62 lines
2.1 KiB
Text
62 lines
2.1 KiB
Text
# Copyright 2002-2015 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# The doco makes reference to built-in registers -- $pc and $fp. If
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# the ISA contains registers by that name then they should be
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# displayed. If the ISA contains registers identified as being
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# equivalent, but have different names, then GDB will provide these as
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# aliases. If the ISA doesn't provide any equivalent registers, then
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# GDB will provide registers that map onto the frame's PC and FP.
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#
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# test running programs
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#
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standard_testfile
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if [get_compiler_info] {
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return -1
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}
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if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug nowarnings}]} {
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untested $testfile.exp
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return -1
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}
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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continue
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}
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# Get the value of PC and FP
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set valueof_pc [get_hexadecimal_valueof "\$pc" "0"]
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set valueof_fp [get_hexadecimal_valueof "\$fp" "0"]
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# Check that the sequence $REGNAME -> REGNUM -> $REGNAME works. Use
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# display since that encodes and then decodes the expression parameter
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# (and hence uses the mechanisms we're trying to test).
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gdb_test "display/i \$pc" "1: x/i +\\\$pc( +|\r\n)=> ${valueof_pc}.*"
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gdb_test "display/w \$fp" "2: x/xw +\\\$fp +${valueof_fp}.*"
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gdb_test "info register \$pc" "${valueof_pc}.*"
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gdb_test "info register \$fp" "${valueof_fp}.*"
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# Regression test for
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# http://sourceware.org/bugzilla/show_bug.cgi?id=12659
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gdb_test "info register pc fp" \
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"pc +${valueof_pc}\t${valueof_pc} <.*>\[\r\n\]+fp +${valueof_fp}\t${valueof_fp}\[\r\n\]+"
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