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

   1 # Copyright (C) 2009-2019 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
  17 # This file is part of the gdb testsuite.
  18
  19 # Test the x87 floating point information printout.
  20
  21 if { ![istarget "i?86-*-*"] && ![istarget "x86_64-*-*"] } then {
  22     verbose "Skipping i386 tests for x87 floating point support."
  23     return
  24 }
  25
  26 standard_testfile .S
  27
  28 # some targets have leading underscores on assembly symbols.
  29 set additional_flags [gdb_target_symbol_prefix_flags_asm]
  30
  31 if { [prepare_for_testing "failed to prepare" $testfile $srcfile [list debug nopie $additional_flags]] } {
  32     return -1
  33 }
  34
  35 if ![runto_main] then {
  36     fail "can't run to main"
  37     return 0
  38 }
  39
  40 with_test_prefix "zero" {
  41     gdb_test "stepi" ".*fldt.*"
  42     gdb_test "info float" "R7: Empty   0x00000000000000000000\r\n.*"
  43 }
  44 with_test_prefix "val" {
  45     gdb_test "stepi" ".*fldt.*"
  46     gdb_test "info float" "=>R7: Valid   0xbffee922191107450000 .*"
  47 }
  48 with_test_prefix "smallval" {
  49     gdb_test "stepi" ".*fldt.*"
  50     gdb_test "info float" "=>R6: Valid   0x03e5c6f8c103dc90456a \\+3.500000000000000007e-4632\r\n.*"
  51 }
  52 with_test_prefix "bigval" {
  53     gdb_test "stepi" ".*ret.*"
  54     gdb_test "info float" "=>R5: Valid   0x6a5cc643b78165d7d0e9 \\+7.250000000000000005e\\+3264\r\n.*"
  55 }