gdb/testsuite/gdb.arch/iwmmxt-regs.exp

   1 # Copyright 2007-2022 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
  19 if ![istarget "arm*-*-*"] then {
  20     verbose "Skipping iWMMXt register tests."
  21     return
  22 }
  23
  24 set testfile "iwmmxt-regs"
  25 set binfile ${objdir}/${subdir}/${testfile}
  26 set 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.
  30 if { [gdb_compile ${src1} ${binfile} executable {quiet debug}] != "" } {
  31     verbose "Skipping iWMMXt register tests."
  32     return
  33 }
  34
  35 gdb_start
  36 gdb_reinitialize_dir $srcdir/$subdir
  37 gdb_load ${binfile}
  38
  39 #
  40 # Run to `main' where we begin our tests.
  41 #
  42
  43 if ![runto_main] then {
  44     fail "can't run to main"
  45     return 0
  46 }
  47
  48 # Set all the registers to arbitrary values.
  49 for {set i 0} {$i < 16} {incr i 1} {
  50     gdb_test "set \$wR$i.u64 = ((${i}LL << 32) | ${i})" "" "set reg wR$i"
  51 }
  52 gdb_test "set \$wCSSF = 300" "" "set reg wCSSF"
  53 gdb_test "set \$wCASF = 200" "" "set reg wCASF"
  54 for {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.
  59 gdb_test "next" ".*write_regs.*" "next over read_regs"
  60
  61 for {set i 0} {$i < 16} {incr i 1} {
  62     gdb_test "p \$wR$i.u64 == ((${i}LL << 32) | ${i})" "\\\$$decimal = 1" "test reg wR$i"
  63 }
  64 # Don't test wCSSF.
  65 gdb_test "p \$wCASF" "\\\$$decimal = 200" "test reg wCASF"
  66 for {set i 0} {$i < 4} {incr i 1} {
  67     gdb_test "p \$wCGR$i == 100 + $i" "\\\$$decimal = 1" "test reg wCGR$i"
  68 }
  69
  70 # Also verify the copies read by the target.
  71 for {set i 0} {$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.
  75 gdb_test "p control_regs\[1\]" "\\\$$decimal = 200" "test stored wCASF"
  76 for {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 }