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

   1 # Copyright 2009 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 set prms_id 0
  23 set bug_id 0
  24
  25 if ![istarget "i?86-*linux*"] then {
  26     verbose "Skipping i387 reverse float tests."
  27     return
  28 }
  29
  30 set testfile "i387-stack-reverse"
  31 set srcfile ${testfile}.c
  32 set binfile ${objdir}/${subdir}/${testfile}
  33
  34 # some targets have leading underscores on assembly symbols.
  35 # TODO: detect this automatically
  36 set additional_flags ""
  37 if [istarget "i?86-*-cygwin*"] then {
  38   set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
  39 }
  40
  41 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
  42     untested i387-float-reverse
  43     return -1
  44 }
  45
  46 # Get things started.
  47
  48 gdb_exit
  49 gdb_start
  50 gdb_reinitialize_dir $srcdir/$subdir
  51 gdb_load ${binfile}
  52 runto main
  53
  54 # Record to end of main
  55
  56 set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]
  57 gdb_test "record" "" "Turn on process record"
  58 gdb_test "until $location" ".*/$srcfile:$location.*" \
  59     "record to end of main"
  60
  61 # Now rewind to beginning so we can begin testing.
  62
  63 set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]
  64 gdb_test "set exec-dir reverse" "" "set reverse direction"
  65 gdb_test "until $location" ".*/$srcfile:$location.*" \
  66     "rewind to beginning of main"
  67 gdb_test "set exec-dir forward" "" "set forward direction"
  68
  69 # Test FPU stack. FPU stack includes st0, st1, st2, st3, st4,
  70 # st5, st6, st7. We push 8 values to FPU stack in record mode
  71 # and see whether all are getting recorded.
  72
  73 set location [gdb_get_line_number "test st0 register"]
  74 gdb_test "until $location" ".*/$srcfile:$location.*asm.*fld1.*" \
  75     "begin test st0"
  76 gdb_test "stepi" "asm.*fldl2t.*"              "push st0 == 1"
  77 gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"
  78
  79
  80 gdb_test "stepi" "asm.*fldl2e.*"              "push st0 == 3.3219280948*"
  81 gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.321928094*"
  82 gdb_test "info register st1" "st1 *1\t.*"       "verify st1 == 1"
  83
  84 gdb_test "stepi" "asm.*fldpi.*"                   "push st0 == 1.4426950406*"
  85 gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
  86 gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
  87 gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
  88
  89 gdb_test "stepi" "asm.*fldlg2.*"                  "push st0 == 3.14159265*"
  90 gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
  91 gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.4426950*"
  92 gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280*"
  93 gdb_test "info register st3" "st3 *1\t.*"          "verify st3 == 1"
  94
  95 gdb_test "stepi" "asm.*fldln2.*"                  "push st0 == 0.301029*"
  96 gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
  97 gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
  98 gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.44269506*"
  99 gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
 100 gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
 101
 102 gdb_test "stepi" "asm.*fldz.*"                    "push st0 == 0.69314*"
 103 gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
 104 gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
 105 gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
 106 gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
 107 gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
 108 gdb_test "info register st5" "st5 *1\t.*"         "verify st5 == 1"
 109
 110 gdb_test "stepi" "asm.*fld1.*"                    "push st0 == 0"
 111 gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
 112 gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
 113 gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
 114 gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
 115 gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
 116 gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.32192809*"
 117 gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
 118
 119 gdb_test "stepi" "asm.*nop.*"                     "push st0 == 0"
 120 gdb_test "info register st0" "st0 *1\t.*"         "verify st0 == 1"
 121 gdb_test "info register st1" "st1 *0\t.*"         "verify st1 == 0"
 122 gdb_test "info register st2" "st2 *0.69314.*\t.*" "verify st2 == 0.69314*"
 123 gdb_test "info register st3" "st3 *0.30102.*\t.*" "verify st3 == 0.301029*"
 124 gdb_test "info register st4" "st4 *3.14159.*\t.*" "verify st4 == 3.14159265*"
 125 gdb_test "info register st5" "st5 *1.44269.*\t.*" "verify st5 == 1.44269504*"
 126 gdb_test "info register st6" "st6 *3.32192.*\t.*" "verify st6 == 3.3219280948*"
 127 gdb_test "info register st7" "st7 *1.*"           "verify st7 == 1"
 128
 129 # Now step backward, and check that st0 value reverts to zero.
