gdb/testsuite/gdb.base/float.exp

   1 # Copyright 2003-2013 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@gnu.org
  18
  19 # This file is part of the gdb testsuite.
  20
  21 #
  22 # Test floating-point related functionality.
  23 #
  24
  25
  26 if { [prepare_for_testing float.exp float float.c] } {
  27     return -1
  28 }
  29
  30 # Set it up at a breakpoint so we have its registers.
  31
  32 if ![runto_main] then {
  33     perror "couldn't run to breakpoint"
  34     continue
  35 }
  36
  37 # Test "info float".
  38
  39 if { [istarget "alpha*-*-*"] } then {
  40     gdb_test "info float" "f0.*" "info float"
  41 } elseif { [istarget "arm*-*-*"] } then {
  42     gdb_test_multiple "info float" "info float" {
  43         -re "Software FPU type.*mask:.*flags:.*$gdb_prompt $" {
  44             pass "info float (FPA)"
  45         }
  46         -re "fpscr.*s0.*s1.*s31.*$gdb_prompt $" {
  47             # Only check for single precision; d0 might be a vector register
  48             # if we have NEON.
  49             pass "info float (VFP)"
  50         }
  51         -re "No floating.point info available for this processor.*" {
  52             pass "info float (without FPU)"
  53         }
  54     }
  55 } elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } then {
  56     gdb_test "info float" "R7:.*Status Word:.*Opcode:.*" "info float"
  57 } elseif [istarget "ia64-*-*"] then {
  58     gdb_test "info float" "f0.*f1.*f127.*" "info float"
  59 } elseif [istarget "m68k-*-*"] then {
  60     gdb_test_multiple "info float" "info_float" {
  61         -re "fp0.*fp1.*fp7.*$gdb_prompt $" {
  62             pass "info float (with FPU)"
  63         }
  64         -re "No floating.point info available for this processor.*" {
  65             pass "info float (without FPU)"
  66         }
  67     }
  68 } elseif [istarget "mips*-*-*"] then {
  69     gdb_test "info float" "f0:.*flt:.*dbl:.*" "info float"
  70 } elseif [istarget "powerpc*-*-*"] then {
  71     gdb_test_multiple "info float" "info_float" {
  72         -re "f0.*f1.*f31.*fpscr.*$gdb_prompt $" {
  73             pass "info float (with FPU)"
  74         }
  75         -re "No floating.point info available for this processor.*" {
  76             pass "info float (without FPU)"
  77         }
  78     }
  79 } elseif [istarget "s390*-*-*"] then {
  80     gdb_test "info float" "fpc.*f0.*f1.*f15.*" "info float"
  81 } elseif [istarget "sh*-*"] then {
  82     # SH may or may not have an FPU
  83     gdb_test_multiple "info float" "info float" {
  84         -re "fpul.*fr0.*fr1.*fr15.*$gdb_prompt $" {
  85               pass "info float (with FPU)"
  86           }
  87         -re "No floating.point info available for this processor.*" {
  88               pass "info float (without FPU)"
  89         }
  90     }
  91 } elseif [istarget "hppa*-*"] then {
  92     gdb_test "info float" "fr4.*fr4R.*fr31R.*" "info float"
  93 } elseif [istarget "sparc*-*-*"] then {
  94     gdb_test "info float" "f0.*f1.*f31.*d0.*d30.*" "info float"
  95 } else {
  96     gdb_test "info float" "No floating.point info available for this processor." "info float (unknown target)"
  97 }
  98
  99 gdb_test "step"
 100 gdb_test "finish" "Value returned is .* = (inf|nan).*"