1# Copyright 2002-2020 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 27standard_testfile 28 29if [get_compiler_info] { 30 return -1 31} 32 33if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug nowarnings}]} { 34 return -1 35} 36 37if ![runto_main] then { 38 perror "couldn't run to breakpoint" 39 continue 40} 41 42 43# Get the value of PC and FP 44 45set valueof_pc [get_hexadecimal_valueof "\$pc" "0"] 46set 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 52gdb_test "display/i \$pc" "1: x/i +\\\$pc( +|\r\n)=> ${valueof_pc}.*" 53gdb_test "display/w \$fp" "2: x/xw +\\\$fp +${valueof_fp}.*" 54 55gdb_test "info register \$pc" "${valueof_pc}.*" 56gdb_test "info register \$fp" "${valueof_fp}.*" 57 58# Regression test for 59# http://sourceware.org/bugzilla/show_bug.cgi?id=12659 60gdb_test "info register pc fp" \ 61 "pc +${valueof_pc}\[ \t\]+${valueof_pc} <.*>\[\r\n\]+fp +${valueof_fp}\[ \t\]+${valueof_fp}\[\r\n\]+" 62