| # Copyright 2009-2021 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 "failed to prepare" $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" |
| 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 stack. FPU stack includes st0, st1, st2, st3, st4, |
| # st5, st6, st7. We push 8 values to FPU stack in record mode |
| # and see whether all are getting recorded. |
| |
| set location [gdb_get_line_number "test st0 register"] |
| gdb_test "until $location" ".*$srcfile:$location.*asm.*fld1.*" \ |
| "begin test st0" |
| gdb_test "stepi" "asm.*fldl2t.*" "push st0 == 1" |
| gdb_test "info register st0" "st0 *1\[ \t\]+.*" "verify st0 == 1" |
| |
| |
| gdb_test "stepi" "asm.*fldl2e.*" "push st0 == 3.3219280948*" |
| gdb_test "info register st0" "st0 *3.32192.*\[ \t\]+.*" "verify st0 == 3.321928094*" |
| gdb_test "info register st1" "st1 *1\[ \t\]+.*" "verify st1 == 1" |
| |
| gdb_test "stepi" "asm.*fldpi.*" "push st0 == 1.4426950406*" |
| gdb_test "info register st0" "st0 *1.44269.*\[ \t\]+.*" "verify st0 == 1.442695040*" |
| gdb_test "info register st1" "st1 *3.32192.*\[ \t\]+.*" "verify st1 == 3.3219280948*" |
| gdb_test "info register st2" "st2 *1\[ \t\]+.*" "verify st2 == 1" |
| |
| gdb_test "stepi" "asm.*fldlg2.*" "push st0 == 3.14159265*" |
| gdb_test "info register st0" "st0 *3.14159.*\[ \t\]+.*" "verify st0 == 3.14159265*" |
| gdb_test "info register st1" "st1 *1.44269.*\[ \t\]+.*" "verify st1 == 1.4426950*" |
| gdb_test "info register st2" "st2 *3.32192.*\[ \t\]+.*" "verify st2 == 3.3219280*" |
| gdb_test "info register st3" "st3 *1\[ \t\]+.*" "verify st3 == 1" |
| |
| gdb_test "stepi" "asm.*fldln2.*" "push st0 == 0.301029*" |
| gdb_test "info register st0" "st0 *0.30102.*\[ \t\]+.*" "verify st0 == 0.301029*" |
| gdb_test "info register st1" "st1 *3.14159.*\[ \t\]+.*" "verify st1 == 3.14159265*" |
| gdb_test "info register st2" "st2 *1.44269.*\[ \t\]+.*" "verify st2 == 1.44269506*" |
| gdb_test "info register st3" "st3 *3.32192.*\[ \t\]+.*" "verify st3 == 3.3219280948*" |
| gdb_test "info register st4" "st4 *1\[ \t\]+.*" "verify st4 == 1" |
| |
| gdb_test "stepi" "asm.*fldz.*" "push st0 == 0.69314*" |
| gdb_test "info register st0" "st0 *0.69314.*\[ \t\]+.*" "verify st0 == 0.69314*" |
| gdb_test "info register st1" "st1 *0.30102.*\[ \t\]+.*" "verify st1 == 0.301029*" |
| gdb_test "info register st2" "st2 *3.14159.*\[ \t\]+.*" "verify st2 == 3.14159265*" |
| gdb_test "info register st3" "st3 *1.44269.*\[ \t\]+.*" "verify st3 == 1.442695040*" |
| gdb_test "info register st4" "st4 *3.32192.*\[ \t\]+.*" "verify st4 == 3.3219280948*" |
| gdb_test "info register st5" "st5 *1\[ \t\]+.*" "verify st5 == 1" |
| |
| gdb_test "stepi" "asm.*fld1.*" "push st0 == 0" |
| gdb_test "info register st0" "st0 *0\[ \t\]+.*" "verify st0 == 0" |
| gdb_test "info register st1" "st1 *0.69314.*\[ \t\]+.*" "verify st1 == 0.69314*" |
| gdb_test "info register st2" "st2 *0.30102.*\[ \t\]+.*" "verify st2 == 0.301029*" |
| gdb_test "info register st3" "st3 *3.14159.*\[ \t\]+.*" "verify st3 == 3.14159265*" |
| gdb_test "info register st4" "st4 *1.44269.*\[ \t\]+.*" "verify st4 == 1.442695040*" |
| gdb_test "info register st5" "st5 *3.32192.*\[ \t\]+.*" "verify st5 == 3.32192809*" |
| gdb_test "info register st6" "st6 *1\[ \t\]+.*" "verify st6 == 1" |
| |
| gdb_test "stepi" "asm.*nop.*" "push st0 == 0" |
| gdb_test "info register st0" "st0 *1\[ \t\]+.*" "verify st0 == 1" |
| gdb_test "info register st1" "st1 *0\[ \t\]+.*" "verify st1 == 0" |
