gdb/testsuite/gdb.arch/powerpc-d128-regs.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2008-2019 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 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@gnu.org
  20
  21 # Testcase for ppc decimal128 pseudo-registers.
  22
  23 if ![istarget "powerpc64*-*"] then {
  24     verbose "Skipping powerpc Decimal128 pseudo-registers testcase."
  25     return
  26 }
  27
  28 standard_testfile
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
  31      untested "failed to compile"
  32      return -1
  33 }
  34
  35 # Start with a fresh gdb.
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 if { ![runto main] } then {
  43    fail "run to main"
  44    return
  45 }
  46
  47 if [gdb_test "show arch" ".*currently powerpc:common.*" "checking for PPC arch"] {
  48     return -1
  49 }
  50
  51 gdb_test "next" ""
  52
  53 for {set i 0} {$i < 16} {incr i 1} {
  54 gdb_test "set \$dl$i=d128" "" "set dl$i register"
  55
  56 gdb_test "print \$dl$i" "\\\$$decimal = 1\.2345678910" "print dl$i register as DFP"
  57
  58 gdb_test "info reg dl$i" \
  59          "dl$i\[ \]*1\.2345678910\[ \t\]*\\(raw 0x2205800000000000000000049c5de09c\\)" \
  60          "print dl$i register with the info reg command"
  61
  62 gdb_test "info reg f[expr 2*$i]" \
  63          "f[expr 2*$i]\[ \]*8\.608957309287334e\-145\[ \t\]*\\(raw 0x2205800000000000\\)" \
  64          "testing lower half of dl$i register"
  65
  66 gdb_test "info reg f[expr 2*$i+1]" \
  67          "f[expr 2*$i+1]\[ \]*9\.7841140127686122e\-314\[ \t\]*\\(raw 0x000000049c5de09c\\)" \
  68          "testing upper half of dl$i register"
  69
  70 }