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142 lines
5.7 KiB
Plaintext
142 lines
5.7 KiB
Plaintext
# Copyright 2009-2012 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the gdb testsuite.
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if ![istarget "i?86-*linux*"] then {
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verbose "Skipping i387 reverse float tests."
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return
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}
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set testfile "i387-env-reverse"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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# some targets have leading underscores on assembly symbols.
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set additional_flags [gdb_target_symbol_prefix_flags]
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
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untested ${testfile}.exp
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return -1
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}
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# Get things started.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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runto main
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# Record to end of main
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set location [gdb_get_line_number "END I387-FLOAT-REVERSE"]
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gdb_test_no_output "record" "Turn on process record"
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# This can take awhile.
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set oldtimeout $timeout
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set timeout [expr $oldtimeout + 120]
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gdb_test "until $location" ".*/$srcfile:$location.*" \
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"record to end of main"
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set timeout $oldtimeout
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# Now rewind to beginning so we can begin testing.
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set location [gdb_get_line_number "BEGIN I387-FLOAT-REVERSE"]
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gdb_test_no_output "set exec-dir reverse" "set reverse direction"
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gdb_test "until $location" ".*/$srcfile:$location.*" \
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"rewind to beginning of main"
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gdb_test_no_output "set exec-dir forward" "set forward direction"
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# Test FPU env particularly ftag and fstatus reigters.
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set location [gdb_get_line_number "TEST ENV"]
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gdb_test "until $location" ".*/$srcfile:$location.*asm.*nop.*" \
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"begin testing fpu env"
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gdb_test "n" "asm.*fsave.*" "save FPU env in memory"
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gdb_test "n" "asm.*frstor.*" "restore FPU env"
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gdb_test "n" "asm.*fstsw.*" "store status word in EAX"
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gdb_test "n" "asm.*fld1.*" "push st0"
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gdb_test "info register eax" "eax *0x8040000.*\t.*" "verify eax == 0x8040000"
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gdb_test "info register fstat" "fstat *0.*\t.*" "verify fstat == 0"
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gdb_test "info register ftag" "ftag *0xffff.*\t.*" "verify ftag == 0xffff"
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gdb_test "stepi" "asm.*fldl2t.*" "push st0"
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gdb_test "info register fstat" "fstat *0x3800.*\t.*" "verify fstat == 0x3800"
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gdb_test "info register ftag" "ftag *0x3fff.*\t.*" "verify ftag == 0x3fff"
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gdb_test "stepi" "asm.*fldl2e.*" "push st0"
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gdb_test "info register fstat" "fstat *0x3000.*\t.*" "verify fstat == 0x3000"
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gdb_test "info register ftag" "ftag *0xfff.*\t.*" "verify ftag == 0xfff"
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gdb_test "stepi" "asm.*fldpi.*" "push st0"
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gdb_test "info register fstat" "fstat *0x2800.*\t.*" "verify fstat == 0x2800"
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gdb_test "info register ftag" "ftag *0x3ff.*\t.*" "verify ftag == 0x3ff"
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gdb_test "stepi" "asm.*fldlg2.*" "push st0"
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gdb_test "info register fstat" "fstat *0x2000.*\t.*" "verify fstat == 0x2000"
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gdb_test "info register ftag" "ftag *0xff.*\t.*" "verify ftag == 0xff"
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gdb_test "stepi" "asm.*fldln2.*" "push st0"
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gdb_test "info register fstat" "fstat *0x1800.*\t.*" "verify fstat == 0x1800"
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gdb_test "info register ftag" "ftag *0x3f.*\t.*" "verify ftag == 0x3f"
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gdb_test "stepi" "asm.*fldz.*" "push st0"
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gdb_test "info register fstat" "fstat *0x1000.*\t.*" "verify fstat == 0x1000"
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gdb_test "info register ftag" "ftag *0xf.*\t.*" "verify ftag == 0xf"
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gdb_test "stepi" "asm.*nop.*" "push st0"
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gdb_test "info register fstat" "fstat *0x800.*\t.*" "verify fstat == 0x800"
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gdb_test "info register ftag" "ftag *0x7.*\t.*" "verify ftag == 0x7"
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# move backward and ehck we get the same registers back.
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gdb_test "reverse-stepi" "asm.*fldz.*" "push st0"
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gdb_test "info register fstat" "fstat *0x1000.*\t.*" "verify fstat == 0x1000"
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gdb_test "info register ftag" "ftag *0xf.*\t.*" "verify ftag == 0xf"
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gdb_test "reverse-stepi" "asm.*fldln2.*" "push st0"
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gdb_test "info register fstat" "fstat *0x1800.*\t.*" "verify fstat == 0x1800"
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gdb_test "info register ftag" "ftag *0x3f.*\t.*" "verify ftag == 0x3f"
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gdb_test "reverse-stepi" "asm.*fldlg2.*" "push st0"
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gdb_test "info register fstat" "fstat *0x2000.*\t.*" "verify fstat == 0x2000"
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gdb_test "info register ftag" "ftag *0xff.*\t.*" "verify ftag == 0xff"
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gdb_test "reverse-stepi" "asm.*fldpi.*" "push st0"
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gdb_test "info register fstat" "fstat *0x2800.*\t.*" "verify fstat == 0x2800"
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gdb_test "info register ftag" "ftag *0x3ff.*\t.*" "verify ftag == 0x3ff"
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gdb_test "reverse-stepi" "asm.*fldl2e.*" "push st0"
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gdb_test "info register fstat" "fstat *0x3000.*\t.*" "verify fstat == 0x3000"
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gdb_test "info register ftag" "ftag *0xfff.*\t.*" "verify ftag == 0xfff"
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gdb_test "reverse-stepi" "asm.*fldl2t.*" "push st0"
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gdb_test "info register fstat" "fstat *0x3800.*\t.*" "verify fstat == 0x3800"
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gdb_test "info register ftag" "ftag *0x3fff.*\t.*" "verify ftag == 0x3fff"
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gdb_test "reverse-stepi" "asm.*fld1.*" "push st0"
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gdb_test "info register fstat" "fstat *0.*\t.*" "verify fstat == 0"
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gdb_test "info register ftag" "ftag *0xffff.*\t.*" "verify ftag == 0xffff"
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