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