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# Copyright 2007-2016 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 ""
set architecture ""
switch -glob -- [istarget] {
"aarch64*-*-*" {
set core-regs {aarch64-core.xml}
}
"arm*-*-*" {
set core-regs {arm-core.xml}
}
"*m68k-*-*" {
set core-regs {m68k-core.xml}
}
"mips*-*-*" {
set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml mips-dsp.xml}
}
"nios2-*-*" {
set core-regs {nios2-cpu.xml}
}
"powerpc*-*-*" {
set regdir "rs6000/"
set core-regs {power-core.xml}
}
"s390*-*-*" {
set core-regs {s390-core32.xml s390-acr.xml s390-fpr.xml}
}
"spu*-*-*" {
# This may be either the spu-linux-nat target, or the Cell/B.E.
# multi-architecture debugger in SPU standalone executable mode.
# We do not support XML register sets on SPU in either case.
# However, the multi-arch debugger will accept XML registers sets
# (on the PowerPC side), hence the test below would fail.
# Simply return unconditionally here.
unsupported "register tests"
return 0
}
"tic6x-*-*" {
set core-regs {tic6x-core.xml}
}
"i?86-*-*" {
set architecture "i386"
set regdir "i386/"
set core-regs {32bit-core.xml 32bit-sse.xml}
}
"x86_64-*-*" {
set architecture "i386:x86-64"
set regdir "i386/"
set core-regs {64bit-core.xml 64bit-sse.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.
set single_reg_xml [gdb_remote_download host \
"$srcdir/$subdir/single-reg.xml"]
if {[string equal ${core-regs} ""]} {
gdb_test "set tdesc file $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 $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 ${core-regs} {
set remote_filename($src) \
[gdb_remote_download host "$srcdir/../features/$regdir$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
global architecture
global remote_filename
set regs_file [standard_output_file regs.xml]
file delete $regs_file
set ifd [open "$srcdir/$subdir/$file" r]
set ofd [open $regs_file w]
while {[gets $ifd line] >= 0} {
if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
if {! [string equal ${architecture} ""]} {
puts $ofd " <architecture>${architecture}</architecture>"
}
foreach src ${core-regs} {
puts $ofd " <xi:include href=\"$src\"/>"
}
} else {
puts $ofd $line
}
}
close $ifd
close $ofd
if {[is_remote host]} {
set regs_file [remote_download host "$subdir/regs.xml" "regs.xml"]
}
# Anchor the test output, so that error messages are detected.
set cmd "set tdesc filename [file tail $regs_file]"
set msg "set tdesc filename regs.xml - from $file"
set cmd_regex [string_to_regexp $cmd]
gdb_test_multiple $cmd $msg {
-re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
pass $msg
}
}
if {[is_remote host]} {
remote_file host delete "regs.xml"
}
}
if {![is_remote host]} {
gdb_test "cd [standard_output_file {}]" "Working directory .*" \
"cd to directory holding xml"
}
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 __attribute__ \\(\\(vector_size\\(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 __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
gdb_test "ptype \$structreg" \
"type = struct struct1 {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
gdb_test "ptype \$structreg.v4" "type = int8_t __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
gdb_test "ptype \$bitfields" \
"type = struct struct2 {\r\n *uint64_t f1 : 35;\r\n *uint64_t f2 : 1;\r\n}"
load_description "core-only.xml" ""
# The extra register from the previous description should be gone.
gdb_test "ptype \$extrareg" "type = void"
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