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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.xml/] [tdesc-regs.exp] - Rev 157

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# Copyright 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 <http://www.gnu.org/licenses/>.

if {[gdb_skip_xml_test]} {
    unsupported "tdesc-regs.exp"
    return -1
}

gdb_start

# To test adding registers, we need a core set of registers for this
# architecture, or the description will be rejected.

set core-regs ""
set regdir ""
switch -glob -- [istarget] {
    "*arm-*-*" {
        set core-regs {arm-core.xml}
    }
    "xscale-*-*" {
        set core-regs {arm-core.xml}
    }
    "mips*-*-*" {
        set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml}
    }
    "powerpc*-*-*" {
        set regdir "rs6000/"
        set core-regs {power-core.xml}
    }
}

# If no core registers were specified, assume this target does not
# support target-defined registers.  Verify that we get a warning if
# we try to use them.  This not only tests the warning, but also
# reminds maintainers to add test support when they add the feature.
if {[string equal ${core-regs} ""]} {
    gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
        "warning: Target-supplied registers are not supported.*" \
        "set tdesc file single-reg.xml"
    unsupported "register tests"
    return 0
}

# Otherwise, we support both XML and target defined registers.

# Make sure we reject a description missing standard registers,
# like the PC.
gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
    "warning: Architecture rejected target-supplied description" \
    "set tdesc file single-reg.xml"

# Copy the core registers into the objdir if necessary, so that they
# will be found by <xi:include>.
foreach src ${core-regs} {
    file delete "$src"
    file copy "$srcdir/../features/$regdir$src" "$src"
}

# Similarly, we need to copy files under test into the objdir.
proc load_description { file errmsg } {
    global srcdir
    global subdir
    global gdb_prompt
    global core-regs

    file delete "regs.xml"
    set ifd [open "$srcdir/$subdir/$file" r]
    set ofd [open "regs.xml" w]
    while {[gets $ifd line] >= 0} {
        if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
            foreach src ${core-regs} {
                puts $ofd "  <xi:include href=\"$src\"/>"
            }
        } else {
            puts $ofd $line
        }
    }
    close $ifd
    close $ofd

    # Anchor the test output, so that error messages are detected.
    set cmd "set tdesc filename regs.xml"
    set msg "set tdesc filename $file"
    set cmd_regex [string_to_regexp $cmd]
    gdb_test_multiple $cmd $msg {
        -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
            pass $msg
        }
    }
}

load_description "extra-regs.xml" ""
gdb_test "ptype \$extrareg" "type = (int|long|long long)"
gdb_test "ptype \$uintreg" "type = uint32_t"
gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"
gdb_test "ptype \$unionreg" \
    "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"

load_description "core-only.xml" ""
# The extra register from the previous description should be gone.
gdb_test "ptype \$extrareg" "type = void"

foreach src ${core-regs} {
    file delete "$src"
}
file delete "regs.xml"

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