gdb/testsuite/gdb.arch/mips-fcr.exp

   1 # Copyright (C) 2016-2019 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 # Contributed by Imagination Technologies, written by Maciej W. Rozycki.
  17
  18 # Test MIPS Floating Point Control Register handling.
  19
  20 if { ![istarget "mips*-*-*"] } then {
  21     verbose "Skipping MIPS Floating Point Control Register tests."
  22     return
  23 }
  24
  25 standard_testfile
  26
  27 if { [prepare_for_testing "failed to prepare" ${testfile}] } {
  28     return
  29 }
  30
  31 if ![runto_main] {
  32     return
  33 }
  34
  35 # First check if we have an FPU available in the first place.
  36 gdb_test_multiple "show mipsfpu" "check for MIPS floating-point coprocessor" {
  37     -re "The MIPS floating-point coprocessor .*\(absent\|unknown\).*$gdb_prompt $" {
  38         unsupported "no MIPS floating-point coprocessor in the processor"
  39         return
  40     }
  41     -re "The MIPS floating-point coprocessor .*$gdb_prompt $" {
  42         verbose "MIPS floating-point coprocessor check successful."
  43     }
  44     default {
  45         fail
  46         return
  47     }
  48 }
  49
  50 # Now check that FCRs are accessible and 32-bit wide.
  51 gdb_test "info registers \$fcsr" "fcsr: $hex"
  52 gdb_test "print sizeof \$fcsr" "\\\$$decimal = 4"
  53 gdb_test "info registers \$fir" "fir: $hex"
  54 gdb_test "print sizeof \$fir" "\\\$$decimal = 4"