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# Copyright (C) 2008, 2009, 2010 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/>.
#
# Tests for Powerpc AltiVec register setting and fetching
if $tracelevel then {
strace $tracelevel
}
#
# Test the use of VSX registers, for Powerpc.
#
if {![istarget "powerpc*"] || [skip_vsx_tests]} then {
verbose "Skipping vsx register tests."
return
}
set testfile "vsx-regs"
set binfile ${objdir}/${subdir}/${testfile}
set srcfile ${testfile}.c
set compile_flags {debug nowarnings quiet}
if [get_compiler_info $binfile] {
warning "get_compiler failed"
return -1
}
if [test_compiler_info gcc*] {
set compile_flags "$compile_flags additional_flags=-maltivec additional_flags=-mabi=altivec"
} elseif [test_compiler_info xlc*] {
set compile_flags "$compile_flags additional_flags=-qaltivec"
} else {
warning "unknown compiler"
return -1
}
if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } {
untested vsx-regs.exp
return -1
}
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# Run to `main' where we begin our tests.
if ![runto_main] then {
gdb_suppress_tests
}
# Data sets used throughout the test
set vector_register1 ".uint128 = 0x3ff4cccccccccccc0000000000000000, v4_float = .0x1, 0xf99999a0, 0x0, 0x0., v4_int32 = .0x3ff4cccc, 0xcccccccc, 0x0, 0x0., v8_int16 = .0x3ff4, 0xcccc, 0xcccc, 0xcccc, 0x0, 0x0, 0x0, 0x0., v16_int8 = .0x3f, 0xf4, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0.."
set vector_register2 "uint128 = 0xdeadbeefdeadbeefdeadbeefdeadbeef, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0xdeadbeef, 0xdeadbeef, 0xdeadbeef, 0xdeadbeef., v8_int16 = .0xdead, 0xbeef, 0xdead, 0xbeef, 0xdead, 0xbeef, 0xdead, 0xbeef., v16_int8 = .0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef.."
set vector_register3 ".uint128 = 0x00000001000000010000000100000001, v4_float = .0x0, 0x0, 0x0, 0x0., v4_int32 = .0x1, 0x1, 0x1, 0x1., v8_int16 = .0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1., v16_int8 = .0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1.."
set float_register ".raw 0xdeadbeefdeadbeef."
# First run the F0~F31/VS0~VS31 tests
# 1: Set F0~F31 registers and check if it reflects on VS0~VS31.
for {set i 0} {$i < 32} {incr i 1} {
send_gdb "set \$f$i = 1\.3"
}
for {set i 0} {$i < 32} {incr i 1} {
gdb_test "info reg vs$i" "vs$i.*$vector_register1" "info reg vs$i (doubleword 0)"
}
# 2: Set VS0~VS31 registers and check if it reflects on F0~F31.
for {set i 0} {$i < 32} {incr i 1} {
for {set j 0} {$j < 4} {incr j 1} {
send_gdb "set \$vs$i.v4_int32\[$j\] = 0xdeadbeef"
}
}
for {set i 0} {$i < 32} {incr i 1} {
gdb_test "info reg f$i" "f$i.*$float_register" "info reg f$i"
}
for {set i 0} {$i < 32} {incr i 1} {
gdb_test "info reg vs$i" "vs$i.*$vector_register2" "info reg vs$i (doubleword 1)"
}
# Now run the VR0~VR31/VS32~VS63 tests
# 1: Set VR0~VR31 registers and check if it reflects on VS32~VS63.
for {set i 0} {$i < 32} {incr i 1} {
for {set j 0} {$j < 4} {incr j 1} {
send_gdb "set \$vr$i.v4_int32\[$j\] = 1"
}
}
for {set i 32} {$i < 64} {incr i 1} {
gdb_test "info reg vs$i" "vs$i.*$vector_register3" "info reg vs$i"
}
# 2: Set VS32~VS63 registers and check if it reflects on VR0~VR31.
for {set i 32} {$i < 64} {incr i 1} {
for {set j 0} {$j < 4} {incr j 1} {
send_gdb "set \$vs$i.v4_int32\[$j\] = 1"
}
}
for {set i 0} {$i < 32} {incr i 1} {
gdb_test "info reg vr$i" "vr$i.*$vector_register3" "info reg vr$i"
}
set escapedfilename [string_to_regexp ${objdir}/${subdir}/vsx-core.test]
set core_supported 0
gdb_test_multiple "gcore ${objdir}/${subdir}/vsx-core.test" \
"Save a VSX-enabled corefile" \
{
-re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
pass "Save a VSX-enabled corefile"
global core_supported
set core_supported 1
}
-re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
unsupported "Save a VSX-enabled corefile"
global core_supported
set core_supported 0
}
}
if {!$core_supported} {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test_multiple "core ${objdir}/${subdir}/vsx-core.test" \
"re-load generated corefile" \
{
-re ".* is not a core dump:.*$gdb_prompt $" {
fail "re-load generated corefile (bad file format)"
# No use proceeding from here.
return;
}
-re ".*: No such file or directory.*$gdb_prompt $" {
fail "re-load generated corefile (file not found)"
# No use proceeding from here.
return;
}
-re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
fail "re-load generated corefile (incomplete note section)"
}
-re "Core was generated by .*$gdb_prompt $" {
pass "re-load generated corefile"
}
-re ".*$gdb_prompt $" {
fail "re-load generated corefile"
}
timeout {
fail "re-load generated corefile (timeout)"
}
}
for {set i 0} {$i < 32} {incr i 1} {
gdb_test "info reg vs$i" "vs$i.*$vector_register2" "Restore vs$i from core file"
}
for {set i 32} {$i < 64} {incr i 1} {
gdb_test "info reg vs$i" "vs$i.*$vector_register3" "Restore vs$i from core file"
}
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