gdb/testsuite/gdb.hp/gdb.base-hp/reg.exp

   1 # This test script is part of GDB, the GNU debugger.
   2
   3 # Copyright 1998-1999, 2001, 2004, 2012 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 # Tests of wide register displays for GDB on HPPA 2.0 machines
  19
  20 # use this to debug:
  21 #log_user 1
  22
  23 if { [skip_hp_tests] } then { continue }
  24
  25 set testfile "reg"
  26
  27 if [istarget "hppa64-hp-hpux*"] {
  28     verbose "reg.exp is not for PA2.0W."
  29     return 0
  30 }
  31 set srcfile ${testfile}.s
  32 set binfile ${objdir}/${subdir}/${testfile}
  33
  34 # To build a pa 2.0 executable
  35 #
  36 #     as -o reg reg.s
  37 # or
  38 #     cc -g -o reg reg.s
  39 #
  40 # The +DA2.0N flag doesn't seem to be needed.
  41 #
  42 # Don't reject if there are warnings, as we expect this warning:
  43 #
  44 #    (Warning) At least one PA 2.0 object file (pa2.0_test2.o) was detected.
  45 #    The linked output may not run on a PA 1.x system.
  46 #
  47
  48 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  49      untested reg.exp
  50      return -1
  51 }
  52
  53 gdb_exit
  54 gdb_start
  55 gdb_reinitialize_dir $srcdir/$subdir
  56 gdb_load ${binfile}
  57
  58 # test machine--there's no 2.0n architecture, so we have
  59 # to try to run the app.
  60 #
  61 send_gdb "break main\n"
  62     gdb_expect {
  63         -re "Breakpoint.*$gdb_prompt $" {
  64             pass "initial set-up"
  65         }
  66         -re ".*$gdb_prompt $" {
  67             fail "initial set-up"
  68         }
  69         timeout {
  70             fail "initial set-up (timeout)"
  71         }
  72     }
  73
  74 send_gdb "run\n"
  75     gdb_expect {
  76         -re ".*Executable file incompatible with hardware.*$gdb_prompt $" {
  77             # Not hppa2.0 machine
  78             #
  79             return 0
  80         }
  81         -re "Cannot exec.*$gdb_prompt $" {
  82             # Not hppa2.0 machine
  83             #
  84             return 0
  85         }
  86         -re ".*Starting program:.*$gdb_prompt $" {
  87             pass "Ready to start test"
  88         }
  89         timeout {
  90             fail "initial set-up, part 2 (timeout)"
  91             return 0
  92         }
  93     }
  94
  95 # Let the program set known values.  This secretly deletes
  96 # the breakpoint at main and re-runs to mainend.
  97 #
  98 runto mainend
  99
 100 # Look for known values
 101 #
 102 # The output format changed between gdb 6.1.1 and gdb HEAD 2004-06-01.
 103 #
 104 #   gdb 6.1.1:
 105 #   (gdb) info reg r1
 106 #   r1 1
 107 #
 108 #   gdb HEAD 2004-06-01:
 109 #   (gdb) info reg r1
 110 #   r1             0x1     1
 111 #
 112 # For now, I accept both formats.  In the future, you can remove
 113 # the old gdb 6.1.1 format.