| gdb_test "info register st2" "st2 *0.69314.*\[ \t\]+.*" "verify st2 == 0.69314*" |
| gdb_test "info register st3" "st3 *0.30102.*\[ \t\]+.*" "verify st3 == 0.301029*" |
| gdb_test "info register st4" "st4 *3.14159.*\[ \t\]+.*" "verify st4 == 3.14159265*" |
| gdb_test "info register st5" "st5 *1.44269.*\[ \t\]+.*" "verify st5 == 1.44269504*" |
| gdb_test "info register st6" "st6 *3.32192.*\[ \t\]+.*" "verify st6 == 3.3219280948*" |
| gdb_test "info register st7" "st7 *1.*" "verify st7 == 1" |
| |
| # Now step backward, and check that st0 value reverts to zero. |
| |
| gdb_test "reverse-stepi" "asm.*fld1.*" "undo registers, st0-st7" |
| gdb_test "info register st0" "st0 *0\[ \t\]+.*" "verify st0 == 0" |
| gdb_test "info register st1" "st1 *0.69314.*\[ \t\]+.*" "verify st1 == 0.69314*" |
| gdb_test "info register st2" "st2 *0.30102.*\[ \t\]+.*" "verify st2 == 0.301029*" |
| gdb_test "info register st3" "st3 *3.14159.*\[ \t\]+.*" "verify st3 == 3.14159265*" |
| gdb_test "info register st4" "st4 *1.44269.*\[ \t\]+.*" "verify st4 == 1.442695040*" |
| gdb_test "info register st5" "st5 *3.32192.*\[ \t\]+.*" "verify st5 == 3.3219280948*" |
| gdb_test "info register st6" "st6 *1\[ \t\]+.*" "verify st6 == 1" |
| |
| gdb_test "reverse-stepi" "asm.*fldz.*" "push st0 == 0.69314*" |
| gdb_test "info register st0" "st0 *0.69314.*\[ \t\]+.*" "verify st0 == 0.69314*" |
| gdb_test "info register st1" "st1 *0.30102.*\[ \t\]+.*" "verify st1 == 0.301029*" |
| gdb_test "info register st2" "st2 *3.14159.*\[ \t\]+.*" "verify st2 == 3.14159265*" |
| gdb_test "info register st3" "st3 *1.44269.*\[ \t\]+.*" "verify st3 == 1.442695040*" |
| gdb_test "info register st4" "st4 *3.32192.*\[ \t\]+.*" "verify st4 == 3.3219280948*" |
| gdb_test "info register st5" "st5 *1\[ \t\]+.*" "verify st5 == 1" |
| |
| gdb_test "reverse-stepi" "asm.*fldln2.*" "push st0 == 0.301029*" |
| gdb_test "info register st0" "st0 *0.30102.*\[ \t\]+.*" "verify st0 == 0.301029*" |
| gdb_test "info register st1" "st1 *3.14159.*\[ \t\]+.*" "verify st1 == 3.14159265*" |
| gdb_test "info register st2" "st2 *1.44269.*\[ \t\]+.*" "verify st2 == 1.442695040*" |
| gdb_test "info register st3" "st3 *3.32192.*\[ \t\]+.*" "verify st3 == 3.3219280948*" |
| gdb_test "info register st4" "st4 *1\[ \t\]+.*" "verify st4 == 1" |
| |
| gdb_test "reverse-stepi" "asm.*fldlg2.*" "push st0 == 3.14159265*" |
| gdb_test "info register st0" "st0 *3.14159.*\[ \t\]+.*" "verify st0 == 3.14159265*" |
| gdb_test "info register st1" "st1 *1.44269.*\[ \t\]+.*" "verify st1 == 1.442695040*" |
| gdb_test "info register st2" "st2 *3.32192.*\[ \t\]+.*" "verify st2 == 3.3219280948*" |
| gdb_test "info register st3" "st3 *1\[ \t\]+.*" "verify st3 == 1" |
| |
| gdb_test "reverse-stepi" "asm.*fldpi.*" "push st0 == 1.44269504088*" |
| gdb_test "info register st0" "st0 *1.44269.*\[ \t\]+.*" "verify st0 == 1.442695040*" |
| gdb_test "info register st1" "st1 *3.32192.*\[ \t\]+.*" "verify st1 == 3.3219280948*" |
| gdb_test "info register st2" "st2 *1\[ \t\]+.*" "verify st2 == 1" |
| |
| |
| gdb_test "reverse-stepi" "asm.*fldl2e.*" "push st0 == 3.3219280948*" |
| gdb_test "info register st0" "st0 *3.32192.*\[ \t\]+.*" "verify st0 == 3.3219280948*" |
| gdb_test "info register st1" "st1 *1\[ \t\]+.*" "verify st1 == 1" |
| |
| gdb_test "reverse-stepi" "asm.*fldl2t.*" "push st0 == 1" |
| gdb_test "info register st0" "st0 *1\[ \t\]+.*" "verify st0 == 1" |
| |
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