1# Copyright 2003-2020 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
26if { [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
32if ![runto_main] then {
33    perror "couldn't run to breakpoint"
34    continue
35}
36
37# Test "info float".
38
39if { [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
127gdb_test "step"
128gdb_test "finish" "Value returned is .* = (inf|nan).*"
129