1# Copyright 2007-2019 Free Software Foundation, Inc. 2# 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15# 16 17# Tests for ARM iWMMXt register setting and fetching. 18 19if ![istarget "arm*-*-*"] then { 20 verbose "Skipping iWMMXt register tests." 21 return 22} 23 24set testfile "iwmmxt-regs" 25set binfile ${objdir}/${subdir}/${testfile} 26set src1 ${srcdir}/${subdir}/${testfile}.c 27 28# Try to compile the test case. If we can't, assume this is not an 29# iWMMXt toolchain and bail out. 30if { [gdb_compile ${src1} ${binfile} executable {quiet debug}] != "" } { 31 verbose "Skipping iWMMXt register tests." 32 return 33} 34 35gdb_start 36gdb_reinitialize_dir $srcdir/$subdir 37gdb_load ${binfile} 38 39# 40# Run to `main' where we begin our tests. 41# 42 43if ![runto_main] then { 44 fail "can't run to main" 45 return 0 46} 47 48# Set all the registers to arbitrary values. 49for {set i 0} {$i < 16} {incr i 1} { 50 gdb_test "set \$wR$i.u64 = ((${i}LL << 32) | ${i})" "" "set reg wR$i" 51} 52gdb_test "set \$wCSSF = 300" "" "set reg wCSSF" 53gdb_test "set \$wCASF = 200" "" "set reg wCASF" 54for {set i 0} {$i < 4} {incr i 1} { 55 gdb_test "set \$wCGR$i = 100 + $i" "" "set reg wCGR$i" 56} 57 58# See if the sets stuck. 59gdb_test "next" ".*write_regs.*" "next over read_regs" 60 61for {set i 0} {$i < 16} {incr i 1} { 62 gdb_test "p \$wR$i.u64 == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test reg wR$i" 63} 64# Don't test wCSSF. 65gdb_test "p \$wCASF" "\\\$$decimal = 200" "test reg wCASF" 66for {set i 0} {$i < 4} {incr i 1} { 67 gdb_test "p \$wCGR$i == 100 + $i" "\\\$$decimal = 1" "test reg wCGR$i" 68} 69 70# Also verify the copies read by the target. 71for {set i 0} {$i < 16} {incr i 1} { 72 gdb_test "p regs\[$i\] == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test stored wR$i" 73} 74# Don't test wcssf. 75gdb_test "p control_regs\[1\]" "\\\$$decimal = 200" "test stored wCASF" 76for {set i 0} {$i < 4} {incr i 1} { 77 gdb_test "p control_regs\[$i + 2\] == 100 + $i" "\\\$$decimal = 1" "test stored wCGR$i" 78} 79