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

   1 # Copyright 2007-2018 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     "spu*-*-*" {
  73         # This may be either the spu-linux-nat target, or the Cell/B.E.
  74         # multi-architecture debugger in SPU standalone executable mode.
  75         # We do not support XML register sets on SPU in either case.
  76         # However, the multi-arch debugger will accept XML registers sets
  77         # (on the PowerPC side), hence the test below would fail.
  78         # Simply return unconditionally here.
  79         unsupported "register tests"
  80         return 0
  81     }
  82     "tic6x-*-*" {
  83         set core-regs {tic6x-core.xml}
  84     }
  85     "i?86-*-*" {
  86         set architecture "i386"
  87         set regdir "i386/"
  88         set core-regs {32bit-core.xml 32bit-sse.xml}
  89     }
  90     "x86_64-*-*" {
  91         set architecture "i386:x86-64"
  92         set regdir "i386/"
  93         set core-regs {64bit-core.xml 64bit-sse.xml}
  94     }
  95 }
  96
  97 # If no core registers were specified, assume this target does not
  98 # support target-defined registers.  Verify that we get a warning if
  99 # we try to use them.  This not only tests the warning, but also
 100 # reminds maintainers to add test support when they add the feature.
 101
 102 set single_reg_xml [gdb_remote_download host  \
 103                         "$srcdir/$subdir/single-reg.xml"]
 104
 105 if {[string equal ${core-regs} ""]} {
 106     gdb_test "set tdesc file $single_reg_xml" \
 107         "warning: Target-supplied registers are not supported.*" \
 108         "set tdesc file single-reg.xml"
 109     unsupported "register tests"
 110     return 0
 111 }
 112
 113 # Otherwise, we support both XML and target defined registers.
 114
 115 # Make sure we reject a description missing standard registers,
 116 # like the PC.
 117 gdb_test "set tdesc file $single_reg_xml" \
 118     "warning: Architecture rejected target-supplied description" \
 119     "set tdesc file single-reg.xml"
 120
 121 # Copy the core registers into the objdir if necessary, so that they
 122 # will be found by <xi:include>.
 123 foreach src ${core-regs} {
 124     set remote_filename($src) \
 125         [gdb_remote_download host "$srcdir/../features/$regdir$src"]
 126 }
 127
 128 # Similarly, we need to copy files under test into the objdir.
 129 proc load_description { file errmsg xml_file } {
 130     global srcdir
 131     global subdir
 132     global gdb_prompt
 133     global core-regs
 134     global architecture
 135     global remote_filename
 136
 137     set regs_file [standard_output_file $xml_file]
 138
 139     file delete $regs_file
 140     set ifd [open "$srcdir/$subdir/$file" r]
 141     set ofd [open $regs_file w]
 142     while {[gets $ifd line] >= 0} {
 143         if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
 144             if {! [string equal ${architecture} ""]} {
 145                 puts $ofd "  <architecture>${architecture}</architecture>"
 146             }
 147             foreach src ${core-regs} {
 148                 puts $ofd "  <xi:include href=\"$src\"/>"
 149             }
 150         } else {
 151             puts $ofd $line
 152         }
 153     }
 154     close $ifd
 155     close $ofd
 156
 157     if {[is_remote host]} {
 158         set regs_file [remote_download host "$subdir/$xml_file" $xml_file]
 159     }
 160
 161     # Anchor the test output, so that error messages are detected.
 162     set cmd "set tdesc filename [file tail $regs_file]"
 163     set msg "set tdesc filename $xml_file - from $file"
 164     set cmd_regex [string_to_regexp $cmd]
 165     gdb_test_multiple $cmd $msg {
 166         -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
 167             pass $msg
 168         }
 169     }
 170 }
 171
 172 if {![is_remote host]} {
 173     gdb_test "cd [standard_output_file {}]" "Working directory .*" \
 174         "cd to directory holding xml"
 175 }
 176
 177 load_description "extra-regs.xml" "" "test-extra-regs.xml"
 178 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
 179 gdb_test "ptype \$uintreg" "type = uint32_t"
 180 gdb_test "ptype \$vecreg" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 181 gdb_test "ptype \$unionreg" \
 182     "type = union vecint {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 183 gdb_test "ptype \$unionreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 184 gdb_test "ptype \$structreg" \
 185     "type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
 186 gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
 187 gdb_test "ptype \$bitfields" \
 188     "type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
 189 gdb_test "ptype \$flags" \
 190     "type = flag flags {\r\n *bool X @0;\r\n *uint32_t Y @2;\r\n}"
 191 gdb_test "ptype \$mixed_flags" \
 192     "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}"
 193 # Reggroups should have at least general and the extra foo group
 194 gdb_test "maintenance print reggroups" \
 195     " Group\[ \t\]+Type\[ \t\]+\r\n.* general\[ \t\]+user\[ \t\]+\r\n.* foo\[ \t\]+user\[ \t\]+"
 196
 197 load_description "core-only.xml" "" "test-regs.xml"
 198 # The extra register from the previous description should be gone.
 199 gdb_test "ptype \$extrareg" "type = void"