 130
 131 gdb_test "reverse-stepi" "asm.*fld1.*"            "undo registers, st0-st7"
 132 gdb_test "info register st0" "st0 *0\t.*"         "verify st0 == 0"
 133 gdb_test "info register st1" "st1 *0.69314.*\t.*" "verify st1 == 0.69314*"
 134 gdb_test "info register st2" "st2 *0.30102.*\t.*" "verify st2 == 0.301029*"
 135 gdb_test "info register st3" "st3 *3.14159.*\t.*" "verify st3 == 3.14159265*"
 136 gdb_test "info register st4" "st4 *1.44269.*\t.*" "verify st4 == 1.442695040*"
 137 gdb_test "info register st5" "st5 *3.32192.*\t.*" "verify st5 == 3.3219280948*"
 138 gdb_test "info register st6" "st6 *1\t.*"         "verify st6 == 1"
 139
 140 gdb_test "reverse-stepi" "asm.*fldz.*"            "push st0 == 0.69314*"
 141 gdb_test "info register st0" "st0 *0.69314.*\t.*" "verify st0 == 0.69314*"
 142 gdb_test "info register st1" "st1 *0.30102.*\t.*" "verify st1 == 0.301029*"
 143 gdb_test "info register st2" "st2 *3.14159.*\t.*" "verify st2 == 3.14159265*"
 144 gdb_test "info register st3" "st3 *1.44269.*\t.*" "verify st3 == 1.442695040*"
 145 gdb_test "info register st4" "st4 *3.32192.*\t.*" "verify st4 == 3.3219280948*"
 146 gdb_test "info register st5" "st5 *1\t.*"       "verify st5 == 1"
 147
 148 gdb_test "reverse-stepi" "asm.*fldln2.*"          "push st0 == 0.301029*"
 149 gdb_test "info register st0" "st0 *0.30102.*\t.*" "verify st0 == 0.301029*"
 150 gdb_test "info register st1" "st1 *3.14159.*\t.*" "verify st1 == 3.14159265*"
 151 gdb_test "info register st2" "st2 *1.44269.*\t.*" "verify st2 == 1.442695040*"
 152 gdb_test "info register st3" "st3 *3.32192.*\t.*" "verify st3 == 3.3219280948*"
 153 gdb_test "info register st4" "st4 *1\t.*"         "verify st4 == 1"
 154
 155 gdb_test "reverse-stepi" "asm.*fldlg2.*"          "push st0 == 3.14159265*"
 156 gdb_test "info register st0" "st0 *3.14159.*\t.*" "verify st0 == 3.14159265*"
 157 gdb_test "info register st1" "st1 *1.44269.*\t.*" "verify st1 == 1.442695040*"
 158 gdb_test "info register st2" "st2 *3.32192.*\t.*" "verify st2 == 3.3219280948*"
 159 gdb_test "info register st3" "st3 *1\t.*"       "verify st3 == 1"
 160
 161 gdb_test "reverse-stepi" "asm.*fldpi.*"           "push st0 == 1.44269504088*"
 162 gdb_test "info register st0" "st0 *1.44269.*\t.*" "verify st0 == 1.442695040*"
 163 gdb_test "info register st1" "st1 *3.32192.*\t.*" "verify st1 == 3.3219280948*"
 164 gdb_test "info register st2" "st2 *1\t.*"         "verify st2 == 1"
 165
 166
 167 gdb_test "reverse-stepi" "asm.*fldl2e.*"          "push st0 == 3.3219280948*"
 168 gdb_test "info register st0" "st0 *3.32192.*\t.*" "verify st0 == 3.3219280948*"
 169 gdb_test "info register st1" "st1 *1\t.*"         "verify st1 == 1"
 170
 171 gdb_test "reverse-stepi" "asm.*fldl2t.*"      "push st0 == 1"
 172 gdb_test "info register st0" "st0 *1\t.*"     "verify st0 == 1"
 173
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