gdb/testsuite/gdb.base/float.exp

   1 # Copyright 2003-2024 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]} {
  33     return
  34 }
  35
  36 # Test "info float".
  37
  38 if {[is_aarch64_target]} {
  39     gdb_test "info float" "d0.*d1.*d31.*s0.*s1.*s31.*"
  40 } elseif {[istarget "alpha*-*-*"]} {
  41     gdb_test "info float" "f0.*"
  42 } elseif {[is_aarch32_target]} {
  43     gdb_test_multiple "info float" "info float" {
  44         -re "Software FPU type.*mask:.*flags:.*$gdb_prompt $" {
  45             pass "info float (FPA)"
  46         }
  47         -re "fpscr.*s0.*s1.*s31.*$gdb_prompt $" {
  48             # Only check for single precision; d0 might be a vector register
  49             # if we have NEON.
  50             pass "info float (VFP)"
  51         }
  52         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  53             pass "info float (without FPU)"
  54         }
  55     }
  56 } elseif {[istarget "i?86-*-*"] || [istarget "x86_64-*-*"]} {
  57     gdb_test "info float" "R7:.*Status Word:.*Opcode:.*"
  58 } elseif {[istarget "ia64-*-*"]} {
  59     gdb_test "info float" "f0.*f1.*f127.*"
  60 } elseif {[istarget "m68k-*-*"]} {
  61     gdb_test_multiple "info float" "info_float" {
  62         -re "fp0.*fp1.*fp7.*$gdb_prompt $" {
  63             pass "info float (with FPU)"
  64         }
  65         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  66             pass "info float (without FPU)"
  67         }
  68     }
  69 } elseif {[istarget "mips*-*-*"]} {
  70     gdb_test_multiple "info float" "info float" {
  71         -re "fpu type: none / unused\r\n$gdb_prompt $" {
  72               pass "info float (without FPU)"
  73           }
  74         -re "fpu type:.*cause.*mask.*flags.*round.*flush.*f0:.*flt:.*dbl:.*$gdb_prompt $" {
  75               pass "info float (with FPU)"
  76           }
  77     }
  78 } elseif {[istarget "nds32*-*-*"]} {
  79     gdb_test_multiple "info float" "info_float" {
  80         -re "fd0.*fd3.*$gdb_prompt $" {
  81             pass "info float (with FPU)"
  82         }
  83         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  84             pass "info float (without FPU)"
  85         }
  86     }
  87 } elseif {[istarget "powerpc*-*-*"]} {
  88     gdb_test_multiple "info float" "info_float" {
  89         -re "f0.*f1.*f31.*fpscr.*$gdb_prompt $" {
  90             pass "info float (with FPU)"
  91         }
  92         -re "No floating.point info available for this processor.*$gdb_prompt $" {
  93             pass "info float (without FPU)"
  94         }
  95     }
  96 } elseif {[istarget "s390*-*-*"]} {
  97     gdb_test "info float" "fpc.*f0.*f1.*f15.*" "info float"
  98 } elseif {[istarget "sh*-*"]} {
  99     # SH may or may not have an FPU
 100     gdb_test_multiple "info float" "info float" {
 101         -re "fpul.*fr0.*fr1.*fr15.*$gdb_prompt $" {
 102               pass "info float (with FPU)"
 103           }
 104         -re "No floating.point info available for this processor.*$gdb_prompt $" {
 105               pass "info float (without FPU)"
 106         }
 107     }
 108 } elseif {[istarget "hppa*-*"]} {
 109     gdb_test "info float" "fr4.*fr4R.*fr31R.*" "info float"
 110 } elseif {[istarget "sparc*-*-*"]} {
 111     gdb_test "info float" "f0.*f1.*f31.*d0.*d30.*" "info float"
 112 } elseif {[istarget "riscv*-*-*"]} {
 113     # RISC-V may or may not have an FPU.  Additionally, the order of
 114     # fcsr relative to fflags and frm can change depending on whether
 115     # the fflags and frm registers are implemented as real registers
 116     # (supplied in the target description) or pseudo-registers
 117     # (supplied by GDB as a view into fcsr).
 118     gdb_test_multiple "info float" "info float" {
 119         -re "ft0.*ft1.*ft11.*fflags.*frm.*fcsr.*$gdb_prompt $" {
 120               pass "info float (with FPU)"
 121           }
 122         -re "ft0.*ft1.*ft11.*fcsr.*fflags.*frm.*$gdb_prompt $" {
 123               pass "info float (with FPU)"
 124           }
 125         -re "No floating.point info available for this processor.*$gdb_prompt $" {
 126               pass "info float (without FPU)"
 127         }
 128     }
 129 } elseif {[istarget "loongarch*-*-*"]} {
 130     gdb_test "info float" "f.*fcc0.*fcsr.*" "info float"
 131 } else {
 132     gdb_test "info float" "No floating.point info available for this processor." "info float (unknown target)"
 133 }
 134
 135 gdb_test "step"
 136 gdb_test "finish" "Value returned is .* = (inf|nan).*"