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

   1 # Copyright 2007-2021 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 regdir "arc/"
  36         set core-regs {v2-core.xml v2-aux.xml}
  37     }
  38     "arm*-*-*" {
  39         set regdir "arm/"
  40         set core-regs {arm-core.xml}
  41     }
  42     "*m68k-*-*" {
  43         set core-regs {m68k-core.xml}
  44     }
  45     "mips*-*-*" {
  46         set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml mips-dsp.xml}
  47     }
  48     "nds32*-*-*" {
  49         set core-regs {nds32-core.xml}
  50     }
  51     "nios2-*-*" {
  52         set core-regs {nios2-cpu.xml}
  53     }
  54     "or1k-*-*" {
  55         set core-regs {or1k-core.xml}
  56     }
  57     "powerpc*-*-*" {
  58         set regdir "rs6000/"
  59         set core-regs {power-core.xml}
  60     }
  61     "s390*-*-*" {
  62         set core-regs {s390-core32.xml s390-acr.xml s390-fpr.xml}
  63     }
  64     "sparc-*-*" {
  65         set regdir "sparc/"
  66         set core-regs {sparc32-cpu.xml sparc32-fpu.xml sparc32-cp0.xml}
  67     }
  68     "sparc64-*-*" {
  69         set architecture "sparc:v9"
  70         set regdir "sparc/"
  71         set core-regs {sparc64-cpu.xml sparc64-fpu.xml sparc64-cp0.xml}
  72     }
  73     "tic6x-*-*" {
  74         set core-regs {tic6x-core.xml}
  75     }
  76     "i?86-*-*" {
  77         set architecture "i386"
  78         set regdir "i386/"
  79         set core-regs {32bit-core.xml 32bit-sse.xml}
  80     }
  81     "x86_64-*-*" {
  82         set architecture "i386:x86-64"
  83         set regdir "i386/"
  84         set core-regs {64bit-core.xml 64bit-sse.xml}
  85     }
  86 }
  87
  88 # If no core registers were specified, assume this target does not
  89 # support target-defined registers.  Verify that we get a warning if
  90 # we try to use them.  This not only tests the warning, but also
  91 # reminds maintainers to add test support when they add the feature.
  92
  93 set single_reg_xml [gdb_remote_download host  \
  94                         "$srcdir/$subdir/single-reg.xml"]
  95
  96 if {[string equal ${core-regs} ""]} {
  97     gdb_test "set tdesc file $single_reg_xml" \
  98         "warning: Target-supplied registers are not supported.*" \
  99         "set tdesc file single-reg.xml"
 100     unsupported "register tests"
 101     return 0
 102 }
 103
 104 # Otherwise, we support both XML and target defined registers.
 105
 106 # Make sure we reject a description missing standard registers,
 107 # like the PC.
 108 gdb_test "set tdesc file $single_reg_xml" \
 109     "warning: Architecture rejected target-supplied description" \
 110     "set tdesc file single-reg.xml"
 111
 112 # Copy the core registers into the objdir if necessary, so that they
 113 # will be found by <xi:include>.
 114 foreach src ${core-regs} {
 115     set remote_filename($src) \
 116         [gdb_remote_download host "$srcdir/../features/$regdir$src"]
 117 }
 118
 119 # Similarly, we need to copy files under test into the objdir.
 120 proc load_description { file errmsg xml_file } {
 121     global srcdir
 122     global subdir
 123     global gdb_prompt
 124     global core-regs
 125     global architecture
 126     global remote_filename
 127
 128     set regs_file [standard_output_file $xml_file]
 129
 130     file delete $regs_file
 131     set ifd [open "$srcdir/$subdir/$file" r]
 132     set ofd [open $regs_file w]
 133     while {[gets $ifd line] >= 0} {
 134         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
 135             if {! [string equal ${architecture} ""]} {
 136                 puts $ofd "  <architecture>${architecture}</architecture>"
 137             }
 138             foreach src ${core-regs} {
 139                 puts $ofd "  <xi:include href=\"$src\"/>"
 140             }
 141         } else {
 142             puts $ofd $line
 143         }
 144     }
 145     close $ifd
 146     close $ofd
 147
 148     if {[is_remote host]} {
 149         set regs_file [remote_download host "$regs_file" $xml_file]
 150     }
 151
 152     # Anchor the test output, so that error messages are detected.
 153     set cmd "set tdesc filename [file tail $regs_file]"
 154     set msg "set tdesc filename $xml_file - from $file"
 155     set cmd_regex [string_to_regexp $cmd]
 156     gdb_test_multiple $cmd $msg {
 157         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
 158             pass $msg
 159         }
 160     }
 161 }
 162
 163 if {![is_remote host]} {
 164     gdb_test "cd [standard_output_file {}]" "Working directory .*" \
 165         "cd to directory holding xml"
 166 }
 167
 168 load_description "extra-regs.xml" "" "test-extra-regs.xml"
 169 gdb_test "ptype \$extrareg" "type = (int32_t|int|long|long long)"
 170 gdb_test "ptype \$uintreg" "type = uint32_t"
 171 gdb_test "ptype \$vecreg" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 172 gdb_test "ptype \$unionreg" \
 173     "type = union vecint {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 174 gdb_test "ptype \$unionreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 175 gdb_test "ptype \$structreg" \
 176     "type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 177 gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 178 gdb_test "ptype \$bitfields" \
 179     "type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
 180 gdb_test "ptype \$flags" \
 181     "type = flag flags {\r\n *bool X @0;\r\n *uint32_t Y @2;\r\n}"
 182 gdb_test "ptype \$mixed_flags" \
 183     "type = flag mixed_flags {\r\n *bool A @0;\r\n *uint32_t B @1-3;\r\n *bool C @4;\r\n *uint32_t D @5;\r\n *uint32_t @6-7;\r\n *enum Z_values {yes = 1, no = 0, maybe = 2, so} Z @8-9;\r\n}"
 184 # Reggroups should have at least general and the extra foo group
 185 gdb_test "maintenance print reggroups" \
 186     " Group\[ \t\]+Type\[ \t\]+\r\n.* general\[ \t\]+user\[ \t\]+\r\n.* foo\[ \t\]+user\[ \t\]+"
 187
 188 with_test_prefix "core-only.xml" {
 189     load_description "core-only.xml" "" "test-regs.xml"
 190     # The extra register from the previous description should be gone.
 191     gdb_test "ptype \$extrareg" "type = void"
 192 }