Subversion Repositories openrisc

# Copyright 2009, 2010 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 .

# This file is part of the gdb testsuite.

if $tracelevel {

    strace $tracelevel

}

if ![istarget "i?86-*linux*"] then {

    verbose "Skipping i387 reverse float tests."

    return

}

set testfile "i387-env-reverse"

set srcfile ${testfile}.c

set binfile ${objdir}/${subdir}/${testfile}

# some targets have leading underscores on assembly symbols.

# TODO: detect this automatically

set additional_flags ""

if [istarget "i?86-*-cygwin*"] then {

  set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""

}

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {

    untested i387-float-reverse

    return -1

}

# Get things started.

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

runto main

# Record to end of main

set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]

gdb_test_no_output "record"  "Turn on process record"

gdb_test "until $location" ".*/$srcfile:$location.*" \

    "record to end of main"

# Now rewind to beginning so we can begin testing.

set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]

gdb_test_no_output "set exec-dir reverse" "set reverse direction"

gdb_test "until $location" ".*/$srcfile:$location.*" \

    "rewind to beginning of main"

gdb_test_no_output "set exec-dir forward" "set forward direction"

# Test FPU env particularly ftag and fstatus reigters.

set location [gdb_get_line_number "TEST ENV"]

gdb_test "until $location" ".*/$srcfile:$location.*asm.*nop.*" \

    "begin testing fpu env"

gdb_test "n" "asm.*fsave.*"               "save FPU env in memory"

gdb_test "n" "asm.*frstor.*"              "restore FPU env"

gdb_test "n" "asm.*fstsw.*"               "store status word in EAX"

gdb_test "n" "asm.*fld1.*"                "push st0"

gdb_test "info register eax" "eax *0x8040000.*\t.*"  "verify eax == 0x8040000"

gdb_test "info register fstat" "fstat *0.*\t.*"      "verify fstat == 0"

gdb_test "info register ftag" "ftag *0xffff.*\t.*"   "verify ftag == 0xffff"

gdb_test "stepi" "asm.*fldl2t.*"                      "push st0"

gdb_test "info register fstat" "fstat *0x3800.*\t.*"  "verify fstat == 0x3800"

gdb_test "info register ftag" "ftag *0x3fff.*\t.*"    "verify ftag  == 0x3fff"

gdb_test "stepi" "asm.*fldl2e.*"                  "push st0"

gdb_test "info register fstat" "fstat *0x3000.*\t.*"  "verify fstat == 0x3000"

gdb_test "info register ftag" "ftag *0xfff.*\t.*"     "verify ftag  == 0xfff"

gdb_test "stepi" "asm.*fldpi.*"                   "push st0"

gdb_test "info register fstat" "fstat *0x2800.*\t.*"  "verify fstat == 0x2800"

gdb_test "info register ftag" "ftag *0x3ff.*\t.*"     "verify ftag  == 0x3ff"

gdb_test "stepi" "asm.*fldlg2.*"                  "push st0"

gdb_test "info register fstat" "fstat *0x2000.*\t.*"  "verify fstat == 0x2000"

gdb_test "info register ftag" "ftag *0xff.*\t.*"      "verify ftag  == 0xff"

gdb_test "stepi" "asm.*fldln2.*"                  "push st0"

gdb_test "info register fstat" "fstat *0x1800.*\t.*"  "verify fstat == 0x1800"

gdb_test "info register ftag" "ftag *0x3f.*\t.*"      "verify ftag  == 0x3f"

gdb_test "stepi" "asm.*fldz.*"                    "push st0"

gdb_test "info register fstat" "fstat *0x1000.*\t.*"  "verify fstat == 0x1000"

gdb_test "info register ftag" "ftag *0xf.*\t.*"       "verify ftag  == 0xf"

gdb_test "stepi" "asm.*nop.*"                    "push st0"

gdb_test "info register fstat" "fstat *0x800.*\t.*"  "verify fstat == 0x800"

gdb_test "info register ftag" "ftag *0x7.*\t.*"      "verify ftag  == 0x7"

# move backward and ehck we get the same registers back.

gdb_test "reverse-stepi" "asm.*fldz.*"           "push st0"

gdb_test "info register fstat" "fstat *0x1000.*\t.*" "verify fstat == 0x1000"

gdb_test "info register ftag" "ftag *0xf.*\t.*"      "verify ftag  == 0xf"

gdb_test "reverse-stepi" "asm.*fldln2.*"          "push st0"

gdb_test "info register fstat" "fstat *0x1800.*\t.*"  "verify fstat == 0x1800"

gdb_test "info register ftag" "ftag *0x3f.*\t.*"      "verify ftag  == 0x3f"

gdb_test "reverse-stepi" "asm.*fldlg2.*"          "push st0"

gdb_test "info register fstat" "fstat *0x2000.*\t.*"  "verify fstat == 0x2000"

gdb_test "info register ftag" "ftag *0xff.*\t.*"      "verify ftag  == 0xff"

gdb_test "reverse-stepi" "asm.*fldpi.*"          "push st0"

gdb_test "info register fstat" "fstat *0x2800.*\t.*" "verify fstat == 0x2800"

gdb_test "info register ftag" "ftag *0x3ff.*\t.*"    "verify ftag  == 0x3ff"

gdb_test "reverse-stepi" "asm.*fldl2e.*"          "push st0"

gdb_test "info register fstat" "fstat *0x3000.*\t.*"  "verify fstat == 0x3000"

gdb_test "info register ftag" "ftag *0xfff.*\t.*"     "verify ftag  == 0xfff"

gdb_test "reverse-stepi" "asm.*fldl2t.*"          "push st0"

gdb_test "info register fstat" "fstat *0x3800.*\t.*"  "verify fstat == 0x3800"

gdb_test "info register ftag" "ftag *0x3fff.*\t.*"    "verify ftag  == 0x3fff"

gdb_test "reverse-stepi" "asm.*fld1.*"            "push st0"

gdb_test "info register fstat" "fstat *0.*\t.*"       "verify fstat == 0"

gdb_test "info register ftag" "ftag *0xffff.*\t.*"    "verify ftag == 0xffff"