diff options
Diffstat (limited to 'gdb/testsuite/gdb.reverse/i387-env-reverse.exp')
| -rw-r--r-- | gdb/testsuite/gdb.reverse/i387-env-reverse.exp | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.reverse/i387-env-reverse.exp b/gdb/testsuite/gdb.reverse/i387-env-reverse.exp new file mode 100644 index 00000000000..985675be76e --- /dev/null +++ b/gdb/testsuite/gdb.reverse/i387-env-reverse.exp @@ -0,0 +1,147 @@ +# Copyright 2009 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 <http://www.gnu.org/licenses/>. + +# This file is part of the gdb testsuite. + +if $tracelevel { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +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 "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 "set exec-dir reverse" "" "set reverse direction" +gdb_test "until $location" ".*/$srcfile:$location.*" \ + "rewind to beginning of main" +gdb_test "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" + + + + + + |