 114 #
 115 # -- chastain 2004-06-26
 116
 117 set ws "\[\r\n\t \]+"
 118
 119 proc hp_integer_reg {regname vhex vdec} {
 120   global ws
 121   set value_611 "$regname${ws}$vhex"
 122   set value_new "$regname${ws}0x$vhex${ws}$vdec"
 123   gdb_test "info reg $regname" "$value_611|$value_new"
 124 }
 125
 126 hp_integer_reg "r1"      "1"     "1"
 127 hp_integer_reg "r4"      "2"     "2"
 128 hp_integer_reg "r5"      "4"     "4"
 129 hp_integer_reg "r6"      "8"     "8"
 130 hp_integer_reg "r7"     "10"    "16"
 131 hp_integer_reg "r8"     "20"    "32"
 132 hp_integer_reg "r9"     "40"    "64"
 133 hp_integer_reg "r10"    "80"   "128"
 134 hp_integer_reg "r11"   "100"   "256"
 135 hp_integer_reg "r12"   "200"   "512"
 136 hp_integer_reg "r13"   "400"  "1024"
 137 hp_integer_reg "r14"   "800"  "2048"
 138 hp_integer_reg "r15"  "1000"  "4096"
 139 hp_integer_reg "r16"  "2000"  "8192"
 140
 141 # Two odd variants that GDB supports are:
 142 #   "1" means "r1", and
 143 #   "$1" means "r1"
 144
 145 hp_integer_reg "1" "1" "1"
 146 hp_integer_reg "4" "2" "2"
 147
 148 set name "info reg \$1"
 149 gdb_test_multiple "info reg \$1" "$name" {
 150     -re "r1${ws}1\r\n$gdb_prompt $" {
 151         pass "$name"
 152     }
 153     -re "r1${ws}0x1${ws}1\r\n$gdb_prompt $" {
 154         pass "$name"
 155     }
 156 }
 157
 158 # Verify that GDB responds gracefully to a register ID number that
 159 # is out of range.
 160
 161 gdb_test "info reg 999" "Invalid register.*999.*"
 162
 163 # Make sure the floating point status and error registers
 164 # don't show up as floating point numbers!
 165
 166 hp_integer_reg "fpsr" "0" "0"
 167 hp_integer_reg "fpe1" "0" "0"
 168 hp_integer_reg "fpe2" "0" "0"
 169 hp_integer_reg "fpe3" "0" "0"
 170 hp_integer_reg "fpe4" "0" "0"
 171 hp_integer_reg "fpe5" "0" "0"
 172 hp_integer_reg "fpe6" "0" "0"
 173 hp_integer_reg "fpe7" "0" "0"
 174
 175 # Floating point registers.
 176 # TODO: these are old format only.
 177
 178 gdb_test "info reg fr4"  ".*fr4.*(double precision).* 1"
 179 gdb_test "info reg fr5"  ".*fr5.*(double precision).* 2"
 180 gdb_test "info reg fr6"  ".*fr6.*(double precision).* 2"
 181 gdb_test "info reg fr7"  ".*fr7.*(double precision).* 4"
 182 gdb_test "info reg fr8"  ".*fr8.*(double precision).* 8"
 183 gdb_test "info reg fr9"  ".*fr9.*(double precision).* 32"
 184 gdb_test "info reg fr10" ".*fr10.*(double precision).* 256"
 185
 186 # An integer register with a 64-bit value.
 187
 188 set name "info reg r19"
 189 gdb_test_multiple "info reg r19" "$name" {
 190     -re "r19${ws}deadbeefbadcadee\r\n$gdb_prompt $" {
 191         # old gdb 6.1.1 format, good result
 192         pass "$name"
 193     }
 194     -re "r19${ws}badcadee\r\n$gdb_prompt $" {
 195         # old gdb 6.1.1 format, bad result
 196         fail "$name (32-bit truncation)"
 197     }
 198     -re "r19${ws}0xdeadbeefbadcadee${ws}16045690984232431086\r\n$gdb_prompt $" {
 199         # new gdb HEAD 2004-06-01 format, good result
 200         pass "$name"
 201     }
 202     -re "r19${ws}0xbadcadee${ws}3135024622\r\n$gdb_prompt $" {
 203         # new gdb HEAD 2004-06-01 format, 32 bit truncation
 204         fail "$name (32-bit truncation)"
 205     }
 206 }
 207
 208 set name "print /x \$r19"
 209 gdb_test_multiple "print /x \$r19" "$name" {
 210     -re "= 0xdeadbeefbadcadee\r\n$gdb_prompt $" {
 211         pass "$name"
 212     }
 213     -re "= 0xbadcadee\r\n$gdb_prompt $" {
 214         # this was a PASS in the last version so keep it PASS for now
 215         # -- chastain 2004-06-26
 216         pass "$name (32-bit truncation)"
 217     }
 218 }
 219
 220 # Need to add tests of setting wide regs too.  E.g.
 221 #
 222 # set $r4 = 0x1234567890123456
 223 # p/x $r4
 224 #
 225
 226 # done
 227 #
 228 gdb_exit
 229
 230 return 0