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 $tracelevel then {
  24         strace $tracelevel
  25         }
  26
  27 if { [skip_hp_tests] } then { continue }
  28
  29 set testfile "reg"
  30
  31 if [istarget "hppa64-hp-hpux*"] {
  32     verbose "reg.exp is not for PA2.0W."
  33     return 0
  34 }
  35 set srcfile ${testfile}.s
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38 # To build a pa 2.0 executable
  39 #
  40 #     as -o reg reg.s
  41 # or
  42 #     cc -g -o reg reg.s
  43 #
  44 # The +DA2.0N flag doesn't seem to be needed.
  45 #
  46 # Don't reject if there are warnings, as we expect this warning:
  47 #
  48 #    (Warning) At least one PA 2.0 object file (pa2.0_test2.o) was detected.
  49 #    The linked output may not run on a PA 1.x system.
  50 #
  51
  52 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  53      untested reg.exp
  54      return -1
  55 }
  56
  57 gdb_exit
  58 gdb_start
  59 gdb_reinitialize_dir $srcdir/$subdir
  60 gdb_load ${binfile}
  61
  62 # test machine--there's no 2.0n architecture, so we have
  63 # to try to run the app.
  64 #
  65 send_gdb "break main\n"
  66     gdb_expect {
  67         -re "Breakpoint.*$gdb_prompt $" {
  68             pass "initial set-up"
  69         }
  70         -re ".*$gdb_prompt $" {
  71             fail "initial set-up"
  72         }
  73         timeout {
  74             fail "initial set-up (timeout)"
  75         }
  76     }
  77
  78 send_gdb "run\n"
  79     gdb_expect {
  80         -re ".*Executable file incompatible with hardware.*$gdb_prompt $" {
  81             # Not hppa2.0 machine
  82             #
  83             return 0
  84         }
  85         -re "Cannot exec.*$gdb_prompt $" {
  86             # Not hppa2.0 machine
  87             #
  88             return 0
  89         }
  90         -re ".*Starting program:.*$gdb_prompt $" {
  91             pass "Ready to start test"
  92         }
  93         timeout {
  94             fail "initial set-up, part 2 (timeout)"
  95             return 0
  96         }
  97     }
  98
  99 # Let the program set known values.  This secretly deletes
 100 # the breakpoint at main and re-runs to mainend.
 101 #
 102 runto mainend
 103
 104 # Look for known values
 105 #
 106 # The output format changed between gdb 6.1.1 and gdb HEAD 2004-06-01.
 107 #
 108 #   gdb 6.1.1:
 109 #   (gdb) info reg r1
 110 #   r1 1
 111 #
 112 #   gdb HEAD 2004-06-01:
 113 #   (gdb) info reg r1
 114 #   r1             0x1     1
 115 #
 116 # For now, I accept both formats.  In the future, you can remove
 117 # the old gdb 6.1.1 format.
 118 #
 119 # -- chastain 2004-06-26
 120
 121 set ws "\[\r\n\t \]+"
 122
 123 proc hp_integer_reg {regname vhex vdec} {
 124   global ws
 125   set value_611 "$regname${ws}$vhex"
 126   set value_new "$regname${ws}0x$vhex${ws}$vdec"
 127   gdb_test "info reg $regname" "$value_611|$value_new"
 128 }
 129
 130 hp_integer_reg "r1"      "1"     "1"
 131 hp_integer_reg "r4"      "2"     "2"
 132 hp_integer_reg "r5"      "4"     "4"
 133 hp_integer_reg "r6"      "8"     "8"
 134 hp_integer_reg "r7"     "10"    "16"
 135 hp_integer_reg "r8"     "20"    "32"
 136 hp_integer_reg "r9"     "40"    "64"
 137 hp_integer_reg "r10"    "80"   "128"
 138 hp_integer_reg "r11"   "100"   "256"
 139 hp_integer_reg "r12"   "200"   "512"
 140 hp_integer_reg "r13"   "400"  "1024"
 141 hp_integer_reg "r14"   "800"  "2048"
 142 hp_integer_reg "r15"  "1000"  "4096"
 143 hp_integer_reg "r16"  "2000"  "8192"
 144
 145 # Two odd variants that GDB supports are:
 146 #   "1" means "r1", and
 147 #   "$1" means "r1"
 148
 149 hp_integer_reg "1" "1" "1"
 150 hp_integer_reg "4" "2" "2"
 151
 152 set name "info reg \$1"
 153 gdb_test_multiple "info reg \$1" "$name" {
 154     -re "r1${ws}1\r\n$gdb_prompt $" {
 155         pass "$name"
 156     }
 157     -re "r1${ws}0x1${ws}1\r\n$gdb_prompt $" {
 158         pass "$name"
 159     }
 160 }
 161
 162 # Verify that GDB responds gracefully to a register ID number that
 163 # is out of range.
