| # Copyright 2007-2021 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 ARM iWMMXt register setting and fetching. |
| |
| if ![istarget "arm*-*-*"] then { |
| verbose "Skipping iWMMXt register tests." |
| return |
| } |
| |
| set testfile "iwmmxt-regs" |
| set binfile ${objdir}/${subdir}/${testfile} |
| set src1 ${srcdir}/${subdir}/${testfile}.c |
| |
| # Try to compile the test case. If we can't, assume this is not an |
| # iWMMXt toolchain and bail out. |
| if { [gdb_compile ${src1} ${binfile} executable {quiet debug}] != "" } { |
| verbose "Skipping iWMMXt register tests." |
| return |
| } |
| |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_load ${binfile} |
| |
| # |
| # Run to `main' where we begin our tests. |
| # |
| |
| if ![runto_main] then { |
| return 0 |
| } |
| |
| # Set all the registers to arbitrary values. |
| for {set i 0} {$i < 16} {incr i 1} { |
| gdb_test "set \$wR$i.u64 = ((${i}LL << 32) | ${i})" "" "set reg wR$i" |
| } |
| gdb_test "set \$wCSSF = 300" "" "set reg wCSSF" |
| gdb_test "set \$wCASF = 200" "" "set reg wCASF" |
| for {set i 0} {$i < 4} {incr i 1} { |
| gdb_test "set \$wCGR$i = 100 + $i" "" "set reg wCGR$i" |
| } |
| |
| # See if the sets stuck. |
| gdb_test "next" ".*write_regs.*" "next over read_regs" |
| |
| for {set i 0} {$i < 16} {incr i 1} { |
| gdb_test "p \$wR$i.u64 == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test reg wR$i" |
| } |
| # Don't test wCSSF. |
| gdb_test "p \$wCASF" "\\\$$decimal = 200" "test reg wCASF" |
| for {set i 0} {$i < 4} {incr i 1} { |
| gdb_test "p \$wCGR$i == 100 + $i" "\\\$$decimal = 1" "test reg wCGR$i" |
| } |
| |
| # Also verify the copies read by the target. |
| for {set i 0} {$i < 16} {incr i 1} { |
| gdb_test "p regs\[$i\] == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test stored wR$i" |
| } |
| # Don't test wcssf. |
| gdb_test "p control_regs\[1\]" "\\\$$decimal = 200" "test stored wCASF" |
| for {set i 0} {$i < 4} {incr i 1} { |
| gdb_test "p control_regs\[$i + 2\] == 100 + $i" "\\\$$decimal = 1" "test stored wCGR$i" |
| } |