| 1 | # Copyright 2002-2016 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | # The doco makes reference to built-in registers -- $pc and $fp. If |
| 17 | # the ISA contains registers by that name then they should be |
| 18 | # displayed. If the ISA contains registers identified as being |
| 19 | # equivalent, but have different names, then GDB will provide these as |
| 20 | # aliases. If the ISA doesn't provide any equivalent registers, then |
| 21 | # GDB will provide registers that map onto the frame's PC and FP. |
| 22 | |
| 23 | # |
| 24 | # test running programs |
| 25 | # |
| 26 | |
| 27 | standard_testfile |
| 28 | |
| 29 | if [get_compiler_info] { |
| 30 | return -1 |
| 31 | } |
| 32 | |
| 33 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} { |
| 34 | return -1 |
| 35 | } |
| 36 | |
| 37 | if ![runto_main] then { |
| 38 | perror "couldn't run to breakpoint" |
| 39 | continue |
| 40 | } |
| 41 | |
| 42 | |
| 43 | # Get the value of PC and FP |
| 44 | |
| 45 | set valueof_pc [get_hexadecimal_valueof "\$pc" "0"] |
| 46 | set valueof_fp [get_hexadecimal_valueof "\$fp" "0"] |
| 47 | |
| 48 | # Check that the sequence $REGNAME -> REGNUM -> $REGNAME works. Use |
| 49 | # display since that encodes and then decodes the expression parameter |
| 50 | # (and hence uses the mechanisms we're trying to test). |
| 51 | |
| 52 | gdb_test "display/i \$pc" "1: x/i +\\\$pc( +|\r\n)=> ${valueof_pc}.*" |
| 53 | gdb_test "display/w \$fp" "2: x/xw +\\\$fp +${valueof_fp}.*" |
| 54 | |
| 55 | gdb_test "info register \$pc" "${valueof_pc}.*" |
| 56 | gdb_test "info register \$fp" "${valueof_fp}.*" |
| 57 | |
| 58 | # Regression test for |
| 59 | # http://sourceware.org/bugzilla/show_bug.cgi?id=12659 |
| 60 | gdb_test "info register pc fp" \ |
| 61 | "pc +${valueof_pc}\t${valueof_pc} <.*>\[\r\n\]+fp +${valueof_fp}\t${valueof_fp}\[\r\n\]+" |