| # Copyright 2009-2012 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 ![istarget "i?86-*linux*"] then { |
| verbose "Skipping i387 reverse float tests." |
| return |
| } |
| |
| standard_testfile |
| |
| # some targets have leading underscores on assembly symbols. |
| set additional_flags [gdb_target_symbol_prefix_flags] |
| |
| if {[prepare_for_testing $testfile.exp $testfile $srcfile \ |
| [list debug $additional_flags]]} { |
| return -1 |
| } |
| |
| 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" |
| # This can take awhile. |
| set oldtimeout $timeout |
| set timeout [expr $oldtimeout + 120] |
| gdb_test "until $location" ".*/$srcfile:$location.*" \ |
| "record to end of main" |
| set timeout $oldtimeout |
| |
| # 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" |
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