gdb/testsuite/gdb.reverse/i387-stack-reverse.exp

   1 # Copyright 2009-2012 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 # This file is part of the gdb testsuite.
  17
  18 if $tracelevel {
  19     strace $tracelevel
  20 }
  21
  22
  23 if ![istarget "i?86-*linux*"] then {
  24     verbose "Skipping i387 reverse float tests."
  25     return
  26 }
  27
  28 set testfile "i387-stack-reverse"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31
  32 # some targets have leading underscores on assembly symbols.
  33 set additional_flags [gdb_target_symbol_prefix_flags]
  34
  35 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
  36     untested ${testfile}.exp
  37     return -1
  38 }
  39
  40 # Get things started.
  41
  42 gdb_exit
  43 gdb_start
  44 gdb_reinitialize_dir $srcdir/$subdir
  45 gdb_load ${binfile}
  46 runto main
  47
  48 # Record to end of main
  49
  50 set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]
  51 gdb_test_no_output "record" "Turn on process record"
  52 gdb_test "until $location" ".*/$srcfile:$location.*" \
  53     "record to end of main"
  54
  55 # Now rewind to beginning so we can begin testing.
  56
  57 set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]
  58 gdb_test_no_output "set exec-dir reverse" "set reverse direction"
  59 gdb_test "until $location" ".*/$srcfile:$location.*" \
  60     "rewind to beginning of main"
  61 gdb_test_no_output "set exec-dir forward" "set forward direction"
  62
  63 # Test FPU stack. FPU stack includes st0, st1, st2, st3, st4,
  64 # st5, st6, st7. We push 8 values to FPU stack in record mode
  65 # and see whether all are getting recorded.
  66
  67 set location [gdb_get_line_number "test st0 register"]
  68 gdb_test "until $location" ".*/$srcfile:$location.*asm.*fld1.*" \
  69     "begin test st0"
  70 gdb_test "stepi" "asm.*fldl2t.*"              "push st0 == 1"
  71 gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"
  72
  73
  74 gdb_test "stepi" "asm.*fldl2e.*"              "push st0 == 3.3219280948*"
  75 gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.321928094*"
  76 gdb_test "info register st1" "st1 *1\t.*"       "verify st1 == 1"
  77
  78 gdb_test "stepi" "asm.*fldpi.*"                   "push st0 == 1.4426950406*"
  79 gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
  80 gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
  81 gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
  82
  83 gdb_test "stepi" "asm.*fldlg2.*"                  "push st0 == 3.14159265*"
  84 gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
  85 gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.4426950*"
  86 gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280*"
  87 gdb_test "info register st3" "st3 *1\t.*"          "verify st3 == 1"
  88
  89 gdb_test "stepi" "asm.*fldln2.*"                  "push st0 == 0.301029*"
  90 gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
  91 gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
  92 gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.44269506*"
  93 gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
  94 gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
  95
  96 gdb_test "stepi" "asm.*fldz.*"                    "push st0 == 0.69314*"
  97 gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
  98 gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
  99 gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
 100 gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
 101 gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
 102 gdb_test "info register st5" "st5 *1\t.*"         "verify st5 == 1"
 103
 104 gdb_test "stepi" "asm.*fld1.*"                    "push st0 == 0"
 105 gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
 106 gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
 107 gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
 108 gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
 109 gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
 110 gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.32192809*"
 111 gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
 112
 113 gdb_test "stepi" "asm.*nop.*"                     "push st0 == 0"
 114 gdb_test "info register st0" "st0 *1\t.*"         "verify st0 == 1"
 115 gdb_test "info register st1" "st1 *0\t.*"         "verify st1 == 0"
 116 gdb_test "info register st2" "st2 *0.69314.*\t.*" "verify st2 == 0.69314*"
 117 gdb_test "info register st3" "st3 *0.30102.*\t.*" "verify st3 == 0.301029*"
 118 gdb_test "info register st4" "st4 *3.14159.*\t.*" "verify st4 == 3.14159265*"
 119 gdb_test "info register st5" "st5 *1.44269.*\t.*" "verify st5 == 1.44269504*"
 120 gdb_test "info register st6" "st6 *3.32192.*\t.*" "verify st6 == 3.3219280948*"
 121 gdb_test "info register st7" "st7 *1.*"           "verify st7 == 1"
 122
 123 # Now step backward, and check that st0 value reverts to zero.
 124
 125 gdb_test "reverse-stepi" "asm.*fld1.*"            "undo registers, st0-st7"
 126 gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
 127 gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
 128 gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
 129 gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
 130 gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
 131 gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.3219280948*"
 132 gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
 133
 134 gdb_test "reverse-stepi" "asm.*fldz.*"            "push st0 == 0.69314*"
 135 gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
 136 gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
 137 gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
 138 gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
 139 gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
 140 gdb_test "info register st5" "st5 *1\t.*"       "verify st5 == 1"
 141
 142 gdb_test "reverse-stepi" "asm.*fldln2.*"          "push st0 == 0.301029*"
 143 gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
 144 gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
 145 gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.442695040*"
 146 gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
 147 gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
 148
 149 gdb_test "reverse-stepi" "asm.*fldlg2.*"          "push st0 == 3.14159265*"
 150 gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
 151 gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.442695040*"
 152 gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280948*"
 153 gdb_test "info register st3" "st3 *1\t.*"       "verify st3 == 1"
 154
 155 gdb_test "reverse-stepi" "asm.*fldpi.*"           "push st0 == 1.44269504088*"
 156 gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
 157 gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
 158 gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
 159
 160
 161 gdb_test "reverse-stepi" "asm.*fldl2e.*"          "push st0 == 3.3219280948*"
 162 gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.3219280948*"
 163 gdb_test "info register st1" "st1 *1\t.*"         "verify st1 == 1"
 164
 165 gdb_test "reverse-stepi" "asm.*fldl2t.*"      "push st0 == 1"
 166 gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"
 167
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