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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [testsuite/] [gdb.base/] [pc-fp.exp] - Rev 1181
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# Copyright 2002 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# The doco makes reference to built-in registers -- $pc and $fp. If
# the ISA contains registers by that name then they should be
# displayed. If the ISA contains registers identified as being
# equivalent, but have different names, then GDB will provide these as
# aliases. If the ISA doesn't provide any equivalent registers, then
# GDB will provide registers that map onto the frame's PC and FP.
if $tracelevel then {
strace $tracelevel
}
#
# test running programs
#
set prms_id 0
set bug_id 0
set testfile "pc-fp"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
if [get_compiler_info ${binfile}] {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
}
proc get_valueofx { fmt exp default } {
global gdb_prompt
send_gdb "print${fmt} ${exp}\n"
gdb_expect {
-re "\\$\[0-9\]* = (0x\[0-9a-zA-Z\]+).*$gdb_prompt $" {
set val $expect_out(1,string)
pass "get value of ${exp} ($val)"
}
timeout {
set size ${default}
fail "get value of ${exp} (timeout)"
}
}
return ${val}
}
# Get the value of PC and FP
set valueof_pc [get_valueofx "/x" "\$pc" "0"]
set valueof_fp [get_valueofx "/x" "\$fp" "0"]
# Check that the sequence $REGNAME -> REGNUM -> $REGNAME works. Use
# display since that encodes and then decodes the expression parameter
# (and hence uses the mechanisms we're trying to test).
gdb_test "display/i \$pc" "1: x/i +\\\$pc +${valueof_pc}.*"
gdb_test "display/w \$fp" "2: x/xw +\\\$fp +${valueof_fp}.*"
# FIXME: cagney/2002-09-04: Should also check that ``info registers
# $pc'' et.al.'' come back with the same value as the above displays
# and a print --- assuming that is that people agree to such behavour.
# Need to re-write default_print_registers_info() for it to work (and
# such a rewrite is on the reggroups branch).
# gdb_test "info registers \$pc" "${valueof_pc}"
# gdb_test "info registers \$fp" "${valueof_fp}"
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