121     global architecture
 122     global remote_filename
 123
 124     set regs_file [standard_output_file $xml_file]
 125
 126     file delete $regs_file
 127     set ifd [open "$srcdir/$subdir/$file" r]
 128     set ofd [open $regs_file w]
 129     while {[gets $ifd line] >= 0} {
 130         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
 131             if {! [string equal ${architecture} ""]} {
 132                 puts $ofd "  <architecture>${architecture}</architecture>"
 133             }
 134             foreach src ${core-regs} {
 135                 puts $ofd "  <xi:include href=\"$src\"/>"
 136             }
 137         } else {
 138             puts $ofd $line
 139         }
 140     }
 141     close $ifd
 142     close $ofd
 143
 144     if {[is_remote host]} {
 145         set regs_file [remote_download host "$subdir/$xml_file" $xml_file]
 146     }
 147
 148     # Anchor the test output, so that error messages are detected.
 149     set cmd "set tdesc filename [file tail $regs_file]"
 150     set msg "set tdesc filename $xml_file - from $file"
 151     set cmd_regex [string_to_regexp $cmd]
 152     gdb_test_multiple $cmd $msg {
 153         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
 154             pass $msg
 155         }
 156     }
 157 }
 158
 159 if {![is_remote host]} {
 160     gdb_test "cd [standard_output_file {}]" "Working directory .*" \
 161         "cd to directory holding xml"
 162 }
 163
 164 load_description "extra-regs.xml" "" "test-extra-regs.xml"
 165 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
 166 gdb_test "ptype \$uintreg" "type = uint32_t"
 167 gdb_test "ptype \$vecreg" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 168 gdb_test "ptype \$unionreg" \
 169     "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 170 gdb_test "ptype \$unionreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 171 gdb_test "ptype \$structreg" \
 172     "type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 173 gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 174 gdb_test "ptype \$bitfields" \
 175     "type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
 176 gdb_test "ptype \$flags" \
 177     "type = flag flags {\r\n *uint32_t X @0;\r\n *uint32_t Y @2;\r\n}"
 178 gdb_test "ptype \$mixed_flags" \
 179     "type = flag mixed_flags {\r\n *bool A @0;\r\n *uint32_t B @1;\r\n *bool C @2;\r\n *uint32_t D @3;\r\n *uint32_t @4-5;\r\n *uint32_t E @6-7;\r\n *enum {yes = 1, no = 0, maybe = 2, so} Z @8-9;\r\n}"
 180
 181 load_description "core-only.xml" "" "test-regs.xml"
 182 # The extra register from the previous description should be gone.
 183 gdb_test "ptype \$extrareg" "type = void"