Subversion Repositories openrisc_2011-10-31

# Tests of wide register displays for GDB on HPPA 2.0 machines

#   Copyright 1994, 1995, 2007, 2008 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 .  */

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

# use this to debug:

#log_user 1

if $tracelevel {

    strace $tracelevel

}

if { [skip_hp_tests] } { continue }

if ![istarget "hppa*-*-*"] {

    verbose "Wide register test ignored for non-hppa targets."

    return 0

}

if ![istarget "hppa64-hp-hpux*"] {

    verbose "reg-pa64.exp is only for PA2.0W (aka PA64)."

    return 0

}

set testfile "reg-pa64"

set srcfile ${testfile}.s

set binfile ${objdir}/${subdir}/${testfile}

# To build a pa 2.0 executable

#

#     as +DA2.0W -o reg-pa64 reg-pa64.s

# or

#     cc +DA2.0W -g -o reg-pa64 reg-pa64.s

#

# Don't reject if there are warnings, as we expect this warning:

#

#    (Warning) At least one PA 2.0 object file (pa2.0_test2.o) was detected.

#    The linked output may not run on a PA 1.x system.

#

if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {

    untested reg-pa64.exp

    return -1

}

gdb_exit

gdb_start

gdb_reinitialize_dir $srcdir/$subdir

gdb_load ${binfile}

# test machine--there's no 2.0n architecture, so we have

# to try to run the app.

#

gdb_test "break main" "Breakpoint.*" "initial set-up"

send_gdb "run\n"

gdb_expect {

    -re ".*Executable file incompatible with hardware.*$gdb_prompt $" {

        # Not hppa2.0 machine

        #

        return 0

    }

    -re "Cannot exec.*$gdb_prompt $" {

        # Not hppa2.0 machine

        #

        return 0

    }

    -re ".*Starting program:.*$gdb_prompt $" {

        pass "Ready to start test"

    }

    timeout {

        fail "initial set-up, part 2 (timeout)"

        return 0

    }

}

# Let the program set known values.  This secretly deletes

# the breakpoint at main and re-runs to mainend.

#

runto mainend

# Look for known values

#

gdb_test "info reg r1"  "r1 1"

gdb_test "info reg r4"  "r4 2"

gdb_test "info reg r5"  "r5 4"

gdb_test "info reg r6"  "r6 8"

gdb_test "info reg r7"  "r7 10"

gdb_test "info reg r8"  "r8 20"

gdb_test "info reg r9"  "r9 40"

gdb_test "info reg r10" "r10 80"

gdb_test "info reg r11" "r11 100"

gdb_test "info reg r12" "r12 200"

gdb_test "info reg r13" "r13 400"

gdb_test "info reg r14" "r14 800"

gdb_test "info reg r15" "r15 1000"

gdb_test "info reg r16" "r16 2000"

# Two odd variants that GDB supports are:

#   "1" means "r1", and

#   "$1" means "r1"

#

gdb_test "info reg 1 4" "r1 1.*r4 2"

gdb_test "info reg \$1" "r1 1"

# Verify that GDB responds gracefully to a register ID number that

# is out of range.

#

gdb_test "info reg 999" "999: invalid register"

# Make sure the floating point status and error registers

# don't show up as floating point numbers!

#

gdb_test "info reg fpsr" ".*fpsr 0.*" "fpsr"

gdb_test "info reg fpe1" ".*fpe1 .*" "fpe1"

gdb_test "info reg fpe2" ".*fpe2 .*" "fpe2"

gdb_test "info reg fpe3" ".*fpe3 .*" "fpe3"

#DTS CLLbs16708

#info reg should recognize fpe4..fpe7.

setup_xfail hppa64-hp-hpux* CLLbs16708

gdb_test "info reg fpe4" ".*fpe4 .*" "fpe4"

setup_xfail hppa64-hp-hpux* CLLbs16708

gdb_test "info reg fpe5" ".*fpe5 .*" "fpe5"

setup_xfail hppa64-hp-hpux* CLLbs16708

gdb_test "info reg fpe6" ".*fpe6 .*" "fpe6"

setup_xfail hppa64-hp-hpux* CLLbs16708

gdb_test "info reg fpe7" ".*fpe7 .*" "fpe7"

gdb_test "info reg fr4"  ".*fr4.*(double precision).* 1.*"

gdb_test "info reg fr5"  ".*fr5.*(double precision).* 2.*"

gdb_test "info reg fr6"  ".*fr6.*(double precision).* 2.*"

gdb_test "info reg fr7"  ".*fr7.*(double precision).* 4.*"

gdb_test "info reg fr8"  ".*fr8.*(double precision).* 8.*"

gdb_test "info reg fr9"  ".*fr9.*(double precision).* 32.*"

gdb_test "info reg fr10" ".*fr10.*(double precision).* 256.*"

gdb_test "info reg r19" "r19 deadbeefbadcadee"

# Need to add test of use of $

#

# Q: How do you say a literal "$" in expect?

# A: You say "\$".   A literal "\" is "\\".

#

# Please note that this test will fail as long as we are running

# in 32-bit mode: it will produce "$1 = 0xbadcadee".  To fix it

# would require building a real 64-bit gdb (expression evaluation,

# in particular).

#

send_gdb "p/x \$r19\n"

gdb_expect {

    -re ".*= 0xdeadbeefbadcadee.*$gdb_prompt $" {

        pass "64-bit works"

    }

    -re ".*= 0xbadcadee.*$gdb_prompt $" {

        pass "32-bit extract when using PRINT; expected but not good"

    }

    -re ".*$gdb_prompt $" {

        fail "didn't print any part of right value"

    }

    timeout {

        fail "timeout on print"

    }

}

# Need to add tests of setting wide regs too.  E.g.

#

# set $r4 = 0x1234567890123456

# p/x $r4

#

# done

#

gdb_exit

return 0