gdb/testsuite/gdb.arch/i386-float.exp

# Copyright (C) 2009-2018 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


# This file is part of the gdb testsuite.

# Test the x87 floating point information printout.

if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
    verbose "Skipping i386 tests for x87 floating point support."
    return
}

standard_testfile .S

# some targets have leading underscores on assembly symbols.
set additional_flags [gdb_target_symbol_prefix_flags_asm]

if { [prepare_for_testing "failed to prepare" $testfile $srcfile [list debug $additional_flags]] } {
    return -1
}

if ![runto_main] then {
    fail "can't run to main"
    return 0
}

with_test_prefix "zero" {
    gdb_test "stepi" ".*fldt.*"
    gdb_test "info float" "R7: Empty   0x00000000000000000000\r\n.*"
}
with_test_prefix "val" {
    gdb_test "stepi" ".*fldt.*"
    gdb_test "info float" "=>R7: Valid   0xbffee922191107450000 .*"
}
with_test_prefix "smallval" {
    gdb_test "stepi" ".*fldt.*"
    gdb_test "info float" "=>R6: Valid   0x03e5c6f8c103dc90456a \\+3.500000000000000007e-4632\r\n.*"
}
with_test_prefix "bigval" {
    gdb_test "stepi" ".*ret.*"
    gdb_test "info float" "=>R5: Valid   0x6a5cc643b78165d7d0e9 \\+7.250000000000000005e\\+3264\r\n.*"
}