 164
 165 gdb_test "info reg 999" "Invalid register.*999.*"
 166
 167 # Make sure the floating point status and error registers
 168 # don't show up as floating point numbers!
 169
 170 hp_integer_reg "fpsr" "0" "0"
 171 hp_integer_reg "fpe1" "0" "0"
 172 hp_integer_reg "fpe2" "0" "0"
 173 hp_integer_reg "fpe3" "0" "0"
 174 hp_integer_reg "fpe4" "0" "0"
 175 hp_integer_reg "fpe5" "0" "0"
 176 hp_integer_reg "fpe6" "0" "0"
 177 hp_integer_reg "fpe7" "0" "0"
 178
 179 # Floating point registers.
 180 # TODO: these are old format only.
 181
 182 gdb_test "info reg fr4"  ".*fr4.*(double precision).* 1"
 183 gdb_test "info reg fr5"  ".*fr5.*(double precision).* 2"
 184 gdb_test "info reg fr6"  ".*fr6.*(double precision).* 2"
 185 gdb_test "info reg fr7"  ".*fr7.*(double precision).* 4"
 186 gdb_test "info reg fr8"  ".*fr8.*(double precision).* 8"
 187 gdb_test "info reg fr9"  ".*fr9.*(double precision).* 32"
 188 gdb_test "info reg fr10" ".*fr10.*(double precision).* 256"
 189
 190 # An integer register with a 64-bit value.
 191
 192 set name "info reg r19"
 193 gdb_test_multiple "info reg r19" "$name" {
 194     -re "r19${ws}deadbeefbadcadee\r\n$gdb_prompt $" {
 195         # old gdb 6.1.1 format, good result
 196         pass "$name"
 197     }
 198     -re "r19${ws}badcadee\r\n$gdb_prompt $" {
 199         # old gdb 6.1.1 format, bad result
 200         fail "$name (32-bit truncation)"
 201     }
 202     -re "r19${ws}0xdeadbeefbadcadee${ws}16045690984232431086\r\n$gdb_prompt $" {
 203         # new gdb HEAD 2004-06-01 format, good result
 204         pass "$name"
 205     }
 206     -re "r19${ws}0xbadcadee${ws}3135024622\r\n$gdb_prompt $" {
 207         # new gdb HEAD 2004-06-01 format, 32 bit truncation
 208         fail "$name (32-bit truncation)"
 209     }
 210 }
 211
 212 set name "print /x \$r19"
 213 gdb_test_multiple "print /x \$r19" "$name" {
 214     -re "= 0xdeadbeefbadcadee\r\n$gdb_prompt $" {
 215         pass "$name"
 216     }
 217     -re "= 0xbadcadee\r\n$gdb_prompt $" {
 218         # this was a PASS in the last version so keep it PASS for now
 219         # -- chastain 2004-06-26
 220         pass "$name (32-bit truncation)"
 221     }
 222 }
 223
 224 # Need to add tests of setting wide regs too.  E.g.
 225 #
 226 # set $r4 = 0x1234567890123456
 227 # p/x $r4
 228 #
 229
 230 # done
 231 #
 232 gdb_exit
 233
 234 return 0