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

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2008-2016 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 set testfile "powerpc-d128-regs"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
  33      untested powerpc-d128-regs.exp
  34      return -1
  35 }
  36
  37 # Start with a fresh gdb.
  38
  39 gdb_exit
  40 gdb_start
  41 gdb_reinitialize_dir $srcdir/$subdir
  42 gdb_load ${binfile}
  43
  44 if { ![runto main] } then {
  45    fail "run to main"
  46    return
  47 }
  48
  49 if [gdb_test "show arch" ".*currently powerpc:common.*" "Checking for PPC arch"] {
  50     return -1
  51 }
  52
  53 gdb_test "next" ""
  54
  55 for {set i 0} {$i < 16} {incr i 1} {
  56 gdb_test "set \$dl$i=d128" "" "Set dl$i register"
  57
  58 gdb_test "print \$dl$i" "\\\$$decimal = 1\.2345678910" "Print dl$i register as DFP"
  59
  60 gdb_test "info reg dl$i" \
  61          "dl$i\[ \]*1\.2345678910\[\t\]*\\(raw 0x2205800000000000000000049c5de09c\\)" \
  62          "Print dl$i register with the info reg command"
  63
  64 gdb_test "info reg f[expr 2*$i]" \
  65          "f[expr 2*$i]\[ \]*8\.608957309287334e\-145\[\t\]*\\(raw 0x2205800000000000\\)" \
  66          "Testing lower half of dl$i register"
  67
  68 gdb_test "info reg f[expr 2*$i+1]" \
  69          "f[expr 2*$i+1]\[ \]*9\.7841140127686122e\-314\[\t\]*\\(raw 0x000000049c5de09c\\)" \
  70          "Testing upper half of dl$i register"
  71
  72 }