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