gdb/testsuite/gdb.base/float.exp

   1 # Copyright 2003-2021 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 "failed to prepare" 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 { [is_aarch64_target] } then {
  40     gdb_test "info float" "d0.*d1.*d31.*s0.*s1.*s31.*"
  41 } elseif { [istarget "alpha*-*-*"] } then {
  42     gdb_test "info float" "f0.*"
  43 } elseif { [is_aarch32_target] } then {
  44     gdb_test_multiple "info float" "info float" {
  45         -re "Software FPU type.*mask:.*flags:.*$gdb_prompt $" {
  46             pass "info float (FPA)"
  47         }
  48         -re "fpscr.*s0.*s1.*s31.*$gdb_prompt $" {
  49             # Only check for single precision; d0 might be a vector register
  50             # if we have NEON.
  51             pass "info float (VFP)"
  52         }
  53         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  54             pass "info float (without FPU)"
  55         }
  56     }
  57 } elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } then {
  58     gdb_test "info float" "R7:.*Status Word:.*Opcode:.*"
  59 } elseif [istarget "ia64-*-*"] then {
  60     gdb_test "info float" "f0.*f1.*f127.*"
  61 } elseif [istarget "m68k-*-*"] then {
  62     gdb_test_multiple "info float" "info_float" {
  63         -re "fp0.*fp1.*fp7.*$gdb_prompt $" {
  64             pass "info float (with FPU)"
  65         }
  66         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  67             pass "info float (without FPU)"
  68         }
  69     }
  70 } elseif [istarget "mips*-*-*"] then {
  71     gdb_test_multiple "info float" "info float" {
  72         -re "fpu type: none / unused\r\n$gdb_prompt $" {
  73               pass "info float (without FPU)"
  74           }
  75         -re "fpu type:.*cause.*mask.*flags.*round.*flush.*f0:.*flt:.*dbl:.*$gdb_prompt $" {
  76               pass "info float (with FPU)"
  77           }
  78     }
  79 } elseif [istarget "nds32*-*-*"] then {
  80     gdb_test_multiple "info float" "info_float" {
  81         -re "fd0.*fd3.*$gdb_prompt $" {
  82             pass "info float (with FPU)"
  83         }
  84         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  85             pass "info float (without FPU)"
  86         }
  87     }
  88 } elseif [istarget "powerpc*-*-*"] then {
  89     gdb_test_multiple "info float" "info_float" {
  90         -re "f0.*f1.*f31.*fpscr.*$gdb_prompt $" {
  91             pass "info float (with FPU)"
  92         }
  93         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  94             pass "info float (without FPU)"
  95         }
  96     }
  97 } elseif [istarget "s390*-*-*"] then {
  98     gdb_test "info float" "fpc.*f0.*f1.*f15.*" "info float"
  99 } elseif [istarget "sh*-*"] then {
 100     # SH may or may not have an FPU
 101     gdb_test_multiple "info float" "info float" {
 102         -re "fpul.*fr0.*fr1.*fr15.*$gdb_prompt $" {
 103               pass "info float (with FPU)"
 104           }
 105         -re "No floating.point info available for this processor.*$gdb_prompt $" {
 106               pass "info float (without FPU)"
 107         }
 108     }
 109 } elseif [istarget "hppa*-*"] then {
 110     gdb_test "info float" "fr4.*fr4R.*fr31R.*" "info float"
 111 } elseif [istarget "sparc*-*-*"] then {
 112     gdb_test "info float" "f0.*f1.*f31.*d0.*d30.*" "info float"
 113 } elseif [istarget "riscv*-*-*"] then {
 114     # RISC-V may or may not have an FPU
 115     gdb_test_multiple "info float" "info float" {
 116         -re "ft0.*ft1.*ft11.*fflags.*frm.*fcsr.*$gdb_prompt $" {
 117               pass "info float (with FPU)"
 118           }
 119         -re "No floating.point info available for this processor.*$gdb_prompt $" {
 120               pass "info float (without FPU)"
 121         }
 122     }
 123 } else {
 124     gdb_test "info float" "No floating.point info available for this processor." "info float (unknown target)"
 125 }
 126
 127 gdb_test "step"
 128 gdb_test "finish" "Value returned is .* = (inf|nan).*"